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  4. Gene expression-based chemical genomics identifies potential therapeutic drugs in hepatocellular carcinoma
 
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Gene expression-based chemical genomics identifies potential therapeutic drugs in hepatocellular carcinoma

Journal
PLoS ONE
Journal Volume
6
Journal Issue
11
Pages
e27186
Date Issued
2011
Author(s)
Chen M.-H.
Yang W.-L.R.
Lin K.-T.
Liu C.-H.
Liu Y.-W.
KAI-WEN HUANG  
Chang P.M.-H.
Lai J.-M.
Hsu C.-N.
Chao K.-M.
Kao C.-Y.
Huang C.-Y.F.
DOI
10.1371/journal.pone.0027186
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-80455158366&doi=10.1371%2fjournal.pone.0027186&partnerID=40&md5=5f2bfd185e1330c710dae7652a5b95c5
https://scholars.lib.ntu.edu.tw/handle/123456789/503653
Abstract
Hepatocellular carcinoma (HCC) is an aggressive tumor with a poor prognosis. Currently, only sorafenib is approved by the FDA for advanced HCC treatment; therefore, there is an urgent need to discover candidate therapeutic drugs for HCC. We hypothesized that if a drug signature could reverse, at least in part, the gene expression signature of HCC, it might have the potential to inhibit HCC-related pathways and thereby treat HCC. To test this hypothesis, we first built an integrative platform, the "Encyclopedia of Hepatocellular Carcinoma genes Online 2", dubbed EHCO2, to systematically collect, organize and compare the publicly available data from HCC studies. The resulting collection includes a total of 4,020 genes. To systematically query the Connectivity Map (CMap), which includes 6,100 drug-mediated expression profiles, we further designed various gene signature selection and enrichment methods, including a randomization technique, majority vote, and clique analysis. Subsequently, 28 out of 50 prioritized drugs, including tanespimycin, trichostatin A, thioguanosine, and several anti-psychotic drugs with anti-tumor activities, were validated via MTT cell viability assays and clonogenic assays in HCC cell lines. To accelerate their future clinical use, possibly through drug-repurposing, we selected two well-established drugs to test in mice, chlorpromazine and trifluoperazine. Both drugs inhibited orthotopic liver tumor growth. In conclusion, we successfully discovered and validated existing drugs for potential HCC therapeutic use with the pipeline of Connectivity Map analysis and lab verification, thereby suggesting the usefulness of this procedure to accelerate drug repurposing for HCC treatment. ? 2011 Chen et al.
SDGs

[SDGs]SDG3

Other Subjects
17alpha estradiol; 2 morpholino 8 phenylchromone; 3 (4,5 dimethyl 2 thiazolyl) 2,5 diphenyltetrazolium bromide; 8 azaguanine; alsterpaullone; apigenin; bisacodyl; chlorpromazine; dipyridamole; doxorubicin; entinostat; luteolin; mebendazole; meticrane; neuroleptic agent; oxaprozin; phenoxybenzamine; pronetalol; repaglinide; rottlerin; sulconazole; tanespimycin; thioguanosine; thioridazine; trichostatin A; trifluoperazine; trioxysalen; unindexed drug; vorinostat; withaferin A; chlorpromazine; dopamine receptor blocking agent; trifluoperazine; animal cell; animal experiment; animal model; antineoplastic activity; article; cancer cell culture; cancer chemotherapy; cancer inhibition; cell viability; clonogenic assay; concentration response; controlled study; down regulation; drug determination; drug efficacy; functional genomics; gene expression profiling; gene expression regulation; gene overexpression; genetic selection; liver cell carcinoma; mouse; nonhuman; signal transduction; tumor gene; upregulation; validation process; animal; cell proliferation; drug development; drug effect; drug screening; gene expression regulation; genetics; human; information processing; liver tumor; methodology; nucleic acid database; procedures; validation study; Mus; Animals; Carcinoma, Hepatocellular; Cell Proliferation; Chlorpromazine; Data Collection; Databases, Nucleic Acid; Dopamine Antagonists; Drug Discovery; Drug Evaluation, Preclinical; Gene Expression Profiling; Gene Expression Regulation, Neoplastic; Humans; Liver Neoplasms; Methods; Mice; Trifluoperazine
Type
journal article

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