نتایج جستجو برای: binding activity
تعداد نتایج: 1458554 فیلتر نتایج به سال:
The expression of heat shock protein 27 (Hsp27) as a chaperone protein, is increased in response to various stress stimuli such as anticancer chemotherapy. This phenomenon can lead to survive of the cells and causes drug resistance. In this study, a series of methanesulfonamide derivatives as dual Hsp27 and tubulin inhibitors in the treatment of cancer were applied to quantitative structure–act...
This paper describes smart sampling to be used for bottom-up protein analysis. Four different manners immobilize trypsin on cellulose were evaluated. Untreated paper, potassium-periodate-functionalized (with and without post-immobilization reduction) 2-hydroxyethyl methacrylate (HEMA)/2-vinyl-4,4-dimethylazlactone (VDM)-functionalized all trypsin. For the evaluation, Coomassie Brilliant Blue st...
Background: Human epidermal growth factor receptor 2 (HER2) has a crucial role in several malignancies. The extracellular domain of HER2 (HER2-ECD) has been extensively employed as an important target in passive and active immunotherapy. Isolated recombinant prokaryotic HER2-ECD subdomains were previously found to be ineffective in inducing anti-tumor antibody response. Objective: To employ rec...
Background and purpose: Chalcones are promising lead for anticancer drug design and discovery. Chalcones with different mechanisms including tubulin polymerization inhibition induce apoptosis in cancer cells. The aim of current work was synthesis of two indole-chalcone derivatives and investigation of their cytotoxic activity against cancer and normal cell lines, as well as molecular docking st...
Background and objectives: Interaction of compounds with ct-DNA can affect the replication, protein synthesis and cell division. Different species of the genus Ferula (Apiaceae) have shown various biomedical applications for many centuries. Biological features of this genus such as cytotoxicity, antibacterial, antiviral, P-glycoprotein (P-gp) inhibitory and antiinflamm...
Background: Androgen receptor (AR) plays a critical role in prostate cancer and male sexual differentiation.Mechanisms by which AR acts and regulations of AR nucleocytoplasmic shuttling are not understood well. Materials and Methods: Degenerate PCR and RACE Cloning of AR Gene; Phylogenetic Analysis and Molecular Modeling;Real-time Fluorescent Quantitative RT-PCR; Northern Blot Hybridization;In ...
Prevotella nigrescens, lacking siderophores was found to bind to the hemoproteins. The binding was observed also in the envelope which was prepared by sonication of the cell. The binding occurred in the pH-dependent manner; the binding was observed below neutral pHs of the incubation mixtures but only slightly observed in the neutral and alkaline pHs. Furthermore, hemoglobin bound to the envelo...
Introduction: Differentiation between infection and sterile inflammation is one of the most difficult medical problems and is relevant in many clinical situations. Scintigraphy with radiolabeled antibiotics, еspecially labeled fluoroquinolones, is a promising tool for diagnosing bacterial inflammation. We have attempted to synthesize 99mTc-norfloxacin and studied its properties in ex...
The anaerobic bacterium Chrysiogenes arsenatis respires using the oxyanion arsenate (AsO43–) as terminal electron acceptor, where it is reduced to arsenite (AsO33–) while concomitantly oxidizing various organic (e.g., acetate) donors. This respiratory activity catalyzed in periplasm of by enzyme reductase (Arr), with expression controlled a sensor histidine kinase (ArrS) and periplasmic-binding...
tranexamic acid is generally used in the treatment of disorders that predispose one to bleeding. it is a synthetic lysine analog that has strong antifibrinolytic activity. plasminogen binds to fibrin to form plasmin, which in turn degrades fibrin into fibrin degradation products. tranexamic acid blocks the lysine binding site on plasminogen and prevents interaction with fibrin. tranexamic acid ...
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