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Pan R, Lin C, Yang X, Xie Y, Gao L, Yu L. The influence of spheroid maturity on fusion dynamics and micro-tissue assembly in 3D tumor models. Biofabrication 2024; 16:035016. [PMID: 38663395 DOI: 10.1088/1758-5090/ad4392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 04/25/2024] [Indexed: 07/02/2024]
Abstract
Three-dimensional (3D) cell culture has been used in many fields of biology because of its unique advantages. As a representative of the 3D systems, 3D spheroids are used as building blocks for tissue construction. Larger tumor aggregates can be assembled by manipulating or stacking the tumor spheroids. The motivation of this study is to investigate the behavior of the cells distributed at different locations of the spheroids in the fusion process and the mechanism behind it. To this aim, spheroids with varying grades of maturity or age were generated for fusion to assemble micro-tumor tissues. The dynamics of the fusion process, the motility of the cells distributed in different heterogeneous architecture sites, and their reactive oxygen species profiles were studied. We found that the larger the spheroid necrotic core, the slower the fusion rate of the spheroid. The cells that move were mainly distributed on the spheroid's surface during fusion. In addition to dense microfilament distribution and low microtubule content, the reactive oxygen content was high in the fusion site, while the non-fusion site was the opposite. Last, multi-spheroids with different maturities were fused to complex micro-tissues to mimic solid tumors and evaluate Doxorubicin's anti-tumor efficacy.
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Affiliation(s)
- Rong Pan
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, People's Republic of China
| | - Chenyu Lin
- Institute for Developmental and Biology and Regenerative Medicine, Southwest University, Chongqing 400715, People's Republic of China
| | - Xiaoyan Yang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, People's Republic of China
| | - Yuanyuan Xie
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, People's Republic of China
| | - Lixia Gao
- National & Local Joint Engineering Research Center of Targeted and Innovative Therapeutics, College of Pharmacy & International Academy of Targeted Therapeutics and Innovation, Chongqing University of Arts and Sciences, Chongqing 402160, People's Republic of China
| | - Ling Yu
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, People's Republic of China
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2
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Witkowski TA, Li B, Andersen JG, Kumar B, Mroz EA, Rocco JW. Y-27632 acts beyond ROCK inhibition to maintain epidermal stem-like cells in culture. J Cell Sci 2023; 136:jcs260990. [PMID: 37698512 PMCID: PMC10508688 DOI: 10.1242/jcs.260990] [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: 01/17/2023] [Accepted: 07/24/2023] [Indexed: 09/13/2023] Open
Abstract
Conditional reprogramming is a cell culture technique that effectively immortalizes epithelial cells with normal genotypes by renewing epidermal stem cells. Y-27632, a compound that promotes conditional reprogramming through an unknown mechanism, was developed to inhibit the two Rho-associated kinase (ROCK) isoforms. We used human foreskin keratinocytes (HFKs) to study the role of Y-27632 in conditional reprogramming and learn how ROCKs control epidermal stem cell renewal. In conditional reprogramming, Y-27632 increased HFK adherence to culture dishes, progression through S, G2 and M phases of the cell cycle, and epidermal stem cell marker levels. Although this correlated with ROCK inhibition by Y-27632, we generated CRISPR-Cas9-mediated HFK ROCK knockouts to test the direct role of ROCK inhibition. Knockout of single ROCK isoforms was insufficient to disrupt ROCK activity or promote HFK propagation without Y-27632. Although ROCK activity was reduced, HFKs with double knockout of ROCK1 and ROCK2 still required Y-27632 to propagate. Y-27632 was the most effective among the ROCK inhibitors we tested at promoting HFK proliferation and epidermal stem cell marker expression. Thus, the ability of Y-27632 to promote an epidermal stem cell state in conditional reprogramming not only depends upon ROCK inhibition but also acts via as-yet-unidentified mechanisms. Epidermal stem cell renewal might in part be regulated by ROCKs, but also involves additional pathways.
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Affiliation(s)
- Travis A. Witkowski
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Bin Li
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Jason G. Andersen
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Bhavna Kumar
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Edmund A. Mroz
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - James W. Rocco
- Department of Otolaryngology – Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
- The Ohio State University Comprehensive Cancer Center – James, The Ohio State University, Columbus, OH 43210, USA
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3
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Schäfer M, Schneider M, Müller T, Franz N, Braspenning-Wesch I, Stephan S, Schmidt G, Krijgsveld J, Helm D, Rösl F, Hasche D. Spatial tissue proteomics reveals distinct landscapes of heterogeneity in cutaneous papillomavirus-induced keratinocyte carcinomas. J Med Virol 2023; 95:e28850. [PMID: 37322807 DOI: 10.1002/jmv.28850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/24/2023] [Accepted: 05/26/2023] [Indexed: 06/17/2023]
Abstract
Infection with certain cutaneous human papillomaviruses (HPV), in conjunction with chronic ultraviolet (UV) exposure, are the major cofactors of non-melanoma skin cancer (NMSC), the most frequent cancer type worldwide. Cutaneous squamous cell carcinomas (SCCs) as well as tumors in general represent three-dimensional entities determined by both temporal and spatial constraints. Whole tissue proteomics is a straightforward approach to understand tumorigenesis in better detail, but studies focusing on different progression states toward a dedifferentiated SCC phenotype on a spatial level are rare. Here, we applied an innovative proteomic workflow on formalin-fixed, paraffin-embedded (FFPE) epithelial tumors derived from the preclinical animal model Mastomys coucha. This rodent is naturally infected with its genuine cutaneous papillomavirus and closely mimics skin carcinogenesis in the context of cutaneous HPV infections in humans. We deciphered cellular networks by comparing diverse epithelial tissues with respect to their differentiation level and infection status. Our study reveals novel regulatory proteins and pathways associated with virus-induced tumor initiation and progression of SCCs. This approach provides the basis to better comprehend the multistep process of skin carcinogenesis.
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Affiliation(s)
- Miriam Schäfer
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Martin Schneider
- Proteomics Core Facility, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Torsten Müller
- Division Proteomics of Stem Cells and Cancer, Research Program "Functional and Structural Genomics", German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg University, Medical Faculty, Heidelberg, Germany
| | - Natascha Franz
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Ilona Braspenning-Wesch
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sonja Stephan
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Gabriele Schmidt
- Core Facility Unit Light Microscopy, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jeroen Krijgsveld
- Division Proteomics of Stem Cells and Cancer, Research Program "Functional and Structural Genomics", German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg University, Medical Faculty, Heidelberg, Germany
| | - Dominic Helm
- Proteomics Core Facility, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frank Rösl
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Daniel Hasche
- Division of Viral Transformation Mechanisms, Research Program "Infection, Inflammation and Cancer", German Cancer Research Center (DKFZ), Heidelberg, Germany
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4
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Shutova MS, Borowczyk J, Russo B, Sellami S, Drukala J, Wolnicki M, Brembilla NC, Kaya G, Ivanov AI, Boehncke WH. Inflammation modulates intercellular adhesion and mechanotransduction in human epidermis via ROCK2. iScience 2023; 26:106195. [PMID: 36890793 PMCID: PMC9986521 DOI: 10.1016/j.isci.2023.106195] [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: 04/12/2022] [Revised: 12/05/2022] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
Aberrant mechanotransduction and compromised epithelial barrier function are associated with numerous human pathologies including inflammatory skin disorders. However, the cytoskeletal mechanisms regulating inflammatory responses in the epidermis are not well understood. Here we addressed this question by inducing a psoriatic phenotype in human keratinocytes and reconstructed human epidermis using a cytokine stimulation model. We show that the inflammation upregulates the Rho-myosin II pathway and destabilizes adherens junctions (AJs) promoting YAP nuclear entry. The integrity of cell-cell adhesion but not the myosin II contractility per se is the determinative factor for the YAP regulation in epidermal keratinocytes. The inflammation-induced disruption of AJs, increased paracellular permeability, and YAP nuclear translocation are regulated by ROCK2, independently from myosin II activation. Using a specific inhibitor KD025, we show that ROCK2 executes its effects via cytoskeletal and transcription-dependent mechanisms to shape the inflammatory response in the epidermis.
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Affiliation(s)
- Maria S. Shutova
- University of Geneva, Department of Pathology and Immunology, Geneva, Switzerland
- University Hospitals of Geneva, Division of Dermatology and Venereology, Geneva, Switzerland
- Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Julia Borowczyk
- University of Geneva, Department of Pathology and Immunology, Geneva, Switzerland
| | - Barbara Russo
- University of Geneva, Department of Pathology and Immunology, Geneva, Switzerland
- University Hospitals of Geneva, Division of Dermatology and Venereology, Geneva, Switzerland
- Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Sihem Sellami
- University of Geneva, Department of Pathology and Immunology, Geneva, Switzerland
| | - Justyna Drukala
- Jagiellonian University, Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Cracow, Poland
| | - Michal Wolnicki
- Department of Pediatric Urology, Jagiellonian University Medical College, Cracow, Poland
| | - Nicolo C. Brembilla
- University Hospitals of Geneva, Division of Dermatology and Venereology, Geneva, Switzerland
- Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Gurkan Kaya
- University Hospitals of Geneva, Division of Dermatology and Venereology, Geneva, Switzerland
| | - Andrei I. Ivanov
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Wolf-Henning Boehncke
- University of Geneva, Department of Pathology and Immunology, Geneva, Switzerland
- University Hospitals of Geneva, Division of Dermatology and Venereology, Geneva, Switzerland
- Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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5
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Boonpethkaew S, Meephansan J, Charoensuksira S, Jumlongpim O, Tangtanatakul P, Wongpiyabovorn J, Komine M, Morita A. Elucidating the NB-UVB mechanism by comparing transcriptome alteration on the edge and center of psoriatic plaques. Sci Rep 2023; 13:4384. [PMID: 36928592 PMCID: PMC10020439 DOI: 10.1038/s41598-023-31610-y] [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: 02/03/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023] Open
Abstract
Narrow band-ultraviolet B (NB-UVB) is an effective treatment for psoriasis. We aim to generate a potential mechanism of NB-UVB through comparing the transcriptomic profile before and after NB-UVB treatment between the peripheral edge of lesional skin (PE skin) and the center of lesional skin (CE skin) on the basis of molecular mechanisms of these two areas display different downstream functions. More than one-fourth of the NB-UVB-altered genes were found to be plaque-specific. Some of them were psoriasis signature genes that were downregulated by NB-UVB in, both, PE and CE skin (core alteration), such as IL36G, DEFB4A/B, S100A15, KRT16, and KRT6A. After NB-UVB treatment, the activity score of upstream cytokines, such as interferons, interleukin (IL)-6, IL-17, and IL-22 in pathogenesis decreased. In addition, NB-UVB could restore normal keratinization by upregulating LORICRIN and KRT2, particularly in the CE skin. Finally, we illustrated that NB-UVB is capable of suppressing molecules from the initiation to maintenance phase of plaque formation, thereby normalizing psoriatic plaques. This finding supports the usefulness of NB-UVB treatment in clinical practice and may help in the development of new treatment approaches in which NB-UVB treatment is included for patients with psoriasis or other inflammatory skin diseases.
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Affiliation(s)
- Suphagan Boonpethkaew
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Klong Luang, Pathum Thani, 12120, Thailand
| | - Jitlada Meephansan
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Klong Luang, Pathum Thani, 12120, Thailand.
| | - Sasin Charoensuksira
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Klong Luang, Pathum Thani, 12120, Thailand
| | - Onjira Jumlongpim
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Klong Luang, Pathum Thani, 12120, Thailand
| | - Pattarin Tangtanatakul
- Department of Transfusion Medicine and Clinical Microbiology, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Microbiology, Faculty of Medicine, Center of Excellence in Immunology and Immune-Mediated Disease, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Jongkonnee Wongpiyabovorn
- Department of Microbiology, Faculty of Medicine, Center of Excellence in Immunology and Immune-Mediated Disease, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mayumi Komine
- Department of Dermatology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan
| | - Akimichi Morita
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
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6
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Barcelo J, Samain R, Sanz-Moreno V. Preclinical to clinical utility of ROCK inhibitors in cancer. Trends Cancer 2023; 9:250-263. [PMID: 36599733 DOI: 10.1016/j.trecan.2022.12.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/25/2022] [Accepted: 12/02/2022] [Indexed: 01/03/2023]
Abstract
ROCK belongs to the AGC family of Ser/Thr protein kinases that are involved in many cellular processes. ROCK-driven actomyosin contractility regulates cytoskeletal dynamics underpinning cell migration, proliferation, and survival in many cancer types. ROCK1/2 play key protumorigenic roles in several subtypes and stages of cancer development. Therefore, successfully targeting ROCK and its downstream effectors presents an interesting avenue for cancer treatment. Because local use of ROCK inhibitors will reduce the side effects of systemic administration, we propose different therapeutic strategies and latest-generation ROCK inhibitors for use in the clinic.
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Affiliation(s)
- Jaume Barcelo
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Remi Samain
- Barts Cancer Institute, Queen Mary University of London, London, UK
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7
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Peng Z, Pang H, Wu H, Peng X, Tan Q, Lin S, Wei B. CCL2 promotes proliferation, migration and angiogenesis through the MAPK/ERK1/2/MMP9, PI3K/AKT, Wnt/β‑catenin signaling pathways in HUVECs. Exp Ther Med 2022; 25:77. [PMID: 36684650 PMCID: PMC9842938 DOI: 10.3892/etm.2022.11776] [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: 08/10/2022] [Accepted: 11/28/2022] [Indexed: 12/28/2022] Open
Abstract
Severe bone trauma can lead to poor or delayed bone healing and nonunion. Bone regeneration is based on the interaction between osteogenesis and angiogenesis. Angiogenesis serves a unique role in the repair and remodeling of bone defects. Monocyte chemoattractant protein-1, also known as CC motif ligand 2 (CCL2), is a member of the CC motif chemokine family and was the first human chemokine to be revealed to be an effective chemokine of monocytes. However, its underlying mechanism in angiogenesis of bone defect repair remains to be elucidated. Therefore, the present study investigated the detailed mechanism by which CCL2 promoted angiogenesis in bone defects based on cell and animal model experiments. In the present study, CCL2 promoted proliferation, migration and tube formation in human umbilical vein endothelial cells (HUVECs) in a concentration-dependent manner. Western blot analysis revealed that treatment of HUVECs with CCL2 upregulated the protein expression levels of rho-associated coiled-coil-containing protein kinase (Rock)1, Rock2, N-cadherin, c-Myc and VEGFR2. Furthermore, CCL2 promoted the expression of MAPK/ERK1/2/MMP9, PI3K/AKT and Wnt/β-catenin signaling pathway-related proteins, which also demonstrated that CCL2 promoted these functions in HUVECs. Immunohistochemical staining of Sprague Dawley rat femurs following bone defects revealed that VEGF expression was positive in the newly formed bone area in each group, while the expression area of VEGF in the CCL2 addition group was markedly increased. Therefore, CCL2 is a potential therapeutic approach for bone defect repair and reconstruction through the mechanism of angiogenesis-osteogenesis coupling.
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Affiliation(s)
- Zhonghua Peng
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China
| | - He Pang
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China
| | - Hang Wu
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China
| | - Xin Peng
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China
| | - Qichao Tan
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China
| | - Sien Lin
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China,Correspondence to: Dr Sien Lin or Dr Bo Wei, Department of Orthopedics Center, Affiliated Hospital of Guangdong Medical University, 57 South Renmin Road, Xiashan, Zhanjiang, Guangdong 524001, P.R. China
| | - Bo Wei
- Orthopedics Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, P.R. China,Correspondence to: Dr Sien Lin or Dr Bo Wei, Department of Orthopedics Center, Affiliated Hospital of Guangdong Medical University, 57 South Renmin Road, Xiashan, Zhanjiang, Guangdong 524001, P.R. China
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8
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Shutova MS, Boehncke WH. Mechanotransduction in Skin Inflammation. Cells 2022; 11:cells11132026. [PMID: 35805110 PMCID: PMC9265324 DOI: 10.3390/cells11132026] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 11/16/2022] Open
Abstract
In the process of mechanotransduction, the cells in the body perceive and interpret mechanical stimuli to maintain tissue homeostasis and respond to the environmental changes. Increasing evidence points towards dysregulated mechanotransduction as a pathologically relevant factor in human diseases, including inflammatory conditions. Skin is the organ that constantly undergoes considerable mechanical stresses, and the ability of mechanical factors to provoke inflammatory processes in the skin has long been known, with the Koebner phenomenon being an example. However, the molecular mechanisms and key factors linking mechanotransduction and cutaneous inflammation remain understudied. In this review, we outline the key players in the tissue’s mechanical homeostasis, the available data, and the gaps in our current understanding of their aberrant regulation in chronic cutaneous inflammation. We mainly focus on psoriasis as one of the most studied skin inflammatory diseases; we also discuss mechanotransduction in the context of skin fibrosis as a result of chronic inflammation. Even though the role of mechanotransduction in inflammation of the simple epithelia of internal organs is being actively studied, we conclude that the mechanoregulation in the stratified epidermis of the skin requires more attention in future translational research.
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Affiliation(s)
- Maria S. Shutova
- Department of Pathology and Immunology, University of Geneva, 1211 Geneva, Switzerland;
- Department of Dermatology, Geneva University Hospitals, 1211 Geneva, Switzerland
- Correspondence:
| | - Wolf-Henning Boehncke
- Department of Pathology and Immunology, University of Geneva, 1211 Geneva, Switzerland;
- Department of Dermatology, Geneva University Hospitals, 1211 Geneva, Switzerland
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9
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Transcriptomic Profiling of Peripheral Edge of Lesions to Elucidate the Pathogenesis of Psoriasis Vulgaris. Int J Mol Sci 2022; 23:ijms23094983. [PMID: 35563374 PMCID: PMC9101153 DOI: 10.3390/ijms23094983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/13/2022] Open
Abstract
Elucidating transcriptome in the peripheral edge of the lesional (PE) skin could provide a better understanding of the molecules or signalings that intensify inflammation in the PE skin. Full-thickness biopsies of PE skin and uninvolved (UN) skin were obtained from psoriasis patients for RNA-seq. Several potential differentially expressed genes (DEGs) in the PE skin compared to those in the UN skin were identified. These DEGs enhanced functions such as angiogenesis, growth of epithelial tissue, chemotaxis and homing of cells, growth of connective tissues, and degranulation of myeloid cells beneath the PE skin. Moreover, the canonical pathways of IL-17A, IL-6, and IL-22 signaling were enriched by the DEGs. Finally, we proposed that inflammation in the PE skin might be driven by the IL-36/TLR9 axis or IL-6/Th17 axis and potentiated by IL-36α, IL-36γ, IL-17C, IL-8, S100A7, S100A8, S100A9, S100A15, SERPINB4, and hBD-2. Along with IL-36α, IL-17C, and IκBζ, ROCK2 could be an equally important factor in the pathogenesis of psoriasis, which may involve self-sustaining circuits between innate and adaptive immune responses via regulation of IL-36α and IL-36γ expression. Our finding provides new insight into signaling pathways in PE skin, which could lead to the discovery of new psoriasis targets.
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10
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ROCK ‘n TOR: An Outlook on Keratinocyte Stem Cell Expansion in Regenerative Medicine via Protein Kinase Inhibition. Cells 2022; 11:cells11071130. [PMID: 35406693 PMCID: PMC8997668 DOI: 10.3390/cells11071130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 12/13/2022] Open
Abstract
Keratinocyte stem cells play a fundamental role in homeostasis and repair of stratified epithelial tissues. Transplantation of cultured keratinocytes autografts provides a landmark example of successful cellular therapies by restoring durable integrity in stratified epithelia lost to devastating tissue conditions. Despite the overall success of such procedures, failures still occur in case of paucity of cultured stem cells in therapeutic grafts. Strategies aiming at a further amplification of stem cells during keratinocyte ex vivo expansion may thus extend the applicability of these treatments to subjects in which endogenous stem cells pools are depauperated by aging, trauma, or disease. Pharmacological targeting of stem cell signaling pathways is recently emerging as a powerful strategy for improving stem cell maintenance and/or amplification. Recent experimental data indicate that pharmacological inhibition of two prominent keratinocyte signaling pathways governed by apical mTOR and ROCK protein kinases favor stem cell maintenance and/or amplification ex vivo and may improve the effectiveness of stem cell-based therapeutic procedures. In this review, we highlight the pathophysiological roles of mTOR and ROCK in keratinocyte biology and evaluate existing pre-clinical data on the effects of their inhibition in epithelial stem cell expansion for transplantation purposes.
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11
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Lee AJ, Fraser E, Flowers B, Kim J, Wong K, Cataisson C, Liu H, Yang H, Lee MP, Yuspa SH, Li L. RAS induced senescence of skin keratinocytes is mediated through Rho-associated protein kinase (ROCK). Mol Carcinog 2021; 60:799-812. [PMID: 34534377 PMCID: PMC8585695 DOI: 10.1002/mc.23351] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/17/2021] [Accepted: 08/21/2021] [Indexed: 11/07/2022]
Abstract
Cellular senescence is a well-documented response to oncogene activation in many tissues. Multiple pathways are invoked to achieve senescence indicating its importance to counteract the transforming activities of oncogenic stimulation. We now report that the Rho-associated protein kinase (ROCK) signaling pathway is a critical regulator of oncogene-induced senescence in skin carcinogenesis. Transformation of mouse keratinocytes with oncogenic RAS upregulates ROCK activity and initiates a senescence response characterized by cell enlargement, growth inhibition, upregulation of senescence associated β-galactosidase (SAβgal) expression, and release of multiple pro-inflammatory factors comprising the senescence-associated secretory phenotype (SASP). The addition of the ROCK inhibitor Y-27632 and others prevents these senescence responses and maintains proliferating confluent RAS transformed keratinocyte cultures indefinitely. Mechanistically, oncogenic RAS transformation is associated with upregulation of cell cycle inhibitors p15Ink4b , p16Ink4a , and p19Arf and downregulation of p-AKT, all of which are reversed by Y-27632. RNA-seq analysis of Y-27632 treated RAS-transformed keratinocytes indicated that the inhibitor reduced growth-inhibitory gene expression profiles and maintained expression of proliferative pathways. Y-27632 also reduced the expression of NF-κB effector genes and the expression of IκBζ downstream mediators. The senescence inhibition from Y-27632 was reversible, and upon its removal, senescence reoccurred in vitro with rapid upregulation of cell cycle inhibitors, SASP expression, and cell detachment. Y-27632 treated cultured RAS-keratinocytes formed tumors in the absence of the inhibitor when placed in skin orthografts suggesting that factors in the tumor microenvironment can overcome the drive to senescence imparted by overactive ROCK activity.
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Affiliation(s)
- Alex J. Lee
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Elise Fraser
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Brittany Flowers
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Jee Kim
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Kenneth Wong
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Christophe Cataisson
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Huaitian Liu
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Howard Yang
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Maxwell P. Lee
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Stuart H. Yuspa
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
| | - Luowei Li
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda Maryland 20892
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12
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The Balance between Differentiation and Terminal Differentiation Maintains Oral Epithelial Homeostasis. Cancers (Basel) 2021; 13:cancers13205123. [PMID: 34680271 PMCID: PMC8534139 DOI: 10.3390/cancers13205123] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/26/2022] Open
Abstract
Simple Summary Oral cancer affecting the oral cavity represents the most common cancer of the head and neck region. Oral cancer develops in a multistep process in which normal cells gradually accumulate genetic and epigenetic modifications to evolve into a malignant disease. Mortality for oral cancer patients is high and morbidity has a significant long-term impact on the health and wellbeing of affected individuals, typically resulting in facial disfigurement and a loss of the ability to speak, chew, taste, and swallow. The limited scope to which current treatments are able to control oral cancer underlines the need for novel therapeutic strategies. This review highlights the molecular differences between oral cell proliferation, differentiation and terminal differentiation, defines terminal differentiation as an important tumour suppressive mechanism and establishes a rationale for clinical investigation of differentiation-paired therapies that may improve outcomes in oral cancer. Abstract The oral epithelium is one of the fastest repairing and continuously renewing tissues. Stem cell activation within the basal layer of the oral epithelium fuels the rapid proliferation of multipotent progenitors. Stem cells first undergo asymmetric cell division that requires tightly controlled and orchestrated differentiation networks to maintain the pool of stem cells while producing progenitors fated for differentiation. Rapidly expanding progenitors subsequently commit to advanced differentiation programs towards terminal differentiation, a process that regulates the structural integrity and homeostasis of the oral epithelium. Therefore, the balance between differentiation and terminal differentiation of stem cells and their progeny ensures progenitors commitment to terminal differentiation and prevents epithelial transformation and oral squamous cell carcinoma (OSCC). A recent comprehensive molecular characterization of OSCC revealed that a disruption of terminal differentiation factors is indeed a common OSCC event and is superior to oncogenic activation. Here, we discuss the role of differentiation and terminal differentiation in maintaining oral epithelial homeostasis and define terminal differentiation as a critical tumour suppressive mechanism. We further highlight factors with crucial terminal differentiation functions and detail the underlying consequences of their loss. Switching on terminal differentiation in differentiated progenitors is likely to represent an extremely promising novel avenue that may improve therapeutic interventions against OSCC.
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13
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Nishimura T, Fujii K, Nakamura H, Naruki S, Sakai H, Kimura H, Miyazawa T, Takagi M, Furuya N, Marko-Varga G, Kato H, Saji H. Protein co-expression network-based profiles revealed from laser-microdissected cancerous cells of lung squamous-cell carcinomas. Sci Rep 2021; 11:20209. [PMID: 34642392 PMCID: PMC8511190 DOI: 10.1038/s41598-021-99695-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/30/2021] [Indexed: 01/06/2023] Open
Abstract
No therapeutic targets have been identified for lung squamous cell cancer (SqCC) which is the second most prevalent lung cancer because its molecular profiles remain unclear. This study aimed to unveil disease-related protein networks by proteomic and bioinformatic assessment of laser-microdissected cancerous cells from seven SqCCs compared with eight representative lung adenocarcinomas. We identified three network modules significant to lung SqCC using weighted gene co-expression network analysis. One module was intrinsically annotated to keratinization and cell proliferation of SqCC, accompanied by hypoxia-induced aerobic glycolysis, in which key regulators were activated (HIF1A, ROCK2, EFNA1-5) and highly suppressed (KMT2D). The other two modules were significant for translational initiation, nonsense-mediated mRNA decay, inhibited cell death, and interestingly, eIF2 signaling, in which key regulators, MYC and MLXIPL, were highly activated. Another key regulator LARP1, the master regulator in cap-dependent translation, was highly suppressed although upregulations were observed for hub proteins including EIF3F and LARP1 targeted ribosomal proteins, among which PS25 is the key ribosomal protein in IRES-dependent translation. Our results suggest an underlying progression mechanism largely caused by switching to the cap-independent, IRES-dependent translation of mRNA subsets encoding oncogenic proteins. Our findings may help to develop therapeutic strategies to improve patient outcomes.
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Affiliation(s)
- Toshihide Nishimura
- Department of Translational Medicine Informatics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan. .,Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
| | - Kiyonaga Fujii
- Department of Translational Medicine Informatics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.,Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.,Laboratory of Analytical Chemistry, Daiichi University of Pharmacy, Fukuoka, Fukuoka, 815-8511, Japan
| | - Haruhiko Nakamura
- Department of Translational Medicine Informatics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.,Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
| | - Saeko Naruki
- Department of Pathology, St. Marianna University Hospital, Kawasaki, Kanagawa, 216-8511, Japan
| | - Hiroki Sakai
- Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
| | - Hiroyuki Kimura
- Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
| | - Tomoyuki Miyazawa
- Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
| | - Masayuki Takagi
- Department of Pathology, St. Marianna University Hospital, Kawasaki, Kanagawa, 216-8511, Japan
| | - Naoki Furuya
- Division of Respiratory Medicine, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
| | - Gyorgy Marko-Varga
- Clinical Protein Science & Imaging, Biomedical Centre, Department of Biomedical Engineering, Lund University, BMC D13, 221 84, Lund, Sweden
| | - Harubumi Kato
- Tokyo Medical University, Tokyo, 160-0023, Japan.,International University of Health and Welfare, Tokyo, 107-8402, Japan
| | - Hisashi Saji
- Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan
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14
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Ruiz-Torres S, Lambert PF, Wikenheiser-Brokamp KA, Wells SI. Directed differentiation of human pluripotent stem cells into epidermal stem and progenitor cells. Mol Biol Rep 2021; 48:6213-6222. [PMID: 34350551 PMCID: PMC8504442 DOI: 10.1007/s11033-021-06588-3] [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: 09/11/2019] [Accepted: 07/21/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Pluripotent stem cells (PSCs) produced by somatic cell reprogramming self-renew in culture and can differentiate into any cell type, representing a powerful tool for disease modeling, drug screening, regenerative medicine, and the discovery of personalized therapies to treat tissue-specific pathologies. We previously reported the directed differentiation of human PSCs into epidermal stem and progenitor cells (ESPCs) and 3D epidermis to model the inherited syndrome Fanconi anemia (FA), wherein epidermal cell-junctional defects discovered using this system were validated in patient populations. Here, we describe in detail the corresponding protocol for generating PSC-derived keratinocytes using a distinct, normal PSC line (209.2 PSC). METHODS AND RESULTS Our approach modifies previous protocols to minimize spontaneous cell death and terminal differentiation, eliminate cell stress-inducing keratinocyte selection steps, and reduce total protocol duration and cost. Independent donor-derived PSC lines were converted into ESPCs through the addition of relevant morphogens and a ROCK inhibitor. Results for the 209.2 PSC line highlight consistencies in 2D and also variable features in 3D epidermis compared to the previously published FA-PSC lines. 209.2 PSC-derived ESPCs exhibited a basal cell phenotype while maintaining the capacity to form epidermal organotypic rafts with morphology consistent with fetal epidermis. Transcriptional analyses demonstrated 209.2 ESPCs express epidermis-selective markers and not early endoderm markers, thus supporting an immature stage of p63+ epidermal development. CONCLUSIONS This protocol provides an accelerated path for the generation of human ESPCs and 3D epidermal models to study normal epidermal development and homeostasis, elucidate mechanisms of epidermal disease pathogenesis, and provides a platform for developing personalized therapies.
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Affiliation(s)
- Sonya Ruiz-Torres
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Paul F Lambert
- McArdle Laboratory for Cancer Research, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Kathryn A Wikenheiser-Brokamp
- Division of Pathology and Laboratory Medicine and The Perinatal Institute Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Susanne I Wells
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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15
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Masre SF, Rath N, Olson MF, Greenhalgh DA. Epidermal ROCK2 induces AKT1/GSK3β/β-catenin, NFκB and dermal tenascin C; but enhanced differentiation and p53/p21 inhibit papilloma. Carcinogenesis 2021; 41:1409-1420. [PMID: 31907522 DOI: 10.1093/carcin/bgz205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 12/21/2019] [Accepted: 01/03/2020] [Indexed: 12/16/2022] Open
Abstract
ROCK2 roles in epidermal differentiation and carcinogenesis have been investigated in mice expressing an RU486-inducible, 4HT-activated ROCK2 transgene (K14.creP/lslROCKer). RU486/4HT-mediated ROCKer activation induced epidermal hyperplasia similar to cutaneous oncogenic rasHa (HK1.ras); however ROCKer did not elicit papillomas. Instead, anomalous basal-layer ROCKer expression corrupted normal ROCK2 roles underlying epidermal rigidity/stiffness and barrier maintanance, resulting in premature keratin K1, loricrin and filaggrin expression. Also, hyperproliferative/stress-associated keratin K6 was reduced; possibly reflecting altered ROCK2 roles in epidermal rigidity and keratinocyte flexibility/migration during wound healing. Consistent with increased proliferation, K14.creP/lslROCKer hyperplasia displayed supra-basal-to-basal increases in activated p-AKT1, inactivated p-GSK3β ser9 and membranous/nuclear β-catenin expression together with weak NFκB, which were absent in equivalent HK1.ras hyperplasia. Furthermore, ROCKer-mediated increases in epidermal rigidity via p-MypT1 inactivation/elevated MLC, coupled to anomalous β-catenin expression, induced tenascin C-positive dermal fibroblasts. Alongside an altered ECM, these latent tenascin C-positive dermal fibroblasts may become putative pre-cancer-associated fibroblasts (pre-CAFs) and establish a susceptibility that subsequently contributes to tumour progression. However, anomalous differentiation was also accompanied by an immediate increase in basal-layer p53/p21 expression; suggesting that while ROCK2/AKT1/β-catenin activation increased keratinocyte proliferation resulting in hyperplasia, compensatory p53/p21 and accelerated differentiation helped inhibit papillomatogenesis.
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Affiliation(s)
- Siti F Masre
- Section of Dermatology and Molecular Carcinogenesis, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, Glasgow University, Glasgow, UK
| | - Nicola Rath
- Molecular and Cellular Biology Laboratory, Cancer Research UK, Beatson Institute for Cancer Research, Garscube Estate, Glasgow, UK
| | - Michael F Olson
- Department of Chemistry and Biology, Ryerson University, Ryerson MaRS Research Facility MaRS Discovery District, West Tower 661 University Avenue Toronto, Ontario, Canada
| | - David A Greenhalgh
- Section of Dermatology and Molecular Carcinogenesis, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, Glasgow University, Glasgow, UK
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16
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Sah SK, Kanaujiya JK, Chen IP, Reichenberger EJ. Generation of Keratinocytes from Human Induced Pluripotent Stem Cells Under Defined Culture Conditions. Cell Reprogram 2020; 23:1-13. [PMID: 33373529 DOI: 10.1089/cell.2020.0046] [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: 11/12/2022] Open
Abstract
Differentiation of keratinocytes from human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) has become an important tool for wound healing research and for studying skin diseases in instances where patient cells are not available. Several keratinocyte differentiation protocols using hiPSC colony fragments or embryoid bodies have been published with some requiring prolonged time for differentiation or extended use of reagent cocktails. In this study, we present a simplified method to efficiently generate large numbers of uniformly differentiated keratinocytes in less than 4 weeks from singularized hiPSCs with differentiation factors, retinoic acid and bone morphogenetic protein 4 (BMP4). Low seeding density of singularized iPSCs results in keratinocyte cultures with minimum cell death during differentiation and up to 96% homogeneity for keratin 14-positive cells and low percentage of keratinocyte maturation markers, comparable to early passage primary keratinocytes. hiPSC-derived keratinocytes remain in a proliferative state, can be maintained for prolonged periods of time, and can be terminally differentiated under high calcium conditions in the same way as primary human keratinocytes. Moreover, coculturing hiPSC-derived fibroblasts and keratinocytes consistently formed organotypic 3D skin equivalents. Therefore, keratinocytes generated by this method are a viable source of cells for downstream applications.
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Affiliation(s)
- Shyam Kishor Sah
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health, Farmington, Connecticut, USA
| | - Jitendra K Kanaujiya
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health, Farmington, Connecticut, USA
| | - I-Ping Chen
- Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, University of Connecticut Health, Farmington, Connecticut, USA
| | - Ernst J Reichenberger
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health, Farmington, Connecticut, USA
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17
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Porazinski S, Parkin A, Pajic M. Rho-ROCK Signaling in Normal Physiology and as a Key Player in Shaping the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1223:99-127. [PMID: 32030687 DOI: 10.1007/978-3-030-35582-1_6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The Rho-ROCK signaling network has a range of specialized functions of key biological importance, including control of essential developmental processes such as morphogenesis and physiological processes including homeostasis, immunity, and wound healing. Deregulation of Rho-ROCK signaling actively contributes to multiple pathological conditions, and plays a major role in cancer development and progression. This dynamic network is critical in modulating the intricate communication between tumor cells, surrounding diverse stromal cells and the matrix, shaping the ever-changing microenvironment of aggressive tumors. In this chapter, we overview the complex regulation of the Rho-ROCK signaling axis, its role in health and disease, and analyze progress made with key approaches targeting the Rho-ROCK pathway for therapeutic benefit. Finally, we conclude by outlining likely future trends and key questions in the field of Rho-ROCK research, in particular surrounding Rho-ROCK signaling within the tumor microenvironment.
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Affiliation(s)
- Sean Porazinski
- Personalised Cancer Therapeutics Lab, The Kinghorn Cancer Centre, Sydney, NSW, Australia.,Faculty of Medicine, St Vincent's Clinical School, University of NSW, Sydney, NSW, Australia
| | - Ashleigh Parkin
- Personalised Cancer Therapeutics Lab, The Kinghorn Cancer Centre, Sydney, NSW, Australia
| | - Marina Pajic
- Personalised Cancer Therapeutics Lab, The Kinghorn Cancer Centre, Sydney, NSW, Australia. .,Faculty of Medicine, St Vincent's Clinical School, University of NSW, Sydney, NSW, Australia.
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18
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Sharma P, Roy K. ROCK-2-selective targeting and its therapeutic outcomes. Drug Discov Today 2020; 25:446-455. [DOI: 10.1016/j.drudis.2019.11.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/08/2019] [Accepted: 11/30/2019] [Indexed: 01/21/2023]
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19
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Zhang X, Qin J, Xie Z, Liu C, Su Y, Chen Z, Zhou Q, Ma C, Liu G, Paus R, Guo J, Wu X. Y-27632 preserves epidermal integrity in a human skin organ-culture (hSOC) system by regulating AKT and ERK signaling pathways. J Dermatol Sci 2019; 96:99-109. [PMID: 31718896 DOI: 10.1016/j.jdermsci.2019.10.006] [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: 06/18/2019] [Revised: 10/24/2019] [Accepted: 10/28/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The human skin organ culture (hSOC) developed a century ago has been widely used to study various aspects of human skin development, differentiation, function, disease as well as skin appendages biology, however, maintaining the integrity of epidermal structure in long-term culture, has remained a challenge. OBJECTIVES Here we tried to establish a culture system using supplemented William's E medium in the presence of a ROCK inhibitor Y-27632 to maintain epidermal architecture in the long-term hSOC and to investigate the underlying mechanisms. METHODS Human breast skins, cut into 5 mm × 5 mm pieces, were cultured in supplemented William's E medium in the presence of 30μM Y-27632. The cultured skin tissues were collected at different time points for analysis of epidermal cell proliferation and differentiation by real time qRT-PCR and immunofluorescence (IF) staining. The keratinocyte suspension assay and in vivo treatment of Y-27632 on mouse were also carried out to study that the regulation of Y-27632 on keratinocyte proliferation and differentiation. RESULTS We found Y-27632 not only enhanced both basal cell proliferation and expression of suprabasal cell differentiation markers, but also maintained the balance of keratinocyte proliferation and differentiation through activation of AKT pathways on one hand and inhibition of ERK pathways on the other hand. The AKT inhibitor MK-2206 blocked the epidermal preservation effect of Y-27632, while the MEK/ERK inhibitor U0126 enhanced the preservation of epidermal structure in the hSOC. CONCLUSIONS Y-227632 can maintain skin epidermal integrity through regulation of AKT and ERK activity in the hSOC.
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Affiliation(s)
- Xuan Zhang
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China; Department of Stomatology, The Second Hospital of Shandong University, Jinan, China
| | - Jing Qin
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Zhiwei Xie
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China; Department of Stomatology, Shengli Oilfield Central Hospital, Dongying, Shandong, China
| | - Chang Liu
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Yiqun Su
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Zhihong Chen
- Department of Urinary Surgery, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
| | - Qian Zhou
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Chuan Ma
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Guanyi Liu
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Ralf Paus
- Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA; Centre for Dermatology Research, University of Manchester and NIHR Biomedical Research Centre, Manchester, UK
| | - Jing Guo
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China.
| | - Xunwei Wu
- Department of Tissue Engineering and Regeneration, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China.
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20
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Fibronectin regulates the self-renewal of rabbit limbal epithelial stem cells by stimulating the Wnt11/Fzd7/ROCK non-canonical Wnt pathway. Exp Eye Res 2019; 185:107681. [DOI: 10.1016/j.exer.2019.05.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 04/23/2019] [Accepted: 05/26/2019] [Indexed: 12/13/2022]
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21
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Zhou Y. Most Good, Least Harm: Isoform-Specific Targeting of ROCK in Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2019; 58:421-422. [PMID: 29717880 DOI: 10.1165/rcmb.2017-0426ed] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Yong Zhou
- 1 Department of Medicine University of Alabama at Birmingham Birmingham, Alabama
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22
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Abstract
The study aimed to measure the presence of rho-associated protein kinase 1 (ROCK1) mRNA in serum samples collected from glioma and investigate its diagnostic significance in glioma.The presence of ROCK1 mRNA was examined by quantitative real-time polymerase chain reaction (qRT-PCR). The relationship between ROCK1 mRNA and clinical characteristics was analyzed via Chi-square test. The criteria of diagnosis evaluation, including sensitivity, specificity, optimal cutoff point, and area under the curve (AUC) were determined through the receiver operating characteristic (ROC) curve analysis.ROCK1 mRNA was significantly increased in serum samples collected from glioma patients compared to the controls (P <.05). Besides, high ROCK1 mRNA expression was tightly related with Karnofsky Performance Status (KPS) score (P = .024) and World Health Organization (WHO) grade (P = .029). However, there was no association between ROCK1 expression and gender, neurological disorders, family history and cigarette smoking (all, P >.05). In addition, the optimal cutoff point was 3.025, with the sensitivity and specificity of 88.89% and 79.25%, respectively. The AUC was 0.881, indicating that ROCK1 was a diagnostic biomarker for glioma patients (P <.0001, 95% CI = 0.829-0.933).Serum ROCK1 mRNA is significantly up-regulated in glioma cases compared to healthy controls. ROCK1 may be a potential diagnostic biomarker in glioma.
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Affiliation(s)
- Yunyang Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital
- Department of Neurosurgery, Tianjin First Central Hospital
| | - Jianjun Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital
- Department of Neurosurgery, Tianjin 4th Center Hospital, Tianjin, China
| | - Dong Wang
- Department of Neurosurgery, Tianjin 4th Center Hospital, Tianjin, China
| | - Xinyu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital
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23
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Sai C, Yunhan J, Zhao J, Yu Z, Yun Z, Zhezhe C, Fuqin T, Yingbin X, Ruiyan M. Cyclin Dependent Kinase 1 (CDK1) Activates Cardiac Fibroblasts via Directly Phosphorylating Paxillin at Ser244. Int Heart J 2019; 60:374-383. [PMID: 30745530 DOI: 10.1536/ihj.18-073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Atrial fibrillation has caused severe burden for people worldwide. Differentiation of fibroblasts into myofibroblasts, and consequent progress in atrial structural remodeling have been considered the basis for persistent atrial fibrillation, yet little is known about the molecular mechanisms underlying the process. Here, we show that cyclin-dependent kinase 1 (CDK1) is activated in atrial fibroblasts from patients with atrial fibrillation (AFPAF) and in platelet derived growth factor BB (PDGF-BB)-treated atrial fibroblasts from patients with sinus rhythm (AFPSR). We also demonstrate that inhibition of CDK1 suppresses fibroblast differentiation and focal adhesion (FA) complex formation. The FA protein paxillin is phosphorylated directly at Ser244 by CDK1. Importantly, transfection of a paxillin construct harboring a Ser to Ala mutation causes FA complex disassembly and greatly inhibits fibroblast activation. AFPSRs applied with a lentiviral vector carrying the shRNA sequence of paxillin dramatically prevents PDGF-BB induced functional activation. Taken together, all these results suggest that phosphorylation of paxillin at Ser244 by CDK1 is a key mechanism in fibroblast differentiation and could eventually assist atrial fibrosis.
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Affiliation(s)
- Chen Sai
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Jiang Yunhan
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Jian Zhao
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Zhu Yu
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Zhu Yun
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Cao Zhezhe
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Tang Fuqin
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Xiao Yingbin
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
| | - Ma Ruiyan
- Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University
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24
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An L, Ling P, Cui J, Wang J, Zhu X, Liu J, Dai Y, Liu Y, Yang L, Du F. ROCK inhibitor Y-27632 maintains the propagation and characteristics of hair follicle stem cells. Am J Transl Res 2018; 10:3689-3700. [PMID: 30662619 PMCID: PMC6291721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 10/16/2018] [Indexed: 06/09/2023]
Abstract
Hair follicle stem cells (HFSCs) are an important source for skin tissue engineering studies and clinical applications. Here, we describe a differential enrichment approach to derive HFSCs from hair follicles of vibrissae and ear skin using the Rho-associated protein kinase (ROCK) inhibitor Y-27632. In the presence of Y-27632, primary cultured hair follicle cells grew in clustered colonies surrounded by keratinocyte-like cells and simultaneously expressed three HFSC markers: CD34, K15, and ITGB1. HFSCs cultured in medium containing Y-27632 were presented at a stable ratio of 30.7%, 34.1%, and 32.9% after passages 5, 10, and 15, respectively. By contrast, in medium containing epidermal growth factor, clustered HFSC colonies disappeared after 6 passages and lacked HFSC marker expression. After withdrawal of Y-27632 from the medium, HFSCs rapidly differentiated into keratinocyte-like cells. Furthermore, HFSCs derived with Y-27632 formed spherical clusters in collagen matrix in vitro, differentiated into keratinocytes and adipose cells under in vitro induction conditions, and cooperated with fetal dermal cells to regenerate hair follicles in vivo 6 weeks after their intracutaneous injection into immune-deficient mice. These findings suggest that Y-27632 maintains the self-renewal and stemness characteristics of HFSCs during primary skin tissue culture followed by enrichment passaging and that HFSCs derived with Y-27632 possess the differentiation potentials important for tissue engineering and other clinical applications.
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Affiliation(s)
- Liyou An
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Pingping Ling
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Jing Cui
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Jiqiang Wang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Xiumei Zhu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Jiao Liu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Yujian Dai
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Yanhong Liu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
| | - Lan Yang
- Lannuo Biotechnologies Wuxi Inc.Wuxi 214000, PR China
| | - Fuliang Du
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal UniversityNanjing 210046, PR China
- Lannuo Biotechnologies Wuxi Inc.Wuxi 214000, PR China
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25
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Chen W, Nyuydzefe MS, Weiss JM, Zhang J, Waksal SD, Zanin-Zhorov A. ROCK2, but not ROCK1 interacts with phosphorylated STAT3 and co-occupies TH17/TFH gene promoters in TH17-activated human T cells. Sci Rep 2018; 8:16636. [PMID: 30413785 PMCID: PMC6226480 DOI: 10.1038/s41598-018-35109-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/30/2018] [Indexed: 02/04/2023] Open
Abstract
Rho-associated coiled-coil kinase (ROCK)2 targeting down-regulates autoimmune responses in animal models and patients, however the underlying molecular mechanism is still an enigma. We report that ROCK2 binds phosphorylated-STAT3 and its kinase activity controls the formation of ROCK2/STAT3/JAK2 complex and optimal STAT3 phosphorylation in human CD4+ T cells during T helper 17 (TH17)-skewing. Moreover, chromatin-immunoprecipitation sequencing (ChIP-seq) analysis revealed that, genome-wide, about 70% of ROCK2 and STAT3 peaks overlapped and co-localized to several key genes controlling TH17 and T follicular helper (TFH) cell functions. Specifically, the co-occupancy of ROCK2 and STAT3 on the Irf4 and Bcl6 genes was validated by ChIP-qPCR analysis. Furthermore, the binding of ROCK2 to both the Irf4 and Bcl6 promoters was attenuated by STAT3 silencing as well as by selective ROCK2 inhibitor. Thus, the present study demonstrated previously unidentified evidence that ROCK2-mediated signaling in the cytosol provides a positive feed-forward signal for nuclear ROCK2 to be recruited to the chromatin by STAT3 and potentially regulates TH17/TFH gene transcription.
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Affiliation(s)
- Wei Chen
- Kadmon Corporation, LLC, New York, NY, 10016, USA
| | | | | | - Jingya Zhang
- Kadmon Corporation, LLC, New York, NY, 10016, USA
| | - Samuel D Waksal
- Kadmon Corporation, LLC, New York, NY, 10016, USA.,Current Weill Cornell Medicine, New York, NY, 10021, USA
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26
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Zarkoob H, Chinnathambi S, Selby JC, Sander EA. Substrate deformations induce directed keratinocyte migration. J R Soc Interface 2018; 15:20180133. [PMID: 29899159 PMCID: PMC6030620 DOI: 10.1098/rsif.2018.0133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/18/2018] [Indexed: 12/18/2022] Open
Abstract
Cell migration is an essential part of many (patho)physiological processes, including keratinocyte re-epithelialization of healing wounds. Physical forces and mechanical cues from the wound bed (in addition to biochemical signals) may also play an important role in the healing process. Previously, we explored this possibility and found that polyacrylamide (PA) gel stiffness affected human keratinocyte behaviour and that mechanical deformations in soft (approx. 1.2 kPa) PA gels produced by neighbouring cells appeared to influence the process of de novo epithelial sheet formation. To clearly demonstrate that keratinocytes do respond to such deformations, we conducted a series of experiments where we observed the response of single keratinocytes to a prescribed local substrate deformation that mimicked a neighbouring cell or evolving multicellular aggregate via a servo-controlled microneedle. We also examined the effect of adding either Y27632 or blebbistatin on cell response. Our results indicate that keratinocytes do sense and respond to mechanical signals comparable to those that originate from substrate deformations imposed by neighbouring cells, a finding that could have important implications for the process of keratinocyte re-epithelialization that takes place during wound healing. Furthermore, the Rho/ROCK pathway and the engagement of NM II are both essential to substrate deformation-directed keratinocyte migration.
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Affiliation(s)
- Hoda Zarkoob
- Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA, USA
| | - Sathivel Chinnathambi
- Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA, USA
| | - John C Selby
- Department of Dermatology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Edward A Sander
- Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA, USA
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27
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Park JT, Kang HT, Park CH, Lee YS, Cho KA, Park SC. A crucial role of ROCK for alleviation of senescence-associated phenotype. Exp Gerontol 2018; 106:8-15. [DOI: 10.1016/j.exger.2018.02.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 02/09/2018] [Accepted: 02/10/2018] [Indexed: 01/24/2023]
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28
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Lisowska J, Rödel CJ, Manet S, Miroshnikova YA, Boyault C, Planus E, De Mets R, Lee HH, Destaing O, Mertani H, Boulday G, Tournier-Lasserve E, Balland M, Abdelilah-Seyfried S, Albiges-Rizo C, Faurobert E. Cerebral Cavernous Malformation 1/2 complex controls ROCK1 and ROCK2 complementary functions for endothelial integrity. J Cell Sci 2018; 131:jcs.216093. [DOI: 10.1242/jcs.216093] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 07/03/2018] [Indexed: 12/30/2022] Open
Abstract
Endothelial integrity relies on a mechanical crosstalk between intercellular and cell-matrix interactions. This cross-talk is compromised in hemorrhagic vascular lesions of patients carrying loss-of-function mutations in CCM genes. RhoA/ROCK-dependent cytoskeletal remodeling is central to the disease as it causes unbalanced cell adhesion towards increased cell-extracellular matrix adhesions and destabilized cell-cell junctions. Our study reveals that CCM proteins directly orchestrate ROCK1 and ROCK2 complementary roles on the mechanics of the endothelium. CCM proteins act as a scaffold promoting ROCK2 interactions with VE-cadherin and limiting ROCK1 kinase activity. Loss of CCM1 produces excessive ROCK1-dependent actin stress fibers and destabilizes intercellular junctions. Silencing of ROCK1 but not ROCK2 restores the adhesive and mechanical homeostasis of CCM1/2-depleted endothelial monolayers and rescues cardiovascular defects of ccm1 mutant zebrafish embryos. Conversely, knocking down of Rock2 but not Rock1 in WT zebrafish embryos generates defects reminiscent of the ccm1 mutant phenotypes. Our study uncovers the role of the CCM complex in controlling ROCK1 and ROCK2 to preserve endothelial integrity and drive heart morphogenesis. Moreover, it identifies solely the ROCK1 isoform as therapeutic target for the CCM disease.
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Affiliation(s)
- Justyna Lisowska
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Claudia Jasmin Rödel
- Institute of Biochemistry and Biology, Potsdam University, D-14476 Potsdam, Germany
| | - Sandra Manet
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Yekaterina A. Miroshnikova
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Cyril Boyault
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Emmanuelle Planus
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Richard De Mets
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5588 LIPhy, F-38041 Grenoble, France
| | - Hsiao-Hui Lee
- Department of Life Sciences & Institute of Genome Sciences, National Yang-Ming University, Taipei City 112, Taiwan
| | - Olivier Destaing
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Hichem Mertani
- INSERM UMR 1052, CNRS 5286 CRCL Centre Léon Bérard F-69373 Lyon Cedex 08, France
| | - Gwénola Boulday
- INSERM, UMR-S1161, Paris, F-75010, France
- Univ Paris Diderot, Sorbonne Paris Cité, UMR-S1161, Paris, F-75010, France
- AP-HP, Groupe hospitalier Saint-Louis Lariboisiere-Fernand-Widal, Paris, F-75010, France
| | - Elisabeth Tournier-Lasserve
- INSERM, UMR-S1161, Paris, F-75010, France
- Univ Paris Diderot, Sorbonne Paris Cité, UMR-S1161, Paris, F-75010, France
- AP-HP, Groupe hospitalier Saint-Louis Lariboisiere-Fernand-Widal, Paris, F-75010, France
| | - Martial Balland
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5588 LIPhy, F-38041 Grenoble, France
| | - Salim Abdelilah-Seyfried
- Institute of Biochemistry and Biology, Potsdam University, D-14476 Potsdam, Germany
- Institute of Molecular Biology, Hannover Medical School, D-30625 Hannover, Germany
| | - Corinne Albiges-Rizo
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
| | - Eva Faurobert
- INSERM U1209, Institute for Advanced Biosciences, F-38700 La Tronche, France
- Université Grenoble Alpes , F-38042 Grenoble, France
- CNRS UMR 5309, Institute for Advanced Biosciences F-38700 La Tronche, France
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29
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Grayson AK, Hearnden V, Bolt R, Jebreel A, Colley HE, Murdoch C. Use of a Rho kinase inhibitor to increase human tonsil keratinocyte longevity for three-dimensional, tissue engineered tonsil epithelium equivalents. J Tissue Eng Regen Med 2017; 12:e1636-e1646. [PMID: 29048773 DOI: 10.1002/term.2590] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 09/18/2017] [Accepted: 10/09/2017] [Indexed: 12/25/2022]
Abstract
The generation of tissue-engineered epithelial models is often hampered by the limited proliferative capacity of primary epithelial cells. This study aimed to isolate normal tonsillar keratinocytes (NTK) from human tonsils, increase the lifespan of these cells using the Rho kinase inhibitor Y-27632 and to develop tissue-engineered equivalents of healthy and infected tonsil epithelium. The proliferation rate of isolated NTK and expression of c-MYC and p16INK4A were measured in the absence or presence of the inhibitor. Y-27632-treated NTK were used to generate tissue-engineered tonsil epithelium equivalents using de-epidermised dermis that were then incubated with Streptococcus pyogenes to model bacterial tonsillitis, and the expression of pro-inflammatory cytokines was measured by cytokine array and ELISA. NTK cultured in the absence of Y-27632 rapidly senesced whereas cells cultured in the presence of this inhibitor proliferated for over 30 population doublings without changing their phenotype. Y-27632-treated NTK produced a multi-layered differentiated epithelium that histologically resembled normal tonsillar surface epithelium and responded to S. pyogenes infection by increased expression of pro-inflammatory cytokines including CXCL5 and IL-6. NTK can be isolated and successfully cultured in vitro with Y-27632 leading to a markedly prolonged lifespan without any deleterious consequences to cell morphology. This functional tissue-engineered equivalent of tonsil epithelium will provide a valuable tool for studying tonsil biology and host-pathogen interactions in a more physiologically relevant manner.
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Affiliation(s)
- Amy K Grayson
- School of Clinical Dentistry, Claremont Crescent, University of Sheffield, UK
| | - Vanessa Hearnden
- Department of Materials Science and Engineering, University of Sheffield, UK
| | - Robert Bolt
- School of Clinical Dentistry, Claremont Crescent, University of Sheffield, UK
| | - Ala Jebreel
- Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, UK
| | - Helen E Colley
- School of Clinical Dentistry, Claremont Crescent, University of Sheffield, UK
| | - Craig Murdoch
- School of Clinical Dentistry, Claremont Crescent, University of Sheffield, UK
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30
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Li X, Su R, Wan W, Zhang W, Jiang H, Qiao X, Fan Y, Zhang Y, Wang R, Liu Z, Wang Z, Liu B, Ma Y, Zhang H, Zhao Q, Zhong T, Di R, Jiang Y, Chen W, Wang W, Dong Y, Li J. Identification of selection signals by large-scale whole-genome resequencing of cashmere goats. Sci Rep 2017; 7:15142. [PMID: 29123196 PMCID: PMC5680388 DOI: 10.1038/s41598-017-15516-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 10/27/2017] [Indexed: 01/14/2023] Open
Abstract
Inner Mongolia and Liaoning cashmere goats are two outstanding Chinese multipurpose breeds that adapt well to the semi-arid temperate grassland. These two breeds are characterized by their soft cashmere fibers, thus making them great models to identify genomic regions that are associated with cashmere fiber traits. Whole-genome sequencing of 70 cashmere goats produced more than 5.52 million single-nucleotide polymorphisms and 710,600 short insertions and deletions. Further analysis of these genetic variants showed some population-specific molecular markers for the two cashmere goat breeds that are otherwise phenotypically similar. By analyzing FST and θπ outlier values, we identified 135 genomic regions that were associated with cashmere fiber traits within the cashmere goat populations. These selected genomic regions contained genes, which are potential involved in the production of cashmere fiber, such as FGF5, SGK3, IGFBP7, OXTR, and ROCK1. Gene ontology enrichment analysis of identified short insertions and deletions also showed enrichment in keratinocyte differentiation and epidermal cell differentiation. These findings demonstrate that this genomic resource will facilitate the breeding of cashmere goat and other Capra species in future.
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Affiliation(s)
- Xiaokai Li
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Rui Su
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China
| | - Wenting Wan
- Center for Ecological and Environmental Sciences, Key Laboratory for Space Bioscience & Biotechnology, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Wenguang Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Huaizhi Jiang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin, 130118, China
| | - Xian Qiao
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Yixing Fan
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Yanjun Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Ruijun Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Zhihong Liu
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Zhiying Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China
| | - Bin Liu
- Institute of Animal Husbandry, Academy of Agriculture and Stockbreeding Sciences, Hohhot, Inner Mongolia, 010030, China
| | - Yuehui Ma
- The Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Hongping Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qianjun Zhao
- The Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Tao Zhong
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ran Di
- The Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yu Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Wei Chen
- College of Biological Big Data, Yunnan Agriculture University, Kunming, Yunnan, 650504, China.,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, Yunnan, 650201, China
| | - Wen Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650223, China.
| | - Yang Dong
- College of Biological Big Data, Yunnan Agriculture University, Kunming, Yunnan, 650504, China. .,BGI-Shenzhen, Shenzhen, Guangdong, 518083, China. .,Yunnan Research Institute for Local Plateau Agriculture and Industry, Kunming, Yunnan, 650201, China.
| | - Jinquan Li
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China. .,Key Laboratory of Animal Genetics, Breeding and Reproduction - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China. .,Key Laboratory of Mutton Sheep Genetics and Breeding, Ministry of Agriculture, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China. .,Engineering Research Center for Goat Genetics and Breeding - Inner Mongolia Autonomous Region, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, 010018, China.
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31
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Asrani K, Sood A, Torres A, Georgess D, Phatak P, Kaur H, Dubin A, Talbot CC, Elhelu L, Ewald AJ, Xiao B, Worley P, Lotan TL. mTORC1 loss impairs epidermal adhesion via TGF-β/Rho kinase activation. J Clin Invest 2017; 127:4001-4017. [PMID: 28945203 DOI: 10.1172/jci92893] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 08/02/2017] [Indexed: 12/14/2022] Open
Abstract
Despite its central position in oncogenic intracellular signaling networks, the role of mTORC1 in epithelial development has not been studied extensively in vivo. Here, we have used the epidermis as a model system to elucidate the cellular effects and signaling feedback sequelae of mTORC1 loss of function in epithelial tissue. In mice with conditional epidermal loss of the mTORC1 components Rheb or Rptor, mTORC1 loss of function unexpectedly resulted in a profound skin barrier defect with epidermal abrasions, blistering, and early postnatal lethality, due to a thinned epidermis with decreased desmosomal protein expression and incomplete biochemical differentiation. In mice with mTORC1 loss of function, we found that Rho kinase (ROCK) signaling was constitutively activated, resulting in increased cytoskeletal tension and impaired cell-cell adhesion. Inhibition or silencing of ROCK1 was sufficient to rescue keratinocyte adhesion and biochemical differentiation in these mice. mTORC1 loss of function also resulted in marked feedback upregulation of upstream TGF-β signaling, triggering ROCK activity and its downstream effects on desmosomal gene expression. These findings elucidate a role for mTORC1 in the regulation of epithelial barrier formation, cytoskeletal tension, and cell adhesion, underscoring the complexity of signaling feedback following mTORC1 inhibition.
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Affiliation(s)
| | | | | | - Dan Georgess
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Pornima Phatak
- Baltimore Veterans Affairs Medical Center, Baltimore, Maryland, USA
| | | | | | | | | | - Andrew J Ewald
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Oncology, and
| | - Bo Xiao
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Paul Worley
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Tamara L Lotan
- Department of Pathology and.,Department of Oncology, and
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32
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Amaya CN, Mitchell DC, Bryan BA. Rho kinase proteins display aberrant upregulation in vascular tumors and contribute to vascular tumor growth. BMC Cancer 2017; 17:485. [PMID: 28709411 PMCID: PMC5513090 DOI: 10.1186/s12885-017-3470-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 07/02/2017] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The serine/threonine protein kinases ROCK1 and 2 are key RhoA-mediated regulators of cell shape and cytoskeletal dynamics. These proteins perform multiple functions in vascular endothelial cell physiology and are attractive targets for cancer therapy based on their roles as oncogenes and metastatic promoters. Given their critical functions in both of these processes, we hypothesized that molecular targeting of ROCK proteins would be exceedingly effective against vascular tumors such as hemangiomas and angiosarcomas, which are neoplasms composed of aberrant endothelial cells. METHODS In this study, we compared ROCK1 and 2 protein expression in a large panel of benign and malignant vascular tumors to that of normal vasculature. We then utilized shRNA technology to knockdown the expression of ROCK1 and 2 in SVR tumor-forming vascular cells, and evaluated tumor size and proliferation rate in a xenograft model. Finally, we employed proteomics and metabolomics to assess how knockdown of the ROCK paralogs induced alterations in protein expression/phosphorylation and metabolite concentrations in the xenograft tumors. RESULTS Our findings revealed that ROCK1 was overexpressed in malignant vascular tumors such as hemangioendotheliomas and angiosarcomas, and ROCK2 was overexpressed in both benign and malignant vascular tumors including hemangiomas, hemangioendotheliomas, hemangiopericytomas, and angiosarcomas. shRNA-mediated knockdown of ROCK2, but not ROCK1, in xenograft vascular tumors significantly reduced tumor size and proliferative index compared to control tumors. Proteomics and metabolomics analysis of the xenograft tumors revealed both overlapping as well as unique roles for the ROCK paralogs in regulating signal transduction and metabolite concentrations. CONCLUSIONS Collectively, these data indicate that ROCK proteins are overexpressed in diverse vascular tumors and suggest that specific targeting of ROCK2 proteins may show efficacy against malignant vascular tumors.
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Affiliation(s)
- Clarissa N Amaya
- Department of Biomedical Sciences, Texas Tech University Health Sciences Center, Paul L. Foster School of Medicine, Center of Excellence in Cancer Research, 5001 El Paso Drive, MSB1 Room 2111, El Paso, TX, 79905, USA
| | - Dianne C Mitchell
- Minerva Genetics, 5130 Gateway Blvd East, Suite 315, El Paso, TX, 79905, USA
| | - Brad A Bryan
- Department of Biomedical Sciences, Texas Tech University Health Sciences Center, Paul L. Foster School of Medicine, Center of Excellence in Cancer Research, 5001 El Paso Drive, MSB1 Room 2111, El Paso, TX, 79905, USA. .,Minerva Genetics, 5130 Gateway Blvd East, Suite 315, El Paso, TX, 79905, USA.
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33
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Quantitative Phosphoproteomics Reveals a Role for Collapsin Response Mediator Protein 2 in PDGF-Induced Cell Migration. Sci Rep 2017. [PMID: 28638064 PMCID: PMC5479788 DOI: 10.1038/s41598-017-04015-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The Platelet Derived Growth Factor (PDGF) family of ligands have well established functions in the induction of cell proliferation and migration during development, tissue homeostasis and interactions between tumours and stroma. However, the mechanisms by which these actions are executed are incompletely understood. Here we report a differential phosphoproteomics study, using a SILAC approach, of PDGF-stimulated mouse embryonic fibroblasts (MEFs). 116 phospho-sites were identified as up-regulated and 45 down-regulated in response to PDGF stimulation. These encompass proteins involved in cell adhesion, cytoskeleton regulation and vesicle-mediated transport, significantly expanding the range of proteins implicated in PDGF signalling pathways. Included in the down-regulated class was the microtubule bundling protein Collapsin Response Mediator Protein 2 (CRMP2). In response to stimulation with PDGF, CRMP2 was dephosphorylated on Thr514, an event known to increase CRMP2 activity. This was reversed in the presence of micromolar concentrations of the protein phosphatase inhibitor okadaic acid, implicating PDGF-induced activation of protein phosphatase 1 (PP1) in CRMP2 regulation. Depletion of CRMP2 resulted in impairment of PDGF-mediated cell migration in an in vitro wound healing assay. These results show that CRMP2 is required for PDGF-directed cell migration in vitro.
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34
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Blocking RhoA/ROCK inhibits the pathogenesis of pemphigus vulgaris by suppressing oxidative stress and apoptosis through TAK1/NOD2-mediated NF-κB pathway. Mol Cell Biochem 2017; 436:151-158. [DOI: 10.1007/s11010-017-3086-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 05/30/2017] [Indexed: 10/19/2022]
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The interplay between histone deacetylases and rho kinases is important for cancer and neurodegeneration. Cytokine Growth Factor Rev 2017; 37:29-45. [PMID: 28606734 DOI: 10.1016/j.cytogfr.2017.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 05/18/2017] [Accepted: 05/21/2017] [Indexed: 12/24/2022]
Abstract
Rho associated coiled-coil containing kinases (ROCKs) respond to defined extra- and intracellular stimuli to control cell migration, cell proliferation, and apoptosis. Histone deacetylases (HDACs) are epigenetic modifiers that regulate nuclear and cytoplasmic signaling through the deacetylation of histones and non-histone proteins. ROCK and HDAC functions are important compounds of basic and applied research interests. Recent evidence suggests a physiologically important interplay between HDACs and ROCKs in various cells and organisms. Here we summarize the crosstalk between these enzymatic families and its implications for cancer and neurodegeneration.
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Masre SF, Rath N, Olson MF, Greenhalgh DA. ROCK2/ras Ha co-operation induces malignant conversion via p53 loss, elevated NF-κB and tenascin C-associated rigidity, but p21 inhibits ROCK2/NF-κB-mediated progression. Oncogene 2017; 36:2529-2542. [PMID: 27991921 DOI: 10.1038/onc.2016.402] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 07/20/2016] [Accepted: 09/23/2016] [Indexed: 02/07/2023]
Abstract
To study ROCK2 activation in carcinogenesis, mice expressing 4-hydroxytamoxifen (4HT)-activated ROCK2 (K14.ROCKer) were crossed with mice expressing epidermal-activated rasHa (HK1.ras1205). At 8 weeks, 4HT-treated K14.ROCKer/HK1.ras1205 cohorts exhibited papillomas similar to HK1.ras1205 controls; however, K14.ROCKer/HK1.ras1205 histotypes comprised a mixed papilloma/well-differentiated squamous cell carcinoma (wdSCC), exhibiting p53 loss, increased proliferation and novel NF-κB expression. By 12 weeks, K14.ROCKer/HK1.ras1205 wdSCCs exhibited increased NF-κB and novel tenascin C, indicative of elevated rigidity; yet despite continued ROCK2 activities/p-Mypt1 inactivation, progression to SCC required loss of compensatory p21 expression. K14.ROCKer/HK1.ras1205 papillomatogenesis also required a wound promotion stimulus, confirmed by breeding K14.ROCKer into promotion-insensitive HK1.ras1276 mice, suggesting a permissive K14.ROCKer/HK1.ras1205 papilloma context (wound-promoted/NF-κB+/p53-/p21+) preceded K14.ROCKer-mediated (p-Mypt1/tenascin C/rigidity) malignant conversion. Malignancy depended on ROCKer/p-Mypt1 expression, as cessation of 4HT treatment induced disorganized tissue architecture and p21-associated differentiation in wdSCCs; yet tenascin C retention in connective tissue extracellular matrix suggests the rigidity laid down for conversion persists. Novel papilloma outgrowths appeared expressing intense, basal layer p21 that confined endogenous ROCK2/p-Mypt1/NF-κB to supra-basal layers, and was paralleled by restored basal layer p53. In later SCCs, 4HT cessation became irrelevant as endogenous ROCK2 expression increased, driving progression via p21 loss, elevated NF-κB expression and tenascin C-associated rigidity, with p-Mypt1 inactivation/actinomyosin-mediated contractility to facilitate invasion. However, p21-associated inhibition of early-stage malignant progression and the intense expression in papilloma outgrowths, identifies a novel, significant antagonism between p21 and rasHa/ROCK2/NF-κB signalling in skin carcinogenesis. Collectively, these data show that ROCK2 activation induces malignancy in rasHa-initiated/promoted papillomas in the context of p53 loss and novel NF-κB expression, whereas increased tissue rigidity and cell motility/contractility help mediate tumour progression.
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Affiliation(s)
- S F Masre
- Section of Dermatology and Molecular Carcinogenesis, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, Glasgow University, Glasgow, UK
- Biomedical Science Programme, School of Diagnostic and Applied Health Sciences, Faculty of Allied Health Sciences, University of Kebangsaan, National University of Malaysia, Kuala Lumpur, Malaysia
| | - N Rath
- Molecular Cell Biology Laboratory, Cancer Research UK, Beatson Institute for Cancer Research, Garscube Estate, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - M F Olson
- Molecular Cell Biology Laboratory, Cancer Research UK, Beatson Institute for Cancer Research, Garscube Estate, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - D A Greenhalgh
- Section of Dermatology and Molecular Carcinogenesis, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, Glasgow University, Glasgow, UK
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Dorard C, Vucak G, Baccarini M. Deciphering the RAS/ERK pathway in vivo. Biochem Soc Trans 2017; 45:27-36. [PMID: 28202657 DOI: 10.1042/bst20160135] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 11/03/2016] [Accepted: 11/07/2016] [Indexed: 12/19/2022]
Abstract
The RAS/ERK pathway has been intensely studied for about three decades, not least because of its role in human pathologies. ERK activation is observed in the majority of human cancers; in about one-third of them, it is driven by mutational activation of pathway components. The pathway is arguably one of the best targets for molecule-based pharmacological intervention, and several small-molecule inhibitors are in clinical use. Genetically engineered mouse models have greatly contributed to our understanding of signaling pathways in development, tissue homeostasis, and disease. In the specific case of the RAS/ERK pathway, they have revealed unique biological roles of structurally and functionally similar proteins, new kinase-independent effectors, and unsuspected relationships with other cascades. This short review summarizes the contribution of mouse models to our current understanding of the pathway.
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Affiliation(s)
- Coralie Dorard
- Max F. Perutz Laboratories, Center for Molecular Biology, University of Vienna, Vienna 1030, Austria
| | - Georg Vucak
- Max F. Perutz Laboratories, Center for Molecular Biology, University of Vienna, Vienna 1030, Austria
| | - Manuela Baccarini
- Max F. Perutz Laboratories, Center for Molecular Biology, University of Vienna, Vienna 1030, Austria
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Functions of Rho family of small GTPases and Rho-associated coiled-coil kinases in bone cells during differentiation and mineralization. Biochim Biophys Acta Gen Subj 2017; 1861:1009-1023. [PMID: 28188861 DOI: 10.1016/j.bbagen.2017.02.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 02/02/2017] [Accepted: 02/06/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Members of Rho-associated coiled-coil kinases (ROCKs) are effectors of Rho family of small GTPases. ROCKs have multiple functions that include regulation of cellular contraction and polarity, adhesion, motility, proliferation, apoptosis, differentiation, maturation and remodeling of the extracellular matrix (ECM). SCOPE OF THE REVIEW Here, we focus on the action of RhoA and RhoA effectors, ROCK1 and ROCK2, in cells related to tissue mineralization: mesenchymal stem cells, chondrocytes, preosteoblasts, osteoblasts, osteocytes, lining cells and osteoclasts. MAJOR CONCLUSIONS The activation of the RhoA/ROCK pathway promotes stress fiber formation and reduces chondrocyte and osteogenic differentiations, in contrast to that in mesenchymal stem cells which stimulated the osteogenic and the chondrogenic differentiation. The effects of Rac1 and Cdc42 in promoting chondrocyte hypertrophy and of Rac1, Rac2 and Cdc42 in osteoclast are discussed. In addition, members of the Rho family of GTPases such Rac1, Rac2, Rac3 and Cdc42, acting upstream of ROCK and/or other protein effectors, may compensate the actions of RhoA, affecting directly or indirectly the actions of ROCKs as well as other protein effectors. GENERAL SIGNIFICANCE ROCK activity can trigger cartilage degradation and affect bone formation, therefore these kinases may represent a possible therapeutic target to treat osteoarthritis and osseous diseases. Inhibition of Rho/ROCK activity in chondrocytes prevents cartilage degradation, stimulate mineralization of osteoblasts and facilitate bone formation around implanted metals. Treatment with osteoprotegerin results in a significant decrease in the expression of Rho GTPases, ROCK1 and ROCK2, reducing bone resorption. Inhibition of ROCK signaling increases osteoblast differentiation in a topography-dependent manner.
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Expression of Wnt11 and Rock2 in esophageal squamous cell carcinoma by activation of the WNT/PCP pathway and its clinical significance. Pathol Res Pract 2016; 212:880-885. [PMID: 27628667 DOI: 10.1016/j.prp.2016.07.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2015] [Revised: 07/02/2016] [Accepted: 07/14/2016] [Indexed: 12/30/2022]
Abstract
The purpose of this study was to investigate the relation between expression of Wnt11, Rho-associated protein kinase 2 (Rock2), and its clinical characteristics in esophageal squamous cell carcinoma (ESCC). Expression of Wnt11 and Rock2 protein was examined by using immunohistochemistry that contained 260 paraffin-embedded specimens of ESCC and its adjacent normal tissues; expression of Wnt11 and Rock2 protein was verified by Western-blotting that contained 20 specimens of ESCC and its adjacent normal tissues. The positive rates of Wnt11 protein in normal esophageal epithelium tissue was 29.8% and in esophageal carcinomas tissue was 31.9%; there was no significant difference between the two groups(P>0.05); The positive rates of Rock2 protein in normal esophageal epithelium tissue was 12.3% and in esophageal carcinomas tissues was 56.5%, there was a significant difference between the two groups (p<0.05). The expression of Rock2 protein was significantly related with the invasion of vascular and there was no significantly difference between the expression of Rock2 protein and ESCC patients' tumor location, differentiation, T stage, and lymph node metastases. The abnormal expression of Rock2 protein may promote tumor cell invasion.
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Abstract
Rho-associated kinase 1 (ROCK1) and ROCK2 are activated by Rho GTPase and control cytoskeleton rearrangement through modulating the phosphorylation of their down-stream effector molecules. Although these 2 isoforms share more than 90% homology within their kinase domain the question of whether ROCK proteins function identically in different cell types is not clear. By using both pharmacological inhibition and genetic knockdown approaches recent studies suggest that the ROCK2 isoform plays an exclusive role in controlling of T-cell plasticity and macrophage polarization. Specifically, selective ROCK2 inhibition shifts the balance between pro-inflammatory and regulatory T-cell subsets via concurrent regulation of STAT3 and STAT5 phosphorylation, respectively. Furthermore, the administration of an orally available selective ROCK2 inhibitor effectively ameliorates clinical manifestations in experimental models of autoimmunity and chronic graft-vs.-host disease (cGVHD). Because ROCK2 inhibition results in the suppression of M2-type macrophages while favoring polarization of M1-type macrophages, ROCK2 inhibition can correct the macrophage imbalance seen during age-related macular degeneration (AMD). In summary, the exclusive role of ROCK2 in immune system modulation argues for the development and testing of isoform-specific ROCK2 inhibitors for the treatment of inflammatory disorders.
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Affiliation(s)
| | - Ryan Flynn
- b Division of Blood and Marrow Transplantation , Masonic Cancer Center and Department of Pediatrics, University of Minnesota , Minneapolis , MN , USA
| | - Samuel D Waksal
- b Division of Blood and Marrow Transplantation , Masonic Cancer Center and Department of Pediatrics, University of Minnesota , Minneapolis , MN , USA
| | - Bruce R Blazar
- b Division of Blood and Marrow Transplantation , Masonic Cancer Center and Department of Pediatrics, University of Minnesota , Minneapolis , MN , USA
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Huang D, Qiu S, Ge R, He L, Li M, Li Y, Peng Y. miR-340 suppresses glioblastoma multiforme. Oncotarget 2016; 6:9257-70. [PMID: 25831237 PMCID: PMC4496215 DOI: 10.18632/oncotarget.3288] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 02/07/2015] [Indexed: 11/25/2022] Open
Abstract
Deregulation of microRNAs (miRs) contributes to tumorigenesis. Down-regulation of miR-340 is observed in multiple types of cancers. However, the biological function of miR-340 in glioblastoma multiforme (GBM) remains largely unknown. In the present study, we demonstrated that expression of miR-340 was downregulated in both glioma cell lines and tissues. Survival of GBM patients with high levels of miR-340 was significantly extended in comparison to patients expressing low miR-340 levels. Biological functional experiments showed that the restoration of miR-340 dramatically inhibited glioma cell proliferation, induced cell-cycle arrest and apoptosis, suppressed cell motility and promoted autophagy and terminal differentiation. Mechanistic studies disclosed that, miR-340 over-expression suppressed several oncogenes including p-AKT, EZH2, EGFR, BMI1 and XIAP. Furthermore, ROCK1 was validated as a direct functional target miR-340 and silencing of ROCK1 phenocopied the anti-tumor effect of mR-340. Our findings indicate an important role of miR-340 as a glioma killer, and suggest a potential prognosis biomarker and therapeutic target for GBM.
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Affiliation(s)
- Daquan Huang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Shuwei Qiu
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ruiguang Ge
- Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory of Biocontrol, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Lei He
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Mei Li
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yi Li
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ying Peng
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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Jerrell RJ, Parekh A. Matrix rigidity differentially regulates invadopodia activity through ROCK1 and ROCK2. Biomaterials 2016; 84:119-129. [PMID: 26826790 DOI: 10.1016/j.biomaterials.2016.01.028] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 01/12/2016] [Accepted: 01/14/2016] [Indexed: 01/17/2023]
Abstract
ROCK activity increases due to ECM rigidity in the tumor microenvironment and promotes a malignant phenotype via actomyosin contractility. Invasive migration is facilitated by actin-rich adhesive protrusions known as invadopodia that degrade the ECM. Invadopodia activity is dependent on matrix rigidity and contractile forces suggesting that mechanical factors may regulate these subcellular structures through ROCK-dependent actomyosin contractility. However, emerging evidence indicates that the ROCK1 and ROCK2 isoforms perform different functions in cells suggesting that alternative mechanisms may potentially regulate rigidity-dependent invadopodia activity. In this study, we found that matrix rigidity drives ROCK signaling in cancer cells but that ROCK1 and ROCK2 differentially regulate invadopodia activity through separate signaling pathways via contractile (NM II) and non-contractile (LIMK) mechanisms. These data suggest that the mechanical rigidity of the tumor microenvironment may drive ROCK signaling through distinct pathways to enhance the invasive migration required for cancer progression and metastasis.
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Affiliation(s)
- Rachel J Jerrell
- Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Aron Parekh
- Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
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Kümper S, Mardakheh FK, McCarthy A, Yeo M, Stamp GW, Paul A, Worboys J, Sadok A, Jørgensen C, Guichard S, Marshall CJ. Rho-associated kinase (ROCK) function is essential for cell cycle progression, senescence and tumorigenesis. eLife 2016; 5:e12994. [PMID: 26765561 PMCID: PMC4798951 DOI: 10.7554/elife.12203] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 01/13/2016] [Indexed: 12/12/2022] Open
Abstract
Rho-associated kinases 1 and 2 (ROCK1/2) are Rho-GTPase effectors that control key aspects of the actin cytoskeleton, but their role in proliferation and cancer initiation or progression is not known. Here, we provide evidence that ROCK1 and ROCK2 act redundantly to maintain actomyosin contractility and cell proliferation and that their loss leads to cell-cycle arrest and cellular senescence. This phenotype arises from down-regulation of the essential cell-cycle proteins CyclinA, CKS1 and CDK1. Accordingly, while the loss of either Rock1 or Rock2 had no negative impact on tumorigenesis in mouse models of non-small cell lung cancer and melanoma, loss of both blocked tumor formation, as no tumors arise in which both Rock1 and Rock2 have been genetically deleted. Our results reveal an indispensable role for ROCK, yet redundant role for isoforms 1 and 2, in cell cycle progression and tumorigenesis, possibly through the maintenance of cellular contractility.
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Affiliation(s)
- Sandra Kümper
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Faraz K Mardakheh
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Afshan McCarthy
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Maggie Yeo
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Gordon W Stamp
- Experimental Pathology Laboratory, Cancer Research UK London Research Institute, London, United Kingdom
| | - Angela Paul
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Jonathan Worboys
- Cancer Research UK Manchester Institute, Manchester, United Kingdom
| | - Amine Sadok
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
| | - Claus Jørgensen
- Cancer Research UK Manchester Institute, Manchester, United Kingdom
| | - Sabrina Guichard
- Division of Cancer Biology, Institute of Cancer Research, London, United Kingdom
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Sarhan AR, Patel TR, Cowell AR, Tomlinson MG, Hellberg C, Heath JK, Cunningham DL, Hotchin NA. LAR protein tyrosine phosphatase regulates focal adhesions via CDK1. J Cell Sci 2016; 129:2962-71. [DOI: 10.1242/jcs.191379] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 06/21/2016] [Indexed: 12/12/2022] Open
Abstract
Focal adhesions are complex multi-molecular structures that link the actin cytoskeleton to the extracellular matrix via integrin adhesion receptors and play a key role in regulation of many cellular functions. LAR is a receptor protein tyrosine phosphatase that regulates PDGF signalling and localises to focal adhesions. We have observed that loss of LAR phosphatase activity in mouse embryonic fibroblasts results in reduced numbers of focal adhesions and decreased adhesion to fibronectin. To understand how LAR regulates cell adhesion we used phosphoproteomic data, comparing global phosphorylation events in wild type and LAR phosphatase-deficient cells, to analyse differential kinase activity. Kinase prediction analysis of LAR-regulated phosphosites identified a node of cytoskeleton- and adhesion-related proteins centred on cyclin-dependent kinase-1 (CDK1). We found that loss of LAR activity resulted in reduced activity of CDK1, and that CDK1 activity was required for LAR-mediated focal adhesion complex formation. We also established that LAR regulates CDK1 activity via c-Abl and PKB/Akt. In summary, we have identified a novel role for a receptor protein tyrosine phosphatase in regulating CDK1 activity and hence cell adhesion to the extracellular matrix.
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Affiliation(s)
- Adil R. Sarhan
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Trushar R. Patel
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Alana R. Cowell
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Michael G. Tomlinson
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Carina Hellberg
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - John K. Heath
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Debbie L. Cunningham
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
| | - Neil A. Hotchin
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
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Lee HJ, Seo SR, Yoon MS, Song JY, Lee EY, Lee SE. Microneedle fractional radiofrequency increases epidermal hyaluronan and reverses age-related epidermal dysfunction. Lasers Surg Med 2015; 48:140-9. [DOI: 10.1002/lsm.22420] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Hee Jung Lee
- Department of Dermatology; CHA Bundang Medical Center; CHA University; Seongnam Korea
| | - Seong Rak Seo
- Department of Dermatology; CHA Bundang Medical Center; CHA University; Seongnam Korea
| | - Moon Soo Yoon
- Department of Dermatology; CHA Bundang Medical Center; CHA University; Seongnam Korea
| | - Ji-Ye Song
- Institute for Clinical Research; CHA University; Seongnam Korea
| | - Eun Young Lee
- Department of Applied Bioscience; CHA University; Seongnam Korea
| | - Sang Eun Lee
- Department of Dermatology; Yonsei University College of Medicine; Seoul Korea
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Kasahara DI, Ninin FMC, Wurmbrand AP, Liao JK, Shore SA. Abrogation of airway hyperresponsiveness but not inflammation by rho kinase insufficiency. Clin Exp Allergy 2015; 45:457-70. [PMID: 25323425 DOI: 10.1111/cea.12438] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Revised: 08/22/2014] [Accepted: 10/03/2014] [Indexed: 12/24/2022]
Abstract
BACKGROUND Major features of allergic asthma include airway hyperresponsiveness (AHR), eosinophilic inflammation, and goblet cell metaplasia. Rho kinase (ROCK) is a serine/threonine protein kinase that regulates the actin cytoskeleton. By doing so, it can modulate airway smooth muscle cell contraction and leucocyte migration and proliferation. This study was designed to determine the contributions of the two ROCK isoforms, ROCK1 and ROCK2, to AHR, inflammation and goblet cell metaplasia in a mast cell-dependent model of allergic airways disease. METHODS AND RESULTS Repeated intranasal challenges with OVA caused AHR, eosinophilic inflammation, and goblet cell hyperplasia in wild-type (WT) mice. OVA-induced AHR was partially or completely abrogated in mice haploinsufficient for ROCK2 (ROCK2(+/-) ) or ROCK1 (ROCK1(+/-) ), respectively. In contrast, there was no effect of ROCK insufficiency on allergic airways inflammation, although both ROCK1 and ROCK2 insufficiency attenuated mast cell degranulation. Goblet cell hyperplasia, as indicated by PAS staining, was not different in ROCK1(+/-) vs. WT mice. However, in ROCK2(+/-) mice, goblet cell hyperplasia was reduced in medium but not large airways. Maximal acetylcholine-induced force generation was reduced in tracheal rings from ROCK1(+/-) and ROCK2(+/-) vs. WT mice. The ROCK inhibitor, fasudil, also reduced airway responsiveness in OVA-challenged mice, without affecting inflammatory responses. CONCLUSION In a mast cell model of allergic airways disease, ROCK1 and ROCK2 both contribute to AHR, likely through direct effects on smooth muscle cell and effects on mast cell degranulation. In addition, ROCK2 but not ROCK1 plays a role in allergen-induced goblet cell hyperplasia.
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Affiliation(s)
- David I Kasahara
- Department of Environmental Health, Harvard School of Public Health, Boston, MA, USA
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Inference of Low and High-Grade Glioma Gene Regulatory Networks Delineates the Role of Rnd3 in Establishing Multiple Hallmarks of Cancer. PLoS Genet 2015; 11:e1005325. [PMID: 26132659 PMCID: PMC4488580 DOI: 10.1371/journal.pgen.1005325] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 05/29/2015] [Indexed: 12/12/2022] Open
Abstract
Gliomas are a highly heterogeneous group of brain tumours that are refractory to treatment, highly invasive and pro-angiogenic. Glioblastoma patients have an average survival time of less than 15 months. Understanding the molecular basis of different grades of glioma, from well differentiated, low-grade tumours to high-grade tumours, is a key step in defining new therapeutic targets. Here we use a data-driven approach to learn the structure of gene regulatory networks from observational data and use the resulting models to formulate hypothesis on the molecular determinants of glioma stage. Remarkably, integration of available knowledge with functional genomics datasets representing clinical and pre-clinical studies reveals important properties within the regulatory circuits controlling low and high-grade glioma. Our analyses first show that low and high-grade gliomas are characterised by a switch in activity of two subsets of Rho GTPases. The first one is involved in maintaining normal glial cell function, while the second is linked to the establishment of multiple hallmarks of cancer. Next, the development and application of a novel data integration methodology reveals novel functions of RND3 in controlling glioma cell migration, invasion, proliferation, angiogenesis and clinical outcome. Gliomas are aggressive brain tumours that are invasive, heterogeneous, refractory to treatment and show poor survival rates. Surgical resection and chemotherapy can increase patient survival but ultimately the disease is fatal. Multiple grades of glioma exist, with lower grades associated to better prognosis. While the majority of high-grade gliomas occur de novo, it is common that low-grade gliomas progress to the more aggressive form known as glioblastoma. In this article, we have shown that by combining advanced network biology approaches with the right experimental models, we are able to reveal novel regulatory circuits controlling multiple hallmarks of glioma. Through analysis of multiple network models representing protein-protein interaction or gene co-expression data we have revealed a switch in the role of regulatory Rho GTPases between low and high-grade gliomas. Amongst these, we show that RND3 is up-regulated in glioblastomas and is a key regulator of tumour proliferation, migration and invasion. We confirm that expression and genomic copy number of RND3 are predictive of clinical outcome, suggesting that changes in the activity of this particular Rho GTPase could be an early event associated to transformation and tumour expansion.
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48
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Liu D, Zhou K, Li Q, Deng F, Ma Y. Expression of Wnt11 and Rock2 protein with clinical characteristics of esophageal squamous cell carcinoma in Kazakh and Han patients. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:7122-7130. [PMID: 26261605 PMCID: PMC4525939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 05/17/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is one of the most malignancies with a very poor outcome in China. Wnt11 and Rock2, new identified proteins highly associated with metastasis of many cancers, which were never reported in esophageal squamous cell carcinoma (ESCC). Here we measured the expression levels of Wnt11 and Rock2 in tissues from 265 patients with ESCC. Immunohistochemical staining was employed to detect the correlation of Wnt11 and Rock2 expression with clinicopathological features. METHODS The expression of Wnt11 and Rock2 was detected by immunohistochemistry in esophageal squamous cell carcinomas and normal esophageal tissues. A chi-square test was used to assess the statistical significance of the correlations between Wnt11, Rock2 expression and different clinicopathological parameters, respectively. RESULTS The high-expression of Wnt11 and Rock2 was observed in ESCCs. Seventy-five cases of ESCC (51.7%) showed a positive expression of Wnt11, which indicated a significant association with the AJCC stage (P=0.007). Ninety-eight cases of ESCC (65.5%) showed a positive expression of Rock2, which indicated a significant association with ethnic background. There were no close correlations between Rock2 expression and gender, tumor location, AJCC stage, lymph node metastasis. Specifically, the expression of Rock2 was significantly different between Hans and Kazaks ethnicities (P=0.000). In Kaplan-Meier curve analysis, no significant correlation was observed between the expression of Wnt11, Rock-2 and the poor prognosis of ESCCs. CONCLUSION Our finding suggests that the over-expression of Rock2 may play an important role in the carcinogenesis and progression, and may become a new underlying molecular marker in the diagnosis and treatment in ESCC.
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Affiliation(s)
- Dong Liu
- Department of Pathology, First Affiliated Hospital, Xinjiang Medical UniversityUrumqi 830054, China
| | - Keming Zhou
- Hypertension Center of the People’s Hospital of Xinjiang Uygur Autonomous Region, Hypertension Institute of Xinjiang Uygur Autonomous RegionUrumqi 830001, China
| | - Qiaoxin Li
- Department of Pathology, First Affiliated Hospital, Xinjiang Medical UniversityUrumqi 830054, China
| | - Feiyan Deng
- Department of Pathology, First Affiliated Hospital, Xinjiang Medical UniversityUrumqi 830054, China
| | - Yuqing Ma
- Department of Pathology, First Affiliated Hospital, Xinjiang Medical UniversityUrumqi 830054, China
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Perey AC, Weishaar IM, McGee DW. The effect of ROCK on TNF-α-induced CXCL8 secretion by intestinal epithelial cell lines is mediated through MKK4 and JNK signaling. Cell Immunol 2015; 293:80-6. [PMID: 25577341 DOI: 10.1016/j.cellimm.2014.12.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 12/02/2014] [Accepted: 12/26/2014] [Indexed: 02/07/2023]
Abstract
Intestinal epithelial cells (IEC) play a role in mucosal inflammatory responses by producing important chemokines like CXCL8 when stimulated by TNF-α. Previously, we found that IEC cell lines required the Rho-associated kinase, ROCK, for CXCL8 responses after IL-1 stimulation. This study extends these findings by showing that inhibiting ROCK suppressed TNF-α-induced CXCL8 secretion by Caco-2 and DLD1 colonic epithelial cell lines and CXCL8 mRNA levels in Caco-2 cells. RNAi knockdown experiments indicated that the inhibitory effect was mediated by ROCK2, and not ROCK1. Inhibiting ROCK had no effect on TNF-stimulated IκBα phosphorylation and degradation or p38 MAPK phosphorylation indicating that ROCK plays no role in these signaling pathways. However, inhibiting ROCK suppressed TNF-induced phosphorylation of the p54 JNK isoform and phosphorylation of the upstream MKK4 kinase. These results suggest that ROCK is required for CXCL8 responses by TNF-stimulated IEC by affecting intracellular signaling through MKK4 and JNK.
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Affiliation(s)
- Aaron C Perey
- Department of Biological Sciences, Binghamton University (SUNY), Binghamton, NY 13902-6000, USA
| | - Isabelle M Weishaar
- Department of Biological Sciences, Binghamton University (SUNY), Binghamton, NY 13902-6000, USA
| | - Dennis W McGee
- Department of Biological Sciences, Binghamton University (SUNY), Binghamton, NY 13902-6000, USA.
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Zhang JY, Dong HS, Oqani RK, Lin T, Kang JW, Jin DI. Distinct roles of ROCK1 and ROCK2 during development of porcine preimplantation embryos. Reproduction 2014; 148:99-107. [DOI: 10.1530/rep-13-0556] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Cell-to-cell contact mediated by cell adhesion is fundamental to the compaction process that ensures blastocyst quality during embryonic development. In this study, we first showed that Rho-associated coiled-coil protein kinases (ROCK1 and ROCK2) were expressed both in porcine oocytes and IVF preimplantation embryos, playing different roles in oocytes maturation and embryo development. The amount of mRNA encoding ROCK1 and the protein concentration clearly increased between the eight-cell and morula stages, but decreased significantly when blastocysts were formed. Conversely, ROCK2 was more abundant in the blastocyst compared with other embryonic stages. Moreover, immunostaining showed that ROCK1 protein distribution changed as the embryo progressed through cleavage and compaction to the morula stage. Initially, the protein was predominantly associated with the plasma membrane but later became cytoplasmic. By contrast, ROCK2 protein was localized in both the cytoplasm and the spindle rotation region during oocyte meiosis, but in the cytoplasm and nucleus as the embryo developed. In addition, ROCK2 was present in the trophectoderm cells of the blastocyst. Treatment with 15 μM Y27632, a specific inhibitor of ROCKs, completely blocked further development of early four-cell stage embryos. Moreover, we did not detect the expression ofROCK1but did detectROCK2expression in blastocysts. Moreover, lysophosphatidic acid an activator of ROCKs significantly improved the rates of blastocyst formation. These data demonstrate that ROCKs are required for embryo development to the blastocyst stage. Together, our results indicate that ROCK1 and ROCK2 may exert different biological functions during the regulation of compaction and in ensuring development of porcine preimplantation embryos to the blastocyst stage.
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