Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/ijms231810857
Keywords
NHE8; eyes; kidney; testis; gastrointestinal tract; lungs
Funding
- National Institute of Diabetes and Digestive and Kidney Diseases Grant [R01DK113754]
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The Na+/H+ exchanger transporters (NHE) play a crucial role in various biological processes and are widely expressed in human tissues and organs. NHE1 and NHE3 are well-studied isoforms, but recent discoveries have highlighted the importance of NHE8 in the gastrointestinal tract. This review discusses the physiological function and potential role of NHE8, providing useful overviews for future studies on this multifaceted protein.
The Na+/H+ exchanger transporters (NHE) play an important role in various biologic processes including Na+ absorption, intracellular pH homeostasis, cell volume regulation, proliferation, and apoptosis. The wide expression pattern and cellular localization of NHEs make these proteins pivotal players in virtually all human tissues and organs. In addition, recent studies suggest that NHEs may be one of the primeval transport protein forms in the history of life. Among the different isoforms, the most well-characterized NHEs are the Na+/H+ exchanger isoform 1 (NHE1) and Na+/H+ exchanger isoform 3 (NHE3). However, Na+/H+ exchanger isoform 8 (NHE8) has been receiving attention based on its recent discoveries in the gastrointestinal tract. In this review, we will discuss what is known about the physiological function and potential role of NHE8 in the main organ systems, including useful overviews that could inspire new studies on this multifaceted protein.
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