Synthesis and biological evaluation of pyrrolo[2,3-b]pyridine analogues as antiproliferative agents and their interaction with calf thymus DNA.

Abstract:

:A series of thirty two novel pyrrolo[2,3-b]pyridine analogues synthesized, characterized ((1)H NMR, (13)C NMR and MS) and cytotoxic evaluation of these molecules carried out over a panel of three human cancer cell lines including A549 (lung cancer), HeLa (cervical cancer) and MDA MB-231 (breast cancer), using sulforhodamine B assay method. Few molecules such as 5c, 5d, 5e, 5h, 5k, 5m, 5n, 5q, 5r, 7f, 7j, 7g and 7k exhibited maximum growth inhibitory action against the tested cancer cell lines at lower micro molar concentration. Noticeably, compounds exhibited good growth inhibition in all three cancer cell lines in the range of 0.12 μM-9.84 μM. Further study exposed that one of the active compound 5d could efficiently intercalate into calf thymus DNA to form 5d-DNA complex which might block DNA replication to influence their antiproliferative activity. The molecular interactions of all the synthesized analogs were also supported by molecular docking simulations. We believe that further optimization of these compounds will lead to potential anticancer agents.

journal_name

Eur J Med Chem

authors

Narva S,Chitti S,Bala BR,Alvala M,Jain N,Kondapalli VG

doi

10.1016/j.ejmech.2016.02.059

subject

Has Abstract

pub_date

2016-05-23 00:00:00

pages

220-31

eissn

0223-5234

issn

1768-3254

pii

S0223-5234(16)30149-0

journal_volume

114

pub_type

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