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METHOD FOR EXPANDING STEMNESS AND DIFFERENTIATION POTENTIAL OF PLURIPOTENT CELLS
专利权人:
Fundación Centro Nacional De Investigaciones Oncológicas Carlos III
发明人:
MALUMBRES, Marcos,SALAZAR-ROA, María,TRAKALA, Marianna,ALVAREZ-FERNANDEZ, Mónica
申请号:
EP20170382304
公开号:
EP3406712(A1)
申请日:
2017.05.26
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
Method for expanding stemness and differentiation potential of pluripotent cells. The invention is based on the finding that increasing microRNA-203 levels in induced pluripotent stem (iPSCs) or embryonic stem (ESCs) cells improves the quality cell fate potential and ability of these cells to differentiate into multiple cell lineages and to reach further maturation properties without interfering with their self-renewal properties. This effect is mediated through the miR-203-dependent control of de novo DNA methyltransferases Dnmt3a and Dnmt3b, which in turn regulate the methylation landscape of pluripotent cells. The effect can be achieved by overexpression of microRNA-203 or by adding microRNA-203 or analogues thereof to the cell culture medium and can be observed using a variety of cellular and in vivo models. The generated cells are naive pluripotent cells with an improved capacity to differentiate, that can be used to obtain more efficiently differentiated and mature cells proficient for regerative medi
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