Article 2024 · 19 atıf

Nicotinamide Mononucleotide and Nicotinamide Riboside Reverse Ovarian Aging in Rats Via Rebalancing Mitochondrial Fission and Fusion Mechanisms

Arslan, Nazli Pinar, Taskin, Mesut, Keles, Osman Nuri

Özet

Purpose This study examined the effects of nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR) on folliculogenesis and mitochondrial dynamics (fission and fusion mechanisms) in ovaries of middle-aged female rats. Methods Experimental groups were young, middle-aged (control), middle-aged + NMN and middle-aged + NR. NMN was administered at a concentration of 500 mg/kg intraperitoneally but NR at a concentration of 200 mg/kg by gavage. Follicle stimulating hormone (FSH) and luteinizing hormone (LH) levels were analyzed by ELISA. Hematoxylin-eosin staining sections were used for histopathological examination and follicles-counting. Expression levels of mitochondrial fission (Drp1, Mff and Fis1) and fusion (Mfn1, Mfn2, Opa1, Fam73a and Fam73b) genes as well as Sirt1 gene were analyzed by RT-PCR. Expression levels of fission-related proteins (DRP1, MFF, FIS1 and SIRT1) were analyzed by Western Blot. Results Higher ovarian index, more corpus luteum and antral follicles were detected in NMN and NR groups compared to the control. NMN or NR could rebalance LH/FSH ratio. The control group was determined to possess higher expression levels of fission genes and lower expression levels of fusion genes when compared the young group. In comparison with the control group, both NMN and NR group were found to exhibit less mitochondrial fission but more mitochondrial fussion. Higher gene and protein levels for Sirt1 were measured in NMN and NR groups compared to the control group. Conclusion This study reveals that NMN alone or NR alone can rebalance mitochondrial dynamics by decreasing excessive fission in middle-aged rat ovaries, thus alleviating mitochondrial stress and correcting aging-induced folliculogenesis abnormalities.

Anahtar Kelimeler

anti-aging dynamine-related protein 1 mitochondrial dynamics NAD(+) precursor sirtuins HIGH-FAT DIET HORMONE LEVELS LIFE-SPAN NAD(+) DRP1 MFF RESERVE AGE RECRUITMENT METABOLISM

WoS Kategorileri

Chemistry, Multidisciplinary Pharmacology & Pharmacy

Sürdürülebilir Kalkınma Amaçları

Sağlık ve Kaliteli Yaşam

Künye

Dergi: PHARMACEUTICAL RESEARCH
Yıl: 2024
Cilt: 41
Sayı: 5
Sayfa: 921-935
ISSN: 0724-8741
eISSN: 1573-904X
DOI: 10.1007/s11095-024-03704-3
WoS UID: WOS:001209620400001

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