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A Method for Islet Transplantation to the Omentum in Mouse
Published on: January 7, 2019
Islet transplantation reverses the effects of maternal diabetes on mouse oocytes
Pan-Pan Cheng1, Jun-Jie Xia, Hai-Long Wang
1Organ Transplantation Institute of Xiamen University, Xiamen University, Xiamen City, Fujian Province 361005, People's Republic of China.
Abstract:
Maternal diabetes adversely affects preimplantation embryo development and oocyte maturation. Thus, it is important to identify ways to eliminate the effects of maternal diabetes on preimplantation embryos and oocytes. The objectives of this study were to investigate whether islet transplantation could reverse the effects of diabetes on oocytes. Our results revealed that maternal diabetes induced decreased ovulation; increased the frequency of meiotic spindle defects, chromosome misalignment, and aneuploidy; increased the relative expression levels of Mad2 and Bub1; and enhanced the sensitivity of oocytes to parthenogenetic activation. Islet transplantation prevented these detrimental effects. Therefore, we concluded that islet transplantation could reverse the effects of diabetes on oocytes, and that this technique may be useful to treat the fundamental reproductive problems of women with diabetes mellitus.
Insights
Maternal diabetes harms egg development. Islet transplantation reversed these negative effects, offering hope for reproductive health in diabetic women.
Area of Science:
- Reproductive biology
- Endocrinology
- Developmental biology
Background:
- Maternal diabetes negatively impacts embryo development and oocyte maturation.
- Identifying interventions to mitigate diabetes-induced reproductive issues is crucial.
Purpose of the Study:
- To investigate the potential of islet transplantation to reverse diabetes-related effects on oocytes.
Main Methods:
- Assessing oocyte quality and function in diabetic models.
- Evaluating the impact of islet transplantation on these parameters.
Main Results:
- Diabetes caused reduced ovulation, increased meiotic spindle defects, chromosome misalignment, and aneuploidy.
- Diabetes elevated Mad2 and Bub1 expression and heightened oocyte sensitivity to parthenogenetic activation.
- Islet transplantation successfully prevented these diabetes-induced detrimental effects on oocytes.
Conclusions:
- Islet transplantation can reverse the adverse effects of maternal diabetes on oocytes.
- This therapeutic approach may address fundamental reproductive challenges faced by women with diabetes mellitus.
