Cited by 54Cell Adhesion Molecules ResearchCellular Mechanics and InteractionsCancer Cells and Metastasis

Impaired formation of homotypic cell-in-cell structures in human tumor cells lacking alpha-catenin expression

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Wang, Manna, Ning, Xiangkai, Chen, Ang, Huang, Hongyan, Ni, Chao, Zhou, Changxi, Yu, Kaitao, Lan, Sanchun +7 more·2015·Scientific Reports

Abstract

Although cell-in-cell structures (CICs) could be detected in a wide range of human tumors, homotypic CICs formed between tumor cells occur at low rate for most of them. We recently reported that tumor cells lacking expression of E- and P-cadherin were incapable of forming homotypic CICs by entosis and re-expression of E- or P-cadherin was sufficient to induce CICs formation in these tumor cells. In this work, we found that homotypic CICs formation was impaired in some tumor cells expressing high level of E-cadherin due to loss expression of alpha-catenin (α-catenin), a molecular linker between cadherin-mediated adherens junctions and F-actin. Expression of α-catenin in these tumor cells restored cell-cell adhesion and promoted CICs formation in a ROCK kinase-dependent way. Thus, our work identified α-catenin as another molecule in addition to E- and P-cadherin that were targeted to inactivate homotypic CICs formation in human tumor cells.

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  • Uptake of entotic cells is an integrin-independent process promoted by formation of junctions between engulfing and entotic cells involving CDH1 and CTNNA1.

    “the uptake of entotic cells is an integrin-independent process promoted by the formation of junctions between engulfing and entotic cells that involve the adhesion proteins cadherin 1 (CDH1; also known as E-cadherin) and catenin alpha 1 (CTNNA1) [694, 699].”

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Authors
Wang, M., Ning, X., Chen, A., Huang, H., Ni, C., Zhou, C., Yu, K., Lan, S., Wang, Q., Li, S., Liu, H., Wang, X., Chen, Z., Ma, L., & Sun, Q.
Affiliations
  • Southern Medical University (CN)
  • Capital Medical University (CN)
  • Chinese PLA General Hospital (CN)
  • Academy of Military Medical Sciences (CN)
  • Second Military Medical University (CN)
Corresponding author
  • Chen, Zhaolie
  • Ma, Li
  • Sun, Qiang
Venue
Scientific Reports
Published
2015-07-20
Volume
5
Issue
1
Pages
12223-12223
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2271849284
Cited by
54
References
33
Citations by year
2026: 1 · 2025: 3 · 2024: 5 · 2023: 4 · 2022: 6 · 2021: 6 · 2020: 3 · 2019: 9 · 2018: 7 · 2017: 4 · 2016: 4 · 2015: 2
FWCI
5.01
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81471578, 81472588, 81371764)
  • National Key Research and Development Program of China (2015CB553704)
Topics
  • Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
Keywords
cell-in-cell structures, alpha-catenin, entosis, E-cadherin, P-cadherin, adherens junctions, cell-cell adhesion, ROCK kinase, cancer cells, F-actin
MeSH terms
Actins, Cell Adhesion, Cytoskeleton, Humans, Adherens Junctions, Cell Line, Tumor, alpha Catenin

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