What question did this study set out to answer?

This study aims to investigate how chronic NO synthase blockade affects inflammatory changes in the arterial wall and the role of the angiotensin II antagonist irbesartan.

September 1, 1998Arteriosclerosis Thrombosis and Vascular Biology

Chronic Blockade of NO Synthase Activity Induces a Proinflammatory Phenotype in the Arterial Wall

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Authors

GLGiuseppina LuvaràInserm MPMaría E. PueyoUniversity of the Basque Country MPMonique PhilippeInserm

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Implication

Supports irbesartan mitigating L-NAME-induced vascular inflammation in rats; hypothesis-generating and should not yet change practice.

Key Points

This study aims to investigate how chronic NO synthase blockade affects inflammatory changes in the arterial wall and the role of the angiotensin II antagonist irbesartan.
Groups of rats received either L-NAME or L-NAME with irbesartan for 2 months; control group received no treatment.
Expression of iNOS, ICAM-1, and VCAM-1 was measured in the aorta using various biochemical methods after 8 weeks.
Inflammatory infiltration and fibrosis were assessed through histological techniques.
Chronic L-NAME treatment increased iNOS expression in the aorta, primarily in smooth muscle cells.
ICAM-1 and VCAM-1 levels were elevated in the L-NAME group compared to controls, indicating heightened inflammation.
Irbesartan treatment prevented the inflammatory alterations and fibrosis associated with L-NAME.

Cite This Study

Luvarà et al. (1998) studied this question.

synapsesocial.com/papers/6a6f7f3f660549caf2c409cb https://doi.org/10.1161/01.atv.18.9.1408

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Chronic Blockade of NO Synthase Activity Induces a Proinflammatory Phenotype in the Arterial Wall

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Key Points

Cite This Study

Chronic Blockade of NO Synthase Activity Induces a Proinflammatory Phenotype in the Arterial Wall

Discussion

Member takes

Implication

Key Points

Cite This Study

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