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dc.contributor.authorTatsanee Phermthaien_US
dc.contributor.authorSasiprapa Thongbopiten_US
dc.contributor.authorPuttachart Pokathikornen_US
dc.contributor.authorSuparat Wichitwiengraten_US
dc.contributor.authorSuphakde Julavijitphongen_US
dc.contributor.authorNednapis Tirawanchaien_US
dc.contributor.otherMahidol Universityen_US
dc.date.accessioned2018-12-21T06:45:07Z
dc.date.accessioned2019-03-14T08:02:45Z-
dc.date.available2018-12-21T06:45:07Z
dc.date.available2019-03-14T08:02:45Z-
dc.date.issued2017-08-01en_US
dc.identifier.citationCytotherapy. Vol.19, No.8 (2017), 990-1001en_US
dc.identifier.issn14772566en_US
dc.identifier.issn14653249en_US
dc.identifier.other2-s2.0-85019880027en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85019880027&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/41766-
dc.description.abstract© 2017 International Society for Cellular Therapy Background aims Human amniotic mesenchymal stromal cells (hAMSCs) are a potent and attractive stem cell source for use in regenerative medicine. However, the safe uses of therapeutic-grade MSCs are equally as important as the efficiency of MSCs. To provide efficient, clinic-compliant (safe for therapeutic use) MSCs, hAMSC lines that completely eliminate the use of animal products and have been characterized for carcinogenicity and biosafety are required. Methods Here, we have efficiently generated 10 hAMSC lines under human umbilical cord blood serum (hUCS)-supplemented medium (xeno-free culture) and fetal bovine serum (FBS)-supplemented medium (standard culture) and investigated carcinogenicity and immunosuppressive properties in the resultant hAMSC lines. All hAMSC lines were examined for efficiency (growth kinetics, cryopreservation, telomere length, phenotypic characterization, differentiation potential), carcinogenicity (proto-oncogene and tumor suppressor gene and epigenomic stability) and safety (immunosuppressive properties). Results Stem cell characteristics between the xeno-free hAMSC lines and the cell lines generated using the standard culture system showed no differences. Xeno-free hAMSC lines displayed normal growth proliferation potential, morphological, karyotypic, phenotypic differentiation properties and telomere lengths. Additionally, they retained normal immunosuppressive effects. As a marker of carcinogenicity and biosafety, proto-oncogenes expression levels showed no differences in xeno-free hAMSCs, and we detected no SNP mutations on hotspot codons of the P53 tumor suppressor gene and stable epigenomic imprinting in xeno-free hAMSC lines. Conclusions Xeno-free hAMSC lines retain essential stem cell characteristics, with a high degree of certainty for meeting biosafety and carcinogenicity standards for a xeno-free system supplemented with allogenic hUCS. The cell lines are suitable and valuable for therapeutic purposes.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85019880027&origin=inwarden_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectImmunology and Microbiologyen_US
dc.titleCarcinogenicity, efficiency and biosafety analysis in xeno-free human amniotic stem cells for regenerative medical therapiesen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1016/j.jcyt.2017.04.004en_US
Appears in Collections:Scopus 2016-2017

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