Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/115000
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dc.titleAntisense telomerase induced cell growth inhibition, cell cycle arrest and telomerase activity down-regulation in gastric and colon cancer cells
dc.contributor.authorWong, S.C.H.
dc.contributor.authorYu, H.
dc.contributor.authorMoochhala, S.M.
dc.contributor.authorSo, J.B.Y.
dc.date.accessioned2014-12-12T07:09:47Z
dc.date.available2014-12-12T07:09:47Z
dc.date.issued2003-01
dc.identifier.citationWong, S.C.H.,Yu, H.,Moochhala, S.M.,So, J.B.Y. (2003-01). Antisense telomerase induced cell growth inhibition, cell cycle arrest and telomerase activity down-regulation in gastric and colon cancer cells. Anticancer Research 23 (1 A) : 465-469. ScholarBank@NUS Repository.
dc.identifier.issn02507005
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115000
dc.description.abstractBackground: Antisense telomerase RNA (anti-hTR) coupled with 2′, 5′-linked tetraadenylate (2-5A) shows an inhibitory effect on cell growth and induces apoptosis in certain kinds of cancer. This experiment examined the anti-hTR effect on gastric and colorectal cancer cells. Materials and Methods: Gastric cancer cells CRL-5822, CRL-5971 and colorectal cancer cells HTB-38, CCL-247 were treated with repeated doses of anti-hTR. Cell growth and cell cycle parameters were analysed. Telomerase activity was measured by TRAP assay. Control oligonucleotides and normal fibroblast were used as control. Results: After two doses of anti-hTR, the cell viability for CRL-5822, CRL-5971, HTB-38 and CCL-247 cells was reduced to 15%, 12%, 37% and 37%, respectively. The DNA histogram showed cells arrested at the G2 / M - phase and the sub-G1 peak found indicated that apoptosis had occurred. Conclusion: Anti-hTR demonstrated inhibition of cell growth and cell cycle arrest on gastric and colorectal cancer cells through a telomerase regulation pathway. Its specificity towards cancerous tissues but not normal tissues suggested a potential for anti-cancer therapy.
dc.sourceScopus
dc.subjectAntisense telomerase
dc.subjectApoptosis
dc.subjectCell cycle arrest
dc.subjectTelomerase activity
dc.typeArticle
dc.contributor.departmentNATIONAL UNIVERSITY MEDICAL INSTITUTES
dc.description.sourcetitleAnticancer Research
dc.description.volume23
dc.description.issue1 A
dc.description.page465-469
dc.description.codenANTRD
dc.identifier.isiutNOT_IN_WOS
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