BACKGROUND: Different laboratories around the world have succeeded in establishing human embryonic stem cell (hESC) lines. However, culture conditions vary considerably among the protocols used and the vast majority of the lines at some stage of their creation have been in contact with an animal derived component. One of the main problems to be overcome for the generation of a clinical-grade hESC line is the choice of a substrate and medium that allows derivation and culture, where animal derived components are kept to a minimum or completely excluded. MATERIALS AND METHODS: The following review describes past and more recent achievements in the creation and culturing of hESC. It describes protocols, giving special attention to the matrices and supplements used for derivation, maintainance and cryostorage, considering whether they included defined, undefined and/or animal-derived components in their formulations. CONCLUSION: This information shall be useful for the creation and choice of new substrates and supplements for future research in the field of hESC for therapeutic purposes.
BACKGROUND: Different laboratories around the world have succeeded in establishing human embryonic stem cell (hESC) lines. However, culture conditions vary considerably among the protocols used and the vast majority of the lines at some stage of their creation have been in contact with an animal derived component. One of the main problems to be overcome for the generation of a clinical-grade hESC line is the choice of a substrate and medium that allows derivation and culture, where animal derived components are kept to a minimum or completely excluded. MATERIALS AND METHODS: The following review describes past and more recent achievements in the creation and culturing of hESC. It describes protocols, giving special attention to the matrices and supplements used for derivation, maintainance and cryostorage, considering whether they included defined, undefined and/or animal-derived components in their formulations. CONCLUSION: This information shall be useful for the creation and choice of new substrates and supplements for future research in the field of hESC for therapeutic purposes.
Authors: Nico Heins; Mikael C O Englund; Cecilia Sjöblom; Ulf Dahl; Anna Tonning; Christina Bergh; Anders Lindahl; Charles Hanson; Henrik Semb Journal: Stem Cells Date: 2004 Impact factor: 6.277
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