Mechanoregulation of angiopoietin-like 4 in epithelial-mesenchymal transition and cancer metastasis
Author: Liao, Zehuan
Date: 2023-12-07
Location: Lecture Room 205, Karolinska Institutet, Solna (Hybrid Format)
Time: 09.30
Department: Inst för mikrobiologi, tumör- och cellbiologi / Dept of Microbiology, Tumor and Cell Biology
Abstract
The epithelial-mesenchymal transition (EMT) serves as a pivotal mechanism in the progression of metastatic cancer. However, current research, predominantly reliant on 2D monolayer cultures, inadequately replicates the intricate nature of a 3D tumor microenvironment. In the main project (Paper I), we investigated the transcriptomes of various cancer cell types undergoing EMT in both 2D and 3D cultures with different EMT inducers. We identified a 3D EMT gene signature that has broad implications across different types of human cancers. Angiopoietin-like 4 protein (ANGPTL4) was found to be a top ranked hub gene with clinical relevance and impact. Our study also revealed the mechanoregulation of ANGPTL4, which corroborated with its high expression in advanced tumors. Consistently, ANGPTL4 deficiency attenuated primary tumor growth and EMT of cancer cells. These findings suggest that targeting ANGPTL4 may be a promising approach to inhibit EMT and prevent cancer progression. In the collaborative project (Paper II), we studied the regulation of membrane microenvironment and signal transduction in natural killer (NK) cells, a group of innate immune cells involved in the tumor microenvironment (TME) and cancer immunotherapy. Here, we revealed the PIP2-regulated recruitment of DAP12 homodimer to lipid raft boundary of NK cells. In another collaborative project (Paper III), we introduce HTCA, a single-cell RNA-sequencing database with various user-friendly analysis tools. Collectively, our main findings reflect the intricate regulation of physical stiffness within the TME influencing EMT signaling in cancer cells, where ANGPTL4 emerges as a crucial player. Our comprehensive analyses strongly underscore the clinical significance of ANGPTL4, particularly in advanced stage cancer, aligning with our broader understanding of tumors in patients. In essence, our study vividly demonstrates how the TME's stiffness orchestrates the mechanoregulation of ANGPTL4, a hub gene within the 3D EMT gene signature.
List of papers:
I. Zehuan Liao, Joseph Jing Heng Lim, Jeannie Xue Ting Lee, Marcus Ivan Gerard Vos, Damien Chua, Yun Sheng Yip, Choon Boon Too, Huan Cao, Jun Kit Wang, Yufeng Shou, Andy Tay, Kaisa Lehti, Hong Sheng Cheng, Chor Yong Tay, Nguan Soon Tan. "Attenuating epithelial-to-mesenchymal transition in cancer through angiopoietin-like 4 inhibition in a 3D tumor microenvironment model." [Manuscript]
Fulltext (DOI)
Pubmed
II. Ruijuan Dong, Yan Tan, Angran Fan, Zehuan Liao, Hangrui Liu, and Peng Wei. "Molecular dynamics of the recruitment of immunoreceptor signaling module DAP12 homodimer to lipid raft boundary regulated by PIP2." The Journal of Physical Chemistry B. 124, no. 3 (2019): 504-510.
Fulltext (DOI)
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III. Lu Pan, Shaobo Shan, Roman Tremmel, Weiyuan Li, Zehuan Liao, Hangyu Shi, Qishuang Chen, Xiaolu Zhang, and Xuexin Li. "HTCA: a database with an in-depth characterization of the single-cell human transcriptome." Nucleic Acids Research. 51, no. D1 (2023): D1019-D1028.
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I. Zehuan Liao, Joseph Jing Heng Lim, Jeannie Xue Ting Lee, Marcus Ivan Gerard Vos, Damien Chua, Yun Sheng Yip, Choon Boon Too, Huan Cao, Jun Kit Wang, Yufeng Shou, Andy Tay, Kaisa Lehti, Hong Sheng Cheng, Chor Yong Tay, Nguan Soon Tan. "Attenuating epithelial-to-mesenchymal transition in cancer through angiopoietin-like 4 inhibition in a 3D tumor microenvironment model." [Manuscript]
Fulltext (DOI)
Pubmed
II. Ruijuan Dong, Yan Tan, Angran Fan, Zehuan Liao, Hangrui Liu, and Peng Wei. "Molecular dynamics of the recruitment of immunoreceptor signaling module DAP12 homodimer to lipid raft boundary regulated by PIP2." The Journal of Physical Chemistry B. 124, no. 3 (2019): 504-510.
Fulltext (DOI)
Pubmed
View record in Web of Science®
III. Lu Pan, Shaobo Shan, Roman Tremmel, Weiyuan Li, Zehuan Liao, Hangyu Shi, Qishuang Chen, Xiaolu Zhang, and Xuexin Li. "HTCA: a database with an in-depth characterization of the single-cell human transcriptome." Nucleic Acids Research. 51, no. D1 (2023): D1019-D1028.
Fulltext (DOI)
Pubmed
View record in Web of Science®
Institution: Karolinska Institutet
Supervisor: Lehti, Kaisa
Co-supervisor: Tan, Nguan Soon; Selivanova, Galina
Issue date: 2023-11-13
Rights:
Publication year: 2023
ISBN: 978-91-8017-159-5
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