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Retroviral targeting of proliferating endothelial cells.

Abstract
Tumor growth requires the formation of new blood vessels by endothelial cells. Thus, surface molecules -- such as angiogenin receptors -- that are selectively expressed on growing endothelium represent an attractive target for directed delivery of compounds to tumor tissue. We attempted to obtain genetically engineered retroviral vectors targeted to the endothelium by inserting the human angiogenin sequence into Moloney murine leukemia virus envelope glycoprotein. Abundant expression of the chimeric protein could be verified. However, while being selective for proliferating human endothelial cells, the recombinant retroviral particles displayed low transduction efficiencies and thus have to be further improved.
AuthorsAlexander Gornikiewicz, Anna Zommer, Raimund Jakesz, Michael Gnant, Christine Brostjan
JournalActa biochimica Polonica (Acta Biochim Pol) Vol. 52 Issue 3 Pg. 731-5 ( 2005) ISSN: 0001-527X [Print] Poland
PMID16175248 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Angiogenesis Inducing Agents
  • Glycoproteins
  • Receptors, Virus
  • Retroviridae Proteins
  • Viral Envelope Proteins
Topics
  • 3T3 Cells
  • Angiogenesis Inducing Agents (pharmacology)
  • Animals
  • Base Sequence
  • Blotting, Western
  • Cell Proliferation (drug effects)
  • Endothelial Cells (metabolism, virology)
  • Genetic Engineering
  • Genetic Vectors (genetics)
  • Glycoproteins (chemistry, metabolism)
  • Humans
  • Mice
  • Moloney murine leukemia virus (genetics)
  • Receptors, Virus (metabolism)
  • Retroviridae (physiology)
  • Retroviridae Proteins (genetics)
  • Transduction, Genetic
  • Tumor Cells, Cultured
  • Viral Envelope Proteins (chemistry, metabolism)

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