Apr 1, 2016

Aquaporin-4 and Alzheimer's Disease

Journal of Alzheimer's Disease : JAD
Canhong YangTianming Lü

Abstract

Alzheimer's disease (AD) is the most common form of dementia. Although the pathogenesis of AD remains unclear, AD is thought to result from an imbalance in the production and clearance of amyloid-β protein (Aβ). Aquaporin-4 (AQP4) is the major aquaporin in the mammalian brain, is mostly expressed on astrocytic endfeet, and functions as a water transporter. However, the distribution and expression of AQP4 are altered in both AD clinical populations and animal models. Recent studies have revealed that AQP4 is important to the clearance of Aβ in brain via lymphatic clearance, transcytotic delivery, and glial degradation, as well as to the synaptic function. Thus, AQP4 likely plays an important role in the pathogenesis of AD. Further studies would provide new targets for prevention, ultimately leading to improved treatment options for AD.

  • References67
  • Citations2

Mentioned in this Paper

Study
Familial Alzheimer Disease (FAD)
Pathogenic Aspects
Pathogenesis
APP protein, human
Imbalance
Transcytotic Pathways
Brain
Astrocytes
Synaptic Transmission

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