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Tümen D, Heumann P, Huber J, Hahn N, Macek C, Ernst M, Kandulski A, Kunst C, Gülow K. Unraveling Cancer's Wnt Signaling: Dynamic Control through Protein Kinase Regulation. Cancers (Basel) 2024; 16:2686. [PMID: 39123414 PMCID: PMC11312265 DOI: 10.3390/cancers16152686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 07/25/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
Since the initial identification of oncogenic Wnt in mice and Drosophila, the Wnt signaling pathway has been subjected to thorough and extensive investigation. Persistent activation of Wnt signaling exerts diverse cancer characteristics, encompassing tumor initiation, tumor growth, cell senescence, cell death, differentiation, and metastasis. Here we review the principal signaling mechanisms and the regulatory influence of pathway-intrinsic and extrinsic kinases on cancer progression. Additionally, we underscore the divergences and intricate interplays of the canonical and non-canonical Wnt signaling pathways and their critical influence in cancer pathophysiology, exhibiting both growth-promoting and growth-suppressing roles across diverse cancer types.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Karsten Gülow
- Department of Internal Medicine I Gastroenterology, Hepatology, Endocrinology, Rheumatology, Immunology, and Infectious Diseases, University Hospital Regensburg, 93053 Regensburg, Germany; (D.T.); (N.H.)
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2
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VanderVorst K, Dreyer CA, Hatakeyama J, Bell GRR, Learn JA, Berg AL, Hernandez M, Lee H, Collins SR, Carraway KL. Vangl-dependent Wnt/planar cell polarity signaling mediates collective breast carcinoma motility and distant metastasis. Breast Cancer Res 2023; 25:52. [PMID: 37147680 PMCID: PMC10163820 DOI: 10.1186/s13058-023-01651-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/23/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND In light of the growing appreciation for the role of collective cell motility in metastasis, a deeper understanding of the underlying signaling pathways will be critical to translating these observations to the treatment of advanced cancers. Here, we examine the contribution of Wnt/planar cell polarity (Wnt/PCP), one of the non-canonical Wnt signaling pathways and defined by the involvement of the tetraspanin-like proteins Vangl1 and Vangl2, to breast tumor cell motility, collective cell invasiveness and mammary tumor metastasis. METHODS Vangl1 and Vangl2 knockdown and overexpression and Wnt5a stimulation were employed to manipulate Wnt/PCP signaling in a battery of breast cancer cell lines representing all breast cancer subtypes, and in tumor organoids from MMTV-PyMT mice. Cell migration was assessed by scratch and organoid invasion assays, Vangl protein subcellular localization was assessed by confocal fluorescence microscopy, and RhoA activation was assessed in real time by fluorescence imaging with an advanced FRET biosensor. The impact of Wnt/PCP suppression on mammary tumor growth and metastasis was assessed by determining the effect of conditional Vangl2 knockout on the MMTV-NDL mouse mammary tumor model. RESULTS We observed that Vangl2 knockdown suppresses the motility of all breast cancer cell lines examined, and overexpression drives the invasiveness of collectively migrating MMTV-PyMT organoids. Vangl2-dependent RhoA activity is localized in real time to a subpopulation of motile leader cells displaying a hyper-protrusive leading edge, Vangl protein is localized to leader cell protrusions within leader cells, and actin cytoskeletal regulator RhoA is preferentially activated in the leader cells of a migrating collective. Mammary gland-specific knockout of Vangl2 results in a striking decrease in lung metastases in MMTV-NDL mice, but does not impact primary tumor growth characteristics. CONCLUSIONS We conclude that Vangl-dependent Wnt/PCP signaling promotes breast cancer collective cell migration independent of breast tumor subtype and facilitates distant metastasis in a genetically engineered mouse model of breast cancer. Our observations are consistent with a model whereby Vangl proteins localized at the leading edge of leader cells in a migrating collective act through RhoA to mediate the cytoskeletal rearrangements required for pro-migratory protrusion formation.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Courtney A Dreyer
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Jason Hatakeyama
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - George R R Bell
- Department of Microbiology and Molecular Genetics, University of California Davis, Davis, CA, USA
| | - Julie A Learn
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Anastasia L Berg
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Maria Hernandez
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Sean R Collins
- Department of Microbiology and Molecular Genetics, University of California Davis, Davis, CA, USA
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine and University of California Davis Comprehensive Cancer Center, University of California Davis School of Medicine, Sacramento, CA, USA.
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3
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Zhang X, Schalke B, Kvell K, Kriegsmann K, Kriegsmann M, Graeter T, Preissler G, Ott G, Kurz K, Bulut E, Ströbel P, Marx A, Belharazem D. WNT4 overexpression and secretion in thymic epithelial tumors drive an autocrine loop in tumor cells in vitro. Front Oncol 2022; 12:920871. [PMID: 35965500 PMCID: PMC9372913 DOI: 10.3389/fonc.2022.920871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundWNT4-driven non-canonical signaling is crucial for homeostasis and age-related involution of the thymus. Abnormal WNT signaling is important in many cancers, but the role of WNT signaling in thymic tumors is largely unknown.Materials & MethodsExpression and function of WNT4 and FZD6 were analyzed using qRT–PCR, Western blot, ELISA, in biopsies of non-neoplastic thymi (NT), thymoma and thymic carcinomas. ShRNA techniques and functional assays were used in primary thymic epithelial cells (pTECs) and TC cell line 1889c. Cells were conventionally (2D) grown and in three-dimensional (3D) spheroids.ResultsIn biopsy, WHO classified B3 thymomas and TCs showed increased WNT4 expression compared with NTs. During short-term 2D culture, WNT4 expression and secretion declined in neoplastic pTECs but not in 3D spheroids or medium supplemented with recombinant WNT4 cultures. Under the latter condition, the growth of pTECs was accompanied by increased expression of non-canonical targets RAC1 and JNK. Down-regulation of WNT4 by shRNA induced cell death in pTECs derived from B3 thymomas and led to decreased RAC1, but not JNK protein phosphorylation. Pharmacological inhibition of NF-κB decreased both RAC1 and JNK phosphorylation in neoplastic pTECs.ConclusionsLack of the age-related decline of non-canonical WNT4 expression in TETs and restoration of declining WNT4 expression through exogeneous WNT4 or 3D culture of pTECs hints at an oncogenic role of WNT4 in TETs and is compatible with the WNT4 autocrine loop model. Crosstalk between WNT4 and NF-κB signaling may present a promising target for combined interventions in TETs.
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Affiliation(s)
- Xiaonan Zhang
- Institute of Pathology and Medical Research Center, University Medical Centre Mannheim, University of Heidelberg, Mannheim, Germany
| | - Berthold Schalke
- Department of Neurology, University of Regensburg, Regensburg, Germany
| | - Krisztian Kvell
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Pecs, Pecs, Hungary
| | - Katharina Kriegsmann
- Department of Hematology, Oncology and Rheumatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Mark Kriegsmann
- Translational Lung Research Centre Heidelberg, German Centre for Lung Research, Heidelberg, Germany
- Institute of Pathology, University Hospital Heidelberg, Heidelberg University, Heidelberg, Germany
| | - Thomas Graeter
- Department of Thoracic Surgery, University Medical Centre Erlangen, Erlangen, Germany
| | - Gerhard Preissler
- Department of Thoraxic Surgery, Clinic Schillerhöhe, Robert-Bosch-Hospital, Gerlingen, Löwenstein, Germany
| | - German Ott
- Department of Clinical Pathology, Robert-Bosch-Hospital, Stuttgart, Germany
- Dr. Margarete Fischer-Bosch Institute for Clinical Pharmacology, Robert-Bosch-Hospital, Stuttgart, Germany
| | - Katrin Kurz
- Department of Clinical Pathology, Robert-Bosch-Hospital, Stuttgart, Germany
- Dr. Margarete Fischer-Bosch Institute for Clinical Pharmacology, Robert-Bosch-Hospital, Stuttgart, Germany
| | - Elena Bulut
- Department of Thoraxic Surgery, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
| | - Philipp Ströbel
- Institute of Pathology, University Medical Center Göttingen, University of Göttingen, Göttingen, Germany
| | - Alexander Marx
- Institute of Pathology and Medical Research Center, University Medical Centre Mannheim, University of Heidelberg, Mannheim, Germany
| | - Djeda Belharazem
- Institute of Pathology and Medical Research Center, University Medical Centre Mannheim, University of Heidelberg, Mannheim, Germany
- *Correspondence: Djeda Belharazem,
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4
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The Expression of Signaling Genes in Breast Cancer Cells. BIOLOGY 2022; 11:biology11040555. [PMID: 35453754 PMCID: PMC9025738 DOI: 10.3390/biology11040555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/24/2022] [Accepted: 03/30/2022] [Indexed: 11/17/2022]
Abstract
Simple Summary The aim of the study was to investigate the effect of a drug for cancer—paclitaxel—on the expression of genes encoding the signaling factors in breast cancer cells outside organisms. The tested cells were harvested from the mammary glands of 36 women with breast cancer. The microarray technology —the carrier with applied DNA samples—was employed for the identification of gene expression. A significant effect of paclitaxel on the genome of breast cancer cells was confirmed. Paclitaxel changed the functions of cancer cell by increasing the expression of the genes encoding signaling proteins. This is the molecule of intercellular communication. The analysis of the results suggests that this cytostatic agent produces a beneficial therapeutic effect at a lower dose (60 ng/mL). In contrast, a high dose of paclitaxel (300 ng/mL) was associated with higher cytotoxicity and this had a negative effect on the tested tumor cells. Abstract The aim of the study was to investigate the effect of paclitaxel on the expression of genes encoding signaling factors in breast cancer cells in in vitro conditions after incubation with the said chemotherapeutic. The tested cells were harvested from the mammary glands of 36 patients with early breast cancer. The microarray technology was employed for the identification of gene expression. For this purpose, mRNA isolated from tumor cells was used. A significant effect of paclitaxel on the genome of breast cancer cells was confirmed. Paclitaxel changed the functions of cancer cells by increasing the expression of most genes encoding signaling proteins and receptors. The analysis of the results suggested that this cytostatic agent produces a beneficial therapeutic effect at a lower dose (60 ng/mL). In contrast, a high dose of paclitaxel (300 ng/mL) was associated with a high cytotoxicity.
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Al-Zubaidi Y, Chen Y, Khalilur Rahman M, Umashankar B, Choucair H, Bourget K, Chung L, Qi Y, Witting PK, Anderson RL, O'Neill GM, Dunstan CR, Rawling T, Murray M. PTU, a novel ureido-fatty acid, inhibits MDA-MB-231 cell invasion and dissemination by modulating Wnt5a secretion and cytoskeletal signaling. Biochem Pharmacol 2021; 192:114726. [PMID: 34389322 DOI: 10.1016/j.bcp.2021.114726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/02/2021] [Accepted: 08/06/2021] [Indexed: 11/26/2022]
Abstract
Migration and invasion promote tumor cell metastasis, which is the leading cause of cancer death. At present there are no effective treatments. Epidemiological studies have suggested that ω-3 polyunsaturated fatty acids (PUFA) may decrease cancer aggressiveness. In recent studies epoxide metabolites of ω-3 PUFA exhibited anti-cancer activity, although increased in vivo stability is required to develop useful drugs. Here we synthesized novel stabilized ureido-fatty acid ω-3 epoxide isosteres and found that one analogue - p-tolyl-ureidopalmitic acid (PTU) - inhibited migration and invasion by MDA-MB-231 breast cancer cells in vitro and in vivo in xenografted nu/nu mice. From proteomics analysis of PTU-treated cells major regulated pathways were linked to the actin cytoskeleton and actin-based motility. The principal finding was that PTU impaired the formation of actin protrusions by decreasing the secretion of Wnt5a, which dysregulated the Wnt/planar cell polarity (PCP) pathway and actin cytoskeletal dynamics. Exogenous Wnt5a restored invasion and Wnt/PCP signalling in PTU-treated cells. PTU is the prototype of a novel class of agents that selectively dysregulate the Wnt/PCP pathway by inhibiting Wnt5a secretion and actin dynamics to impair MDA-MB-231 cell migration and invasion.
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Affiliation(s)
- Yassir Al-Zubaidi
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia; College of Pharmacy, The University of Mashreq, Baghdad, Iraq
| | - Yongjuan Chen
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Md Khalilur Rahman
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Bala Umashankar
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Hassan Choucair
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Kirsi Bourget
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Long Chung
- Centenary Institute, The University of Sydney, NSW 2050, Australia
| | - Yanfei Qi
- Centenary Institute, The University of Sydney, NSW 2050, Australia
| | - Paul K Witting
- Discipline of Pathology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
| | - Robin L Anderson
- Translational Breast Cancer Program, Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia; School of Cancer Medicine, La Trobe University, Bundoora, VIC 3083, Australia
| | - Geraldine M O'Neill
- Children's Cancer Research Unit, the Children's Hospital at Westmead, Westmead, NSW 2145, Australia; Children's Hospital Westmead Clinical School, Faculty of Medicine and Health, University of Sydney, NSW 2006, Australia
| | - Colin R Dunstan
- School of Biomedical Engineering, University of Sydney, NSW 2006, Australia
| | - Tristan Rawling
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Michael Murray
- Pharmacogenomics and Drug Development Group, Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia.
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Mathieu NA, Levin RH, Spratt DE. Exploring the Roles of HERC2 and the NEDD4L HECT E3 Ubiquitin Ligase Subfamily in p53 Signaling and the DNA Damage Response. Front Oncol 2021; 11:659049. [PMID: 33869064 PMCID: PMC8044464 DOI: 10.3389/fonc.2021.659049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/16/2021] [Indexed: 12/27/2022] Open
Abstract
Cellular homeostasis is governed by the precise expression of genes that control the translation, localization, and termination of proteins. Oftentimes, environmental and biological factors can introduce mutations into the genetic framework of cells during their growth and division, and these genetic abnormalities can result in malignant transformations caused by protein malfunction. For example, p53 is a prominent tumor suppressor protein that is capable of undergoing more than 300 posttranslational modifications (PTMs) and is involved with controlling apoptotic signaling, transcription, and the DNA damage response (DDR). In this review, we focus on the molecular mechanisms and interactions that occur between p53, the HECT E3 ubiquitin ligases WWP1, SMURF1, HECW1 and HERC2, and other oncogenic proteins in the cell to explore how irregular HECT-p53 interactions can induce tumorigenesis.
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Affiliation(s)
- Nicholas A Mathieu
- Gustaf H. Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, United States
| | - Rafael H Levin
- Gustaf H. Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, United States
| | - Donald E Spratt
- Gustaf H. Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, United States
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Sun G, Wu L, Sun G, Shi X, Cao H, Tang W. WNT5a in Colorectal Cancer: Research Progress and Challenges. Cancer Manag Res 2021; 13:2483-2498. [PMID: 33758546 PMCID: PMC7981155 DOI: 10.2147/cmar.s289819] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/17/2021] [Indexed: 12/31/2022] Open
Abstract
Despite the clinical development of new adjuvant and neoadjuvant chemotherapy drugs, colorectal cancer is still one of the leading causes of cancer-related death in human beings. WNT5a, an autocrine and paracrine β-catenin independent ligand, has been shown to induce tumor inhibition and carcinogenic signals, depending on the type of cancer. In patients with colorectal cancer, WNT5a triggers a variety of downstream signaling pathways, which mainly affect the migration and invasion of tumor cells. This article reviews the mechanism and therapeutic potential of WNT5a in colorectal cancer. In short, an in-depth understanding of the role of WNT5a in colorectal cancer is very helpful to better deal with this disease.
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Affiliation(s)
- Guangshun Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Liangliang Wu
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Guoqiang Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xuesong Shi
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Hongyong Cao
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Weiwei Tang
- Hepatobiliary/Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Living Donor Transplantation, Chinese Academy of Medical Sciences, Nanjing, Jiangsu, People's Republic of China
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8
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Wang J, Feng D, Gao B. An Overview of Potential Therapeutic Agents Targeting WNT/PCP Signaling. Handb Exp Pharmacol 2021; 269:175-213. [PMID: 34463852 DOI: 10.1007/164_2021_533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Since the discovery of the proto-oncogene Wnt1 (Int1) in 1982, WNT signaling has been identified as one of the most important pathways that regulates a wide range of fundamental developmental and physiological processes in multicellular organisms. The canonical WNT signaling pathway depends on the stabilization and translocation of β-catenin and plays important roles in development and homeostasis. The WNT/planar cell polarity (WNT/PCP) signaling, also known as one of the β-catenin-independent WNT pathways, conveys directional information to coordinate polarized cell behaviors. Similar to WNT/β-catenin signaling, disruption or aberrant activation of WNT/PCP signaling also underlies a variety of developmental defects and cancers. However, the pharmacological targeting of WNT/PCP signaling for therapeutic purposes remains largely unexplored. In this review, we briefly discuss WNT/PCP signaling in development and disease and summarize the known drugs/inhibitors targeting this pathway.
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Affiliation(s)
- Jin Wang
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Di Feng
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Bo Gao
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
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9
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Hasan MK, Widhopf GF, Zhang S, Lam SM, Shen Z, Briggs SP, Parker BA, Kipps TJ. Wnt5a induces ROR1 to recruit cortactin to promote breast-cancer migration and metastasis. NPJ Breast Cancer 2019; 5:35. [PMID: 31667337 PMCID: PMC6814774 DOI: 10.1038/s41523-019-0131-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 09/20/2019] [Indexed: 01/27/2023] Open
Abstract
ROR1 is a conserved oncoembryonic surface protein expressed in breast cancer. Here we report that ROR1 associates with cortactin in primary breast-cancer cells or in MCF7 transfected to express ROR1. Wnt5a also induced ROR1-dependent tyrosine phosphorylation of cortactin (Y421), which recruited ARHGEF1 to activate RhoA and promote breast-cancer-cell migration; such effects could be inhibited by cirmtuzumab, a humanized mAb specific for ROR1. Furthermore, treatment of mice bearing breast-cancer xenograft with cirmtuzumab inhibited cortactin phosphorylation in vivo and impaired metastatic development. We established that the proline at 841 of ROR1 was required for it to recruit cortactin and ARHGEF1, activate RhoA, and enhance breast-cancer-cell migration in vitro or development of metastases in vivo. Collectively, these studies demonstrate that the interaction of ROR1 with cortactin plays an important role in breast-cancer-cell migration and metastasis.
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Affiliation(s)
- Md Kamrul Hasan
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
| | - George F. Widhopf
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
| | - Suping Zhang
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Department of Pharmacology, International Cancer Center, Shenzhen University Health Science Center, Shenzhen, 518060 Guangdong China
| | - Sharon M. Lam
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
| | - Zhouxin Shen
- Section of Cell and Developmental Biology, University of California San Diego, La Jolla, CA USA
| | - Steven P. Briggs
- Section of Cell and Developmental Biology, University of California San Diego, La Jolla, CA USA
| | - Barbara A. Parker
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
| | - Thomas J. Kipps
- Moores Cancer Center, University of California San Diego, La Jolla, CA USA
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Department of Pharmacology, International Cancer Center, Shenzhen University Health Science Center, Shenzhen, 518060 Guangdong China
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10
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VanderVorst K, Dreyer CA, Konopelski SE, Lee H, Ho HYH, Carraway KL. Wnt/PCP Signaling Contribution to Carcinoma Collective Cell Migration and Metastasis. Cancer Res 2019; 79:1719-1729. [PMID: 30952630 DOI: 10.1158/0008-5472.can-18-2757] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/04/2019] [Accepted: 01/31/2019] [Indexed: 12/30/2022]
Abstract
Our understanding of the cellular mechanisms governing carcinoma invasiveness and metastasis has evolved dramatically over the last several years. The previous emphasis on the epithelial-mesenchymal transition as a driver of the migratory properties of single cells has expanded with the observation that carcinoma cells often invade and migrate collectively as adherent groups. Moreover, recent analyses suggest that circulating tumor cells within the vasculature often exist as multicellular clusters and that clusters more efficiently seed metastatic lesions than single circulating tumor cells. While these observations point to a key role for collective cell migration in carcinoma metastasis, the molecular mechanisms driving collective tumor cell migration remain to be discerned. Wnt/PCP (planar cell polarity) signaling, one of the noncanonical Wnt signaling pathways, mediates collective migratory events such as convergent extension during developmental processes. Wnt/PCP signaling components are frequently dysregulated in solid tumors, and aberrant pathway activation contributes to tumor cell migratory properties. Here we summarize key studies that address the mechanisms by which Wnt/PCP signaling mediate collective cell migration in developmental and tumor contexts. We emphasize Wnt/PCP component localization within migrating cells and discuss how component asymmetry may govern the spatiotemporal control of downstream cytoskeletal effectors to promote collective cell motility.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Courtney A Dreyer
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Sara E Konopelski
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California.
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11
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Monteleone E, Orecchia V, Corrieri P, Schiavone D, Avalle L, Moiso E, Savino A, Molineris I, Provero P, Poli V. SP1 and STAT3 Functionally Synergize to Induce the RhoU Small GTPase and a Subclass of Non-canonical WNT Responsive Genes Correlating with Poor Prognosis in Breast Cancer. Cancers (Basel) 2019; 11:cancers11010101. [PMID: 30654518 PMCID: PMC6356433 DOI: 10.3390/cancers11010101] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 01/09/2019] [Accepted: 01/11/2019] [Indexed: 11/18/2022] Open
Abstract
Breast cancer is a heterogeneous disease whose clinical management is very challenging. Although specific molecular features characterize breast cancer subtypes with different prognosis, the identification of specific markers predicting disease outcome within the single subtypes still lags behind. Both the non-canonical Wingless-type MMTV Integration site (WNT) and the Signal Transducer and Activator of Transcription (STAT)3 pathways are often constitutively activated in breast tumors, and both can induce the small GTPase Ras Homolog Family Member U RhoU. Here we show that RhoU transcription can be triggered by both canonical and non-canonical WNT ligands via the activation of c-JUN N-terminal kinase (JNK) and the recruitment of the Specificity Protein 1 (SP1) transcription factor to the RhoU promoter, identifying for the first time SP1 as a JNK-dependent mediator of WNT signaling. RhoU down-regulation by silencing or treatment with JNK, SP1 or STAT3 inhibitors leads to impaired migration and invasion in basal-like MDA-MB-231 and BT-549 cells, suggesting that STAT3 and SP1 can cooperate to induce high RhoU expression and enhance breast cancer cells migration. Moreover, in vivo concomitant binding of STAT3 and SP1 defines a subclass of genes belonging to the non-canonical WNT and the Interleukin (IL)-6/STAT3 pathways and contributing to breast cancer aggressiveness, suggesting the relevance of developing novel targeted therapies combining inhibitors of the STAT3 and WNT pathways or of their downstream mediators.
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Affiliation(s)
- Emanuele Monteleone
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Valeria Orecchia
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Paola Corrieri
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Davide Schiavone
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Lidia Avalle
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Enrico Moiso
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Aurora Savino
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
| | - Ivan Molineris
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
- Candiolo Cancer Institute, FPO-IRCCS, 10060 Turin, Italy.
| | - Paolo Provero
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
- Center for Translational Genomics and Bioinformatics, San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Valeria Poli
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, 10126 Turin, Italy.
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12
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Jessen TN, Jessen JR. VANGL2 protein stability is regulated by integrin αv and the extracellular matrix. Exp Cell Res 2018; 374:128-139. [PMID: 30472097 DOI: 10.1016/j.yexcr.2018.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 11/09/2018] [Accepted: 11/21/2018] [Indexed: 11/18/2022]
Abstract
Vang-like 2 (VANGL2) is a four-pass transmembrane protein required for a variety of polarized cell behaviors underlying embryonic development. Recent data show human VANGL2 interacts with integrin αv to control cell adhesion to extracellular matrix proteins. The goal of this study was to further define the functional relationship between integrin αv and VANGL2. We demonstrate integrin αv regulates VANGL2 protein levels both in vitro and in the zebrafish embryo. While integrin αv knockdown reduces VANGL2 expression at membrane compartments, it does not affect VANGL2 transcription. Knockdown of integrin β5, but not β1 or β3, also decreases VANGL2 protein levels. Inhibition of protein translation using cycloheximide demonstrates that integrin αv knockdown cells have increased VANGL2 degradation while interference with either proteasome or lysosome function restores VANGL2. We further show integrin activation and stimulation of cell-matrix adhesion using MnCl2 fails to influence VANGL2. However, MnCl2 treatment stabilizes VANGL2 protein expression levels in the presence of cycloheximide. In the converse experiment, blockage of integrin-mediated cell-matrix adhesion using a cyclic RGD peptide causes a reduction in VANGL2 protein levels. Together, our findings support a model where integrin αv and cellular interactions with the extracellular matrix are required to maintain VANGL2 protein levels and thus function at the plasma membrane.
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Affiliation(s)
- Tammy N Jessen
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, USA
| | - Jason R Jessen
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, USA.
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13
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Wang Y, Mirza S, Wu S, Zeng J, Shi W, Band H, Band V, Duan B. 3D hydrogel breast cancer models for studying the effects of hypoxia on epithelial to mesenchymal transition. Oncotarget 2018; 9:32191-32203. [PMID: 30181809 PMCID: PMC6114943 DOI: 10.18632/oncotarget.25891] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/21/2018] [Indexed: 12/12/2022] Open
Abstract
Solid tumors are 3D assemblies of cancer cells, together with multiple stromal cell types within an extracellular matrix. Yet, the vast majority of cell-based studies to characterize oncogenesis and discovery of new anti-cancer drugs is conducted using conventional 2D monolayer culture systems, where cells are grown on plastic substratum under normoxic environments. In current study, we generated 3D breast cancer cell culture platform consists of photocrosslinkable hydrogels and encapsulated isogenic primary (21PT) and a metastatic (21MT-2) breast cancer cell lines derived from the primary tumor and pleural effusion from the same patient. We demonstrated that hypoxia decreased cellular assembly size and density, and promoted epithelial to mesenchymal transition (EMT) process, without affecting cell viability. Next, we showed hypoxia enhanced breast cancer cell migration, and expression and secretion of lysyl oxidase (LOX), which is copper-dependent amine oxidase and has the primary function to drive the crosslinking of collagen and elastin and is regulated by hypoxia. Furthermore, to recapitulate in vivo situation, we generated breast cancer and lung cells (derived from the same patient) contact model by stacking 3D hydrogel constructs with breast cancer cells onto lung mesenchymal cells (LMC) laden-hydrogel and then showed breast cancer cells migrated towards LMC during hypoxia. Lastly, as a validation of this model for future screen of therapeutic agents, we demonstrated that LOX inhibitor exhibited a significant decrease in breast cancer cell viability, migration, and EMT. Taken together, these results validate the use of hydrogels based models to examine hypoxia related EMT in breast cancer cells.
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Affiliation(s)
- Ying Wang
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Sameer Mirza
- Department of Genetics, Cell Biology and Anatomy University of Nebraska Medical Center, Omaha, NE, USA
| | - Shaohua Wu
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, USA.,Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jiping Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Wen Shi
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, USA.,Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Hamid Band
- Department of Genetics, Cell Biology and Anatomy University of Nebraska Medical Center, Omaha, NE, USA.,Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA.,Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Vimla Band
- Department of Genetics, Cell Biology and Anatomy University of Nebraska Medical Center, Omaha, NE, USA.,Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Bin Duan
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, USA.,Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Surgery, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
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14
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β-catenin-independent regulation of Wnt target genes by RoR2 and ATF2/ATF4 in colon cancer cells. Sci Rep 2018; 8:3178. [PMID: 29453334 PMCID: PMC5816634 DOI: 10.1038/s41598-018-20641-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 01/21/2018] [Indexed: 12/13/2022] Open
Abstract
Wnt signaling is an evolutionarily conserved signaling route required for development and homeostasis. While canonical, β-catenin-dependent Wnt signaling is well studied and has been linked to many forms of cancer, much less is known about the role of non-canonical, β-catenin-independent Wnt signaling. Here, we aimed at identifying a β-catenin-independent Wnt target gene signature in order to understand the functional significance of non-canonical signaling in colon cancer cells. Gene expression profiling was performed after silencing of key components of Wnt signaling pathway and an iterative signature algorithm was applied to predict pathway-dependent gene signatures. Independent experiments confirmed several target genes, including PLOD2, HADH, LCOR and REEP1 as non-canonical target genes in various colon cancer cells. Moreover, non-canonical Wnt target genes are regulated via RoR2, Dvl2, ATF2 and ATF4. Furthermore, we show that the ligands Wnt5a/b are upstream regulators of the non-canonical signature and moreover regulate proliferation of cancer cells in a β-catenin-independent manner. Our experiments indicate that colon cancer cells are dependent on both β-catenin-dependent and –independent Wnt signaling routes for growth and proliferation.
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15
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Chen Y, Zhang P, Tang P, Lv P, Li X, Wang Y, Lv Y, Liu Y. Wnt4 overexpression promotes thymoma development through a JNK-mediated planar cell polarity-like pathway. Oncol Lett 2018; 15:83-90. [PMID: 29387212 PMCID: PMC5769365 DOI: 10.3892/ol.2017.7266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 06/09/2017] [Indexed: 01/11/2023] Open
Abstract
Thymoma is the most common neoplasm of the anterosuperior mediastinum. Activation of the Wnt signaling pathway has a role in a variety of human cancers. The present objective was to examine c-Jun N-terminal kinase (JNK) mRNA and protein expression in thymoma cells undergoing apoptosis subsequent to downregulation of Wnt4. Wnt4 and JNK mRNA and protein expression was analyzed by reverse transcription-quantitative polymerase chain reaction and immunohistochemistry, respectively, in 15 thymoma tissues and 6 thymus cyst tissues. Thymoma cells were cultured and transfected with shRNA plasmids targeting the Wnt4 gene. Wnt4 and JNK protein expression was detected by western blot analysis. Apoptosis was analyzed using Wright-Giemsa staining, Hoechst-33342/propidium iodine double staining and flow cytometry. The results showed that Wnt4 and JNK mRNA and protein expression were significantly increased in thymoma compared with normal thymus tissue. Subsequent to transfection, thymoma Wnt4 and JNK mRNA and protein expression were significantly decreased in shRNA-treated groups, with the strongest inhibition being 52.37%. Characteristic apoptotic morphological changes were observed and apoptosis increased. Overall, the present concluded that Wnt4 has an important role in thymoma development, which appears to be activated through a JNK mediated planar cell polarity-like pathway.
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Affiliation(s)
- Yuan Chen
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Peng Zhang
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Peiyuan Tang
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Peng Lv
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xin Li
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Yuanguo Wang
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Yang Lv
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Yimei Liu
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
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16
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VanderVorst K, Hatakeyama J, Berg A, Lee H, Carraway KL. Cellular and molecular mechanisms underlying planar cell polarity pathway contributions to cancer malignancy. Semin Cell Dev Biol 2017; 81:78-87. [PMID: 29107170 DOI: 10.1016/j.semcdb.2017.09.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 07/20/2017] [Accepted: 09/06/2017] [Indexed: 12/18/2022]
Abstract
While the mutational activation of oncogenes drives tumor initiation and growth by promoting cellular transformation and proliferation, increasing evidence suggests that the subsequent re-engagement of largely dormant developmental pathways contributes to cellular phenotypes associated with the malignancy of solid tumors. Genetic studies from a variety of model organisms have defined many of the components that maintain epithelial planar cell polarity (PCP), or cellular polarity in the axis orthogonal to the apical-basal axis. These same components comprise an arm of non-canonical Wnt signaling that mediates cell motility events such as convergent extension movements essential to proper development. In this review, we summarize the increasing evidence that the Wnt/PCP signaling pathway plays active roles in promoting the proliferative and migratory properties of tumor cells, emphasizing the importance of subcellular localization of PCP components and protein-protein interactions in regulating cellullar properties associated with malignancy. Specifically, we discuss the increased expression of Wnt/PCP pathway components in cancer and the functional consequences of aberrant pathway activation, focusing on Wnt ligands, Frizzled (Fzd) receptors, the tetraspanin-like proteins Vangl1 and Vangl2, and the Prickle1 (Pk1) scaffold protein. In addition, we discuss negative regulation of the Wnt/PCP pathway, with particular emphasis on the Nrdp1 E3 ubiquitin ligase. We hypothesize that engagement of the Wnt/PCP pathway after tumor initiation drives malignancy by promoting cellular proliferation and invasiveness, and that the ability of Wnt/PCP signaling to supplant oncogene addiction may contribute to tumor resistance to oncogenic pathway-directed therapeutic agents.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Jason Hatakeyama
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Anastasia Berg
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States.
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17
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Jessen TN, Jessen JR. VANGL2 interacts with integrin αv to regulate matrix metalloproteinase activity and cell adhesion to the extracellular matrix. Exp Cell Res 2017; 361:265-276. [PMID: 29097183 DOI: 10.1016/j.yexcr.2017.10.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/28/2017] [Accepted: 10/24/2017] [Indexed: 12/14/2022]
Abstract
Planar cell polarity (PCP) proteins are implicated in a variety of morphogenetic processes including embryonic cell migration and potentially cancer progression. During zebrafish gastrulation, the transmembrane protein Vang-like 2 (VANGL2) is required for PCP and directed cell migration. These cell behaviors occur in the context of a fibrillar extracellular matrix (ECM). While it is thought that interactions with the ECM regulate cell migration, it is unclear how PCP proteins such as VANGL2 influence these events. Using an in vitro cell culture model system, we previously showed that human VANGL2 negatively regulates membrane type-1 matrix metalloproteinase (MMP14) and activation of secreted matrix metalloproteinase 2 (MMP2). Here, we investigated the functional relationship between VANGL2, integrin αvβ3, and MMP2 activation. We provide evidence that VANGL2 regulates cell surface integrin αvβ3 expression and adhesion to fibronectin, laminin, and vitronectin. Inhibition of MMP14/MMP2 activity suppressed the cell adhesion defect in VANGL2 knockdown cells. Furthermore, our data show that MMP14 and integrin αv are required for increased proteolysis by VANGL2 knockdown cells. Lastly, we have identified integrin αvβ3 as a novel VANGL2 binding partner. Together, these findings begin to dissect the molecular underpinnings of how VANGL2 regulates MMP activity and cell adhesion to the ECM.
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Affiliation(s)
- Tammy N Jessen
- Department of Biology, Middle Tennessee State University, 1301 East Main Street, Murfreesboro, TN 37132, USA
| | - Jason R Jessen
- Department of Biology, Middle Tennessee State University, 1301 East Main Street, Murfreesboro, TN 37132, USA.
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18
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Abstract
The planar cell polarity (PCP) pathway is best known for its role in polarizing epithelial cells within the plane of a tissue but it also plays a role in a range of cell migration events during development. The mechanism by which the PCP pathway polarizes stationary epithelial cells is well characterized, but how PCP signaling functions to regulate more dynamic cell behaviors during directed cell migration is much less understood. Here, we review recent discoveries regarding the localization of PCP proteins in migrating cells and their impact on the cell biology of collective and individual cell migratory behaviors.
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Affiliation(s)
- Crystal F Davey
- Division of Basic Sciences, Fred Hutchinson Cancer Research Center, B2-159, 1100 Fairview Ave. N., Seattle, WA 98109, USA
| | - Cecilia B Moens
- Division of Basic Sciences, Fred Hutchinson Cancer Research Center, B2-159, 1100 Fairview Ave. N., Seattle, WA 98109, USA
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19
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Bayerlová M, Menck K, Klemm F, Wolff A, Pukrop T, Binder C, Beißbarth T, Bleckmann A. Ror2 Signaling and Its Relevance in Breast Cancer Progression. Front Oncol 2017; 7:135. [PMID: 28695110 PMCID: PMC5483589 DOI: 10.3389/fonc.2017.00135] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 06/07/2017] [Indexed: 12/31/2022] Open
Abstract
Breast cancer is a heterogeneous disease and has been classified into five molecular subtypes based on gene expression profiles. Signaling processes linked to different breast cancer molecular subtypes and different clinical outcomes are still poorly understood. Aberrant regulation of Wnt signaling has been implicated in breast cancer progression. In particular Ror1/2 receptors and several other members of the non-canonical Wnt signaling pathway were associated with aggressive breast cancer behavior. However, Wnt signals are mediated via multiple complex pathways, and it is clinically important to determine which particular Wnt cascades, including their domains and targets, are deregulated in poor prognosis breast cancer. To investigate activation and outcome of the Ror2-dependent non-canonical Wnt signaling pathway, we overexpressed the Ror2 receptor in MCF-7 and MDA-MB231 breast cancer cells, stimulated the cells with its ligand Wnt5a, and we knocked-down Ror1 in MDA-MB231 cells. We measured the invasive capacity of perturbed cells to assess phenotypic changes, and mRNA was profiled to quantify gene expression changes. Differentially expressed genes were integrated into a literature-based non-canonical Wnt signaling network. The results were further used in the analysis of an independent dataset of breast cancer patients with metastasis-free survival annotation. Overexpression of the Ror2 receptor, stimulation with Wnt5a, as well as the combination of both perturbations enhanced invasiveness of MCF-7 cells. The expression-responsive targets of Ror2 overexpression in MCF-7 induced a Ror2/Wnt module of the non-canonical Wnt signaling pathway. These targets alter regulation of other pathways involved in cell remodeling processing and cell metabolism. Furthermore, the genes of the Ror2/Wnt module were assessed as a gene signature in patient gene expression data and showed an association with clinical outcome. In summary, results of this study indicate a role of a newly defined Ror2/Wnt module in breast cancer progression and present a link between Ror2 expression and increased cell invasiveness.
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Affiliation(s)
- Michaela Bayerlová
- Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
| | - Kerstin Menck
- Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Florian Klemm
- Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Alexander Wolff
- Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
| | - Tobias Pukrop
- Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
- Clinic for Internal Medicine III, Hematology and Medical Oncology, University Regensburg, Regensburg, Germany
| | - Claudia Binder
- Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Tim Beißbarth
- Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
| | - Annalen Bleckmann
- Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
- Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
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20
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Asymmetric Dimethylarginine Induced Apoptosis and Dysfunction of Endothelial Progenitor Cells: Role of Endoplasmic Reticulum Stress Pathway. BIOMED RESEARCH INTERNATIONAL 2017; 2017:6395601. [PMID: 28589144 PMCID: PMC5446863 DOI: 10.1155/2017/6395601] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 10/30/2016] [Accepted: 03/20/2017] [Indexed: 12/22/2022]
Abstract
Asymmetric dimethylarginine (ADMA), an inhibitor of nitric oxide synthase, is a novel risk factor of cardiovascular disease. Endothelial progenitor cells (EPCs) bear typical endothelial characteristics and are thought to contribute to neovascularization by providing new endothelial cells (ECs) after arterial injury. Many studies have shown that ADMA can induce EPC apoptosis and dysfunction, but the underlying mechanism is not well understood. EPCs from umbilical cord blood were cultured in EGM-2 medium with particular growth factors and supplemented with 10% fetal bovine serum. The cells were treated with different concentrations of ADMA (5, 10, and 50 μmol/L). Endoplasmic reticulum (ER) stress marker levels were examined by western blot analysis. After 24-hour incubation, ADMA induced apoptosis of EPCs and significantly decreased the proliferation, migration, and vasculogenesis capacity of EPCs. We also found that ADMA treatment activated phosphorylated protein kinase RNA-activated-like ER kinase (PERK), a stress sensor protein in the endoplasmic reticulum (ER). The activated PERK induced 78 kDa glucose-regulated protein (GRP-78) and C/EBP homologous protein (CHOP) expression. Additionally, the inhibition of the ER stress pathway by Salubrinal (a specific ER stress inhibitor) can attenuate ADMA-induced apoptosis of EPCs. Overall, these observations indicate that ADMA may induce the apoptosis and dysfunction of EPCs through the ER stress pathway.
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21
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Daulat AM, Borg JP. Wnt/Planar Cell Polarity Signaling: New Opportunities for Cancer Treatment. Trends Cancer 2017; 3:113-125. [PMID: 28718442 DOI: 10.1016/j.trecan.2017.01.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/29/2016] [Accepted: 01/02/2017] [Indexed: 01/08/2023]
Abstract
Cancer cells are addicted to a large spectrum of extracellular cues implicated in initiation, stem cell renewal, tumor growth, dissemination in the body, and resistance to treatment. Wingless/Int-1 (Wnt) ligands and their associated signaling cascades contribute to most of these processes, paving the way for opportunities in therapeutic development. The developmental Wnt/planar cell polarity (PCP) pathway is the most recently described branch of Wnt signaling strongly implicated in cancer development at early and late stages. We describe here some of the latest knowledge accumulated on this pathway and the pending questions, present the most convincing findings about its role in cancer, and review the most promising strategies currently designed to target its components.
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Affiliation(s)
- Avais M Daulat
- Centre de Recherche en Cancérologie de Marseille, Aix Marseille Univ UM105, Inst Paoli-Calmettes, UMR7258 CNRS, U1068 INSERM, 'Cell Polarity, Cell Signalling, and Cancer - Equipe Labellisée Ligue Contre le Cancer', Marseille, France
| | - Jean-Paul Borg
- Centre de Recherche en Cancérologie de Marseille, Aix Marseille Univ UM105, Inst Paoli-Calmettes, UMR7258 CNRS, U1068 INSERM, 'Cell Polarity, Cell Signalling, and Cancer - Equipe Labellisée Ligue Contre le Cancer', Marseille, France.
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22
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Zeng R, Huang J, Zhong MZ, Li L, Yang G, Liu L, Wu Y, Yao X, Shi J, Wu Z. Multiple Roles of WNT5A in Breast Cancer. Med Sci Monit 2016; 22:5058-5067. [PMID: 28005837 PMCID: PMC5201118 DOI: 10.12659/msm.902022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Breast cancer is one of the most common malignant tumors of women. Modern combinatorial therapeutic regimens can reduce patient tumor burdens to undetectable levels, yet in many cases these tumors will relapse. Understanding of breast cancer biology, developing more potent therapeutic approaches, and overcoming resistance are of great importance. WNT5A is a non-canonical signaling member of the WNT family. Its role in breast cancer still remains unclear. Most of the evidence shows that WNT5A is a suppressor in breast cancer and loss of its expression is associated with poor prognosis, while some evidence suggests the tumorigenicity of WNT5A. WNT signaling molecules are potent targets for treatment of cancer. Therefore, understanding the role of WNT5A in breast cancer may provide new ideas and methods for breast cancer treatment. We review the evidence concerning WNT5A and breast cancer involving the signaling pathways and the molecular-targeted therapy of WNT5A. Our results show that the role WNT5A plays depends on the availability of key receptors and intercellular interactions among different cell types.
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Affiliation(s)
- Ruolan Zeng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Junhui Huang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Mei-Zuo Zhong
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Li Li
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Guorong Yang
- Department of Oncology, The First People's Hospital of Chenzhou, University of South China, Chenzhou, Hunan, China (mainland)
| | - Li Liu
- 32th Department, Hunan Tumor Hospital, The Affiliated Tumor Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China (mainland)
| | - Yin Wu
- Department of Cardiothoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Xiaoyi Yao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
| | - Jing Shi
- Department of Oncology, Xiangya Hospital, Central South University,, Changsha, Hunan, China (mainland)
| | - Zhifu Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)
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23
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Wnt5a Signaling in Cancer. Cancers (Basel) 2016; 8:cancers8090079. [PMID: 27571105 PMCID: PMC5040981 DOI: 10.3390/cancers8090079] [Citation(s) in RCA: 173] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 08/09/2016] [Accepted: 08/22/2016] [Indexed: 01/07/2023] Open
Abstract
Wnt5a is involved in activating several non-canonical WNT signaling pathways, through binding to different members of the Frizzled- and Ror-family receptors. Wnt5a signaling is critical for regulating normal developmental processes, including proliferation, differentiation, migration, adhesion and polarity. However, the aberrant activation or inhibition of Wnt5a signaling is emerging as an important event in cancer progression, exerting both oncogenic and tumor suppressive effects. Recent studies show the involvement of Wnt5a in regulating cancer cell invasion, metastasis, metabolism and inflammation. In this article, we review findings regarding the molecular mechanisms and roles of Wnt5a signaling in various cancer types, and highlight Wnt5a in ovarian cancer.
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24
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Krstic M, Macmillan CD, Leong HS, Clifford AG, Souter LH, Dales DW, Postenka CO, Chambers AF, Tuck AB. The transcriptional regulator TBX3 promotes progression from non-invasive to invasive breast cancer. BMC Cancer 2016; 16:671. [PMID: 27553211 PMCID: PMC4994202 DOI: 10.1186/s12885-016-2697-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 08/09/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND TBX3 is a T-box transcription factor repressor that is elevated in metastatic breast cancer and is believed to promote malignancy of tumor cells, possibly by promoting cell survival and epithelial-mesenchymal transition. METHODS The relative expression of TBX3 was assessed in the 21T cell lines which were derived from an individual patient and represent three distinct stages of breast cancer progression: 21PT, atypical ductal hyperplasia; 21NT, ductal carcinoma in situ; and 21MT-1, invasive mammary carcinoma. Two different isoforms of TBX3 (TBX3iso1 and TBX3iso2) were overexpressed to evaluate cell survival/colony forming ability, growth, and invasion in the ductal carcinoma in situ-like 21NT cell line using an in vitro Matrigel model of cancer progression. In addition, TBX3 expression was knocked down to evaluate the effects of downregulating TBX3 on the invasive mammary carcinoma-like 21MT-1 cell line. Finally, PCR array profiling was used to assess alterations in gene expression due to TBX3 overexpression in the 21NT cells. RESULTS TBX3 is abundant in the invasive 21MT-1 cell line, while being minimally expressed in the non-invasive 21NT and 21PT cell lines. Overexpression of either TBX3iso1 or TBX3iso2 in 21NT cells resulted in increased cell survival/colony forming ability, growth vs. apoptosis and invasion in Matrigel. In contrast, short hairpin RNA-mediated knockdown of TBX3 in the 21MT-1 cells resulted in smaller colonies, with a more regular, less dispersed (less infiltrative) morphology. Array profiling of the 21NT TBX3 iso1 and iso2 transfectants showed that there are common alterations in expression of several genes involved in signal transduction, cell cycle control/cell survival, epithelial-mesenchymal transition and invasiveness. CONCLUSIONS Overall, these results indicate that TBX3 (isoform 1 or 2) expression can promote progression in a model of early breast cancer by altering cell properties involved in cell survival/colony formation and invasiveness, as well as key regulatory and EMT/invasiveness-related gene expressions.
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Affiliation(s)
- Milica Krstic
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Connor D Macmillan
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Hon S Leong
- Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Allen G Clifford
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Lesley H Souter
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - David W Dales
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada
| | - Carl O Postenka
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada
| | - Ann F Chambers
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada.,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Alan B Tuck
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada. .,The Pamela Greenaway-Kohlmeier Translational Breast Cancer Research Unit, London Regional Cancer Program, London Health Sciences Centre, London, ON, Canada. .,Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
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25
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Thiele S, Rachner TD, Rauner M, Hofbauer LC. WNT5A and Its Receptors in the Bone-Cancer Dialogue. J Bone Miner Res 2016; 31:1488-96. [PMID: 27355180 DOI: 10.1002/jbmr.2899] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 06/08/2016] [Accepted: 06/24/2016] [Indexed: 12/12/2022]
Abstract
Wnt signaling is critical for tumorigenesis and skeletal remodeling. However, its contribution to the formation of metastatic bone lesions remains poorly defined. One major challenge of unraveling its role in cancer progression is the high complexity of Wnt signaling, which includes numerous ligands, receptors, and inhibitors, with intricate biological effects and specific signaling pathways depending on the cellular context. In this perspective, we summarize the role of the noncanonical Wnt ligand WNT5A in the development and metastatic process of osteotropic cancer entities. We focus on its tumor-suppressive function in breast cancer, tumor promoting effects in melanoma, and ambiguous role in prostate cancer, and discuss potential challenges and opportunities that may be associated with targeting Wnt signaling for cancer therapy and treatment of bone metastases. © 2016 American Society for Bone and Mineral Research.
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Affiliation(s)
- Stefanie Thiele
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität (TU) Dresden Medical Center, Dresden, Germany
| | - Tilman D Rachner
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität (TU) Dresden Medical Center, Dresden, Germany
| | - Martina Rauner
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität (TU) Dresden Medical Center, Dresden, Germany
| | - Lorenz C Hofbauer
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, Technische Universität (TU) Dresden Medical Center, Dresden, Germany.,German Cancer Consortium (DKTK), partner site Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Center for Healthy Aging, Technische Universität (TU) Dresden Medical Center, Dresden, Germany
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26
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Schwartz AL, Dickerson E, Dagia N, Malgor R, McCall KD. TLR signaling inhibitor, phenylmethimazole, in combination with tamoxifen inhibits human breast cancer cell viability and migration. Oncotarget 2016; 8:113295-113302. [PMID: 29371911 PMCID: PMC5768328 DOI: 10.18632/oncotarget.10358] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 05/28/2016] [Indexed: 12/19/2022] Open
Abstract
Heightened co-expression and dysregulated signaling associated with Toll-like receptor 3 (TLR3) and Wnt5a is an integral component of solid tumors and hematological malignancies. Our previous findings in pancreatic cancer and melanoma suggest that inhibition of these pathways by a TLR3 signaling inhibitor, phenylmethimazole (C10), results in significantly decreased IL-6 levels, STAT3 phosphorylation, minimal cancer cell migration and reduced cancer cell growth in vitro and in vivo. In this study, we extended our earlier observations by performing studies in human breast cancer cells. We found that human MCF-7 breast cancer cells express high basal levels of TLR3 and Wnt5a RNA. C10 treatment resulted in significantly decreased TLR3 and Wnt5a expression levels. This functionally translated into significantly reduced IL-6 levels and STAT3 phosphorylation in vitro. In addition, the inhibition of this signaling cascade by C10 further resulted in decreased cell viability and migration of MCF-7 cells. Strikingly, the combination of C10 and tamoxifen, the standard of care therapy for breast cancer, further decrease cancer cell growth better than either agent alone. These data support the novel finding that inhibition of TLR3 signaling in combination with tamoxifen, may increase the effectiveness of current treatments of breast cancer.
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Affiliation(s)
| | - Eric Dickerson
- Department of Biomedical Sciences, Appalachian Rural Health Institute, Diabetes Research Center, College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
| | - Nilesh Dagia
- Oxygen Healthcare Research Pvt. Ltd, Ahmedabad, Gujarat 382213, India
| | - Ramiro Malgor
- Department of Biomedical Sciences, Appalachian Rural Health Institute, Diabetes Research Center, College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
| | - Kelly D McCall
- Department of Specialty Medicine, Appalachian Rural Health Institute, Diabetes Research Center, College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
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27
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Linke F, Zaunig S, Nietert MM, von Bonin F, Lutz S, Dullin C, Janovská P, Beissbarth T, Alves F, Klapper W, Bryja V, Pukrop T, Trümper L, Wilting J, Kube D. WNT5A: a motility-promoting factor in Hodgkin lymphoma. Oncogene 2016; 36:13-23. [DOI: 10.1038/onc.2016.183] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 03/23/2016] [Accepted: 04/18/2016] [Indexed: 12/24/2022]
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28
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Kim Y, Williams KC, Gavin CT, Jardine E, Chambers AF, Leong HS. Quantification of cancer cell extravasation in vivo. Nat Protoc 2016; 11:937-48. [PMID: 27101515 DOI: 10.1038/nprot.2016.050] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cancer cell 'invasiveness' is one of the main driving forces in cancer metastasis, and assays that quantify this key attribute of cancer cells are crucial in cancer metastasis research. The research goal of many laboratories is to elucidate the signaling pathways and effectors that are responsible for cancer cell invasion, but many of these experiments rely on in vitro methods that do not specifically simulate individual steps of the metastatic cascade. Cancer cell extravasation is arguably the most important example of invasion in the metastatic cascade, whereby a single cancer cell undergoes transendothelial migration, forming invasive processes known as invadopodia to mediate translocation of the tumor cell from the vessel lumen into tissue in vivo. We have developed a rapid, reproducible and economical technique to evaluate cancer cell invasiveness by quantifying in vivo rates of cancer cell extravasation in the chorioallantoic membrane (CAM) of chicken embryos. This technique enables the investigator to perform well-powered loss-of-function studies of cancer cell extravasation within 24 h, and it can be used to identify and validate drugs with potential antimetastatic effects that specifically target cancer cell extravasation. A key advantage of this technique over similar assays is that intravascular cancer cells within the capillary bed of the CAM are clearly distinct from extravasated cells, which makes cancer cell extravasation easy to detect. An intermediate level of experience in injections of the chorioallantoic membrane of avian embryos and cell culture techniques is required to carry out the protocol.
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Affiliation(s)
- Yohan Kim
- Department of Surgery, Schulich School of Medicine, Western University, London, Ontario, Canada.,Translational Prostate Cancer Research Laboratory, Lawson Health Research Institute, London, Ontario, Canada
| | - Karla C Williams
- Department of Surgery, Schulich School of Medicine, Western University, London, Ontario, Canada.,Translational Breast Cancer Research Unit, London Health Sciences Centre, London, Ontario, Canada
| | - Carson T Gavin
- Department of Surgery, Schulich School of Medicine, Western University, London, Ontario, Canada.,Translational Prostate Cancer Research Laboratory, Lawson Health Research Institute, London, Ontario, Canada
| | - Emily Jardine
- Department of Surgery, Schulich School of Medicine, Western University, London, Ontario, Canada.,Translational Prostate Cancer Research Laboratory, Lawson Health Research Institute, London, Ontario, Canada
| | - Ann F Chambers
- Translational Breast Cancer Research Unit, London Health Sciences Centre, London, Ontario, Canada.,Department of Oncology, Schulich School of Medicine, Western University, London, Ontario, Canada
| | - Hon S Leong
- Department of Surgery, Schulich School of Medicine, Western University, London, Ontario, Canada.,Translational Prostate Cancer Research Laboratory, Lawson Health Research Institute, London, Ontario, Canada
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29
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Arabzadeh S, Hossein G, Zarnani AH. Wnt5A exerts immunomodulatory activity in the human ovarian cancer cell line SKOV-3. Cell Biol Int 2015; 40:177-87. [DOI: 10.1002/cbin.10551] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 10/06/2015] [Indexed: 12/13/2022]
Affiliation(s)
- Somayeh Arabzadeh
- Department of Animal Physiology; Developmental Biology Laboratory; School of Biology; College of Science; University of Tehran; Tehran Iran
| | - Ghamartaj Hossein
- Department of Animal Physiology; Developmental Biology Laboratory; School of Biology; College of Science; University of Tehran; Tehran Iran
| | - Amir Hassan Zarnani
- Nanobiotechnology Research Center; Avicenna Research Institute; ACECR; Tehran Iran
- Immunology Research Center; Iran University of Medical Sciences; Tehran Iran
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30
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Fellgett SW, Maguire RJ, Pownall ME. Sulf1 has ligand-dependent effects on canonical and non-canonical Wnt signalling. J Cell Sci 2015; 128:1408-21. [PMID: 25681501 PMCID: PMC4379729 DOI: 10.1242/jcs.164467] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Wnt signalling plays essential roles during embryonic development and is known to be mis-regulated in human disease. There are many molecular mechanisms that ensure tight regulation of Wnt activity. One such regulator is the heparan-sulfate-specific 6-O-endosulfatase Sulf1. Sulf1 acts extracellularly to modify the structure of heparan sulfate chains to affect the bio-availability of Wnt ligands. Sulf1 could, therefore, influence the formation of Wnt signalling complexes to modulate the activation of both canonical and non-canonical pathways. In this study, we use well-established assays in Xenopus to investigate the ability of Sulf1 to modify canonical and non-canonical Wnt signalling. In addition, we model the ability of Sulf1 to influence morphogen gradients using fluorescently tagged Wnt ligands in ectodermal explants. We show that Sulf1 overexpression has ligand-specific effects on Wnt signalling: it affects membrane accumulation and extracellular levels of tagged Wnt8a and Wnt11b ligands differently, and inhibits the activity of canonical Wnt8a but enhances the activity of non-canonical Wnt11b.
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