IL-1B drives opposing responses in primary tumours and bone metastases; harnessing combination therapies to improve outcome in breast cancer

نویسندگان

چکیده

Abstract Breast cancer bone metastasis is currently incurable, ~75% of patients with late-stage breast develop disease recurrence in and available treatments are only palliative. We have previously shown that production the pro-inflammatory cytokine interleukin-1B (IL-1B) by cells drives preclinical vivo models. In current study, we investigated how IL-1B from tumour microenvironment interact to affect primary growth through regulation immune system, whether targeting IL-1 driven changes response improves standard care therapy for metastasis. Using syngeneic IL-1B/IL1R1 knock out mouse models combination genetic manipulation overexpress IL-1B/IL1R1, found signalling elicited an opposite tumours compared metastases. tumours, inhibited growth, impairing infiltration innate cell subsets potential anti-cancer functions but promoted enhanced migration. bone, stimulated development osteolytic cancer, combining (Doxorubicin Zoledronic acid) receptor antagonist Anakinra both had effects on treatment, its anti-inflammatory signature was maintained therapy. These data suggest may provide a useful therapeutic approach inhibit improve efficacy patients.

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IL-1 drives breast cancer growth and bone metastasis in vivo

BACKGROUND We have recently identified interleukin 1B (IL-1B) as a potential biomarker for predicting breast cancer patients at increased risk for developing bone metastasis. In mouse models, IL-1B and its receptor (IL-1R1) are upregulated in breast cancer cells that metastasise to bone compared with cells that do not. We have now investigated the functional role of IL-1 by blocking IL-1R signa...

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ژورنال

عنوان ژورنال: NPJ breast cancer

سال: 2021

ISSN: ['2374-4677']

DOI: https://doi.org/10.1038/s41523-021-00305-w