Hifair™ miRNA 1st Strand cDNA Synthesis Kit -11148ES

YeasenSKU: 11148ES10

Size: 10 T
Sale price$55.00

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MicroRNAs are a class of non-coding RNAs with a length of about 22 nt, which play an important role in the regulation of gene expression in plants and animals. This kit uses Poly(A)-tailing method to perform reverse transcription from miRNA first-strand to cDNA. The 2×Hifair™ miRNA RT buffer in the product contains all the raw materials and primers for miRNA Poly(A)-tailing reaction and reverse transcription reaction. Careful optimization ensures that Poly(A) modification process and reverse transcription process can be performed simultaneously and efficiently in miRNA 3' end.
This product is recommended to be used in conjunction with our company's Hieff™ miRNA Universal qPCR SYBR Master Mix (Cat#11171) for optimal experimental results.


  • High sensitivity detection rate: 10 pg RNA can be detected
  • High product stability: remains unaffected at 37℃ for 7 days


  • First-strand cDNA is synthesized and can be used as a template for RT-PCR and real-time RT-qPCR.


Final product type cDNA (First-Strand)
PCR method RT-PCR
Reaction format Isolated fraction
Sample type miRNA
Optimal reaction temperature 37℃
Reverse transcriptase MMLV


Components No. Name 11148ES50 (50T)
11148-A Hifair™ miRNA RT enzyme mix 87.5 μL
11148-B 2×Hifair™ miRNA RT buffer 250 μL
11148-C RNase-free H2O 10 mL
11148-D Universal Reverse Primer (10 μmol/L) 4 mL
11148-E U6 Forward Primer (10 μmol/L) 500 μL
11148-F U6 Reverse Primer (10 μmol/L) 500 μL


The product should be stored at -25°C~-15℃ for 1 year.


Figure1. High sensitivity detection rate: 10 pg RNA could be detected.

The synthesized hsa-miR-let-7e-5p (a) and 293T cell total RNA (b) were used as templates and diluted to the following gradients: 60 copies to 606 copies (6 gradients) and 10 pg-100 ng (5 gradients). All gradient cDNA was detected.

Citations & References:

[1] Huang G, Chen J, Liu J, Zhang X, Duan H, Fang Q. MiR-935/HIF1α Feedback Loop Inhibits the Proliferation and Invasiveness of Glioma. Onco Targets Ther. 2020;13:10817-10828. Published 2020 Oct 23. doi:10.2147/OTT.S244409(IF:4.147)

[2] Li H, Pan R, Lu Q, et al. MicroRNA‑145‑5p inhibits osteosarcoma cell proliferation by targeting E2F transcription factor 3. Int J Mol Med. 2020;45(5):1317-1326. doi:10.3892/ijmm.2020.4504(IF:4.101)

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