Neuroprotective and Neurotoxic Implications of α7 Nicotinic Acetylcholine Receptor and Aβ Interaction: Therapeutic Options in Alzheimer's Disease.

Abstract:

BACKGROUND:Alzheimer's disease, a neurodegenerative disorder, is characterized by accumulation of amyloid beta (Aβ) plaques, neurofibrillary tangles and loss of cholinergic neurons. LITERATURE REVIEW:The localization of Aβ plaques particularly in the cholinergic neuron-rich areas has led to the discovery that Aβ binds to α7 nicotinic acetylcholine receptors (nAChRs) with very high affinity. This discovery has led to extensive exploration of the possible outcomes of this binding, ranging from the subcellular signaling pathways to its effects on behavioral and cognitive functions. Intriguingly, there are conflicting reports about the effects of this Aβ and α7 nAChR interaction; a few studies report a neuroprotective role of this interaction while others claim that it is neurotoxic. CONCLUSION:This review focuses on the neurotoxic and neuroprotective effects of Aβ and α7 nAChR interaction and its implications on different cell signaling pathways and other physiological functions. Moreover, the implications this interaction might have on Alzheimer's disease therapy are also discussed.

journal_name

Curr Drug Targets

journal_title

Current drug targets

authors

Farhat SM,Ahmed T

doi

10.2174/1389450117666161005145143

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

1537-1544

issue

13

eissn

1389-4501

issn

1873-5592

pii

CDT-EPUB-78766

journal_volume

18

pub_type

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