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Scrutinizing the Therapeutic Promise of Purinergic Receptors Targeting Depression

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Abstract

Antidepressant use has resulted in a variety of negative consequences, including permanent brain damage and erectile dysfunction. So, the purpose lies in develo** something more productive with minimal side effects and consequently improved efficacy. A growing body of evidences indicated a remarkable purinergic signalling system, which helped in dealing with this complication. This has been found to be a powerful formula in dealing with psychiatric disorders. P1 (adenosine), P2X, and P2Y (ATP) are the receptors, involved in the pathology as well as exhibiting the therapeutic action by triggering the purinergic pathway. It was found that A2A and P2X7 receptors specifically were involved and recognized as possible targets for treating depression. Further, the development of biomarkers for the diagnosis of depression has also been attributed to accelerate the process. One such biomarker includes serum uric acid. Many clinical studies reveal the importance of antagonizing P2X7 and A2A receptors, for promising research in understanding the molecular premises of depression. However, further investigations are still needed to be done to open several unfolded mysteries for a better and safe upshot. The selective antagonists for A2A and P2X7 receptors may have antidepressant effects showing positive results, in agreement with non-clinical testing. In this review, efforts are being devoted to the targeted receptors in bringing out antidepressant effects with a possible link involving depression and defined purinergic signalling. Additionally, the overview of various receptors, including their functions and distribution, is being explored in a representative way along with the biomarkers involved.

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Abbreviations

ATP:

Adenosine triphosphate

AMP:

Adenosine monophosphate

ADO:

Adenosine

GPCR:

G-protein-coupled receptor

GABA:

Gama-aminobutyric acid

ADP:

Adenosine diphosphate

UTP:

Uridine-5′-triphosphate

UDP:

Uridine-5′-diphosphate

NO:

Nitric oxide

IBD:

Inflammatory bowel disease

TME:

Tumour microenvironment

GMP:

Guanosine monophosphate

IP3:

Inositol triphosphate

OXPHOS:

Oxidative phosphorylation

IL-6:

Interleukin-6

ROS:

Reactive oxygen species

IMP:

Inosine monophosphate

cAMP:

Cyclic adenosine monophosphate

PLC:

Phospholipase C

5-HT:

5-Hydroxytriptamine

DAMP:

Damage-associated molecular patterns

SSRi:

Selective serotonin reuptake inhibitor

SNRi:

Selective norepinephrine reuptake inhibitors

CRP:

C-reactive protein

TNF-α:

Tumor necrosis factor-α

PYD:

Pyridinoline

IL-Ib:

Interleukin-1 beta

BDNF:

Brain-derived neurotrophic factor

NA:

Nor-adrenaline

GLAST:

Glutamate sodium-dependent transporter

PAMP:

Pathogen associated molecular patterns

PRP:

Pattern recognition receptors

NOD:

Nucleotide-binding oligomerisation

IFN-γ:

Interferon-gamma

TCA:

Tricyclic antidepressants

SVZ:

Subventricular zone

VEGF:

Vascular endothelial growth factor

MAOI:

Monoamine oxidase inhibitors

XO:

Xanthine oxidase

PNP:

Purine nucleoside phosphorylase

SUA:

Serum uric acid

MDD:

Major depressive disorder

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Acknowledgements

The authors would like to thank Chitkara College of Pharmacy, Chitkara University, Punjab, India, for providing basic resources for the completion of the current article.

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PS and TB: Conceived the study and wrote the article; PC, AS and SS: Figure work; HAM, MA, and HAA: Data literature and arranging; TB and AMA: Proofreading.

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Correspondence to Tapan Behl.

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Sikka, P., Behl, T., Chandel, P. et al. Scrutinizing the Therapeutic Promise of Purinergic Receptors Targeting Depression. Neurotox Res 40, 1570–1585 (2022). https://doi.org/10.1007/s12640-022-00550-2

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  • DOI: https://doi.org/10.1007/s12640-022-00550-2

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