Abstract:
:The aorta-gonad-mesonephros (AGM) region is involved in the generation and maintenance of the first definitive hematopoietic stem cells (HSCs). A mouse AGM-derived cell line, AGM-S3, was shown to support the development of HSCs. To elucidate the molecular mechanisms regulating early hematopoiesis, we obtained subclones from AGM-S3, one of which was hematopoiesis supportive (S3-A9) and the other one of which was non-supportive (S3-A7), and we analyzed their gene expression profiles by gene chip analysis. In the present study, we found that Glypican-1 (GPC1) was highly expressed in the supportive subclone AGM-S3-A9. Over-expression of GPC1 in non-supportive cells led to the proliferation of progenitor cells in human cord blood when cocultured with the transfected-stromal cells. Thus, GPC1 may have an important role in the establishment of a microenvironment that supports early events in hematopoiesis.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Nagao K,Ohta T,Hinohara A,Tahara T,Hagiwara T,Maeda Y,Yoneya T,Sohma Y,Heike T,Nakahata T,Inagaki Y,Nishikawa Mdoi
10.1016/j.bbrc.2008.09.123subject
Has Abstractpub_date
2008-12-05 00:00:00pages
205-9issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(08)01879-2journal_volume
377pub_type
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