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Intraoperative liquid biopsy as a tool for detecting R1 resection during pancreatoduodenectomy in patients with pancreatic carcinoma: the CETUPANC trial (part II).
Int J Surg
December 2024
Valencia Clinical Hospital, University of Valencia, Biomedical Research Institute, Incliva, Valencia.
Introduction: A positive surgical margin (R1 resection) is a relevant risk factor for local recurrence in patients with pancreatic ductal adenocarcinoma of the pancreas (PDAC). An intraoperative liquid biopsy (ILB) based on tumor cell mobilization could help to detect R1 resection intraoperatively.
Objective: To evaluate the potential role of the intraoperative circulating tumor cells (CTCs) and cluster mobilization on the R0/R1 detection.
Primary signet-ring cell carcinoma of the prostate involving the pelvis: a case report.
Front Oncol
December 2024
Department of Pathology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
Background: Signet-ring cell carcinoma (SRCC) originates from undifferentiated stem cells in the neck of glands within the lamina propria of the mucosa. Primarily affecting the stomach, SRCC can also involve the breast, pancreas, gallbladder, colon, and bladder, although these cases are rare. SRCC of the prostate is extremely rare, and diagnosing it pelvic puncture is particularly challenging.
View Article and Find Full Text PDFBackground: Differentiation of patient-specific induced pluripotent stem cells (iPS) helps researchers to study the individual sensibility to drugs. However, differentiation protocols are time-consuming, and not all tissues have been studied. Few works are available regarding pancreatic exocrine differentiation of iPS cells, and little is known on culturing and cryopreserving these cells.
View Article and Find Full Text PDFType 2 diabetes (T2D) is a common metabolic disorder characterized by dysregulation of glucose metabolism. Genome-wide association studies have defined hundreds of signals associated with T2D and related metabolic traits, predominantly in noncoding regions. While pancreatic islets have been a focal point given their central role in insulin production and glucose homeostasis, other metabolic tissues, including liver, adipose, and skeletal muscle, also contribute to T2D pathogenesis and risk.
View Article and Find Full Text PDFTGFβ family signaling in human stem cell self-renewal and differentiation.
Cell Regen
November 2024
International Biomed-X Research Center, Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China.
Article Synopsis
- Human stem cells are unique undifferentiated cells that can both self-renew and transform into specialized cell types, vital for tissue and organ development.
- The surrounding microenvironment significantly impacts stem cell fate, with specific cytokines from the TGFβ superfamily (like TGFβ, BMP, Activin, and Nodal) playing key roles in regulating stem cell behavior.
- This review explores the influence of TGFβ superfamily signaling on various types of stem cells and highlights recent research on its applications in cancer treatment and regenerative medicine.
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