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Cited by 527

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Identification of a CD11b+/Gr-1+/CD31+ myeloid progenitor capable of activating or suppressing CD8+T cells

Open access
Bronte, Vincenzo, Apolloni, Elisa, Cabrelle, Anna, Ronca, Roberto, Serafini, Paolo, Zamboni, Paola, Restifo, Nicholas P., Zanovello, Paola·2000·Blood

Abstract

Apoptotic death of CD8+ T cells can be induced by a population of inhibitory myeloid cells that are double positive for the CD11b and Gr-1 markers. These cells are responsible for the immunosuppression observed in pathologies as dissimilar as tumor growth and overwhelming infections, or after immunization with viruses. The appearance of a CD11b+/Gr-1+ population of inhibitory macrophages (iMacs) could be attributed to high levels of granulocyte-macrophage colony-stimulating factor (GM-CSF) in vivo. Deletion of iMacs in vitro or in vivo reversed the depression of CD8+ T-cell function. We isolated iMacs from the spleens of immunocompromised mice and found that these cells were positive for CD31, ER-MP20 (Ly-6C), and ER-MP58, markers characteristic of granulocyte/monocyte precursors. Importantly, although iMacs retained their inhibitory properties when cultured in vitro in standard medium, suppressive functions could be modulated by cytokine exposure. Whereas culture with the cytokine interleukin 4 (IL-4) increasediMac inhibitory activity, these cells could be differentiated into a nonadherent population of fully mature and highly activated dendritic cells when cultured in the presence of IL-4and GM-CSF. A common CD31+/CD11b+/Gr-1+ progenitor can thus give rise to cells capable of either activating or inhibiting the function of CD8+ T lymphocytes, depending on the cytokinemilieu that prevails during antigen-presenting cell maturation.

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Metadata

Authors
Bronte, V., Apolloni, E., Cabrelle, A., Ronca, R., Serafini, P., Zamboni, P., Restifo, N. P., & Zanovello, P.
Venue
Blood
Published
2000-12-01
Volume
96
Issue
12
Pages
3838-3846
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W1598162705
Cited by
527
References
37
FWCI
2.81
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Identification of a CD11b+/Gr-1+/CD31+ myeloid progenitor capable of activating or suppressing CD8+T cells. https://app.cochat.ai/papers/10.1182/blood.v96.12.3838
The paper
Bronte, V., Apolloni, E., Cabrelle, A., Ronca, R., Serafini, P., Zamboni, P., Restifo, N. P., & Zanovello, P. (2000). Identification of a CD11b+/Gr-1+/CD31+ myeloid progenitor capable of activating or suppressing CD8+T cells. Blood. https://doi.org/10.1182/blood.v96.12.3838

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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