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| THE RECEPTOR TYROSINE KINASE TIE IS REQUIRED FOR INTEGRITY AND SURVIVAL OF VASCULAR ENDOTHELIAL-CELLS |
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| Author(s): PURI MC, ROSSANT J, ALITALO K, BERNSTEIN A, PARTANEN J |
| Source: EMBO JOURNAL Volume: 14 Issue: 23 Pages: 5884-5891 Published: DEC 1 1995 |
| Times Cited: 270 References: 35 |
| Abstract: Vascular endothelial cells are critical for the development and function of the mammalian circulatory system, We have analyzed the role of the endothelial cell-specific receptor tyrosine kinase TIE in the mouse vasculature, Mouse embryos homozygous for a disrupted Tie allele developed severe edema, their microvasculature was ruptured and they died between days 13.5 and 14.5 of gestation, The major blood vessels of the homozygous embryos appeared normal, Cells lacking a functional Tie gene were unable to contribute to the adult kidney endothelium in chimeric animals, further demonstrating the intrinsic requirement for TIE in endothelial cells, We conclude that TIE is required during embryonic development for the integrity and survival of vascular endothelial cells, particularly in the regions undergoing angiogenic growth of capillaries, TIE is not essential, however for vasculogenesis, the early differentiation of endothelial cells. |
| Document Type: Article |
| Language: English |
Addresses:
1. MT SINAI HOSP, SAMUEL LUNENFELD RES INST, PROGRAM MOLEC BIOL, TORONTO, ON M5G 1X5 CANADA
2. MT SINAI HOSP, SAMUEL LUNENFELD RES INST, CANC & DEV & FETAL HLTH PROGRAM, TORONTO, ON M5G 1X5 CANADA
3. UNIV TORONTO, DEPT MOLEC & MED GENET, TORONTO, ON CANADA
4. HAARTMAN INST, MOLEC CANC BIOL LAB, SF-00014 HELSINKI, FINLAND |
| Publisher: OXFORD UNIV PRESS UNITED KINGDOM, WALTON ST JOURNALS DEPT, OXFORD, ENGLAND OX2 6DP |
| Subject Category: Biochemistry & Molecular Biology; Cell Biology |
| IDS Number: TK480 |
| ISSN: 0261-4189 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |