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  • Title: Differentiation-promoting effects of mammary-derived growth inhibitor (MDGI) on pluripotent mouse embryonic stem cells.
    Author: Wobus AM, Zschiesche W, Grosse R.
    Journal: Virchows Arch B Cell Pathol Incl Mol Pathol; 1990; 59(6):339-42. PubMed ID: 1981402.
    Abstract:
    Pluripotent embryonic stem cells (line BLC6), when cultivated in vitro as embryoid bodies and injected subcutaneously into syngeneic mice, form teratocarcinomas consisting of embryonal carcinoma cells and differentiated tissues of all three primary germ layers. In order to study the possible effects of the mammary-derived growth inhibitor (MDGI) on the differentiation pattern of the tumors developing in the mice, BLC6 cell-derived embryoid bodies were treated in vitro for 4 days with either MDGI or a synthetic peptide composed of the C-terminal 11 amino acids of MDGI. In those tumors, significantly more differentiated neural tissue and lesser proportions of undifferentiated embryonic carcinoma cells (ECC) were found in the MDGI- and peptide-treated groups, compared with controls. The results are discussed with respect to a possible differentiation-promoting capacity of MDGI.
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