Review Article
Role of NHE1 in Nociception
Table 1
Characteristics of the Na+/H+ exchanger (NHE) family.
| Common name (gene) | Distribution | Membrane Localization | Function | Pathophysiology |
| NHE1 (SLC9A1) | Ubiquitous | Plasma membrane | Cytosolic pH, cell volume, fluid secretion, cell shape, proliferation, migration | Ataxia, seizures, ischemia, reduced parotid gland secretion, pain | NHE2 (SLC9A2) | Several tissues | Plasma membrane | Fluid secretion | Loss of acid secretion, reduced parotid gland secretion | NHE3 (SLC9A3) | Kidney, intestines | Plasma membrane | Reabsorption of Na+ and | Diarrhea, tubular proteinuria, hypertension | NHE4 (SLC9A4) | Stomach Kidney | Plasma membrane | Cytosolic pH, fluid secretion | Impaired gastric acid secretion | NHE5 (SLC9A5) | Brain, testis, spleen, and skeletal muscle | Plasma membrane | Cytosolic pH | Pain | NHE6 (SLC9A6) | Ubiquitous | Endosomes | Organellar pH | X-linked mental retardation, epilepsy, ataxia | NHE7 (SLC9A7) | Ubiquitous | Endosomes | Organellar pH | Unknown | NHE8 (SLC9A8) | Ubiquitous | Endomembranes | Organellar pH | Unknown | NHE9 (SLC9A9) | Ubiquitous | Endosomes | Organellar pH | Attention-deficit hyperactivity disorder, autism-spectrum disorder |
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