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[Mechanism of Colquhounia Root Tablets in inhibiting osteoclast differentiation based on HSP90 target modulation].
Zhongguo Zhong Yao Za Zhi
December 2024
Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing 100700, China.
This study aimed to investigate the potential role of Colquhounia Root Tablets against bone destruction in rheumatoid arthritis(RA) and its molecular mechanism. The study used ultra-performance liquid chromatography-mass spectrometry to analyze the major components of Colquhounia Root Tablets and predicted its candidate target gene set based on the major components. The key targets of RA bone destruction were obtained through GeneCards and the Database of Genetics and Medical Literature(OMIM), protein-protein interaction(PPI) network was constructed, and the key targets were identified by topological analysis.
View Article and Find Full Text PDFTumor cell-derived N-acetyl-aspartyl-glutamate reshapes the tumor microenvironment to facilitate breast cancer metastasis.
Sci Bull (Beijing)
December 2024
Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences; State Key Laboratory of Genetic Engineering; Cancer Institutes; Department of Oncology; Key Laboratory of Breast Cancer in Shanghai; The Shanghai Key Laboratory of Medical Epigenetics; Shanghai Key Laboratory of Radiation Oncology; The International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology; Shanghai Medical College; Fudan University, Shanghai 200032, China; Jinfeng Laboratory, Chongqing 401329, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing 211166, China. Electronic address:
Neurotransmitters are increasingly recognized to play important roles in limiting anti-tumor immunity. N-acetyl-aspartyl-glutamate (NAAG) has been extensively studied in neurological disorders; however, its potential role in restricting anti-tumor immunity has not been investigated. Here, we demonstrated that NAAG or its synthetase RimK-like family member B (RIMKLB) significantly disrupted anti-tumor immunity by rewiring the myeloid progenitor differentiation of polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs), which in turn promoted breast cancer growth and metastasis.
View Article and Find Full Text PDFWeakened Airway Epithelial Junctions and Enhanced Neutrophil Elastase Release Contribute to Age-Dependent Bacteremia Risk Following Pneumococcal Pneumonia.
Aging Cell
January 2025
Department of Molecular Biology and Microbiology, Tufts University School of Medicine, Boston, MA, USA.
Streptococcus pneumoniae (Sp; pneumococcus), the most common agent of community-acquired pneumonia, can spread systemically, particularly in the elderly, highlighting the need for adjunctive therapies. The airway epithelial barrier defends against bacteremia and is dependent upon apical junctional complex (AJC) proteins such as E-cadherin. After mouse lung challenge, pneumolysin (PLY), a key Sp virulence factor, stimulates epithelial secretion of an inflammatory eicosanoid, triggering the infiltration of polymorphonuclear leukocytes (PMNs) that secrete high levels of neutrophil elastase (NE), thus promoting epithelial damage and systemic infection.
View Article and Find Full Text PDFProton pump inhibitor effect on macrophage and neutrophil function: a systematic review.
Front Immunol
January 2025
College of Pharmacy, University of Houston, Houston, TX, United States.
Background: Proton pump inhibitors (PPIs) are one of the most used drugs worldwide. While generally considered safe, the usage of PPIs is associated with several adverse outcomes including acute infectious diseases. PPIs influence macrophage and neutrophil function although a systematic review has never been undertaken.
View Article and Find Full Text PDFIncreased Adhesiveness of Blood Cells Induced by Mercury Chloride: Protective Effect of Hydroxytyrosol.
Antioxidants (Basel)
December 2024
Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain.
Mercury (Hg) is a highly toxic environmental contaminant that can harm human health, ultimately leading to endothelial dysfunction. Hg toxicity is partially mediated by the exposure of the cell membrane's surface of erythrocytes (RBCs) to phosphatidylserine (PS). In the context of these challenges, hydroxytyrosol, a phenolic compound of olive oil, has the ability to mitigate the toxic effects of Hg.
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