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| Main Authors: | , , , , , , , |
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| Format: | Artículo Open Access |
| Published: |
Wiley
2026
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| Subjects: | |
| Online Access: | https://pathsocjournals.onlinelibrary.wiley.com/doi/10.1002/path.70076 |
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Table of Contents:
- Disrupted endocannabinoid signaling contributes to systemic inflammation in acute pancreatitis Paula Goncalves‐Romeu Karina Cárdenas‐Jaen Enrique de‐Madaria José María Hernández Lourdes Fluvià Laura Torres‐Ribas Daniel Closa Raquel Guillamat‐Prats The Journal of Pathology Abstract Acute pancreatitis (AP) is an inflammatory disease that can lead to systemic complications in severe cases. The endocannabinoid system has emerged as a potential modulator of inflammation in AP. We investigated the role of the endocannabinoid 2‐arachidonoylglycerol (2‐AG) and the cannabinoid receptors CB1 and CB2 during AP. A severity‐dependent decrease in circulating 2‐AG was found both in patients and a murine AP model. Restoring 2‐AG – by avoiding its degradation via monoacylglycerol lipase inhibitor or direct 2‐AG administration – reduced local and systemic inflammation, modulated peritoneal macrophage polarization, and mitigated lung injury. Notably, endocannabinoid system effects were consistent across sexes. Both cannabinoid receptors were involved in disease pathophysiology. Genetic Cnr1 knockout and pharmacological CB2 blockade showed distinct and complementary roles of both receptors in regulating inflammation, immune infiltration, and pulmonary damage. These findings highlight a protective role for 2‐AG and highlight the endocannabinoid system – and cannabinoid receptors in particular – as a promising therapeutic target to modulate inflammation and reduce systemic complications in acute pancreatitis. © 2026 The Author(s). The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland. 10.1002/path.70076 http://creativecommons.org/licenses/by-nc-nd/4.0/