Modulation of tumor induced angiogenesis in Ehrlich ascites tumor.

Abstract:

:In this study the enzyme glutaminase, purified from the ascites fluid of ovarian cancer patients, was analysed for its antiangiogenic activity. Intraperitoneal administration of this enzyme reduces the number of tumor directed capillaries in solid and ascites tumor bearing Swiss mice induced by transplantation of Ehrlich ascites cells. The enzyme has a critical role in regulating the secretion of vascular endothelial growth factor (VEGF) from tumor cell and in turn tumor growth. Glutamine analogue like 6-diazo, 5- oxo L-norleucine (DON) is also found to be effective in regulating vascular endothelial growth factor (VEGF) secretion from tumor cells in vitro. Treatment with enzyme reduced serum VEGF levels of the tumor induced animals. In vitro VEGF production by EAC cells was reduced in a concentration dependent manner in presence of glutamine analogue.

journal_name

J Exp Clin Cancer Res

authors

Ghosh S,Roy S,Banerjee M,Maity P

keywords:

subject

Has Abstract

pub_date

2004-12-01 00:00:00

pages

681-90

issue

4

eissn

0392-9078

issn

1756-9966

journal_volume

23

pub_type

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