Aquaporin 4
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Aquaporin_4".

content
aquaporin 4
Identifiers
Symbol AQP4
Entrez 361
HUGO 637
OMIM 600308
RefSeq NM_001650
UniProt P55087
Other data
Locus Chr. 18 q11.2-12.1

Aquaporin 4 is found in the basolateral cell membrane of principal collecting duct cells and provide a pathway for water to exit these cells.1

AQP4 is constitutively expressed.

AQP4 is expressed in astrocytes and is upregulated by direct insult to the central nervous system.2

Contents

Pathology

It is the autoimmune target in Devic's disease.

See also

References

  1. ^ Agre P, Nielsen S (1996). "The aquaporin family of water channels in kidney". Nephrologie 17 (7): 409–15. PMID 8987045. 
  2. ^ Nagelhus EA, Mathiisen TM, Ottersen OP (2004). "Aquaporin-4 in the central nervous system: cellular and subcellular distribution and coexpression with KIR4.1". Neuroscience 129 (4): 905–13. doi:10.1016/j.neuroscience.2004.08.053. PMID 15561407. 

External links

v • d • e
Membrane transport protein: ion channels
Ca2+: Calcium channel
L-type/Cavα (1.1, 1.2, 1.3, 1.4) • N-type/Cavα2.2 • P-type/Cavα(2.1) • Q-type/Cavα2.1 • R-type/Cavα2.3 • T-type/Cavα(3.2)
α2δ-subunits (1, 2) • β-subunits (β1, β2, β3, β4) • γ-subunits (γ1, γ2, γ3, γ4)
Cation channels of sperm • Two-pore channel (1, 2)
Ligand-gated
Na+: Sodium channel
Navα (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 7A) • Navβ (1, 2, 3, 4)
Other
K+: Potassium channel
Kvα1-6 (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.10) • (2.1, 2.2) • (3.1, 3.2, 3.3, 3.4) • (4.1, 4.2, 4.3) • (5.1) • (6.1, 6.2, 6.3, 6.4)
Kvα7-12 (7.1, 7.2, 7.3, 7.4, 7.5) • (8.1, 8.2) • (9.1, 9.2, 9.3) • (10.1, 10.2) • (11.1/hERG, 11.2, 11.3) • (12.1, 12.2, 12.3)
Kvβ (1, 2, 3) • KCNIP (1, 2, 3, 4) • minK/ISK • MiRP (1, 2, 3) • Shaker gene
Kir (1.1, 2.1, 2.2, 2.3, 2.4) • GIRK/Kir (3.1, 3.2, 3.3, 3.4) • Kir (4.1, 4.2, 5.1, 6.1, 6.2, 7.1)
K2P (1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18)
M+: TRP cation channel
TRPA (1) • TRPC (1, 2, 3, 4, 4AP, 5, 6, 7) • TRPM (1, 2, 3, 4, 5, 6, 7, 8) • TRPML (1, 2, 3) • TRPP (1, 2) • TRPV (1, 2, 3, 4, 5, 6)
Cl-: Chloride channel
ANO1 • Bestrophin (1, 2)  • CFTR • CLCA (1, 2, 3, 4) • CLCN (1, 2, 3, 4, 5, 6, 7, KA, KB) • CLIC (1, 2, 3, 4, 5, 6, L1) • CLNS (1A, 1B)
Cyclic nucleotide-gated
α (1, 2, 3, 4) • β (1, 2, 3) • HCN (1, 2, 3, 4)
Porin
Other/general
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