Tse M, Levine S, Yun C, Brant S, Pouyssegur J, Donowitz M
J Am Soc Nephrol. 1993 Oct;4(4):969-75. doi: 10.1681/ASN.V44969.
A gene family of mammalian Na+/H+ exchangers has been identified. Three isoforms have been cloned, sequenced, and stably expressed, and structure/function studies have been begun. Several of the isoforms are found in the epithelia, and one of them is epithelial specific.