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Review
. 2022 May 26:12:860932.
doi: 10.3389/fonc.2022.860932. eCollection 2022.

Changes in Pulmonary Microenvironment Aids Lung Metastasis of Breast Cancer

Meimei Wu  1 , Yanfang Liang  2 , Xin Zhang  1   3   4
Affiliations
Review

Changes in Pulmonary Microenvironment Aids Lung Metastasis of Breast Cancer

Meimei Wu et al. Front Oncol. .

Abstract

Breast cancer has become the most common malignant disease in the world according to the International Agency for Research on Cancer (IARC), and the most critical cause of death is distant metastasis. The lung is the extremely common visceral site for breast cancer metastasis. Lung metastasis of breast cancer is not only dependent on the invasive ability of the tumor itself, but also closely relates to the pulmonary microenvironment. In the progression of breast cancer, the formation of specific microenvironment in lungs can provide suitable conditions for the metastasis of breast cancer. Pulmonary inflammatory response, angiogenesis, extracellular matrix remodeling, some chemotherapeutic agents and so on all play important roles in the formation of the pulmonary microenvironment. This review highlights recent findings regarding the alterations of pulmonary microenvironment in lung metastasis of breast cancer, with a focus on various cells and acellular components.

Keywords: angiogenesis; breast cancer; extracellular matrix remodeling; inflammation; lung metastasis; neutrophils; pulmonary microenvironment.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
The formation of pulmonary microenvironment in lung metastasis from breast cancer. The formation of sites adapted to the survival of metastatic cancer cells is regulated by acellular components and a variety of cells, including neutrophils, vascular endothelial cells, stem cell-like lung cells, immune cells, etc.
See this image and copyright information in PMC

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