Comparison of Synthetic DNA Templates with Authentic cDNA Templates in Terms of Quantification by Real-Time Quantitative Reverse Transcription Polymerase Chain Reaction
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- Moriya Yuka
- Department of Hospital Pharmacy, School of Medicine, Kobe University
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- Nakamura Tsutomu
- Department of Hospital Pharmacy, School of Medicine, Kobe University
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- Okamura Noboru
- Department of Clinical Evaluation of Pharmacotherapy, Kobe University Graduate School of Medicine
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- Sakaeda Toshiyuki
- Department of Hospital Pharmacy, School of Medicine, Kobe University
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- Horinouchi Masanori
- Department of Hospital Pharmacy, School of Medicine, Kobe University
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- Tamura Takao
- Division of Diabetes, Digestive and Kidney Diseases, Department of Clinical Molecular Medicine, Kobe University Graduate School of Medicine
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- Aoyama Nobuo
- Department of Endoscopy, School of Medicine, Kobe University
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- Kasuga Masato
- Division of Diabetes, Digestive and Kidney Diseases, Department of Clinical Molecular Medicine, Kobe University Graduate School of Medicine
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- Okumura Katsuhiko
- Department of Hospital Pharmacy, School of Medicine, Kobe University Department of Clinical Evaluation of Pharmacotherapy, Kobe University Graduate School of Medicine
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Synthetic DNA templates were compared with authentic cDNA templates as standards for the real-time quantitative reverse transcription-polymerase chain reaction (RT-PCR). The single-stranded DNA template used here targeted the multidrug resistant transporter P-glycoprotein/MDR1. The double-stranded DNA template, targeting glyceraldehyde-3-phosphate dehydrogenase (GAPDH), was synthesized using an exonuclease-free large fragment E. coli DNA polymerase I. The human colon carcinoma cell line Caco-2 and human duodenum biopsies were used to prepare the authentic cDNA templates. The standard lines were comparable for the synthetic DNA templates and authentic cDNA templates. Long-term cryopreservation at −80 °C resulted in the destabilization of the synthetic single-stranded DNA template compared with the authentic cDNA templates in the case of MDR1, whereas for GAPDH, the stability of the synthetic double-stranded DNA template was comparable with that of the authentic cDNA templates. Even for the synthetic DNA templates, repetitive freeze-thawing resulted in destabilization, especially at lower concentrations, and degradation products might have interfered with the RT-PCR's efficiency. The synthetic DNA templates are better than the authentic cDNA templates, but more than 5 cycles of repetitive freeze-thawing should be avoided.
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 29 (3), 535-538, 2006
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204624513792
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- NII論文ID
- 110005602138
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- NII書誌ID
- AA10885497
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 7830447
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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