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| http://dx.doi.org/10.1093/ajh/hpaa191 | DOI Listing |
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Secondary metabolites of Alternaria alternate appraisal of their SARS-CoV-2 inhibitory and anti-inflammatory potentials.
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This study identifies the secondary metabolites from Alternaria alternate and evaluates their ACE-2: Spike RBD (SARS-CoV-2) inhibitory activity confirmed via immunoblotting in human lung microvascular endothelial cells. In addition, their in vitro anti-inflammatory potential was assessed using a cell-based assay in LPS-treated RAW 264.7 macrophage cells.
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SARS-CoV-2, the causative virus of COVID-19, increases the risk of pregnancy complications including hypertensive disorders and placental inflammation. The spike glycoprotein mediates viral cell entry by interacting with the angiotensin-converting enzyme (ACE)2 in conjunction with the transmembrane serine protease 2 (TMPRSS2). ACE1, ACE2 and renin are components of the renin-angiotensin system (RAS), which regulates blood pressure.
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During the coronavirus disease (COVID)-19 pandemic several drugs were used to manage the patients mainly those with a severe phenotype. Potential drugs were used off-label and major concerns arose from their applicability to managing the health crisis highlighting the importance of clinical trials. In this context, we described the mechanisms of the three repurposed drugs [Ivermectin-antiparasitic drug, Chloroquine/Hydroxychloroquine-antimalarial drugs, and Azithromycin-antimicrobial drug]; and, based on this description, the study evaluated the clinical efficacy of those drugs published in clinical trials.
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Bezmialem Vakıf University, Faculty of Medicine, Department of Medical Biochemistry, Istanbul, Turkey.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) poses ongoing global health challenges due to its propensity for mutations, which can undermine vaccine efficacy. With no definitive treatment available, urgent research into affordable and biocompatible therapeutic agents is extremely urgent. Angiotensin converting enzyme-2 (ACE-2), transmembrane protease serine subtype 2 (TMPRSS2), and Furin enzymes, which allow the virus to enter cells, are particularly important as potential drug targets among scientists.
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