Bone Marrow Adipocytes Provide Early Sign for Progression from MGUS to Multiple Myeloma | Oncotarget

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January 19, 2024

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  • Oncotarget published this research perspective on January 16, 2024 in Volume 15, entitled, “Bone marrow adipocytes provide early sign for progression from MGUS to multiple myeloma" by researchers from the Danish Spatial Imaging Consortium (DanSIC); Department of Clinical Research, Molecular Bone Histology (MBH) Lab, University of Southern Denmark, Odense, Denmark; Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Forensic Medicine, Molecular Bone Histology (MBH) Lab, University of Aarhus, Aarhus, Denmark; Department of Hematology Odense University Hospital, Odense, Denmark; Department of Hematology, Lillebaelt Hospital, Vejle, Denmark; Department of Pathology, Odense University Hospital, Odense, Denmark. DOI - https://doi.org/10.18632/oncotarget.28548 Correspondence to - Abbas Jafari - ajafari@sund.ku.dk, Marta Diaz-delCastillo - marta@forens.au.dk, and Thomas L. Andersen - thomas.levin.andersen@rsyd.dk Abstract Multiple Myeloma (MM) is the second most common hematological malignancy and is characterized by clonal expansion of malignant plasma cells in the bone marrow. In spite of recent advances in the field of MM, the disease has remained incurable. MM is preceded by a premalignant state known as monoclonal gammopathy of undetermined significance (MGUS), with a risk of progression to MM of 1% per year. Establishing a scalable approach that refines the identification of MGUS patients at high risk of progression to MM can transform the clinical management of the disease, improve the patient’s quality of life, and will have significant socioeconomic implications. Here, we provide evidence that changes in the bone marrow adipose tissue (BMAT) provide an early sign for progression from MGUS to MM. We employed AI-assisted histological analysis of unstained bone marrow biopsies from MGUS subjects with or without progression to MM within 10 years (n = 24, n = 17 respectively). Although the BMAT fraction was not different between the two groups, bone marrow adipocyte (BMAd) density was decreased in MGUS patients who developed MM, compared to non-progressing MGUS patients. Importantly, the distribution profile for BMAd size and roundness was significantly different between the two groups, indicating a shift toward increased BMAd size and roundness in MGUS patients who developed MM. These early changes in the BMAT could serve as valuable early indicators for the transition from MGUS to MM, potentially enabling timely interventions and personalized treatment strategies. Finally, the AI-based approach for histological characterization of unstained bone marrow biopsies is cost-effective and fast, rendering its clinical implementation feasible. Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28548 Subscribe for free publication alerts from Oncotarget - https://www.oncotarget.com/subscribe/ Keywords - cancer, multiple myeloma, MGUS, bone marrow adipocyte About Oncotarget Oncotarget (a primarily oncology-focused, peer-reviewed, open access journal) aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science. To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: SoundCloud - https://soundcloud.com/oncotarget Facebook - https://www.facebook.com/Oncotarget/ X - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/@OncotargetJournal LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Media Contact MEDIA@IMPACTJOURNALS.COM 18009220957

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