CD4 T cells with cytotoxic capability are increasingly recognized as potentially key actors in anti-tumor immunity. A new report in Cell elucidates the presence and potential role of a population of cytotoxic CD4 T cells in bladder cancer using single cell sequencing technology.
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| http://dx.doi.org/10.1016/j.ccell.2020.06.013 | DOI Listing |
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PAXIP1 is regulated by NRF1 and is a prognosis‑related biomarker in hepatocellular carcinoma.
Biomed Rep
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Department of Central Laboratory, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu 223300, P.R. China.
Hepatocellular carcinoma (HCC) is characterized by a poor prognosis globally. PAX-interacting protein 1 (PAXIP1) serves a key role in the development of numerous human cancer types. Nevertheless, its specific involvement in HCC remains poorly understood.
View Article and Find Full Text PDFDeath and survival of gut CD4 T cells following HIV-1 infection ex vivo.
PNAS Nexus
November 2024
Division of Infectious Diseases, Department of Medicine, University of Colorado School of Medicine, 12700 E 19th Ave, Mail Stop B168, Aurora, CO 80045, USA.
The gastrointestinal tract is ground zero for the massive and sustained CD4 T cell depletion during acute HIV-1 infection. To date, the molecular mechanisms governing this fundamental pathogenic process remain unclear. HIV-1 infection in the gastrointestinal tract is associated with chronic inflammation due to a disrupted epithelial barrier that results in microbial translocation.
View Article and Find Full Text PDFThe anti-tumor effect of the IFNγ/Fas chimera expressed on CT26 tumor cells.
Anim Cells Syst (Seoul)
January 2025
Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Korea.
Interferon gamma (IFNγ) is well-known for its ability to stimulate immune cells in response to pathogen infections and cancer. To develop an effective cancer therapeutic vaccine, CT26 colon carcinoma cells were genetically modified to express IFNγ either as a secreted form (sIFNγ) or as a membrane-bound form. For the membrane-bound expression, IFNγ was fused with Fas (mbIFNγ/Fas), incorporating the extracellular cysteine-rich domains, transmembrane, and cytoplasmic domains of Fas.
View Article and Find Full Text PDFHow do inflammatory marker dynamics shift with acute calculous cholecystitis severity?
Ulus Travma Acil Cerrahi Derg
January 2025
Department of General Surgery, Istanbul Training and Research Hospital, Istanbul-Türkiye.
Introduction: Gallstone may cause complications of cholecystitis, gallbladder gangrene, perforation, and related sepsis. This study aims to identify how CRP and immune cells change in patients with acute calculous cholecystitis based on the severity of disease.
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The Glycopeptide PV-PS A1 Immunogen Elicits Both CD4+ and CD8+ Responses.
Vaccines (Basel)
December 2024
Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, University of Toledo, 2801 West Bancroft Street, Toledo, OH 43606, USA.
Background/objectives: The MHCII-dependent, CD4+ T-cell zwitterionic polysaccharide PS A1 has been investigated as a promising carrier for vaccine development because it can induce an MHCII-dependent CD4+ response towards a variety of tumor-associated carbohydrate antigens (TACAs). However, PS A1 cannot elicit cytotoxic T lymphocytes through MHCI, which may or may not hamper its potential clinical use in cancer, infectious and viral vaccine development. This paper addresses PS A1 MHCI independence through the introduction of an MHCI epitope, the poliovirus (PV) peptide, to establish an MHCI- and MHCII-dependent vaccine.
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