{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T18:25:13Z","timestamp":1777573513645,"version":"3.51.4"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2018,6,7]],"date-time":"2018-06-07T00:00:00Z","timestamp":1528329600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01AI116744"],"award-info":[{"award-number":["R01AI116744"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Motivation<\/jats:title>\n                  <jats:p>Influenza virus antigenic variants continue to emerge and cause disease outbreaks. Time-consuming, costly and middle-throughput serologic methods using virus isolates are routinely used to identify influenza antigenic variants for vaccine strain selection. However, the resulting data are notoriously noisy and difficult to interpret and integrate because of variations in reagents, supplies and protocol implementation. A novel method without such limitations is needed for antigenic variant identification.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>We developed a Graph-Guided Multi-Task Sparse Learning (GG-MTSL) model that uses multi-sourced serologic data to learn antigenicity-associated mutations and infer antigenic variants. By applying GG-MTSL to influenza H3N2 hemagglutinin sequences, we showed the method enables rapid characterization of antigenic profiles and identification of antigenic variants in real time and on a large scale. Furthermore, sequences can be generated directly by using clinical samples, thus minimizing biases due to culture-adapted mutation during virus isolation.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Availability and implementation<\/jats:title>\n                  <jats:p>MATLAB source codes developed for GG-MTSL are available through http:\/\/sysbio.cvm.msstate.edu\/files\/GG-MTSL\/.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Supplementary information<\/jats:title>\n                  <jats:p>Supplementary data are available at Bioinformatics online.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/bioinformatics\/bty457","type":"journal-article","created":{"date-parts":[[2018,6,6]],"date-time":"2018-06-06T19:10:40Z","timestamp":1528312240000},"page":"77-87","source":"Crossref","is-referenced-by-count":27,"title":["Graph-guided multi-task sparse learning model: a method for identifying antigenic variants of influenza A(H3N2) virus"],"prefix":"10.1093","volume":"35","author":[{"given":"Lei","family":"Han","sequence":"first","affiliation":[{"name":"Department of Basic Science, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA"},{"name":"Tencent AI Lab, Tencent, Shenzhen, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lei","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Basic Science, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Wen","sequence":"additional","affiliation":[{"name":"Department of Basic Science, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lei","family":"Zhong","sequence":"additional","affiliation":[{"name":"Department of Basic Science, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tong","family":"Zhang","sequence":"additional","affiliation":[{"name":"Tencent AI Lab, Tencent, Shenzhen, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiu-Feng","family":"Wan","sequence":"additional","affiliation":[{"name":"Department of Basic Science, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2018,6,7]]},"reference":[{"key":"2023013107200231000_bty457-B1","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1111\/j.1750-2659.2011.00277.x","article-title":"Improving influenza vaccine virus selectionreport of a WHO informal consultation held at WHO headquarters, Geneva, Switzerland, 14\u201316 June 2010","volume":"6","author":"Ampofo","year":"2012","journal-title":"Influenza Other Respir. 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