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Functional validation of a novel STAT3 'variant of unknown significance' identifies a new case of STAT3 GOF Syndrome and reveals broad immune cell defects.
Clin Exp Immunol
January 2025
Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.
Introduction: STAT3 orchestrates crucial immune responses through its pleiotropic functions as a transcription factor. Patients with germline monoallelic dominant negative or hypermorphic STAT3 variants, who present with immunodeficiency and/or immune dysregulation, have revealed the importance of balanced STAT3 signaling in lymphocyte differentiation and function, and immune homeostasis. Here, we report a novel missense variant of unknown significance in the DNA binding domain of STAT3 in a patient who experienced hypogammaglobulinemia, lymphadenopathy, hepatosplenomegaly, immune thrombocytopenia, eczema and enteropathy over a 35-year period.
View Article and Find Full Text PDFProbiotic administration aggravates dextran sulfate sodium salt-induced inflammation and intestinal epithelium disruption in weaned pig.
Anim Microbiome
January 2025
Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, 611130, P.R. China.
Background: A. muciniphila (AKK) has attracted extensive research interest as a potential next-generation probiotics, but its role in intestinal pathology is remains unclear. Herein, this study was conducted to investigate the effects of A.
View Article and Find Full Text PDFPotential role of signal transducer and activator of transcription 3 in the amygdala in mitigating stress-induced high blood pressure via exercise in rats.
Acta Physiol (Oxf)
February 2025
Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba, Japan.
Aim: Chronic stress elevates blood pressure, whereas regular exercise exerts antistress and antihypertensive effects. However, the mechanisms of stress-induced hypertension and preventive effects through exercise remain unknown. Thus, we investigated the molecular basis involved in autonomic blood pressure regulation within the amygdala.
View Article and Find Full Text PDFIntracellular CIRP promotes liver regeneration via STAT3 signaling pathway activation after partial hepatectomy in mice.
Int J Mol Med
March 2025
National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China.
Cold‑inducible RNA‑binding protein (CIRP) is a cold shock protein implicated in the regulation of multiple biological processes depending on its cellular localization. However, to the best of our knowledge, the role of CIRP in liver regeneration and injury after hepatectomy has not been investigated. The present study was therefore designed to explore whether CIRP is involved in liver regeneration after hepatectomy and its specific role and underlying molecular mechanism.
View Article and Find Full Text PDFCYP3A5 promotes glioblastoma stemness and chemoresistance through fine-tuning NAD/NADH ratio.
J Exp Clin Cancer Res
January 2025
School of Medicine, Chinese PLA General Hospital, Nankai University, Beijing, China.
Background: Glioblastoma multiforme (GBM) exhibits a cellular hierarchy with a subpopulation of stem-like cells known as glioblastoma stem cells (GSCs) that drive tumor growth and contribute to treatment resistance. NAD(H) emerges as a crucial factor influencing GSC maintenance through its involvement in diverse biological processes, including mitochondrial fitness and DNA damage repair. However, how GSCs leverage metabolic adaptation to obtain survival advantage remains elusive.
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