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Quantitative analysis of mRNA amplification by in vitro transcription
Open accessAbstract
Effective transcript profiling in animal systems requires isolation of homogenous tissue or cells followed by faithful mRNA amplification. Linear amplification based on cDNA synthesis and in vitro transcription is reported to maintain representation of mRNA levels, however, quantitative data demonstrating this as well as a description of inherent limitations is lacking. We show that published protocols produce a template-independent product in addition to amplifying real target mRNA thus reducing the specific activity of the final product. We describe a modified amplification protocol that minimizes the generation of template-independent product and can therefore generate the desired microgram quantities of message-derived material from 100 ng of total RNA. Application of a second, nested round of cDNA synthesis and in vitro transcription reduces the required starting material to 2 ng of total RNA. Quantitative analysis of these products on Caenorhabditis elegans Affymetrix GeneChips shows that this amplification does not reduce overall sensitivity and has only minor effects on fidelity.
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Theoretical uncertainty of measurements using quantitative polymerase chain reaction
Peccoud, J., & Jacob, C. (1996) · Biophysical Journal · doi:10.1016/s0006-3495(96)79205-6 · Cited by 170
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Irizarry, R. A. (2003) · Nucleic Acids Research · doi:10.1093/nar/gng015 · Cited by 4,887
CEL-seq: single-cell RNA-seq by multiplexed linear amplification
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Su, A. I., Pezacki, J. P., Wodicka, L., Brideau, A. D., Supekova, L., Thimme, R., Wieland, S., Bukh, J., Purcell, R. H., Schultz, P. G., et al. (2002) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.202608199 · Cited by 1,161
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Metadata
- Authors
- Baugh, L. R.
- Venue
- Nucleic Acids Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2001-03-01
- Volume
- 29
- Issue
- 5
- Pages
- 29e-29
- ISSN
- 0305-1048 (ISSN-L)
- 1362-4962
- OpenAlex
- W2123248953
- Cited by
- 498
- References
- 1
- FWCI
- 17.59
- Type
- journal article
- Language
- en
- Open access
- green
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