Asian Journal of Transfusion Science
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Year : 2010  |  Volume : 4  |  Issue : 1  |  Page : 14-24

Comparison of proliferative and multilineage differentiation potentials of cord matrix, cord blood, and bone marrow mesenchymal stem cells

Regenerative Medicine Group, Reliance Life Sciences Pvt. Ltd., Navi Mumbai, India

Correspondence Address:
Prathibha Shetty
Regenerative Medicine, Reliance Life Sciences Pvt. Ltd., Dhirubhai Ambani Life Sciences Center, R-282, TTC Industrial Area of MIDC, Thane Belapur Road, Rabale, Navi Mumbai - 400 701
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-6247.59386

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Background: Hematopoietic stem cells (HSCs) and mesenchymal stem cells (MSCs) are the two widely studied and characterized adult stem cells. Thus far, MSCs were obtained from the bone marrow, which is a painful procedure. Therefore, MSCs from less common sources like cord blood, adipose tissue, tooth pulp, and so on, have been the subject of research. The purpose of this study is to explore the possibility of finding MSCs from a less controversial, easy, and abundant source, such as the umbilical cord, for potential regenerative medicine applications. Study Design and Methods: Five bone marrow samples (BM), seventy cord blood units (CB), and four umbilical cord matrix (CM) samples have been used for the study. Expanded MSCs were checked for biomarker expression by flow cytometry and were also checked for their differentiation to mesodermal and ectodermal lineages. Results: MSCs could be isolated from 100% BM and CM samples, as compared to only 6% of CB samples. The fold expansion of the mesenchymal stem cells observed in CB (CB-MSCs) was distinctly higher as compared to BM (BM-MSCs) and CM (CM-MSCs). MSCs isolated from all the three sources expressed a characteristic mesenchymal phenotype of CD45-/vWF-/CD14-/CD31-/CD73+/CD105+/SSEA4+/CD29+/CD44+/HLAABC+, whereas, the HLA DR was conspicuously absent in CM-MSCs and CB-MSCs. Although osteogenic, chondrogenic, and neural differentiation was observed in MSCs from all sources, adipogenic differentiation was observed only in BM-MSCs. Conclusion: CM-MSCs are a dependable source of an unlimited number of MSCs for autologous and allogenic use in regenerative medicine.

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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006