El papel de la insulina en la regulación de la síntesis de proteínas lácteas en bovinos
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https://doi.org/10.17533/udea.rccp.324494Palabras clave:
control hormonal, glándula mamaria, homeorresisResumen
No obstante la importancia nutricional e industrial de las proteínas lácteas, aún no están completamente comprendidos los mecanismos que controlan su síntesis y concentración. Entre las distintas hormonas que regulan el metabolismo de la glándula mamaria, la insulina ha recibido mayor atención debido a su estrecha relación con el metabolismo energético y proteico de los animales y debido al marcado efecto que ha mostrado tener sobre la producción y concentración de proteínas lácteas. Existen al menos tres mecanismos a través de los cuales esta hormona parece contribuir al incremento en la síntesis y concentración de proteínas lácteas, los cuales son revisados en este documento: distribución de nutrientes hacia la glándula mamaria, regulación en la expresión de genes de caseínas e incremento en la tasa de iniciación de la síntesis de las proteínas a nivel postranscripcional.
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