There is a fundamental link between diabetes and kidney care. But while there are many medications available to improve CKD outcomes in people with type 2 diabetes, the same options are not available for people with type 1. In this special episode, Dr. Neil Skolnik speaks with Janet McGill, MD, MA, FACE, FACP about the […]
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Efficacy and safety of CagriSema & Retatrutide, CGM benefits beyond T2D, & more!
Welcome to the latest episode (July 2026) of DOC Updates, where every month Neil Skolnik, MD and John Russell, MD review the most important articles on diabetes, obesity, and cardiometabolic disease. This month on DOC Updates: Aroda V, Buzzetti R, Dalskov S et al. “Efficacy and safety of once-weekly cagrilintide–semaglutide (CagriSema) in adults with type […]
Read MoreSpecial Edition: Medications in the Pipeline for Cardiometabolic Disease
In this special edition of DOC Updates, Neil Skolnik speaks with Dr. Juan Frias, who catalogues the latest cardiometabolic medications, emphasizing the distinguishing characteristics of each. This special episode is sponsored with support from Lilly. Presented by: Neil Skolnik, MD, Professor of Family and Community Medicine, Sidney Kimmel Medical College, Thomas Jefferson University; Associate Director, […]
Read MoreSex-Dependent Diabetes Impact of Acute Grp78 Deletion in β-Cells of Adult Mice
GRP78/BiP/HSPA5 is a widely expressed endoplasmic reticulum (ER) chaperone that also performs the critical role of regulating the unfolded protein response, an adaptive mechanism that maintains ER homeostasis. As the exclusive source of circulating insulin, pancreatic β-cells are prone to ER stress due to proinsulin synthesis workload. GRP78 is important for the ER stress response, […]
Read MoreActivating Transcription Factor 6α Governs Stress-Adaptive Pancreatic β-Cell Mass Expansion by Coordinating Proliferation and Survival
Progressive loss of pancreatic β-cell mass (BCM) is a hallmark of type 2 diabetes, yet strategies to preserve or restore BCM remain elusive due to incomplete understanding of the molecular mechanisms governing β-cell proliferation in adults. The unfolded protein response (UPR) maintains endoplasmic reticulum (ER) proteostasis, but the in vivo role of activating transcription factor 6α […]
Read MoreCo-occurrence of Loss-of-Function GCK and ABCC8 Variants in a Pedigree With a Spectrum of Dysglycemia
Glucokinase and ATP-sensitive potassium (KATP) channels in pancreatic β-cells control insulin secretion in response to glucose stimulation to maintain glucose homeostasis. It is well established that loss-of-function (LOF) variants in GCK, which encodes glucokinase, are diabetogenic, whereas LOF variants in KATP channel genes lead to congenital hyperinsulinism (HI) and hypoglycemia. However, how the co-occurrence of […]
Read MoreWhey Protein Ingestion Stimulates Glucagon Secretion and Raises Blood Glucose Levels in Adults With Type 1 Diabetes
This study characterized the dose effect of whey protein isolate (WPI) ingestion on glucagon secretion, glycemia, and the underlying mechanisms in adults with type 1 diabetes. Twelve insulin pump–treated adults with type 1 diabetes (mean ± SD age 47.3 ± 16.4 years; BMI 26.1 ± 3.8 kg/m2) and six adults without diabetes (age 36.2 ± […]
Read MoreIslet Autotransplant Recipients Have Elevated Proinsulin–to–C-Peptide Ratios Supporting Metabolic Stress as a Cause of Islet Attrition
Attrition of islet function is observed over time following total pancreatectomy with islet autotransplantation (TPIAT). Metabolic stress on a suboptimal islet mass is a suspected, but unconfirmed, contributor. We measured proinsulin–to–C-peptide (PI:C) ratios as an indicator of β-cell stress in TPIAT recipients >5 years post-TPIAT. Individuals ≥16 years old with TPIAT 5–20 years prior underwent […]
Read MoreMicroRNAs in Islet Biology and Diabetes: Progress, Gaps, and Opportunities
MicroRNAs (miRNAs) are small RNAs that posttranscriptionally repress gene expression of their target mRNAs. miRNA discovery dates to 1993, when Ambros and Ruvkun identified them in nematodes. More than two decades later, their pioneering research was recognized with the Nobel Prize in Medicine, a fitting acknowledgment of the profound impact these tiny molecules exert on […]
Read MoreLysosomal Ion Channel TRPML1 Contributes to Neuropathic Pain Associated With Diabetic Peripheral Neuropathy in Mice
Neuropathic pain associated with diabetic peripheral neuropathy (DPN) is a common and hard-to-treat complication of diabetes. Ion channels of plasma membrane are major mechanisms and targets for DPN pain. This study explores the role of a major lysosomal ion channel, TRPML1, in DPN pain. Mouse models of DPN pain and TRPML1 knockout were combined with […]
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