Title : Different regulation of IRE1α and eIF2α pathways by oxygen and insulin in ACH-3P trophoblast model.

Pub. Date : 2021 May 27

PMID : 33904834






4 Functional Relationships(s)
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1 Different regulation of IRE1alpha and eIF2alpha pathways by oxygen and insulin in ACH-3P trophoblast model. Oxygen endoplasmic reticulum to nucleus signaling 1 Homo sapiens
2 Although GRP78 protein remained unaffected, low oxygen (2.5% O2) increased IRE1alpha phosphorylation (+52%; P < 0.05) and XBP1 splicing (1.8-fold change; P <= 0.001) after 24h, while eIF2alpha protein and CHOP expression were downregulated (-28%; P < 0.05 and -24%; P <= 0.001; respectively). Oxygen endoplasmic reticulum to nucleus signaling 1 Homo sapiens
3 Although GRP78 protein remained unaffected, low oxygen (2.5% O2) increased IRE1alpha phosphorylation (+52%; P < 0.05) and XBP1 splicing (1.8-fold change; P <= 0.001) after 24h, while eIF2alpha protein and CHOP expression were downregulated (-28%; P < 0.05 and -24%; P <= 0.001; respectively). Oxygen endoplasmic reticulum to nucleus signaling 1 Homo sapiens
4 Overall, our results suggest that IRE1alpha and eIF2alpha UPR-pathways are differentially regulated by oxygen and insulin in early pregnancy. Oxygen endoplasmic reticulum to nucleus signaling 1 Homo sapiens