Abstract:
:Acquired resistance leads to the failure of EGFR TKIs in NSCLC treatment. A novel series of hydroxamic acid-containing 4-aminoquinazoline derivatives as irreversible ErbB/HDAC multitargeted inhibitors for NSCLC therapy had been designed and synthesized, which displayed weak anti-proliferative activity in several EGFR wild-type cancer cell lines (NCI-H838, SK-BR-3, A549, A431) yet retained moderate activity to EGFRT790M resistance mutation harboring NCI-H1975 cells. The mechanistic studies revealed that the representative compound 11e was able to inhibit the phosphorylation of EGFR, up-regulate hyperacetylation of histone H3 and even reduce the expression of EGFR and Akt in NCI-H1975 cells. In further assays, compound 11e also showed moderate anti-proliferative activity in other EGFRT790M harboring tumor cell lines (NCI-H820, Ba/F3_EGFR_Del19-T790M-C797S) and low toxicities in normal cell lines (HL-7702, FHC). This selectivity of designed multitargeted compounds could serve as a potential strategy to circumvent multiple mechanisms of acquired resistance to EGFR-targeted therapy without severe toxicities and side effects resulting from broad inhibition.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Zhao L,Fan T,Shi Z,Ding C,Zhang C,Yuan Z,Sun Q,Tan C,Chu B,Jiang Ydoi
10.1016/j.ejmech.2021.113173subject
Has Abstractpub_date
2021-01-18 00:00:00pages
113173eissn
0223-5234issn
1768-3254pii
S0223-5234(21)00022-2journal_volume
213pub_type
杂志文章abstract::Synthesis of the naturally occurred C- and O-prenylated tetrahydroxystilbenes and O-prenylated cinnamates was carried out by decarbonylative Heck reaction and selenium dioxide catalysed oxidation, respectively. In the decarbonylative Heck synthetic route, fusion of benzoyl chloride and styrene derivatives was catalyse...
journal_title:European journal of medicinal chemistry
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journal_title:European journal of medicinal chemistry
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journal_title:European journal of medicinal chemistry
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journal_title:European journal of medicinal chemistry
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