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The Role of Maternal Gestational Diabetes in Inducing Fetal Endothelial Dysfunction
This study examines the effect of maternal diabetes on fetal endothelial function and gene expression under physiological glucose conditions (5mM). Human umbilical vein endothelial cell (HUVEC) isolated from diabetic mothers (d.HUVEC) grew more slowly than HUVEC isolated from healthy mothers (c.HUVEC) and had delayed doubling time despite increased levels of total vascular endothelial growth factor (VEGF) expression and protein production as determined by real time PCR and ELISA respectively. Using western blot, the levels of antiproliferative VEGF165b isoform were increased in d.HUVEC relative to c.HUVEC. Successful VEGF1...
Source: Journal of Cellular Physiology - March 24, 2015 Category: Cytology Authors: Samar A Sultan, Wanting Liu, Yonghong Peng, W. Roberts, Donald Whitelaw, Anne M Graham Tags: Original Research Article Source Type: research

ERK5 Pathway Regulates Transcription Factors Important for Monocytic Differentiation of Human Myeloid Leukemia Cells
This study was performed using established cell lines HL60 and U937, and primary cultures of blasts from 10 patients with ML. We found that ERK5 and its direct downstream target transcription factor MEF2C are upregulated by 1,25D in parallel with monocytic differentiation. Further, inhibition of ERK5 activity by specific pharmacological agents BIX02189 and XMD8‐92 alters the phenotype of these cells by reducing the abundance of the VDD‐induced surface monocytic marker CD14, and concomitantly increasing surface expression of the general myeloid marker CD11b. Similar results were obtained when the expression of ERK5 was ...
Source: Journal of Cellular Physiology - November 22, 2013 Category: Cytology Authors: Xuening Wang, Stella Pesakhov, Jonathan S Harrison, Michael Danilenko, George P Studzinski Tags: Original Research Article Source Type: research