Oocyte oxidative DNA damage may be involved in minimal/mild endometriosis-related infertility

Michele Gomes Da Broi, ALCEU AFONSO JORDÃO-JR, Alceu A Jordão, Alceu Afonso Jordão, Ferriani RA, Rui A Ferriani, Rui Alberto Ferriani, Paula A Navarro, Paula Andrea Navarro
Molecular reproduction and development · 2017 · vol. 85(2) , pp. 128–136 · doi:10.1002/mrd.22943 · PMID:29247565 · W2771446601
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Infertile women with minimal/mild endometriosis showed systemic oxidative stress and higher follicular fluid 8-hydroxy-2'-deoxyguanosine, indicating compromised oocyte quality.

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Abstract

Early endometriosis is associated with infertility, and oxidative stress may play a role in the pathogenesis of disease-related infertility. This prospective case-control study aimed to compare the presence of oxidative stress markers in the follicular microenvironment and systemic circulation of infertile women with minimal/mild endometriosis (EI/II) versus individuals undergoing controlled ovarian stimulation for intracytoplasmic sperm injection (ICSI). Seventy-one blood samples (27 from infertile women with EI/II and 44 controls with tubal and/or male infertility factor) and 51 follicular fluid samples (19 EI/II and 32 controls) were obtained on the day of oocyte retrieval. Total hydroperoxides (FOX1 ), reduced glutathione, vitamin E, Superoxide dismutase, total antioxidant capacity, malondialdehyde, advanced oxidation protein products, and 8-hydroxy-2'-deoxyguanosine (8OHdG) concentrations were measured in both fluids. Women with EI/II showed higher FOX1 (8.48 ± 1.72 vs. 7.69 ± 1.71 μmol/g protein) and lower total antioxidant capacity (0.38 ± 0.18 vs. 0.46 ± 0.15 mEq Trolox/L) concentrations in serum, and higher 8OHdG concentrations (24.21 ± 8.56 vs. 17.22 ± 5.6 ng/ml) in follicular fluid compared with controls. These data implicate both systemic and follicular oxidative stress may in infertile women with EI/II undergoing controlled ovarian stimulation for ICSI. Furthermore, the elevated 8OHdG concentrations in follicular fluid of women with EI/II may be related to compromised oocyte quality.

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Condition tags

endometriosisinfertility

MeSH descriptors

DNA Damage Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Infertility, Female Oocytes Oxidative Stress Pelvic Floor Disorders Pelvic Floor Disorders Pelvic Floor Disorders Pelvic Floor Disorders Pelvic Floor Disorders Pelvic Floor Disorders Adult Adult Antioxidants Antioxidants

Citation neighborhood (2-hop)

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (45)

Cited by (29)

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