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Impact of systemic therapy on circulating leukocyte populations in patients with metastatic breast cancer

Larsson, Anna Maria LU ; Roxå, Anna ; Leandersson, Karin LU orcid and Bergenfelz, Caroline LU orcid (2019) In Scientific Reports 9(1).
Abstract

Tumors affect the immune system, locally and systemically. The frequencies of specific circulating immune cell populations correlate with disease progression as well as prognosis of the patients. Although largely neglected, conventional antitumoral therapies often possess immunomodulatory properties and affect the levels of specific immune cell populations. Most information, however, derive from animal or in vitro studies. As this could impact prognosis as well as response to therapy, further studies of the effects of treatment on circulating immune cells in patients are warranted. In this pilot study, we evaluated a wide panel of circulating immune cells over time (up to six months) in ten patients with metastatic breast cancer... (More)

Tumors affect the immune system, locally and systemically. The frequencies of specific circulating immune cell populations correlate with disease progression as well as prognosis of the patients. Although largely neglected, conventional antitumoral therapies often possess immunomodulatory properties and affect the levels of specific immune cell populations. Most information, however, derive from animal or in vitro studies. As this could impact prognosis as well as response to therapy, further studies of the effects of treatment on circulating immune cells in patients are warranted. In this pilot study, we evaluated a wide panel of circulating immune cells over time (up to six months) in ten patients with metastatic breast cancer receiving standard antitumoral regimens. Overall, endocrine therapy tends to enrich for natural killer (NK) and natural killer T (NKT) cells in the circulation, whereas both chemotherapy and endocrine therapy reduce the levels of circulating monocytic myeloid-derived suppressor cells (Mo-MDSCs). This indicates that the systemic immunosuppressive profile observed in patients tends to revert over the course of systemic therapy and holds promise for future combination treatment with standard antitumoral agents and immunotherapy.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Scientific Reports
volume
9
issue
1
article number
13451
publisher
Nature Publishing Group
external identifiers
  • scopus:85072304005
  • pmid:31530882
ISSN
2045-2322
DOI
10.1038/s41598-019-49943-y
language
English
LU publication?
yes
id
a5c04d0c-fa94-473e-93f7-df05e0ddee4b
date added to LUP
2019-09-30 14:39:36
date last changed
2024-05-29 01:26:02
@article{a5c04d0c-fa94-473e-93f7-df05e0ddee4b,
  abstract     = {{<p>Tumors affect the immune system, locally and systemically. The frequencies of specific circulating immune cell populations correlate with disease progression as well as prognosis of the patients. Although largely neglected, conventional antitumoral therapies often possess immunomodulatory properties and affect the levels of specific immune cell populations. Most information, however, derive from animal or in vitro studies. As this could impact prognosis as well as response to therapy, further studies of the effects of treatment on circulating immune cells in patients are warranted. In this pilot study, we evaluated a wide panel of circulating immune cells over time (up to six months) in ten patients with metastatic breast cancer receiving standard antitumoral regimens. Overall, endocrine therapy tends to enrich for natural killer (NK) and natural killer T (NKT) cells in the circulation, whereas both chemotherapy and endocrine therapy reduce the levels of circulating monocytic myeloid-derived suppressor cells (Mo-MDSCs). This indicates that the systemic immunosuppressive profile observed in patients tends to revert over the course of systemic therapy and holds promise for future combination treatment with standard antitumoral agents and immunotherapy.</p>}},
  author       = {{Larsson, Anna Maria and Roxå, Anna and Leandersson, Karin and Bergenfelz, Caroline}},
  issn         = {{2045-2322}},
  language     = {{eng}},
  month        = {{09}},
  number       = {{1}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Scientific Reports}},
  title        = {{Impact of systemic therapy on circulating leukocyte populations in patients with metastatic breast cancer}},
  url          = {{http://dx.doi.org/10.1038/s41598-019-49943-y}},
  doi          = {{10.1038/s41598-019-49943-y}},
  volume       = {{9}},
  year         = {{2019}},
}