2022
DOI: 10.7150/ijbs.65227
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Cancer-associated adipocytes promote the invasion and metastasis in breast cancer through LIF/CXCLs positive feedback loop

Abstract: Cancer-associated adipocytes (CAAs), which are adipocytes transformed by cancer cells, are of great importance in promoting the progression of breast cancer. However, the underlying mechanisms involved in the crosstalk between cancer cells and adipocytes are still unknown. Here we report that CAAs and breast cancer cells communicate with each other by secreting the cytokines leukemia inhibitory factor (LIF) and C-X-C subfamily chemokines (CXCLs), respectively. LIF is a pro-inflammatory cytokine secreted by CAA… Show more

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Cited by 27 publications
(19 citation statements)
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“…At the same time, TGF-α does not affect the expression of CXCR2 ligands in non-triple-negative breast cancer cells. CXCL1 expression in breast cancer cells is also increased by secretory factors such as prostaglandin E 2 (PGE 2 ) [ 58 ], interleukin-17 (IL-17) derived from T helper type 17 (Th17) cells [ 59 , 60 ], loss of response to transforming growth factor-β (TGF-β) [ 61 , 62 ], tumor necrosis factor-α (TNF-α) [ 42 ], leukemia inhibitory factor (LIF) [ 63 ], plasminogen activator inhibitor-1 (PAI-1) [ 64 ], and Notch signaling [ 65 ].…”
Section: Breast Cancermentioning
confidence: 99%
“…At the same time, TGF-α does not affect the expression of CXCR2 ligands in non-triple-negative breast cancer cells. CXCL1 expression in breast cancer cells is also increased by secretory factors such as prostaglandin E 2 (PGE 2 ) [ 58 ], interleukin-17 (IL-17) derived from T helper type 17 (Th17) cells [ 59 , 60 ], loss of response to transforming growth factor-β (TGF-β) [ 61 , 62 ], tumor necrosis factor-α (TNF-α) [ 42 ], leukemia inhibitory factor (LIF) [ 63 ], plasminogen activator inhibitor-1 (PAI-1) [ 64 ], and Notch signaling [ 65 ].…”
Section: Breast Cancermentioning
confidence: 99%
“…In this respect, breast cancer adipocytes may stimulate the onset of epithelialmesenchymal transition (EMT) in breast cancer cells by expressing exosomal TSP5 [120] [114]. Mechanistically, breast adipocytes protect early breast tumor cells from ferroptosis and other ROS-mediated forms of cell death by secretion of fatty acids [121], and the crosstalk between adipocytes and malignant cells may occur via secretion of leukemia inhibitory factor (LIF) and C-X-C subfamily chemokines in a positive feedback mode [122]. Also, these cancer-associated adipocytes undergo "browning" -the process of increasing the number of mitochondria [123].…”
Section: Hypothesis: Role Of Breast Adipocytes In Early Progression O...mentioning
confidence: 99%
“…In the ovarian cancer microenvironment, cancer-associated mesenchymal stem cells activate the JAK/STAT pathway in ovarian cancer cells by secreting LIF, promoting cancer cell growth, and maintaining their stem cell properties [ 63 ]. In addition, our previous research has verified that LIF is highly expressed in cancer-associated adipocytes (CAA) and forms a feedback loop with the CXCLs derived from breast cancer to promote the invasion and metastasis of breast cancer [ 64 ].…”
Section: Lif and Cancer-associated Cachexiamentioning
confidence: 99%