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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 PDFEffective mRNA transfection of tumor cells using cationic triacyl lipid‑based mRNA lipoplexes.
Biomed Rep
February 2025
Department of Molecular Pharmaceutics, Hoshi University, Shinagawa, Tokyo 142-8501, Japan.
Previously, it was reported that mRNA/cationic liposome complexes (mRNA lipoplexes) composed of the cationic triacyl lipid, 11-((1,3-bis(dodecanoyloxy)-2-((dodecanoyloxy)methyl)propan-2-yl)amino)-,,- trimethyl-11-oxoundecan-1-aminium bromide (TC-1-12), with 1,2-dioleoyl-glycero-3-phosphoethanolamine and poly(ethylene glycol) cholesteryl ether, induce high protein expression in human cervical carcinoma HeLa cells. In the present study, the authors aimed to optimize mRNA transfection using TC-1-12-based mRNA lipoplexes. mRNA lipoplexes were prepared at various charge ratios (+:-) using modified ethanol injection (MEI) and thin-film hydration (TFH) methods and compared the protein expression efficiency after transfection of HeLa cells with the developed mRNA lipoplexes.
View Article and Find Full Text PDFSTEAP4 with copper reductase activity suppresses tumorigenesis by regulating the cell cycle in hepatocellular carcinoma cells.
Cell Div
December 2024
Department of Nuclear Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guang Zhou, 510630, Guangdong, China.
Background: Abnormal expression of six-transmembrane epithelial antigen of prostate 4 (STEAP4) has been implicated in the carcinogenesis of hepatocellular carcinoma (HCC). However, the biological role and regulatory mechanisms of STEAP4 in HCC remain unclear.
Methods And Results: Here, we analyzed STEAP4 expression levels and differentially expressed genes (DEGs) between STEAP4 high- and low-expression groups using multiple databases.
Trace element zinc metabolism and its relation to tumors.
Front Endocrinol (Lausanne)
December 2024
Department of Urology, Kunming Children's Hospital, Kunming, Yunnan, China.
Zinc is an essential trace element in the human body, playing a crucial role in cellular metabolism.Dysregulation of zinc homeostasis can lead to abnormal cellular metabolism, contributing to diseases and closely related to tumor development. Adequate zinc intake can maintain zinc homeostasis in the body and support normal cellular metabolism.
View Article and Find Full Text PDFMetachronous Schnitzler's Metastasis of Gastric Adenocarcinoma 13 Years After Curative Resection: A Case Report.
Korean J Gastroenterol
December 2024
Division of Gastroenterology, Department of Internal Medicine, Dankook University College of Medicine, Cheonan, Korea.
A 54-year-old man presented with constipation with a six-month duration and a 5 kg weight loss over 10 months. He had undergone a subtotal gastrectomy and chemotherapy for advanced gastric cancer 13 years earlier. A colonoscopy revealed a firm, circular, in-growing mass in the rectum.
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