Background And Aims: The COVID-19 pandemic has prompted researchers to look for effective therapeutic targets. The effect of endocannabinoid system against infectious diseases is investigated for several years. In this study, we evaluated the expression level of CNR1 and CNR2 genes in patients with COVID-19 with and without diabetes to provide new insights regarding these receptors and their potential effect in COVID-19 disease.
Methods: In this study, peripheral blood monocytes cells (PBMCs) were isolated from eight different groups including COVID-19 patients, diabetic patients, and healthy individuals. RNA were extracted to evaluate the expression level of CNR1 and CNR2 genes using real-time PCR. The correlation between the expression levels of these genes in different groups were assessed.
Results: A total of 80 samples were divided into 8 groups, with each group consisting of ten samples. When comparing severe and moderate COVID-19 groups to healthy control group, the expression levels of the CNR1 and CNR2 genes were significantly higher in the severe and moderate COVID-19 groups. There were no significant differences between the mild COVID-19 group and the healthy control group. It was found that the expression levels of these genes in patients with diabetes who were infected with SARS-COV-2 did not differ across COVID-19 groups with varying severity, but they were significantly higher when compared to healthy controls.
Conclusion: Our study suggests the possible role of endocannabinoid system during SARS-COV-2 pathogenicity as the expression of CNR1 and CNR2 were elevated during the disease.
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http://dx.doi.org/10.1016/j.dsx.2022.102499 | DOI Listing |
Neuroscience
October 2024
Laboratory of Nerve Regeneration, University of Campinas - UNICAMP, Cidade Universitaria "Zeferino Vaz", Rua Monteiro Lobato, 255, 13083-862, Campinas, SP, Brazil. Electronic address:
Sciatic nerve crush in neonatal rats leads to an extensive death of motor and sensory neurons, serving as a platform to develop new neuroprotective approaches. The endocannabinoid system plays important neuromodulatory roles and has been involved in neurodevelopment and neuroprotection. The present work investigated the role of the cannabinoid receptors CB1 and CB2 in the neuroprotective response after neonatal axotomy.
View Article and Find Full Text PDFBMC Vet Res
October 2024
USDA-ARS Forage-Animal Production Research Unit, University of Kentucky Campus, 1100 S. Limestone Rd. N220 Ag. Science North, Lexington, KY, 40546, USA.
Background: The endocannabinoid system (ECS) is highly integrated with seemingly all physiological and pathophysiological processes in the body. There is increasing interest in utilizing bioactive plant compounds, for promoting health and improving production in livestock. Given the established interaction between phytochemicals and the ECS, there are many opportunities for identification and development of therapies to address a range of diseases and disorders.
View Article and Find Full Text PDFToxicol Lett
November 2024
Department of Biological & Biomedical Sciences, North Carolina Central University, Durham, NC 27707, USA. Electronic address:
Alcohol use disorder (AUD) is defined as patterns of alcohol misuse and affects over 30 million people in the US. AUD is a systemic disease with the epidemiology of acute lung injury and excessive alcohol use established in the literature. However, the distinct mechanisms by which alcohol induces the risk of pulmonary inflammation are less clear.
View Article and Find Full Text PDFIntroduction: Research data show the impact of the endocannabinoid system on psychosis through its neurotransmission homeostatic functions. However, the effect of the endocannabinoid system genetic variability on the relationship between cannabis use and psychosis has been unexplored, even less in first-episode patients. Here, through a case-only design, we investigated the effect of cannabis use and the genetic variability of endocannabinoid receptors on clinical and cognitive outcomes in first-episode psychosis (FEP) patients.
View Article and Find Full Text PDFElife
August 2024
Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Canada.
Endometriosis (EM), characterized by the presence of endometrial-like tissue outside the uterus, is the leading cause of chronic pelvic pain and infertility in females of reproductive age. Despite its high prevalence, the molecular mechanisms underlying EM pathogenesis remain poorly understood. The endocannabinoid system (ECS) is known to influence several cardinal features of this complex disease including pain, vascularization, and overall lesion survival, but the exact mechanisms are not known.
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