Deciphering the heterogeneity of type 2 diabetes in prognosis and treatment effect is essential. We used a novel dimensionality reduction approach to describe the type 2 diabetes phenotype continuum and visualize the difference in lifestyle intervention efficacy in Chinese patients. Based on 17,816 participants with newly diagnosed type 2 diabetes (aged ≥40 years) from a […]
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Application of Dental Pulp Stem Cell–Derived Intracellular Vesicles for Diabetic Wound Healing
Diabetic wounds represent a significant clinical and economic burden, affecting both patients and health care systems. While current therapeutic approaches, such as negative pressure wound therapy, offer benefits, their limitations necessitate alternative strategies. Newly discovered dental pulp stem cell–derived intracellular vesicles have emerged as a promising candidate in regenerative medicine due to their therapeutic potential. […]
Read MoreProinflammatory Cytokines Mediate Pancreatic β-Cell–Specific Alterations to Golgi Integrity via iNOS-Dependent Mitochondrial Inhibition
Type 1 diabetes (T1D) is caused by the selective autoimmune ablation of pancreatic β-cells. Emerging evidence reveals β-cell secretory dysfunction arises early in T1D development and may contribute to diseases etiology; however, the underlying mechanisms are not well understood. Our data reveal that proinflammatory cytokines elicit a complex change in the β-cell’s Golgi structure and […]
Read MoreMechanistic Insights Into Postprandial Insulin–Glucagon Interactions and Their Impact on Glucose Flux After Protein–Glucose Coingestion in Humans
Despite stimulating glucagon secretion, the mechanisms by which protein ingestion lowers glucose excursions remain unclear. We investigated this using the triple stable isotope glucose tracer technique to measure postprandial glucose fluxes. Eleven healthy adults completed three trials, ingesting 25 g glucose (25G; 100 kcal), 50 g glucose (50G; 200 kcal), or 25 g glucose plus […]
Read MoreSerum Metabolomics Reveals Potential Differences in Gut Microbiota–Associated Metabolites in Twins Discordant for Type 1 Diabetes
We investigated serum metabolites in monozygotic (MZ) and dizygotic (DZ) twins discordant for type 1 diabetes (T1D) to explore potential environmental factors, with a focus on differences in gut microbiota–associated metabolites that may influence T1D. Serum samples from 39 twins discordant for T1D were analyzed using a semi-targeted metabolomics approach via liquid chromatography–high-resolution tandem mass […]
Read Moreβ-Cell Neogenesis From the Pancreatic Ductal Epithelium Revealed Dynamically by Long-term Intravital Imaging
Pancreatic β-cells can self-renew in the adult pancreas through replication, but the contribution of ductal progenitors to endocrine regeneration has been the subject of debate for two decades. While these mechanisms are not mutually exclusive, some lineage-tracing strategies suggest that intraductal endocrine cells cannot dynamically derive from ducts. Combining one such approach with a novel […]
Read MoreSystems Biology and Functional Assessments of Human iPSC-Cardiomyocyte Models of Insulin Resistance Capture Key Hallmarks of Diabetic Cardiomyopathy
Human-centric models of diabetic cardiomyopathy (DbCM) are needed to provide mechanistic insights and translationally relevant therapeutic targets for patients with diabetes. A systems biology approach using insulin resistant (IR) two-dimensional (2D) human induced pluripotent stem cell–derived cardiomyocytes (hiPSC-CMs) and three-dimensional (3D) engineered heart tissue (EHT) provides a comprehensive evaluation of dysregulated pathways and determines suitability […]
Read MoreSpecial Edition: The Cardiovascular Outcome Trials – Origin and Perspective
In this special series on The Cardiovascular Outcome Trials our host, Dr. Neil Skolnik will discuss the history and importance of the Cardiovascular Outcome Trials for diabetes medications . In Part 1 we discuss an historical perspective with Dr. Steven Nissan and how this has lead to the CVOTs that change the way we practice […]
Read MoreProteogenomic Insights Into Type 1 Diabetes: Refining Biomarkers and Therapeutic Targets
We are writing in response to the article by Lu et al. (1), which was recently published in Diabetes. In their research, the authors identify four circulating proteins (CTSH, IL27RA, SIRPG, and PGM1) that could act as potential risk factors for type 1 diabetes (T1D). Through Mendelian randomization, they propose that these proteins could serve as […]
Read MoreDiabetic Neuropathy Part I
In this special three-part series we will be doing a deep dive into diabetic peripheral neuropathy. In this first episode Dr. Rodica Pop-Busui joins our host, Dr. Neil Skolnik to discuss the epidemiology, pathophysiology, clinical manifestations, screening and diagnosis of diabetic peripheral neuropathy. In part 2 we will cover pharmacologic treatment and in part 3 […]
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