期刊
IUBMB LIFE
卷 64, 期 7, 页码 612-616出版社
WILEY
DOI: 10.1002/iub.1026
关键词
eukaryotic gene expression
资金
- National Key Research and Development Program of China [2011CB811304]
- National Basic Research Program of China [2011CBA01105]
- National Natural Science Funds for Distinguished Young Scholar [31100570]
- Shanghai Science and Technology Committee [11DZ2272100]
- Shanghai Municipal Education Commission [12YZ032]
- Shanghai University
- Shanghai Key Laboratory of Bio-Energy Crops
Analysis of mature microRNA (miRNA) expression is important to understand its physiological functions and pathological implications. Microarray is a powerful technology to profile global miRNA expression. In this study, we developed a rapid miRNA labeling method by which miRNA was directly labeled in total RNA for microarray detection. This method consists of RNA tailing by poly(A) polymerase, reverse transcription, and template-switching by moloney murine leukemia virus (MMLV) reverse transcriptase. After these reactions, the small RNA cDNA was ready for labeling for microarray detection. The whole process of prearray sample preparation was dramatically shortened to 2 h. Furthermore, this method allows very limited starting total RNA (100 ng) for microarray analysis. Our data showed that the results from our method were highly consistent with that of real-time polymerase chain reaction (PCR). 2012 IUBMB IUBMB Life, 64(7): 612616, 2012
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