ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2016
The role of extracellular-5'-nucleotidase/CD73 in glioma peritumoural brain edema.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- CD73: A Promising Biomarker in Cancer Patients.Frontiers in pharmacology · 2020Article
- Improved efficacy against malignant brain tumors with EGFRwt/EGFRvIII targeting immunotoxin and checkpoint inhibitor combinations.Journal for immunotherapy of cancer · 2019Article
- Exploration of Involved Key Genes and Signaling Diversity in Brain Tumors.Cellular and molecular neurobiology · 2018Review
- Advances in clinical neurology through the journal "Neurological Sciences" (2015-2016).Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2017Article
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11 authors at 3 institutions in 1 country.
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Abstract
During pathological conditions, extracellular-5'-nucleotidase/CD73 can protect neurons by reducing the permeability of the blood brain barrier. In recent years, it has been demonstrated that CD73 can negatively contribute to the growth of gliomas; however, the function of CD73 in glioma blood vessels is not clear. We analysed the expression of CD73 in 72 glioma patients using immunohistochemistry and correspondingly compared the results with the Edema index (EI). We established an in vitro model of the blood-tumour barrier and analysed the expression of CD73 in vascular endothelial cells. Lastly, CD73 expression was inhibited in endothelial cells, and the effects of this inhibition on tight junction structure and transendothelial resistance were observed. Compared to normal brains, the expression of CD73 in blood vessels of glioma patients was significantly decreased, and the amount was lower in the centre of the tumour than the periphery. The proportion of CD73-positive blood vessels had a positive correlation with the EI. The expression of CD73 in the in vitro endothelial cell blood-tumour barrier model was decreased. Lastly, inhibiting CD73 was found to decrease the expression of tight junction related proteins in endothelial cells and to decrease the value of transendothelial electric resistance. The expression of CD73 in glioma blood vessels was significantly decreased, which may play a multi-functional role in decreasing the expression of tight junction related proteins of brain microvascular endothelial cells and may also increase blood-tumour barrier permeability and accelerate the formation of PTBE.
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