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Discovery and development of neuraminidase inhibitors : ウィキペディア英語版 | Discovery and development of neuraminidase inhibitors
Neuraminidase inhibitors inhibit enzymatic activity of the enzyme neuraminidase (sialidase). These type of inhibitors have been introduced as anti-influenza drugs as they prevent the virus from exiting infected cells and thus stop further spreading of the virus. Neuraminidase inhibitors for human neuraminidase (hNEU) have the potential to be useful drugs as the enzyme plays a role in several signaling pathways in cells and is implicated in diseases such as diabetes and cancer.〔Christopher W. Cairo. (2014) Inhibitors of the human neuraminidase enzymes. ''Med. Chem. Commun''., 2014, 5, 1067.DOI: 10.1039/c4md00089g〕 == History ==
The first neuraminidase Inhibitors (NAIs) were synthesized in 1960s by Edmond et al.,〔Edmond, J. D., Johnston, R. G., Kidd, D., Rylance, H. J. and Sommerville, R. G. (1966) The Inhibition Of Neuraminidase And Antiviral Action. ''Br. J. Pharmacol. Chemother''., 1966, 27: 415–426. doi: 10.1111/j.1476-5381.1966.tb01673.x〕 through an attempt to understand the catalytic mechanism of the neuraminidase enzyme. They discovered that N-substituted oxamic acids had enzyme inhibitory properties. Then it was found that the synthetic compound 2-deoxy-2,3-didehydro-N-acetylneuraminic acid (Neu5Ac2en or DANA) which is an analogue of N-acetylneuraminic acid (Neu5Ac), inhibits the release of virus progeny in tissue culture but no antiviral activity in animals was detected.〔Kim, Choung U, Xiaowu Chen, and Dirk B Mendel. Neuraminidase inhibitors as anti-influenza virus agents. ''Antiviral chemistry & chemotherapy'' 10.4 (1999): 41-154〕〔von Itzstein, Mark. The war against influenza: discovery and development of sialidase inhibitors. ''Nature reviews Drug discovery'' 6.12 (2007): 967-974〕 In early 1990s, the determination of biological crystal structure of influenza virus surface protein led to the discovery of the active site and provided the opportunities to discover and design new and specific inhibitors.
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