Abstract:
:Experimental large-scale screens for drug repositioning are limited by restriction to in vitro conditions and lack of applicability to real human conditions. Here, we developed an in silico screen in human in vivo conditions using a reference of single gene mutations' non-tissue-specific "core transcriptome signatures" (CSs) of 8,476 genes generated from the TCGA database. We developed the core-signature drug-to-gene (csD2G) software to scan 3,546 drug treatment profiles against the reference signatures. csD2G significantly outperformed conventional cell line-based gene perturbation signatures and existing drug-repositioning methods in both coverage and specificity. We highlight this with 3 demonstrated applications: (1) repositioned category of psychiatric drugs to inhibit the TGF-β pathway; (2) antihypertensive calcium channel blockers predicted to activate AMPK and inhibit AKT pathways, and validated by clinical electronic medical records; and (3) 7 drugs predicted and validated to selectively target the AKT-FOXO and AMPK pathways and thus regulate worm lifespan.
journal_name
Cell Repjournal_title
Cell reportsauthors
Xu C,Ai D,Shi D,Suo S,Chen X,Yan Y,Cao Y,Zhang R,Sun N,Chen W,McDermott J,Zhang S,Zeng Y,Han JJdoi
10.1016/j.celrep.2018.09.031subject
Has Abstractpub_date
2018-10-09 00:00:00pages
523-535.e5issue
2issn
2211-1247pii
S2211-1247(18)31461-Xjournal_volume
25pub_type
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