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Related Experiment Video

Updated: May 29, 2026

En Face Detection of Nitric Oxide and Superoxide in Endothelial Layer of Intact Arteries

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Published on: February 25, 2016

[Nitric oxide and human aging].

N A Barbararsh, D Iu Kuvshinov, M V Chichilenko

Advances in Gerontology = Uspekhi Gerontologii

|October 1, 2011

Summary

This study found that nitric oxide (NO) may act as an anti-aging molecule. Lower nitric oxide metabolites excretion was linked to higher biological age and stress reactivity in young adults.

Area of Science:

Physiology
Biochemistry
Gerontology

Context:

Investigated physiological markers in medical students aged 17-21.
Measured arterial pressure, biological age, and nitric oxide metabolites (nitrates and nitrites concentration) in alveolar condensate.
Data collected over a decade (1995-2004) during rest and before examinations.

Purpose:

To determine the relationship between stress reactivity, biological age, arterial pressure, and nitric oxide metabolite excretion.
To explore potential sex-based differences in these physiological parameters.
To assess the role of nitric oxide in the context of aging and stress.

Summary:

Arterial pressure and biological age showed distinct patterns in male and female students across different periods of their individual year.

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Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells

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Nitric oxide metabolite concentration generally decreased with increased stress reactivity and was higher in females compared to males at similar arterial pressures.

A negative correlation was observed between biological age and nitric oxide metabolites in male students.

Impact:

Suggests nitric oxide may function as an "anti-aging molecule" based on observed correlations with biological age and stress.
Highlights potential sex differences in physiological responses to stress and aging.
Provides a basis for further research into nitric oxide's role in aging and stress management.