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2018 ; 11
(2
): ä Nephropedia Template TP
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Changing Trends in Computational Drug Repositioning
#MMPMID29874824
Yella JK
; Yaddanapudi S
; Wang Y
; Jegga AG
Pharmaceuticals (Basel)
2018[Jun]; 11
(2
): ä PMID29874824
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Efforts to maximize the indications potential and revenue from drugs that are
already marketed are largely motivated by what Sir James Black, a Nobel
Prize-winning pharmacologist advocated-"The most fruitful basis for the discovery
of a new drug is to start with an old drug". However, rational design of drug
mixtures poses formidable challenges because of the lack of or limited
information about in vivo cell regulation, mechanisms of genetic pathway
activation, and in vivo pathway interactions. Hence, most of the successfully
repositioned drugs are the result of "serendipity", discovered during late phase
clinical studies of unexpected but beneficial findings. The connections between
drug candidates and their potential adverse drug reactions or new applications
are often difficult to foresee because the underlying mechanism associating them
is largely unknown, complex, or dispersed and buried in silos of information.
Discovery of such multi-domain pharmacomodules-pharmacologically relevant
sub-networks of biomolecules and/or pathways-from collection of databases by
independent/simultaneous mining of multiple datasets is an active area of
research. Here, while presenting some of the promising bioinformatics approaches
and pipelines, we summarize and discuss the current and evolving landscape of
computational drug repositioning.