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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.

Patent No.:

US 12517114 B1

PDFFull Text
Date of Patent:
Jan. 06, 2026

Filed:

Jan. 22, 2021

Primary gastrointestinal stromal tumor cell culture medium, culture method and application thereof

Applicant:

Precedo Pharmaceuticals Co., Ltd, Anhui, CN;

Inventors:

Qingsong Liu, Anhui, CN;

Feiyang Liu, Anhui, CN;

Xiaoyu Li, Anhui, CN;

Husheng Mei, Anhui, CN;

Wenchao Wang, Anhui, CN;

Tao Ren, Anhui, CN;

Li Wang, Anhui, CN;

Assignee:

PRECEDO PHARMACEUTICALS CO., LTD, Anhui, CN;

Attorney:

Scully, Scott, Murphy & Presser, P.C.

Primary Examiner:

Robert A Wax

Int. Cl.
CPC ...
G01N 33/50 (2006.01); C12N 5/09 (2010.01);
U.S. Cl.
CPC ...
G01N 33/5011 (2013.01); C12N 5/0693 (2013.01); C12N 2501/115 (2013.01); C12N 2501/119 (2013.01); C12N 2501/125 (2013.01); C12N 2501/135 (2013.01); C12N 2501/345 (2013.01); C12N 2533/54 (2013.01);
Abstract

The present invention provides a cell culture medium for culturing primary gastrointestinal stromal tumor cells, comprising gastrin, N2, insulin, a receptor tyrosine kinase ligand, and a Rock kinase inhibitor. The present invention further provides a method for culturing gastrointestinal stromal tumor cells by using the cell culture medium, and an application and a method of an expanded cell population, which is obtained by using the method, in efficacy evaluation or screening.

Find Patent Forward Citations

Liu, Qingsong. (2026). Primary gastrointestinal stromal tumor cell culture medium, culture method and application thereof (U.S. Patent No. 12517114). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12517114

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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