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Progress report on multiple endocrine neoplasia type 1.
Fam Cancer
January 2025
Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Multiple endocrine neoplasia type 1 (MEN1) syndrome is an autosomal dominant disorder caused by a germline pathogenic variant in the MEN1 tumor suppressor gene. Patients with MEN1 have a high risk for primary hyperparathyroidism (PHPT) with a penetrance of nearly 100%, pituitary adenomas (PitAd) in 40% of patients, and neuroendocrine neoplasms (NEN) of the pancreas (40% of patients), duodenum, lung, and thymus. Increased MEN1-related mortality is mainly related to duodenal-pancreatic and thymic NEN.
View Article and Find Full Text PDFUnraveling the Connection Between Ion Channels and Pancreatic Stellate Cell Activation.
Cell Physiol Biochem
January 2025
UR-UPJV 4667, UFR Sciences, Université de Picardie Jules Verne, Amiens, France,
Quiescent pancreatic stellate cells (PSCs) represent only a very low proportion of the pancreatic tissue, but their activation leads to stroma remodeling and fibrosis associated with pathologies such as chronic pancreatitis and pancreatic ductal adenocarcinoma (PDAC). PSC activation can be induced by various stresses, including acidosis, growth factors (PDGF, TGFβ), hypoxia, high pressure, or intercellular communication with pancreatic cancer cells. Activated PSC targeting represents a promising therapeutic strategy, but little is known regarding the molecular mechanisms underlying the activation of PSCs.
View Article and Find Full Text PDFIntercellular TIMP-1-CD63 signaling directs the evolution of immune escape and metastasis in KRAS-mutated pancreatic cancer cells.
Mol Cancer
January 2025
Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
Background And Aims: Oncogenic KRAS mutations are present in approximately 90% of pancreatic ductal adenocarcinoma (PDAC). However, Kras mutation alone is insufficient to transform precancerous cells into metastatic PDAC. This study investigates how KRAS-mutated epithelial cells acquire the capacity to escape senescence or even immune clearance, thereby progressing to advanced PDAC.
View Article and Find Full Text PDFLow-positive controls for monitoring progesterone receptor immunohistochemical staining.
J Clin Pathol
January 2025
Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
Aims: Progesterone receptor (PR) is a crucial prognostic marker in breast cancer. However, achieving consistent results in PR immunohistochemistry (IHC) remains challenging due to the lack of well-defined low-positive controls. This study aimed to identify benign tissues with consistent low-level PR expression to serve as ideal controls for IHC.
View Article and Find Full Text PDFNET Models Meeting 2024 white paper: the current state of neuroendocrine tumour research models and our future aspirations.
Endocr Oncol
January 2024
OCDEM, Radcliffe Department of Medicine, University of Oxford, Churchill Hospital, Oxford, UK.
Current models for the study of neuroendocrine tumours (NETs) are severely limited. While (e.g.
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