Cited by 129Protease and Inhibitor MechanismsTGF-β signaling in diseasesBlood Coagulation and Thrombosis Mechanisms

Role of Urokinase Receptor in Tumor Progression and Development

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Noh, Hyangsoon, Hong, Sungguan, Huang, Shuang·2013·Theranostics

Abstract

Elevated level of urokinase receptor (uPAR) is detected in various aggressive cancer types and is closely associated with poor prognosis of cancers. Binding of uPA to uPAR triggers the conversion of plasminogen to plasmin and the subsequent activation of metalloproteinases. These events confer tumor cells with the capability to degrade the components of the surrounding extracellular matrix, thus contributing to tumor cell invasion and metastasis. uPA-uPAR interaction also elicits signals that stimulate cell proliferation/survival and the expression of tumor-promoting genes, thus assisting tumor development. In addition to its interaction with uPA, uPAR also interacts with vitronectin and this interaction promotes cancer metastasis by activating Rac and stimulating cell migration. Although underlying mechanisms are yet to be fully elucidated, uPAR has been shown to facilitate epithelial-mesenchymal transition (EMT) and induce cancer stem cell-like properties in breast cancer cells. The fact that uPAR lacks intracellular domain suggests that its signaling must be mediated through its co-receptors. Indeed, uPAR interacts with diverse transmembrane proteins including integrins, ENDO180, G protein-coupled receptors and growth factor receptors in cancer cells and these interactions are proven to be critical for the role of uPAR in tumorigenesis. Inhibitory peptide that prevents uPA-uPAR interaction has shown the promise to prolong patients' survival in the early stage of clinical trial. The importance of uPAR's co-receptor in uPAR's tumor-promoting effects implicate that anti-cancer therapeutic agents may also be developed by disrupting the interactions between uPAR and its functional partners.

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  • The uPA-uPAR connection triggers signals that promote tumor-promoting gene expression and cell survival and proliferation.

    “Additionally, the uPA-uPAR connection triggers signals that promote tumor-promoting gene expression and cell survival and proliferation.152”

    From Smart nanoparticles for cancer therapy (2023) · cites this paper as [152]

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Authors
Noh, H., Hong, S., & Huang, S.
Affiliations
Augusta University (US)
Corresponding author
Huang, Shuang
Venue
Theranostics
Published
2013
Volume
3
Issue
7
Pages
487-495
ISSN
1838-7640 (ISSN-L)
OpenAlex
W1977264221
Cited by
129
References
118
Citations by year
2026: 11 · 2025: 3 · 2024: 5 · 2023: 10 · 2022: 8 · 2021: 11 · 2020: 7 · 2019: 7 · 2018: 9 · 2017: 22 · 2016: 13 · 2015: 15 · 2014: 5 · 2013: 3
FWCI
0.99
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Theranostics (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • Shanghai Municipal Education Commission (E03008)
  • National Institutes of Health
  • E-Institutes of Shanghai Municipal Education Commission (E 03008)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Protease and Inhibitor Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
Keywords
urokinase receptor, urokinase, tumor progression, metastasis, extracellular matrix degradation, vitronectin, Rac activation, cell migration, epithelial-mesenchymal transition, cancer stem cells, breast cancer, integrins, Endo180, G protein-coupled receptors, co-receptors, cancer therapy, peptide inhibitors
MeSH terms
Animals, Humans, Neoplasms, Neoplastic Processes, Urokinase-Type Plasminogen Activator, Signal Transduction, Receptors, Urokinase Plasminogen Activator

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