{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T23:50:58Z","timestamp":1787010658363,"version":"build-2736575974"},"posted":{"date-parts":[[2025,3,1]]},"group-title":"Immunology","reference-count":62,"publisher":"openRxiv","license":[{"start":{"date-parts":[[2025,3,1]],"date-time":"2025-03-01T00:00:00Z","timestamp":1740787200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2025,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:sec>\n                  <jats:title>Rationale<\/jats:title>\n                  <jats:p>Thymic stromal lymphopoietin (TSLP) and IL-33 are alarmins implicated in EoE pathogenesis by activating multiple cells including mast cells (MCs). Whether TSLP or IL-33 have a role in EoE and whether their activities are distinct requires further investigation.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>\n                    Experimental EoE was induced in wild type (WT)\n                    <jats:italic>\n                      Il33\n                      <jats:sup>-\/-<\/jats:sup>\n                    <\/jats:italic>\n                    and\n                    <jats:italic>\n                      Crlf2\n                      <jats:sup>-\/-<\/jats:sup>\n                    <\/jats:italic>\n                    mice. TSLP or IL-5 were neutralized using antibodies. Esophageal histopathology was determined by H&amp;E, anti-Ki67, anti-CD31 and anti-MBP staining. Esophageal RNA was subjected to RNA sequencing. Bone marrow-derived MCs were activated with TSLP and IL-13 was determined (ELISA)\n                  <\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>\n                    TSLP and IL-33 were overexpressed in human and experimental EoE. Human and mouse esophageal MCs displayed the highest level of\n                    <jats:italic>Crlf2<\/jats:italic>\n                    (TSLPR) compared to other immune cells.\n                    <jats:italic>\n                      Crlf2\n                      <jats:sup>-\/-<\/jats:sup>\n                    <\/jats:italic>\n                    mice were nearly-completely protected from EoE, and TSLP neutralization resulted in decreased basal cell proliferation, eosinophilia, lamina propria thickening and vascularization. Induction of experimental EoE in\n                    <jats:italic>\n                      Il33\n                      <jats:sup>-\/-<\/jats:sup>\n                    <\/jats:italic>\n                    mice resulted in reduced eosinophilia but no alterations in tissue remodeling were observed compared to WT mice. RNA sequencing revealed that TSLP regulates the expression of key genes associated with human EoE (e.g. eotaxins\n                    <jats:italic>, Il19, Klk5, Flg, Il36rn, Il1r2<\/jats:italic>\n                    ) and suggest a role for TSLP in regulating IL-1 signaling, barrier integrity and epithelial cell differentiation. Experimental EoE was characterized by a MC-associated gene signature and elevated MCs. Activation of MCs with TSLP resulted in secretion of IL-13.\n                  <\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>TSLP and IL-33 have non-redundant functions in experimental EoE. This study highlights TSLP as an upstream regulator of IL-13 and a potential therapeutic target for EoE.<\/jats:p>\n                <\/jats:sec>","DOI":"10.1101\/2025.02.25.640192","type":"posted-content","created":{"date-parts":[[2025,3,1]],"date-time":"2025-03-01T15:45:16Z","timestamp":1740843916000},"source":"Crossref","is-referenced-by-count":3,"title":["Distinct roles for thymic stromal lymphopoietin (TSLP) and IL-33 in experimental eosinophilic esophagitis"],"prefix":"10.64898","author":[{"given":"Anish","family":"Dsilva","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ariel","family":"Wagner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michal","family":"Itan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Rhone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shmulik","family":"Avlas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaara","family":"Gordon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Davidian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shraddha","family":"Sharma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizaveta","family":"Razravina","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Israel","family":"Zan-Bar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jane R.","family":"Parnes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin S.","family":"Gorski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph D.","family":"Sherrill","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Varol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven F.","family":"Ziegler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marc E.","family":"Rothenberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1626-3019","authenticated-orcid":false,"given":"Ariel","family":"Munitz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"54368","reference":[{"key":"2025030406551304000_2025.02.25.640192v1.1","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2017.06.065"},{"key":"2025030406551304000_2025.02.25.640192v1.2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaci.2018.05.008"},{"key":"2025030406551304000_2025.02.25.640192v1.3","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.0903069"},{"key":"2025030406551304000_2025.02.25.640192v1.4","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaci.2022.02.025"},{"key":"2025030406551304000_2025.02.25.640192v1.5","doi-asserted-by":"publisher","DOI":"10.1172\/JCI125917"},{"key":"2025030406551304000_2025.02.25.640192v1.6","doi-asserted-by":"publisher","DOI":"10.1038\/s41577-022-00735-y"},{"key":"2025030406551304000_2025.02.25.640192v1.7","doi-asserted-by":"publisher","DOI":"10.1038\/ng.547"},{"key":"2025030406551304000_2025.02.25.640192v1.8","doi-asserted-by":"publisher","DOI":"10.1038\/nm.3281"},{"key":"2025030406551304000_2025.02.25.640192v1.9","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0150968"},{"key":"2025030406551304000_2025.02.25.640192v1.10","doi-asserted-by":"publisher","DOI":"10.1016\/S2468-1253(18)30096-7"},{"key":"2025030406551304000_2025.02.25.640192v1.11","doi-asserted-by":"publisher","DOI":"10.1038\/ni1247"},{"key":"2025030406551304000_2025.02.25.640192v1.12","doi-asserted-by":"publisher","DOI":"10.1084\/jem.20051135"},{"key":"2025030406551304000_2025.02.25.640192v1.13","doi-asserted-by":"crossref","unstructured":"Rochman Y , Kotliar M , Ben-Baruch Morgenstern N , Barski A , Wen T , Rothenberg ME . 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