One specific group of MMPs; gelatinases A (MMP-2) and B (MMP-9) are of precise interest in view of the development and progression of cancer. In the current work, an attempt was made to investigate the enzymatic inhibitory activity of Kutkin (KT), Kutkoside (KS), and Picroside I (PS) by inhibition assay and to further check the downregulation of the expression of mRNA levels of MMP-2 and -9. Further in silico docking studies were performed to investigate the interaction of KT, KS and PS with MMP-2 and MMP-9.
View Article and Find Full Text PDFMatrix metalloproteinase-9 (MMP-9), also known as gelatinase B, is a MMP that is strongly associated with multiple cellular processes including proliferation, angiogenesis, and metastasis. Various studies have shown that N-hydroxy-α-phenylsulfonylacetamide (HPSAs) derivatives are promising and selective for the MMP-9 inhibition. In the present study, we have selected and reported 80 HPSAs derivatives as inhibitors of MMP-9 and performed structure-based 3-dimensional quantitative structure-activity relationship (3D-QSAR) studies to elucidate the important structural elements responsible for binding affinity.
View Article and Find Full Text PDFLung cancer is the notable cause of cancer associated deaths worldwide. Recent studies revealed that the expression of matrix metalloproteinases (MMPs) is extremely high in lung tumors compared with non-malignant lung tissue. MMPs (-2 and -9) play an important part in tumor development and angiogenesis, which suggests that creating potent MMP-2 and -9 inhibitors, should be an important goal in lung cancer therapy.
View Article and Find Full Text PDFObjective: To study the isolation and characterization of the constituent responsible for the cytotoxic activity of the ethanolic extract of stem of Capparis decidua (C. decidua).
Methods: The preliminary cytotoxic effect of isolated compound (β-Sitosterol triacontenate) was investigated by MTT assay on A549 solid tumor cells.
In this article we report our work on the isolation, characterisation and evaluation of in vitro anticancer activity of stachydrine on solid tumour cells. The in vitro activity was assessed by MTT assay and propidium iodide (PI) staining. Further, an attempt was also made to check the effect of stachydrine on the invasion and metastasis of cancer cells by inhibiting the expression of chemokine receptors (CXCR3 and CXCR4).
View Article and Find Full Text PDFInflamm Allergy Drug Targets
July 2009
Flavonoids are polyphenolic compounds that occur ubiquitously in plants having a variety of biological effects both in vitro and in vivo. They have been found to have antimicrobial, antiviral, anti-ulcerogenic, cytotoxic, anti-neoplastic, mutagenic, antioxidant, antihepatotoxic, antihypertensive, hypolipidemic, antiplatelet and anti-inflammatory activities. Flavonoids also have biochemical effects, which inhibit a number of enzymes such as aldose reductase, xanthine oxidase, phosphodiesterase, Ca(+2)-ATPase, lipoxygenase, cycloxygenase, etc.
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