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Keywords = sodium-dependent glucose co-transporter

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16 pages, 2267 KB  
Article
Comparison of the Effects of Sodium-Glucose Cotransporter 2 Inhibitors on Cardiac Fibroblast Properties
by Claire Baufays, Julien Cumps, Cécile Dufeys, Audrey Ginion, Luc Bertrand, Sandrine Horman, Christophe Beauloye and Alice Marino
Int. J. Mol. Sci. 2025, 26(20), 10098; https://doi.org/10.3390/ijms262010098 - 16 Oct 2025
Viewed by 543
Abstract
Recent clinical trials have shown significant cardioprotective effects of antidiabetic sodium-glucose cotransporter 2 inhibitors (SGLT2i), including canagliflozin, empagliflozin, and dapagliflozin. These drugs significantly reduce hospitalizations for heart failure with reduced and preserved ejection fraction in both diabetic and non-diabetic patients. Yet, the mechanisms [...] Read more.
Recent clinical trials have shown significant cardioprotective effects of antidiabetic sodium-glucose cotransporter 2 inhibitors (SGLT2i), including canagliflozin, empagliflozin, and dapagliflozin. These drugs significantly reduce hospitalizations for heart failure with reduced and preserved ejection fraction in both diabetic and non-diabetic patients. Yet, the mechanisms underlying their protective effects, beyond their glucose-lowering properties, remain poorly understood. This study aimed to elucidate the direct effects of SGLT2i on cardiac fibroblasts, key mediators of myocardial fibrosis, ventricular remodeling, and heart failure. Using primary human cardiac fibroblast cultures, we compared the impact of canagliflozin, empagliflozin, and dapagliflozin on fibroblast properties. All three inhibitors significantly prevented myofibroblast differentiation. Notably, only canagliflozin significantly reduced fibroblast proliferation and migration. While all SGLT2i increased AMP-activated protein kinase (AMPK) phosphorylation, their effects on myodifferentiation were AMPK-independent. In contrast, the effect of canagliflozin on migration was partially dependent on AMPK, as demonstrated using the AMPK inhibitor BAY-3827. These findings reveal distinct cellular effects of individual SGLT2i on cardiac fibroblasts, suggesting heterogeneous potential to modulate extracellular matrix remodeling. Among them, canagliflozin may be more potent in preventing myocardial fibrosis in the context of heart failure. Full article
(This article belongs to the Special Issue Heart Failure: From Molecular Basis to Therapeutic Strategies)
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18 pages, 327 KB  
Perspective
Rethinking the Diabetes–Cardiovascular Disease Continuum: Toward Integrated Care
by Alfredo Caturano, Cassandra Morciano, Katarzyna Zielińska, Vincenzo Russo, Marco Alfonso Perrone, Cesare Celeste Berra and Caterina Conte
J. Clin. Med. 2025, 14(18), 6678; https://doi.org/10.3390/jcm14186678 - 22 Sep 2025
Cited by 1 | Viewed by 1415
Abstract
Type 2 diabetes mellitus (T2D) and cardiovascular disease (CVD) are not merely coexisting epidemics but co-evolving manifestations of a shared cardiometabolic continuum. Despite advances in glycemic, lipid, and blood pressure control, residual cardiovascular risk remains high, underscoring the limitations of siloed approaches. In [...] Read more.
Type 2 diabetes mellitus (T2D) and cardiovascular disease (CVD) are not merely coexisting epidemics but co-evolving manifestations of a shared cardiometabolic continuum. Despite advances in glycemic, lipid, and blood pressure control, residual cardiovascular risk remains high, underscoring the limitations of siloed approaches. In this perspective, we argue for reframing T2D and CVD as interconnected conditions driven by inflammation, adipose tissue dysfunction, and organ crosstalk. Beyond metformin, which remains foundational, several glucose-lowering drug classes are now evaluated not only for glycemic control but also for their cardiovascular and renal impact. Landmark trials and recent meta-analyses confirm that sodium-glucose co-transporter 2 inhibitors and glucagon-like peptide-1 (GLP-1) receptor agonists improve cardiorenal outcomes. More recently, tirzepatide, a dual glucose-dependent insulinotropic polypeptide (GIP)/GLP-1 receptor agonist, has shown unprecedented efficacy in weight and glucose management, with potential to further transform cardiometabolic risk reduction. Yet enthusiasm for these therapies must be tempered by heterogeneity of response, treatment costs, and inequitable access. Integrated care models, supported by multidisciplinary teams, digital health tools, and value-based reimbursement, are essential to close the gap between trial efficacy and real-world outcomes. Attention to sex, age, ethnicity, and comorbidity profiles is critical to ensure equity, as is the adaptation of strategies to low- and middle-income countries where the burden of cardiometabolic disease is rapidly rising. Ultimately, advancing cardiometabolic medicine requires not only novel therapies but also a unifying framework that integrates biology, behavior, economics, and health systems to deliver the right treatment to the right patient at the right time. Full article
(This article belongs to the Section Cardiovascular Medicine)
26 pages, 925 KB  
Review
Comparative Pharmacological and Pharmaceutical Perspectives on Antidiabetic Therapies in Humans, Dogs, and Cats
by Iljin Kim and Jang-Hyuk Yun
Pharmaceutics 2025, 17(9), 1098; https://doi.org/10.3390/pharmaceutics17091098 - 23 Aug 2025
Viewed by 1698
Abstract
Background/Objectives: Diabetes mellitus (DM) is an increasingly prevalent endocrine disorder affecting humans and companion animals. Type 1 DM (T1DM) and type 2 DM (T2DM) are well characterized in humans, and canine DM most often resembles T1DM, marked by insulin dependence and β-cell destruction. [...] Read more.
Background/Objectives: Diabetes mellitus (DM) is an increasingly prevalent endocrine disorder affecting humans and companion animals. Type 1 DM (T1DM) and type 2 DM (T2DM) are well characterized in humans, and canine DM most often resembles T1DM, marked by insulin dependence and β-cell destruction. Conversely, feline DM shares key features with human T2DM, including insulin resistance, obesity-related inflammation, and islet amyloidosis. This review provides a comprehensive comparative analysis of antidiabetic therapies in humans, dogs, and cats, focusing on three core areas: disease pathophysiology, pharmacological and delivery strategies, and translational implications. In human medicine, a wide array of insulin analogs, oral hypoglycemic agents, and incretin-based therapies, including glucagon-like peptide-1 receptor agonists (liraglutide) and sodium-glucose cotransporter-2 inhibitors (empagliflozin), are available. Veterinary treatments remain limited to species-adapted insulin formulations and off-label use of human drugs. Interspecies differences in gastrointestinal physiology, drug metabolism, and behavioral compliance influence therapeutic efficacy and pharmacokinetics. Recent innovations, such as microneedle patches for insulin delivery and continuous glucose monitoring systems, show promise in humans and animals. Companion animals with naturally occurring diabetes serve as valuable models for preclinical testing of novel delivery platforms and long-acting formulations under real-world settings. While these technologies show potential, challenges remain in regulatory approval and behavioral adaptation in animals. Conclusions: Future research should prioritize pharmacokinetic bridging studies, veterinary-specific formulation trials, and device validation in animal models. By highlighting shared and species-specific characteristics of DM pathogenesis and treatment, this review advocates a One Health approach toward optimized antidiabetic therapies that benefit human and veterinary medicine. Full article
(This article belongs to the Section Clinical Pharmaceutics)
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35 pages, 902 KB  
Review
Human Glucose Transporters in Health and Selected Neurodegenerative Diseases
by Leszek Szablewski
Int. J. Mol. Sci. 2025, 26(15), 7392; https://doi.org/10.3390/ijms26157392 - 31 Jul 2025
Viewed by 3115
Abstract
Glucose is the main source of energy and the source of carbon for the biosynthesis of several molecules, such as neurotransmitters, for most mammalian cells. Therefore, the transport of glucose into cells is very important. There are described three distinct families of glucose [...] Read more.
Glucose is the main source of energy and the source of carbon for the biosynthesis of several molecules, such as neurotransmitters, for most mammalian cells. Therefore, the transport of glucose into cells is very important. There are described three distinct families of glucose transporters: facilitative glucose transporters (GLUTs), sodium-dependent glucose cotransporters (SGLTs), and a uniporter, the SWEET protein. Impaired function and/or expression of these transporters due to, for example, mutations in their genes, may cause severe diseases. Associations with the impaired function of glucose transporters have been described in the case of neurodegenerative diseases (NDs) such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, GLUT1-deficiency syndrome, stroke, and traumatic brain injury. Changes in the presence of glucose transporters may be a cause of NDs, and they may be the effect of NDs. On the other hand, in many cases of neurodegenerative diseases, changes in the expression of glucose transporters may be a targeted therapy in the treatment of patients with these diseases. Full article
(This article belongs to the Special Issue Transporters in Health and Disease)
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22 pages, 2743 KB  
Review
SGLT2 Inhibitors in Cancer Patients: A Comprehensive Review of Clinical, Biochemical, and Therapeutic Implications in Cardio-Oncology
by Alessandra Greco, Maria Laura Canale, Vincenzo Quagliariello, Stefano Oliva, Andrea Tedeschi, Alessandro Inno, Marzia De Biasio, Irma Bisceglia, Luigi Tarantini, Nicola Maurea, Alessandro Navazio, Marco Corda, Attilio Iacovoni, Furio Colivicchi, Massimo Grimaldi and Fabrizio Oliva
Int. J. Mol. Sci. 2025, 26(10), 4780; https://doi.org/10.3390/ijms26104780 - 16 May 2025
Cited by 8 | Viewed by 2928
Abstract
Patients with active cancer and cancer survivors are at a markedly increased risk for developing cardiovascular comorbidities, including heart failure, coronary artery disease, and renal dysfunction, which are often compounded by the cardiotoxic effects of cancer therapies. This heightened cardiovascular vulnerability underscores the [...] Read more.
Patients with active cancer and cancer survivors are at a markedly increased risk for developing cardiovascular comorbidities, including heart failure, coronary artery disease, and renal dysfunction, which are often compounded by the cardiotoxic effects of cancer therapies. This heightened cardiovascular vulnerability underscores the urgent need for effective, safe, and evidence-based cardioprotective strategies to reduce both cardiovascular morbidity and mortality. Sodium-glucose cotransporter 2 inhibitors (SGLT2is), a class of drugs originally developed for the treatment of type 2 diabetes, have demonstrated significant cardiovascular and renal benefits in high-risk populations, independent of glycemic control. Among the currently available SGLT2i, such as empagliflozin, canagliflozin, dapagliflozin, and sotagliflozin, there is growing evidence supporting their role in reducing major adverse cardiovascular events (MACEs), hospitalization for heart failure, and the progression of chronic kidney disease. Recent preclinical and clinical data suggest that SGLT2is exert cardioprotective effects through multiple mechanisms, including the modulation of inflammasome activity, specifically by reducing NLRP3 inflammasome activation and MyD88-dependent signaling, which are critical drivers of cardiac inflammation and fibrosis. Moreover, SGLT2is have been shown to enhance mitochondrial viability in cardiac cells, promoting improved cellular energy metabolism and function, thus mitigating cardiotoxicity. This narrative review critically evaluates the emerging evidence on the cardiorenal protective mechanisms of SGLT2is, with a particular focus on their potential role in cardio-oncology. We explore the common pathophysiological pathways between cardiovascular dysfunction and cancer, the molecular rationale for the use of SGLT2is in cancer patients, and the potential benefits in both primary and secondary prevention of cardiovascular toxicity related to oncological treatments. The aim is to propose a therapeutic paradigm utilizing SGLT2is to reduce cardiovascular mortality, MACE, and the burden of cardiotoxicity in high-risk oncology patients, fostering an integrated approach to cardio-oncology care. Full article
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26 pages, 1707 KB  
Review
Doxorubicin-Induced Cardiotoxicity and the Emerging Role of SGLT2 Inhibitors: From Glycemic Control to Cardio-Oncology
by Iacob-Daniel Goje, Greta-Ionela Goje, Valentin Laurențiu Ordodi, Valentina Gabriela Ciobotaru, Vlad Sabin Ivan, Roxana Buzaș, Oana Tunea, Florina Bojin and Daniel-Florin Lighezan
Pharmaceuticals 2025, 18(5), 681; https://doi.org/10.3390/ph18050681 - 3 May 2025
Cited by 4 | Viewed by 6235
Abstract
Cancer remains the second leading cause of death worldwide. Doxorubicin (DOX) is a cornerstone of hematologic malignancy treatment, but it is limited by its dose-dependent cardiotoxicity, leading to systolic and diastolic cardiac dysfunction and, ultimately, dilated hypokinetic cardiomyopathy. Cardio-oncology has emerged as a [...] Read more.
Cancer remains the second leading cause of death worldwide. Doxorubicin (DOX) is a cornerstone of hematologic malignancy treatment, but it is limited by its dose-dependent cardiotoxicity, leading to systolic and diastolic cardiac dysfunction and, ultimately, dilated hypokinetic cardiomyopathy. Cardio-oncology has emerged as a subspecialty addressing cardiovascular complications in cancer patients, highlighting preventive and therapeutic strategies to reduce cancer therapy-related cardiac dysfunction (CTRCD). Current approaches, including beta-blockers, renin–angiotensin system (RAS) inhibitors, and statins, offer partial cardioprotection. Sodium-glucose cotransporter-2 (SGLT2) inhibitors, initially developed for type 2 diabetes mellitus (T2DM), demonstrate pleiotropic cardioprotective effects beyond glycemic control, including reduced oxidative stress, inflammation, and myocardial remodeling. This review explores the interplay between anthracycline therapy, particularly DOX, and cardiotoxicity while evaluating SGLT2 inhibitors as novel agents in cardio-oncology. Preclinical studies suggest SGLT2 inhibitors attenuate CTRCD by preserving mitochondrial function and inhibiting apoptosis, while clinical trials highlight their efficacy in reducing heart failure (HF) hospitalizations and cardiovascular (CV) mortality. Integrating SGLT2 inhibitors into cardio-oncology protocols could revolutionize the management of CTRCD, enhancing patient outcomes in oncology and cardiovascular care. Considering the emerging evidence, SGLT2 inhibitors may provide significant benefits to patients undergoing anthracycline therapy, particularly those with elevated cardiovascular risk profiles. We recommend that future prospective, large-scale clinical trials further evaluate the efficacy and safety of these agents as cardioprotective therapy to optimize individualized treatment strategies. Full article
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21 pages, 8811 KB  
Article
Empagliflozin Plays Vasoprotective Role in Spontaneously Hypertensive Rats via Activation of the SIRT1/AMPK Pathway
by Monika Kloza, Anna Krzyżewska, Hanna Kozłowska, Sandra Budziak and Marta Baranowska-Kuczko
Cells 2025, 14(7), 507; https://doi.org/10.3390/cells14070507 - 29 Mar 2025
Cited by 2 | Viewed by 1433
Abstract
Empagliflozin (EMPA), a sodium-glucose co-transporter 2 (SGLT2) inhibitor, prevents endothelial dysfunction, but its effects on vascular tone in hypertension remain unclear. This study investigated whether EMPA modulates vasomotor tone via sirtuin 1 (SIRT1) and AMP-activated protein kinase (AMPK) pathways in spontaneously hypertensive rats [...] Read more.
Empagliflozin (EMPA), a sodium-glucose co-transporter 2 (SGLT2) inhibitor, prevents endothelial dysfunction, but its effects on vascular tone in hypertension remain unclear. This study investigated whether EMPA modulates vasomotor tone via sirtuin 1 (SIRT1) and AMP-activated protein kinase (AMPK) pathways in spontaneously hypertensive rats (SHR) and controls (Wistar Kyoto rats, WKY). Functional (wire myography, organ bath) and biochemical (Western blot) studies were conducted on the third-order of the superior mesenteric arteries (sMAs) and/or aortas. EMPA induced concentration-dependent relaxation of preconstricted sMAs in both groups. In SHR, EMPA enhanced acetylcholine (Ach)-induced relaxation in sMAs and aortas and reduced constriction induced by phenylephrine (Phe) and U46619 in sMAs. The SIRT1 inhibitor (EX527) abolished EMPA’s effects on Ach-mediated relaxation and U46619-induced vasoconstriction, while AMPK inhibition reduced Ach-mediated relaxation and Phe-induced vasoconstriction. SHR showed increased SGLT2 and SIRT1 expression and decreased pAMPK/AMPK levels in sMAs. In conclusion, EMPA might exert vasoprotective effects in hypertension by enhancing endothelium-dependent relaxation and reducing constriction via AMPK/SIRT1 pathways. These properties could improve vascular health in patients with hypertension and related conditions. Further studies are needed to explore new indications for SGLT2 inhibitors. Full article
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29 pages, 7525 KB  
Article
Impact of Glucose, Inflammation and Phytochemicals on ACE2, TMPRSS2 and Glucose Transporter Gene Expression in Human Intestinal Cells
by Rizliya Visvanathan, Michael J. Houghton and Gary Williamson
Antioxidants 2025, 14(3), 253; https://doi.org/10.3390/antiox14030253 - 21 Feb 2025
Cited by 2 | Viewed by 1258
Abstract
Inflammation is associated with the pathophysiology of type 2 diabetes and COVID-19. Phytochemicals have the potential to modulate inflammation, expression of SARS-CoV-2 viral entry receptors (angiotensin-converting enzyme 2 (ACE2) and transmembrane protease, serine 2 (TMPRSS2)) and glucose transport in the gut. This study [...] Read more.
Inflammation is associated with the pathophysiology of type 2 diabetes and COVID-19. Phytochemicals have the potential to modulate inflammation, expression of SARS-CoV-2 viral entry receptors (angiotensin-converting enzyme 2 (ACE2) and transmembrane protease, serine 2 (TMPRSS2)) and glucose transport in the gut. This study assessed the impact of phytochemicals on these processes. We screened 12 phytochemicals alongside 10 pharmaceuticals and three plant extracts, selected for known or hypothesised effects on the SARS-CoV-2 receptors and COVID-19 risk, for their effects on the expression of ACE2 or TMPRSS2 in differentiated Caco-2/TC7 human intestinal epithelial cells. Genistein, apigenin, artemisinin and sulforaphane were the most promising ones, as assessed by the downregulation of TMPRSS2, and thus they were used in subsequent experiments. The cells were then co-stimulated with pro-inflammatory cytokines interleukin-1 beta (IL-1β) and tumour necrosis factor-alpha (TNF-α) for ≤168 h to induce inflammation, which are known to induce multiple pathways, including the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway. Target gene expression (ACE2, TMPRSS2, SGLT1 (sodium-dependent glucose transporter 1) and GLUT2 (glucose transporter 2)) was measured by droplet digital PCR, while interleukin-1 (IL-6), interleukin-1 (IL-8) and ACE2 proteins were assessed using ELISA in both normal and inflamed cells. IL-1β and TNF-α treatment upregulated ACE2, TMPRSS2 and SGLT1 gene expression. ACE2 increased with the duration of cytokine exposure, coupled with a significant decrease in IL-8, SGLT1 and TMPRSS2 over time. Pearson correlation analysis revealed that the increase in ACE2 was strongly associated with a decrease in IL-8 (r = −0.77, p < 0.01). The regulation of SGLT1 gene expression followed the same pattern as TMPRSS2, implying a common mechanism. Although none of the phytochemicals decreased inflammation-induced IL-8 secretion, genistein normalised inflammation-induced increases in SGLT1 and TMPRSS2. The association between TMPRSS2 and SGLT1 gene expression, which is particularly evident in inflammatory conditions, suggests a common regulatory pathway. Genistein downregulated the inflammation-induced increase in SGLT1 and TMPRSS2, which may help lower the postprandial glycaemic response and COVID-19 risk or severity in healthy individuals and those with metabolic disorders. Full article
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9 pages, 1015 KB  
Case Report
Renal Abscess Associated with SGLT2 Inhibitors Administration in Heart Failure Without Other Previous Risk Factors: A Case Report
by Madalina Andreea Munteanu, Camelia Nicolae, Razvan Ionut Popescu, Andreea Rusescu, Nicolae Paun and Tiberiu Ioan Nanea
Biomedicines 2025, 13(2), 389; https://doi.org/10.3390/biomedicines13020389 - 6 Feb 2025
Viewed by 2029
Abstract
Background and Clinical Significance: Renal abscess represents one infectious urological complication with lethal potential. The treatment of this pathology may differ depending on the severity of the symptoms and the size of the infectious collection. Diabetes, immunosuppression, and associated urinary pathologies are most [...] Read more.
Background and Clinical Significance: Renal abscess represents one infectious urological complication with lethal potential. The treatment of this pathology may differ depending on the severity of the symptoms and the size of the infectious collection. Diabetes, immunosuppression, and associated urinary pathologies are most frequently responsible for the development of abscesses. This case report presents the first documented case of a renal abscess associated with Sodium-glucose cotransporter 2 (SGLT2) inhibitors in a person without previous predisposing pathologies. Case Presentation: A 62-year-old patient presented to the emergency department for pain in the right flank, vomiting, and dysuria. The patient’s medical history revealed Heart Failure New York Heart Association (NYHA) Class II, Coronary Artery Disease (CAD) with prior angioplasty, and permanent Atrial Fibrillation. No prior urological or immunosuppressive conditions were detected. The Computed Tomography (CT) evaluation confirmed the ultrasound suspicion of a right renal abscess performed in the emergency room. The only risk factor identified was the initiation of SGLT2 inhibitor therapy for cardiac pathology approximately 2 months before. According to the small dimensions and urine culture, the abscess was successfully treated with antibiotic administration in collaboration with the urology department. The infectious process was remitted within 2 weeks. Conclusions: To our knowledge this is the first documented case of a renal abscess associated with SGLT2 inhibitor administration in a person without previous predisposing risk factors. Despite the relatively low incidence of urinary tract infections (UTIs) associated with SGLT2 inhibitors, their widespread use in the treatment of various socially significant conditions highlights the need for both patients and medical specialists to be aware of all potential risks and pay increased attention to these cases. Full article
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17 pages, 5855 KB  
Article
Dual Roles of Canagliflozin on Cholangiocarcinoma Cell Growth and Enhanced Growth Suppression in Combination with FK866
by Daisuke Taguchi, Yohei Shirakami, Hiroyasu Sakai, Daisuke Minowa, Takao Miwa, Toshihide Maeda, Masaya Kubota, Kenji Imai, Takashi Ibuka and Masahito Shimizu
Int. J. Mol. Sci. 2025, 26(3), 978; https://doi.org/10.3390/ijms26030978 - 24 Jan 2025
Cited by 2 | Viewed by 1772
Abstract
Cholangiocarcinoma-associated mortality has been increasing over the past decade. The sodium-glucose cotransporter 2 inhibitor, canagliflozin, has demonstrated anti-tumor effects against several types of cancers; however, studies examining its potential impact on cholangiocarcinoma are lacking. This study investigated the anti-tumor effects of canagliflozin on [...] Read more.
Cholangiocarcinoma-associated mortality has been increasing over the past decade. The sodium-glucose cotransporter 2 inhibitor, canagliflozin, has demonstrated anti-tumor effects against several types of cancers; however, studies examining its potential impact on cholangiocarcinoma are lacking. This study investigated the anti-tumor effects of canagliflozin on cholangiocarcinoma and the effects of nicotinamide adenine dinucleotide (NAD)+ salvage pathway activation and sirtuin 1 on tumor growth. We evaluated cell proliferation and gene expression in several cholangiocarcinoma cell lines and analyzed the effects of canagliflozin on cell proliferation, apoptosis, and migration. Canagliflozin treatment decreased the viability of cholangiocarcinoma cells in a concentration-dependent manner but increased the viability at low concentrations in several cell lines. At high concentrations, canagliflozin arrested the cell cycle checkpoint in the G0/G1 phase. In contrast, at low concentrations, it increased the proportion of cells in the S phase. Canagliflozin also reduced the migratory ability of cholangiocarcinoma cells in a concentration-dependent manner. Canagliflozin treatment upregulated nicotinamide phosphoribosyltransferase (NAMPT), NAD+, and sirtuin 1 in cholangiocarcinoma and activated the NAD+ salvage pathway. The growth-inhibitory effect of canagliflozin was enhanced when combined with an NAMPT inhibitor. Canagliflozin inhibits cholangiocarcinoma cell growth and migration and its anti-tumor effect is enhanced when combined with an NAMPT inhibitor. However, further investigation is required because of its potential tumor growth-promoting effect through the activation of the NAD+ salvage pathway. Full article
(This article belongs to the Special Issue Mechanism and Treatment Progress of Liver Disease)
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11 pages, 2330 KB  
Article
Immunolocalization of Na(+)-Dependent Glucose Co-Transporters in Chicken Kidneys in Norm and During T-2 Mycotoxicosis (Primary Study)
by Cristin Allmang, Piret Hussar, Ilmārs Dūrītis and Florina Popovska-Percinic
Curr. Issues Mol. Biol. 2024, 46(12), 14259-14269; https://doi.org/10.3390/cimb46120854 - 18 Dec 2024
Viewed by 1435
Abstract
The kidney plays an essential role in the proper homeostasis of glucose. In the kidney, glucose transport is carried out across cell membranes by two families of glucose transporters—facilitated diffusion glucose transporters (GLUTs) and Na(+)-dependent glucose co-transporters (SGLT family). Among the transporters, sodium-dependent [...] Read more.
The kidney plays an essential role in the proper homeostasis of glucose. In the kidney, glucose transport is carried out across cell membranes by two families of glucose transporters—facilitated diffusion glucose transporters (GLUTs) and Na(+)-dependent glucose co-transporters (SGLT family). Among the transporters, sodium-dependent glucose co-transporters play a major role in the kidney‘s ability to reabsorb glucose. Although the localization of glucose transporters has been extensively studied in mammals, there are still knowledge gaps regarding the localization of SGLTs in birds. The aim of this research was to conduct a comparative study of the immunolocalization of the sodium-dependent glucose co-transporters SGLT1 and SGLT2 in the kidneys of healthy and T-2-mycotoxicated chickens. Immunohistochemical staining was carried out using the polyclonal primary antibodies SGLT1 and SGLT2 (Abcam, UK) in kidney tissue derived from seven healthy and seven T-2-mycotoxicated 7-day-old female layer-type Ross chickens (Gallus gallus domesticus). The sections were stained using an immunohistochemistry kit (Abcam, UK). In the kidneys of the healthy birds, strong staining of SGLT1 and SGLT2 was observed in the cytoplasm of the epithelial cells of the proximal straight and convoluted tubules. In the kidneys of the birds of the T-2 toxin group, weak expression of SGLT1 and SGLT2 with morphological changes occurred, indicating reduced glucose transport in the urinary system during T-2 mycotoxicosis. Full article
(This article belongs to the Section Biochemistry, Molecular and Cellular Biology)
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11 pages, 289 KB  
Article
Protective Influence of SGLT-2 Inhibitors Against Heart Failure in Type 2 Diabetes Mellitus Through Longitudinal Clinical Database Analysis
by Attila Csaba Nagy, Ágnes Tóth, Natália Bak, Battamir Ulambayar, Amr Sayed Ghanem and Ferenc Sztanek
J. Clin. Med. 2024, 13(23), 7093; https://doi.org/10.3390/jcm13237093 - 24 Nov 2024
Cited by 1 | Viewed by 2325
Abstract
Background: Sodium–glucose co-transporter 2 (SGLT-2) inhibitors, initially designed for type 2 diabetes, promote glucose excretion and lower blood glucose. Newer analogs like empagliflozin and dapagliflozin improve cardiovascular outcomes through mechanisms other than glycemic control, including blood pressure reduction and anti-inflammatory effects. Given [...] Read more.
Background: Sodium–glucose co-transporter 2 (SGLT-2) inhibitors, initially designed for type 2 diabetes, promote glucose excretion and lower blood glucose. Newer analogs like empagliflozin and dapagliflozin improve cardiovascular outcomes through mechanisms other than glycemic control, including blood pressure reduction and anti-inflammatory effects. Given the high cardiovascular risk present in diabetes, our study aims to emphasize the cardioprotective benefits of SGLT-2 inhibitors as a preventive therapy for heart failure (HF) in high-risk T2DM patients. Methods: Using data from 2542 patients identified by the ICD-10 E11 code from 2016 to 2020, this longitudinal study excluded those with E10 codes or those undergoing insulin treatment to focus on non-insulin-dependent T2DM. a multiple logistic regression model assessed HF incidence while adjusting for demographics and HbA1c. Results: SGLT-2 inhibitor use significantly lowered the odds of heart failure events (OR = 0.55, 95% CI: 0.31–0.99, p = 0.046), with a significant difference by gender (OR = 0.45, 95% CI: 0.28–0.71, p = 0.001) and eGFR (OR = 0.98, 95% CI: 0.97–0.99, p = 0.004). Conclusions: The real-world data highlight SGLT-2 inhibitors as promising for HF prevention and broader cardiometabolic health in T2DM, with potential value in managing complex comorbid profiles. Full article
50 pages, 3272 KB  
Review
Anti-Diabetic Therapies and Cancer: From Bench to Bedside
by Dimitris Kounatidis, Natalia G. Vallianou, Irene Karampela, Eleni Rebelos, Marina Kouveletsou, Vasileios Dalopoulos, Petros Koufopoulos, Evanthia Diakoumopoulou, Nikolaos Tentolouris and Maria Dalamaga
Biomolecules 2024, 14(11), 1479; https://doi.org/10.3390/biom14111479 - 20 Nov 2024
Cited by 17 | Viewed by 5012
Abstract
Diabetes mellitus (DM) is a significant risk factor for various cancers, with the impact of anti-diabetic therapies on cancer progression differing across malignancies. Among these therapies, metformin has gained attention for its potential anti-cancer effects, primarily through modulation of the AMP-activated protein kinase/mammalian [...] Read more.
Diabetes mellitus (DM) is a significant risk factor for various cancers, with the impact of anti-diabetic therapies on cancer progression differing across malignancies. Among these therapies, metformin has gained attention for its potential anti-cancer effects, primarily through modulation of the AMP-activated protein kinase/mammalian target of rapamycin (AMPK/mTOR) pathway and the induction of autophagy. Beyond metformin, other conventional anti-diabetic treatments, such as insulin, sulfonylureas (SUs), pioglitazone, and dipeptidyl peptidase-4 (DPP-4) inhibitors, have also been examined for their roles in cancer biology, though findings are often inconclusive. More recently, novel medications, like glucagon-like peptide-1 (GLP-1) receptor agonists, dual GLP-1/glucose-dependent insulinotropic polypeptide (GIP) agonists, and sodium-glucose co-transporter-2 (SGLT-2) inhibitors, have revolutionized DM management by not only improving glycemic control but also delivering substantial cardiovascular and renal benefits. Given their diverse metabolic effects, including anti-obesogenic properties, these novel agents are now under meticulous investigation for their potential influence on tumorigenesis and cancer advancement. This review aims to offer a comprehensive exploration of the evolving landscape of glucose-lowering treatments and their implications in cancer biology. It critically evaluates experimental evidence surrounding the molecular mechanisms by which these medications may modulate oncogenic signaling pathways and reshape the tumor microenvironment (TME). Furthermore, it assesses translational research and clinical trials to gauge the practical relevance of these findings in real-world settings. Finally, it explores the potential of anti-diabetic medications as adjuncts in cancer treatment, particularly in enhancing the efficacy of chemotherapy, minimizing toxicity, and addressing resistance within the framework of immunotherapy. Full article
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24 pages, 1093 KB  
Review
Role of NLRP3 Inflammasome in Heart Failure Patients Undergoing Cardiac Surgery as a Potential Determinant of Postoperative Atrial Fibrillation and Remodeling: Is SGLT2 Cotransporter Inhibition an Alternative for Cardioprotection?
by Rodrigo L. Castillo, Jorge Farías, Cristian Sandoval, Alejandro González-Candia, Esteban Figueroa, Mauricio Quezada, Gonzalo Cruz, Paola Llanos, Gonzalo Jorquera, Sawa Kostin and Rodrigo Carrasco
Antioxidants 2024, 13(11), 1388; https://doi.org/10.3390/antiox13111388 - 14 Nov 2024
Cited by 4 | Viewed by 3845
Abstract
In heart failure (HF) patients undergoing cardiac surgery, an increased activity of mechanisms related to cardiac remodeling may determine a higher risk of postoperative atrial fibrillation (POAF). Given that atrial fibrillation (AF) has a negative impact on the course and management of HF, [...] Read more.
In heart failure (HF) patients undergoing cardiac surgery, an increased activity of mechanisms related to cardiac remodeling may determine a higher risk of postoperative atrial fibrillation (POAF). Given that atrial fibrillation (AF) has a negative impact on the course and management of HF, including the need for anticoagulation therapy, identifying the factors associated with AF occurrence after cardiac surgery is crucial for the prognosis of these patients. POAF is thought to occur when various clinical and biochemical triggers act on susceptible cardiac tissue (first hit), with oxidative stress and inflammation during cardiopulmonary bypass (CPB) surgery being potential contributing factors (second hit). However, the molecular mechanisms involved in these processes remain poorly characterized. Recent research has shown that patients who later develop POAF often have pre-existing abnormalities in calcium handling and activation of NLRP3-inflammasome signaling in their atrial cardiomyocytes. These molecular changes may make cardiomyocytes more susceptible to spontaneous Ca2+-releases and subsequent arrhythmias, particularly when exposed to inflammatory mediators. Additionally, some clinical studies have linked POAF with elevated preoperative inflammatory markers, but there is a need for further research in order to better understand the impact of CPB surgery on local and systemic inflammation. This knowledge would make it possible to determine whether patients susceptible to POAF have pre-existing inflammatory conditions or cellular electrophysiological factors that make them more prone to developing AF and cardiac remodeling. In this context, the NLRP3 inflammasome, expressed in cardiomyocytes and cardiac fibroblasts, has been identified as playing a key role in the development of HF and AF, making patients with pre-existing HF with reduced ejection fraction (HFrEF) the focus of several clinical studies with interventions that act at this level. On the other hand, HFpEF has been linked to metabolic and non-ischemic risk factors, but more research is needed to better characterize the myocardial remodeling events associated with HFpEF. Therefore, since ventricular remodeling may differ between HFrEF and HFpEF, it is necessary to perform studies in both groups of patients due to their pathophysiological variations. Clinical evidence has shown that pharmacological therapies that are effective for HFrEF may not provide the same anti-remodeling benefits in HFpEF patients, particularly compared to traditional adrenergic and renin–angiotensin–aldosterone system inhibitors. On the other hand, there is growing interest in medications with pleiotropic or antioxidant/anti-inflammatory effects, such as sodium–glucose cotransporter 2 inhibitors (SGLT-2is). These drugs may offer anti-remodeling effects in both HFrEF and HFpEF by inhibiting pro-inflammatory, pro-oxidant, and NLRP3 signaling pathways and their mediators. The anti-inflammatory, antioxidant, and anti-remodeling effects of SGLT-2 i have progressively expanded from HFrEF and HFpEF to other forms of cardiac remodeling. However, these advances in research have not yet encompassed POAF despite its associations with inflammation, oxidative stress, and remodeling. Currently, the direct or indirect effects of NLRP3-dependent pathway inhibition on the occurrence of POAF have not been clinically assessed. However, given that NLRP3 pathway inhibition may also indirectly affect other pathways, such as inhibition of NF-kappaB or inhibition of matrix synthesis, which are strongly linked to POAF and cardiac remodeling, it is reasonable to hypothesize that this type of intervention could play a role in preventing these events. Full article
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Systematic Review
Antidiabetic Treatment and Prevention of Ischemic Stroke: A Systematic Review
by Vasiliki Prentza, George Pavlidis, Ignatios Ikonomidis, Sotirios Pililis, Stamatios Lampsas, Aikaterini Kountouri, Loukia Pliouta, Emmanouil Korakas, John Thymis, Lina Palaiodimou, Aikaterini Tsegka, Konstantinos Markakis, Panagiotis Halvatsiotis, Georgios Tsivgoulis and Vaia Lambadiari
J. Clin. Med. 2024, 13(19), 5786; https://doi.org/10.3390/jcm13195786 - 28 Sep 2024
Cited by 6 | Viewed by 3882
Abstract
Background: Diabetes mellitus (DM) is a prevalent disease in the general population and also a well-established risk factor for the development of ischemic stroke. Patients who have been diagnosed with diabetes have a 20% higher risk for developing ischemic stroke in comparison to [...] Read more.
Background: Diabetes mellitus (DM) is a prevalent disease in the general population and also a well-established risk factor for the development of ischemic stroke. Patients who have been diagnosed with diabetes have a 20% higher risk for developing ischemic stroke in comparison to non-diabetic individuals. The aim of the current systematic review is to provide the latest evidence regarding the association between antidiabetic treatment and the prevention of ischemic stroke. Methods: A comprehensive search in scientific literature databases PUBMED, COCHRANE, and SCOPUS was conducted. The studies that were deemed as eligible for this review were those that examined the clinical benefits of therapeutic strategies in terms of preventing ischemic strokes. Results: A total of 32 studies met the established selection criteria. The included studies showed that pioglitazone treatment significantly reduced the risk for recurrent stroke in patients with DM. Furthermore, in the context of primary prevention, the improvement in glycemic control after treatment with the glucagon-like peptide-1 receptor agonists (GLP-1RA) semaglutide and dulaglutide was associated with a reduction in the risk of ischemic stroke in diabetic subjects. Metformin monotherapy may reduce stroke risk, while dipeptidyl peptidase 4 inhibitors, sodium-glucose co-transporter 2 inhibitors, and insulin do not seem to affect the incidence of stroke. Conclusions: The findings of the present systematic review suggest that pioglitazone and GLP-1RA may decrease the risk of stroke. Further studies are needed to provide additional data regarding the preventive effect of novel antidiabetic drugs, such as dual glucose-dependent insulinotropic polypeptide/GLP-1RA agents, on stroke. Full article
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