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Search Results (702)

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Keywords = developmental medicine

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24 pages, 2310 KiB  
Review
Exploring the Use of Viral Vectors Pseudotyped with Viral Glycoproteins as Tools to Study Antibody-Mediated Neutralizing Activity
by Miguel Ramos-Cela, Vittoria Forconi, Roberta Antonelli, Alessandro Manenti and Emanuele Montomoli
Microorganisms 2025, 13(8), 1785; https://doi.org/10.3390/microorganisms13081785 - 31 Jul 2025
Viewed by 260
Abstract
Recent outbreaks of highly pathogenic human RNA viruses from probable zoonotic origin have highlighted the relevance of epidemic preparedness as a society. However, research in vaccinology and virology, as well as epidemiologic surveillance, is often constrained by the biological risk that live virus [...] Read more.
Recent outbreaks of highly pathogenic human RNA viruses from probable zoonotic origin have highlighted the relevance of epidemic preparedness as a society. However, research in vaccinology and virology, as well as epidemiologic surveillance, is often constrained by the biological risk that live virus experimentation entails. These also involve expensive costs, time-consuming procedures, and advanced personnel expertise, hampering market access for many drugs. Most of these drawbacks can be circumvented with the use of pseudotyped viruses, which are surrogate, non-pathogenic recombinant viral particles bearing the surface envelope protein of a virus of interest. Pseudotyped viruses significantly expand the research potential in virology, enabling the study of non-culturable or highly infectious pathogens in a safer environment. Most are derived from lentiviral vectors, which confer a series of advantages due to their superior efficiency. During the past decade, many studies employing pseudotyped viruses have evaluated the efficacy of vaccines or monoclonal antibodies for relevant pathogens such as HIV-1, Ebolavirus, Influenza virus, or SARS-CoV-2. In this review, we aim to provide an overview of the applications of pseudotyped viruses when evaluating the neutralization capacity of exposed individuals, or candidate vaccines and antivirals in both preclinical models and clinical trials, to further help develop effective countermeasures against emerging neutralization-escape phenotypes. Full article
(This article belongs to the Section Virology)
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15 pages, 6331 KiB  
Article
Integrative Analysis of Iso-Seq and RNA-Seq Identifies Key Genes Related to Fatty Acid Biosynthesis and High-Altitude Stress Adaptation in Paeonia delavayi
by Qiongji He, Wenjue Yuan, Rui Wang, Wengao Yang, Guiqing He, Jinglong Cao, Yan Li, Lei Ye, Zhaoguang Li and Zhijiang Hou
Genes 2025, 16(8), 919; https://doi.org/10.3390/genes16080919 (registering DOI) - 30 Jul 2025
Viewed by 167
Abstract
Background/Objectives: Paeonia delavayi, a high-altitude-adapted medicinal and oil-producing plant, exhibits broad elevational distribution. Understanding how environmental factors regulate its growth across altitudes is critical for optimizing cultivation and exploiting its economic potential. Methods: In this study, we conducted a comprehensive Iso-Seq [...] Read more.
Background/Objectives: Paeonia delavayi, a high-altitude-adapted medicinal and oil-producing plant, exhibits broad elevational distribution. Understanding how environmental factors regulate its growth across altitudes is critical for optimizing cultivation and exploiting its economic potential. Methods: In this study, we conducted a comprehensive Iso-Seq and RNA-seq analysis to elucidate the transcriptional profile across diverse altitudes and three seed developmental stages. Results: Using Pacbio full-length cDNA sequencing, we identified 39,267 full-length transcripts, with 80.03% (31,426) achieving successful annotation. RNA-seq analysis uncovered 11,423 and 9565 differentially expressed genes (DEGs) in response to different altitude and developmental stages, respectively. KEGG analysis indicated that pathways linked to fatty acid metabolism were notably enriched during developmental stages. In contrast, pathways associated with amino acid and protein metabolism were significantly enriched under different altitudes. Furthermore, we identified 34 DEGs related to fatty acid biosynthesis, including genes encoding pivotal enzymes like biotin carboxylase, carboxyl transferase subunit alpha, malonyl-CoA-acyl carrier protein transacylase, 3-oxoacyl-ACP reductase, 3-hydroxyacyl-ACP dehydratase, and stearoyl-ACP desaturase enoyl-ACP reductase. Additionally, ten DEGs were pinpointed as potentially involved in high-altitude stress response. Conclusions: These findings provide insights into the molecular mechanisms of fatty acid biosynthesis and adaptation to high-altitude stress in peony seeds, providing a theoretical foundation for future breeding programs aimed at enhancing seed quality. Full article
(This article belongs to the Section Genes & Environments)
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31 pages, 3754 KiB  
Review
Artificial Gametogenesis and In Vitro Spermatogenesis: Emerging Strategies for the Treatment of Male Infertility
by Aris Kaltsas, Maria-Anna Kyrgiafini, Eleftheria Markou, Andreas Koumenis, Zissis Mamuris, Fotios Dimitriadis, Athanasios Zachariou, Michael Chrisofos and Nikolaos Sofikitis
Int. J. Mol. Sci. 2025, 26(15), 7383; https://doi.org/10.3390/ijms26157383 - 30 Jul 2025
Viewed by 440
Abstract
Male-factor infertility accounts for approxiamately half of all infertility cases globally, yet therapeutic options remain limited for individuals with no retrievable spermatozoa, such as those with non-obstructive azoospermia (NOA). In recent years, artificial gametogenesis has emerged as a promising avenue for fertility restoration, [...] Read more.
Male-factor infertility accounts for approxiamately half of all infertility cases globally, yet therapeutic options remain limited for individuals with no retrievable spermatozoa, such as those with non-obstructive azoospermia (NOA). In recent years, artificial gametogenesis has emerged as a promising avenue for fertility restoration, driven by advances in two complementary strategies: organotypic in vitro spermatogenesis (IVS), which aims to complete spermatogenesis ex vivo using native testicular tissue, and in vitro gametogenesis (IVG), which seeks to generate male gametes de novo from pluripotent or reprogrammed somatic stem cells. To evaluate the current landscape and future potential of these approaches, a narrative, semi-systematic literature search was conducted in PubMed and Scopus for the period January 2010 to February 2025. Additionally, landmark studies published prior to 2010 that contributed foundational knowledge in spermatogenesis and testicular tissue modeling were reviewed to provide historical context. This narrative review synthesizes multidisciplinary evidence from cell biology, tissue engineering, and translational medicine to benchmark IVS and IVG technologies against species-specific developmental milestones, ranging from rodent models to non-human primates and emerging human systems. Key challenges—such as the reconstitution of the blood–testis barrier, stage-specific endocrine signaling, and epigenetic reprogramming—are discussed alongside critical performance metrics of various platforms, including air–liquid interface slice cultures, three-dimensional organoids, microfluidic “testis-on-chip” devices, and stem cell-derived gametogenic protocols. Particular attention is given to clinical applicability in contexts such as NOA, oncofertility preservation in prepubertal patients, genetic syndromes, and reprocutive scenarios involving same-sex or unpartnered individuals. Safety, regulatory, and ethical considerations are critically appraised, and a translational framework is outlined that emphasizes biomimetic scaffold design, multi-omics-guided media optimization, and rigorous genomic and epigenomic quality control. While the generation of functionally mature sperm in vitro remains unachieved, converging progress in animal models and early human systems suggests that clinically revelant IVS and IVG applications are approaching feasibility, offering a paradigm shift in reproductive medicine. Full article
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22 pages, 3465 KiB  
Article
Chromosome-Level Genome Announcement of the Monokaryotic Pleurotus ostreatus Strain PC80
by Jie Wu, Wenhua Sun, Jingkang Zheng, Jinling Liu, Xuedi Liang, Qin Liu and Weili Kong
J. Fungi 2025, 11(8), 563; https://doi.org/10.3390/jof11080563 - 29 Jul 2025
Viewed by 349
Abstract
Pleurotus ostreatus is a widely cultivated edible fungus in China, renowned for its rich nutritional composition and diverse medicinal compounds. However, the quality of the currently published P. ostreatus genomes remained suboptimal, which limited in-depth research on its evolution, growth, and development. In [...] Read more.
Pleurotus ostreatus is a widely cultivated edible fungus in China, renowned for its rich nutritional composition and diverse medicinal compounds. However, the quality of the currently published P. ostreatus genomes remained suboptimal, which limited in-depth research on its evolution, growth, and development. In this study, we conducted a chromosome-level genome assembly of the monokaryotic basidiospore strain PC80. The assembled genome spanned 40.6 Mb and consisted of 15 scaffolds. Ten of these scaffolds contained complete telomere-to-telomere structures. The scaffold N50 value was 3.6 Mb. Genome annotation revealed 634 carbohydrate-active enzyme (CAZyme) family genes. Through collinearity analysis, we further confirmed that the PC80 genome exhibited higher completeness and greater accuracy compared to the currently published genomes of P. ostreatus. At the matA locus of PC80, three hd1 genes and one hd2 gene were identified. At the matB locus, seven pheromone receptor genes and two pheromone precursor genes were detected. Further phylogenetic analysis indicated that three of these pheromone receptor genes are likely to have mating-specific functions. This complete genome assembly could provide a foundation for future genomic and genetic studies, facilitate the identification of key genes related to growth and developmental regulation, and promote technological innovations in P. ostreatus breeding and efficient utilization. Full article
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26 pages, 1171 KiB  
Review
Current Context of Cannabis sativa Cultivation and Parameters Influencing Its Development
by Andreia Saragoça, Ana Cláudia Silva, Carla M. R. Varanda, Patrick Materatski, Alfonso Ortega, Ana Isabel Cordeiro and José Telo da Gama
Agriculture 2025, 15(15), 1635; https://doi.org/10.3390/agriculture15151635 - 29 Jul 2025
Viewed by 415
Abstract
Cannabis sativa L. is a versatile plant with significant medicinal, industrial, and recreational applications. Its therapeutic potential is attributed to cannabinoids like THC and CBD, whose production is influenced by environmental factors, such as radiation, temperature, and humidity. Radiation, for instance, is essential [...] Read more.
Cannabis sativa L. is a versatile plant with significant medicinal, industrial, and recreational applications. Its therapeutic potential is attributed to cannabinoids like THC and CBD, whose production is influenced by environmental factors, such as radiation, temperature, and humidity. Radiation, for instance, is essential for photosynthetic processes, acting as both a primary energy source and a regulator of plant growth and development. This review covers key factors affecting C. sativa cultivation, including photoperiod, light spectrum, cultivation methods, environmental controls, and plant growth regulators. It highlights how these elements influence flowering, biomass, and cannabinoid production across different growing systems, offering insights for optimizing both medicinal and industrial cannabis cultivation. Studies indicate that photoperiod sensitivity varies among cultivars, with some achieving optimal flowering and cannabinoid production under extended light periods rather than the traditional 12/12 h cycle. Light spectrum adjustments, especially red, far-red, and blue wavelengths, significantly impact photosynthesis, plant morphology, and secondary metabolite accumulation. Advances in LED technology allow precise spectral control, enhancing energy efficiency and cannabinoid profiles compared to conventional lighting. The photoperiod plays a vital role in the cultivation of C. sativa spp., directly impacting the plant’s developmental cycle, biomass production, and the concentration of cannabinoids and terpenes. The response to photoperiod varies among different cannabis cultivars, as demonstrated in studies comparing cultivars of diverse genetic origins. On the other hand, indoor or in vitro cultivation may serve as an excellent alternative for plant breeding programs in C. sativa, given the substantial inter-cultivar variability that hinders the fixation of desirable traits. Full article
(This article belongs to the Section Ecosystem, Environment and Climate Change in Agriculture)
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22 pages, 1054 KiB  
Review
Sustainable Nutrition and Food Allergy: A State-of-the-Art Review
by Caterina Anania, Barbara Cuomo, Enza D’Auria, Fabio Decimo, Giuliana Giannì, Giovanni Cosimo Indirli, Enrica Manca, Filippo Mondì, Erica Pendezza, Marco Ugo Andrea Sartorio and Mauro Calvani
Nutrients 2025, 17(15), 2448; https://doi.org/10.3390/nu17152448 - 27 Jul 2025
Viewed by 278
Abstract
Alternative proteins denote non-traditional, high-protein foods. These innovative sources aim to compete with conventional animal products by providing protein-rich, sustainable, nutritious, and flavorful options. Currently, five main categories of alternative proteins are being developed: plant-based proteins, cultured meat, single-cell proteins, edible insects, and [...] Read more.
Alternative proteins denote non-traditional, high-protein foods. These innovative sources aim to compete with conventional animal products by providing protein-rich, sustainable, nutritious, and flavorful options. Currently, five main categories of alternative proteins are being developed: plant-based proteins, cultured meat, single-cell proteins, edible insects, and seaweed. Nonetheless, several chemical and microbiological food safety hazards are associated with these alternatives Incorporating novel protein sources into food products may heighten the prevalence of existing food allergies. This could arise from extracting proteins from their natural matrices and utilizing them at significantly higher concentrations. Additionally, the introduction of new proteins may lead to the development of novel food allergies. Proteins that are currently seldom or never consumed may cause primary sensitisation or trigger cross-reactivity with known allergens. To date, alternative proteins have not been thoroughly studied for their allergenic potential, and there is no standardised method for assessing this risk. This review aims to explore non-traditional protein sources, discussing their nutritional and functional properties, as well as their potential allergenicity based on available research. We conducted a literature search in PubMed and Embase databases. We used specific keywords and MESH terms. A total of 157 studies were included in the review. The studies reviewed in our analysis reveal significant limitations, such as inconsistent methodologies, limited participant numbers, and a lack of long-term data, which hinder the ability to make clear conclusions regarding the safety of these new proteins for individuals with allergies. To address current challenge, future research should integrate food science, regulatory perspectives and advanced technologies. Full article
(This article belongs to the Special Issue Relationship Between Food Allergy and Human Health)
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11 pages, 769 KiB  
Article
Sperm Motility Is Modulated by F4-Neuroprostane via the Involvement of Ryanodine Receptors
by Cinzia Signorini, Elena Moretti, Laura Liguori, Caterina Marcucci, Thierry Durand, Jean-Marie Galano, Camille Oger and Giulia Collodel
Int. J. Mol. Sci. 2025, 26(15), 7231; https://doi.org/10.3390/ijms26157231 - 26 Jul 2025
Viewed by 230
Abstract
F4-Neuroprostanes (F4-NeuroPs), oxidative metabolites of docosahexaenoic acid, act as bioactive lipid mediators enhancing sperm motility and induce capacitation-like changes in vitro. Their biological action is proposed to involve sperm ion channels, in particular ryanodine receptors (RyRs), which regulate intracellular [...] Read more.
F4-Neuroprostanes (F4-NeuroPs), oxidative metabolites of docosahexaenoic acid, act as bioactive lipid mediators enhancing sperm motility and induce capacitation-like changes in vitro. Their biological action is proposed to involve sperm ion channels, in particular ryanodine receptors (RyRs), which regulate intracellular calcium homeostasis. We evaluated the effects of dantrolene, a RyR inhibitor, on motility and vitality of a selected spermatozoa at different concentrations (10, 30, 50, 100 μM). Then sperm motility, acrosome integrity, and RyR localization following co-incubation with dantrolene (D50 or D100 μM) and 4-/10-F4t-NeuroPs (7 ng) were investigated. Acrosomal status was assessed using Pisum sativum agglutinin (PSA) staining and RyR localization by immunofluorescence. D50 was identified as the minimum effective dose to induce significant reductions in sperm motility. F4-NeuroPs significantly increased rapid progressive motility versus controls. Co-incubation with F4-NeuroPs + D50 reduced rapid motility and increased in situ and circular movement. The acrosome staining appeared altered or absent to different percentages, and RyR localization was also seen in the midpiece. These findings suggested that F4-NeuroPs enhance sperm motility via RyR-mediated pathways, as confirmed by dantrolene inhibition. Accordingly, our results underscore the physiological relevance of RyRs in sperm function and suggest new insights into lipid-based mechanisms regulating sperm motility. Full article
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25 pages, 4453 KiB  
Article
Regulatory Mechanisms of Exogenous Gibberellin on Seed Germination and Transcriptomic Responses in Lomatogonium rotatum
by Kefan Cao, Yingtong Mu, Sihai Lu and Yanyan Zhao
Genes 2025, 16(8), 878; https://doi.org/10.3390/genes16080878 - 26 Jul 2025
Viewed by 280
Abstract
Gibberellins (GAs) are essential phytohormones that regulate seed dormancy release and germination. Lomatogonium rotatum (L.) Fries ex Nym is a traditional medicinal plant whose seed germination is often hindered by physiological dormancy. In this study, we systematically investigated the effects of exogenous GA [...] Read more.
Gibberellins (GAs) are essential phytohormones that regulate seed dormancy release and germination. Lomatogonium rotatum (L.) Fries ex Nym is a traditional medicinal plant whose seed germination is often hindered by physiological dormancy. In this study, we systematically investigated the effects of exogenous GA3 on the seed germination of L. rotatum and elucidated the underlying molecular regulatory mechanisms via transcriptomic analysis. GA3 treatment (500 mg/L for 24 h) significantly improved the germination rate, vigor index, and other germination traits. RNA-seq analysis identified time-dependent transcriptional changes in GA3-treated seeds across three developmental stages (24 h, 72 h, and 96 h). KEGG enrichment and K-means clustering revealed dynamic actiSvation of hormonal signaling, secondary metabolism, and DNA replication pathways. WGCNA uncovered two hormone-responsive co-expression modules (Red and Lightcyan) corresponding to early and late stages of germination, respectively. Key genes related to ABA and GA biosynthesis and signal transduction showed phase-specific expression, highlighting the coordinated hormonal regulation during seed germination. Our findings provide new insights into the molecular basis of GA3-regulated seed germination and offer theoretical support for the cultivation and utilization of L. rotatum. Full article
(This article belongs to the Section Plant Genetics and Genomics)
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22 pages, 2565 KiB  
Article
Efficacy and Safety of 5-Aminolevulinic Acid Hydrochloride Combined with Sodium Ferrous Citrate in Pediatric Patients with Leigh Syndrome and Central Nervous System Disorders: An Initial Exploratory Trial with a Double-Blind Placebo-Controlled Period, Followed by an Open-Label Period and a Subsequent Long-Term Administration Study
by Yuichi Abe, Toshimitsu Hamasaki, Jun Natsume, Yukiko Mogami, Kei Murayama, Hideaki Shiraishi, Yuki Abe, Satoko Kumada, Ryuta Tanaka, Kenji Ihara, Takafumi Sakakibara, Yasushi Okazaki, Hitoshi Nakagawa, Kiwamu Takahashi, Mitsugu Yamauchi, Motowo Nakajima and Akira Ohtake
Life 2025, 15(8), 1168; https://doi.org/10.3390/life15081168 - 23 Jul 2025
Viewed by 385
Abstract
An explorative study was conducted to evaluate the efficacy and safety of 5-aminolevulinic acid hydrochloride combined with sodium ferrous citrate (SPP-004) in 10 pediatric patients with Leigh syndrome (LS) aged 3–24 months in 10 institutions between December 2014 and July 2019. The patients [...] Read more.
An explorative study was conducted to evaluate the efficacy and safety of 5-aminolevulinic acid hydrochloride combined with sodium ferrous citrate (SPP-004) in 10 pediatric patients with Leigh syndrome (LS) aged 3–24 months in 10 institutions between December 2014 and July 2019. The patients were randomized and allocated to the SPP-004 or placebo group for a 12-week double-blind period, followed by a 12-week open-label period with SPP-004 and then a long-term study of up to 180 weeks. The efficacy and safety were evaluated using the Newcastle Pediatric Mitochondrial Disease Scale (NPMDS) and adverse events (AEs), respectively. No significant differences were found between groups in NPMDS scores, but prolonged SPP-004 treatment stabilized or improved scores. During the initial double-blind phase, the serum lactate levels increased in the placebo group but not in the SPP-004 group. Over the period of prolonged treatment with SPP-004, the average serum lactate level gradually decreased to a normal level. One patient died due to heart failure, presumably due to an underlying disease. Overall, 7 out of 10 patients received SPP-004 without developing severe AEs until the termination of the long-term study. Given the severe symptoms and poor prognosis of pediatric LS, NPMDS scores were indicative of stabilization in pediatric LS patients treated with SPP-004. Full article
(This article belongs to the Section Pharmaceutical Science)
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81 pages, 4295 KiB  
Systematic Review
Leveraging AI-Driven Neuroimaging Biomarkers for Early Detection and Social Function Prediction in Autism Spectrum Disorders: A Systematic Review
by Evgenia Gkintoni, Maria Panagioti, Stephanos P. Vassilopoulos, Georgios Nikolaou, Basilis Boutsinas and Apostolos Vantarakis
Healthcare 2025, 13(15), 1776; https://doi.org/10.3390/healthcare13151776 - 22 Jul 2025
Viewed by 762
Abstract
Background: This systematic review examines artificial intelligence (AI) applications in neuroimaging for autism spectrum disorder (ASD), addressing six research questions regarding biomarker optimization, modality integration, social function prediction, developmental trajectories, clinical translation challenges, and multimodal data enhancement for earlier detection and improved [...] Read more.
Background: This systematic review examines artificial intelligence (AI) applications in neuroimaging for autism spectrum disorder (ASD), addressing six research questions regarding biomarker optimization, modality integration, social function prediction, developmental trajectories, clinical translation challenges, and multimodal data enhancement for earlier detection and improved outcomes. Methods: Following PRISMA guidelines, we conducted a comprehensive literature search across 8 databases, yielding 146 studies from an initial 1872 records. These studies were systematically analyzed to address key questions regarding AI neuroimaging approaches in ASD detection and prognosis. Results: Neuroimaging combined with AI algorithms demonstrated significant potential for early ASD detection, with electroencephalography (EEG) showing promise. Machine learning classifiers achieved high diagnostic accuracy (85–99%) using features derived from neural oscillatory patterns, connectivity measures, and signal complexity metrics. Studies of infant populations have identified the 9–12-month developmental window as critical for biomarker detection and the onset of behavioral symptoms. Multimodal approaches that integrate various imaging techniques have substantially enhanced predictive capabilities, while longitudinal analyses have shown potential for tracking developmental trajectories and treatment responses. Conclusions: AI-driven neuroimaging biomarkers represent a promising frontier in ASD research, potentially enabling the detection of symptoms before they manifest behaviorally and providing objective measures of intervention efficacy. While technical and methodological challenges remain, advancements in standardization, diverse sampling, and clinical validation could facilitate the translation of findings into practice, ultimately supporting earlier intervention during critical developmental periods and improving outcomes for individuals with ASD. Future research should prioritize large-scale validation studies and standardized protocols to realize the full potential of precision medicine in ASD. Full article
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20 pages, 1541 KiB  
Review
Role of Cellular Senescence in IUGR: Impact on Fetal Morbidity and Development
by Aliabbas Zia, Faezeh Sahebdel, Yosra Er-Reguyeg, Michel Desjarlais, Jean-Clement Mars, Gregory A. Lodygensky and Sylvain Chemtob
Cells 2025, 14(14), 1097; https://doi.org/10.3390/cells14141097 - 17 Jul 2025
Viewed by 509
Abstract
Intrauterine growth restriction (IUGR) is a critical challenge in perinatal medicine and is associated with significant morbidity and mortality. This review explores the intricate involvement of early developmental senescence in IUGR. We highlight the dual role of cellular senescence in both normal development [...] Read more.
Intrauterine growth restriction (IUGR) is a critical challenge in perinatal medicine and is associated with significant morbidity and mortality. This review explores the intricate involvement of early developmental senescence in IUGR. We highlight the dual role of cellular senescence in both normal development and pathological conditions, emphasizing the need for further research to elucidate these mechanisms and develop targeted interventions. We discuss how oxidative stress and mitochondrial dysfunction affect senescence determinants. We present emerging therapeutic strategies aimed at targeting senescence and inflammation in the placenta. We also introduce Rytvela, an interleukin-1 (IL-1) receptor modulator developed in our laboratory, which selectively attenuates pro-inflammatory signaling while preserving essential immune responses, which in turn mitigate senescence. By addressing senescence-related dysfunctions, such interventions may improve placental performance and fetal outcomes, opening up new directions for the clinical management of IUGR. Full article
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17 pages, 1258 KiB  
Review
Design and Applications of Extracellular Matrix Scaffolds in Tissue Engineering and Regeneration
by Sylvia Mangani, Marios Vetoulas, Katerina Mineschou, Konstantinos Spanopoulos, Maria dM. Vivanco, Zoi Piperigkou and Nikos K. Karamanos
Cells 2025, 14(14), 1076; https://doi.org/10.3390/cells14141076 - 15 Jul 2025
Viewed by 1307
Abstract
Tissue engineering is a growing field with multidisciplinary players in cell biology, engineering, and medicine, aiming to maintain, restore, or enhance functions of tissues and organs. The extracellular matrix (ECM) plays fundamental roles in tissue development, maintenance, and repair, providing not only structural [...] Read more.
Tissue engineering is a growing field with multidisciplinary players in cell biology, engineering, and medicine, aiming to maintain, restore, or enhance functions of tissues and organs. The extracellular matrix (ECM) plays fundamental roles in tissue development, maintenance, and repair, providing not only structural support, but also critical biochemical and biomechanical cues that regulate cell behavior and signaling. Although its specific composition varies across different tissue types and developmental stages, matrix molecules influence various cell functional properties in every tissue. Given the importance of ECM in morphogenesis, tissue homeostasis, and regeneration, ECM-based bioscaffolds, developed through tissue engineering approaches, have emerged as pivotal tools for recreating the native cellular microenvironment. The aim of this study is to present the main categories of these scaffolds (i.e., natural, synthetic, and hybrid), major fabrication techniques (i.e., tissue decellularization and multidimensional bioprinting), while highlighting the advantages and disadvantages of each category, focusing on biological activity and mechanical performance. Scaffold properties, such as mechanical strength, elasticity, biocompatibility, and biodegradability are essential to their function and integration into host tissues. Applications of ECM-based bioscaffolds span a range of engineering and regenerative strategies, including cartilage, bone, cardiac tissue engineering, and skin wound healing. Despite promising advances, challenges remain in standardization, scalability, and immune response modulation, with future directions directed towards improving ECM-mimetic platforms. Full article
(This article belongs to the Special Issue Role of Extracellular Matrix in Cancer and Disease)
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15 pages, 5981 KiB  
Article
Metabolome and Transcriptome Analyses Revealing the Molecular Mechanisms of Precarious Fertility in Quinoa Cultivars
by Chao Song, Qingyun Huang, Chunsong Lin, Huihua Li, Ziyang Li, Yiding Xu, Fei Chen, Xueqin Zhang, Zhiqiang Wu and Suxia Xu
Agronomy 2025, 15(7), 1694; https://doi.org/10.3390/agronomy15071694 - 13 Jul 2025
Viewed by 433
Abstract
Quinoa (Chenopodium quinoa Willd) is a tetraploid crop that has provided vital subsistence, nutrition, and medicine for Andean indigenous cultures. In recent years, quinoa has gained global importance all over the world. However, variations in fertility have been frequently observed during the [...] Read more.
Quinoa (Chenopodium quinoa Willd) is a tetraploid crop that has provided vital subsistence, nutrition, and medicine for Andean indigenous cultures. In recent years, quinoa has gained global importance all over the world. However, variations in fertility have been frequently observed during the flower development of quinoa, severely affecting quinoa production. To comprehend the fundamental causes of fertility variation in quinoa, this research examined hormonal metabolism and gene expression across three ecotypes: normal fertility (F), absent stamens (S1), and abnormal stamens (S3). S1 and S3 presented absent and abnormal stamens, respectively, compared with F. Phytohormone profiling yielded 60 metabolites and revealed the clear separation between different ecotypes at different developmental stages according to principal component analysis (PCA). The results of transcriptomics showed more DEGs (differentially expressed genes) identified between F and S1 ecotypes (8002 and 10,716 for earlier and later stages, respectively) than F vs. S3 (4500 and 9882 for earlier and later stages, respectively) and S1 vs. S3 (4203 and 5052 for earlier and later stages, respectively). Zeatin biosynthesis and hormone signal transduction pathways were enriched among 19 KEGG (Kyoto Encyclopedia of Genes and Genomes) terms, indicating their potential roles in quinoa flower fertility regulation. The correlation-based network presented the associations between selected hormones and genes, possibly regulating fertile ecotypes. Furthermore, we explored the expression of flower development-related genes in three ecotypes using RT-PCR, showing the higher expressions of AP1, AP3, and FLS in sterile ecotypes than fertile ecotypes at both stages. These findings reveal new insights into the hormonal and genetic regulations of floral fertility in quinoa, which may have consequences for developing high-yielding cultivars. Full article
(This article belongs to the Section Crop Breeding and Genetics)
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15 pages, 583 KiB  
Article
Intraspecific Variability of Wormwood (Artemisia absinthium L.) Occurring in Poland in Respect of Developmental and Chemical Traits
by Olga Kosakowska, Zenon Węglarz, Agnieszka Żuchowska, Sylwia Styczyńska, Ewa Zaraś and Katarzyna Bączek
Molecules 2025, 30(14), 2915; https://doi.org/10.3390/molecules30142915 - 10 Jul 2025
Viewed by 402
Abstract
The aim of this study was to determine the intraspecific variability among 11 wild-growing populations of wormwood (Artemisia absinthium L.) originating from Central Europe and preserved in the Polish Genebank Collection. The populations were introduced into ex situ conditions, and assessed in [...] Read more.
The aim of this study was to determine the intraspecific variability among 11 wild-growing populations of wormwood (Artemisia absinthium L.) originating from Central Europe and preserved in the Polish Genebank Collection. The populations were introduced into ex situ conditions, and assessed in terms of selected developmental and chemical traits (essential oil, phenolic acids, polyphenols, and tannins content). Developmental observations and harvest of raw materials were carried out in the second year of plant vegetation, at the beginning of flowering. The populations exhibited significant differences. The greatest variability was observed in the number of shoots per plant (38–51) and dry mass of herb per plant (0.83–1.60 kg). Essential oil (EO) content ranged from 0.75 to 1.69 g/100 g dry weight (DW). A total of 41 compounds were identified in the EOs, with oxygenated monoterpenes (such as sabinyl acetate, cis-chrysanthenol, chrysantenyl acetate, 1,8-cineole, α- and β-thujone) as dominants, showing considerable variation among populations. Based on the EO profiles, several chemotypes were distinguished, mainly (1) a pure sabinyl acetate chemotype; (2) mixed chemotypes with sabinyl acetate accompanied by β-myrcene, cis-chrysanthenol, chrysanthenyl acetate, or 1,8-cineole; and (3) a thujone chemotype. The total content of phenolic acids (expressed as caffeic acid equivalent), tannins, and polyphenols (as pyrogallol equivalent) varied significantly, too (0.37–0.50; 0.10–0.26; 0.58–0.79%, respectively). The results confirm a high level of intraspecific variability in both developmental and chemical traits of A. absinthium populations originating from Poland. This diversity may be valuable for future breeding programs and for the selection of populations with desired phytochemical profiles for medicinal, food, and agricultural applications. It is worth noting that the floristic diversity among populations indicates the habitat heterogeneity, ranging from natural or semi-natural (populations 1, 6) to more anthropogenically influenced ones (populations 2, 4, 5, 7–11). Full article
(This article belongs to the Section Natural Products Chemistry)
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25 pages, 3712 KiB  
Review
IgG4-Related Disease in Childhood: Clinical Presentation, Management, and Diagnostic Challenges
by Silvia Taranto, Luca Bernardo, Angela Mauro, Anna Perrone, Agnese Tamborino and Teresa Giani
Children 2025, 12(7), 888; https://doi.org/10.3390/children12070888 - 5 Jul 2025
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Abstract
Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory disorder primarily affecting adults. The disease in pediatric age is unusual and preferentially affects adolescents. In contrast to adults, who commonly exhibit the involvement of multiple organs simultaneously or sequentially over time, young patients tend [...] Read more.
Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory disorder primarily affecting adults. The disease in pediatric age is unusual and preferentially affects adolescents. In contrast to adults, who commonly exhibit the involvement of multiple organs simultaneously or sequentially over time, young patients tend to present with a localized disease, typically affecting the orbits. Proptosis, ptosis, diplopia, and restricted eye movement may be observed in these patients. Symptoms are proteiform, and the disease is chronic and indolent with a relapsing–remitting course. Diagnostic criteria have been developed for adults, which may not fully capture the pediatric disease phenotype. If untreated or poorly managed, IgG4-RD can lead to progressive fibrosis and scarring of affected organs, potentially causing irreversible damage. We conducted a narrative review using the IMRAD approach, presenting a nonsystematic analysis of the literature on pediatric IgG4-RD. Original papers, case reports/series, and relevant reviews in English were selected from PubMed, EMBASE, and Web of Science up to January 2024. Keywords included “IgG4-Related Disease” and “pediatric” and, additionally, we presented two original pediatric cases. Our purpose is to offer an overview of IgG4-RD manifestations, and challenges in diagnosing and managing this rare condition in children. Full article
(This article belongs to the Section Pediatric Allergy and Immunology)
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