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Overcoming CD226-related immune evasion in acute myeloid leukemia with CD38 CAR-engineered NK cells.
Cell Rep
January 2025
Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA. Electronic address:
CD226 plays a vital role in natural killer (NK) cell cytotoxicity, interacting with its ligands CD112 and CD155 to initiate immune synapse formation, primarily through leukocyte function-associated-1 (LFA-1). Our study examined the role of CD226 in NK cell surveillance of acute myeloid leukemia (AML). NK cells in patients with AML had lower expression of CD226.
View Article and Find Full Text PDFHigh CD38 expression defines a mitochondrial function-adapted CD8 T cell subset with implications for lung cancer immunotherapy.
Cancer Immunol Immunother
January 2025
Department of Respiratory and Critical Medicine, the First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China.
Despite identifying specific CD8 T cell subsets associated with immunotherapy resistance, the molecular pathways driving this process remain elusive. Given the potential role of CD38 in regulating CD8 T cell function, we aimed to investigate the accumulation of CD38CD8 T cells in lung cancer and explore its role in immunotherapy resistance. Phenotypic analysis of tumoral CD8 T cells from both lung cancer patients and immunotherapy-resistant preclinical models revealed that CD38-expressing CD8 T cells consist of CD38 and CD38 subsets.
View Article and Find Full Text PDFIntratumoural CD8 CXCR5 follicular cytotoxic T cells have prognostic value and are associated with CD19 CD38 B cells and tertiary lymphoid structures in colorectal cancer.
Cancer Immunol Immunother
December 2024
Department of Clinical Laboratory, State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Background: Colorectal cancer (CRC) is the most common digestive cancer in the world. Microsatellite stability (MSS) and microsatellite instability (MSI-high) are important molecular subtypes of CRC closely related to tumor occurrence and progression and immunotherapy efficacy. The presence of CD8 CXCR5 follicular cytotoxic T (T) cells is strongly associated with autoimmune disease and CD8 effector function.
View Article and Find Full Text PDFCausal association of circulating immune cells with nephrotic syndrome: evidence from a two-sample Mendelian randomization study.
Int Urol Nephrol
December 2024
Department of Emergency, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, 412007, China.
Objective: Nephrotic syndrome, a debilitating manifestation of kidney disease, often arises from diverse glomerular disorders and is accompanied by notable comorbidities. Despite indications of an immunological etiology, the precise role of immune cells in its pathogenesis remains unclear. This study aimed to elucidate the causal relationships between circulating immune cell phenotypes and nephrotic syndrome using a rigorous bidirectional Mendelian randomization approach.
View Article and Find Full Text PDFParallel single-cell metabolic analysis and extracellular vesicle profiling reveal vulnerabilities with prognostic significance in acute myeloid leukemia.
Nat Commun
December 2024
IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy.
Acute myeloid leukemia (AML) is an aggressive disease with a high relapse rate. In this study, we map the metabolic profile of CD34(CD38) AML cells and the extracellular vesicle signatures in circulation from AML patients at diagnosis. CD34 AML cells display high antioxidant glutathione levels and enhanced mitochondrial functionality, both associated with poor clinical outcomes.
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