The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 23, 2019

Filed:

Sep. 15, 2015
Applicant:

Chengdu Nuoen Biological Technology Co., Ltd., Chengdu, CN;

Inventors:

Kai Xu, Missouri, TX (US);

Fang Tang, Chengdu, CN;

Yaoyi Zhang, Chengdu, CN;

Zihao Feng, Chengdu, CN;

Yu Yang, Chengdu, CN;

Xiujin Wu, Chengdu, CN;

Feifei Zhang, Chengdu, CN;

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/68 (2018.01); C12Q 1/6851 (2018.01); C12P 19/34 (2006.01); C12Q 1/6869 (2018.01); C12Q 1/6855 (2018.01);
U.S. Cl.
CPC ...
C12Q 1/6851 (2013.01); C12P 19/34 (2013.01); C12Q 1/6855 (2013.01); C12Q 1/6869 (2013.01); C12Q 2535/138 (2013.01); C12Q 2545/114 (2013.01); C12Q 2600/16 (2013.01);
Abstract

The present invention relates to the technical field of molecular biology, provides a method for measuring short RNA using amplified DNA fragment length polymorphism, and comprises the following steps: first using at least two synthesized miRNAs as the internal measurement standard, said synthesized miRNAs containing no natural homologous sequence in comparison with the short RNA to be measured, and mixing the synthesized miRNAs using different molecule numbers so as to form a dynamic miRNA standard molecular gradient; mixing the same quantity of the dynamic miRNA standard with the short RNA to be measured, and performing RNA reverse transcription, cDNA tailing, PCR synchronous amplification, and fluorescent quantitative analysis on the length polymorphism fragment of the PCR product DNA so as to measure the relative ratio of the fluorescence intensity of the DNA fragment produced by the amplification of the short RNA to be measured to the dynamic miRNA standard fluorescence intensity gradient.


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