Werner syndrome is a rare condition marked by accelerated aging. A recent study, featured as the cover paper in Aging (Aging-US), Volume 17, Issue 4, led by researchers at the University of Oslo and international collaborators, suggests that nicotinamide adenine dinucleotide (NAD+), a vital molecule involved in cellular energy production, may be key to understanding this disease and developing future strategies to manage it.

Understanding Werner Syndrome

Werner syndrome (WS) is a rare genetic condition that causes people to age more quickly than normal. By their 20s or 30s, individuals with WS often show signs typically associated with older age, such as cataracts, hair loss, thinning skin, and heart disease. This premature aging is caused by mutations in the WRN gene, which normally helps repair DNA and protect cells from damage. While the WRN gene’s role in maintaining genetic stability is well understood, the reasons behind the rapid decline of cells in WS patients are still not fully clear.

The Study: Investigating NAD+ in Werner Syndrome

Nicotinamide adenine dinucleotide levels naturally decline with age. In the study titled “Decreased mitochondrial NAD+ in WRN deficient cells links to dysfunctional proliferation,” researchers investigated whether this decline is more severe in people with WS and whether restoring NAD+ levels could help slow the aging process in these patients.

Full blog - https://aging-us.org/2025/05/fighting-premature-aging-how-nad-could-help-treat-werner-syndrome/

Paper DOI - https://doi.org/10.18632/aging.206236

Corresponding author - Evandro F. Fang - [email protected]

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Keywords - aging, Werner syndrome, premature aging, NAD+, mitochondria, proliferation

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