Oxidative Stress and Extracellular Matrix Remodeling Are Signature Pathways of Extracellular Vesicles Released upon Morphine Exposure on Human Brain Microvascular Endothelial Cells

Article Article scientifique Article Oxidative Stress and Extracellular Matrix Remodeling Are Signature Pathways of Extracellular Vesicles Released upon Morphine Exposure on Human Brain Microvascular Endothelial Cells eng 2022-12-04 2022-12-04 author Vujic Tatjana 0000-0001-7410-6148 804351 author Schvartz Domitille 0000-0003-1133-0462 665782 author Furlani Izadora 0000-0002-2745-7612 983862 author Meister Isabel 968890 author Gonzalez Ruiz Victor 0000-0001-7204-2363 831974 author Rudaz Serge 0000-0002-4180-5417 28978 author Sanchez Jean-Charles 0000-0002-8733-5932 24399 3926 10.3390/cells11233926 36497184 2073-4409 https://www.mdpi.com/2073-4409/11/23/3926 <p>Morphine, a commonly used antinociceptive drug in hospitals, is known to cross the blood-brain barrier (BBB) by first passing through brain endothelial cells. Despite its pain-relieving effect, morphine also has detrimental effects, such as the potential induction of redox imbalance in the brain. However, there is still insufficient evidence of these effects on the brain, particularly on the brain endothelial cells and the extracellular vesicles that they naturally release. Indeed, extracellular vesicles (EVs) are nanosized bioparticles produced by almost all cell types and are currently thought to reflect the physiological state of their parent cells. These vesicles have emerged as a promising source of biomarkers by indicating the functional or dysfunctional state of their parent cells and, thus, allowing a better understanding of the biological processes involved in an adverse state. However, there is very little information on the morphine effect on human brain microvascular endothelial cells (HBMECs), and even less on their released EVs. Therefore, the current study aimed at unraveling the detrimental mechanisms of morphine exposure (at 1, 10, 25, 50 and 100 µM) for 24 h on human brain microvascular endothelial cells as well as on their associated EVs. Isolation of EVs was carried out using an affinity-based method. Several orthogonal techniques (NTA, western blotting and proteomics analysis) were used to validate the EVs enrichment, quality and concentration. Data-independent mass spectrometry (DIA-MS)-based proteomics was applied in order to analyze the proteome modulations induced by morphine on HBMECs and EVs. We were able to quantify almost 5500 proteins in HBMECs and 1500 proteins in EVs, of which 256 and 148, respectively, were found to be differentially expressed in at least one condition. Pathway enrichment analysis revealed that the “cell adhesion and extracellular matrix remodeling” process and the “HIF1 pathway”, a pathway related to oxidative stress responses, were significantly modulated upon morphine exposure in HBMECs and EVs. Altogether, the combination of proteomics and bioinformatics findings highlighted shared pathways between HBMECs exposed to morphine and their released EVs. These results put forward molecular signatures of morphine-induced toxicity in HBMECs that were also carried by EVs. Therefore, EVs could potentially be regarded as a useful tool to investigate brain endothelial cells dysfunction, and to a different extent, the BBB dysfunction in patient circulation using these “signature pathways”.</p> BBB CNS DIA-MS HIF-1 Cell adhesion Endothelial cells Extracellular matrix remodeling Extracellular vesicles Morphine Oxidative stress Proteomics Dewey 610 Dewey 615 31 Section des sciences pharmaceutiques 17 3 Faculté de médecine 2 false 369 Biomarqueurs 635 881 Sciences analytiques Cells 11 23 ca1ee3fa-1f06-44eb-8a4f-e9d4adc61b15 Article (Published version) Public Article-scientifique-from-unpaywall.pdf 3880830 application/pdf CC BY-4.0 openAccess Faculté des sciences / Section des sciences pharmaceutiques Faculté de médecine

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Oxidative Stress and Extracellular Matrix Remodeling Are Signature Pathways of Extracellular Vesicles Released upon Morphine Exposure on Human Brain Microvascular Endothelial Cells	Cells			2022	189	331

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