Journal
NEUROCHEMISTRY INTERNATIONAL
Volume 148, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuint.2021.105066
Keywords
Caffeine; Adenosine A(2A) receptor; Dopamine; Parkinson's disease; Neuroprotection; Neurodegenerative disease
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Funding
- Auburn University
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Parkinson's disease is a progressive neurodegenerative disorder affecting over 10 million people worldwide, with oxidative stress and mitochondrial dysfunction playing key roles in its progression. Studies suggest that caffeine may improve neurological function in PD patients and potentially prevent disease progression.
Parkinson's disease (PD) is a progressive neurodegenerative disorder that affects more than 10 million people worldwide. Oxidative stress and mitochondrial dysfunction play a significant role in altering the homeostasis of energy production and free radical generation. Current PD therapies are focused on reducing the cardinal symptoms rather than preventing disease progression in the patients. Adenosine A(2A) receptor (A(2A) R) antagonist (Istradephylline) combined with levodopa shows a promising therapy for PD. In animal studies, caffeine administration showed to improve motor functions and neuroprotective effect in the neurons. Caffeine is probably the most extensively used psychoactive substance. In this current study, we investigated the neuroprotective effect of caffeine against 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced neurodegeneration. Here, we demonstrate that caffeine improves behavioral and neurotransmitter recovery against MPTP-induced toxicity. Caffeine restores endogenous antioxidant levels and suppresses neuroinflammation. Our finding suggests that the blockage of A(2A)R is a promising disease-modifying therapy for PD. Target engagement strategies could be more beneficial in preventing disease progression rather than symptomatic reliefs in PD patients.
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