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The immune checkpoint LAG-3 is expressed by melanoma cells and correlates with clinical progression of the melanoma.
Oncoimmunology
December 2025
Heidelberg University, Medical Faculty Heidelberg, Department of Dermatology and National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ and University Hospital Heidelberg, Heidelberg, Germany.
Immune checkpoint blockers have substantially improved prognosis of melanoma patients, nevertheless, resistance remains a significant problem. Here, intrinsic and extrinsic factors in the tumor microenvironment are discussed, including the expression of alternative immune checkpoints such as lymphocyte activation gene 3 (LAG-3) and T-cell immunoglobulin and mucin domain-containing protein 3 (TIM-3). While most studies focus on immune cell expression of these proteins, we investigated their melanoma cell intrinsic expression by immunohistochemistry in melanoma metastases of 60 patients treated with anti-programmed cell death protein 1 (PD-1) and/or anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) therapy, and correlated it with the expression of potential ligands, RNA sequencing data and clinical outcome.
View Article and Find Full Text PDFThe purpose of this review was to analyze the most perspective methods for risk stratification of malignant transformation of pancreatic intraductal papillary mucinous neoplasms (IPMN). Advisability of humoral predictors (tumor markers, inflammatory markers, circulating leptin and branched-chain amino acids, etc.) is in identifying prognostic signs suitable for risk stratification of IPMN malignant transformation and, therefore, determining treatment strategy for a particular patient.
View Article and Find Full Text PDFNovel approach to alleviate lupus nephritis: targeting the NLRP3 inflammasome in CD8CD69CD103 T cells.
J Transl Med
December 2024
Department of Rheumatology, The First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Second Road, Guangzhou, 510080, P. R. China.
Background: Renal CD8 tissue-resident memory T (T) cells display prolonged survival and activity in lupus nephritis (LN), exacerbating renal pathology. NLRP3 regulates the T cell response. This study explored the impact of NLRP3 inflammasome activity on the regulatory functions of T cells in LN.
View Article and Find Full Text PDFExosomes Derived from Endoplasmic Reticulum Stressed Hepatocellular Carcinoma Cells Enhance the Antitumor Immunity of Dendritic Cells.
Inflammation
December 2024
Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui, China.
Endoplasmic reticulum stress (ERs) is implicated in antitumor immunity. However, the exact role of ERs in mediating the effects of dendritic cells (DCs) is not unclear. In this study, we explored the role of exosomes derived from ER-stressed hepatocellular carcinoma (HCC) cells in the antitumor effects of DCs and the precise underlying mechanism.
View Article and Find Full Text PDFInvestigation of T lymphocyte subsets in children with Mycoplasma pneumoniae pneumonia.
Immunol Res
December 2024
Department of Respiratory Medicine, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China.
This study aims to characterize the majority of immune cell subsets in peripheral blood mononuclear cells in children with Mycoplasma pneumoniae pneumonia (MPP) by a 21-color flow cytometry panel. Patients who met the predetermined eligibility criteria for pneumonia diagnosis were recruited for the research study. Multi-color flow cytometry was conducted on the peripheral blood mononuclear cells of each patient group, which were then subjected to dimensionality reduction and cluster analysis.
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