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“Studies have demonstrated that Hcy decreases bioavailability of endothelial nitric oxide (eNO), generates nitrotyrosine , and activates latent matrix metalloproteinase (MMP), instigating EE dysfunction.”
Nitric oxide : biology and chemistry • 2009 | View Paper
“Furthermore, we hypothesize that Hcy increases reactive oxygen species, generates nitrotyrosine , activates latent matrix metalloproteinase, and decreases the levels of endothelial nitric oxide in response to antagonizing PPAR-gamma.”
American journal of physiology. Lung cellular and molecular physiology • 2003 | View Paper
“ HCY treatment for 24 hr significantly reduced cellular levels of the CAT-1 arginine transporter protein ( approximately 30%) and increased nitrotyrosine formation , whereas levels of eNOS protein and basal NOS activity were not altered.”