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. 2022 Jun;77(6):1895-1899.
doi: 10.1111/all.15260. Epub 2022 Mar 3.

Mast cell-pain connection in eosinophilic esophagitis

Affiliations

Mast cell-pain connection in eosinophilic esophagitis

Simin Zhang et al. Allergy. 2022 Jun.
No abstract available

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Conflict of interest statement

Conflicts of Interest

M.E.R. is a consultant for Pulm One, Spoon Guru, Allakos, ClostraBio, Serpin Pharm, Celgene, Shire, Astra Zeneca, GlaxoSmithKline, Allakos, Adare, Regeneron, and Novartis and has an equity interest in the first five, as well as royalties from reslizumab (Teva Pharmaceuticals) and Up-To-Date. M.E.R. is an inventor of patents owned by Cincinnati Children’s Hospital Medical Center. T.S. has funding from the NIH and is a co-inventor of patents owned by Cincinnati Children’s Hospital Medical Center. M.H.C. is a consultant for Alimentiv (formerly Robarts Clinical Trials, Inc), Allakos, Arena, AstraZeneca, Calypso, Esocap, GlaxoSmithKline, Receptos/Celgene/BMC, Regeneron, and Takeda and received research funds from Receptos/Celgene/BMC, Regeneron, and Takeda. J.B.W. is a consultant for Allakos, Regeneron, Sanofi/Genzyme, AstraZeneca, and InveniAI and received clinical trial support from Allakos and Regeneron. S.K.G. is a consultant Abbott, Adare, Allakos, Celgene, Gossamer Bio, QOL, UpToDate, Medscape, and Viaskin and received research support from Shire, Allakos, Adare, and CEGIR (NIH U54 AI117804). J.M.S. has funding from the NIH, Regeneron, Sanofi, Novartis, and FARE; is a consultant for Regeneron, Allakos, Sanofi, Novartis, and Takeda; and is an author for UptoDate. S.A.A. has funding from NIH and is an educational speaker for MedScape and Sanofi-Regeneron, a consultant for AstraZeneca, and an author for UpToDate. M.C. received consulting fees from Regeneron, Allakos, Adare/Ellodi, Shire/Takeda, AstraZeneca, Sanofi, and Bristol Myers Squibb and received research funding from Regeneron, Allakos, Shire/Takeda, AstraZeneca, Adare/Ellodi, and Danone. E.S.D. received research funding from Adare/Ellodi, Allakos, Arena, AstraZeneca, GSK, Meritage, Miraca, Nutricia, Celgene/Receptos/BMS, Regeneron, and Shire/Takeda; received consulting fees from Abbott, Abbvie, Adare/ Ellodi, Aimmune, Allakos, Amgen, Arena, AstraZeneca, Avir, Biorasi, Calypso, Celgene/Receptos/BMS, Celldex, Eli Lilly, EsoCap, GSK, Gossamer Bio, Landos, Morphic, Nutricia, Parexel/Calyx, Phathom, Regeneron, Revolo, Robarts/Alimentiv, Salix, Sanofi, and Shire/Takeda; and received educational grants from Allakos, Banner, and Holoclara. A.K.R.S.’s co-authorship of this publication does not necessarily constitute endorsement by the National Institute of Allergy and Infectious Diseases, the National Institutes of Health or any other agency of the United States government. S.Z. has no relevant conflicts of interest. I.H. received research funding from Adare/Ellodi, Allakos, Arena, AstraZeneca, Meritage, Celgene/Receptos/BMS, Regeneron/Sanofi, and Shire/Takeda; received consulting fees from Adare/Ellodi, Allakos, Amgen, Arena, AstraZeneca, Celgene/Receptos/BMS, Eli Lilly, EsoCap, Gossamer Bio, Parexel/Calyx, Phathom, Regeneron, Sanofi, and Shire/Takeda; and is an educational speaker for MedScape and Sanofi-Regeneron.

Figures

Figure 1.
Figure 1.. MC and clinical feature association in EoE.
A, Study methodology. B, MC count and MC-associated gene correlation (CPA3, left; HPGDS, middle; CPA3+HPGDS sum, right) (Spearman correlation). C, MC-low and MC-high comparison for disease parameters. *P < 0.05 and ****P < 0.0001 (Mann–Whitney U test). D, MC-low and MC-high comparison for two-way frequencies of pain (left) and dysphagia (right). *P < 0.05 (Chi-square test). CCHMC, Cincinnati Children’s Hospital Medical Center; CEGIR, Consortium of Eosinophilic Gastrointestinal Disease Researchers; MC, mast cell; EoE, eosinophilic esophagitis; EDP, EoE Diagnostic Panel; HSS, EoE Histology Scoring System; HPF, high-power field; NS, not significant.
Figure 2.
Figure 2.. MCs and TRPV1 associate with pain in EoE.
A-C, TRPV1 (A), CPA3+HPGDS sum (MCs surrogate marker) (B), and eosinophil parameters (C) in EoE by pain. *P < 0.05 and NS (Mann–Whitney U test). D, TRPV1 correlates with MC-associated (CPA3+HPGDS sum) and eosinophil-associated genes (CLC) (Spearman correlation). E, Immunofluorescence staining of esophageal tissue for tryptase (green), TRPV1 (magenta), and DAPI (blue) (n=2). The MC (arrows)–nerve (arrowheads) distance is 45.70 μm (image 1) and 27.92 μm (image 2). MC, mast cell; EoE, eosinophilic esophagitis; HPF, high-power field; NS, not significant.

References

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Supplementary concepts