Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?

Alzheimer’s disease (AD) is the most prevalent kind of dementia with roughly 135 million cases expected in the world by 2050. Unfortunately, current medications for the treatment of AD can only relieve symptoms but they do not act as disease-modifying agents that can stop the course of AD. Caffeine...

Full description

Bibliographic Details
Main Authors: Stefania Merighi, Alessia Travagli, Manuela Nigro, Silvia Pasquini, Martina Cappello, Chiara Contri, Katia Varani, Fabrizio Vincenzi, Pier Andrea Borea, Stefania Gessi
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/13/6/967
_version_ 1797595823377219584
author Stefania Merighi
Alessia Travagli
Manuela Nigro
Silvia Pasquini
Martina Cappello
Chiara Contri
Katia Varani
Fabrizio Vincenzi
Pier Andrea Borea
Stefania Gessi
author_facet Stefania Merighi
Alessia Travagli
Manuela Nigro
Silvia Pasquini
Martina Cappello
Chiara Contri
Katia Varani
Fabrizio Vincenzi
Pier Andrea Borea
Stefania Gessi
author_sort Stefania Merighi
collection DOAJ
description Alzheimer’s disease (AD) is the most prevalent kind of dementia with roughly 135 million cases expected in the world by 2050. Unfortunately, current medications for the treatment of AD can only relieve symptoms but they do not act as disease-modifying agents that can stop the course of AD. Caffeine is one of the most widely used drugs in the world today, and a number of clinical studies suggest that drinking coffee may be good for health, especially in the fight against neurodegenerative conditions such as AD. Experimental works conducted “in vivo” and “in vitro” provide intriguing evidence that caffeine exerts its neuroprotective effects by antagonistically binding to A<sub>2A</sub> receptors (A<sub>2A</sub>Rs), a subset of GPCRs that are triggered by the endogenous nucleoside adenosine. This review provides a summary of the scientific data supporting the critical role that A<sub>2A</sub>Rs play in memory loss and cognitive decline, as well as the evidence supporting the protective benefits against neurodegeneration that may be attained by caffeine’s antagonistic action on these receptors. They are a novel and fascinating target for regulating and enhancing synaptic activity, achieving symptomatic and potentially disease-modifying effects, and protecting against neurodegeneration.
first_indexed 2024-03-11T02:41:56Z
format Article
id doaj.art-8f63eea7aa66499fbebfefcebf0b871e
institution Directory Open Access Journal
issn 2218-273X
language English
last_indexed 2024-03-11T02:41:56Z
publishDate 2023-06-01
publisher MDPI AG
record_format Article
series Biomolecules
spelling doaj.art-8f63eea7aa66499fbebfefcebf0b871e2023-11-18T09:31:19ZengMDPI AGBiomolecules2218-273X2023-06-0113696710.3390/biom13060967Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?Stefania Merighi0Alessia Travagli1Manuela Nigro2Silvia Pasquini3Martina Cappello4Chiara Contri5Katia Varani6Fabrizio Vincenzi7Pier Andrea Borea8Stefania Gessi9Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyUniversity of Ferrara, 44121 Ferrara, ItalyDepartment of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, ItalyAlzheimer’s disease (AD) is the most prevalent kind of dementia with roughly 135 million cases expected in the world by 2050. Unfortunately, current medications for the treatment of AD can only relieve symptoms but they do not act as disease-modifying agents that can stop the course of AD. Caffeine is one of the most widely used drugs in the world today, and a number of clinical studies suggest that drinking coffee may be good for health, especially in the fight against neurodegenerative conditions such as AD. Experimental works conducted “in vivo” and “in vitro” provide intriguing evidence that caffeine exerts its neuroprotective effects by antagonistically binding to A<sub>2A</sub> receptors (A<sub>2A</sub>Rs), a subset of GPCRs that are triggered by the endogenous nucleoside adenosine. This review provides a summary of the scientific data supporting the critical role that A<sub>2A</sub>Rs play in memory loss and cognitive decline, as well as the evidence supporting the protective benefits against neurodegeneration that may be attained by caffeine’s antagonistic action on these receptors. They are a novel and fascinating target for regulating and enhancing synaptic activity, achieving symptomatic and potentially disease-modifying effects, and protecting against neurodegeneration.https://www.mdpi.com/2218-273X/13/6/967A<sub>2A</sub> adenosine receptorAlzheimer’s diseaseamyloid betacaffeineneuroinflammationtherapeutic target
spellingShingle Stefania Merighi
Alessia Travagli
Manuela Nigro
Silvia Pasquini
Martina Cappello
Chiara Contri
Katia Varani
Fabrizio Vincenzi
Pier Andrea Borea
Stefania Gessi
Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
Biomolecules
A<sub>2A</sub> adenosine receptor
Alzheimer’s disease
amyloid beta
caffeine
neuroinflammation
therapeutic target
title Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
title_full Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
title_fullStr Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
title_full_unstemmed Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
title_short Caffeine for Prevention of Alzheimer’s Disease: Is the A<sub>2A</sub> Adenosine Receptor Its Target?
title_sort caffeine for prevention of alzheimer s disease is the a sub 2a sub adenosine receptor its target
topic A<sub>2A</sub> adenosine receptor
Alzheimer’s disease
amyloid beta
caffeine
neuroinflammation
therapeutic target
url https://www.mdpi.com/2218-273X/13/6/967
work_keys_str_mv AT stefaniamerighi caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT alessiatravagli caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT manuelanigro caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT silviapasquini caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT martinacappello caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT chiaracontri caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT katiavarani caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT fabriziovincenzi caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT pierandreaborea caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget
AT stefaniagessi caffeineforpreventionofalzheimersdiseaseistheasub2asubadenosinereceptoritstarget