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Role of immune cell homeostasis in research and treatment response in hepatocellular carcinoma.
Clin Exp Med
January 2025
Department of Thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
Introduction Recently, immune cells within the tumor microenvironment (TME) have become crucial in regulating cancer progression and treatment responses. The dynamic interactions between tumors and immune cells are emerging as a promising strategy to activate the host's immune system against various cancers. The development and progression of hepatocellular carcinoma (HCC) involve complex biological processes, with the role of the TME and tumor phenotypes still not fully understood.
View Article and Find Full Text PDFReduced expression of programmed cell death protein 1 on peripheral regulatory B cells in pre-eclampsia - Signs of impaired immune suppression.
J Reprod Immunol
January 2025
Department of Clinical Biochemistry, Centre for Immune Regulation and Reproductive Immunology (CIRRI), Zealand University Hospital, Sygehusvej 10, Roskilde DK-4000, Denmark; Department of Clinical Medicine, University of Copenhagen, Blegdamsvej 3B, Copenhagen DK-2200, Denmark; The ReproHealth Research Consortium, Zealand University Hospital, Sygehusvej 10, Roskilde DK-4000, Denmark. Electronic address:
Immunological changes are believed to be a part of pre-eclampsia etiology. This study investigated the distribution of the specific peripheral B lymphocyte phenotypes in pre-eclampsia cases compared to uncomplicated pregnancies. The study cohort included 29 women with pre-eclampsia and 14 women with uncomplicated pregnancies.
View Article and Find Full Text PDFDistinct immunological features of oropharyngeal cancer peritumoral tonsillar tissues from inflammatory tonsils and regional lymph nodes: A pilot study.
PLoS One
January 2025
Division of Otorhinolaryngology and Head and Neck Surgery, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan.
Background: Cancer immune responses are generated in secondary lymphoid organs, such as the lymph nodes and tonsils. In the current study, transcriptional profiles of peritumoral tonsillar tissues (PTTs) from oropharyngeal cancers (OPCs) were assessed and compared with those of inflammatory tonsils and regional lymph nodes (rLNs).
Methods: RNA samples of PTTs and rLNs from 13 OPCs, and 4 inflammatory tonsils were subjected to microarray analysis, and differentially expressed genes (DEGs) identified from 730 nCounter Panel immune-related genes.
Proline exacerbates hepatic gluconeogenesis via paraspeckle-dependent mRNA retention.
Nat Metab
January 2025
Institute of Environmental Medicine and Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Type 2 diabetes (T2D) is a global health issue characterized by abnormal blood glucose levels and is often associated with excessive hepatic gluconeogenesis. Increased circulating non-essential amino acids (NEAAs) are consistently observed in individuals with T2D; however, the specific contribution of each amino acid to T2D pathogenesis remains less understood. Here, we report an unexpected role of the NEAA proline in coordinating hepatic glucose metabolism by modulating paraspeckle, a nuclear structure scaffolded by the long non-coding RNA Neat1.
View Article and Find Full Text PDFMiR-519d-3p from Placenta-Derived Exosomes Induce Immune Intolerance Regulating Immune Cells, Contributing to the Pathogenesis of Preeclampsia.
Immunol Invest
January 2025
Department of Obstetrics and Gynecology, Medical Centre of Maternity and Child Health, Shengli Clinical Medical College of Fujian Medical University, Fujian, China.
Background: MiR-519d-3p, also called specific placenta biomarkers, is a member of the Chromosome 19 miRNA Cluster (C19MC) with the highest concentrations of miRNAs in human placenta and maternal serum. These miRNAs are secreted by fetal trophoblast cells within extracellular vesicles (EVs) and interact with the mother's immune cells, which has been proposed to be crucial for immunological tolerance at the placental-maternal interface. A key mechanism in preeclampsia, a multifactorial, multipath hypertensive pregnancy illness, is an immunological imbalance between the mother and the fetus.
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