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Papers of the Week

Papers: 16 Jul 2022 - 22 Jul 2022

2022 Apr-Jun

J Microsc Ultrastruct



The Endocannabinoid System as a Therapeutic Target in Diabetic Peripheral Neuropathic Pain: A Review.



Diabetic peripheral neuropathy (DPN) is characterized by progressive loss of peripheral nerves, which causes numbness, weakness, and severe pain. The medications available currently provide only modest relief from the pain of DPN and are associated with various side effects, which has generated an enormous demand for research on new therapeutic approaches. Dysregulation of the endocannabinoid system has been reported in DPN. Cannabinoid-based medications have gained increasing attention as a potential therapy to alleviate DPN pain. Endocannabinoids and cannabinoids' actions are mediated primarily by cannabinoid receptor 1 (CBR) and cannabinoid receptor 2 (CBR). Cannabinoids that activate CBR have demonstrated a profound antinociceptive effect, although CBR is associated with undesirable psychoactive effects. Peripherally restricted CBR agonists help overcome this problem; however, adverse metabolic and cardiovascular effects limit its therapeutic use. In contrast, CBR antagonists, selective CBR agonists, and endocannabinoid metabolizing enzymes inhibitors alleviate DPN pain effectively with minimal side effects. This article provides a concise overview of the preclinical and clinical studies that have tested the therapeutic potential of targeting the endocannabinoid system to treat painful DPN.