Consequences of telomerase inhibition by BIBR1532 on proliferation and chemosensitivity of chondrosarcoma cell lines.

Abstract:

PURPOSE:Human chondrosarcomas are generally resistant to conventional treatments like chemotherapy and radiotherapy. We investigated the effects of BIBR1532, an inhibitor of telomerase on chondrosarcoma cells in vitro. METHODS:Telomerase activity, telomere lengths, growth kinetics and chemosensitivity were analyzed in chondrosarcoma cell lines treated with BIBR1532. RESULTS:BIBR1532 treatment resulted in telomerase inhibition, decrease of telomere length and reduction of growth capacity of telomerase positive chondrosarcoma cells. Although resistant to cisplatin, telomerase positive cells were sensitive to paclitaxel, which rapidly induced telomere erosion. CONCLUSION:Targeting of telomeres might represent a valid strategy for the (re-)sensitization of chemoresistant chondrosarcomas.

journal_name

Cancer Invest

journal_title

Cancer investigation

authors

Parsch D,Brassat U,Brümmendorf TH,Fellenberg J

doi

10.1080/07357900802072905

subject

Has Abstract

pub_date

2008-07-01 00:00:00

pages

590-6

issue

6

eissn

0735-7907

issn

1532-4192

pii

794514164

journal_volume

26

pub_type

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