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微小RNA-6084通过细胞外囊泡调控结直肠癌的血管生成和肝转移。

MicroRNA-6084 orchestrates angiogenesis and liver metastasis in colorectal cancer via extracellular vesicles.

作者信息

Zhang Yang, Yang Xuyang, Zhang Su, Huang Qing, Liu Sicheng, Qiu Lei, Wei Mingtian, Deng Xiangbing, Meng Wenjian, Chen Hai-Ning, Zhang Yaguang, Han Junhong, Wang Ziqiang

机构信息

Colorectal Cancer Center.

Department of General Surgery, and.

出版信息

JCI Insight. 2025 Jun 10;10(14). doi: 10.1172/jci.insight.189503. eCollection 2025 Jul 22.


DOI:10.1172/jci.insight.189503
PMID:40493409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12288965/
Abstract

The prognosis for colorectal cancer (CRC) patients with liver metastasis remains poor, and the molecular mechanisms driving CRC liver metastasis are not fully understood. Tumor-derived hypoxia-induced extracellular vesicles have emerged as key players in inducing angiogenesis by transferring noncoding RNAs. However, the specific role of CRC-derived hypoxic extracellular vesicles (H-EVs) in regulating premetastatic microenvironment (PMN) formation by inducing angiogenesis remains unclear. Our study demonstrates that H-EVs induce angiogenesis and liver metastasis. Through microRNA microarray analysis, we identified a reduction in miR-6084 levels within H-EVs. We found that miR-6084 inhibited angiogenesis by being transferred to endothelial cells via EVs. In endothelial cells, miR-6084 directly targeted angiopoietin like 4 (ANGPTL4) mRNA, thereby suppressing angiogenesis through the ANGPTL4-mediated JAK2/STAT3 pathway. Furthermore, we uncovered that specificity protein 1 (SP1) acted as a transcription factor regulating miR-6084 transcription, while hypoxia-inducible factor 1A (HIF1A) decreased miR-6084 expression by promoting SP1 protein dephosphorylation and facilitating ubiquitin-proteasome degradation in SW620 cells. In clinical samples, we observed low expression of miR-6084 in plasma-derived EVs from CRC patients with liver metastasis. In summary, our findings suggest that CRC-derived H-EVs promote angiogenesis and liver metastasis through the HIF1A/SP1/miR-6084/ANGPTL4 axis. Additionally, miR-6084 holds promise as a diagnostic and prognostic biomarker for CRC liver metastasis.

摘要

结直肠癌(CRC)肝转移患者的预后仍然很差,驱动CRC肝转移的分子机制尚未完全明确。肿瘤来源的缺氧诱导细胞外囊泡已成为通过转移非编码RNA诱导血管生成的关键因素。然而,CRC来源的缺氧细胞外囊泡(H-EVs)在通过诱导血管生成调节转移前微环境(PMN)形成中的具体作用仍不清楚。我们的研究表明,H-EVs诱导血管生成和肝转移。通过microRNA微阵列分析,我们发现H-EVs中miR-6084水平降低。我们发现miR-6084通过EVs转移到内皮细胞来抑制血管生成。在内皮细胞中,miR-6084直接靶向血管生成素样4(ANGPTL4)mRNA,从而通过ANGPTL4介导的JAK2/STAT3途径抑制血管生成。此外,我们发现特异性蛋白1(SP1)作为调节miR-6084转录的转录因子,而缺氧诱导因子1A(HIF1A)通过促进SP1蛋白去磷酸化并促进SW620细胞中泛素-蛋白酶体降解来降低miR-6084表达。在临床样本中,我们观察到来自CRC肝转移患者血浆来源的EVs中miR-6084表达较低。总之,我们的研究结果表明,CRC来源的H-EVs通过HIF1A/SP1/miR-6084/ANGPTL4轴促进血管生成和肝转移。此外,miR-6084有望成为CRC肝转移的诊断和预后生物标志物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/cfa8f87c386d/jciinsight-10-189503-g040.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/1c752c1d4cdf/jciinsight-10-189503-g034.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/2cfa7ce654c2/jciinsight-10-189503-g035.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/d475d7b5cb71/jciinsight-10-189503-g036.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/e587935ce4ed/jciinsight-10-189503-g037.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/d9324ff555e9/jciinsight-10-189503-g038.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/153f6a656a04/jciinsight-10-189503-g039.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/cfa8f87c386d/jciinsight-10-189503-g040.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/1c752c1d4cdf/jciinsight-10-189503-g034.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/2cfa7ce654c2/jciinsight-10-189503-g035.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/d475d7b5cb71/jciinsight-10-189503-g036.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/e587935ce4ed/jciinsight-10-189503-g037.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/d9324ff555e9/jciinsight-10-189503-g038.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/153f6a656a04/jciinsight-10-189503-g039.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/167d/12288965/cfa8f87c386d/jciinsight-10-189503-g040.jpg

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引用本文的文献

[1]
Adipocytes-induced ANGPTL4/KLF4 axis drives glycolysis and metastasis in triple-negative breast cancer.

J Exp Clin Cancer Res. 2025-7-4

本文引用的文献

[1]
Adipose-derived stem cells promote glycolysis and peritoneal metastasis via TGF-β1/SMAD3/ANGPTL4 axis in colorectal cancer.

Cell Mol Life Sci. 2024-4-21

[2]
Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches.

J Extracell Vesicles. 2024-2

[3]
Inhibition of extracellular vesicle-derived miR-146a-5p decreases progression of melanoma brain metastasis via Notch pathway dysregulation in astrocytes.

J Extracell Vesicles. 2023-10

[4]
Hypoxia derived exosomes promote the proliferation and metastasis of colorectal cancer through the regulation of HIF-1α/miR-4299/ZBTB4.

Life Sci. 2023-9-15

[5]
Irbesartan overcomes gemcitabine resistance in pancreatic cancer by suppressing stemness and iron metabolism via inhibition of the Hippo/YAP1/c-Jun axis.

J Exp Clin Cancer Res. 2023-5-4

[6]
The potential crosstalk between tumor and plasma cells and its association with clinical outcome and immunotherapy response in bladder cancer.

J Transl Med. 2023-5-3

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Colorectal cancer-derived extracellular vesicles induce liver premetastatic immunosuppressive niche formation to promote tumor early liver metastasis.

Signal Transduct Target Ther. 2023-3-6

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CA Cancer J Clin. 2023

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Genes (Basel). 2022-11-25

[10]
Cancer-derived exosomal miR-197-3p confers angiogenesis via targeting TIMP2/3 in lung adenocarcinoma metastasis.

Cell Death Dis. 2022-12-9

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