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Cited by 236

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Heterotypic CAF-tumor spheroids promote early peritoneal metastasis of ovarian cancer

Open access
Gao, Qinglei, Yang, Zongyuan, Xu, Sen, Li, Xiaoting, Yang, Xin, Jin, Ping, Liu, Yi, Zhou, Xiaoshui, Zhang, Taoran, Gong, Cheng, Wei, Xiao, Liu, Dan, Sun, Chaoyang, Chen, Gang, Hu, Junbo, Meng, Li, Zhou, Jianfeng, Sawada, Kenjiro, Fruscio, Robert, Grunt, Thomas W., Wischhusen, Jörg, Vargas-Hernández, Víctor Manuel, Pothuri, Bhavana, Coleman, Robert L.·2019·Journal of Experimental Medicine

Abstract

High-grade serous ovarian cancer (HGSOC) is hallmarked by early onset of peritoneal dissemination, which distinguishes it from low-grade serous ovarian cancer (LGSOC). Here, we describe the aggressive nature of HGSOC ascitic tumor cells (ATCs) characterized by integrin α5high (ITGA5high) ATCs, which are prone to forming heterotypic spheroids with fibroblasts. We term these aggregates as metastatic units (MUs) in HGSOC for their advantageous metastatic capacity and active involvement in early peritoneal dissemination. Intriguingly, fibroblasts inside MUs support ATC survival and guide their peritoneal invasion before becoming essential components of the tumor stroma in newly formed metastases. Cancer-associated fibroblasts (CAFs) recruit ITGA5high ATCs to form MUs, which further sustain ATC ITGA5 expression by EGF secretion. Notably, LGSOC is largely devoid of CAFs and the resultant MUs, which might explain its metastatic delay. These findings identify a specialized MU architecture that amplifies the tumor–stroma interaction and promotes transcoelomic metastasis in HGSOC, providing the basis for stromal fibroblast-oriented interventions in hampering OC peritoneal propagation.

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Metadata

Authors
Gao, Q., Yang, Z., Xu, S., Li, X., Yang, X., Jin, P., Liu, Y., Zhou, X., Zhang, T., Gong, C., Wei, X., Liu, D., Sun, C., Chen, G., Hu, J., Meng, L., Zhou, J., Sawada, K., Fruscio, R., Grunt, T. W., Wischhusen, J., Vargas-Hernández, V. M., Pothuri, B., & Coleman, R. L.
Venue
Journal of Experimental Medicine
Published
2019-02-01
Volume
216
Issue
3
Pages
688-703
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2912410416
Cited by
236
References
6
FWCI
23.09
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Heterotypic CAF-tumor spheroids promote early peritoneal metastasis of ovarian cancer. https://app.cochat.ai/papers/10.1084/jem.20180765
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Gao, Q., Yang, Z., Xu, S., Li, X., Yang, X., Jin, P., Liu, Y., Zhou, X., Zhang, T., Gong, C., Wei, X., Liu, D., Sun, C., Chen, G., Hu, J., Meng, L., Zhou, J., Sawada, K., Fruscio, R., . . . Coleman, R. L. (2019). Heterotypic CAF-tumor spheroids promote early peritoneal metastasis of ovarian cancer. Journal of Experimental Medicine. https://doi.org/10.1084/jem.20180765

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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