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  • Petersson, JuliaLund University,Lunds universitet,Myelomgruppen,Forskargrupper vid Lunds universitet,Myeloma research group,Lund University Research Groups (author)

Bone Marrow Neutrophils of Multiple Myeloma Patients Exhibit Myeloid-Derived Suppressor Cell Activity

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • Hindawi Limited,2021

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  • LIBRIS-ID:oai:gup.ub.gu.se/307663
  • https://gup.ub.gu.se/publication/307663URI
  • https://doi.org/10.1155/2021/6344344DOI
  • https://lup.lub.lu.se/record/eeff207d-6a93-41b9-bdad-8586289142e2URI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • Activated normal density granulocytes (NDGs) can suppress T-cell responses in a similar way as myeloid-derived suppressor cells (MDSCs). In this study, we tested the hypothesis that NDGs from blood and bone marrow of multiple myeloma (MM) patients have the ability to suppress T-cells, as MDSC. MM is an incurable plasma cell malignancy of the bone marrow. Like most malignancies, myeloma cells alter its microenvironment to promote tumor growth, including inhibition of the immune system. We found that MM NDG from the bone marrow suppressed proliferation of T-cells, in contrast to healthy donors. The inhibitory effect could not be explained by changed levels of mature or immature NDG in the bone marrow. Moreover, NDG isolated from the blood of both myeloma patients and healthy individuals could inhibit T-cell proliferation and IFN-gamma production. On the contrary to previous studies, blood NDGs did not have to be preactivated to mediate suppressive effects. Instead, they became activated during coculture, indicating that contact with activated T-cells is important for their ability to regulate T-cells. The inhibitory effect was dependent on the production of reactive oxygen species and could be reverted by the addition of its inhibitor, catalase. Our findings suggest that blood NDGs from MM patients are suppressive, but no more than NDGs from healthy donors. However, only bone marrow NDG from MM patients exhibited MDSC function. This MDSC-like suppression mediated by bone marrow NDG could be important for the growth of malignant plasma cells in MM patients.

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  • Askman, SandraLund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Myelomgruppen,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine,Myeloma research group,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments(Swepub:lu)sa0381as (author)
  • Pettersson, ÅsaLund University,Lunds universitet,Njurmedicin,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Autoimmunitet och njursjukdomar,Forskargrupper vid Lunds universitet,Myelomgruppen,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Nephrology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Autoimmunity and kidney diseases,Lund University Research Groups,Myeloma research group,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital(Swepub:lu)njur-ape (author)
  • Wichert, StinaSkåne University Hospital(Swepub:lu)med-swt (author)
  • Hellmark, ThomasLund University,Lunds universitet,Njurmedicin,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Autoimmunitet och njursjukdomar,Forskargrupper vid Lunds universitet,Nephrology,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Autoimmunity and kidney diseases,Lund University Research Groups,Skåne University Hospital(Swepub:lu)njur-the (author)
  • Johansson, ÅsaLund University,Lunds universitet,Myelomgruppen,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Myeloma research group,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital(Swepub:lu)infl-ajo (author)
  • Hansson, MarkusUniversity of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition,Skåne University Hospital(Swepub:lu)hema-mha (author)
  • MyelomgruppenForskargrupper vid Lunds universitet (creator_code:org_t)

Related titles

  • In:Journal of Immunology Research: Hindawi Limited20212314-88612314-7156

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By the author/editor
Petersson, Julia
Askman, Sandra
Pettersson, Åsa
Wichert, Stina
Hellmark, Thomas
Johansson, Åsa
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Hansson, Markus
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MEDICAL AND HEALTH SCIENCES
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and Clinical Medicin ...
and Hematology
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Clinical Medicin ...
and Cancer and Oncol ...
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Basic Medicine
and Immunology in th ...
MEDICAL AND HEALTH SCIENCES
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and Basic Medicine
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Journal of Immun ...
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University of Gothenburg
Lund University

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