Herencia Mitocondrial Matrilineal Flashcards

1
Q

Tendencia de enf. Autonómicas a manifestarse a una edad más temprana y aumentar su gravedad en cada generación sucesiva

A

Anticipación

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2
Q

Mitocondrias de un individuo compuestas por más de una población

A

Heteroplasmla
(Es malo porque habría dos poblaciones de DNA mitocondrial)

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3
Q

Mitocondrias de un individuo formadas por una única población

A

Homoplasmia
(Plasma=mitocondria)
Es normal porque se supone todas vienen de tu mamá

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4
Q

Neuropatia óptica de Leber, gen

A

MT-ND4 (proteína de cadena 4 NADH ubiquinlna oxidorreductasa)

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5
Q

Neuropatia de Leber, Dx

A

Fondo de ojo, láminas de snellen y PCR

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6
Q

MERF, gen

A

MT-TK (haploinsuficiencia)
ARNt de Lisina (deficiencia)

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7
Q

MERF, Dx

A

Biopsia de músculo, electromiografia y PCR

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8
Q

Qué es MERF

A

Enf de Epilepsia mioclonica y de las fibras rojas rasgadas

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9
Q

Qué es MELAS

A

Encefalopatia mitocondrial, acidosis láctica y episodios de Ictus

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10
Q

Dx de MELAS

A

PCR

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11
Q

MELAS gen

A

Gen MT-TL1 (haploinsuficiencia)
ARNt de Leucina

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12
Q

Dx de MELAS

A

PCR, RM, TAC

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