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Pharmacological synergism of 2,2-dichloroacetophenone and EGFR-TKi to overcome TKi-induced resistance in NSCLC cells
Yang, Zheng; Hu, Xiaohui; Zhang, Shaolin; Zhang, Wen; Tam, Kin Yip
2017-11-15
Source PublicationEUROPEAN JOURNAL OF PHARMACOLOGY
ISSN0014-2999
Volume815Pages:80-87
Abstract

Combination treatment has been used as one of the therapeutic approaches for patients suffering from lung cancer, either to cope with the issue of acquired drug resistance due to prolong the use of a particular EGFR-TKi treatment, or to decrease the doses of each compound in order to reduce potential toxicity. 2,2-dichloroacetophenone (DAP) was reported as a PDK inhibitor recently, which is much more potent than dichloroacetate (DCA) in anti-cancer therapy. In this study, we applied DAP in combined with EGFR-TKis, erlotinib or gefitinib in NSCLC cell lines and NSCLC xenograft model. Synergistic anti-cancer effects in two NSCLC cell lines with EGFR mutation, NCI-H1975 and NCI-H1650, as well as in NCI-H1975 xenograft model were observed. In comparison with either DAP or EGFR-TKi applied alone, the combination treatment not only further suppressed the EGFR signaling in vitro and in vivo, but also significantly promoted cell apoptosis. Interestingly, this synergistic anti-cancer effect was also observed in NCI-H1975 gefitinib induced-resistant cell line. Taken together, our results suggested that the combined use of DAP and EGFR-TKi exhibited anti-cancer synergy which may offer an additional treatment option for patients with EGFR-TKi induced-resistance.

KeywordSynergism Dichloroacetophenone Dichloroacetate Egfr Apoptosis Acquired Resistance
DOI10.1016/j.ejphar.2017.08.037
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaPharmacology & Pharmacy
WOS SubjectPharmacology & Pharmacy
WOS IDWOS:000413780700011
PublisherELSEVIER SCIENCE BV
The Source to ArticleWOS
Fulltext Access
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Corresponding AuthorTam, Kin Yip
AffiliationFaculty of Health Sciences, University of Macau, Taipa, Macau, China.
First Author AffilicationFaculty of Health Sciences
Corresponding Author AffilicationFaculty of Health Sciences
Recommended Citation
GB/T 7714
Yang, Zheng,Hu, Xiaohui,Zhang, Shaolin,et al. Pharmacological synergism of 2,2-dichloroacetophenone and EGFR-TKi to overcome TKi-induced resistance in NSCLC cells[J]. EUROPEAN JOURNAL OF PHARMACOLOGY,2017,815:80-87.
APA Yang, Zheng,Hu, Xiaohui,Zhang, Shaolin,Zhang, Wen,&Tam, Kin Yip.(2017).Pharmacological synergism of 2,2-dichloroacetophenone and EGFR-TKi to overcome TKi-induced resistance in NSCLC cells.EUROPEAN JOURNAL OF PHARMACOLOGY,815,80-87.
MLA Yang, Zheng,et al."Pharmacological synergism of 2,2-dichloroacetophenone and EGFR-TKi to overcome TKi-induced resistance in NSCLC cells".EUROPEAN JOURNAL OF PHARMACOLOGY 815(2017):80-87.
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