Journal Description
BioMed
BioMed
is an international, peer-reviewed, open access journal on the broad field of subjects in human life science and medicine published quarterly online by MDPI.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 27.3 days after submission; acceptance to publication is undertaken in 4.5 days (median values for papers published in this journal in the first half of 2026).
- Recognition of Reviewers: APC discount vouchers, optional signed peer review, and reviewer names published annually in the journal.
- BioMed is a companion journal of Biomedicines.
subject
Imprint Information
Open Access
ISSN: 2673-8430
Latest Articles
Management of Severe Pediatric Asthma Exacerbations with Intravenous Magnesium Sulfate: A Real-World, Single-Center Experience
BioMed 2026, 6(3), 18; https://doi.org/10.3390/biomed6030018 - 23 Aug 2026
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Background: This study described real-world patterns of intravenous magnesium sulfate (MgSO4) use among children hospitalized with asthma exacerbations, including how MgSO4 use related to markers of exacerbation severity and to hospital length of stay (LOS). Because treatment was not
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Background: This study described real-world patterns of intravenous magnesium sulfate (MgSO4) use among children hospitalized with asthma exacerbations, including how MgSO4 use related to markers of exacerbation severity and to hospital length of stay (LOS). Because treatment was not randomized, this design cannot isolate a causal effect of MgSO4 on LOS; groups defined by MgSO4 receipt differ systematically in baseline severity, and any LOS comparison must be interpreted as descriptive rather than causal. Methods: A retrospective cohort study was conducted on 423 pediatric patients admitted to King Abdullah Specialist Children’s Hospital, Riyadh, Saudi Arabia, between January 2021 and December 2025. Patients were categorized according to whether they received intravenous MgSO4 during hospitalization. Demographic characteristics, clinical features, treatment variables, and outcomes were analyzed. Results: The median age was 4 years, with 63.8% of patients aged ≤ 5 years, and 60.8% were male. Common clinical findings included suprasternal indrawing (57%), scalene retractions (43.7%), and wheezing (91.5%). Decreased air entry was observed in 48.2% of patients, and 64.3% required oxygen support. Of the study population, 175 patients (41.4%) received intravenous MgSO4. Administration of MgSO4 was significantly more frequent among younger patients, males, patients with respiratory distress, decreased air entry, oxygen requirement, and lower oxygen saturation levels (all p < 0.05). Patients receiving MgSO4 had a significantly longer median LOS compared with those who did not receive MgSO4 (50.57 vs. 32.30 h, p < 0.001). Conclusions: Intravenous MgSO4 administration was more commonly used among children with more severe asthma exacerbations and was accompanied by longer hospital LOS in this unmatched, non-randomized cohort. Because MgSO4 receipt and LOS are both driven by underlying severity that was only partly captured by the available covariates, this design cannot distinguish a causal effect of MgSO4 on LOS from confounding by indication, and the findings should be read as a descriptive account of real-world MgSO4 use in severe pediatric asthma rather than as evidence for or against an effect of MgSO4 on LOS.
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Open AccessArticle
Stability of Injectable Ceftobiprole Medocaril (Zevtera®) in PVC Bags and in the Intermate® Infusion System: A Technological Turning Point for Ambulatory Administration of Intravenous Antibiotics
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Alexandra Porlier, Sylvie Pilote, Benoit Drolet, Isabelle Cloutier, Audrey Vachon and Chantale Simard
BioMed 2026, 6(3), 17; https://doi.org/10.3390/biomed6030017 - 12 Aug 2026
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Background: Ceftobiprole medocaril (Zevtera®) is an injectable broad-spectrum antibiotic. Objective: We aim to show that ceftobiprole initiated in hospital may be continued at home through Outpatient Parenteral Antibiotic Therapy (OPAT). Methods: Solutions of ceftobiprole at 2.0 and 2.8 mg/mL were prepared
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Background: Ceftobiprole medocaril (Zevtera®) is an injectable broad-spectrum antibiotic. Objective: We aim to show that ceftobiprole initiated in hospital may be continued at home through Outpatient Parenteral Antibiotic Therapy (OPAT). Methods: Solutions of ceftobiprole at 2.0 and 2.8 mg/mL were prepared in PVC bags from 500 mg vials and stored at room temperature (RT) or 4 °C. Each sample was analyzed in triplicate samples using high-performance liquid chromatography (HPLC) at multiple time points over a 120 h period. Additionally, 2.5 mg/mL ceftobiprole solutions were prepared in Intermate® infusion devices (n = 3 preparations) and stored at 4 °C. Samples were collected on multiple days from Day 0 to Day 9, both immediately post-refrigeration and after 8 h at RT and analyzed in triplicate. Results: PVC bag solutions retained ≥90% of their initial concentrations. At RT, residual concentration was 90.9% (2.0 mg/mL) and 92.0% (2.8 mg/mL) after 24 h. At 4 °C, the 2.0 mg/mL formulation retained 90.8% after 120 h, and the 2.8 mg/mL formulation retained 90.2% after 96 h. Intermate® devices stored nine days at 4 °C and exposed to RT for 8 h retained ≥90% of the initial concentration of ceftobiprole (2.5 mg/mL; 93.3% before RT exposure; 91.1% after). Conclusions: Ceftobiprole medocaril exhibits sufficient physicochemical stability for OPAT use in PVC bags and Intermate® infusion device under tested conditions.
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Open AccessReview
Ocular Involvement in Systemic Infections: An Overview of Clinical Manifestations
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Theofilos Kanavos and Effrosyni Birbas
BioMed 2026, 6(3), 16; https://doi.org/10.3390/biomed6030016 - 17 Jul 2026
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Infectious diseases constitute a major public health concern and a leading cause of morbidity and mortality worldwide. The eye, by virtue of its rich vascularity and unique immunological microenvironment, is susceptible to involvement by a broad spectrum of bacterial, viral, fungal, and parasitic
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Infectious diseases constitute a major public health concern and a leading cause of morbidity and mortality worldwide. The eye, by virtue of its rich vascularity and unique immunological microenvironment, is susceptible to involvement by a broad spectrum of bacterial, viral, fungal, and parasitic systemic infections, which may lead to diverse ocular and visual manifestations through direct pathogen invasion, immune-mediated mechanisms, or complications of therapy. Notable systemic infections with potential ocular involvement include tuberculosis; the spirochetal illnesses syphilis, Lyme disease, and leptospirosis; brucellosis; cat-scratch disease; leprosy; infective endocarditis; human immunodeficiency virus, cytomegalovirus, West Nile virus, and adenovirus infections; rubeola; dengue fever; candidiasis; cryptococcosis; aspergillosis; mucormycosis; toxoplasmosis; malaria; onchocerciasis; and cysticercosis. Ocular manifestations can serve as early diagnostic clues to underlying systemic infections, whereas, conversely, systemic features can help interpret ocular findings. Effective investigation and management of systemic infections benefit from a multidisciplinary approach, in which ophthalmologists can contribute substantially and help optimize both visual and overall health outcomes.
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Open AccessArticle
Identification of Parkinson’s Disease from Native Italian People: Machine Learning Voice Analysis
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Mohammad Amran Hossain, Enea Traini and Francesco Amenta
BioMed 2026, 6(3), 15; https://doi.org/10.3390/biomed6030015 - 29 Jun 2026
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Background: Parkinson’s Disease (PD) is a neurodegenerative disorder frequently accompanied by speech impairments, which could serve as non-invasive biomarkers for early detection. This study investigates the efficacy of machine learning models trained on voice and speech acoustic features for distinguishing PD patients from
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Background: Parkinson’s Disease (PD) is a neurodegenerative disorder frequently accompanied by speech impairments, which could serve as non-invasive biomarkers for early detection. This study investigates the efficacy of machine learning models trained on voice and speech acoustic features for distinguishing PD patients from healthy controls (HC) using the publicly available Italian Parkinson’s Voice and Speech (IPVS) dataset. Methods: A comprehensive set of acoustic features was extracted, including perturbation, prosodic and temporal features, Mel-Frequency Cepstral Coefficients (MFCCs), and Gammatone Cepstral Coefficients (GTCCs). These features were evaluated individually and in combination using six supervised classifiers: Support Vector Machine (SVM), Decision Tree (DT), Random Forest (RF), K-Nearest Neighbors (KNN), XGBoost (XGB), and Multi-Layer Perceptron (MLP). Results: The best-performing configuration combination of GTCC and acoustic features with the SVM model achieved 94.68% accuracy, 94.37% sensitivity, 95.04% specificity, 95.71% precision, 96.04% F1-score, an MCC value of 0.89, and an ROC-AUC of 0.98. In the combination of all feature sets, the most impressive performance was observed with the MLP classifier. This achieved 93.08% test accuracy, 94.30% sensitivity, 91.18% specificity, 94.30% precision, 94.30 F1-score, an ROC-AUC of 0.97, and an MCC value of 0.85. Conclusions: The findings demonstrate that combining clinically relevant acoustic features with robust machine learning classifiers offers a reliable, interpretable, and computationally efficient solution for PD detection. The use of a publicly available dataset, open-source tools, and subject-wise validation contributes to the reproducibility and clinical relevance of the proposed approach. This study reinforces the potential of speech as a digital biomarker for early PD detection and supports the integration of voice-based assessments into diagnostic platforms.
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Open AccessArticle
Oral Health-Related Quality of Life and Maxillary Function in Wind Instrument Musicians: A Cross-Sectional Survey
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António Pereira Costa and José Frias-Bulhosa
BioMed 2026, 6(2), 14; https://doi.org/10.3390/biomed6020014 - 12 Jun 2026
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Background/Objectives: The performance of musical wind instruments imposes significant neuromuscular and biomechanical demands on the stomatognathic system. Depending on the mouthpiece type, wind instruments are divided into four classes, which may have distinct impacts on the instrumentalists’ quality of life. This study aimed
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Background/Objectives: The performance of musical wind instruments imposes significant neuromuscular and biomechanical demands on the stomatognathic system. Depending on the mouthpiece type, wind instruments are divided into four classes, which may have distinct impacts on the instrumentalists’ quality of life. This study aimed to evaluate musicians’ self-perception regarding the impact caused by wind instruments practice on oral health-related quality of life (OHRQoL), jaw functional limitations, and chronic pain. Methods: A cross-sectional observational study was conducted among 71 wind instrumentalists (52% female; mean age 24.16 years; mean practice history of 12.8 years) using the Oral Health Impact Profile-14 (OHIP-14), the Jaw Functional Limitation Scale (JFLS), and the Graded Chronic Pain Scale (GCPS). Data were analyzed using the Statistical Package for the Social Sciences (SPSS), with statistical significance set at p < 0.05. Results: Musicians in Class 1 (clarinet/saxophone) and Class 4 (transverse flute) reported the worst OHRQoL and chronic pain scores. Orofacial pain in the jaw, temple, or ear was reported by 66% of the participants. Joint sounds (36%) and closed jaw locking (26%) showed a significant association with female gender; however, this relationship is highly confounded by the strong female clustering in Class 4 (85%) and Class 1 (63%). Behavioral and practice habits significantly influenced outcomes: higher daily study duration (mean 170.31 min), the absence of relaxation exercises, and a willingness to endure physical discomfort for technical progress (73.2%) were significantly associated with lower quality of life and greater functional limitations (mastication and mobility). Performance anxiety, warm-up exercises, and practice intensity peaks showed no significant relationships with OHRQoL. Conclusions: Wind instrument practice severely impacts jaw function and musicians’ well-being. These findings underscore the need for interdisciplinary preventive interventions, including targeted ergonomic training, structured rest protocols, and jaw relaxation exercises, alongside oral public health initiatives that recognize wind musicians as an occupationally vulnerable group.
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Open AccessCorrection
Correction: Betschart et al. Comprehensive Analysis of the Genetic Variation in the LPA Gene from Short-Read Sequencing. BioMed 2024, 4, 156–170
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Raphael O. Betschart, Georgios Koliopanos, Paras Garg, Linlin Guo, Massimiliano Rossi, Sebastian Schönherr, Stefan Blankenberg, Raphael Twerenbold, Tanja Zeller and Andreas Ziegler
BioMed 2026, 6(2), 13; https://doi.org/10.3390/biomed6020013 - 29 May 2026
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Missing Citation [...]
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Open AccessReview
Diagnostic Challenges in Nodal T-Follicular Helper (TFH) Cell Lymphoma
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Neha Seth, Phyu Thin Naing and Pratik Q. Deb
BioMed 2026, 6(2), 12; https://doi.org/10.3390/biomed6020012 - 2 May 2026
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Nodal T-follicular helper cell lymphomas comprise a biologically similar but morphologically diverse family of T-cell neoplasms, including angioimmunoblastic T-cell lymphoma, nodal T-follicular helper cell lymphoma, follicular-type, and nodal TFH lymphoma, not otherwise specified. Despite recurrent molecular alterations involving RHOA, IDH2, TET2
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Nodal T-follicular helper cell lymphomas comprise a biologically similar but morphologically diverse family of T-cell neoplasms, including angioimmunoblastic T-cell lymphoma, nodal T-follicular helper cell lymphoma, follicular-type, and nodal TFH lymphoma, not otherwise specified. Despite recurrent molecular alterations involving RHOA, IDH2, TET2, and DNMT3A, the diagnosis of TFH lymphomas remains challenging because of their mimicry of other lymphoid neoplasms and reactive lymphadenopathy. A key pitfall is confusion with classical Hodgkin lymphoma, as admixed Epstein–Barr virus-positive large B-cells with Reed–Sternberg cell-like morphology and immunophenotype can be found in TFH lymphomas. Similarly, follicular-type TFH lymphoma is often misclassified as follicular B-cell lymphoma unless T-cell lineage is investigated by immunophenotyping and the absence of BCL2 or BCL6 rearrangement is established. The ‘not otherwise specified’ category should be reserved for cases with proven T-follicular helper immunophenotype but lacks definitive angioimmunoblastic or follicular architecture. Comparing current frameworks, 5th edition of the World Health Organization classification permits rare CD4/CD8 double negative cases, while International Consensus Classification requires CD4 positivity. Some of these distinctions may appear taxonomic as all T-follicular helper T-cell lymphoma subtypes share molecular alterations, prognosis, and treatment approach. However, these classifications are meaningful from the perspective of a histopathologic diagnosis as a wrong diagnosis may lead to ineffective treatment approach. Accurate recognition of these lymphomas prevents misclassification, avoids inappropriate regimens, and ensures eligibility for proper clinical trials. A structured approach integrating morphology, multiparameter immunohistochemistry, flow cytometry, and molecular testing provides the best safeguard against diagnostic pitfalls and refines classification across subtypes.
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Open AccessSystematic Review
Injectable Lipid-Lowering Therapies in Chronic Kidney Disease: Efficacy, Outcomes, Safety and Implementation—A Systematic Review
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Joshua Louis Davies, Yimeng Zhang, Inuri Patabendi, Sudarshan Ramachandran and Jyoti Baharani
BioMed 2026, 6(2), 11; https://doi.org/10.3390/biomed6020011 - 12 Apr 2026
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Background/Objectives: Cardiovasc{Citation}ular disease accounts for 50% of chronic kidney disease (CKD) mortality, yet fewer than 40% of patients achieve guideline LDL-cholesterol (LDL-C) targets on statins. Injectable lipid-lowering therapies (ILLTs)—PCSK9 inhibitors and inclisiran—offer 50–70% LDL-C reductions but lack comprehensive CKD-specific evidence synthesis. This
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Background/Objectives: Cardiovasc{Citation}ular disease accounts for 50% of chronic kidney disease (CKD) mortality, yet fewer than 40% of patients achieve guideline LDL-cholesterol (LDL-C) targets on statins. Injectable lipid-lowering therapies (ILLTs)—PCSK9 inhibitors and inclisiran—offer 50–70% LDL-C reductions but lack comprehensive CKD-specific evidence synthesis. This systematic review evaluated ILLT efficacy, safety, and implementation across kidney function stages including dialysis. Methods: Following PROSPERO registration (CRD42024612594), we searched MEDLINE, Embase, Cochrane Library, CINAHL, and Google Scholar (1995–August 2025). Two reviewers independently screened studies using PICOS criteria: adults with CKD stages G3-G5, dialysis, or transplant recipients receiving injectable lipid therapies. Primary outcomes were LDL-C percentage change and major adverse cardiovascular events. Quality was assessed using NIH tools. Given heterogeneity, we performed narrative synthesis following SWiM guidance. Results: Eight studies (n = 28,013) met the criteria. The FOURIER trial demonstrated that evolocumab achieved 58–59% LDL-C reductions across kidney function strata (interaction p = 0.77) with preserved cardiovascular benefit (HR 0.82–0.89). Absolute risk reduction was greater in advanced CKD (2.5% vs. 1.7%), reflecting higher baseline rates. Pharmacokinetic studies showed no eGFR-exposure correlation requiring dose adjustment; evolocumab was not removed by haemodialysis. Inclisiran achieved a 67–80% PCSK9 reduction and a 35–58% LDL-C reduction across renal groups, with twice-yearly maintenance dosing. Both classes reduced non-HDL-C (45–50%), apoB (40–45%), and lipoprotein(a) (20–25%). Safety was favourable, with mild injection-site reactions (< 5%); no renal decline signals emerged. Conclusions: Evidence for injectable lipid-lowering therapies in CKD are driven largely by a single large post hoc subgroup analysis (FOURIER) and small phase 1–2 PK/PD studies, with minimal dialysis representation and no transplant data. These agents appear to provide substantial LDL-C reductions across CKD stages G3–G5 without dose adjustment, but cardiovascular and renal outcome data in advanced CKD and dialysis remain limited and should be interpreted cautiously.
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Open AccessArticle
Unified Amplicon-Based Whole-Genome Sequencing of Influenza, RSV, and SARS-CoV-2 from Routine Diagnostics: Performance and Clinically Relevant Variant Reporting
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Rezak Drali, Lionel Chollet, Emilie Deroubaix, Cecile Poggi, Amira Doudou, Laurent Deblir, Chalom Sayada and Sofiane Mohamed
BioMed 2026, 6(2), 10; https://doi.org/10.3390/biomed6020010 - 24 Mar 2026
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Background/Objectives: Influenza, RSV, and SARS-CoV-2 co-circulate and evolve under immune and therapeutic pressures, complicating decision-making for both vaccine formulation and antiviral use. Fragmented, pathogen-specific sequencing approaches limit cross-virus comparability. Methods: We applied a standardized, multiplexed, amplicon-based next-generation sequencing (NGS) workflow to
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Background/Objectives: Influenza, RSV, and SARS-CoV-2 co-circulate and evolve under immune and therapeutic pressures, complicating decision-making for both vaccine formulation and antiviral use. Fragmented, pathogen-specific sequencing approaches limit cross-virus comparability. Methods: We applied a standardized, multiplexed, amplicon-based next-generation sequencing (NGS) workflow to 34 diagnostic specimens (Ct < 35) positive for influenza A/B, RSV-A/B, or SARS-CoV-2. Sequencing libraries were generated and run on an Illumina MiSeq platform (2 × 250 bp). Although the wet-lab workflow is standardized across pathogens, consensus generation and annotation utilized two different analysis environments: Geneious Prime for influenza and MicrobioChek for RSV and SARS-CoV-2. Quality metrics included genome breadth and depth of coverage. Results: Near-complete genomes (mean coverage ≥98%) were recovered for all samples. Influenza A(H1N1)pdm09 sequences clustered in clade 6B.1A; A(H3N2) clustered in subclade 3C.2a1b.2a.2; and influenza B belonged to the Victoria lineage V1A.3a.2. RSV sequences were assigned to Nextclade clades A.D.5.1, A.D.1.10, A.D.2.1, and A.D.3 (RSV-A) and to B.D.4.1.3 and B.D.E.1 (RSV-B), consistent with the ON1 (RSV-A) and BA (RSV-B) genotypes prevalent in recent seasons. Clinically relevant mutations included changes in the influenza HA site and neuraminidase substitutions, RSV F-protein polymorphisms, and spike protein substitutions associated with recent Omicron sublineages (L455F/S, F456L) in SARS-CoV-2. Conclusions: A unified amplicon–NGS approach yields harmonized genomic data across respiratory viruses, enabling timely detection of antigenic drift and resistance markers while supporting integrated, cross-pathogen surveillance.
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Open AccessArticle
Platelet Preservation and Functionality in Blood Treated for Autotransfusion: A Comparative In Vitro Study on Human Blood and In Vivo Study Using a Massive Hemorrhage Swine Model
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Marine Schott, Estelle Leroux, Chloé Libaud, Audrey Lafragette, Mallorie Depond, Ophélie Dauphouy, Benoît Decouture, Aurélia Leroux, Stéphanie Boutroy-Perrin, Patricia Forest-Villegas, Olivier Gauthier and Gwenola Touzot-Jourde
BioMed 2026, 6(1), 9; https://doi.org/10.3390/biomed6010009 - 12 Mar 2026
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During hemorrhagic procedures, autotransfusion is one of the main strategies for patient blood management. While conventional cell savers only concentrate red blood cells due to the centrifugation method, the innovative same™ autotransfusion medical device (i-SEP, Nantes, France), based on a hollow-fiber filtration technology,
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During hemorrhagic procedures, autotransfusion is one of the main strategies for patient blood management. While conventional cell savers only concentrate red blood cells due to the centrifugation method, the innovative same™ autotransfusion medical device (i-SEP, Nantes, France), based on a hollow-fiber filtration technology, has the ability to preserve red blood cells along with the majority of platelets. Background/Objectives: The present study aimed at comparing the functionality of preserved platelets in the clot formation by using Quantra® and/or ROTEM® Point-Of-Care coagulation tests, after blood treatment for autotransfusion with either a standard centrifugation-based system (Xtra® device, LivaNova, London, UK), or the filtration-based same™ device. Methods: First, coagulation was assessed in an in vitro experiment, where human blood samples were used to obtain ten treated blood products by each autotransfusion device that were evaluated with or without supplementation of plasma poor or rich in platelets. Then, to confirm the potential clinical benefit of the platelet preservation in a surgical context, coagulation was studied in vivo using a massive surgical hemorrhagic model on eight minipigs per device. Samples were collected after reinfusion steps and during a 6 h post-operative follow-up. Results: Both in vitro and in vivo, the same™ device consistently retained more platelets compared to the Xtra® device. This enhanced preservation resulted in significantly stronger clot formation, likely due to higher platelet concentration and superior functional integrity. Conclusions: These findings highlight the potential clinical benefit of same™-recovered platelets for improving hemostasis during hemorrhagic surgery.
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Open AccessReview
The Role of Pulmonary Rehabilitation Programs in Patients with Lung Cancer: A Narrative Review
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Stiliani Andreadou, Angeliki Tanti, Foteini Gkiliri, Kriton Chatzikonstantinou, Eleni Vatista and Anna Christakou
BioMed 2026, 6(1), 8; https://doi.org/10.3390/biomed6010008 - 26 Feb 2026
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Background: Pulmonary rehabilitation (PR) is increasingly used across the lung-cancer care pathway, but the scope, effectiveness, and optimal delivery of programmes remain variably reported. Objective: To examine the effectiveness of PR in adults undergoing lung cancer surgery across preoperative perioperative, and post operating
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Background: Pulmonary rehabilitation (PR) is increasingly used across the lung-cancer care pathway, but the scope, effectiveness, and optimal delivery of programmes remain variably reported. Objective: To examine the effectiveness of PR in adults undergoing lung cancer surgery across preoperative perioperative, and post operating settings. Methods: We conducted a narrative synthesis of studies evaluating PR interventions in patients undergoing lung cancer resection. Eligible designs included randomised, non-randomised trials and observational studies published between 2021 and 2025. Interventions were classified by timing (preoperative, perioperative, postoperative) and by completeness of PR content. Full PR was defined as programmes including structured exercise training, at least one respiratory-specific component, and structured education and/or supportive interventions. Outcomes of interest included postoperative pulmonary complications (PPCs), length of stay (LOS), functional capacity, ventilatory function, symptoms and health-related quality of life (HRQoL). Results: Across perioperative phases, PR was feasible and safe, with consistent improvements in functional capacity and patient-reported outcomes. Preoperative PR reliably improved presurgical fitness with reductions in PPCs and LOS most evident in supervised and physiologically targeted programmes. Perioperative PR integrated within enhanced recovery pathways supported early mobilisation and respiratory recovery. Postoperative PR accelerated recovery of exercise capacity, respiratory symptoms, and HRQoL beyond expected natural recovery. Programmes classified as Full PR demonstrated more consistent and broader benefits across outcome domains compared with Partial PR. Substantial heterogeneity in intervention design and outcome measurement was observed. Conclusions: Pulmonary rehabilitation is an effective, multidimensional intervention across the surgical lung cancer continuum. Comprehensive, multimodal programmes appear to confer the greatest clinical benefit. Standardisation of PR content and outcome measurement is needed to strengthen evidence synthesis and guide implementation in perioperative lung cancer care.
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Open AccessReview
Fueling the Fire: How Glutamine Metabolism Sustains Leukemia Growth and Resistance
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Giovannino Silvestri
BioMed 2026, 6(1), 7; https://doi.org/10.3390/biomed6010007 - 4 Feb 2026
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Glutamine metabolism has emerged as one of the most critical bioenergetic and biosynthetic programs sustaining leukemic cell growth, survival, stemness and therapeutic resistance. In both acute and chronic leukemias, including acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL), malignant cells display a
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Glutamine metabolism has emerged as one of the most critical bioenergetic and biosynthetic programs sustaining leukemic cell growth, survival, stemness and therapeutic resistance. In both acute and chronic leukemias, including acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL), malignant cells display a strong dependency on extracellular glutamine to support mitochondrial respiration, anabolic biosynthesis and redox homeostasis. This dependency is reinforced by oncogenic signaling networks, post-transcriptional metabolic regulation and microenvironmental adaptation within the bone marrow niche. Therapeutic strategies targeting glutamine utilization, including glutaminase inhibition, transporter blockade and enzymatic glutamine depletion, have demonstrated robust antileukemic activity in preclinical models, and early clinical efforts have begun to explore glutamine-directed interventions in myeloid neoplasms. However, metabolic plasticity, microenvironment-derived nutrient buffering and systemic toxicity remain significant limitations to clinical translation. This review provides a detailed synthesis of the biochemical framework of glutamine metabolism in leukemia, the molecular mechanisms enforcing glutamine addiction, the downstream functional consequences on proliferation, redox balance and leukemic stem cell biology, the current landscape of therapeutic strategies and emerging directions aimed at overcoming resistance and improving clinical efficacy.
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Open AccessReview
Advanced Microwave Imaging Techniques for Early Detection of Breast Cancer: A Review and Future Perspectives
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Areej Safdar, Behnaz Sohani, Faiz Iqbal, Roohollah Barzamini, Amir Rahmani and Aliyu Aliyu
BioMed 2026, 6(1), 6; https://doi.org/10.3390/biomed6010006 - 3 Feb 2026
Cited by 1
Abstract
Breast cancer remains the most frequently diagnosed cancer in women worldwide, with outcomes strongly dependent on stage at detection. Conventional imaging modalities such as mammography, ultrasound and MRI are limited by reduced sensitivity in dense breasts, radiation exposure, high cost and restricted availability
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Breast cancer remains the most frequently diagnosed cancer in women worldwide, with outcomes strongly dependent on stage at detection. Conventional imaging modalities such as mammography, ultrasound and MRI are limited by reduced sensitivity in dense breasts, radiation exposure, high cost and restricted availability in low-resource settings. This review critically examines microwave imaging (MWI) as a non-invasive, radiation-free and an emerging resource-efficient breast imaging modality that exploits dielectric contrast between healthy and malignant breast tissues. We first summarise experimental and clinical evidence on breast dielectric properties and their implications for numerical phantoms and device design. We then review passive, active (tomographic and radar-based) and hybrid MWI systems, including key clinical prototypes such as SAFE, MammoWave, MARIA and Wavelia, and analyse associated image-reconstruction algorithms from classical inverse scattering to advanced beamforming, Huygens-based methods and AI based reconstruction. Finally, we discuss outstanding challenges—tissue heterogeneity, calibration, hardware constraints and computational complexity—and identify future directions including AI-assisted reconstruction, multimodal hybrid imaging and large-scale clinical validation needed to translate MWI into routine breast cancer screening and diagnosis.
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(This article belongs to the Topic Machine Learning and Deep Learning in Medical Imaging)
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Open AccessArticle
Clinical Audit of Autologous Platelet-Rich Fibrin Matrix with Local Antibiotic Therapy for Refractory Diabetic Foot Ulcers: 12-Month Outcomes from a Single Centre
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Upamanyu Nath, Iulia Valeria Rusu and Anand Pillai
BioMed 2026, 6(1), 5; https://doi.org/10.3390/biomed6010005 - 21 Jan 2026
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Background/Objectives: Diabetic Foot Ulceration (DFU) is one of the most debilitating and costly complications of diabetes mellitus, representing a significant cause of morbidity, disability, and healthcare burden worldwide. Refractory non-healing ulcers that fail to respond to conventional therapies require novel adjuvant treatment modalities.
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Background/Objectives: Diabetic Foot Ulceration (DFU) is one of the most debilitating and costly complications of diabetes mellitus, representing a significant cause of morbidity, disability, and healthcare burden worldwide. Refractory non-healing ulcers that fail to respond to conventional therapies require novel adjuvant treatment modalities. This clinical audit aimed to evaluate the long-term clinical outcomes of an autologous, bioactive platelet-rich fibrin (PRF) matrix combined with topical gentamicin in patients with chronic, non-healing DFUs. Methods: A retrospective observational audit was conducted, involving eleven patients with refractory DFUs who underwent adjunctive treatment with a PRF matrix (Arthrozheal®) and co-applied gentamicin. Patients were followed at three-week intervals using standardised wound imaging (Silhouette® 3D) to assess healing parameters. Long-term follow-up data, evaluating healing durability and complications, is presented. Results: All patients completed the treatment protocol, with significant reductions in mean wound area (87.9%), perimeter, depth, and volume (all p < 0.05). Epithelialised tissue increased from 24.7% to 82.8%. At 12 months, 81.8% of patients maintained complete ulcer healing. Two patients experienced complications: one ulcer recurrence requiring surgical debridement and one unrelated amputation due to osteomyelitis. Conclusions: The combination of autologous PRF matrix and gentamicin demonstrated promising results in promoting sustained healing of refractory DFUs with minimal complications. These findings support further investigation in larger, controlled studies to validate this biologic-antimicrobial approach as a safe, effective, and durable therapy for complex diabetic wounds.
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Open AccessArticle
Autophagy Activation in Mesenchymal Stem Cells with Lithium Chloride and Trehalose: Implications for Regenerative Medicine
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Ali Fouad, Yasser ElSherbini, Elsayed Abdelhady and Mohamed Abdraboh
BioMed 2026, 6(1), 4; https://doi.org/10.3390/biomed6010004 - 16 Jan 2026
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Background/Objectives: Mesenchymal stem cells (MSCs) are deemed to be a highly safe model for autologous and allogeneic cellular therapy, owing to their inherent lack of HLA-DR expression, immunomodulatory properties, homing ability, and plasticity allowing differentiation into different cell types. The interest in
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Background/Objectives: Mesenchymal stem cells (MSCs) are deemed to be a highly safe model for autologous and allogeneic cellular therapy, owing to their inherent lack of HLA-DR expression, immunomodulatory properties, homing ability, and plasticity allowing differentiation into different cell types. The interest in activating autophagic signaling in MSCs has recently grown due to its significant potential in maintaining stemness, enhancing paracrine signaling, and providing therapeutic benefits for cancer and neurodegenerative diseases. This study aimed to explore the impact of autophagy induction on enhancing the therapeutic potential of MSCs by maintaining their plasticity and to assess different induction agents. Methods: In this study, MSCs were first extracted from the fat tissue of Sprague–Dawley (SD) rats and characterized phenotypically and molecularly by their positive expression of stemness markers CD29, CD106, and CD44, and their negative expression of hematopoietic surface markers CD14, CD34, and CD45, using a flow cytometry approach. Isolated MSCs were then treated separately with two FDA-approved autophagy inducers: Lithium Chloride and Trehalose, following assessment of autophagy activity. Results: Treated MSCs showed significant increases in autophagic activity at both the transcriptional and translational levels. The successful induction of autophagy in MSCs was confirmed through the elevated expression of autophagy-related genes such as ATG3, ATG13, ATG14, P62, and ULK1. These data were confirmed by the significant upregulation in LC3 protein expression and the formation of autophagosomes, which was detected using a transmission electron microscope. Furthermore, the expression of Oct4, Sox2, and Nanog genes was significantly enhanced after treatment with Trehalose and Lithium Chloride compared with untreated control MSCs which may indicate an upregulation of pluripotency. Meanwhile, Lithium Chloride and Trehalose did not significantly induce cellular apoptosis, indicated by the Bax/Bcl-2 expression ratio, and significantly decreased the expression of the antioxidant markers SOD and GPx. Conclusions: Treatment of MSCs with Trehalose and, in particular, Lithium Chloride significantly activated autophagic signaling, which showed a profound effect in enhancing cells’ pluripotency, reinforcing the usage of treated MSCs for autologous and/or allogenic cellular therapy. However, further in vivo studies for activating autophagy in cellular grafts should be conducted before their use in clinical trials.
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Open AccessCase Report
Clinical Pilates Diagnostic Bullseye Concept for Neck and Shoulder Musculoskeletal Patients: Case Studies
by
Boon Chong Kwok, Justin Xuan Li Lim and John Kok Hong Wong
BioMed 2026, 6(1), 3; https://doi.org/10.3390/biomed6010003 - 15 Jan 2026
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Background/Objectives: Pilates is a form of exercise that benefits people with bodily pain and movement limitations. The Clinical Pilates method assesses a patient through history taking and exercise testing to identify the patient’s problem side and directional preference. This study is a technical
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Background/Objectives: Pilates is a form of exercise that benefits people with bodily pain and movement limitations. The Clinical Pilates method assesses a patient through history taking and exercise testing to identify the patient’s problem side and directional preference. This study is a technical report of two case studies to evaluate the feasibility of the Clinical Pilates conceptual framework for the management of neck and shoulder musculoskeletal conditions. Methods: A conceptual framework on the use of the diagnostic bullseye for neck and shoulder movements are presented. To illustrate the application of the framework, two independent case studies with neck and shoulder pain were interpreted. These cases were assessed for upper and lower quadrant movement preferences using the Clinical Pilates method. Patient self-reported outcome measures included the pain numeric rating scale (/10), patient-specific functional scale (/10), and shoulder pain and disability index (%). Results: In both case studies, the clinical outcomes improved by more than 50% from the baseline. These improvements showed that the conceptualized framework is feasible for use among individuals with neck and musculoskeletal conditions. Conclusions: The neck and shoulder diagnostic bullseyes developed provide an extension from existing lower quadrant diagnostic bullseye. The feasibility of the Clinical Pilates method for neck and shoulder conditions was illustrated in the two case studies.
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Open AccessInteresting Images
Esophageal Abscess Following Suspected Fish Bone Impaction: A Case Description
by
Di-Sheng Huang and Tse-Hao Chen
BioMed 2026, 6(1), 2; https://doi.org/10.3390/biomed6010002 - 6 Jan 2026
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A 57-year-old man presented with fever and progressive odynophagia three days after a suspected fish bone impaction. Laboratory tests revealed leukocytosis (17,400/µL) and an elevated C-reactive protein level (8.93 mg/dL). Initial chest radiography was unremarkable, ruling out pneumomediastinum. Contrast-enhanced computed tomography (CT) of
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A 57-year-old man presented with fever and progressive odynophagia three days after a suspected fish bone impaction. Laboratory tests revealed leukocytosis (17,400/µL) and an elevated C-reactive protein level (8.93 mg/dL). Initial chest radiography was unremarkable, ruling out pneumomediastinum. Contrast-enhanced computed tomography (CT) of the neck revealed focal thickening of the cervical esophageal wall, along with a low-attenuation collection and mild fat stranding surrounding the esophagus. Also, extraluminal air was absent. These findings supported the diagnosis of intramural abscess rather than free perforation. Upper endoscopy revealed a submucosal bulging lesion with a pinpoint mucosal defect that was actively draining pus, consistent with a contained intramural collection. Water-soluble contrast esophagogram confirmed smooth passage without extravasation, obstruction, or the double-lumen sign. The patient received bowel rest, intravenous piperacillin/tazobactam, and close observation. Symptoms and inflammatory markers improved, and follow-up CT confirmed the resolution of the intramural collection. Esophageal intramural abscesses develop when an infection spreads within the submucosa after a mucosal breach. In East Asia, this often occurs due to fish bone impaction. Early CT enables the differentiation of esophageal intramural abscess from perforation or dissection and guides the selection of conservative, rather than interventional, management.
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Open AccessOpinion
The Need to Inform the Profession, Our Patients, and the Public About “Happy Heart Syndrome”
by
John E. Madias
BioMed 2026, 6(1), 1; https://doi.org/10.3390/biomed6010001 - 31 Dec 2025
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Takotsubo syndrome (TTS), popularly known as “broken heart syndrome”, is a type of reversible but not benign acute heart failure condition of unknown etiology, usually triggered by physical or emotional stress, affecting primarily elderly women. Recently a subtype of TTS, triggered by positive/pleasant
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Takotsubo syndrome (TTS), popularly known as “broken heart syndrome”, is a type of reversible but not benign acute heart failure condition of unknown etiology, usually triggered by physical or emotional stress, affecting primarily elderly women. Recently a subtype of TTS, triggered by positive/pleasant emotions, has been identified (“happy heart syndrome”) with affected patients showing the same complications, including in-hospital and long-term mortality, as the patients afflicted with the “broken heart syndrome”. There is a need to increase the awareness of physicians, other medical providers, our patients, and the general public about the existence of “happy heart syndrome”.
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Open AccessArticle
Methods to Diagnose Adiposity (Overweight/Obesity) in Children and Avoid Misdiagnosis: Relative Fat Mass vs. Bioelectrical Impedance Analysis
by
Ana Rodriguez-Ventura, Nayeli Zuñiga-Puente, Luis F. Figueroa-Sanchez, Jessica Guerrero, Esveidy Sánchez, Tanya Perez, Fernanda Calzad and Diana Peña
BioMed 2025, 5(4), 29; https://doi.org/10.3390/biomed5040029 - 8 Dec 2025
Cited by 1
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Background/Objectives: Bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA) are the gold standard to measure fat mass, but they are unavailable in regular consultations. Relative Fat Mass (RFM) and Pediatric Relative Fat Mass (pRFM) equations are calculated using DXA images in adults
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Background/Objectives: Bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA) are the gold standard to measure fat mass, but they are unavailable in regular consultations. Relative Fat Mass (RFM) and Pediatric Relative Fat Mass (pRFM) equations are calculated using DXA images in adults and children, but they have not been correlated with BIA. Methods: A longitudinal prospective study was conducted with 531 children from a public school followed over one year; sex, age, weight, height, waist circumference and fat mass percentage were recorded. We calculated body mass index Z-score (Z-BMI), body mass index percentile (Pc BMI), waist-to-height ratio (WHtR), and RFM-pRFM to diagnose Overweight (Ow)/Obesity (Ob). We used descriptive statistics, Pearson’s correlation, sensitivity and specificity, 95% CI, and ROC curves; SPSS version 22 was used. Results: Adiposity was found in 34.5%, 33.2%, 21.5% and 43.5% of children using Z-BMI, Pc BMI, WHtR, and BIA, respectively; excluding children younger than 8 years old, the frequency of adiposity was 51.5% by RFM-pRFM. The highest correlation was between RFM-pRFM and BIA (0.84, p < 0.000). Of the total measurements of each visit considered as normal weight using Z-BMI, 21.5% had adiposity using BIA, and the proportion of girls underdiagnosed was twice that of boys. Conclusions: RFM-pRFM had the highest correlation with BIA but Z-BMI, Pc BMI, and WHtR are also helpful. It is important to consider that 21.5% of children with apparent normal weight present adiposity.
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Open AccessArticle
Central Sensitization of Pain in Patients Presenting with Low Back Pain and Foot/Ankle Disorders
by
Manuel Andrada Alonso, Nerea Mateo Guarch, Matías Alfonso Olmos-García, Conrado Saiz Modol, Julio Doménech Fernández and Rafael Llombart-Blanco
BioMed 2025, 5(4), 28; https://doi.org/10.3390/biomed5040028 - 2 Dec 2025
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Central sensitization of pain (CSP) is defined as the “increased responsiveness of nociceptive neurons in the central nervous system (CNS) to normal or subthreshold afferent input” The primary objective of this study is to compare the prevalence of CSP between patients presenting with
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Central sensitization of pain (CSP) is defined as the “increased responsiveness of nociceptive neurons in the central nervous system (CNS) to normal or subthreshold afferent input” The primary objective of this study is to compare the prevalence of CSP between patients presenting with foot and ankle conditions and those presenting with low back pain. Materials and Methods: A cross-sectional study was conducted comparing a cohort of patients with a first consultation for foot and ankle disorders to another cohort with a first consultation for lumbar spine pain at the same institution. Demographic variables, pain duration, main diagnosis, and a series of questionnaires assessing pain and disability were collected. The Central Sensitization Inventory (CSI) was administered to determine the presence of CSP within the groups. Statistical analyses were performed using STATA. Results: A total of 195 patients presenting with foot/ankle conditions and 252 patients with low back pain were included. Among the foot/ankle cohort, 16.4% (95% CI, 10.92–21.9%) were classified as having CSP, compared to 22.2% (95% CI, 16.85–27.6%) in the lumbar pain cohort. The difference in CSP prevalence between groups was not statistically significant (difference 5.79%, Chi2 = 2.357, p = 0.125). However, the difference in mean scores on Part A of the CSI was statistically significant (31.82 ± 13.88 vs. 25.20 ± 14.31, z = 4.237, p < 0.001). Among foot/ankle pathologies, plantar fasciitis showed the highest prevalence of CSP (21.9%), followed by hallux valgus (18.8%). A significant association was observed between CSP and higher levels of pain and disability. Female patients demonstrated a higher prevalence of CSP. Conclusions: Patients with low back pain exhibited higher CSI scores and a greater prevalence of central sensitization compared with those with foot and ankle disorders. Recognizing these mechanisms may help clinicians tailor more effective, multidisciplinary treatment strategies.
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