Several people and various organizations have contributed to this study. While it may not be possible to include all here, we would like to mention a few.
Turmeric is dried rhizome of the perennial herbs curcumalonga. It is called Haldi in Hindi, turmeric in English, ukon in Japanese. It has been used in Asian Medicine since the second millennium BC. It's utility is referred to in the ancient Hindu script the Ayurveda. Pathogenesis of the OLP should be taken in consideration for the treatment point of view. The Cell mediated immunity to secondary antigenic change in oral mucous membrane is thought to play a major role in its pathogenesis modified keratocyte surface antigens are the primary target for cytotoxic cellular response. Curcumin also been shown to have immune modulatory effect involving activation of host macrophages and natural killer cells and modulation of lymphocytes mediated function.
In addition to inhibiting proliferation and causing enlargement of bovine pulmonary artery endothelial cells in culture, porcine platelet transforming growth factor-beta 1 (TGF-beta 1) (2 ng/ml) lowered glutathione (GSH) of these cells by 48% after 96 h in culture when GSH levels were normalized for cell counts. This lowering of cellular GSH was more marked when corrections were made for approximated cell volume. TGF-beta 1 produced only moderate inhibition of pulmonary artery smooth muscle cell proliferation and did not significantly reduce the GSH content of these cells, even at concentrations as high as 8 ng/ml. Elevation of GSH of endothelial cells above control levels by 0.05 mM diethylmaleate or 1 mM cystine prevented the inhibition of cellular proliferation produced by TGF-beta 1. Lowering cellular GSH levels by approximately 85% for 24 to 72 h with 0.01 mM buthionine sulfoximine (BSO) in the absence of TGF-beta 1 had no effect on proliferation or size of the endothelial cells. However, 0.01 mM BSO potentiated the inhibitory effect of TGF-beta 1 on endothelial cell proliferation and in combination with TGF-beta 1 caused cellular detachment at low endothelial cell densities. Thus, although TGF-beta 1 lowers the level of endothelial cellular GSH, this in itself does not appear to account for the inhibition of proliferation and enlargement of these cells produced by TGF-beta 1. Rather, the combination of another unidentified action of TGF-beta 1 in the presence of reduced cellular GSH likely accounts for these effects.
MicroRNAs (miRNAs) are well-known as key regulators of diverse biological pathways. A series of experimental evidences have shown that abnormal miRNA expression profiles are responsible for various pathophysiological conditions by modulating genes in disease associated pathways. In spite of the rapid increase in research data confirming such associations, scientists still do not have access to a consolidated database offering these miRNA-pathway association details for critical diseases. We have developed miRwayDB, a database providing comprehensive information of experimentally validated miRNA-pathway associations in various pathophysiological conditions utilizing data collected from published literature. To the best of our knowledge, it is the first database that provides information about experimentally validated miRNA mediated pathway dysregulation as seen specifically in critical human diseases and hence indicative of a cause-and-effect relationship in most cases. The current version of miRwayDB collects an exhaustive list of miRNA-pathway association entries for 76 critical disease conditions by reviewing 663 published articles. Each database entry contains complete information on the name of the pathophysiological condition, associated miRNA(s), experimental sample type(s), regulation pattern (up/down) of miRNA, pathway association(s), targeted member of dysregulated pathway(s) and a brief description. In addition, miRwayDB provides miRNA, gene and pathway score to evaluate the role of a miRNA regulated pathways in various pathophysiological conditions. The database can also be used for other biomedical approaches such as validation of computational analysis, integrated analysis and prediction of computational model. It also offers a submission page to submit novel data from recently published studies. We believe that miRwayDB will be a useful tool for miRNA research community. Database URL: http://www.mirway.iitkgp.ac.in
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