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. 07, 2024

Filed:

Apr. 11, 2019
Applicant:

Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, Beijing, CN;

Inventors:

Haiyan Xu, Beijing, CN;

Jian Liu, Beijing, CN;

Tao Wang, Beijing, CN;

Bing Han, Beijing, CN;

Jie Meng, Beijing, CN;

Tao Wen, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 5/078 (2010.01); A61K 9/14 (2006.01); A61K 33/36 (2006.01); A61P 7/00 (2006.01); A61P 7/02 (2006.01); A61P 7/06 (2006.01); A61P 35/02 (2006.01);
U.S. Cl.
CPC ...
C12N 5/0641 (2013.01); A61K 9/146 (2013.01); A61K 33/36 (2013.01); A61P 7/00 (2018.01); A61P 7/02 (2018.01); A61P 7/06 (2018.01); A61P 35/02 (2018.01); C12N 2501/999 (2013.01); C12N 2506/1353 (2013.01);
Abstract

Disclosed is the use of a water-soluble realgar solid dispersion in the preparation of an erythroid differentiation inducer for bone marrow hematopoietic stem cells and/or bone marrow hematopoietic progenitor cells. The water-soluble realgar solid dispersion is prepared from raw materials comprising 1 part by weight of realgar, 1-20 parts by weight of a polymer, and 0-5 parts by weight of a surfactant. The water-soluble realgar solid dispersion can induce bone marrow hematopoietic stem and/or progenitor cells to be differentiated into red blood cells, promote the accumulation of red blood cells in bone marrow cells, effectively alleviate the decrease in the number of red blood cells caused by the suppression of the erythroid differentiation of bone marrow hematopoietic stem and/or progenitor cells, improve anemia caused by hematopoietic failure, and protect bone marrow cells from the killing effect.


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