{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T08:11:07Z","timestamp":1775895067871,"version":"3.50.1"},"reference-count":33,"publisher":"American Society of Hematology","issue":"26","content-domain":{"domain":["ashpublications.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,12,28]]},"abstract":"<jats:sec>\n                  <jats:title>Abstract<\/jats:title>\n                  <jats:p>An early event in the genesis of follicular lymphoma (FL) is the acquisition of new glycosylation motifs in the B-cell receptor (BCR) due to gene rearrangement and\/or somatic hypermutation. These N-linked glycosylation motifs (N-motifs) contain mannose-terminated glycans and can interact with lectins in the tumor microenvironment, activating the tumor BCR pathway. N-motifs are stable during FL evolution, suggesting that FL tumor cells are dependent on them for their survival. Here, we investigated the dynamics and potential impact of N-motif prevalence in FL at the single-cell level across distinct tumor sites and over time in 17 patients. Although most patients had acquired at least 1 N-motif as an early event, we also found (1) cases without N-motifs in the heavy or light chains at any tumor site or time point and (2) cases with discordant N-motif patterns across different tumor sites. Inferring phylogenetic trees of the patients with discordant patterns, we observed that both N-motif\u2013positive and N-motif\u2013negative tumor subclones could be selected and expanded during tumor evolution. Comparing N-motif\u2013positive with N-motif\u2013negative tumor cells within a patient revealed higher expression of genes involved in the BCR pathway and inflammatory response, whereas tumor cells without N-motifs had higher activity of pathways involved in energy metabolism. In conclusion, although acquired N-motifs likely support FL pathogenesis through antigen-independent BCR signaling in most patients with FL, N-motif\u2013negative tumor cells can also be selected and expanded and may depend more heavily on altered metabolism for competitive survival.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1182\/blood.2023020360","type":"journal-article","created":{"date-parts":[[2023,9,8]],"date-time":"2023-09-08T20:03:30Z","timestamp":1694203410000},"page":"2296-2304","update-policy":"https:\/\/doi.org\/10.1182\/blood.2019cm0000","source":"Crossref","is-referenced-by-count":12,"title":["Follicular lymphoma evolves with a surmountable dependency on acquired glycosylation motifs in the B-cell receptor"],"prefix":"10.1182","volume":"142","author":[{"given":"Sarah","family":"Haebe","sequence":"first","affiliation":[{"name":"1Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, 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M.","family":"Grimes","sequence":"additional","affiliation":[{"name":"2Stanford Genome Technology Center, Stanford University, Stanford, CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tianqi","family":"Chen","sequence":"additional","affiliation":[{"name":"1Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steven R.","family":"Long","sequence":"additional","affiliation":[{"name":"3Department of Pathology, University of California, San Francisco, CA"},{"name":"4Department of Pathology, Stanford University School of Medicine, Stanford, CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brock","family":"Martin","sequence":"additional","affiliation":[{"name":"4Department of Pathology, Stanford University School of Medicine, Stanford, CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael 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A multi-scale, multiomic atlas of human normal and follicular lymphoma lymph nodes. bioRxiv. 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