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Assessing the diagnostic potential of SATB2 and β-catenin as biomarkers and therapeutic targets in pancreatic ductal adenocarcinoma.
J Cancer Res Clin Oncol
January 2025
Department of Pathology, Theodor Bilharz Research Institute, Giza, 12411, Egypt.
Introduction: Pancreatic ductal adenocarcinoma (PDAC) is associated with poor prognosis. The roles of the transcription factor special AT-rich binding protein-2 (SATB2) and β-catenin in PDAC have been a subject of controversy. We aimed to assess the diagnostic and prognostic impact of SATB2 and β-catenin in PDAC.
View Article and Find Full Text PDFNutritional state-dependent modulation of insulin-producing cells in .
Elife
January 2025
Neurobiology and Genetics, Theodor-Boveri-Institute, Biocenter, Julius-Maximilians-University of Würzburg, Würzburg, Germany.
Insulin plays a key role in metabolic homeostasis. insulin-producing cells (IPCs) are functional analogues of mammalian pancreatic beta cells and release insulin directly into circulation. To investigate the in vivo dynamics of IPC activity, we quantified the effects of nutritional and internal state changes on IPCs using electrophysiological recordings.
View Article and Find Full Text PDFProtective effect of CK2 against endoplasmic reticulum stress in pancreatic β cells.
Diabetol Int
January 2025
Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 650-0017 Japan.
Unlabelled: Endoplasmic reticulum (ER) stress due to obesity or systemic insulin resistance is an important pathogenic factor that could lead to pancreatic β-cell failure. We have previously reported that CCAAT/enhancer-binding protein β (C/EBPβ) is highly induced by ER stress in pancreatic β cells. Moreover, its accumulation hampers the response of these cells to ER stress by inhibiting the induction of the molecular chaperone 78 kDa glucose-regulated protein (GRP78).
View Article and Find Full Text PDFUnraveling the pathophysiology of type 2 diabetes with a new selectively bred animal model, the Oikawa-Nagao mouse.
Diabetol Int
January 2025
Department of Endocrinology, Metabolism and Nephrology, Graduate School of Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8603 Japan.
Type 2 diabetes (T2D) is a polygenic disease, and the development of animal models by selective breeding is crucial for understanding its etiology, pathophysiology, complications, and treatments. We recently developed a new T2D model, the Oikawa-Nagao (ON) mouse, by selectively breeding mice with inferior glucose tolerance [diabetes-prone (ON mouse DP®; ON-DP) strain] and superior glucose tolerance [diabetes-resistant (ON mouse DR®; ON-DR) strain] on a high-fat diet. ON-DP mice are predisposed to develop diabetes and obesity after being fed a high-fat diet, compared to ON-DR mice.
View Article and Find Full Text PDFDifferentiation, reduction, and proliferation of pancreatic β-cells and their regulatory factors.
Diabetol Int
January 2025
Clinical Research Department, Institute of Biomedical Research and Innovation (IBRI), Foundation for Biomedical Research and Innovation at Kobe (FBRI), 6-3-7 Minatojima Minami-machi, Chuo-ku, Kobe, Hyogo 650-0047 Japan.
The prevalence of diabetes has increased rapidly in recent years, and many types of therapeutic agents have been developed. However, the main purpose of these drugs is to lower blood glucose levels, and they are not fundamental solutions. In contrast, our research has been aimed at stimulating and inducing β-cell proliferation in vivo and replenishing β-cells.
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