NTs Flashcards

1
Q

NT principal mediador de innumerables funciones

A

glutamato

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2
Q

% de neuronas que usan glutamato

A

80-90%

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3
Q

% de energía cerebral que representa el glutamato

A

80%

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4
Q

tipos de receptores de glutamato

A

ionotropicos (NMDA, AMPA y kainato) y metabotropicos (I, II y III)

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5
Q

fisiología de al demencia por VIH

A

la proteína tat del VIH es agonista de receptores NMDA

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6
Q

neurofisio de EVC con glutamato

A

transporte reverso, disminuye GLT1 y astrocitos, hay mas glutamato y causa exotoxicidad

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7
Q

toxinas que causan excitoxicidad de glutamato

A

acido domoico y Cycas circinalis BMAA = ALS-PDC

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8
Q

neurofisoo del dolor neuropatico con el glutamato

A

hay LTP, disminuye los GLT1, causa hiperexcitabilidad

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9
Q

Función de GABA

A

inhibidor por excelencia
(excitador en neonatos)

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10
Q

sitios de los receptores GABA

A

sitio de benzodiazepina(modulador aldosterico) (agonistas y antagonistas), GABA, barbiturato (agonista verdadero), esteroides y picrotoxina

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11
Q
A
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