Research Article | Volume: 2 Issue: 10, October, 2012

Arginase activity and nitric oxide levels may be considered as tumor markers in breast cancer

Iclal GEYIKLI Nurdan OZLU CEYLAN Celalettin CAMCI   

Open Access    DOI: 10.7324/JAPS.2012.21006


To investigate the relationship of breast cancer with serum arginase activity and nitric oxide levels. Arginase (L-arginine ureohidrolase, EC. is the last enzyme of urea cycle which converts arginine into urea and ornithine. nitric oxide, a product of L-arginine and nitric oxide synthetase reaction, is a hormone, a reactive oxygen species, neurotransmitter, mediator, cytoprotective molecule, and the only endogenous molecule that acts as a cytotoxic molecule. This study was done at Gaziantep University Research Hospital with 30 breast cancer patients (30-77) and with 34 healthy people (30-75) to diagnose breast cancer. The majority (n=28) was ductal while the rest were medullary and papillary cancers. Serum arginase activity was measured by thiosemicarbazide diasetilmonoksim urea method in U/L that was modified. Also, serum nitric oxide levels were measured by the Griess method in terms of mmol/L. Serum arginase activity was determined as 17.8±2.5 (X±SE) U/L in the patient group and 6.8±0.9 U/L in the control group; the cancer patients showed a significant increase (t=3,649, p

Keyword:     Arginasecancernitricoxide


Iclal GEYIKLI, Nurdan OZLU CEYLAN, Celalettin CAMCI. Arginase activity and nitric oxide levels may be considered as tumor markers in breast cancer. J App Pharm Sci. 2012; 2(9): 031- 034.

Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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