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:
Mar. 22, 2022

Filed:

Jul. 17, 2015
Applicant:

The United States of America, As Represented BY the Secretary, Department of Health and Human Services, Bethesda, MD (US);

Inventors:

Jiliang Gao, Potomac, MD (US);

Philip M. Murphy, Rockville, MD (US);

David H. McDermott, Olney, MD (US);

Marie Siwicki, Washington, DC (US);

Harry L. Malech, Bethesda, MD (US);

Joy Liu, Boyds, MD (US);

Paejonette Jacobs, Bronx, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 35/28 (2015.01); C12N 5/0789 (2010.01); A61B 6/00 (2006.01); A61K 45/06 (2006.01);
U.S. Cl.
CPC ...
A61K 35/28 (2013.01); A61B 6/54 (2013.01); A61K 45/06 (2013.01); C12N 5/0647 (2013.01);
Abstract

Provided herein are methods of enhancing engraftment of hematopoietic stem cells (HSC) in recipient subjects by reducing expression (or activity) of CXC chemokine receptor 4 (CXCR4). Such methods can be used in gene therapy protocols and in HSC transplantation, for example allowing this to occur without radiation or chemotherapy conditioning as is typically done in non-myeloablative HSC transplant. In some examples, gene editing methods are used to delete one copy of the CXCR4 gene before HSC or bone marrow transplantation, enhancing the efficiency and durability of donor cell repopulation.


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Gao, Jiliang. (2022). Reducing cxcr4 expression and/or function to enhance engraftment of hematopoietic stem cells (U.S. Patent No. 11278572). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11278572

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