{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T06:41:46Z","timestamp":1763620906379,"version":"3.40.5"},"reference-count":30,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T00:00:00Z","timestamp":1620950400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Lab Hematology"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Adult T\u2010Cell Leukemia\/Lymphoma (ATLL) is an aggressive T\u2010cell malignancy without known characteristic cytogenetic abnormalities. Recurrent mutations in <jats:italic>TP53<\/jats:italic>, <jats:italic>APC,<\/jats:italic> and epigenetic and histone\u2010modifying genes have been identified in North American ATLL. Their roles in disease progression are not yet fully elucidated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We studied the cytogenetic and Next\u2010Generation Sequencing (NGS) findings of the North American ATLL cohort at our institution and compared the findings with Japanese and other North American cohorts. We also analyzed the genetic variants in <jats:italic>TP53<\/jats:italic>, <jats:italic>APC,<\/jats:italic> and histone\u2010modifying genes and investigated the impact of their mutations on the number of mutations via NGS in ATLL.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Cases with more than 6 chromosomal breaks (n\u00a0=\u00a013) had significantly shorter overall survival compared to cases with fewer chromosomal breaks (n\u00a0=\u00a07) (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.0007). Cases with breaks on chromosome 3q (n\u00a0=\u00a04) exhibited worse survival compared to the rest of the cases (n\u00a0=\u00a016) (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.012). Chromosomal abnormalities on 3q, 14q, 1q, 1p, and 17q are likely primary changes in ATLL based on frequency and association with prognosis. The average number of mutations via NGS was significantly higher in cases with mutations in <jats:italic>TP53<\/jats:italic> (n\u00a0=\u00a08) (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.020) as well as <jats:italic>APC<\/jats:italic> (n\u00a0=\u00a06) (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.024) compared to cases without mutations in these genes. All <jats:italic>TP53<\/jats:italic> variants were pathogenic missense and truncating mutations in COSMIC database.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Cytogenetic and NGS methods are useful tools to monitor disease progression in indolent ATLL and assess prognosis in aggressive ATLL.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijlh.13577","type":"journal-article","created":{"date-parts":[[2021,5,14]],"date-time":"2021-05-14T10:26:31Z","timestamp":1620987991000},"page":"651-657","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Karyotypic complexity, TP53 pathogenic variants, and increased number of variants on Next\u2010Generation Sequencing are associated with disease progression in a North American Adult T\u2010Cell Leukemia\/Lymphoma cohort"],"prefix":"10.1111","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0131-172X","authenticated-orcid":false,"given":"Xi","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Pathology Montefiore Medical Center Albert Einstein College of Medicine Bronx NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang","family":"Shi","sequence":"additional","affiliation":[{"name":"Department of Pathology Montefiore Medical Center Albert Einstein College of Medicine Bronx NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"KH","family":"Ramesh","sequence":"additional","affiliation":[{"name":"Department of Pathology Montefiore Medical Center Albert Einstein College of Medicine Bronx NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rizwan","family":"Naeem","sequence":"additional","affiliation":[{"name":"Department of Pathology Montefiore Medical Center Albert Einstein College of Medicine Bronx 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