Prolactina Flashcards

1
Q

En que cromosoma se encuentra el código para la prolactina

A

Cr. 6

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2
Q

Número de aminoácidos que conforma la prolactina

A

199

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3
Q

¿Donde se sintetiza la prolactina?

A

Lactotropas (20-50%) de adenohipófisis / ante

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4
Q

Hormona inh de la prolactina

A

Dopamina

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5
Q

Tipo de activción de PRLR (receptor de prolactina)

A

Tirosina-cinasa / activación de JAK2

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6
Q

Funcion principal de la prolactina

A

Producción de leche materna

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7
Q

A que nivel actua la prolactina

A

Glándula mamaria

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8
Q

Núcleo arcuato

A

Síntesis de factor inhibidor de prolactina (PIH)

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9
Q

¿Donde se encuentra el núcleo arcuato?

A

Hipotálamo

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10
Q

¿Qué desarrolla a nivel de mama la prolactina?

A

Desarrollo alveolar y ductal

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11
Q

Hormona que estimula la prolactina

A

TRH

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12
Q

Hormona que inhibe la producción de leche

A

Estrógenos

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13
Q

Reflejo que promueve la síntesis / liberación de prolactina

A

Reflejo de succión en pezón

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14
Q

Funciones biológicas generales de la prolactina

A

Producción de leche
Equilibrio electrolítico
Reproducción
Inmune

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15
Q

Patologías que afectan la secreción de prolactina

A

Prolactinoma (tum + común)
Hipopituitarismo

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