Review Article

New Viral Diseases and New Possible Remedies by Means of the Pharmacology of the Renin-Angiotensin System

Table 1

Opposing effects of Ang II and Ang1-7.

Ang II leads to:
NADPH-oxidase-mediated reactive oxygen species production
Increased collagenolytic activity of MMP-9
Reduced ACE2 cell expression
Induction of the enzymatic activity of ADAM-17, leading to increased circulating levels of TNF-α
NLRP3 inflammasome activation
High transcription of NF-κB leading to production of proinflammatory cytokines

Ang1-7 leads to:
Increased plasma levels of superoxide dismutase 2 and reduced oxidative stress
Reduced ACE function
Increased production of the vasodilator NO, prostaglandins H2 and G2, and prostacyclin
Inhibition of NADPH-oxidase-mediated reactive oxygen species production
Inhibition of NLRP3 inflammasome activation