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Teratogenic effects of insulin: an experimental study on developing chick embryo
Pradeep Bokariya1, Ruchi Kothari2, Vijay K Gujar1
1Department of Anatomy, Mahatma Gandhi Institute of Medical Sciences, Wardha, Maharashtra, India.
Indian Journal of Pharmacology
|April 17, 2015
Summary
Insulin injection did not cause major birth defects in chick embryos. While slight decreases in weight and crown-rump length were noted in the insulin-treated group, no significant developmental abnormalities were observed.
Area of Science:
- Developmental Biology
- Endocrinology
- Teratology
Background:
- Insulin plays a crucial role in metabolic regulation and growth.
- Understanding the effects of exogenous insulin on embryonic development is important for both research and potential therapeutic applications.
Purpose of the Study:
- To investigate the impact of insulin administration on chick embryo growth and development.
- To identify any potential congenital abnormalities induced by insulin exposure during incubation.
Main Methods:
- Fertilized chicken eggs were divided into control and experimental groups.
- Insulin (2 IU) was injected into the experimental group on day 2 of incubation.
- Embryos were analyzed on day 19 for malformations, crown-rump length (CRL), egg weight, and embryo volume.
Main Results:
- No significant major malformations were observed in the insulin-treated chick embryos.
- A slight, non-significant decrease in average egg weight and embryo crown-rump length was noted in the experimental group compared to controls.
- Embryo volumes were comparable between the control and insulin-exposed groups.
Conclusions:
- The study found no evidence of teratogenic effects from insulin at the dosage used in chick embryos.
- Insulin administration at 2 IU did not lead to observable developmental defects in this model system.
