alexa Establishment and characterization of a pluripotent stem cell line derived from human amniotic membranes and initiation of germ layers in vitro.
Biomedical Sciences

Biomedical Sciences

Journal of Bioengineering & Biomedical Science

Author(s): Tamagawa T, Ishiwata I, Saito S

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Abstract OBJECTIVES: Pluripotent stem cells are proposed to be used in regenerative therapy and may exist in the human amniotic membrane. The present article is aimed at establishing a pluripotent stem cell line from human placenta. METHODS: HAM-1 (stem cell line derived from human amniotic membranes) was established by the colonial cloning technique using aMEM culture medium containing 10 ng/ml of EGF, 10 ng/ml of hLIF and 10\% fetal bovine serum. RESULTS: HAM-1 cells appeared to maintain a normal karyotype indefinitely in vitro and expressed markers characteristic of stem cells from mice and human, namely alkaline phosphatase. Also, these cells contributed to the formation of chimeric mouse embryoid bodies and gave rise to cells of all germ layers in vitro. CONCLUSIONS: This study demonstrates that human amniotic membranes derived stem cells have a wide developmental capability and might be utilized to regenerate different types of cells or tissues for transplantation therapy.
This article was published in Hum Cell and referenced in Journal of Bioengineering & Biomedical Science

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