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Liang W, Zhang Y, Guo Y, Zhang P, Jin J, Guan H, Li Y. FLNA overexpression promotes papillary thyroid cancer aggression via the FAK/AKT signaling pathway. Endocr Connect 2024; 13:e240034. [PMID: 38614124 PMCID: PMC11103747 DOI: 10.1530/ec-24-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/11/2024] [Indexed: 04/15/2024]
Abstract
Background Filamin A (FLNA) is a member of the filamin family and has been found to be critical for the progression of several cancers. However, its biological function in papillary thyroid cancer (PTC) remains largely unexplored. Methods Data from The Cancer Genome Atlas (TCGA) databases were utilized to analyze the FLNA expression level and its influence on the clinical implications of patients with PTC. Gene Expression Omnibus (GEO) and qRT-PCR was used to verify the expression levels of FLNA in PTC. Kaplan-Meier survival analysis was conducted to evaluate the prognostic value of FLNA in PTC. Transwell assays and wound healing were performed to examine the biological function of FLNA knockdown in PTC cells. Gene set enrichment analysis (GSEA) and Western blotting were conducted to investigate the potential mechanisms underlying the role of FLNA in PTC progression. In addition, the relationship between FLNA expression and the tumor immune microenvironment (TME) in PTC was explored. Results FLNA was significantly upregulated in PTC tissues. High expression levels of FLNA was correlated with advanced TNM stage, T stage, and N stage, as well as poor disease-free interval (DFI) and progression-free interval (PFI) time in PTC patients. Moreover, we found that FLNA knockdown inhibited the migration and invasion of PTC cells. Mechanistically, FLNA knockdown inhibited epithelial-mesenchymal transition (EMT) in PTC and affected the activation of the FAK/AKT signaling pathway. In addition, FLNA expression was associated with TME in PTC. Conclusion FLNA may be regarded as a new therapeutic target for PTC patients.
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Affiliation(s)
- Weiwei Liang
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yilin Zhang
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yan Guo
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Pengyuan Zhang
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiewen Jin
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hongyu Guan
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yanbing Li
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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Giovannelli P, Di Donato M, Licitra F, Sabbatino E, Tutino V, Castoria G, Migliaccio A. Filamin A in triple negative breast cancer. Steroids 2024; 205:109380. [PMID: 38311094 DOI: 10.1016/j.steroids.2024.109380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/06/2024]
Abstract
Triple-negative breast cancer is a rare but highly heterogeneous breast cancer subtype with a limited choice of specific treatments. Chemotherapy remains the only efficient treatment, but its side effects and the development of resistance consolidate the urgent need to discover new targets. In TNBC, filamin A expression correlates to grade and TNM stage. Accordingly, this protein could constitute a new target for this BC subtype. Even if most of the data indicates its direct involvement in cancer progression, some contrasting results underline the need to deepen the studies. To elucidate a possible function of this protein as a TNBC marker, we summarized the main characteristic of filamin A and its involvement in physiological and pathological processes such as cancer. Lastly, we scrutinized its actions in triple-negative breast cancer and highlighted the need to increase the number of studies useful to better clarify the role of this versatile protein as a marker and target in TNBC, alone or in "collaboration" with other proteins with a relevant role in this BC subgroup.
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Affiliation(s)
- Pia Giovannelli
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy.
| | - Marzia Di Donato
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
| | - Fabrizio Licitra
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
| | - Emilia Sabbatino
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
| | - Viviana Tutino
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
| | - Gabriella Castoria
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
| | - Antimo Migliaccio
- Department of Precision Medicine, University of Campania "L.Vanvitelli", Via L. De Crecchio, 7-80138 Naples, Italy
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3
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Zawadka P, Zielińska W, Gagat M, Izdebska M. Role of Filamin A in Growth and Migration of Breast Cancer-Review. Curr Issues Mol Biol 2024; 46:3408-3423. [PMID: 38666944 PMCID: PMC11049233 DOI: 10.3390/cimb46040214] [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: 03/18/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Despite ongoing research in the field of breast cancer, the morbidity rates indicate that the disease remains a significant challenge. While patients with primary tumors have relatively high survival rates, these chances significantly decrease once metastasis begins. Thus, exploring alternative approaches, such as targeting proteins overexpressed in malignancies, remains significant. Filamin A (FLNa), an actin-binding protein (ABP), is involved in various cellular processes, including cell migration, adhesion, proliferation, and DNA repair. Overexpression of the protein was confirmed in samples from patients with numerous oncological diseases such as prostate, lung, gastric, colorectal, and pancreatic cancer, as well as breast cancer. Although most researchers concur on its role in promoting breast cancer progression and aggressiveness, discrepancies exist among studies. Moreover, the precise mechanisms through which FLNa affects cell migration, invasion, and even cancer progression remain unclear, highlighting the need for further research. To evaluate FLNa's potential as a therapeutic target, we have summarized its roles in breast cancer.
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Affiliation(s)
- Patryk Zawadka
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-092 Bydgoszcz, Poland; (P.Z.); (W.Z.); (M.I.)
| | - Wioletta Zielińska
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-092 Bydgoszcz, Poland; (P.Z.); (W.Z.); (M.I.)
| | - Maciej Gagat
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-092 Bydgoszcz, Poland; (P.Z.); (W.Z.); (M.I.)
- Faculty of Medicine, Collegium Medicum, Mazovian Academy in Płock, 09-402 Płock, Poland
| | - Magdalena Izdebska
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-092 Bydgoszcz, Poland; (P.Z.); (W.Z.); (M.I.)
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4
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Xie Y, Qi J, Liu J. Curcumin suppresses the malignant phenotype of laryngeal squamous cell carcinoma through downregulating E2F1 to inhibit FLNA. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03059-x. [PMID: 38592439 DOI: 10.1007/s00210-024-03059-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/18/2024] [Indexed: 04/10/2024]
Abstract
Curcumin is a kind of polyphenol substance extracted from the rhizome of Curcuma longa. Because of its good biological activity and pharmacological effects, it has been used in anti-tumor research. The aim of this study was to investigate the anti-cancer mechanism of curcumin on laryngeal squamous cell carcinoma (LSCC). Quantitative real-time polymerase chain reaction (qRT-PCR) was performed to check the expression level of transcription factor E2F1 (E2F1) and filamin A (FLNA) mRNA. E2F1 and FLNA protein and proliferation-associated protein were detected through western blot. Cell viability was showed by MTT assay, and flow cytometry was used to exhibit cell cycle distribution and cell apoptosis. Tube formation assay was used to detect the angiogenesis ability of cells. Transwell was used as a method to observe cell migration and invasion. The online website JASPAR predicted the binding site of E2F1 and FLNA promoter, and chromatin immunoprecipitation (ChIP) and dual-luciferase report experiment verified the combination. Curcumin treatment made LSCC cells viability reduce, cell cycle retardant, angiogenesis decrease, metastasis inhibition and apoptosis increase. And curcumin treatment could downregulate the expression of E2F1, and E2F1 overexpression would reverse the influence of curcumin treatment in LSCC cells. Moreover, E2F1 could bind to FLAN promoter and promote FLNA expression. The expression level of FLNA was higher in LSCC tissue and cells compared with normal tissue and cells. E2F1 knockdown inhibited malignant phenotype of LSCC cells, which would be reversed by FLNA addition. In addition, FLNA had high level in LSCC tissue and cells. Curcumin regulated FLNA expression via inhibiting E2F1. Finally, in vivo assay showed that curcumin inhibition restrained LSCC tumor formation. Curcumin downregulated FLNA expression through inhibiting E2F1, thereby suppressing the malignant phenotype and angiogenesis of LSCC cells, which was a new regulatory pathway in LSCC.
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Affiliation(s)
- Yuanchun Xie
- Department of Otorhinolaryngology-Head and Neck Surgery, Jingmen People's Hospital, Jingmen, China.
| | - Jingjing Qi
- Department of Otorhinolaryngology-Head and Neck Surgery, Jingmen No.2 People's Hospital, No.39, Xiangshan Avenue, Jingmen City, 448000, Hubei, China.
| | - Ju Liu
- Department of Operating Theatre, Jingmen No.2 People's Hospital, Jingmen City, 448000, Hubei, China
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Garone ME, Chase SE, Zhang C, Krendel M. Myosin 1e deficiency affects migration of 4T1 breast cancer cells. Cytoskeleton (Hoboken) 2023. [PMID: 38140937 DOI: 10.1002/cm.21819] [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: 08/08/2023] [Revised: 11/03/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023]
Abstract
Metastasis of breast cancer cells to distant tissue sites is responsible for the majority of deaths associated with breast cancer. Previously we have examined the role of class I myosin motor protein, myosin 1e (myo1e), in cancer metastasis using the Mouse Mammary Tumor Virus-Polyoma Middle T Antigen (MMTV-PyMT) mouse model. Mice deficient in myo1e formed tumors with a more differentiated phenotype relative to the wild-type mice and formed no detectable lung metastases. In the current study, we investigated how the absence of myo1e affects cell migration and invasion in vitro, using the highly invasive and migratory breast cancer cell line, 4T1. 4T1 cells deficient in myo1e exhibited an altered morphology and slower rates of migration in the wound-healing and transwell migration assays compared to the WT 4T1 cells. While integrin trafficking and Golgi reorientation did not appear to be altered upon myo1e loss, we observed lower rates of focal adhesion disassembly in myo1e-deficient cells, which could help explain the cell migration defect.
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Affiliation(s)
- Michael E Garone
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Sharon E Chase
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Chunling Zhang
- Department of Neuroscience and Physiology, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Mira Krendel
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, New York, USA
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Huang L, Shao J, Xu X, Hong W, Yu W, Zheng S, Ge X. WTAP regulates autophagy in colon cancer cells by inhibiting FLNA through N6-methyladenosine. Cell Adh Migr 2023; 17:1-13. [PMID: 36849408 PMCID: PMC9980444 DOI: 10.1080/19336918.2023.2180196] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
Abstract
Our study investigated the role of WTAP in colon cancer. We employed experiments including m6A dot blot hybridization, methylated RNA immunoprecipitation, dual-luciferase, and RNA immunoprecipitation to investigate the regulatory mechanism of WTAP. Western blot was performed to analyze the expression of WTAP, FLNA and autophagy-related proteins in cells. Our results confirmed the up-regulation of WTAP in colon cancer and its promoting effect on proliferation and inhibiting effect on apoptosis. FLNA was the downstream gene of WTAP and WTAP-regulated m6A modification led to post-transcriptional repression of FLNA. The rescue experiments showed that WTAP/FLNA could inhibit autophagy. WTAP-mediated m6A modification was confirmed to be crucial in colon cancer development, providing new insights into colon cancer therapy.
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Affiliation(s)
- Liang Huang
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Jinfan Shao
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Xijuan Xu
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Weiwen Hong
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Wenfeng Yu
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Shuang Zheng
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China
| | - Xiaogang Ge
- Department of General Surgery, Taizhou First People’s Hospital, Taizhou, Zhejiang, China,CONTACT Xiaogang Ge Department of General Surgery, Taizhou First People’s Hospital, No. 218 Hengjie Road, Huangyan District, Taizhou, Zhejiang, 318020, China
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7
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Biswas R, Boyd EK, Eaton N, Steenackers A, Schulte ML, Reusswig F, Yu H, Drew C, Kahr WHA, Shi Q, Plomann M, Hoffmeister KM, Falet H. PACSIN2 regulates platelet integrin β1 hemostatic function. J Thromb Haemost 2023; 21:3619-3632. [PMID: 37678551 PMCID: PMC10841284 DOI: 10.1016/j.jtha.2023.08.026] [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: 04/25/2023] [Revised: 08/11/2023] [Accepted: 08/25/2023] [Indexed: 09/09/2023]
Abstract
BACKGROUND Upon vessel injury, platelets adhere to exposed matrix constituents via specific membrane receptors, including the von Willebrand factor receptor glycoprotein (GP)Ib-IX-V complex and integrins β1 and β3. In platelets, the Fes/CIP4-homology Bin-Amphiphysin-Rvs protein PACSIN2 associates with the cytoskeletal and scaffolding protein filamin A (FlnA), linking GPIbα and integrins to the cytoskeleton. OBJECTIVES Here we investigated the role of PACSIN2 in platelet function. METHODS Platelet parameters were evaluated in mice lacking PACSIN2 and platelet integrin β1. RESULTS Pacsin2-/- mice displayed mild thrombocytopenia, prolonged bleeding time, and delayed thrombus formation in a ferric chloride-mediated carotid artery injury model, which was normalized by injection of control platelets. Pacsin2-/- platelets formed unstable thrombi that embolized abruptly in a laser-induced cremaster muscle injury model. Pacsin2-/- platelets had hyperactive integrin β1, as evidenced by increased spreading onto surfaces coated with the collagen receptor α2β1-specific peptide GFOGER and increased binding of the antibody 9EG7 directed against active integrin β1. By contrast, Pacsin2-/- platelets had normal integrin αIIbβ3 function and expressed P-selectin normally following stimulation through the collagen receptor GPVI or with thrombin. Deletion of platelet integrin β1 in Pacsin2-/- mice normalized platelet count, hemostasis, and thrombus formation. A PACSIN2 peptide mimicking the FlnA-binding site mediated the pull-down of a FlnA rod 2 construct by integrin β7, a model for integrin β-subunits. CONCLUSIONS Pacsin2-/- mice displayed severe thrombus formation defects due to hyperactive platelet integrin β1. The data suggest that PACSIN2 binding to FlnA negatively regulates platelet integrin β1 hemostatic function.
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Affiliation(s)
- Ratnashree Biswas
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA
| | - Emily K Boyd
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Nathan Eaton
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Agata Steenackers
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA
| | | | - Friedrich Reusswig
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA
| | - Hongyin Yu
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Caleb Drew
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA
| | - Walter H A Kahr
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada; Departments of Paediatrics and Biochemistry, University of Toronto, Toronto, Ontario, Canada
| | - Qizhen Shi
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Children's Research Institute, Children's Wisconsin, Milwaukee, Wisconsin, USA
| | - Markus Plomann
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany
| | - Karin M Hoffmeister
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA; Departments of Biochemistry and Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Hervé Falet
- Versiti Blood Research Institute, Milwaukee, Wisconsin, USA; Translational Glycomics Center, Milwaukee, Wisconsin, USA; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
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García-Trevijano ER, Ortiz-Zapater E, Gimeno A, Viña JR, Zaragozá R. Calpains, the proteases of two faces controlling the epithelial homeostasis in mammary gland. Front Cell Dev Biol 2023; 11:1249317. [PMID: 37795261 PMCID: PMC10546029 DOI: 10.3389/fcell.2023.1249317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/05/2023] [Indexed: 10/06/2023] Open
Abstract
Calpain-1 and calpain-2 are calcium-dependent Cys-proteases ubiquitously expressed in mammalian tissues with a processive, rather than degradative activity. They are crucial for physiological mammary gland homeostasis as well as for breast cancer progression. A growing number of evidences indicate that their pleiotropic functions depend on the cell type, tissue and biological context where they are expressed or dysregulated. This review considers these standpoints to cover the paradoxical role of calpain-1 and -2 in the mammary tissue either, under the physiological conditions of the postlactational mammary gland regression or the pathological context of breast cancer. The role of both calpains will be examined and discussed in both conditions, followed by a brief snapshot on the present and future challenges for calpains, the two-gateway proteases towards tissue homeostasis or tumor development.
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Affiliation(s)
- Elena R. García-Trevijano
- Department of Biochemistry and Molecular Biology, Universitat de Valencia, Valencia, Spain
- INLIVA Biomedical Research Institute, Valencia, Spain
| | - Elena Ortiz-Zapater
- Department of Biochemistry and Molecular Biology, Universitat de Valencia, Valencia, Spain
- INLIVA Biomedical Research Institute, Valencia, Spain
| | - Amparo Gimeno
- Department of Anatomy and Human Embryology, Universitat de Valencia, Valencia, Spain
| | - Juan R. Viña
- Department of Biochemistry and Molecular Biology, Universitat de Valencia, Valencia, Spain
- INLIVA Biomedical Research Institute, Valencia, Spain
| | - Rosa Zaragozá
- INLIVA Biomedical Research Institute, Valencia, Spain
- Department of Anatomy and Human Embryology, Universitat de Valencia, Valencia, Spain
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Alexandrova A, Lomakina M. How does plasticity of migration help tumor cells to avoid treatment: Cytoskeletal regulators and potential markers. Front Pharmacol 2022; 13:962652. [PMID: 36278174 PMCID: PMC9582651 DOI: 10.3389/fphar.2022.962652] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
Tumor shrinkage as a result of antitumor therapy is not the only and sufficient indicator of treatment success. Cancer progression leads to dissemination of tumor cells and formation of metastases - secondary tumor lesions in distant organs. Metastasis is associated with acquisition of mobile phenotype by tumor cells as a result of epithelial-to-mesenchymal transition and further cell migration based on cytoskeleton reorganization. The main mechanisms of individual cell migration are either mesenchymal, which depends on the activity of small GTPase Rac, actin polymerization, formation of adhesions with extracellular matrix and activity of proteolytic enzymes or amoeboid, which is based on the increase in intracellular pressure caused by the enhancement of actin cortex contractility regulated by Rho-ROCK-MLCKII pathway, and does not depend on the formation of adhesive structures with the matrix, nor on the activity of proteases. The ability of tumor cells to switch from one motility mode to another depending on cell context and environmental conditions, termed migratory plasticity, contributes to the efficiency of dissemination and often allows the cells to avoid the applied treatment. The search for new therapeutic targets among cytoskeletal proteins offers an opportunity to directly influence cell migration. For successful treatment it is important to assess the likelihood of migratory plasticity in a particular tumor. Therefore, the search for specific markers that can indicate a high probability of migratory plasticity is very important.
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Zhao J, Chen Y. Systematic identification of cancer-associated-fibroblast-derived genes in patients with colorectal cancer based on single-cell sequencing and transcriptomics. Front Immunol 2022; 13:988246. [PMID: 36105798 PMCID: PMC9465173 DOI: 10.3389/fimmu.2022.988246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
Colorectal cancer (CRC) has a high incidence rate and poor prognosis, and the available treatment approaches have limited therapeutic benefits. Therefore, understanding the underlying mechanisms of occurrence and development is particularly crucial. Increasing attention has been paid to the pathophysiological role of cancer-associated fibroblasts (CAFs) in the heterogeneous tumour microenvironment. CAFs play a crucial role in tumorigenesis, tumour progression and treatment response. However, routine tissue sequencing cannot adequately reflect the heterogeneity of tumours. In this study, single-cell sequencing was used to examine the fibroblast population in CRC. After cluster analysis, the fibroblast population was divided into four subgroups. The distribution and role of these four subgroups in CRC were found to be different. Based on differential gene expression and lasso regression analysis of the main marker genes in these subgroups, four representative genes were obtained, namely, TCF7L1, FLNA, GPX3 and MMP11. Patients with CRC were divided into the low- and high-risk groups using the prognostic risk model established based on the expression of these four genes. The prognosis of patients in different risk groups varied significantly; patients with low-risk scores had a greater response to PDL1 inhibitors, significant clinical benefits and significantly prolonged overall survival. These effects may be attributed to inhibition of the function of T cells in the immune microenvironment and promotion of the function of tumour-associated macrophages.
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Affiliation(s)
- Jia Zhao
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China
- Liaoning Province Clinical Research Center for Cancer, Shenyang, China
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, Shenyang, China
| | - Ying Chen
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China
- Liaoning Province Clinical Research Center for Cancer, Shenyang, China
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, Shenyang, China
- *Correspondence: Ying Chen,
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Langlois B, Martin J, Schneider C, Hachet C, Terryn C, Rioult D, Martiny L, Théret L, Salesse S, Dedieu S. LRP-1-dependent control of calpain expression and activity: A new mechanism regulating thyroid carcinoma cell adhesion. Front Oncol 2022; 12:981927. [PMID: 36052226 PMCID: PMC9424861 DOI: 10.3389/fonc.2022.981927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
The low-density lipoprotein receptor-related protein 1 (LRP1) is a multifunctional endocytic receptor mediating the clearance of various molecules from the extracellular matrix. LRP1 also regulates cell surface expression of matrix receptors by modulating both extracellular and intracellular signals, though current knowledge of the underlying mechanisms remains partial in the frame of cancer cells interaction with matricellular substrates. In this study we identified that LRP1 downregulates calpain activity and calpain 2 transcriptional expression in an invasive thyroid carcinoma cell model. LRP1-dependent alleviation of calpain activity limits cell-matrix attachment strength and contributes to FTC133 cells invasive abilities in a modified Boyden chamber assays. In addition, using enzymatic assays and co-immunoprecipitation experiments, we demonstrated that LRP1 exerts post-translational inhibition of calpain activity through PKA-dependent phosphorylation of calpain-2. This LRP-1 dual mode of control of calpain activity fine-tunes carcinoma cell spreading. We showed that LRP1-mediated calpain inhibition participates in talin-positive focal adhesions dissolution and limits β1-integrin expression at carcinoma cell surface. In conclusion, we identified an additional and innovative intracellular mechanism which demonstrates LRP-1 pro-motile action in thyroid cancer cells. LRP-1 ability to specifically control calpain-2 expression and activity highlights a novel facet of its de-adhesion receptor status.
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Affiliation(s)
- Benoit Langlois
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
- *Correspondence: Benoit Langlois,
| | - Julie Martin
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Christophe Schneider
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Cathy Hachet
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Christine Terryn
- Plate-Forme Imagerie Cellulaire et Tissulaire (PICT), Université de Reims Champagne-Ardenne, UFR Médecine, Reims, France
| | - Damien Rioult
- Plateau Technique Mobile de Cytométrie Environnementale MOBICYTE, Université de Reims Champagne-Ardenne/INERIS, Reims, France
| | - Laurent Martiny
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Louis Théret
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Stéphanie Salesse
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
| | - Stéphane Dedieu
- UFR Sciences Exactes et Naturelles, Université de Reims Champagne-Ardenne, Reims, France
- Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, UMR 7369 CNRS, Reims, France
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12
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Jain M, Weber A, Maly K, Manjaly G, Deek J, Tsvyetkova O, Stulić M, Toca‐Herrera JL, Jantsch MF. A-to-I RNA editing of Filamin A regulates cellular adhesion, migration and mechanical properties. FEBS J 2022; 289:4580-4601. [PMID: 35124883 PMCID: PMC9546289 DOI: 10.1111/febs.16391] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 12/23/2021] [Accepted: 02/04/2022] [Indexed: 02/06/2023]
Abstract
A-to-I RNA editing by ADARs is an abundant epitranscriptomic RNA-modification in metazoa. In mammals, Flna pre-mRNA harbours a single conserved A-to-I RNA editing site that introduces a Q-to-R amino acid change in Ig repeat 22 of the encoded protein. Previously, we showed that FLNA editing regulates smooth muscle contraction in the cardiovascular system and affects cardiac health. The present study investigates how ADAR2-mediated A-to-I RNA editing of Flna affects actin crosslinking, cell mechanics, cellular adhesion and cell migration. Cellular assays and AFM measurements demonstrate that the edited version of FLNA increases cellular stiffness and adhesion but impairs cell migration in both, mouse fibroblasts and human tumour cells. In vitro, edited FLNA leads to increased actin crosslinking, forming actin gels of higher stress resistance. Our study shows that Flna RNA editing is a novel regulator of cytoskeletal organisation, affecting the mechanical property and mechanotransduction of cells.
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Affiliation(s)
- Mamta Jain
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
| | - Andreas Weber
- Department of NanobiotechnologyInstitute for BiophysicsUniversity of Natural Resources and Life Sciences Vienna (BOKU)Austria
| | - Kathrin Maly
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
| | - Greeshma Manjaly
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
| | - Joanna Deek
- Department of Physics, Cellular Biophysics E27Technical University of MunichGarchingGermany
| | - Olena Tsvyetkova
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
| | - Maja Stulić
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
| | - José L. Toca‐Herrera
- Department of NanobiotechnologyInstitute for BiophysicsUniversity of Natural Resources and Life Sciences Vienna (BOKU)Austria
| | - Michael F. Jantsch
- Division of Cell BiologyCenter for Anatomy and Cell BiologyMedical University of ViennaAustria
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13
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Wang C, Han J, Liu M, Huang Y, Zhou T, Jiang N, Hui H, Xu K. RNA-sequencing of human aortic valves identifies that miR-629-3p and TAGLN miRNA-mRNA pair involving in calcified aortic valve disease. J Physiol Biochem 2022; 78:819-831. [PMID: 35776288 DOI: 10.1007/s13105-022-00905-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 06/11/2022] [Indexed: 12/20/2022]
Abstract
This study aimed to uncover the microRNA and messenger RNA (miRNA/mRNA) interactions in the pathophysiological process of calcified aortic valve disease (CAVD) of the human aortic valve. RNA sequencing of six selected samples (3 healthy control samples vs. 3 CAVD samples) was performed to obtain mRNA and miRNA sequences, and differential expression (DE) analysis of miRNA and mRNAs was performed. To build a CAVD-specific miRNA-mRNA interactome, the upregulated mRNAs and downregulated miRNAs were selected, followed by the establishment of inverse DE of mRNA-miRNA co-expression network based on Pearson's correlation coefficient using miRanda in the R language software. Subsequently, pathway enrichment analysis was performed to elucidate CAVD-related pathways that were likely mediated by miRNA regulatory mechanisms. In addition, miRNAs with an mRNA correlation greater than 0.9 in the co-expression network were selected for anti-calcification verification in a CAVD cellular model. We identified 216 mRNAs (99 downregulated and 117 upregulated) and 602 miRNAs (371 downregulated and 231 upregulated) that were differentially expressed between CAVD and healthy aortic valves. After applying Pearson's correlation toward miRNA-mRNA targets, a regulatory network of 67 miRNAs targeting 76 mRNAs was created. The subsequent pathway enrichment analysis of these targeted mRNAs elucidated that genes within the focal adhesion pathway are likely mediated by miRNA regulatory mechanisms. The selected hsa-miR-629-3p and TAGLN pair exhibited anti-calcification effects on osteogenic differentiation-induced human aortic valve interstitial cells (hVICs). On integrating the miRNA and mRNA sequencing data for healthy aortic valves and those with CAVD, the CAVD-associated miRNA-mRNA interactome and related pathways were elucidated. Additional cell function data demonstrated anti-calcification effects of the selected hsa-miR-629-3p targeting TAGLN, validating that it is a potential therapeutic target for inhibiting CAVD.
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Affiliation(s)
- Chunli Wang
- Hubei Engineering Technology Research Center of Chinese Materia Medica Processing, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China
| | - Juanjuan Han
- Hubei Engineering Technology Research Center of Chinese Materia Medica Processing, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China
| | - Ming Liu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yuming Huang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tingwen Zhou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Nan Jiang
- Hubei Engineering Technology Research Center of Chinese Materia Medica Processing, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China
| | - Haipeng Hui
- Department of Cardiology, the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing, 100853, China.
| | - Kang Xu
- Hubei Engineering Technology Research Center of Chinese Materia Medica Processing, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, 430065, China.
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14
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LUZP1: A new player in the actin-microtubule cross-talk. Eur J Cell Biol 2022; 101:151250. [PMID: 35738212 DOI: 10.1016/j.ejcb.2022.151250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/05/2022] [Accepted: 06/08/2022] [Indexed: 11/23/2022] Open
Abstract
LUZP1 (leucine zipper protein 1) was first described as being important for embryonic development. Luzp1 null mice present defective neural tube closure and cardiovascular problems, which cause perinatal death. Since then, LUZP1 has also been implicated in the etiology of diseases like the 1p36 and the Townes-Brocks syndromes, and the molecular mechanisms involving this protein started being uncovered. Proteomics studies placed LUZP1 in the interactomes of the centrosome-cilium interface, centriolar satellites, and midbody. Concordantly, LUZP1 is an actin and microtubule-associated protein, which localizes to the centrosome, the basal body of primary cilia, the midbody, actin filaments and cellular junctions. LUZP1, like its interactor EPLIN, is an actin-stabilizing protein and a negative regulator of primary cilia formation. Moreover, through the regulation of actin, LUZP1 has been implicated in the regulation of cell cycle progression, cell migration and epithelial cell apical constriction. This review discusses the latest findings concerning LUZP1 molecular functions and implications in disease development.
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15
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Wang Z, He S, Jiang M, Li X, Chen N. Mechanism Study on Radiosensitization Effect of Curcumin in Bladder Cancer Cells Regulated by Filamin A. Dose Response 2022; 20:15593258221100997. [PMID: 35677349 PMCID: PMC9168873 DOI: 10.1177/15593258221100997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective To study the radiosensitization effect of curcumin, a natural product with
anti-inflammatory and anti-cancer properties, in bladder cancer cells and identify the
specific role of FLNA gene in that process. Methods CCK-8 method was initially adopted to identify the proper interventional concentration
of curcumin. T24 bladder cancer cells were subjected to CCK-8, flow cytometry, and
colony formation assay to study the cell biological behaviors under different
interventions. γ-H2AX test was performed to test the level of damage in T24 cells.
RT-qPCR and Western blot were conducted to measure FLNA mRNA and protein levels. Results Low-dose curcumin (10, 20 μM) following X-ray exposure resulted in increased DNA
damage, augmented apoptosis, and reduced proliferation of T24 cells. Certain
radiosensitization was demonstrated when curcumin was applied at 10 μM. Additionally,
elevation of FLNA gene and protein levels was also indicated upon combination
treatment. Conclusion Low-dose curcumin has certain radiosensitization effect in bladder cancer, where FLNA
plays a certain regulatory role.
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Affiliation(s)
- Zhenfan Wang
- Soochow University Affiliated Suzhou Ninth Hospital, Suzhou, China
| | - Shuqing He
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, China
- School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Minjun Jiang
- Soochow University Affiliated Suzhou Ninth Hospital, Suzhou, China
| | - Xue Li
- Soochow University Affiliated Suzhou Ninth Hospital, Suzhou, China
| | - Na Chen
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, China
- Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou, China
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16
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Vakhrusheva A, Murashko A, Trifonova E, Efremov Y, Timashev P, Sokolova O. Role of Actin-binding Proteins in the Regulation of Cellular Mechanics. Eur J Cell Biol 2022; 101:151241. [DOI: 10.1016/j.ejcb.2022.151241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/18/2022] [Accepted: 05/19/2022] [Indexed: 12/25/2022] Open
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17
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Rab33b-exocyst interaction mediates localized secretion for focal adhesion turnover and cell migration. iScience 2022; 25:104250. [PMID: 35521520 PMCID: PMC9061791 DOI: 10.1016/j.isci.2022.104250] [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: 10/01/2021] [Revised: 02/17/2022] [Accepted: 04/08/2022] [Indexed: 12/19/2022] Open
Abstract
Rab proteins are well known regulators of intracellular trafficking; however, more and more studies point to their function also in other cellular processes, including cell migration. In this work, we have performed an siRNA screen to identify Rab proteins that influence cell migration. The screen revealed Rab33b as the strongest candidate that affected cell motility. Rab33b has been previously reported to localize at the Golgi apparatus to regulate Golgi-to-ER retrograde trafficking and Golgi homeostasis. We revealed that Rab33b also mediates post-Golgi transport to the plasma membrane. We further identified Exoc6, a subunit of the exocyst complex, as an interactor of Rab33b. Moreover, our data indicate that Rab33b regulates focal adhesion dynamics by modulating the delivery of cargo such as integrins to focal adhesions. Altogether, our results demonstrate a role for Rab33b in cell migration by regulating the delivery of integrins to focal adhesions through the interaction with Exoc6. RNAi screen reveals a role for Rab33b in cell migration Rab33b influences focal adhesion dynamics Rab33b interacts with the exocyst subunit Exoc6 Rab33b together with Exoc6 mediates the delivery of β1 integrin to adhesion points
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18
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Zografos E, Proikakis SC, Anagnostopoulos AK, Korakiti AM, Zagouri F, Gazouli M, Tsangaris GT. High-throughput Proteomic Profiling of Male Breast Cancer Tissue. Cancer Genomics Proteomics 2022; 19:229-240. [PMID: 35181590 DOI: 10.21873/cgp.20316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/29/2021] [Accepted: 12/31/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND/AIM Until now, little emphasis has been placed on the protein expression profile of male breast cancer (MBC) tumors, due to the rarity of the disease. The present study aimed to identify a proteomic pattern that is characteristic for malignant male breast tissue epithelium. MATERIALS AND METHODS The protein content of four male breast tumors and corresponding adjacent healthy (control) tissues was analyzed by high-throughput nano-liquid chromatography-MS/MS technology. RESULTS A total of 2,352 proteins were identified, that correspond to 1,249 single gene products, with diverse biological roles. Of those, a panel of 119 differentially expressed tissue proteins was identified in MBC samples compared to controls; 90 were found to be over-expressed in MBC tissues, while 29 were down-regulated. Concurrently, 844 proteins were detected only in MBC tumors and 197 were expressed exclusively in control mammary samples. CONCLUSION Differential proteomic expression was found in MBC tissue, leading to improved understanding of MBC pathology and highlighting the need for personalized management of male patients.
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Affiliation(s)
- Eleni Zografos
- Department of Basic Medical Sciences, Laboratory of Biology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece;
| | - Stavros C Proikakis
- Proteomics Research Unit, Center of Basic Research II, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Athanasios K Anagnostopoulos
- Proteomics Research Unit, Center of Basic Research II, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Anna-Maria Korakiti
- Department of Clinical Therapeutics, Alexandra Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Flora Zagouri
- Department of Clinical Therapeutics, Alexandra Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Gazouli
- Department of Basic Medical Sciences, Laboratory of Biology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - George T Tsangaris
- Proteomics Research Unit, Center of Basic Research II, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
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Metastasising Fibroblasts Show an HDAC6-Dependent Increase in Migration Speed and Loss of Directionality Linked to Major Changes in the Vimentin Interactome. Int J Mol Sci 2022; 23:ijms23041961. [PMID: 35216078 PMCID: PMC8880509 DOI: 10.3390/ijms23041961] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/07/2023] Open
Abstract
Metastasising cells express the intermediate filament protein vimentin, which is used to diagnose invasive tumours in the clinic. We aimed to clarify how vimentin regulates the motility of metastasising fibroblasts. STED super-resolution microscopy, live-cell imaging and quantitative proteomics revealed that oncogene-expressing and metastasising fibroblasts show a less-elongated cell shape, reduced cell spreading, increased cell migration speed, reduced directionality, and stronger coupling between these migration parameters compared to normal control cells. In total, we identified and compared 555 proteins in the vimentin interactome. In metastasising cells, the levels of keratin 18 and Rab5C were increased, while those of actin and collagen were decreased. Inhibition of HDAC6 reversed the shape, spreading and migration phenotypes of metastasising cells back to normal. Inhibition of HDAC6 also decreased the levels of talin 1, tropomyosin, Rab GDI β, collagen and emilin 1 in the vimentin interactome, and partially reversed the nanoscale vimentin organisation in oncogene-expressing cells. These findings describe the changes in the vimentin interactome and nanoscale distribution that accompany the defective cell shape, spreading and migration of metastasising cells. These results support the hypothesis that oncogenes can act through HDAC6 to regulate the vimentin binding of the cytoskeletal and cell–extracellular matrix adhesion components that contribute to the defective motility of metastasising cells.
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20
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Pulzová LB, Roška J, Kalman M, Kliment J, Slávik P, Smolková B, Goffa E, Jurkovičová D, Kulcsár Ľ, Lešková K, Bujdák P, Mego M, Bhide MR, Plank L, Chovanec M. Screening for the Key Proteins Associated with Rete Testis Invasion in Clinical Stage I Seminoma via Label-Free Quantitative Mass Spectrometry. Cancers (Basel) 2021; 13:cancers13215573. [PMID: 34771736 PMCID: PMC8583098 DOI: 10.3390/cancers13215573] [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: 09/12/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/12/2022] Open
Abstract
Rete testis invasion (RTI) is an unfavourable prognostic factor for the risk of relapse in clinical stage I (CS I) seminoma patients. Notably, no evidence of difference in the proteome of RTI-positive vs. -negative CS I seminomas has been reported yet. Here, a quantitative proteomic approach was used to investigate RTI-associated proteins. 64 proteins were differentially expressed in RTI-positive compared to -negative CS I seminomas. Of them, 14-3-3γ, ezrin, filamin A, Parkinsonism-associated deglycase 7 (PARK7), vimentin and vinculin, were validated in CS I seminoma patient cohort. As shown by multivariate analysis controlling for clinical confounders, PARK7 and filamin A expression lowered the risk of RTI, while 14-3-3γ expression increased it. Therefore, we suggest that in real clinical biopsy specimens, the expression level of these proteins may reflect prognosis in CS I seminoma patients.
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Affiliation(s)
- Lucia Borszéková Pulzová
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
| | - Jan Roška
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
| | - Michal Kalman
- Department of Pathological Anatomy, Jessenius Faculty of Medicine and University Hospital in Martin, Comenius University, Malá Hora 4A, 036 01 Martin, Slovakia; (M.K.); (P.S.); (K.L.); (L.P.)
| | - Ján Kliment
- Clinic of Urology, Jessenius Faculty of Medicine and University Hospital in Martin, Comenius University, Malá Hora 4A, 036 01 Martin, Slovakia;
| | - Pavol Slávik
- Department of Pathological Anatomy, Jessenius Faculty of Medicine and University Hospital in Martin, Comenius University, Malá Hora 4A, 036 01 Martin, Slovakia; (M.K.); (P.S.); (K.L.); (L.P.)
| | - Božena Smolková
- Biomedical Research Center, Department of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia;
| | - Eduard Goffa
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
| | - Dana Jurkovičová
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
| | - Ľudovít Kulcsár
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
| | - Katarína Lešková
- Department of Pathological Anatomy, Jessenius Faculty of Medicine and University Hospital in Martin, Comenius University, Malá Hora 4A, 036 01 Martin, Slovakia; (M.K.); (P.S.); (K.L.); (L.P.)
| | - Peter Bujdák
- Department of Urology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia;
| | - Michal Mego
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
- 2nd Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenová 1, 833 10 Bratislava, Slovakia
| | - Mangesh R. Bhide
- Department of Microbiology and Immunology, University of Veterinary Medicine, Komenského 73, 041 81 Košice, Slovakia;
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia
| | - Lukáš Plank
- Department of Pathological Anatomy, Jessenius Faculty of Medicine and University Hospital in Martin, Comenius University, Malá Hora 4A, 036 01 Martin, Slovakia; (M.K.); (P.S.); (K.L.); (L.P.)
| | - Miroslav Chovanec
- Biomedical Research Center, Department of Genetics, Cancer Research Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia; (L.B.P.); (J.R.); (E.G.); (D.J.); (Ľ.K.); (M.M.)
- Correspondence:
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21
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Greiten JK, Kliewe F, Schnarre A, Artelt N, Schröder S, Rogge H, Amann K, Daniel C, Lindenmeyer MT, Cohen CD, Endlich K, Endlich N. The role of filamins in mechanically stressed podocytes. FASEB J 2021; 35:e21560. [PMID: 33860543 DOI: 10.1096/fj.202001179rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 02/26/2021] [Accepted: 03/15/2021] [Indexed: 11/11/2022]
Abstract
Glomerular hypertension induces mechanical load to podocytes, often resulting in podocyte detachment and the development of glomerulosclerosis. Although it is well known that podocytes are mechanosensitive, the mechanosensors and mechanotransducers are still unknown. Since filamin A, an actin-binding protein, is already described to be a mechanosensor and mechanotransducer, we hypothesized that filamins could be important for the outside-in signaling as well as the actin cytoskeleton of podocytes under mechanical stress. In this study, we demonstrate that filamin A is the main isoform of the filamin family that is expressed in cultured podocytes. Together with filamin B, filamin A was significantly up-regulated during mechanical stretch (3 days, 0.5 Hz, and 5% extension). To study the role of filamin A in cultured podocytes under mechanical stress, filamin A was knocked down (Flna KD) by specific siRNA. Additionally, we established a filamin A knockout podocyte cell line (Flna KO) by CRISPR/Cas9. Knockdown and knockout of filamin A influenced the expression of synaptopodin, a podocyte-specific protein, focal adhesions as well as the morphology of the actin cytoskeleton. Moreover, the cell motility of Flna KO podocytes was significantly increased. Since the knockout of filamin A has had no effect on cell adhesion of podocytes during mechanical stress, we simultaneously knocked down the expression of filamin A and B. Thereby, we observed a significant loss of podocytes during mechanical stress indicating a compensatory mechanism. Analyzing hypertensive mice kidneys as well as biopsies of patients suffering from diabetic nephropathy, we found an up-regulation of filamin A in podocytes in contrast to the control. In summary, filamin A and B mediate matrix-actin cytoskeleton interactions which are essential for the adaptation of cultured podocyte to mechanical stress.
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Affiliation(s)
- Jonas K Greiten
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Felix Kliewe
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Annabel Schnarre
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Nadine Artelt
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Sindy Schröder
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Henrik Rogge
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Kerstin Amann
- Department of Nephropathology, Friedrich-Alexander University (FAU) Erlangen-Nuremberg, Erlangen, Germany
| | - Christoph Daniel
- Department of Nephropathology, Friedrich-Alexander University (FAU) Erlangen-Nuremberg, Erlangen, Germany
| | - Maja T Lindenmeyer
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Clemens D Cohen
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Karlhans Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Nicole Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
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22
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Ketebo AA, Park C, Kim J, Jun M, Park S. Probing mechanobiological role of filamin A in migration and invasion of human U87 glioblastoma cells using submicron soft pillars. NANO CONVERGENCE 2021; 8:19. [PMID: 34213679 PMCID: PMC8253861 DOI: 10.1186/s40580-021-00267-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/21/2021] [Indexed: 05/21/2023]
Abstract
Filamin A (FLNa) belongs to an actin-binding protein family in binding and cross-linking actin filaments into a three-dimensional structure. However, little attention has been given to its mechanobiological role in cancer cells. Here, we quantitatively investigated the role of FLNa by analyzing the following parameters in negative control (NC) and FLNa-knockdown (KD) U87 glioma cells using submicron pillars (900 nm diameter and 2 μm height): traction force (TF), rigidity sensing ability, cell aspect ratio, migration speed, and invasiveness. During the initial phase of cell adhesion (< 1 h), FLNa-KD cells polarized more slowly than did NC cells, which can be explained by the loss of rigidity sensing in FLNa-KD cells. The higher motility of FLNa-KD cells relative to NC cells can be explained by the high TF exerted by FLNa-KD cells when compared to NC cells, while the higher invasiveness of FLNa-KD cells relative to NC cells can be explained by a greater number of filopodia in FLNa-KD cells than in NC cells. Our results suggest that FLNa plays important roles in suppressing motility and invasiveness of U87 cells.
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Affiliation(s)
- Abdurazak Aman Ketebo
- Department of Mechanical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea
| | - Chanyong Park
- Department of Mechanical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea
| | - Jaewon Kim
- Department of Mechanical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea
| | - Myeongjun Jun
- Department of Mechanical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea
| | - Sungsu Park
- Department of Mechanical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea.
- Department of Biomedical Engineering, Sungkyunkwan University (SKKU), 16419, Suwon, Korea.
- Institute of Quantum Biophysics (IQB), Sungkyunkwan University (SKKU), 16419, Suwon, Korea.
- School of Mechanical Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, 16419, Suwon, Korea.
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23
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Tijore A, Yao M, Wang YH, Hariharan A, Nematbakhsh Y, Lee Doss B, Lim CT, Sheetz M. Selective killing of transformed cells by mechanical stretch. Biomaterials 2021; 275:120866. [PMID: 34044258 DOI: 10.1016/j.biomaterials.2021.120866] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/13/2021] [Accepted: 04/30/2021] [Indexed: 12/12/2022]
Abstract
Cancer cells differ from normal cells in several important features like anchorage independence, Warburg effect and mechanosensing. Further, in recent studies, they respond aberrantly to external mechanical distortion. Consistent with altered mechano-responsiveness, we find that cyclic stretching of tumor cells from many different tissues reduces growth rate and causes apoptosis on soft surfaces. Surprisingly, normal cells behave similarly when transformed by depletion of the rigidity sensor protein (Tropomyosin 2.1). Restoration of rigidity sensing in tumor cells promotes rigidity dependent mechanical behavior, i.e. cyclic stretching enhances growth and reduces apoptosis on soft surfaces. The mechanism of mechanical apoptosis (mechanoptosis) of transformed cells involves calcium influx through the mechanosensitive channel, Piezo1 that activates calpain 2 dependent apoptosis through the BAX molecule and subsequent mitochondrial activation of caspase 3 on both fibronetin and collagen matrices. Thus, it is possible to selectively kill tumor cells by mechanical perturbations, while stimulating the growth of normal cells.
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Affiliation(s)
- Ajay Tijore
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Mingxi Yao
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Yu-Hsiu Wang
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Anushya Hariharan
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Yasaman Nematbakhsh
- Department of Biomedical Engineering, National University of Singapore, 117575, Singapore
| | - Bryant Lee Doss
- Mechanobiology Institute, National University of Singapore, 117411, Singapore
| | - Chwee Teck Lim
- Mechanobiology Institute, National University of Singapore, 117411, Singapore; Department of Biomedical Engineering, National University of Singapore, 117575, Singapore; Institute for Health Innovation and Technology, National University of Singapore, 117599, Singapore
| | - Michael Sheetz
- Mechanobiology Institute, National University of Singapore, 117411, Singapore; Molecular Mechanomedicine Program, Biochemistry and Molecular Biology Department, University of Texas Medical Branch, Galveston, TX, USA.
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24
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Zhu Y, Xu W, Hu W, Wang F, Zhou Y, Xu J, Gong W. Discovery and validation of novel protein markers in mucosa of portal hypertensive gastropathy. BMC Gastroenterol 2021; 21:214. [PMID: 33971821 PMCID: PMC8111717 DOI: 10.1186/s12876-021-01787-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/22/2021] [Indexed: 11/10/2022] Open
Abstract
Background Portal hypertension induced esophageal and gastric variceal bleeding is the main cause of death among patients of decompensated liver cirrhosis. Therefore, a standardized, biomarker-based test, to make an early-stage non-invasive risk assessment of portal hypertension, is highly desirable. However, no fit-for-purpose biomarkers have yet been identified. Methods We conducted a pilot study consisting of 5 portal hypertensive gastropathy (PHG) patients and 5 normal controls, sampling the gastric mucosa of normal controls and PHG patients before and after endoscopic cyanoacrylate injection, using label-free quantitative (LFQ) mass spectrometry, to identify potential biomarker candidates in gastric mucosa from PHG patients and normal controls. Then we further used parallel reaction monitoring (PRM) to verify the abundance of the targeted protein. Results LFQ analyses identified 423 significantly differentially expressed proteins. 17 proteins that significantly elevated in the gastric mucosa of PHG patients were further validated using PRM. Conclusions This is the first application of an LFQ-PRM workflow to identify and validate PHG–specific biomarkers in patient gastric mucosa samples. Our findings lay the foundation for comprehending the molecular mechanisms of PHG pathogenesis, and provide potential applications for useful biomarkers in early diagnosis and treatment. Trial registration and ethics approval: Trial registration was completed (ChiCTR2000029840) on February 25, 2020. Ethics Approvals were completed on July 17, 2017 (NYSZYYEC20180003) and February 15, 2020 (NYSZYYEC20200005). Supplementary Information The online version contains supplementary material available at 10.1186/s12876-021-01787-5.
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Affiliation(s)
- Ying Zhu
- Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China
| | - Wen Xu
- Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China
| | - Wei Hu
- Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China
| | - Fang Wang
- Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China
| | - Yan Zhou
- Information Management Section, Bethune International Peace Hospital, Shijiazhuang City, Hebei Province, China
| | - Jianguo Xu
- Department of Liver Disease Center, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China.
| | - Wei Gong
- Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen, 518000, Guangdong, China.
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25
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Li P, Zhu K, Mo Y, Deng X, Jiang X, Shi L, Guo C, Zhang W, Zeng Z, Li G, Xiong W, Zhang S, Gong Z. Research Progress of circRNAs in Head and Neck Cancers. Front Oncol 2021; 11:616202. [PMID: 33996542 PMCID: PMC8117014 DOI: 10.3389/fonc.2021.616202] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 04/07/2021] [Indexed: 12/13/2022] Open
Abstract
Circular RNAs (circRNAs) are a novel type of non-coding RNAs. Because of their characteristics of a closed loop structure, disease- and tissue-specificity, and high conservation and stability, circRNAs have the potential to be biomarkers for disease diagnosis. Head and neck cancers are one of the most common malignant tumors with high incidence rates globally. Affected patients are often diagnosed at the advanced stage with poor prognosis, owing to the concealment of anatomic sites. The characteristics, functions, and specific mechanisms of circRNAs in head and neck cancers are increasingly being discovered, and they have important clinical significance for the early diagnosis, treatment, and prognosis evaluation of patients with cancer. In this study, the generation, characteristics, and functions of circRNAs, along with their regulatory mechanisms in head and neck cancers have been summarized. We report that circRNAs interact with molecules such as transcription and growth factors to influence specific pathways involved in tumorigenesis. We conclude that circRNAs have an important role to play in the proliferation, invasion, metastasis, energy and substance metabolism, and treatment resistance in cancers.
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Affiliation(s)
- Panchun Li
- Department of Oral and Maxillofacial Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Kunjie Zhu
- Department of Head and Neck Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Yongzhen Mo
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Xiangying Deng
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Xianjie Jiang
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Lei Shi
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Can Guo
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Wenling Zhang
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Guiyuan Li
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Shanshan Zhang
- Department of Stomatology, The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
| | - Zhaojian Gong
- Department of Oral and Maxillofacial Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
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26
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Zhou J, Kang X, An H, Lv Y, Liu X. The function and pathogenic mechanism of filamin A. Gene 2021; 784:145575. [PMID: 33737122 DOI: 10.1016/j.gene.2021.145575] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 12/13/2022]
Abstract
Filamin A(FLNa) is an actin-binding protein, which participates in the formation of the cytoskeleton, anchors a variety of proteins in the cytoskeleton and regulates cell adhesion and migration. It is involved in signal transduction, cell proliferation and differentiation, pseudopodia formation, vesicle transport, tumor resistance and genetic diseases by binding with interacting proteins. In order to fully elucidate the structure, function and pathogenesis of FLNa, we summarized all substances which directly or indirectly act on FLNa so far, upstream and downstream targets which having effect on it, signaling pathways and their functions. It also recorded the expression and effect of FLNa in different diseases, including hereditary disease and tumors.
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Affiliation(s)
- Jie Zhou
- Department of Oncology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361000, Fujian, China.
| | - Xinmei Kang
- Department of Oncology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361000, Fujian, China.
| | - Hanxiang An
- Department of Oncology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361000, Fujian, China.
| | - Yun Lv
- Department of Oncology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361000, Fujian, China.
| | - Xin Liu
- Department of Oncology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361000, Fujian, China.
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27
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Rainone P, De Palma A, Sudati F, Roffia V, Rigamonti V, Salvioni L, Colombo M, Ripamonti M, Spinelli AE, Mazza D, Mauri P, Moresco RM, Prosperi D, Belloli S. 99mTc-Radiolabeled Silica Nanocarriers for Targeted Detection and Treatment of HER2-Positive Breast Cancer. Int J Nanomedicine 2021; 16:1943-1960. [PMID: 33727808 PMCID: PMC7954038 DOI: 10.2147/ijn.s276033] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 10/24/2020] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION The overexpression of Human Epidermal Growth Factor Receptor 2 (HER2) is usually associated with aggressive and infiltrating breast cancer (BC) phenotype, and metastases. Functionalized silica-based nanocarriers (SiNPs) can be labeled for in vivo imaging applications and loaded with chemotherapy drugs, making possible the simultaneous noninvasive diagnosis and treatment (theranostic) for HER2-positive BC. METHODS Firstly, FITC-filled SiNPs, were engineered with two different amounts of Hc-TZ (trastuzumab half-chain) per single nanoparticle (1:2 and 1:8, SiNPs to Hc-TZ ratio), which was 99mTc-radiolabeled at histidine residues for ex vivo and in vivo biodistribution evaluations. Secondly, nanoparticles were loaded with DOX and their in vitro and ex vivo/in vivo delivery was assessed, in comparison with liposomal Doxorubicin (Caelyx). Finally, the treatment efficacy of DOX-SiNPs-TZ (1:8 Hc-TZ) was evaluated in vivo by PET and supported by MS-based proteomics profiling of tumors. RESULTS SiNPs-TZ (1:8 Hc-TZ) tumor uptake was significantly greater than that of SiNPs-TZ (1:2 Hc-TZ) at 6 hours post-injection (p.i.) in ex vivo biodistribution experiment. At 24 h p.i., radioactivity values remained steady. Fluorescence microscopy, confirmed the presence of radiolabeled SiNPs-TZ (1:8 Hc-TZ) within tumor even at later times. SiNPs-TZ (1:8 Hc-TZ) nanoparticles loaded with Doxorubicin (DOX-SiNPs-TZ) showed a similar DOX delivery capability than Caelyx (at 6 h p.i.), in in vitro and ex vivo assays. Nevertheless, at the end of treatment, tumor volume was significantly reduced by DOX-SiNPs-TZ (1:8 Hc-TZ), compared to Caelyx and DOX-SiNPs treatment. Proteomics study identified 88 high stringent differentially expressed proteins comparing the three treatment groups with controls. CONCLUSION These findings demonstrated a promising detection specificity and treatment efficacy for our system (SiNPs-TZ, 1:8 Hc-TZ), encouraging its potential use as a new theranostic agent for HER2-positive BC lesions. In addition, proteomic profile confirmed that a set of proteins, related to tumor aggressiveness, were positively affected by targeted nanoparticles.
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Affiliation(s)
- Paolo Rainone
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, 20900, Italy
- Institute of Molecular Bioimaging and Physiology of CNR, Segrate, 20090, Italy
- Doctorate School of Molecular and Translational Medicine, University of Milan, Milan, Italy
| | | | - Francesco Sudati
- PET and Nuclear Medicine Unit, San Raffaele Scientific Institute, Milan, 20132, Italy
| | - Valentina Roffia
- Institute of Biomedical Technologies of CNR, Segrate, 20090, Italy
| | - Valentina Rigamonti
- NanoBioLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, 20126, Italy
| | - Lucia Salvioni
- NanoBioLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, 20126, Italy
| | - Miriam Colombo
- NanoBioLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, 20126, Italy
| | - Marilena Ripamonti
- Institute of Molecular Bioimaging and Physiology of CNR, Segrate, 20090, Italy
| | | | - Davide Mazza
- Experimental Imaging Center, San Raffaele Scientific Institute, Milan, 20132, Italy
| | - Pierluigi Mauri
- Institute of Biomedical Technologies of CNR, Segrate, 20090, Italy
| | - Rosa Maria Moresco
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, 20900, Italy
- Institute of Molecular Bioimaging and Physiology of CNR, Segrate, 20090, Italy
- Experimental Imaging Center, San Raffaele Scientific Institute, Milan, 20132, Italy
| | - Davide Prosperi
- NanoBioLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, 20126, Italy
| | - Sara Belloli
- Institute of Molecular Bioimaging and Physiology of CNR, Segrate, 20090, Italy
- Experimental Imaging Center, San Raffaele Scientific Institute, Milan, 20132, Italy
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Xia H, Feng L, Lin L, Jiang Z, Chen J, Shi W, Ying S, Yu M, Ju L, Zhu L, Shi L, Zhang X, Lou J. Exploration of identifying novel serum biomarkers for malignant mesothelioma using iTRAQ combined with 2D-LC-MS/MS. ENVIRONMENTAL RESEARCH 2021; 193:110467. [PMID: 33197421 DOI: 10.1016/j.envres.2020.110467] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 09/16/2020] [Accepted: 11/09/2020] [Indexed: 06/11/2023]
Abstract
Malignant mesothelioma (MM) is an aggressive cancer linked to asbestos exposure. Its poor prognosis makes early diagnosis extremely important, which would provide an opportunity for early treatment and potentially changing outcomes. This study aimed to explore the underlying mechanisms of MM and discover novel noninvasive biomarkers for the diagnosis of malignant mesothelioma. Using Isobaric tags for relative and absolute quantitation (iTRAQ) combined with two-dimensional liquid chromatography/tandem mass spectrometry (2D LC-MS/MS), a total of 145 differentially expressed serum proteins were identified between MM patients and healthy controls. The identified proteins were further analyzed by bioinformatics, out of which three candidate biomarkers (Filamin A (FLNA), Fibulin 1 (FBLN1) and Thrombospondin-1 (TSP-1)) were validated in large cohorts of patients with asbestos-related diseases including MM patients by ELISA assay. Receiver operating characteristic (ROC) curve analysis showed that serum FLNA, FBLN1 and TSP-1 had high diagnostic values in distinguishing MM patients from healthy controls, individuals with asbestos exposure (AE), and patients with pleural plaques (PP) or asbestosis. Meanwhile, serum FBLN1 and TSP-1 possessed good diagnostic values in distinguishing asbestosis patients from healthy controls and individuals with AE. The combination of FLNA, FBLN1, and TSP-1 proteins had higher sensitivity and specificity in discriminating patients with MM, PP and asbestosis. Our findings indicated that analysis of serum proteome using iTRAQ is a feasible strategy for biomarker discovery, and serum FLNA, FBLN1 and TSP-1 may be promising candidates for diagnosis of malignant mesothelioma and screening of at-risk individuals.
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Affiliation(s)
- Hailing Xia
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Lingfang Feng
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Lijun Lin
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Zhaoqiang Jiang
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Junqiang Chen
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Wei Shi
- Department of Surgery, Children's Hospital Los Angeles, Keck School of Medicine of the University of Southern California, Los Angeles, CA, 90027, USA
| | - Shibo Ying
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Min Yu
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Li Ju
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Lijin Zhu
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Li Shi
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Xing Zhang
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China
| | - Jianlin Lou
- Institute of Occupation Diseases, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, 310013, Zhejiang, China.
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da Silva SD, Marchi FA, Su J, Yang L, Valverde L, Hier J, Bijian K, Hier M, Mlynarek A, Kowalski LP, Alaoui-Jamali MA. Co-Overexpression of TWIST1-CSF1 Is a Common Event in Metastatic Oral Cancer and Drives Biologically Aggressive Phenotype. Cancers (Basel) 2021; 13:cancers13010153. [PMID: 33466385 PMCID: PMC7795342 DOI: 10.3390/cancers13010153] [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: 11/11/2020] [Revised: 12/11/2020] [Accepted: 12/18/2020] [Indexed: 12/24/2022] Open
Abstract
Invasive oral squamous cell carcinoma (OSCC) is often ulcerated and heavily infiltrated by pro-inflammatory cells. We conducted a genome-wide profiling of tissues from OSCC patients (early versus advanced stages) with 10 years follow-up. Co-amplification and co-overexpression of TWIST1, a transcriptional activator of epithelial-mesenchymal-transition (EMT), and colony-stimulating factor-1 (CSF1), a major chemotactic agent for tumor-associated macrophages (TAMs), were observed in metastatic OSCC cases. The overexpression of these markers strongly predicted poor patient survival (log-rank test, p = 0.0035 and p = 0.0219). Protein analysis confirmed the enhanced expression of TWIST1 and CSF1 in metastatic tissues. In preclinical models using OSCC cell lines, macrophages, and an in vivo matrigel plug assay, we demonstrated that TWIST1 gene overexpression induces the activation of CSF1 while TWIST1 gene silencing down-regulates CSF1 preventing OSCC invasion. Furthermore, excessive macrophage activation and polarization was observed in co-culture system involving OSCC cells overexpressing TWIST1. In summary, this study provides insight into the cooperation between TWIST1 transcription factor and CSF1 to promote OSCC invasiveness and opens up the potential therapeutic utility of currently developed antibodies and small molecules targeting cancer-associated macrophages.
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Affiliation(s)
- Sabrina Daniela da Silva
- Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC H3T 1E2, Canada; (L.V.); (J.H.); (M.H.); (A.M.)
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC H3T 1E2, Canada; (J.S.); (K.B.)
- Correspondence: or (S.D.d.S.); (M.A.A.-J.); Tel.: +1-514-340-8222 (S.D.d.S.)
| | - Fabio Albuquerque Marchi
- Department of Head and Neck Surgery and Otorhinolaryngology, AC Camargo Cancer Center and National Institute of Science and Technology on Oncogenomics (INCITO), São Paulo 01509-010, Brazil; (F.A.M.); (L.P.K.)
| | - Jie Su
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC H3T 1E2, Canada; (J.S.); (K.B.)
| | - Long Yang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
| | - Ludmila Valverde
- Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC H3T 1E2, Canada; (L.V.); (J.H.); (M.H.); (A.M.)
| | - Jessica Hier
- Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC H3T 1E2, Canada; (L.V.); (J.H.); (M.H.); (A.M.)
| | - Krikor Bijian
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC H3T 1E2, Canada; (J.S.); (K.B.)
| | - Michael Hier
- Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC H3T 1E2, Canada; (L.V.); (J.H.); (M.H.); (A.M.)
| | - Alex Mlynarek
- Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC H3T 1E2, Canada; (L.V.); (J.H.); (M.H.); (A.M.)
| | - Luiz Paulo Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, AC Camargo Cancer Center and National Institute of Science and Technology on Oncogenomics (INCITO), São Paulo 01509-010, Brazil; (F.A.M.); (L.P.K.)
| | - Moulay A. Alaoui-Jamali
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, QC H3T 1E2, Canada; (J.S.); (K.B.)
- Correspondence: or (S.D.d.S.); (M.A.A.-J.); Tel.: +1-514-340-8222 (S.D.d.S.)
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Ouban A. Filamin-A expression in triple-negative breast cancer and its clinical significance. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2021.1985611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Abderrahman Ouban
- Department of Pathology, College of Medicine, Alfaisal University, Riyadh, Kingdom of Saudi Arabia
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31
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Joshua LM, Huda F, Rao S, Ravi B. Clinicopathological significance of immunohistochemical expression of Filamin A in breast cancer. J Carcinog 2020; 19:13. [PMID: 33679243 PMCID: PMC7921776 DOI: 10.4103/jcar.jcar_9_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/17/2020] [Accepted: 08/30/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Filamin A is an actin-crosslinking protein expressed in many malignancies, although its prognostic and therapeutic role in breast cancer is not studied. There is enigma regarding its dual role in cancer, the tumor-progressing or tumor-suppressing effects depending on the site to which it localizes in the cell. The current study aimed to detect Filamin A expression in breast cancer and its association with other biomarkers and other clinicopathological parameters and established risk factors in breast cancer so that it can be a potential site for targeted therapy. MATERIALS AND METHODS One hundred female patients of histologically proven breast cancer who presented to our hospital over a 2-year period were included in the study. None of the patients received prior radiotherapy, chemotherapy, or immunotherapy. Patients with recurrent breast cancer are not included in the study. All study cases are subjected to immunohistochemistry for estrogen receptor, progesterone receptor, Her2 neu, and ki-67 from core biopsy tissue of cases diagnosed as breast carcinoma. Tissue sections were subjected to immunohistochemistry with anti-Filamin A. RESULTS Filamin A is expressed in 69% of cases of invasive breast cancer in our study. There was no statistically significant relationship of Filamin A immunoexpression with histological grade, age, parity, oral contraceptive use, smokeless tobacco use, TNM staging, clinical staging, clinical prognostic staging, and also ER, PR, Her2 neu, and ki-67 status (P > 0.05). Thus, it appears to be an independent biomarker in breast carcinoma. Filamin A was expressed only in the cytoplasm in all our study cases. Filamin A expression can be observed in adjacent normal breast tissue and benign fibroadenoma tissues also, but the pattern of expression is mainly membranous with cytoplasmic positivity. The cytoplasmic expression is seen in malignant cells as well as normal breast and benign tumor sections implicating the dual role of Filamin A in breast cancer. CONCLUSION No significant correlation could be found between Filamin A expression and clinicopathological parameters in our study. The cytoplasmic expression is seen in malignant cells as well as normal breast and benign tumor sections implicating the dual role of Filamin A in breast cancer. Filamin A immunoexpression should be further correlated with metastasis-free survival period of breast cancer patients.
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Affiliation(s)
- Lokavarapu Manoj Joshua
- Department of Surgery, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Farhanul Huda
- Department of Surgery, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Shalinee Rao
- Department of Pathology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Bina Ravi
- Department of Surgery, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
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Welter H, Herrmann C, Fröhlich T, Flenkenthaler F, Eubler K, Schorle H, Nettersheim D, Mayerhofer A, Müller-Taubenberger A. Filamin A Orchestrates Cytoskeletal Structure, Cell Migration and Stem Cell Characteristics in Human Seminoma TCam-2 Cells. Cells 2020; 9:E2563. [PMID: 33266100 PMCID: PMC7761120 DOI: 10.3390/cells9122563] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/19/2020] [Accepted: 11/26/2020] [Indexed: 12/16/2022] Open
Abstract
Filamins are large dimeric F-actin cross-linking proteins, crucial for the mechanosensitive properties of a number of cell types. Due to their interaction with a variety of different proteins, they exert important regulatory functions. However, in the human testis the role of filamins has been insufficiently explored. Immunohistochemical staining of human testis samples identified filamin A (FLNA) in spermatogonia and peritubular myoid cells. Investigation of different testicular tumor samples indicated that seminoma also express FLNA. Moreover, mass spectrometric analyses identified FLNA as one of the most abundant proteins in human seminoma TCam-2 cells. We therefore focused on FLNA in TCam-2 cells, and identified by co-immunoprecipitation LAD1, RUVBL1 and DAZAP1, in addition to several cytoskeletal proteins, as interactors of FLNA. To study the role of FLNA in TCam-2 cells, we generated FLNA-deficient cells using the CRISPR/Cas9 system. Loss of FLNA causes an irregular arrangement of the actin cytoskeleton and mechanical instability, impaired adhesive properties and disturbed migratory behavior. Furthermore, transcriptional activity of typical stem cell factors is increased in the absence of FLNA. In summary, our data suggest that FLNA is crucially involved in balancing stem cell characteristics and invasive properties in human seminoma cells and possibly human testicular germ cells.
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Affiliation(s)
- Harald Welter
- Anatomy III, Cell Biology, Biomedical Center, Ludwig Maximillian University of Munich, 82152 Planegg, Martinsried, Germany; (H.W.); (C.H.); (K.E.); (A.M.-T.)
| | - Carola Herrmann
- Anatomy III, Cell Biology, Biomedical Center, Ludwig Maximillian University of Munich, 82152 Planegg, Martinsried, Germany; (H.W.); (C.H.); (K.E.); (A.M.-T.)
| | - Thomas Fröhlich
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig Maximilian University of Munich, 81377 Munich, Germany; (T.F.); (F.F.)
| | - Florian Flenkenthaler
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig Maximilian University of Munich, 81377 Munich, Germany; (T.F.); (F.F.)
| | - Katja Eubler
- Anatomy III, Cell Biology, Biomedical Center, Ludwig Maximillian University of Munich, 82152 Planegg, Martinsried, Germany; (H.W.); (C.H.); (K.E.); (A.M.-T.)
| | - Hubert Schorle
- Department of Developmental Pathology, Institute of Pathology, University Hospital Bonn, 53127 Bonn, Germany;
| | - Daniel Nettersheim
- Department of Urology, Urological Research Lab, Translational UroOncology, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Artur Mayerhofer
- Anatomy III, Cell Biology, Biomedical Center, Ludwig Maximillian University of Munich, 82152 Planegg, Martinsried, Germany; (H.W.); (C.H.); (K.E.); (A.M.-T.)
| | - Annette Müller-Taubenberger
- Anatomy III, Cell Biology, Biomedical Center, Ludwig Maximillian University of Munich, 82152 Planegg, Martinsried, Germany; (H.W.); (C.H.); (K.E.); (A.M.-T.)
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Parajón E, Surcel A, Robinson DN. The mechanobiome: a goldmine for cancer therapeutics. Am J Physiol Cell Physiol 2020; 320:C306-C323. [PMID: 33175572 DOI: 10.1152/ajpcell.00409.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cancer progression is dependent on heightened mechanical adaptation, both for the cells' ability to change shape and to interact with varying mechanical environments. This type of adaptation is dependent on mechanoresponsive proteins that sense and respond to mechanical stress, as well as their regulators. Mechanoresponsive proteins are part of the mechanobiome, which is the larger network that constitutes the cell's mechanical systems that are also highly integrated with many other cellular systems, such as gene expression, metabolism, and signaling. Despite the altered expression patterns of key mechanobiome proteins across many different cancer types, pharmaceutical targeting of these proteins has been overlooked. Here, we review the biochemistry of key mechanoresponsive proteins, specifically nonmuscle myosin II, α-actinins, and filamins, as well as the partnering proteins 14-3-3 and CLP36. We also examined a wide range of data sets to assess how gene and protein expression levels of these proteins are altered across many different cancer types. Finally, we determined the potential of targeting these proteins to mitigate invasion or metastasis and suggest that the mechanobiome is a goldmine of opportunity for anticancer drug discovery and development.
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Affiliation(s)
- Eleana Parajón
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Alexandra Surcel
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Douglas N Robinson
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Chemical and Biomolecular Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Abstract
Simple Summary Cell migration is an essential process from embryogenesis to cell death. This is tightly regulated by numerous proteins that help in proper functioning of the cell. In diseases like cancer, this process is deregulated and helps in the dissemination of tumor cells from the primary site to secondary sites initiating the process of metastasis. For metastasis to be efficient, cytoskeletal components like actin, myosin, and intermediate filaments and their associated proteins should co-ordinate in an orderly fashion leading to the formation of many cellular protrusions-like lamellipodia and filopodia and invadopodia. Knowledge of this process is the key to control metastasis of cancer cells that leads to death in 90% of the patients. The focus of this review is giving an overall understanding of these process, concentrating on the changes in protein association and regulation and how the tumor cells use it to their advantage. Since the expression of cytoskeletal proteins can be directly related to the degree of malignancy, knowledge about these proteins will provide powerful tools to improve both cancer prognosis and treatment. Abstract Successful metastasis depends on cell invasion, migration, host immune escape, extravasation, and angiogenesis. The process of cell invasion and migration relies on the dynamic changes taking place in the cytoskeletal components; actin, tubulin and intermediate filaments. This is possible due to the plasticity of the cytoskeleton and coordinated action of all the three, is crucial for the process of metastasis from the primary site. Changes in cellular architecture by internal clues will affect the cell functions leading to the formation of different protrusions like lamellipodia, filopodia, and invadopodia that help in cell migration eventually leading to metastasis, which is life threatening than the formation of neoplasms. Understanding the signaling mechanisms involved, will give a better insight of the changes during metastasis, which will eventually help targeting proteins for treatment resulting in reduced mortality and longer survival.
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Abstract
Targeted cancer therapy aims to achieve specific elimination of cancerous but not normal cells. Recently, PIWI proteins, a subfamily of the PAZ-PIWI domain (PPD) protein family, have emerged as promising candidates for targeted cancer therapy. PPD proteins are essential for small noncoding RNA pathways. The Argonaute subfamily partners with microRNA and small interfering RNA, whereas the PIWI subfamily partners with PIWI-interacting RNA (piRNA). Both PIWI proteins and piRNA are mostly expressed in the germline and best known for their function in transposon silencing, with no detectable function in mammalian somatic tissues. However, PIWI proteins become aberrantly expressed in multiple types of somatic cancers, thus gaining interest in targeted therapy. Despite this, little is known about the regulatory mechanism of PIWI proteins in cancer. Here we report that one of the four PIWI proteins in humans, PIWIL1, is highly expressed in gastric cancer tissues and cell lines. Knocking out the PIWIL1 gene (PIWIL1-KO) drastically reduces gastric cancer cell proliferation, migration, metastasis, and tumorigenesis. RNA deep sequencing of gastric cancer cell line SNU-1 reveals that KO significantly changes the transcriptome, causing the up-regulation of most of its associated transcripts. Surprisingly, few bona fide piRNAs exist in gastric cancer cells. Furthermore, abolishing the piRNA-binding activity of PIWIL1 does not affect its oncogenic function. Thus, PIWIL1 function in gastric cancer cells is independent of piRNA. This piRNA-independent regulation involves interaction with the UPF1-mediated nonsense-mediated mRNA decay (NMD) mechanism. Altogether, our findings reveal a piRNA-independent function of PIWIL1 in promoting gastric cancer.
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Galardi A, Colletti M, Lavarello C, Di Paolo V, Mascio P, Russo I, Cozza R, Romanzo A, Valente P, De Vito R, Pascucci L, Peinado H, Carcaboso AM, Petretto A, Locatelli F, Di Giannatale A. Proteomic Profiling of Retinoblastoma-Derived Exosomes Reveals Potential Biomarkers of Vitreous Seeding. Cancers (Basel) 2020; 12:cancers12061555. [PMID: 32545553 PMCID: PMC7352325 DOI: 10.3390/cancers12061555] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/04/2020] [Accepted: 06/07/2020] [Indexed: 12/13/2022] Open
Abstract
Retinoblastoma (RB) is the most common tumor of the eye in early childhood. Although recent advances in conservative treatment have greatly improved the visual outcome, local tumor control remains difficult in the presence of massive vitreous seeding. Traditional biopsy has long been considered unsafe in RB, due to the risk of extraocular spread. Thus, the identification of new biomarkers is crucial to design safer diagnostic and more effective therapeutic approaches. Exosomes, membrane-derived nanovesicles that are secreted abundantly by aggressive tumor cells and that can be isolated from several biological fluids, represent an interesting alternative for the detection of tumor-associated biomarkers. In this study, we defined the protein signature of exosomes released by RB tumors (RBT) and vitreous seeding (RBVS) primary cell lines by high resolution mass spectrometry. A total of 5666 proteins were identified. Among these, 5223 and 3637 were expressed in exosomes RBT and one RBVS group, respectively. Gene enrichment analysis of exclusively and differentially expressed proteins and network analysis identified in RBVS exosomes upregulated proteins specifically related to invasion and metastasis, such as proteins involved in extracellular matrix (ECM) remodeling and interaction, resistance to anoikis and the metabolism/catabolism of glucose and amino acids.
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Affiliation(s)
- Angela Galardi
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Marta Colletti
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
- Correspondence: ; Tel.: +39-066859-3516
| | - Chiara Lavarello
- Core Facilities-Clinical Proteomics and Metabolomics, IRCCS, Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (C.L.); (A.P.)
| | - Virginia Di Paolo
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Paolo Mascio
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Ida Russo
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Raffaele Cozza
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Antonino Romanzo
- Ophtalmology Unit, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’ Onofrio 4, 00165 Rome, Italy; (A.R.); (P.V.)
| | - Paola Valente
- Ophtalmology Unit, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’ Onofrio 4, 00165 Rome, Italy; (A.R.); (P.V.)
| | - Rita De Vito
- Department of Pathology, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza di Sant’ Onofrio 4, 00165 Rome, Italy;
| | - Luisa Pascucci
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy;
| | - Hector Peinado
- Microenvironment & Metastasis Group, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), C/Melchor Fernández Almagro 3, 28029 Madrid, Spain;
| | - Angel M. Carcaboso
- Pediatric Hematology and Oncology, Hospital Sant Joan de Deu, Institut de Recerca Sant Joan de Deu, Barcelona, 08950 Esplugues de Llobregat, Spain;
| | - Andrea Petretto
- Core Facilities-Clinical Proteomics and Metabolomics, IRCCS, Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (C.L.); (A.P.)
| | - Franco Locatelli
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
- Department of Ginecology/Obstetrics & Pediatrics, Sapienza University of Rome, 00185 Roma, Italy
| | - Angela Di Giannatale
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
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Calpain suppresses cell growth and invasion of glioblastoma multiforme by producing the cleavage of filamin A. Int J Clin Oncol 2020; 25:1055-1066. [PMID: 32103382 DOI: 10.1007/s10147-020-01636-7] [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: 10/10/2019] [Accepted: 02/12/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Filamin A is the most widely expressed isoform of filamin in mammalian tissues. It can be hydrolyzed by Calpain, producing a 90-kDa carboxyl-terminal fragment (ABP90). Calpeptin is a chemical inhibitor of Calpain, which can inhibit this effect. It has been shown that ABP90 acts as a transcription factor which is involved in mediating cell signaling. However, the significance of ABP90 and its clinical signature with underlying mechanisms have not been well studied in glioblastoma multiforme (GBM). METHODS ABP90 protein was measured in 36 glioma patients by Western blot. Human GBM cell lines U87 and A172 were used to clarify the precise role of ABP90. CCK-8 assay was used to analyze the cell viability. Transwell invasion assay and wound healing assay were used to analyze the migration and invasion. Expression of matrix metalloproteinase 2/tissue inhibitors of metalloproteinase 2 (MMP2/TIMP2) protein was analyzed by Western blot. RESULTS ABP90 protein expression was lower in GBM tissues. The patients with low ABP90 protein expression had a shorter OS time (p = 0.046). After being treated with Calpain, the expression of ABP90 was upregulated, which led to a decline of cell viability, enhanced the efficacy of temozolomide and restrained the cell invasion. Calpeptin could inhibit the effect. The mechanism might be involved in the balance of MMP2/TIMP2. CONCLUSIONS Our present data suggest that ABP90 expression is a significant prognostic factor and may play an important role in cell viability, chemotherapeutic sensitivity and invasion of GBM.
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Cheng M, Jiang Y, Yang H, Zhao D, Li L, Liu X. FLNA promotes chemoresistance of colorectal cancer through inducing epithelial-mesenchymal transition and smad2 signaling pathway. Am J Cancer Res 2020; 10:403-423. [PMID: 32195017 PMCID: PMC7061762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 01/17/2020] [Indexed: 06/10/2023] Open
Abstract
Chemoresistance is a leading cause of tumor relapse and treatment failure in colorectal cancer (CRC) patients and is correlated with epithelial-mesenchymal transition (EMT). This study was aimed to explore the mechanism of EMT in chemoresistant CRC. Bioinformatic method was used to screen differentially expressed genes between 5-FU sensitive and resistant CRC cells. Immunohistochemistry staining was utilized to analyze the expression of FLNA in CRC tissues. The roles of FLNA in chemoresistance were validated via loss-of-function and gain-of-function experiments in vitro and in an orthotopic CRC animal model. The regulation of c-Met signaling by FLNA was explored via Co-Immunoprecipitation and luciferase reporter assays. Our results suggested FLNA directly regulated the metastasis and EMT of chemoresistant CRC cells. Moreover, c-Met-AKT mediated ser2152 phosphorylation of FLNA was demonstrated to be correlated with EMT. In turn, FLNA enhanced c-Met promoter activity by its interaction with smad2. Clinically, the expression of FLNA was significantly associated with c-Met protein levels in CRC tissues. These data established that FLNA could be a novel and reliable CRC marker and a potential therapeutic target against CRC.
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Affiliation(s)
- Mengmeng Cheng
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, China
| | - Yannan Jiang
- Key Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal HospitalSuzhou, China
| | - Han Yang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou UniversityNo. 1 Jianshe East, Zhengzhou, Henan, China
| | - Dongyao Zhao
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou UniversityNo. 1 Jianshe East, Zhengzhou, Henan, China
| | - Longyu Li
- Department of Pharmacy, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan UniversityZhengzhou 450003, Henan, China
| | - Xinyu Liu
- Department of General Surgery, The First Affiliated Hospital of Zhengzhou UniversityNo. 1 Jianshe East, Zhengzhou, Henan, China
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Ong MS, Deng S, Halim CE, Cai W, Tan TZ, Huang RYJ, Sethi G, Hooi SC, Kumar AP, Yap CT. Cytoskeletal Proteins in Cancer and Intracellular Stress: A Therapeutic Perspective. Cancers (Basel) 2020; 12:cancers12010238. [PMID: 31963677 PMCID: PMC7017214 DOI: 10.3390/cancers12010238] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 12/20/2022] Open
Abstract
Cytoskeletal proteins, which consist of different sub-families of proteins including microtubules, actin and intermediate filaments, are essential for survival and cellular processes in both normal as well as cancer cells. However, in cancer cells, these mechanisms can be altered to promote tumour development and progression, whereby the functions of cytoskeletal proteins are co-opted to facilitate increased migrative and invasive capabilities, proliferation, as well as resistance to cellular and environmental stresses. Herein, we discuss the cytoskeletal responses to important intracellular stresses (such as mitochondrial, endoplasmic reticulum and oxidative stresses), and delineate the consequences of these responses, including effects on oncogenic signalling. In addition, we elaborate how the cytoskeleton and its associated molecules present themselves as therapeutic targets. The potential and limitations of targeting new classes of cytoskeletal proteins are also explored, in the context of developing novel strategies that impact cancer progression.
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Affiliation(s)
- Mei Shan Ong
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore; (M.S.O.); (S.D.); (C.E.H.)
| | - Shuo Deng
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore; (M.S.O.); (S.D.); (C.E.H.)
| | - Clarissa Esmeralda Halim
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore; (M.S.O.); (S.D.); (C.E.H.)
| | - Wanpei Cai
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore (T.Z.T.); (R.Y.-J.H.)
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore;
| | - Tuan Zea Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore (T.Z.T.); (R.Y.-J.H.)
| | - Ruby Yun-Ju Huang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore (T.Z.T.); (R.Y.-J.H.)
- School of Medicine, College of Medicine, National Taiwan University, No. 1 Ren Ai Road Sec. 1, Taipei City 10617, Taiwan
- Department of Obstetrics and Gynaecology, National University Hospital, National University Health System, Singapore 119074, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore;
- Medical Science Cluster, Cancer Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- National University Cancer Institute, National University Health System, Singapore 119074, Singapore
| | - Shing Chuan Hooi
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore; (M.S.O.); (S.D.); (C.E.H.)
- Medical Science Cluster, Cancer Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- Correspondence: (S.C.H.); (A.P.K.); (C.T.Y.); Tel.: +65-6516-3294 (S.C.H. & C.T.Y.); +65-6873-5456 (A.P.K.); Fax: +65-6778-8161 (S.C.H. & C.T.Y.); +65-6873-9664 (A.P.K.)
| | - Alan Prem Kumar
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore (T.Z.T.); (R.Y.-J.H.)
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore;
- Medical Science Cluster, Cancer Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- National University Cancer Institute, National University Health System, Singapore 119074, Singapore
- Correspondence: (S.C.H.); (A.P.K.); (C.T.Y.); Tel.: +65-6516-3294 (S.C.H. & C.T.Y.); +65-6873-5456 (A.P.K.); Fax: +65-6778-8161 (S.C.H. & C.T.Y.); +65-6873-9664 (A.P.K.)
| | - Celestial T. Yap
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore; (M.S.O.); (S.D.); (C.E.H.)
- Medical Science Cluster, Cancer Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- National University Cancer Institute, National University Health System, Singapore 119074, Singapore
- Correspondence: (S.C.H.); (A.P.K.); (C.T.Y.); Tel.: +65-6516-3294 (S.C.H. & C.T.Y.); +65-6873-5456 (A.P.K.); Fax: +65-6778-8161 (S.C.H. & C.T.Y.); +65-6873-9664 (A.P.K.)
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Gupta S, Gangenahalli G. Analysis of molecular switch between leukocyte and substrate adhesion in bone marrow endothelial cells. Life Sci 2019; 238:116981. [DOI: 10.1016/j.lfs.2019.116981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/03/2019] [Accepted: 10/16/2019] [Indexed: 01/26/2023]
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Klingler-Hoffmann M, Mittal P, Hoffmann P. The Emerging Role of Cytoskeletal Proteins as Reliable Biomarkers. Proteomics 2019; 19:e1800483. [PMID: 31525818 DOI: 10.1002/pmic.201800483] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 07/12/2019] [Indexed: 12/26/2022]
Abstract
Cytoskeletal proteins are essential building blocks of cells. More than 100 cytoskeletal and cytoskeleton-associated proteins are known and for some, their function and regulation are understood in great detail. Apart from cell shape and support, they facilitate many processes such as intracellular signaling and transport, and cancer related processes such as proliferation, migration, and invasion. During the last decade, comparative proteomic studies have identified cytoskeletal proteins as in vitro markers for tumor progression and metastasis. Here, these results are summarized and a number of unrelated studies are highlighted, identifying the same cytoskeletal proteins as potential biomarkers. These findings might indicate that the abundance of these potential markers of tumor progression is associated with the biological outcome and are independent of the cancer origin. This correlates well with recently published results from the Cancer Genome Atlas, indicating that cancers show remarkable similarities in their analyzed molecular information, independent of their organ of origin. It is postulated that the quantification of cytoskeletal proteins in healthy tissues, tumors, in adjacent tissues, and in stroma, is a great source of molecular information, which might not only be used to classify tumors, but more importantly to predict patients' outcome or even best treatment choices.
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Affiliation(s)
- Manuela Klingler-Hoffmann
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, 5095, Australia
| | - Parul Mittal
- Adelaide Proteomics Centre, School of Biological Sciences, University of Adelaide, Adelaide, 5005, Australia
| | - Peter Hoffmann
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, 5095, Australia
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Wang K, Zhu TN, Zhao RJ. Filamin A regulates EGFR/ERK/Akt signaling and affects colorectal cancer cell growth and migration. Mol Med Rep 2019; 20:3671-3678. [PMID: 31485594 PMCID: PMC6755168 DOI: 10.3892/mmr.2019.10622] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 07/18/2019] [Indexed: 01/09/2023] Open
Abstract
The metastasis and recurrence rate, and the overall prognosis of colorectal cancer (CRC) remain unsatisfactory. Filamin A (FLNa), as an actin-binding protein, can interact with various signaling molecules and membrane receptors to affect cell signal transduction and function. However, whether FLNa is involved in the progression of CRC remains to be elucidated. The aim of the present study was to explore the role of FLNa in CRC cell proliferation and migration, as well as in the regulation of epidermal growth factor receptor (EGFR) signaling. Following transfection with a FLNa-targeting short hairpin RNA plasmid to knockdown expression of FLNa in the EGF-treated SW480 cell line, it was found that decreased expression of FLNa promoted cell proliferation and migration. Additionally, there was a negative correlation between FLNa levels and the activation of EGFR and Akt signaling pathways. Similarly, the expression of FLNa was significantly lower in human CRC tissues compared with adjacent normal tissues and FLNa expression was negatively correlated with the expression of Ki-67 in human CRC tissues. Although there was no significant difference in the Kaplan-Meier estimate of CRC between high expression and low expression of FLNa, there were significant negative associations between FLNa expression and TNM stage. The results suggested that FLNa may participate in EGF-induced cell proliferation and migration in CRC cells. Hence, interventions in the FLNa-mediated signaling pathway could provide attractive therapeutic targets for CRC.
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Affiliation(s)
- Kun Wang
- Department of Transfusion, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Tie-Nian Zhu
- Department of Immunology, Hebei Medical University, Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, Hebei 050017, P.R. China
| | - Rui-Jing Zhao
- Department of Immunology, Hebei Medical University, Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, Hebei 050017, P.R. China
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Sit B, Gutmann D, Iskratsch T. Costameres, dense plaques and podosomes: the cell matrix adhesions in cardiovascular mechanosensing. J Muscle Res Cell Motil 2019; 40:197-209. [PMID: 31214894 PMCID: PMC6726830 DOI: 10.1007/s10974-019-09529-7] [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: 05/14/2019] [Accepted: 06/15/2019] [Indexed: 12/12/2022]
Abstract
The stiffness of the cardiovascular environment changes during ageing and in disease and contributes to disease incidence and progression. For instance, increased arterial stiffness can lead to atherosclerosis, while stiffening of the heart due to fibrosis can increase the chances of heart failure. Cells can sense the stiffness of the extracellular matrix through integrin adhesions and other mechanosensitive structures and in response to this initiate mechanosignalling pathways that ultimately change the cellular behaviour. Over the past decades, interest in mechanobiology has steadily increased and with this also our understanding of the molecular basis of mechanosensing and transduction. However, much of our knowledge about the mechanisms is derived from studies investigating focal adhesions in non-muscle cells, which are distinct in several regards from the cell-matrix adhesions in cardiomyocytes (costameres) or vascular smooth muscle cells (dense plaques or podosomes). Therefore, we will look here first at the evidence for mechanical sensing in the cardiovascular system, before comparing the different cytoskeletal arrangements and adhesion sites in cardiomyocytes and vascular smooth muscle cells and what is known about mechanical sensing through the various structures.
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Affiliation(s)
- Brian Sit
- Division of Bioengineering, School of Engineering and Materials Science & Institute for Bioengineering, Queen Mary University of London, London, UK
| | - Daniel Gutmann
- Division of Bioengineering, School of Engineering and Materials Science & Institute for Bioengineering, Queen Mary University of London, London, UK
| | - Thomas Iskratsch
- Division of Bioengineering, School of Engineering and Materials Science & Institute for Bioengineering, Queen Mary University of London, London, UK.
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44
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Mierke CT. The matrix environmental and cell mechanical properties regulate cell migration and contribute to the invasive phenotype of cancer cells. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2019; 82:064602. [PMID: 30947151 DOI: 10.1088/1361-6633/ab1628] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The minimal structural unit of a solid tumor is a single cell or a cellular compartment such as the nucleus. A closer look inside the cells reveals that there are functional compartments or even structural domains determining the overall properties of a cell such as the mechanical phenotype. The mechanical interaction of these living cells leads to the complex organization such as compartments, tissues and organs of organisms including mammals. In contrast to passive non-living materials, living cells actively respond to the mechanical perturbations occurring in their microenvironment during diseases such as fibrosis and cancer. The transformation of single cancer cells in highly aggressive and hence malignant cancer cells during malignant cancer progression encompasses the basement membrane crossing, the invasion of connective tissue, the stroma microenvironments and transbarrier migration, which all require the immediate interaction of the aggressive and invasive cancer cells with the surrounding extracellular matrix environment including normal embedded neighboring cells. All these steps of the metastatic pathway seem to involve mechanical interactions between cancer cells and their microenvironment. The pathology of cancer due to a broad heterogeneity of cancer types is still not fully understood. Hence it is necessary to reveal the signaling pathways such as mechanotransduction pathways that seem to be commonly involved in the development and establishment of the metastatic and mechanical phenotype in several carcinoma cells. We still do not know whether there exist distinct metastatic genes regulating the progression of tumors. These metastatic genes may then be activated either during the progression of cancer by themselves on their migration path or in earlier stages of oncogenesis through activated oncogenes or inactivated tumor suppressor genes, both of which promote the metastatic phenotype. In more detail, the adhesion of cancer cells to their surrounding stroma induces the generation of intracellular contraction forces that deform their microenvironments by alignment of fibers. The amplitude of these forces can adapt to the mechanical properties of the microenvironment. Moreover, the adhesion strength of cancer cells seems to determine whether a cancer cell is able to migrate through connective tissue or across barriers such as the basement membrane or endothelial cell linings of blood or lymph vessels in order to metastasize. In turn, exposure of adherent cancer cells to physical forces, such as shear flow in vessels or compression forces around tumors, reinforces cell adhesion, regulates cell contractility and restructures the ordering of the local stroma matrix that leads subsequently to secretion of crosslinking proteins or matrix degrading enzymes. Hence invasive cancer cells alter the mechanical properties of their microenvironment. From a mechanobiological point-of-view, the recognized physical signals are transduced into biochemical signaling events that guide cellular responses such as cancer progression after the malignant transition of cancer cells from an epithelial and non-motile phenotype to a mesenchymal and motile (invasive) phenotype providing cellular motility. This transition can also be described as the physical attempt to relate this cancer cell transitional behavior to a T1 phase transition such as the jamming to unjamming transition. During the invasion of cancer cells, cell adaptation occurs to mechanical alterations of the local stroma, such as enhanced stroma upon fibrosis, and therefore we need to uncover underlying mechano-coupling and mechano-regulating functional processes that reinforce the invasion of cancer cells. Moreover, these mechanisms may also be responsible for the awakening of dormant residual cancer cells within the microenvironment. Physicists were initially tempted to consider the steps of the cancer metastasis cascade as single events caused by a single mechanical alteration of the overall properties of the cancer cell. However, this general and simple view has been challenged by the finding that several mechanical properties of cancer cells and their microenvironment influence each other and continuously contribute to tumor growth and cancer progression. In addition, basement membrane crossing, cell invasion and transbarrier migration during cancer progression is explained in physical terms by applying physical principles on living cells regardless of their complexity and individual differences of cancer types. As a novel approach, the impact of the individual microenvironment surrounding cancer cells is also included. Moreover, new theories and models are still needed to understand why certain cancers are malignant and aggressive, while others stay still benign. However, due to the broad variety of cancer types, there may be various pathways solely suitable for specific cancer types and distinct steps in the process of cancer progression. In this review, physical concepts and hypotheses of cancer initiation and progression including cancer cell basement membrane crossing, invasion and transbarrier migration are presented and discussed from a biophysical point-of-view. In addition, the crosstalk between cancer cells and a chronically altered microenvironment, such as fibrosis, is discussed including the basic physical concepts of fibrosis and the cellular responses to mechanical stress caused by the mechanically altered microenvironment. Here, is highlighted how biophysical approaches, both experimentally and theoretically, have an impact on classical hallmarks of cancer and fibrosis and how they contribute to the understanding of the regulation of cancer and its progression by sensing and responding to the physical environmental properties through mechanotransduction processes. Finally, this review discusses various physical models of cell migration such as blebbing, nuclear piston, protrusive force and unjamming transition migration modes and how they contribute to cancer progression. Moreover, these cellular migration modes are influenced by microenvironmental perturbances such as fibrosis that can induce mechanical alterations in cancer cells, which in turn may impact the environment. Hence, the classical hallmarks of cancer need to be refined by including biomechanical properties of cells, cell clusters and tissues and their microenvironment to understand mechano-regulatory processes within cancer cells and the entire organism.
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Lin S, Zhang C, Liu F, Ma J, Jia F, Han Z, Xie W, Li X. Actinomycin V Inhibits Migration and Invasion via Suppressing Snail/Slug-Mediated Epithelial-Mesenchymal Transition Progression in Human Breast Cancer MDA-MB-231 Cells In Vitro. Mar Drugs 2019; 17:E305. [PMID: 31137656 PMCID: PMC6562598 DOI: 10.3390/md17050305] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/22/2019] [Accepted: 05/22/2019] [Indexed: 02/06/2023] Open
Abstract
Actinomycin V, an analog of actinomycin D produced by the marine-derived actinomycete Streptomyces sp., possessing a 4-ketoproline instead of a 4-proline in actinomycin D. In this study, the involvement of snail/slug-mediated epithelial-mesenchymal transition (EMT) in the anti-migration and -invasion actions of actinomycin V was investigated in human breast cancer MDA-MB-231 cells in vitro. Cell proliferation effect was evaluated by 3-(4,5-Dimethylthiazol)-2,5-diphenyltetrazolium bromide (MTT) assay. Wound-healing and Transwell assay were performed to investigate the anti-migration and -invasion effects of actinomycin V. Western blotting was used to detect the expression levels of E-cadherin, N-cadherin, vimentin, snail, slug, zinc finger E-box binding homeobox 1 (ZEB1), and twist proteins and the mRNA levels were detected by rt-PCR. Actinomycin V showed stronger cytotoxic activity than that of actinomycin D. Actinomycin V up-regulated both of the protein and mRNA expression levels of E-cadherin and down-regulated that of N-cadherin and vimentin in the same cells. In this connection, actinomycin V decreased the snail and slug protein expression, and consequently inhibited cells EMT procession. Our results suggest that actinomycin V inhibits EMT-mediated migration and invasion via decreasing snail and slug expression, which exhibits therapeutic potential for the treatment of breast cancer and further toxicity investigation in vivo is needed.
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Affiliation(s)
- Shiqi Lin
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Caiyun Zhang
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Fangyuan Liu
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Jiahui Ma
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Fujuan Jia
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Zhuo Han
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Weidong Xie
- School of Ocean, Shandong University, Weihai 264209, China.
| | - Xia Li
- School of Ocean, Shandong University, Weihai 264209, China.
- School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China.
- The Key Laboratory of Chemistry for Natural Product of Guizhou Province, Chinese Academy of Science, Guiyang 550002, China.
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46
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Coelho MCA, Vasquez ML, Wildemberg LE, Vázquez-Borrego MC, Bitana L, Camacho AHDS, Silva D, Ogino LL, Ventura N, Sánchez-Sánchez R, Chimelli L, Kasuki L, Luque RM, Gadelha MR. Clinical significance of filamin A in patients with acromegaly and its association with somatostatin and dopamine receptor profiles. Sci Rep 2019; 9:1122. [PMID: 30718563 PMCID: PMC6361919 DOI: 10.1038/s41598-018-37692-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 11/30/2018] [Indexed: 11/15/2022] Open
Abstract
Filamin-A (FLNA) plays a crucial role in somatostatin receptor (sst) subtype-2 signaling in somatotropinomas. Our objective was to investigate the in vivo association between FLNA and sst2 expression, sst5 expression, dopamine receptor subtype-2 (D2) expression, somatostatin receptor ligand (SRL) responsiveness and tumor invasiveness in somatotropinomas. Quantitative real-time PCR was used to evaluate the absolute mRNA copy numbers of FLNA/sst2/sst5/D2 in 96 somatotropinomas. FLNA, sst2 and sst5 protein expression levels were also evaluated using immunohistochemistry. The Knosp-Steiner criteria were used to evaluate tumor invasiveness. Median FLNA, sst2, sst5 and D2 copy numbers were 4,244, 731, 156 and 3,989, respectively. Thirty-one of the 35 available tumors (89%) were immune positive for FLNA in the cytoplasm and membrane but not in the nucleus. FLNA and sst5 expression were positively correlated at the mRNA and protein levels (p < 0.001 and p = 0.033, respectively). FLNA was positively correlated with sst2 mRNA in patients who were responsive to SRL (p = 0.014, R = 0.659). No association was found between FLNA and tumor invasiveness. Our findings show that in somatotropinomas FLNA expression positively correlated with in vivo sst5 and D2 expression. Notably, FLNA was only correlated with sst2 in patients who were controlled with SRL. FLNA was not associated with tumor invasiveness.
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Affiliation(s)
- Maria Caroline Alves Coelho
- Neuroendocrinology Research Center/Endocrinology Division, Medical School and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Endocrine Division, Hospital Universitário Pedro Ernesto, Universidade Estadual do Rio de Janeiro, Rio de Janeiro, Brazil.,Endocrine Division, Instituto Estadual de Diabetes e Endocrinologia Luiz Capriglione, Rio de Janeiro, Brazil
| | - Marina Lipkin Vasquez
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Luiz Eduardo Wildemberg
- Neuroendocrinology Research Center/Endocrinology Division, Medical School and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Neuroendocrinology Division, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Mari C Vázquez-Borrego
- Maimonides Institute of Biomedical Research of Cordoba (IMIBIC), Córdoba, Spain.,Department of Cell Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Luciana Bitana
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Aline Helen da Silva Camacho
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil.,Pathology Division, Instituto Nacional do Câncer, Rio de janeiro, Brazil
| | - Débora Silva
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Liana Lumi Ogino
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Nina Ventura
- Radiology Division, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Rafael Sánchez-Sánchez
- Maimonides Institute of Biomedical Research of Cordoba (IMIBIC), Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain.,Pathology Service, Reina Sofia University Hospital, Córdoba, Spain
| | - Leila Chimelli
- Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Leandro Kasuki
- Neuroendocrinology Research Center/Endocrinology Division, Medical School and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Neuroendocrinology Division, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil.,Endocrine Division, Hospital Federal de Bonsucesso, Rio de Janeiro, Brazil
| | - Raul M Luque
- Maimonides Institute of Biomedical Research of Cordoba (IMIBIC), Córdoba, Spain.,Department of Cell Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain.,CIBER de la Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Mônica R Gadelha
- Neuroendocrinology Research Center/Endocrinology Division, Medical School and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. .,Neuropathology and Molecular Genetics Laboratory, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil. .,Neuroendocrinology Division, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil.
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47
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Osuala KO, Ji K, Mattingly RR, Sloane BF. Breast Cancer: Proteolysis and Migration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1152:401-411. [PMID: 31456196 DOI: 10.1007/978-3-030-20301-6_21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Understanding breast cancer cell proteolysis and migration is crucial for developing novel therapies to prevent local and distant metastases. Human cancer cells utilize many biological functions comparable to those observed during embryogenesis conferring the cancer cells with survival advantages. One such advantage is the ability to secrete proteases into the tumor microenvironment in order to remodel the extracellular matrix to facilitate migration. These proteases degrade the extracellular matrix, which initially functions as a barrier to cancer cell escape from their site of origin. The extracellular matrix also functions as a reservoir for growth factors that can be released by the secreted proteases and thereby further aid tumor growth and progression. Other survival advantages of tumor cells include: the ability to utilize multiple modes of motility, thrive in acidic microenvironments, and the tumor cell's ability to hijack stromal and immune cells to foster their own migration and survival. In order to reduce metastasis, we must focus our efforts on addressing the survival advantages that tumor cells have acquired.
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Affiliation(s)
- Kingsley O Osuala
- Department of Pharmacology and Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA.
| | - Kyungmin Ji
- Department of Pharmacology and Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
| | - Raymond R Mattingly
- Department of Pharmacology and Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
| | - Bonnie F Sloane
- Department of Pharmacology and Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
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48
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Halim NSSA, Aizat WM, Yahaya BH. The effect of mesenchymal stem cell-secreted factors on airway epithelial repair. Regen Med 2019; 14:15-31. [DOI: 10.2217/rme-2018-0020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Aim: This study was aimed to investigate the effect of mesenchymal stem cell (MSC)-secreted factors on airway repair. Materials & methods: An indirect in vitro coculture model of injured airway epithelium explant with MSCs was developed. LC–MS/MS analysis was performed to determine factors secreted by MSCs and their involvement in epithelium repair was evaluated by histopathological assessment. Results: The identification of 54 of MSC proteins of which 44 of them were secretory/extracellular proteins. 43 of the secreted proteins were found to be involved in accelerating airway epithelium repair by stimulating the migratory, proliferative and differentiation abilities of the endogenous repair mechanisms. MSC-secreted proteins also initiated epithelial–mesenchymal transition process during early repair. Conclusion: MSC-secreted factors accelerated airway epithelial repair by stimulating the endogenous reparative and regenerative ability of lung cells.
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Affiliation(s)
- Nur SSA Halim
- Regenerative Medicine Cluster, Advanced Medical & Dental Institute (IPPT), Universiti Sains Malaysia, 13200 Bertam, Penang, Malaysia
| | - Wan M Aizat
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Badrul H Yahaya
- Regenerative Medicine Cluster, Advanced Medical & Dental Institute (IPPT), Universiti Sains Malaysia, 13200 Bertam, Penang, Malaysia
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49
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Marques M, Jangal M, Wang LC, Kazanets A, da Silva SD, Zhao T, Lovato A, Yu H, Jie S, Del Rincon S, Mackey J, Damaraju S, Alaoui-Jamali M, Witcher M. Oncogenic activity of poly (ADP-ribose) glycohydrolase. Oncogene 2018; 38:2177-2191. [PMID: 30459355 PMCID: PMC6484711 DOI: 10.1038/s41388-018-0568-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 10/05/2018] [Accepted: 10/13/2018] [Indexed: 12/21/2022]
Abstract
Poly (ADP-ribosylation), known as PARylation, is a post-translational modification catalyzed by poly (ADP-ribose) polymerases (PARP) and primarily removed by the enzyme poly (ADP-ribose) glycohydrolase (PARG). While the aberrant removal of post-translation modifications including phosphorylation and methylation has known tumorigenic effects, deregulation of PARylation has not been widely studied. Increased hydrolysis of PARylation chains facilitates cancer growth through enhancing estrogen receptor (ER)-driven proliferation, but oncogenic transformation has not been linked to increased PARG expression. In this study, we find that elevated PARG levels are associated with a poor prognosis in breast cancers, especially in HER2-positive and triple-negative subtypes. Using both in vitro and in vivo models, we demonstrate that heightened expression of catalytically active PARG facilitates cell transformation and invasion of normal mammary epithelial cells. Catalytically inactive PARG mutants did not recapitulate these phenotypes. Consistent with clinical data showing elevated PARG predicts poor outcomes in HER2+ patients, we observed that PARG acts in synergy with HER2 to promote neoplastic growth of immortalized mammary cells. In contrast, PARG depletion significantly impairs the growth and metastasis of triple-negative breast tumors. Mechanistically, we find that PARG interacts with SMAD2/3 and significantly decreases their PARylation in non-transformed cells, leading to enhanced expression of SMAD target genes. Further linking SMAD-mediated transcription to the oncogenicity of PARG, we show that PARG-mediated anchorage-independent growth and invasion are dependent, at least in part, on SMAD expression. Overall, our study underscores the oncogenic impact of aberrant protein PARylation and highlights the therapeutic potential of PARG inhibition in breast cancer.
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Affiliation(s)
- Maud Marques
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Maika Jangal
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Li-Chun Wang
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Anna Kazanets
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Sabrina Daniela da Silva
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada.,Department of Otolaryngology/Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Tiejun Zhao
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Amanda Lovato
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Henry Yu
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Su Jie
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Sonia Del Rincon
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - John Mackey
- Department of Oncology, Division of Medical Oncology, Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada
| | - Sambasivarao Damaraju
- Department of Laboratory Medicine and Pathology, Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada
| | - Moulay Alaoui-Jamali
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada
| | - Michael Witcher
- Departments of Oncology and Experimental Medicine, The Lady Davis Institute of the Jewish General Hospital, McGill University, Montreal, QC, Canada.
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50
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da Silva SD, Xu B, Maschietto M, Marchi FA, Alkailani MI, Bijian K, Xiao D, Alaoui-Jamali MA. TRAF2 Cooperates with Focal Adhesion Signaling to Regulate Cancer Cell Susceptibility to Anoikis. Mol Cancer Ther 2018; 18:139-146. [PMID: 30373932 DOI: 10.1158/1535-7163.mct-17-1261] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 05/14/2018] [Accepted: 10/23/2018] [Indexed: 11/16/2022]
Abstract
TRAF2, a RING finger adaptor protein, plays an important function in tumor necrosis factor (TNF)- and TNF-like weak inducer of apoptosis (TWEAK)-dependent signaling, in particular during inflammatory and immune responses. We identified a functional interaction of TRAF2 with focal adhesion (FA) signaling involving the focal adhesion kinase (FAK) in the regulation of cell susceptibility to anoikis. Comparison of TRAF2-proficient (TRAF2+/+) versus TRAF2-deficient (TRAF2-/-), and FAK-proficient (FAK+/+) versus FAK-deficient (FAK-/-) mouse embryonic fibroblasts and their matched reconstituted cells demonstrated that TRAF2 interacts physically with the N-terminal portion of FAK and colocalizes to cell membrane protrusions. This interaction was found to be critical for promoting resistance to cell anoikis. Similar results were confirmed in the human breast cancer cell line MDA-MB-231, where TRAF2 and FAK downregulation promoted cell susceptibility to anoikis. In human breast cancer tissues, genomic analysis of The Cancer Genome Atlas database revealed coamplification of TRAF2 and FAK in breast cancer tissues with a predictive value for shorter survival, further supporting a potential role of TRAF2-FAK cooperative signaling in cancer progression.
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Affiliation(s)
- Sabrina Daniela da Silva
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.,Department of Otolaryngology Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Bin Xu
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | | | - Fabio Albuquerque Marchi
- AC Camargo Cancer Center and National Institute of Science and Technology on Oncogenomics (INCITO), São Paulo, Brazil
| | - Maisa I Alkailani
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Krikor Bijian
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Dingzhang Xiao
- Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Moulay A Alaoui-Jamali
- Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, Departments of Medicine, Oncology, and Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
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