Nicotinamide mononucleotide enhances the developmental potential of mouse early embryos exposed to perfluorooctanoic acid

IF 3.3 4区医学 Q2 REPRODUCTIVE BIOLOGY

Reproductive toxicology Pub Date : 2024-11-28 DOI:10.1016/j.reprotox.2024.108762

Hanwen Zhang, Yu Li, Na Li, Yilong Miao, Shaochen Sun, Ling Gu, Bo Xiong

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引用次数: 0

Abstract

Perfluorooctanoic acid (PFOA) exposure severely affects the health of animals and humans, including early embryonic development, but the effective approaches to improve the quality of embryos exposed to PFOA have not been explored. Here, we report that nicotinamide mononucleotide (NMN) can be used to attenuate the impairment of mouse early embryos caused by PFOA exposure. We find that NMN supplementation maintains the normal spindle assembly and proper chromosome alignment by restoring the acetylation level of microtubule to enhance the mitotic capacity of embryos at zygotic cleavage stage under PFOA exposure. In addition, NMN exerts its beneficial effect by enhancing mitochondrial function and eliminating accumulated reactive oxygen species (ROS), which in turn alleviates DNA damage and apoptosis in PFOA-exposed 2-cell embryos. Moreover, NMN ameliorates the quality of PFOA-exposed blastocysts via recovering the octamer-binding transcription factor 4 (Oct4) expression, the actin dynamics, and the total number of cells. Collectively, our findings demonstrate that supplementation with NMN is a feasible strategy to restore the compromised early embryonic development under PFOA exposure, providing a scientific basis for application of NMN to increase the female fertility.

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来源期刊

Reproductive toxicology 生物-毒理学

CiteScore

6.50

自引率

3.00%

发文量

131

审稿时长

45 days

期刊介绍： Drawing from a large number of disciplines, Reproductive Toxicology publishes timely, original research on the influence of chemical and physical agents on reproduction. Written by and for obstetricians, pediatricians, embryologists, teratologists, geneticists, toxicologists, andrologists, and others interested in detecting potential reproductive hazards, the journal is a forum for communication among researchers and practitioners. Articles focus on the application of in vitro, animal and clinical research to the practice of clinical medicine. All aspects of reproduction are within the scope of Reproductive Toxicology, including the formation and maturation of male and female gametes, sexual function, the events surrounding the fusion of gametes and the development of the fertilized ovum, nourishment and transport of the conceptus within the genital tract, implantation, embryogenesis, intrauterine growth, placentation and placental function, parturition, lactation and neonatal survival. Adverse reproductive effects in males will be considered as significant as adverse effects occurring in females. To provide a balanced presentation of approaches, equal emphasis will be given to clinical and animal or in vitro work. Typical end points that will be studied by contributors include infertility, sexual dysfunction, spontaneous abortion, malformations, abnormal histogenesis, stillbirth, intrauterine growth retardation, prematurity, behavioral abnormalities, and perinatal mortality.