Equine embryos and embryonic stem cells: defining reliable markers of pluripotency
Paris, D.B.B.P., and Stout, T.A.E. (2010) Equine embryos and embryonic stem cells: defining reliable markers of pluripotency. Theriogenology, 74 (4). pp. 516-524.
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Cartilage and tendon injuries are a significant source of animal wastage and financial loss within the horse-racing industry. Moreover, both cartilage and tendon have limited intrinsic capacity for self-repair, and the functionally inferior tissue produced within a lesion may reduce performance and increase the risk of reinjury. Stem cells offer tremendous potential for accelerating and improving tissue healing, and adult mesenchymal stem cells (MSCs) are already used to treat cartilage and tendon injuries in horses. However, MSCs are scarce in the bone marrow isolates used, have limited potential for proliferation and differentiation in vitro, and do not appear to noticeably improve long-term functional repair. Embryonic stem cells (ESCs) or induced pluripotent stem (iPS) cells could overcome many of the limitations and be used to generate tissues of value for equine regenerative medicine. To date, six lines of putative ESCs have been described in the horse. All expressed stem cell–associated markers and exhibited longevity and pluripotency in vitro, but none have been proven to exhibit pluripotency in vivo. Moreover, it is becoming clear that the markers used to characterize the putative ESCs were inadequate, primarily because studies in domestic species have revealed that they are not specific to ESCs or the pluripotent inner cell mass, but also because the function of most in the maintenance of pluripotency is not known. Future derivation and validation of equine embryonic or other pluripotent stem cells would benefit greatly from a reliable panel of molecular markers specific to pluripotent cells of the developing horse embryo.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||cell differentiation; embryo; horse; inner cell mass; pluripotency; stem cell|
|FoR Codes:||10 TECHNOLOGY > 1004 Medical Biotechnology > 100404 Regenerative Medicine (incl Stem Cells and Tissue Engineering) @ 70%|
06 BIOLOGICAL SCIENCES > 0608 Zoology > 060803 Animal Developmental and Reproductive Biology @ 30%
|SEO Codes:||83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830306 Horses @ 100%|
|Deposited On:||28 Jul 2011 12:42|
|Last Modified:||02 Sep 2011 11:42|
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