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Myocarditis is the common cause of sudden cardiac death, dilated cardiomyopathy (DCM) and heart failure (HF) in young adults. The most common type of myocarditis is viral myocarditis (VMC). Toll-like receptors (TLRs) are vital to identify pathogens . TLRs promote the differentiation of naive CD4T cells to T helper (Th) cells, activate the immune response, and participate in the pathogenesis of autoimmune and allergic diseases. Although the pathogenesis of VMC is unclear, autoimmune responses have been confirmed to play a significant role; hence, it could be inferred that VMC is closely related to TLRs and Th responses. Some drugs have been found to improve the prognosis of VMC by regulating the immune response through activated TLRs. In this review, we discuss the role of TLRs and Th responses in VMC.
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http://dx.doi.org/10.3389/fimmu.2022.843891 | DOI Listing |
Metab Brain Dis
September 2025
Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
Acute or chronic liver damage can result in Hepatic Encephalopathy (HE), a potentially fatal neuropsychiatric condition that leads to cerebral and neurological alterations. Dapagliflozin (DAPA), an orally active Sodium/Glucose cotransporter 2 inhibitor with long duration of action. The study aim was to evaluate the potential protective impact of DAPA against HE caused by Thioacetamide (TAA) in rats.
View Article and Find Full Text PDFTransplant Direct
September 2025
Unidad Transplante de О́rganos, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Spain.
Extracorporeal photopheresis (ECP) is a well-established, safe, and effective immunomodulatory therapy currently used in clinics to decrease T cell-mediated immunity in various disorders, including autoimmune diseases and chronic rejection in organ transplantation. Although the ECP procedure has been shown to induce apoptotic cells that are reintroduced into the patient at the end of the treatment, the precise tolerogenic mechanisms mediated by ECP are not fully understood. Previous in vitro studies have demonstrated that early apoptotic cells express annexins on their cell surface, which suppress myeloid cell activation on stimulation with bacterial lipopolysaccharide through Toll-like receptors.
View Article and Find Full Text PDFFront Genet
August 2025
Department of Health and Pharmaceutical Sciences, School of Pharmacy, Universidad San Pablo-CEU, CEU Universities, Madrid, Spain.
Microglial cells are key mediators of ethanol-induced neuroinflammation through the release of proinflammatory cytokines and activation of Toll-like receptors. Recently, the signaling pathway initiated by the interaction of the neurotrophic factors pleiotrophin (PTN) and midkine (MK) with receptor-type protein tyrosine phosphatase β/ζ (RPTPβ/ζ) has emerged as a pharmacological target in ethanol-induced neuroinflammatory and neurodegenerative processes. However, the underlying molecular mechanisms remain unclear.
View Article and Find Full Text PDFiScience
September 2025
Department of Animal Science, University of Connecticut, 1390 Storrs Road, Storrs, CT 06269-4163, USA.
Recent studies suggested that treating sperm with R848, a ligand for the X-linked Toll-like receptors 7 and 8 (TLR7/8) in mice, goats, and cattle, could selectively reduce the motility of X chromosome bearing sperm (X-sperm). This reduction enables the separation of X- and Y-sperm and thereby sex selection. However, through three species and multiple methods, our results challenged prior published data.
View Article and Find Full Text PDFCell Physiol Biochem
September 2025
Department of General Practice, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China, E-Mail:
Background/aims: Ubiquitin D (UBD), a member of the ubiquitin-like modifier (UBL) family, is significantly overexpressed in various cancers and is positively correlated with tumor progression. However, the role and underlying mechanisms of UBD in rheumatoid arthritis (RA) remain poorly understood. This study aimed to investigate the effects of UBD knockdown on the progression of RA.
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