Oxidative stress: Normal pregnancy versus preeclampsia

Area of Science:

• Reproductive biology
• Pathophysiology
• Biochemistry

Background:

• Pregnancy naturally elevates oxidative stress due to systemic inflammation.
• Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are key mediators in cellular signaling.
• An imbalance in ROS, RNS, and antioxidants affects overall oxidation status.

Purpose of the Study:

• To review the mechanisms of oxidative stress during human pregnancy.
• To investigate the role of oxidative stress in preeclampsia.
• To understand the consequences of oxidative stress on pregnancy-specific syndromes.

Main Methods:

• Literature review of scientific articles on oxidative stress in pregnancy.
• Analysis of the role of ROS and RNS in physiological and pathological pregnancy states.
• Focus on the physiopathology of preeclampsia.

Main Results:

• Pregnancy is characterized by increased ROS and RNS production.
• ROS and RNS act as crucial secondary messengers in intracellular signaling.
• Oxidative stress is implicated in the development of preeclampsia.

Conclusions:

• Oxidative stress plays a significant role in the pathophysiology of human pregnancy.
• Understanding oxidative stress mechanisms is vital for managing pregnancy complications like preeclampsia.
• The balance between ROS, RNS, and antioxidants is critical during pregnancy.