ArticleFrontiers in cell and developmental biology2021
SIRT6 Maintains Redox Homeostasis to Promote Porcine Oocyte Maturation.
Article in Frontiers in cell and developmental biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Decoding Infertility: the Epigenetic Influence of HDACs on Reproductive Function.Reproductive sciences (Thousand Oaks, Calif.) · 2026Review
- Expression, regulation, and multifaceted molecular and biological functions of sirtuin 6 in the porcine endometrium during early pregnancy.Cell communication and signaling : CCS · 2026Article
- Nicotinamide mononucleotide biosynthesis and the F-actin cytoskeleton regulate spindle assembly and oocyte maturation quality in post-ovulatory aged porcine oocytes.Cell communication and signaling : CCS · 2025Article
- Ovarian aging: energy metabolism of oocytes.Journal of ovarian research · 2024Review
- Supplementation of SDF1 during Pig Oocyte In Vitro Maturation Improves Subsequent Embryo Development.Molecules (Basel, Switzerland) · 2022Article
- Identification of genes related to sexual differentiation and sterility in embryonic gonads of Mule ducks by transcriptome analysis.Frontiers in genetics · 2022Article
- Aberrant Expression of Mitochondrial SAM Transporter SLC25A26 Impairs Oocyte Maturation and Early Development in Mice.Oxidative medicine and cellular longevity · 2022Article
- Transcriptome and Proteome Analysis Revealed Key Pathways Regulating Final Stage of Oocyte Maturation of the Turkey (International journal of molecular sciences · 2021Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
SIRT6, the sixth member of the sirtuin family proteins, has been characterized as a crucial regulator in multiple molecular pathways related to aging, including genome stability, DNA damage repair, telomere maintenance, and inflammation. However, the exact roles of SIRT6 during female germ cell development have not yet been fully determined. Here, we assessed the acquisition of meiotic competency of porcine oocytes by inhibition of SIRT6 activity. We observed that SIRT6 inhibition led to the oocyte meiotic defects by showing the impairment of polar body extrusion and cumulus cell expansion. Meanwhile, the compromised spindle/chromosome structure and actin dynamics were also present in SIRT6-inhibited oocytes. Moreover, SIRT6 inhibition resulted in the defective cytoplasmic maturation by displaying the disturbed distribution dynamics of cortical granules and their content ovastacin. Notably, we identified that transcript levels of genes related to oocyte meiosis, oxidative phosphorylation, and cellular senescence were remarkably altered in SIRT6-inhibited oocytes by transcriptome analysis and validated that the meiotic defects caused by SIRT6 inhibition might result from the excessive reactive oxygen species (ROS)-induced early apoptosis in oocytes. Taken together, our findings demonstrate that SIRT6 promotes the porcine oocyte meiotic maturation through maintaining the redox homeostasis.
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