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:
May. 10, 2016

Filed:

Jun. 04, 2013
Applicant:

Accelerated Biosciences Corp., Manhattan Beach, CA (US);

Inventors:

Jau-Nan Lee, Kaohsiung, TW;

Tony Tung-Ying Lee, Yarrow Point, WA (US);

Yuta Lee, Kaohsiung, TW;

Assignee:

Accelerated BioSciences Corporation, Manhattan Beach, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/50 (2006.01); C12N 5/073 (2010.01); C12N 5/0735 (2010.01); C12N 5/071 (2010.01); A61K 35/12 (2015.01);
U.S. Cl.
CPC ...
G01N 33/5073 (2013.01); C12N 5/0605 (2013.01); C12N 5/0606 (2013.01); C12N 5/0677 (2013.01); A61K 35/12 (2013.01); C12N 2500/34 (2013.01); C12N 2500/38 (2013.01); C12N 2500/44 (2013.01); C12N 2501/115 (2013.01); C12N 2506/02 (2013.01); C12N 2533/54 (2013.01);
Abstract

Existence of human trophoblast stem (hTS) cells has been suspected but unproved. The isolation of hTS cells is reported in the early stage of chorionic villi by expressions of FGF4, FGFR-2, Oct4, Thy-1, and stage-specific embryonic antigens distributed in different compartments of the cell. hTS cells are able to derive into specific cell phenotypes of the three primitive embryonic layers, produce chimeric reactions in mice, and retain a normal karyotype and telomere length. In hTS cells, Oct4 and fgfr-2 expressions can be knockdown by bFGF. These facts suggest that differentiation of the hTS cells play an important role in implantation and placentation. hTS cells could be apply to human cell differentiation and for gene and cell-based therapies.


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Lee, Jau-Nan. (2016). Human trophoblast stem cells and methods of therapeutic screening (U.S. Patent No. 9335322). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9335322

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