| Ovine vascular endothelial growth factor: nucleotide sequence and expression in fetal tissues. | |
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MedLine Citation:
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PMID: 9777367 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To examine the role of vascular endothelial growth factor (VEGF) in mediating angiogenesis and vascular permeability during fetal development, we determined the gene expression of VEGF in ovine fetal tissues. Further, we cloned and sequenced the ovine VEGF cDNA encoding VEGF164 from sheep placenta. VEGF protein was localized in epithelial cells of the placenta and fetal kidney, and in hepatocytes of the fetal liver. By Northern analysis, a major VEGF mRNA species of 3.7 kb was identified in all tissues examined, with abundance highest in the lung and lowest in the liver. The most prominent molecular form expressed in ovine fetal tissues appeared to be VEGF164 with low levels of expression of VEGF120 and VEGF188. Cloning and sequence analysis of the most abundant form of ovine VEGF cDNA in the placenta confirmed the prediction of a 164-amino acid peptide, with a putative N-terminal signal sequence of 26 amino acids. Comparison of the VEGF cDNA sequence among different species revealed that VEGF is highly conserved suggesting an important role in development. |
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Authors:
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C Y Cheung; R A Brace |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Growth factors (Chur, Switzerland) Volume: 16 ISSN: 0897-7194 ISO Abbreviation: Growth Factors Publication Date: 1998 |
Date Detail:
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Created Date: 1998-12-18 Completed Date: 1998-12-18 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 9000468 Medline TA: Growth Factors Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 11-22 Citation Subset: IM |
Affiliation:
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Department of Reproductive Medicine, University of California, San Diego School of Medicine, La Jolla 92093-0802, USA. cycheung@ucsd.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acid Sequence Animals Base Sequence Blotting, Northern Blotting, Southern Cloning, Molecular DNA, Complementary Endothelial Growth Factors / analysis, chemistry, genetics* Female Fetus / metabolism* Gene Expression Regulation, Developmental* Humans Immunohistochemistry Liver / embryology, metabolism Lung / embryology, metabolism Lymphokines / analysis, chemistry, genetics* Molecular Sequence Data Placenta / metabolism RNA, Messenger / analysis Reverse Transcriptase Polymerase Chain Reaction Sheep / embryology*, metabolism Vascular Endothelial Growth Factor A Vascular Endothelial Growth Factors |
| Grant Support | |
ID/Acronym/Agency:
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R01 HD33054/HD/NICHD NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/DNA, Complementary; 0/Endothelial Growth Factors; 0/Lymphokines; 0/RNA, Messenger; 0/Vascular Endothelial Growth Factor A; 0/Vascular Endothelial Growth Factors |
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