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Sox7 is dispensable for primitive endoderm differentiation from mouse ES cells
Masaki Kinoshita1, Daisuke Shimosato2,3, Mariko Yamane4
1Laboratory for Pluripotent cell studies, RIKEN, Centre for Developmental Biology, 2-2-3, Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan. mk704@cam.ac.uk.
BMC Developmental Biology
|October 18, 2015
Summary
Sox7 is not essential for primitive endoderm differentiation. This gene
Area of Science:
- Developmental Biology
- Stem Cell Biology
- Genetics
Background:
- Primitive endoderm development is crucial for early mammalian embryogenesis.
- Sox7, a SoxF family gene, is expressed in primitive endoderm but its role is unknown.
Purpose of the Study:
- To investigate the function of Sox7 in primitive endoderm differentiation using mouse embryonic stem cells.
Main Methods:
- Utilized mouse embryonic stem cells for in vitro differentiation models.
- Assessed Sox7 function through ectopic expression and gene disruption (knockout) studies.
- Evaluated primitive endoderm differentiation via embryoid body formation and Gata6 induction.
Main Results:
- Ectopic Sox7 expression showed minimal induction of primitive endoderm-like cells.
- Sox7 gene disruption did not impede differentiation into primitive endoderm cells.
- Differentiation proceeded normally in Sox7-deficient cells under various conditions.
Conclusions:
- Sox7 plays a supplementary, non-essential role in primitive endoderm differentiation from embryonic stem cells.
- These findings clarify the functional significance of Sox7 in early lineage specification.
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