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Reprogramming of lipid metabolism in cancer-associated fibroblasts potentiates migration of colorectal cancer cells.


ABSTRACT: Metabolic interaction between cancer-associated fibroblasts (CAFs) and colorectal cancer (CRC) cells plays a major role in CRC progression. However, little is known about lipid alternations in CAFs and how these metabolic reprogramming affect CRC cells metastasis. Here, we uncover CAFs conditioned medium (CM) promote the migration of CRC cells compared with normal fibroblasts CM. CAFs undergo a lipidomic reprogramming, and accumulate more fatty acids and phospholipids. CAFs CM after protein deprivation still increase the CRC cells migration, which suggests small molecular metabolites in CAFs CM are responsible for CRC cells migration. Then, we confirm that CRC cells take up the lipids metabolites that are secreted from CAFs. Fatty acids synthase (FASN), a crucial enzyme in fatty acids synthesis, is significantly increased in CAFs. CAF-induced CRC cell migration is abolished by knockdown of FASN by siRNA or reducing the uptake of fatty acids by CRC cells by sulfo-N-succinimidyloleate sodium in vitro and CD36 monoclonal antibody in vivo. To conclude, our results provide a new insight into the mechanism of CRC metastasis and suggest FASN of CAFs or CD36 of CRC cells may be potential targets for anti-metastasis treatment in the future.

SUBMITTER: Gong J 

PROVIDER: S-EPMC7181758 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Reprogramming of lipid metabolism in cancer-associated fibroblasts potentiates migration of colorectal cancer cells.

Gong Jin J   Lin Yiyun Y   Zhang Huaqin H   Liu Chunqi C   Cheng Zhong Z   Yang Xiaowei X   Zhang Jiamei J   Xiao Yuanyuan Y   Sang Na N   Qian Xinying X   Wang Liang L   Cen Xiaobo X   Du Xiao X   Zhao Yinglan Y  

Cell death & disease 20200423 4


Metabolic interaction between cancer-associated fibroblasts (CAFs) and colorectal cancer (CRC) cells plays a major role in CRC progression. However, little is known about lipid alternations in CAFs and how these metabolic reprogramming affect CRC cells metastasis. Here, we uncover CAFs conditioned medium (CM) promote the migration of CRC cells compared with normal fibroblasts CM. CAFs undergo a lipidomic reprogramming, and accumulate more fatty acids and phospholipids. CAFs CM after protein depr  ...[more]

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