期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 368, 期 3, 页码 543-549出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2008.01.129
关键词
VEGF-Q VEGF receptors; HL-60; macrophage differentiation; tumor angiogenesis
We investigated the gene expression profiles of vascular endothelial growth factor (VEGF) and its receptors in HL-60 leukemia cells. In the VEGF family, both mRNA and protein expression of VEGF-C were up-regulated in phorbol myristate acetate (PMA)-differentiated HL-60 cells. We detected two bands of similar to 31 and similar to 60 kDa in cell lysates, and the higher expression of similar to 31 kDa band was further increased after stimulation with tumor necrosis factor (TNF)-alpha and lipopolysaccharide (LPS). A similar to 31 kDa VEGF-C protein was also detected in conditioned media from PNIA-differentiated HL-60 cells after LPS stimulation. The mRNA expression of VEGFR-1, VEGFR-2, and neuropilin-1 (NRP- 1) was markedly up-regulated in PNIA-differentiated HL-60 cells, corresponding to the results from VEGF binding studies, in which VEGF binding activity was increased in PNIA-differentiated HL-60 cells. These did not occur in dimethylsulfoxide (DMSO)-differentiated HL-60 cells. The expression of VEGF-C and VEGF receptors is regulated specifically in HL-60 cells during macrophage differentiation.. (c) 2008 Elsevier Inc. All rights reserved.
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