{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T20:44:04Z","timestamp":1779914644611,"version":"3.53.1"},"reference-count":84,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2023,8,16]],"date-time":"2023-08-16T00:00:00Z","timestamp":1692144000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Center for Individualized Medicine, Mayo Clinic Foundation"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Rhinol\ufffdAllergy"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Epigenetics studies mechanisms such as DNA methylation, histone modifications, non-coding RNAs, and alternative polyadenylation that can modify gene activity without changing the underlying DNA nucleotide base-pair structure. Because these changes are reversible, they have potential in developing novel therapeutics. Currently, seven pharmaceutical agents targeting epigenetic changes are FDA approved and commercially available for treatment of certain cancers. However, studies investigating epigenetics in chronic rhinosinusitis (CRS) have not been undertaken previously in the United States.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The goal of this study was to investigate sinonasal DNA methylation patterns in CRS versus controls, to discern environmentally-induced epigenetic changes impacting CRS subjects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and Results<\/jats:title>\n                    <jats:p>Ethmoidal samples from CRS and inferior turbinate mucosal tissue samples from controls without CRS were studied. DNA methylation was studied by Reduced Representation Bisulfite Sequencing. RADMeth\u00ae biostatistical package was used to identify differentially methylated regions (DMRs) between CRS and controls. Ingenuity Pathway analysis of DMRs was performed to identify top upstream regulators and canonical pathways. Ninety-three samples from 64 CRS subjects (36 CRSwNP; 28 CRSsNP) and 29 controls were studied. CRS and control samples differed in 13\u2009662 CpGs sites and 1381 DMRs. Top upstream regulators identified included: 1. CRS versus controls: TGFB1, TNF, TP53, DGCR8, and beta-estradiol. 2. CRSwNP versus controls: TGFB1, CTNNB1, lipopolysaccharide, ID2, and TCF7L2. 3. CRSsNP versus controls: MYOD1, acetone, ID2, ST8SIA4, and LEPR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Differential patterns of methylation were identified between controls and CRS, CRSwNP, and CRSsNP. Epigenetic, environmentally-induced changes related to novel, inflammatory, immunologic, and remodeling pathways appear to affect epithelial integrity, cell proliferation, homeostasis, vascular permeability, and other yet uncharacterized pathways and genes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19458924231193526","type":"journal-article","created":{"date-parts":[[2023,8,16]],"date-time":"2023-08-16T07:17:54Z","timestamp":1692170274000},"page":"692-704","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["Genome-wide Epigenetic Study of Chronic Rhinosinusitis Tissues Reveals Dysregulated Inflammatory, Immunologic and Remodeling Pathways"],"prefix":"10.1177","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1523-6003","authenticated-orcid":false,"given":"Tripti","family":"Brar","sequence":"first","affiliation":[{"name":"Department of Otolaryngology-Head & Neck Surgery, Mayo Clinic, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saurabh","family":"Baheti","sequence":"additional","affiliation":[{"name":"Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8672-0310","authenticated-orcid":false,"given":"Michael J.","family":"Marino","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology-Head & Neck Surgery, Mayo Clinic, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirohito","family":"Kita","sequence":"additional","affiliation":[{"name":"Department of Allergy, Asthma and Clinical Immunology, Mayo Clinic, Scottsdale, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Devyani","family":"Lal","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology-Head & Neck Surgery, Mayo Clinic, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,8,16]]},"reference":[{"key":"bibr1-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaci.2022.02.016"},{"key":"bibr2-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1002\/alr.22741"},{"key":"bibr3-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.44.7.712"},{"issue":"7","key":"bibr4-19458924231193526","volume":"17","author":"Ptashne M","year":"2007","journal-title":"Curr Biol [Internet]"},{"key":"bibr5-19458924231193526","doi-asserted-by":"publisher","DOI":"10.18176\/jiaci.0673"},{"key":"bibr6-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1016\/j.cbpa.2019.01.024"},{"key":"bibr7-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1016\/j.gene.2021.146133"},{"key":"bibr8-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1016\/j.mam.2012.07.018"},{"key":"bibr9-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1038\/npp.2012.112"},{"key":"bibr10-19458924231193526","doi-asserted-by":"publisher","DOI":"10.1016\/j.tig.2022.03.010"},{"key":"bibr11-19458924231193526","doi-asserted-by":"publisher","DOI":"10.4161\/epi.6.7.16537"},{"key":"bibr12-19458924231193526","first-page":"1","volume":"28","author":"Nepali K","year":"2021","journal-title":"Journal of Biomedical Science. 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