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| http://dx.doi.org/10.1038/sj.bjc.6601353 | DOI Listing |
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Taking a Swing at TIMP1-Armed Immunosuppressive Astrocytes Unleashes T cell Immunity against Brain Metastases.
Cancer Discov
January 2025
School of Medicine, University of Leeds, Leeds, United Kingdom.
Priego and colleagues identify a secreted glycoprotein TIMP1, expressed downstream of the transcription factor STAT3, in a subpopulation of STAT3+ reactive astrocytes as a mediator of immunosuppression in late-stage brain metastases. The STAT3 inhibitor silibinin enhances the preclinical efficacy of the combined PD-1/CTLA4 immune checkpoint blockade, providing a rationale to translate the combination therapy into clinical use for this underserved patient group with poor prognosis. See related article by Priego et al.
View Article and Find Full Text PDFActivation of SIRT1 by SRT1720 alleviates dyslipidemia, improves insulin sensitivity and exhibits liver-protective effects in diabetic rats on a high-fat diet: New insights into the SIRT1/Nrf2/NFκB signaling pathway.
Eur J Pharm Sci
January 2025
Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt. Electronic address:
Insulin resistance and diabetes are associated with non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) conditions, which are distinguished by metabolic dysfunction, oxidative stress and inflammation. Sirtuin 1 (SIRT1), a NAD-dependent deacetylase, is fundamental in regulating metabolic pathways, reducing inflammation, and improving antioxidant defenses. This is the first study to investigate the effects of SRT1720, a SIRT1 activator, in diabetic rats on a high-fat diet.
View Article and Find Full Text PDFTranscoronary study of biomarkers in patients with heart failure: Insights into intracardiac production.
ESC Heart Fail
December 2024
Department of Rehabilitation Medicine, China-Japan Friendship Hospital, Beijing, China.
Aims: Biomarkers are pivotal in the management of heart failure (HF); however, their lack of cardiac specificity could limit clinical utility. This study aimed to investigate the transcoronary changes and intracardiac production of these biomarkers.
Methods: Transcoronary gradients for B-type natriuretic peptide (BNP) and five novel biomarkers-galectin-3 (Gal-3), soluble suppression of tumourigenicity 2 (sST2), tissue inhibitor of metalloproteinase 1 (TIMP-1), growth differentiation factor 15 (GDF-15) and myeloperoxidase (MPO)-were determined using femoral artery (FA) and coronary sinus (CS) samples from 30 HF patients and 10 non-HF controls.
Olive and Linseed Oil Blend-Based Nanoemulsions Fortified With Ginger Extract Nutraceutical: Mitigating Liver Fibrosis Induced by Carbon Tetrachloride by Regulating Oxidative Stress and TGF-β/MMP9 Signaling Pathway in Rats.
Mol Nutr Food Res
January 2025
Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
Liver fibrosis is a significant contributor to global morbidity and mortality, making the identification of non-toxic natural therapies to slow its progression essential. This study evaluated the anti-fibrotic potential of a nutraceutical blend comprising extra virgin olive oil, linseed oil, and ginger extract, formulated in both emulsion and nanoemulsion forms, using a rat model of liver fibrosis. Nanoemulsions were prepared using the ultrasonication technique, and their particle size and stability were analyzed via the DLS method.
View Article and Find Full Text PDFMMP-3 and TIMP-1 as prognostic biomarkers in VZV-induced retinal necrosis.
Front Cell Infect Microbiol
December 2024
Department of Laboratory Medicine, Fudan University Eye Ear Nose and Throat Hospital, Shanghai, China.
Objective: Acute retinal necrosis (ARN) caused by varicella-zoster virus (VZV) is associated with changes in specific proteins in the eye's fluid, particularly matrix metalloproteinase-3 (MMP-3), an enzyme that breaks down tissue structures, and tissue inhibitor of metalloproteinase-1 (TIMP-1), which regulates MMP activity. This study aims to investigate how these proteins correlate with the progression of ARN.
Methods: We analyzed aqueous humor samples from 33 patients with ARN and 23 control patients with virus-negative uveitis.
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