Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2024
Role of molybdenum in ameliorating busulfan-induced infertility in female mice.
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Liu Feng-Jun, Zhang Yu-Ling, Wang Xiao-Shan, Zhao Ya-Qin, Wang Hong-Wei
Аннотация
BACKGROUND: Molybdenum (Mo) plays a crucial role in regulating normal physiological function. However, its potential effect on female infertility has received little attention.
METHODS: In this study, we explored the potential molecular mechanisms of Mo's action on mouse ovaries and oocytes by establishing a busulfan-induced infertility model. Adult female Kunming mice were randomly divided into three groups: control, +busulfan, and +busulfan+Mo. After 30 days of busulfan treatment [Myleran, 20 mg/kg body weight ip], mice in the busulfan+Mo group were provided with 7.5 mg/L Mo per day in drinking water for an additional 42 days. On day 72, we examined the morphology of the oocytes and ovarian tissue after H&E staining, measured the concentrations of serum hormones by ELISA, and detected Bax, Bcl-2, caspase-3 and caspase-9 by immunohistochemical staining and western immunoblotting. We also assessed the oxidative stress in cells by measuring the activity of the antioxidant enzyme, SOD, the concentrations of MDA and LDH, and the percentage of apoptotic cells using kits. The number of litters born was counted after mating with male mice, and the organ coefficients were calculated after weighing on an analytic balance.
RESULTS: Results showed that Mo treatment restored female reproductive hormone levels to near normal. Mo also significantly inhibited the mitochondrial stress-induced expression of apoptotic proteins.
CONCLUSION: Our findings demonstrate that Mo treatment at a dose of 7.5 mg/L can ameliorate busulfan-induced infertility in female mice. These data may provide a reference for the development of treatments for female infertility.
METHODS: In this study, we explored the potential molecular mechanisms of Mo's action on mouse ovaries and oocytes by establishing a busulfan-induced infertility model. Adult female Kunming mice were randomly divided into three groups: control, +busulfan, and +busulfan+Mo. After 30 days of busulfan treatment [Myleran, 20 mg/kg body weight ip], mice in the busulfan+Mo group were provided with 7.5 mg/L Mo per day in drinking water for an additional 42 days. On day 72, we examined the morphology of the oocytes and ovarian tissue after H&E staining, measured the concentrations of serum hormones by ELISA, and detected Bax, Bcl-2, caspase-3 and caspase-9 by immunohistochemical staining and western immunoblotting. We also assessed the oxidative stress in cells by measuring the activity of the antioxidant enzyme, SOD, the concentrations of MDA and LDH, and the percentage of apoptotic cells using kits. The number of litters born was counted after mating with male mice, and the organ coefficients were calculated after weighing on an analytic balance.
RESULTS: Results showed that Mo treatment restored female reproductive hormone levels to near normal. Mo also significantly inhibited the mitochondrial stress-induced expression of apoptotic proteins.
CONCLUSION: Our findings demonstrate that Mo treatment at a dose of 7.5 mg/L can ameliorate busulfan-induced infertility in female mice. These data may provide a reference for the development of treatments for female infertility.