Co-Transport Flashcards

1
Q

Généralités

A
  • appartient à superfamille SLC
  • TA 2aire (gradient ionique Na+ ou H+)
  • réversible
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2
Q

NBC

A

1 Na+/1 ou 2 HCO3-
o régulation du pH intracellulaire
o sécrétion et réabsorption épithéliale de HCO -

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3
Q

SGLT

A

1 ou 2 Na+/1 glucose (SLC5)

o Absorption intestinale et réabsorption rénale de Na+ et glucose

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4
Q

NKCC

A

1 Na+/1K+/1 glucose (SLC12)

o régulation du volume cellulaire

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5
Q

NCC

A

1 NA+/2 Cl-

o réabsorption rénale de Na+ et Cl-

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6
Q

NCX

A

3 Na+/1 Ca2+(SLC8)
-maintien d’une concentration intracytoplasmique basse de Ca2+ (10-7M)
o NCX1 favorise l’entrée de Ca2+ dans le cardiomyocyte lors du début du PA

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7
Q

NHE

A

1 Na+/1H+ (SLC9)
o régulation du pH intracellulaire (cytoplasmique) o régulation du volume cellulaire
o régulation de la croissance cellulaire

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8
Q

PepT1

A

1 H+/1 oligopeptide (SLC15)

- absorption intestinale d’oligopeptide

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9
Q

PAT1

A

1 H+/1 AA (SLC36)

o absorption intestinale d’aa

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10
Q

DMT1

A

1 H+/1 Fe2+ (SLC11)

o absorption intestinale de Fer

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11
Q

MATE1

A

1 H+/1 cation organique (SLC47)
o élimination d’un cation organique en échange d’un H+ au niveau de la
membrane canaliculaire de l’hépatocyte (bile)

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