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The effects of recombinant klotho in cisplatin‐induced ovarian failure in mice
Author(s) -
Biyik Ismail,
Ozatik Fikriye Yasemin,
Albayrak Mustafa,
Ozatik Orhan,
Teksen Yasemin,
Ari Neziha Senem,
Soysal Cenk
Publication year - 2021
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.14700
Subject(s) - cisplatin , medicine , klotho , endocrinology , glutathione peroxidase , oxidative stress , recombinant dna , superoxide dismutase , kidney , biology , chemotherapy , biochemistry , gene
Aim To investigate whether recombinant klotho given concomitantly with cisplatin is effective in preventing cisplatin‐induced ovarian damage. Methods Thirty‐two adult female mice were divided into four groups. Saline was given to the first group, cisplatin to the second group, recombinant mouse klotho to the third group, and recombinant mouse klotho + cisplatin to the fourth group. The removed ovarian tissues were examined and groups were compared histologically and immunohistochemical examination for antimullerian hormone (AMH), superoxide dismutase (SOD) and catalase expression were done. Glutathione peroxidase (GPx) and glutathione reductase (GR) activities were measured by ELISA. Results Ovarian tissue weight, primary and secondary follicle counts were higher in cisplatin + recombinant klotho group compared to cisplatin group in our study (respectively p < 0.0001, p < 0.0001, and p = 0.010). Injury scores (stromal congestion, edema and infiltration, follicular degeneration scores and edema in corpus luteum scores) were similar between cisplatin and cisplatin + recombinant klotho groups (all p > 0.05). AMH staining intensities were similar between cisplatin and cisplatin + recombinant klotho groups (p = 0.925). There was no difference between the groups in terms of SOD, GPx, and GR (p > 0.05). Conclusions The recombinant klotho administered before cisplatin could partially protect the ovarian tissue from cisplatin‐induced ovarian damage considering that there was no difference in histologic injury score parameters, AMH staining intensity and oxidative stress markers between cisplatin and cisplatin plus klotho groups except that klotho preserved follicules to some extent. The antioxidant mechanism of action of klotho may not be the primary protection mechanism in cisplatin induced ovarian injury.

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