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has been cited by the following article:

• TITLE: A Simple Approach for Evaluating Total MicroRNA Extraction from Mouse Brain Tissues

  AUTHORS: Jack G. Walleshauser III, Trace Kessler, Danielle Morse, Bakhos A. Tannous, Norman H. L. Chiu

  KEYWORDS: MicroRNA; Extraction; Tissue

  JOURNAL NAME: Journal of Analytical Sciences, Methods and Instrumentation, Vol.2 No.1, March 13, 2012

  ABSTRACT: For the analysis of microRNA, a common approach is to first extract microRNA from cellular samples prior to any specific microRNA detection. Thus, it is important to determine the quality and yield of extracted microRNA. In this study, solid-phase extraction was used to isolate small RNA (? Green II staining. Testing for contamination of any small DNA fragments, RNase and cellular peptides or proteins were systematically carried out. By scanning the gel image obtained from PAGE analysis, the average percentage of total microRNA (19 - 25 nt) in the extracted RNA samples was determined to be equal to 2.3 ± 0.5%. The yield of total microRNA was calculated to be ~0.5ng of microRNA per milligram of frozen mouse brain tissue. In comparison to other methods that require the use of expensive specialized instrumentation, the approach of combining the standard UV absorbance and PAGE analysis represents a simple and viable method for evaluating the quality and yield of microRNA extraction from tissue samples.