Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ijms22147682
Keywords
erythropoietin; PI3K; MAPK
Funding
- Scientific Grant Agency of the Ministry of Education of the Slovak Republic [VEGA1/0536/19]
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Erythropoietin (EPO) plays a crucial role in cell survival through triggering signaling cascades such as JAK2/STAT5, MAPK, and PI3K/AKT. This article describes the role of MAPK and PI3K/AKT pathways in red blood cell formation and non-hematopoietic tissues, highlighting the differences between erythroid and non-erythroid cells.
Erythropoietin (EPO) is a glycoprotein cytokine known for its pleiotropic effects on various types of cells and tissues. EPO and its receptor EPOR trigger signaling cascades JAK2/STAT5, MAPK, and PI3K/AKT that are interconnected and irreplaceable for cell survival. In this article, we describe the role of the MAPK and PI3K/AKT signaling pathways during red blood cell formation as well as in non-hematopoietic tissues and tumor cells. Although the central framework of these pathways is similar for most of cell types, there are some stage-specific, tissue, and cell-lineage differences. We summarize the current state of research in this field, highlight the novel members of EPO-induced PI3K and MAPK signaling, and in this respect also the differences between erythroid and non-erythroid cells.
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