| 摘要 |
The present teachings provide methods, compositions, and kits for reverse transcribing and amplifying small nucleic acids such as micro RNAs. In some embodiments, the present teachings provide methods of forming micro RNA signatures from single cells, including stem cells. In some embodiments, the present teachings provide methods for determining the identity and/or purity of cells. The present employ performing a multiplexed reverse transcription reaction comprising stem-loop reverse transcription primers, which optionally undergoes temperature cycling, followed by a multiplexed PCR-based pre-amplification reaction, and a subsequently a plurality of lower-plex decoding PCRs.
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