{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T00:06:15Z","timestamp":1791331575290,"version":"4.3.1"},"reference-count":30,"publisher":"American Society of Clinical Oncology (ASCO)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCO"],"published-print":{"date-parts":[[2007,2,1]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>Despite the generally favorable clinical course in follicular lymphoma (FL), a minority of patients have a poor prognosis\u2014with death within 3 years of diagnosis\u2014most often due to transformation to aggressive disease.<\/jats:p><\/jats:sec><jats:sec><jats:title>Patients and Methods<\/jats:title><jats:p>In this study, we analyzed the potential of predicting early transformation on the basis of gene expression and immunologic parameters in FL biopsy samples taken at diagnosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>At the gene-expression level, FL is a highly uniform disease at the time of diagnosis, precluding the detection of sufficiently validated prognostic gene-expression profiles suitable for a clinical setting. Combinations of differentially expressed genes indicate that immunologic mechanisms play a differential role in the risk of early transformation. Using immunohistochemistry for specific cell populations, the spatial distribution to neoplastic follicles and the activation of CD4\u2013positive T-helper cells (P = .002) and specifically T-helper 1 (P = .004) were shown to be highly discriminatory to predict early transformation. A role for functional modulation of follicular dendritic cells could also be supported (P = .04). Other cell populations, including CD68-positive macrophages and regulatory T cells, were not differentially present.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>These results support the identification of FL as an immunologically functional disease in which an interaction of the tumor cells and the functional composition of the microenvironment determines the clinical behavior.<\/jats:p><\/jats:sec>","DOI":"10.1200\/jco.2006.06.1648","type":"journal-article","created":{"date-parts":[[2007,1,3]],"date-time":"2007-01-03T02:43:49Z","timestamp":1167792229000},"page":"390-398","source":"Crossref","is-referenced-by-count":215,"title":["Gene-Expression and Immunohistochemical Study of Specific T-Cell Subsets and Accessory Cell Types in the Transformation and Prognosis of Follicular Lymphoma"],"prefix":"10.1200","volume":"25","author":[{"given":"Annuska M.","family":"Glas","sequence":"first","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; Agendia BV; Department of Hematology, Academic Medical Center, Amsterdam, the Netherlands; Department of Pathology, Central Laboratories, Friesland; Department of Pathology, Radboud University Medical Center Nijmegen; Department of Hematology, Radboud University Medical Center Nijmegen, Nijmegen; Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands; and the Experimental..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laurent","family":"Knoops","sequence":"additional","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; Agendia BV; Department of Hematology, Academic Medical Center, Amsterdam, the Netherlands; Department of Pathology, Central Laboratories, Friesland; Department of Pathology, Radboud University Medical Center Nijmegen; Department of Hematology, Radboud University Medical Center Nijmegen, Nijmegen; Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands; and the Experimental..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonie","family":"Delahaye","sequence":"additional","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; Agendia BV; Department of Hematology, Academic Medical Center, Amsterdam, the Netherlands; Department of Pathology, Central Laboratories, Friesland; Department of Pathology, Radboud University Medical Center Nijmegen; Department of Hematology, Radboud University Medical Center Nijmegen, Nijmegen; Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands; and the Experimental..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie Jos\u00e9","family":"Kersten","sequence":"additional","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; Agendia BV; Department of Hematology, Academic Medical Center, Amsterdam, the Netherlands; Department of Pathology, Central Laboratories, Friesland; Department of Pathology, Radboud University Medical Center Nijmegen; Department of Hematology, Radboud University Medical Center Nijmegen, Nijmegen; Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands; and the Experimental..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robby E.","family":"Kibbelaar","sequence":"additional","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; Agendia BV; Department of Hematology, Academic Medical Center, Amsterdam, the Netherlands; Department of Pathology, Central Laboratories, Friesland; Department of Pathology, Radboud University Medical Center Nijmegen; Department of Hematology, Radboud University Medical Center Nijmegen, Nijmegen; Department of Pathology, University Medical Center Groningen, Groningen, the Netherlands; and the Experimental..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lodewyk A.","family":"Wessels","sequence":"additional","affiliation":[{"name":"From the Departments of Pathology and Medical Oncology\/Hematology, the Netherlands Cancer Institute; 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