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Induction of Mouse Peritoneum Mesenchymal Stem Cells into Germ Cell-Like Cells Using Follicular Fluid and Cumulus Cells-Conditioned Media.

Abstract：

:The peritoneum mesothelium lines body cavities and has the same origin as ovarian surface epithelium with probable existence of peritoneum mesenchymal stem cells (PMSCs). In the present research, PMSCs were isolated from peritoneum and differentiated into ovarian cell-like cells using human follicular fluid (HFF) and human cumulus-conditioned medium (HCCM). Anterior abdominal wall and intestinal peritoneum explants were used for cells isolation and cultured in Dulbecco's modified Eagle's medium. After passage 3, purified PMSCs were assessed for morphology, proliferation rate, and cell viability. Then, isolated PMSCs underwent two characterization procedures: (1) differentiation to mesodermal lineage and (2) expression of mesenchymal (CD90 and CD44) and epithelial cell (CK19) markers. The characterized PMSCs were differentiated into ovarian cell-like cells using 10% HFF and 50% HCCM for 21 days, and the expressions of oocyte (Zp3, Gdf9), germ cell (Ddx4, Dazl), granulosa cell (Amh), and theca cell (Lhr) markers were assessed using real-time polymerase chain reaction and immunocytofluorescence assay. Both anterior abdominal wall and intestinal peritoneum mesenchymal stem cells (AP-MSCs and IP-MSCs) showed mesenchymal characters and differentiated to adipocyte and osteocyte. AP-MSCs expressed mesenchymal- and epithelial cell-specific markers more than IP-MSCs and showed an analytically better proliferation rate. The induced AP-MSCs and IP-MSCs were expressed as germ and oocyte cell-specific markers, and this expression increased in the third week of culture. In both groups of AP-MSCs and IP-MSCs, the expressions of Gdf9, Zp3, Ddx4, Dazl, and Amh genes under just HCCM induction showed upregulation significantly on the 21st day of culture compared with day 0. But in protein synthesis of all mentioned genes, both HFF and HCCM had equal induction effect on the 21st day of culture against the 0th day. In addition, LHR was not expressed in any groups. Finally, in both characterization and differentiation procedures, the AP-MSCs respond to inducers better than IP-MSCs.

journal_name

Stem Cells Dev

journal_title

Stem cells and development

authors

Mirzaeian L,Eftekhari-Yazdi P,Esfandiari F,Eivazkhani F,Rezazadeh Valojerdi M,Moini A,Fathi R

doi

10.1089/scd.2018.0149

subject

Has Abstract

pub_date

2019-04-15 00:00:00

pages

554-564

issue

eissn

1547-3287

issn

1557-8534

journal_volume

pub_type

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Induction of Mouse Peritoneum Mesenchymal Stem Cells into Germ Cell-Like Cells Using Follicular Fluid and Cumulus Cells-Conditioned Media.