Enhanced extraction efficiency of miRNA from cells by addition of Triton X-100

Title
Enhanced extraction efficiency of miRNA from cells by addition of Triton X-100
Authors
반은미채동규송은주
Keywords
microRNA; Triton X-100; extraction efficiency
Issue Date
2013-09
Publisher
Analytical and bioanalytical chemistry
Citation
VOL 405, NO 23, 7535-7539
Abstract
The determination of microRNA (miRNA) levels in biomaterials has become important for understanding their biological functions and for the diagnosis of various diseases. An effective extraction method is needed for maximizing the recovery of miRNAs from cells, while minimizing RNA degradation during the extraction because miRNAs present only approximately 0.01 % of total RNA. In this study, we used Triton X-100 (TX-100) to improve the extraction efficiency of miRNAs with TRIzol? reagent, which is a commonly used commercial microRNA isolation kit. The concentration of TX-100 and the incubation time after the addition of TX-100 were optimized to maximize the extraction efficiency. The extraction recovery by a combination of TX-100 and TRIzol? reagent was approximately 1.9- fold greater than that by the TRIzol? reagent alone.We have established a very effective extraction method for the extraction of low-abundance miRNAs in biological samples for the determination of miRNA levels in biomaterials.
URI
http://pubs.kist.re.kr/handle/201004/45802
ISSN
16182642
Appears in Collections:
KIST Publication > Article
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