The emergence of tuberculosis is at the peak; therefore to station it at its lower level we hereby try bioinformatics approach against Mycobacterium tuberculosis [M. tuberculosis] pathogenesis. Rv3906c is a conserved hypothetical gene of M. tuberculosis and contains many GTP binding protein motif DXXG which demonstrate that this gene might be processed in a GTP binding or in GTP hydrolyzing manner. This gene shows interaction with its adjacent genes as well as pcnA which is a polymerase and localized in the extracellular region and found to be a soluble protein. Rv3906c has binding pockets for calcium atom at various positions which prove that calcium might have some role during the process of this gene. GTP binding protein motif DXXG is present in various positions and calcium binds at this site with a C-score of 0.25. Mutational analysis on this motif shows the large decrease of stability after mutation of aspartate residue with glycine. Stress conditions like pH and temperature also change stability of the protein. A decrease in stability at this position might play a role in inhibition of survival of the pathogen. These computational studies of this gene might be a successful step towards drug development against tuberculosis.
Mycobacterium tuberculosis, the causative agent of tuberculosis is now causing death of more than 10 million people. Because of the development of drug-resistant TB, drug delivery to the infected site through nanoparticle had been studied for long time. Nanoparticles indicate different sorts of association with the natural particles of the body. Nanoparticles can be used as controlled or specific drug delivery system. It can be through temporal controlled or can be distribution controlled. Glucose polymer-based nanoparticles might play an important role as drug delivery system in case of targeted drug delivery in the infected site of the body or in infected macrophages, as they are biodegradable so there should not be any side effects of these particles in the body and also they show very slow immune response. CD4, Beta 1, TGFb-1, IL-2, IL-13 SEC14L1, GUSB, BPI, and CCR7 are major biomarkers secreted after infection of this bacterium by the macrophages which can be used for targeted drug delivery in infected macrophages. As these markers can be used for delivery of drugs at destined position, they can be very beneficial in reducing toxicities of antituberculer drugs to the other uninfected sites and in operating only the infected macrophages.
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