Cannabidiol reduces lung injury induced by hypoxic-ischemic brain damage in newborn piglets
BackgroundBrain hypoxic-ischemic (HI) damage induces distant inflammatory lung damage in newborn pigs. We aimed to investigate the effects of cannabidiol (CBD) on lung damage in this scenario.MethodsNewborn piglets received intravenous vehicle, CBD, or CBD+WAY100635 (5-HT1A receptor antagonist) after HI brain damage (carotid flow interruption and FiO2 0.10 for 30 min). Total lung compliance (TLC), oxygenation index (OI), and extravascular lung water content (EVLW) were monitored for 6 h. Histological damage, interleukin (IL)-1β concentration, and oxidative stress were assessed in brain and lung tissue. Total protein content was determined in bronchoalveolar lavage fluid (BALF).ResultsCBD prevented HI-induced deleterious effects on TLC and OI and reduced lung histological damage, modulating inflammation (decreased leukocyte infiltration and IL-1 concentration) and reducing protein content in BALF and EVLW. These effects were related to CBD-induced anti-inflammatory changes in the brain. HI did not increase oxidative stress in the lungs. In the lungs, WAY100635 blunted the beneficial effects of CBD on histological damage, IL-1 concentration, and EVLW.ConclusionsCBD reduced brain HI-induced distant lung damage, with 5-HT1A receptor involvement in these effects. Whether the effects of CBD on the lungs were due to the anti-inflammatory effects on the brain or due to the direct effects on the lungs remains to be elucidated..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:82 |
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| Enthalten in: |
Pediatric research - 82(2017), 1, Seite 79 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Luis Arruza [VerfasserIn] |
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| doi: |
10.1038/pr.2017.104 |
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| PPN (Katalog-ID): |
OLC199468450X |
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| 520 | |a BackgroundBrain hypoxic-ischemic (HI) damage induces distant inflammatory lung damage in newborn pigs. We aimed to investigate the effects of cannabidiol (CBD) on lung damage in this scenario.MethodsNewborn piglets received intravenous vehicle, CBD, or CBD+WAY100635 (5-HT1A receptor antagonist) after HI brain damage (carotid flow interruption and FiO2 0.10 for 30 min). Total lung compliance (TLC), oxygenation index (OI), and extravascular lung water content (EVLW) were monitored for 6 h. Histological damage, interleukin (IL)-1β concentration, and oxidative stress were assessed in brain and lung tissue. Total protein content was determined in bronchoalveolar lavage fluid (BALF).ResultsCBD prevented HI-induced deleterious effects on TLC and OI and reduced lung histological damage, modulating inflammation (decreased leukocyte infiltration and IL-1 concentration) and reducing protein content in BALF and EVLW. These effects were related to CBD-induced anti-inflammatory changes in the brain. HI did not increase oxidative stress in the lungs. In the lungs, WAY100635 blunted the beneficial effects of CBD on histological damage, IL-1 concentration, and EVLW.ConclusionsCBD reduced brain HI-induced distant lung damage, with 5-HT1A receptor involvement in these effects. Whether the effects of CBD on the lungs were due to the anti-inflammatory effects on the brain or due to the direct effects on the lungs remains to be elucidated. | ||
| 650 | 4 | |a Hogs | |
| 650 | 4 | |a Oxidative stress | |
| 650 | 4 | |a Hypoxia | |
| 650 | 4 | |a Lungs | |
| 650 | 4 | |a Brain damage | |
| 650 | 4 | |a Inflammation | |
| 700 | 0 | |a Maria Ruth Pazos |4 oth | |
| 700 | 0 | |a Nagat Mohammed |4 oth | |
| 700 | 0 | |a Natalia Escribano |4 oth | |
| 700 | 0 | |a Hector Lafuente |4 oth | |
| 700 | 0 | |a Martín Santos |4 oth | |
| 700 | 0 | |a Francisco J Alvarez-díaz |4 oth | |
| 700 | 0 | |a William Hind |4 oth | |
| 700 | 0 | |a Jose Martínez-orgado |4 oth | |
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