Title : Regulation of HBEGF by Micro-RNA for Survival of Developing Human Trophoblast Cells.

Pub. Date : 2016

PMID : 27701455






5 Functional Relationships(s)
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1 INTRODUCTION: The growth factor HBEGF is upregulated post-transcriptionally in the low O2 environment of the human placenta during the first 10 weeks of pregnancy. Oxygen heparin binding EGF like growth factor Homo sapiens
2 We have examined the possible roles of HBEGF turnover and micro-RNA (miRNA) in its regulation by O2 in human first trimester trophoblast. Oxygen heparin binding EGF like growth factor Homo sapiens
3 RESULTS: Protein turnover studies, using 10 mug/ml cyclohexamide, 1 mug/ml lactocystin, or 100 mug/ml MG132, demonstrated faster HBEGF degradation at 20% O2 than 2% O2, mediated by the proteasome. Oxygen heparin binding EGF like growth factor Homo sapiens
4 RESULTS: Protein turnover studies, using 10 mug/ml cyclohexamide, 1 mug/ml lactocystin, or 100 mug/ml MG132, demonstrated faster HBEGF degradation at 20% O2 than 2% O2, mediated by the proteasome. Oxygen heparin binding EGF like growth factor Homo sapiens
5 Nevertheless, HBEGF upregulation at 2% O2 was blocked when the miRNA-processing protein DGCR8 was silenced, suggesting a role for miRNA. Oxygen heparin binding EGF like growth factor Homo sapiens