Cited by 42Immunotherapy and Immune ResponsesCancer Immunotherapy and BiomarkersImmunotoxicology and immune responses

The immune inhibitory receptor osteoactivin is upregulated in monocyte-derived dendritic cells by BCR–ABL tyrosine kinase inhibitors

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Schwarzbich, Mark-Alexander, Gutknecht, Michael, Salih, Julia, Salih, Helmut R., Brossart, Peter, Rittig, Susanne M., Grünebach, Frank·2012·Cancer Immunology, Immunotherapy

Abstract

Multiple approaches presently aim to combine targeted therapies using tyrosine kinase inhibitors with immunotherapy. Ex vivo-generated dendritic cells are frequently used in such strategies due to their unique ability to initiate primary T-cell immune responses. Besides governing tumor cell growth, many kinases targeted by tyrosine kinase inhibitors are involved in the development and function of dendritic cells and thus tyrosine kinase inhibitor therapy may cause immunoinhibitory side effects. We here report that exposure of developing human monocyte-derived dendritic cells to the BCR-ABL inhibitors imatinib, dasatinib, and nilotinib results in profound upregulation of the transmembrane glycoprotein osteoactivin that has recently been characterized as a negative regulator of T-cell activation. Thus, in line with osteoactivin upregulation, exposure to tyrosine kinase inhibitors resulted in significantly reduced stimulatory capacity of dendritic cells in mixed lymphocyte reactions that could be restored by the addition of blocking anti-osteoactivin antibody. Our data demonstrate that tyrosine kinase inhibitor-mediated inhibition of dendritic cell function is, at least in great part, mediated by upregulation of the immune inhibitory molecule osteoactivin.

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Crossref · 10.1007/s00262-011-1096-1

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  • Other urinary protein biomarkers (α-klotho and osteoactivin (GPNMB)) have previously demonstrated utility as predictive markers of biological age and senescent cell load, and have been altered by senolytic intervention in previous preclinical and clinical populations.

    “Further, there are other urinary protein biomarkers (i.e. α-klotho and osteoactivin (GPNMB)) that may have great value in future clinical senolytic trials, which have previously demonstrated utility as predictive markers of biological age [72] and senescent cell load [73]. Both have successfully been altered by senolytic intervention in previous preclinical and clinical populations [73,74].”

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Authors
Schwarzbich, M.-A., Gutknecht, M., Salih, J., Salih, H. R., Brossart, P., Rittig, S. M., & Grünebach, F.
Affiliations
  • University of Tübingen (DE)
  • University of Bonn (DE)
Corresponding author
Grünebach, Frank
Venue
Cancer Immunology, Immunotherapy
Published
2011-08-27
Volume
61
Issue
2
Pages
193-202
ISSN
  • 0340-7004 (ISSN-L)
  • 1432-0851
OpenAlex
W1966693183
Cited by
42
References
48
Citations by year
2026: 2 · 2025: 7 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 5 · 2017: 2 · 2016: 1 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 4
FWCI
1.72
Type
journal article
Language
en
Open access
Locations
  • Cancer Immunology Immunotherapy (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Krebshilfe
  • European Social Fund
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
GPNMB, BCR-ABL tyrosine kinase inhibitors, monocyte-derived dendritic cells, imatinib, dasatinib, nilotinib, immune inhibitory receptors, T cell activation, mixed lymphocyte reaction, immunotherapy side effects, combination therapy
MeSH terms
Imatinib Mesylate, Dasatinib, Antibodies, Monoclonal, Benzamides, Cells, Cultured, Dendritic Cells, Humans, Immunotherapy, Lymphocyte Culture Test, Mixed, Lymphocyte Activation, Membrane Glycoproteins, Piperazines, Protein-Tyrosine Kinases, Pyrimidines, T-Lymphocytes, Thiazoles, Up-Regulation, Fusion Proteins, bcr-abl, Molecular Targeted Therapy

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