Facile Assay of Telomerase Activity Utilizing a DNA-detectable Chemiluminogenic Reagent
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- TONOOKA Keiko
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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- KABASHIMA Tsutomu
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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- SHIBATA Takayuki
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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- TANG Chenhong
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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- YU Zhiqiang
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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- KAI Masaaki
- Faculty of Pharmaceutical Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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抄録
Telomerase shows increased activity in most human cancers and germ line cells, but not in normal human somatic cells. We describe a novel chemiluminescence method for the facile assay of telomerase activity in human cells. The telomerase substrate was incubated with the cell lysate containing various amounts of telomerase, and then the telomerase product was amplified by the polymerase-chained reaction (PCR). The PCR products were separated from the excess substrate, primer and deoxyribonucleotide triphosphates by a centrifugal filter, which distinguished different molecular sizes. The isolated products were reacted with a DNA-detectable chemiluminogenic reagent, 3,4,5-trimethoxyphenylglyoxal. The proposed assay method gave linearity for the telomerase activity in 100 to 10000 cells (r2 = 0.997), and allowed the assay not only of lower activity, but also of higher activity of telomerase without the requirement of any special labeled-PCR primers in the assay system.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 24 (4), 471-475, 2008
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679232910080
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- NII論文ID
- 10021099521
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- HANDLE
- 10069/18702
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- NDL書誌ID
- 9452076
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- Web Site
- https://nagasaki-u.repo.nii.ac.jp/records/19369
- http://id.ndl.go.jp/bib/9452076
- https://ndlsearch.ndl.go.jp/books/R000000004-I9452076
- https://link.springer.com/content/pdf/10.2116/analsci.24.471.pdf
- https://link.springer.com/article/10.2116/analsci.24.471/fulltext.html
- http://www.jstage.jst.go.jp/article/analsci/24/4/24_4_471/_pdf
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- 本文言語コード
- en
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