Abstract
Maternal nutrition is directly related to the growth and development of the fetus. However, epidemiological studies have demonstrated the consequences of poor maternal nutrition on the development of diseases in later life, such as obesity, cardiovascular diseases associated with a high incidence of myocardial infarction, insulin resistance, diabetes, hypertension, and dyslipidemias. On the basis of these observations, Barker formulated the hypothesis of the fetal origin of diseases, which proposes that fetuses exposed to a limited supply of nutrients adapt to this situation by altering their metabolic processes. Fetal programming can therefore be defined as an adaptive process to an adverse intrauterine environment which redefines developmental processes, guaranteeing fetal survival.
In this respect, it has been observed that dietary modifications during pregnancy, such as protein restriction, promote specific changes in the functional activity and expression of placental transporters, particularly amino acid transporters, which are directly related to the regulation of fetal growth in response to the altered supply of nutrients by the placenta. It is a known fact that embryonic cells respond directly to amino acid deficiency by altering the expression of a variety of genes that regulate growth, differentiation, and apoptosis. In addition to maternal nutrition, there are other factors associated with fetal growth, including genetic factors and the production of hormones such as insulin, insulin-like growth factors (IGFs), ghrelin, and leptin.
In the following chapter, we discuss aspects of the amino acid leucine and fetal growth and report the data of experimental studies. In addition, we highlight the molecular mechanisms underlying the leucine. We would like to draw the attention of the reader to the fact that this study seems to be a promising research field in nutrition and health, which is crucial for the development of public health strategies and programs designed to prevent chronic non-communicable diseases in adult life.
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Tirapegui, J., Vianna, D., Teodoro, G.F.R., Pantaleão, L.C. (2015). Leucine and Fetal Growth. In: Rajendram, R., Preedy, V., Patel, V. (eds) Branched Chain Amino Acids in Clinical Nutrition. Nutrition and Health. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1923-9_15
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DOI: https://doi.org/10.1007/978-1-4939-1923-9_15
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