The NAD

Tianjie Li, Yibo Wang, Yang Yu, Wendi Pei, Lin Fu, Dan Jin, Jie Qiao

Department of Obstetrics and Gynecology, Beijing Friendship Hospital Affiliated to Capital Medical University, Beijing, 100050, China.Department of Obstetrics and Gynecology, Beijing Friendship Hospital Affiliated to Capital Medical University, Beijing, 100050, China. · pubmed

Paper

Abstract

Postovulatory aging (POA) of oocytes is clinically significant as it mirrors the degeneration observed in maternally aged oocytes, leading to substantial impairments in oocyte quality and the success rates of artificial reproductive technology (ART). The molecular alterations associated with POA, such as the degeneration of the first polar body, an increase in perivitelline space, reactive oxygen species (ROS) accumulation, energy depletion, and chromosomal and DNA damage, underscore the urgency of finding interventions to mitigate these effects. This study aims to identify whether nicotinamide riboside (NR) can prevent POA during the process of in vitro culture and raise the success rates of ART.

The following analysis is generated by AI and may contain errors. It is separate from the authors’ abstract and is not peer review.

Research summary

The paper addresses the postovulatory aging of oocytes and explores the potential of nicotinamide riboside (NR) to mitigate the effects of aging in this context. While it touches on mechanisms related to aging and reproductive success, the focus is primarily on improving ART outcomes rather than addressing the root causes of aging itself. Therefore, while it is relevant to the field of longevity research, its impact is limited as it represents a solid but incremental advance rather than a significant breakthrough.

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