Gadolinium complex of DO3A-benzothiazole aniline (BTA) conjugate as a theranostic agent.

Abstract:

:A gadolinium complex of 1,4,7,10-tetraazacyclododecane-1,4,7-trisacetic acid (DO3A) and benzothiazole-aniline (BTA) of the type [Gd(DO3A-BTA)(H2O)] has been prepared for use as a single molecule theranostic agent. The kinetic inertness and r1 relaxivity (= 3.84 mM(-1) s(-1)) of the complex compare well with those of structurally analogous Gd-DOTA. The same complex is not only tumor-specific but also intracellular, enhancing MR images of cytosols and nuclei of tumor cells such as MCF-7, MDA-MB-231, and SK-HEP-1. Both DO3A-BTA and Gd(DO3A-BTA) reveal antiproliferative activities as demonstrated by GI50 and TGI values obtainable from the cell counting kit-8 (CCK-8) assays performed on these cell lines. Ex vivo and in vivo monitoring of tumor sizes provide parallel and supportive observations for such antiproliferative activities.

journal_name

J Med Chem

authors

Kim HK,Kang MK,Jung KH,Kang SH,Kim YH,Jung JC,Lee GH,Chang Y,Kim TJ

doi

10.1021/jm401206t

subject

Has Abstract

pub_date

2013-10-24 00:00:00

pages

8104-11

issue

20

eissn

0022-2623

issn

1520-4804

journal_volume

56

pub_type

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