06:00 EDT 3rd August 2010 | BioPortfolio


Introduction: The human amniotic membrane (HAM), a highly abundant and readily available tissue that may be useful for regenerative medicine and cell therapy. Aim: To compare two previously published protocols for the isolation of human amnion mesenchymal stromal cells (hAMSCs), including their phenotypic characterization and in vitro potential for differentiation toward osteogenic, adipogenic and chondrogenic mesodermal lineages. Materials and Methods: Human placentas were obtained from selected caesarean-sectioned births. Two different protocols (Alviano et al. [1] and Soncini et al. [2]) for the isolation of hAMSCs were performed. After monolayer expansion of adherent cells from both protocols, the cells were characterized by flow cytometry and for multipotentiality, as assessed by their capability to differentiate toward adipocyte-, osteoblast- and chondocyte-like cells. Results: Both protocols yielded hAMSCs that showed plastic adherence, fibroblast-like growth and well-defined human MSC markers. The cell yield and mesodermal differentiation capability of hAMSCs were higher in cells isolated using the Soncini protocol. Conclusions: Our data demonstrated the successful isolation of hAMSCs from full-term placentas using two published protocols. Differences between the two protocols in cell yield and in vitro differentiation potential were shown.


INIBIC-Universidade da Coruña, Departamento de Medicina, A Coruña, A Coruña, Spain;

Journal Details

This article was published in the following journal.

Name: Tissue engineering. Part C, Methods
ISSN: 1937-3392


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Medical and Biotech [MESH] Definitions

Transfer of MESENCHYMAL STEM CELLS between individuals within the same species (TRANSPLANTATION, HOMOLOGOUS) or transfer within the same individual (TRANSPLANTATION, AUTOLOGOUS).

Cells that can develop into distinct mesenchymal tissue such as BONE; TENDONS; MUSCLES; ADIPOSE TISSUE; CARTILAGE; NERVE TISSUE; and BLOOD and BLOOD VESSELS.

Specialized stem cells that are committed to give rise to cells that have a particular function; examples are MYOBLASTS; MYELOID PROGENITOR CELLS; and skin stem cells. (Stem Cells: A Primer [Internet]. Bethesda (MD): National Institutes of Health (US); 2000 May [cited 2002 Apr 5]. Available from:

The transference of BONE MARROW from one human or animal to another for a variety of purposes including HEMATOPOIETIC STEM CELL TRANSPLANTATION or MESENCHYMAL STEM CELL TRANSPLANTATION.

The innermost membranous sac that surrounds and protects the developing embryo which is bathed in the AMNIOTIC FLUID. Amnion cells are secretory EPITHELIAL CELLS and contribute to the amniotic fluid.


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