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Circulating immune signatures in chronic pancreatitis with and without preceding acute pancreatitis: A pilot study.
Circulating immune signatures in chronic pancreatitis with and without preceding acute pancreatitis: A pilot study. Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.] Hagn-Meincke, R., Yadav, D., Andersen, D. K., Vege, S. S., Fogel, E. L., Serrano, J., Bellin, M. D., Topazian, M. D., Conwell, D. L., Li, L., Van Den Eeden, S. K., Drewes, A. M., Pandol, S. J., Forsmark, C. E., Fisher, W. E., Hart, P. A., Olesen, S. S., Park, W. G., Consortium for the Study of Chronic Pancreatitis, D. 2024Abstract
OBJECTIVE: To investigate profiles of circulating immune signatures in healthy controls and chronic pancreatitis patients (CP) with and without a preceding history of acute pancreatitis (AP).METHODS: We performed a phase 1, cross-sectional analysis of prospectively collected serum samples from the PROspective Evaluation of Chronic Pancreatitis for EpidEmiologic and Translation StuDies (PROCEED) study. All samples were collected during a clinically quiescent phase. CP subjects were categorized into two subgroups based on preceding episode(s) of AP. Healthy controls were included for comparison. Blinded samples were analyzed using an 80-plex Luminex assay of cytokines, chemokines, and adhesion molecules. Group and pairwise comparisons of analytes were performed between the subgroups.RESULTS: In total, 133 patients with CP (111 with AP and 22 without AP) and 50 healthy controls were included. Among the 80 analytes studied, CP patients with a history of AP had significantly higher serum levels of pro-inflammatory cytokines (interleukin (IL)-6, IL-8, IL-1 receptor antagonist, IL-15) and chemokines (Cutaneous T-Cell Attracting Chemokine (CTACK), Monokine induced Gamma Interferon (MIG), Macrophage-derived Chemokine (MDC), Monocyte Chemoattractant Protein-1 (MCP-1)) compared to CP without preceding AP and controls. In contrast, CP patients without AP had immune profiles characterized by low systemic inflammation and downregulation of anti-inflammatory mediators, including IL-10.CONCLUSION: CP patients with a preceding history of AP have signs of systemic inflammatory activity even during a clinically quiescent phase. In contrast, CP patients without a history of AP have low systemic inflammatory activity. These findings suggest the presence of two immunologically diverse subtypes of CP.
View details for DOI 10.1016/j.pan.2024.02.012
View details for PubMedID 38461145