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Abstract

Developmental Biology

Monitoring Blood Glucose in Mouse Offspring After Intracytoplasmic Sperm Injection

Published: May 17th, 2024

DOI:

10.3791/66212

1Shanghai-MOST Key Laboratory of Health and Disease Genomics, 2NHC Key Lab of Reproduction Regulation, 3Shanghai Institute for Biomedical and Pharmaceutical Technologies, 4International Peace Maternity and Child Health Hospital, 5School of Medicine, Shanghai Jiao Tong University, 6Shanghai Key Laboratory of Embryo Original Diseases

Abstract

Human lifespan is considerably long, while mouse models can simulate the entire human lifespan in a relatively short period, with one year of mouse life roughly equivalent to 40 human years. Intracytoplasmic sperm injection (ICSI) is a commonly used assisted reproductive technology in clinical practice. However, given its relatively recent emergence about 30 years ago, the long-term effects of this technique on human development remain unclear. In this study, we established the ICSI combined with embryo transfer (ET) method using a mouse model. The results demonstrated that normal mouse sperm, after undergoing in vitro culture and subsequent ICSI, exhibited a fertilization rate of 89.57% and a two-cell rate of 87.38%. Following ET, the birth rate of offspring was approximately 42.50%. Furthermore, as the mice aged, fluctuations in glucose metabolism levels were observed, which may be associated with the application of the ICSI technique. These findings signify that the mouse ICSI-ET technique provides a valuable platform for evaluating the impact of sperm abnormalities on embryo development and their long-term effects on offspring health, particularly concerning glucose metabolism. This study provides important insights for further research on the potential effects of the ICSI technique on human development, emphasizing the necessity for in-depth investigation into the long-term implications of this technology.

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Keywords Mouse Model

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