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In vitro and in vivo germ line potential of stem cells derived from newborn mouse skin.

ABSTRACT: We previously reported that fetal porcine skin-derived stem cells were capable of differentiation into oocyte-like cells (OLCs). Here we report that newborn mice skin-derived stem cells are also capable of differentiating into early OLCs. Using stem cells from mice that are transgenic for Oct4 germline distal enhancer-GFP, germ cells resulting from their differentiation are expected to be GFP(+). After differentiation, some GFP(+) OLCs reached 40-45 µM and expressed oocyte markers. Flow cytometric analysis revealed that ? 0.3% of the freshly isolated skin cells were GFP(+). The GFP-positive cells increased to ? 7% after differentiation, suggesting that the GFP(+) cells could be of in vivo origin, but are more likely induced upon being cultured in vitro. To study the in vivo germ cell potential of skin-derived cells, they were aggregated with newborn ovarian cells, and transplanted under the kidney capsule of ovariectomized mice. GFP(+) oocytes were identified within a subpopulation of follicles in the resulting growth. Our finding that early oocytes can be differentiated from mice skin-derived cells in defined medium may offer a new in vitro model to study germ cell formation and oogenesis.

SUBMITTER: Dyce PW

PROVIDER: S-EPMC3101249 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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In vitro and in vivo germ line potential of stem cells derived from newborn mouse skin.

Dyce Paul W PW Liu Jinghe J Tayade Chandrakant C Kidder Gerald M GM Betts Dean H DH Li Julang J

PloS one 20110524 5

We previously reported that fetal porcine skin-derived stem cells were capable of differentiation into oocyte-like cells (OLCs). Here we report that newborn mice skin-derived stem cells are also capable of differentiating into early OLCs. Using stem cells from mice that are transgenic for Oct4 germline distal enhancer-GFP, germ cells resulting from their differentiation are expected to be GFP(+). After differentiation, some GFP(+) OLCs reached 40-45 µM and expressed oocyte markers. Flow cytometr ...[more]

PMID: 21629667

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Project description:BACKGROUND:Recent publications about differentiation of stem cells to germ cells have motivated researchers to make new approaches to infertility. In vitro production of germ cells improves understanding differentiation process of male and female germ cells. Due to the problem of using embryonic stem cells (ESC), it's necessary the mentioned cells be replaced with some adult multi-potent stem cells in laboratories. OBJECTIVE:The aim of this study was to obtain germ cells from appropriate source beyond ESC and compare differential potentials of adipocytes derived stem cells (ADMSCs) with bone marrow derived stem cells (BMMSCs). MATERIALS AND METHODS:To find multi-potential entity, after providing purified ADMSCs and BMMSCs, differentiation to osteoblast and adipocyte was confirmed by using appropriate culture medium. To confirm mesenchymal lineage production superficial markers (expression of CD90 and CD44 and non-expression of CD45 and CD31) were investigated by flowcytometry. Then the cells were differentiated to germ cells in inductive medium containing retinoic acid for 7days. To evaluate germ cells characteristic markers [Dazl (Deleted in azoospermia-like), Mvh (Mouse vasa homolog gene), Stra8 (Stimulated by retinoic acid) and Scp3 (Synaptonemal complex protein 3)] flowcytometry, imunoflorescence and real time PCR were used. RESULTS:Both types of cells were able to differentiate into osteoblast and adipocyte cells and presentation of stem cell superficial markers (CD90, CD44) and absence of endothelial and blood cell markers (CD31, CD45) were confirmative The flowcytometry, imunoflorescence and real time PCR results showed remarkable expression of germ cells characteristic markers (Mvh, Dazl, Stra8, and Scp3). CONCLUSION:It was found that although ADMSCs were attained easier and also cultured and differentiated rapidly, germ cell markers were expressed in BMMSCs significantly more than ADMSCs. This article extracted from M.Sc. thesis. (Maryam Hosseinzadeh Shirzeily).

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In vitro and in vivo germ line potential of stem cells derived from newborn mouse skin.

Publications

In vitro and in vivo germ line potential of stem cells derived from newborn mouse skin.

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