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The immune exhaustion paradox: activated functionality during chronic bacterial infections.
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Department of Immunology, School of Medicine and Dr. Jose Eleuterio Gonzalez University Hospital, Universidad Autónoma de Nuevo León, Monterrey, Mexico.
Co-inhibitory molecules, such as cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death protein 1 (PD-1), known as immune checkpoints, regulate the activity of T and myeloid cells during chronic viral infections and are well-established for their roles in cancer therapy. However, their involvement in chronic bacterial infections, particularly those caused by pathogens endemic to developing countries, such as Mycobacterium tuberculosis (Mtb), remains incompletely understood. Cytokine microenvironment determines the expression of co-inhibitory molecules in tuberculosis: Results indicate that the cytokine IL-12, in the presence of Mtb antigens, can enhance the expression of co-inhibitory molecules while preserving the effector and memory phenotypes of CD4+ T cells.
View Article and Find Full Text PDFDifferent processing methods affect the chemical composition and in vitro anti-tumor activity of ginseng.
J Food Sci
January 2025
College of Pharmacy, Changchun University of Chinese Medicine, Changchun, China.
Ginseng and its processed products are valued as health foods for their nutritional benefits. The traditional forms of processed ginseng include white ginseng, dali ginseng (DLG), red ginseng (RG), and black ginseng (BG). However, the impact of processing on the chemical composition and anti-tumor efficacy of these products is not well understood.
View Article and Find Full Text PDFcirc_0075829 regulates ferroptosis and immune escape in colon cancer cells through the miR-330-5p/TCF4 axis.
Neoplasma
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Department of Gastrointestinal Surgery, Renmin Hospital of Wuhan University, Wuchang, Wuhan, Hubei, China.
Many lines of evidence suggest that circular RNAs (circRNAs) are closely associated with the occurrence and progression of colon cancer. The objective of this study was to investigate the regulatory effects and mechanisms of circ_0075829 on ferroptosis and immune escape in colon cancer. We utilized colon cancer cell lines and a xenograft mouse model to analyze the function of circ_0075829 in vitro and in vivo.
View Article and Find Full Text PDFhsa_circ_0021727 facilitates esophageal squamous cell carcinoma progression by stabilizing GBX2 mRNA through interacting with EIF4A3.
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Department of General Surgery/Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China.
Esophageal squamous cell carcinoma (ESCC) has high mortality. The role and regulatory mechanism of hsa_circ_0021727 (circ_0021727) in ESCC remain largely unknown. This study focused on the undiscovered impact of circ_0021727 on cell cycle progression, apoptosis, and angiogenesis of ESCC.
View Article and Find Full Text PDFMTHFD2 promotes breast cancer cell proliferation through IFRD1 RNA m6A methylation-mediated HDAC3/p53/mTOR pathway.
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Department of Pathology and Forensic Medicine, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
MTHFD2 is highly overexpressed in breast cancer tissues, indicating that it might be used as a target in breast cancer treatment. This study aims to determine the role of MTHFD2 in breast cancer cell proliferation and the molecular pathways involved. In order to investigate MTHFD2 gene expression and its downstream pathways in breast cancer, we started our inquiry with a bioinformatics analysis.
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