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Thomas MJ, Xu H, Wang A, Sorci-Thomas MG. PCPE2: Expression of Multifunctional Extracellular Glycoprotein Associates With Diverse Cellular Functions. J Lipid Res 2024:100664. [PMID: 39374805 DOI: 10.1016/j.jlr.2024.100664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 09/21/2024] [Accepted: 10/01/2024] [Indexed: 10/09/2024] Open
Abstract
Procollagen C-endopeptidase enhancer 2, known as PCPE2 or PCOC2 (gene name, PCOLCE2) is a glycoprotein that resides in the extracellular matrix, and is similar in domain organization to PCPE1 / PCPE, PCOC1 (PCOLCE1 /PCOLCE). Due to the many similarities between the two related proteins, PCPE2 has been assumed to have biological functions similar to PCPE. PCPE is a well-established enhancer of procollagen processing activating the enzyme, BMP-1. However, reports show that PCPE2 has a strikingly different tissue expression profile compared to PCPE. With that in mind and given the paucity of published studies on PCPE2, this review examines the current literature citing PCPE2 and its association with specific cell types and signaling pathways. Additionally, this review will present a brief history of PCPE2's discovery, highlighting structural and functional similarities and differences compared to PCPE. Considering the widespread use of RNA sequencing techniques to examine associations between cell-specific gene expression and disease states, we will show that PCPE2 is repeatedly found as a differentially regulated gene (DEG) significantly associated with a number of cellular processes, well beyond the scope of procollagen fibril processing.
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Affiliation(s)
- Michael J Thomas
- Department of Pharmacology & Toxicology, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin; Cardiovascular Research Center, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Hao Xu
- Department of Medicine, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Angela Wang
- Department of Medicine, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Mary G Sorci-Thomas
- Department of Pharmacology & Toxicology, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin; Cardiovascular Research Center, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin; Department of Medicine, Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin.
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2
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Lagoutte P, Bourhis JM, Mariano N, Gueguen-Chaignon V, Vandroux D, Moali C, Vadon-Le Goff S. Mono- and Bi-specific Nanobodies Targeting the CUB Domains of PCPE-1 Reduce the Proteolytic Processing of Fibrillar Procollagens. J Mol Biol 2024; 436:168667. [PMID: 38901640 DOI: 10.1016/j.jmb.2024.168667] [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: 04/03/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 06/22/2024]
Abstract
The excessive deposition of fibrillar collagens is a hallmark of fibrosis. Collagen fibril formation requires proteolytic maturations by Procollagen N- and C-proteinases (PNPs and PCPs) to remove the N- and C-propeptides which maintain procollagens in the soluble form. Procollagen C-Proteinase Enhancer-1 (PCPE-1, a glycoprotein composed of two CUB domains and one NTR domain) is a regulatory protein that activates the C-terminal processing of procollagens by the main PCPs. It is often up-regulated in fibrotic diseases and represents a promising target for the development of novel anti-fibrotic strategies. Here, our objective was to develop the first antagonists of PCPE-1, based on the nanobody scaffold. Using both an in vivo selection through the immunization of a llama and an in vitro selection with a synthetic library, we generated 18 nanobodies directed against the CUB domains of PCPE1, which carry its enhancing activity. Among them, I5 from the immune library and H4 from the synthetic library have a high affinity for PCPE-1 and inhibit its interaction with procollagens. The crystal structure of the complex formed by PCPE-1, H4 and I5 showed that they have distinct epitopes and enabled the design of a biparatopic fusion, the diabody diab-D1. Diab-D1 has a sub-nanomolar affinity for PCPE-1 and is a potent antagonist of its activity, preventing the stimulation of procollagen cleavage in vitro. Moreover, Diab-D1 is also effective in reducing the proteolytic maturation of procollagen I in cultures of human dermal fibroblasts and hence holds great promise as a tool to modulate collagen deposition in fibrotic conditions.
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Affiliation(s)
- Priscillia Lagoutte
- Universite Claude Bernard Lyon 1, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Jean-Marie Bourhis
- Institut de Biologie Structurale, University Grenoble Alpes, CEA, CNRS, F-38000 Grenoble, France
| | - Natacha Mariano
- Universite Claude Bernard Lyon 1, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Virginie Gueguen-Chaignon
- Protein Science Facility, SFR BioSciences, Univ Lyon, CNRS UAR3444, Inserm US8, ENS de Lyon, F-69367 Lyon, France
| | | | - Catherine Moali
- Universite Claude Bernard Lyon 1, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Sandrine Vadon-Le Goff
- Universite Claude Bernard Lyon 1, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France.
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3
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Yu L, Hu X, Zhu H. Predictive value of procollagen c-protease enhancer protein on the prognosis of glioma patients. Heliyon 2024; 10:e28089. [PMID: 38533063 PMCID: PMC10963382 DOI: 10.1016/j.heliyon.2024.e28089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 03/09/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
Procollagen c-protease enhancer protein (PCOLCE) performs an essential action in improving the recreation of procollagen c-protease and promoting the reconstruction of extracellular matrix. High PCOLCE expression was associated with a negative prognosis of stomach cancer, ovarian cancer, and osteosarcoma. The goal of this work is to investigate the function of PCOLCE in glioma. Multiple bioinformatics techniques have been employed to investigate the roles of PCOLCE in glioma, consisting of the correlation between PCOLCE and prognosis, immune checkpoints, immune cell infiltrates, and tumor microenvironment (TME). The gene ontology (GO) annotations and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were used to assess the potential function of PCOLCE in glioma. PCOLCE was found to be increased in glioma. We revealed that PCOLCE was a potential prognostic factor and related to tumor grade. Up-regulated PCOLCE was related to poor prognosis in lower-grade glioma (LGG), glioblastoma multiforme (GBM), and recurrent glioma. PCOLCE was correlated with immune cell infiltration, particularly B cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells (DCs) in LGG, and DCs infiltration in GBM. PCOLCE was co-expressed with many genes related to the immune and the immune checkpoint. In addition, glioma patients with low expression of PCOLCE had a higher response to the immunological checkpoint blockade (ICB). Additionally, PCOLCE may exert its roles via several immune-related biological processes or pathways, such as leukocyte migration, activation of T cells, adaptive immune response, neutrophil-mediated immunity, NF-κB, and TNF signaling pathways. In conclusion, PCOLCE may be a new immune-related gene and regulate tumor development through immunological pathways.
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Affiliation(s)
- Luli Yu
- Department of Neurosurgery, Shangrao People's Hospital, Shangrao, 334000, Jiangxi Province, China
| | - Xinyao Hu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Hua Zhu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
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4
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Zhou H, Li R, Liu J, Long J, Chen T. Characterization and verification of CAF-relevant prognostic gene signature to aid therapy in bladder cancer. Heliyon 2024; 10:e23873. [PMID: 38317915 PMCID: PMC10839800 DOI: 10.1016/j.heliyon.2023.e23873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 11/30/2023] [Accepted: 12/14/2023] [Indexed: 02/07/2024] Open
Abstract
Cancer-associated fibroblasts (CAFs) are significantly involved in determining the patient's prognosis and response to bladder cancer (BLCA) therapy. CAFs can induce epithelial-mesenchymal transformation (EMT) as well as complex interaction with immune cells. Hence, it is imperative to identify potential markers for enhancing our understanding of CAFs in BLCA progression and immune regulation. A variety of algorithms and analyses were employed in the study, leading to the development of a novel prognostic feature for CAFs-Stromal-EMT (CSE)-prognostic feature. This feature was constructed based on the genes MFAP5, PCOLCE2, and JUN. Furthermore, we revealed that patients with higher CSE risk scores responded to immunotherapy better compared to those with lower. Finally, we verified two CSE-related genes using in vitro experiments. Our results suggested that the CSE-prognostic feature could predict the prognosis and evaluate the response of patients to immune and chemotherapies. This would aid clinicians in designing treatment strategies for patients with BLCA.
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Affiliation(s)
- Huidong Zhou
- Department of Urology, Changsha Hospital of Hunan Normal University, Changsha, China
| | - Ruqi Li
- Department of Electrocardiography, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, Hunan, China
| | - Jinghong Liu
- Department of Urology, Changsha Hospital of Hunan Normal University, Changsha, China
| | - Jianhua Long
- Department of Urology, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Tao Chen
- Department of Urology, Changsha Hospital of Hunan Normal University, Changsha, China
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5
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Guo Q, Gao X, Li J, Liu Y, Liu J, Yang H, Cui M, Zhang M, Duan L, Ma X. High expression of PCOLCE gene indicate poor prognosis in patients and are associated with immune infiltration in glioma. Sci Rep 2023; 13:3820. [PMID: 36882457 PMCID: PMC9992371 DOI: 10.1038/s41598-023-30413-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/22/2023] [Indexed: 03/09/2023] Open
Abstract
The procollagen C-protease enhancer (PCOLCE) has been identified to influence tumor growth and metastasis in multiple cancers. However, the relationship between PCOLCE activity and the progression of gliomas remains largely unknown. Glioma RNA-seq data were derived from the Chinese Glioma Genome Atlas (CGGA) and The Cancer Genome Atlas databases for analysis. Kaplan-Meier survival curve, clinical characterization correlation, univariate and multivariate Cox, and receiver operating characteristic curve analyses were performed to assess the prognostic role of PCOLCE. Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and Gene Set Enrichment Analysis were used to determine the functions or pathways associated with PCOLCE. The ESTIMATE and CIBERSORT algorithms, Spearman's rank correlation analysis, and Tumor Immune Estimation Resource (TIMER) databases were used to explore the relationship between PCOLCE and immune infiltration. Correlation analysis between PCOLCE, related genes, and immune cell markers was conducted using the TIMER database. Immunophenoscore assays were performed to determine differential PCOLCE expression levels in glioma. The sensitivity of multi-drugs were determined to explore potential chemotherapeutic agents in between PCOLCE. Compared to normal brain tissue, PCOLCE expression was increased in glioma and correlated with shorter overall survival (OS). Furthermore, significant differences were observed in the immune scores and immune cell infiltration levels. PCOLCE is positively associated with immune checkpoints and many immune markers. Additionally, PCOLCE expression was higher in gliomas with higher IPS Z-scores in CGGA. High expression of PCOLCE increased sensitivity to multiple chemotherapy agents in CGGA (P < 0.001), and TCGA. These results suggest that PCOLCE significantly influences the prognosis of patients with glioma, can serve as an independent prognostic factor, and is related to tumor immunity. PCOLCE may be a novel immune-related target for treating gliomas. Additionally, analysis of chemosensitivity in gliomas with high PCOLCE expression may provide a promising direction for drug development.
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Affiliation(s)
- Qingbao Guo
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Xin Gao
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Jingjie Li
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yukun Liu
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Jiayu Liu
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Hui Yang
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Meng Cui
- Medical School of Chinese PLA, Beijing, China.,Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Meng Zhang
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Lian Duan
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China.
| | - Xiaodong Ma
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China.
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6
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Rangan R, Sad do Valle R, Tovar-Vidales T. Expression of procollagen C-proteinase enhancer 1 in human trabecular meshwork tissues and cells. Exp Eye Res 2022; 225:109280. [PMID: 36252654 DOI: 10.1016/j.exer.2022.109280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 10/03/2022] [Accepted: 10/08/2022] [Indexed: 12/29/2022]
Abstract
Glaucoma is a primary cause of progressive, irreversible blindness. One of the primary tissues involved in glaucoma pathology is the trabecular meshwork (TM). In glaucoma, the TM is a site of increased extracellular matrix (ECM) protein secretion, deposition, and accumulation, contributing to a disrupted TM architecture and increased resistance to the outflow of aqueous humor. The healthy TM structure is comprised of sheets and beams composed of multiple extracellular matrix proteins, including mature fibrillar collagens. In the glaucomatous eye, this structure is disrupted by the abnormal deposition of collagen fibrils and other ECM proteins in the TM. In this study, we determined whether procollagen C-proteinase enhancer 1 (PCOLCE1) - a protein typically involved in collagen fibril processing - is expressed in the human TM tissues and cells and whether its expression is altered in glaucomatous conditions. Using immunocytochemistry, qPCR, and western blot (WB) analyses, we found that PCOLCE1 is expressed and translated in human TM tissues and cells. Our data analysis suggests that PCOLCE1 expression by TM cells may be downregulated by TGFβ2 treatment, which warrants further investigation of a possible role for PCOLCE1 in glaucomatous pathology.
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Affiliation(s)
- Rajiv Rangan
- Department of Pharmacology and Neuroscience, And The North Texas Eye Research Institute, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas, 76107-2699, USA
| | - Rafael Sad do Valle
- Department of Pharmacology and Neuroscience, And The North Texas Eye Research Institute, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas, 76107-2699, USA
| | - Tara Tovar-Vidales
- Department of Pharmacology and Neuroscience, And The North Texas Eye Research Institute, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas, 76107-2699, USA.
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7
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Sahay P, Chakraborty M, Rao A. Global and Comparative Proteome Signatures in the Lens Capsule, Trabecular Meshwork, and Iris of Patients With Pseudoexfoliation Glaucoma. Front Mol Biosci 2022; 9:877250. [PMID: 35517867 PMCID: PMC9065473 DOI: 10.3389/fmolb.2022.877250] [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: 02/16/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
Pseudoexfoliation (PXF) is characterized by the accumulation of the exfoliative material in the eye and high rates of blindness if left untreated. Pseudoexfoliation glaucoma (PXG) is generally diagnosed too late due to its asymptomatic nature, necessitating the development of new effective screening tools for the early diagnosis of the disease. Thus, the increasing prevalence of this disease due to an aging population has demanded the identification of suitable biomarkers for the early detection of the disease or detection of the onset of glaucoma in the eyes with PXF. We applied a proteomics strategy based on a high-throughput screening method for the determination of proteins involving PXF and PXG pathogenesis. The lens capsule (LC), iris, and trabecular meshwork (TM) samples with PXF and PXG were taken by surgical trabeculectomy, and control samples were taken from the donor corneal buttons obtained from the institutional eye bank to characterize the proteome profile. Peptides from the LC were analyzed using liquid chromatography with tandem mass spectrometry (LC-MS/MS). The protein of interest and cytokine/chemokine profiles were verified using immunohistochemistry and the bio-plex kit assay, respectively. There were a total of 1433 proteins identified in the human LC, of which 27 proteins were overexpressed and eight proteins were underexpressed in PXG compared with PXF. Overexpressed proteins such as fibromodulin, decorin, lysyl oxidase homolog 1, collagen alpha-1(I) chain, collagen alpha-3(VI) chain, and biglycan were the major components of the extracellular matrix (ECM) proteins involved in cell-matrix interactions or ECM proteoglycans and the assembly and cross-linking of collagen fibrils. The ECM composition and homeostasis are altered in glaucoma. Thus, quantitative proteomics is a method to discover molecular markers in the eye. Monitoring these events can help evaluate disease progression in future studies.
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Affiliation(s)
- Prity Sahay
- Hyderabad Eye Research Foundation (HERF), L.V. Prasad Eye Institute, Bhubaneswar, India.,KIIT School of Biotechnology, Bhubaneswar, India
| | - Munmun Chakraborty
- Hyderabad Eye Research Foundation (HERF), L.V. Prasad Eye Institute, Bhubaneswar, India.,KIIT School of Biotechnology, Bhubaneswar, India
| | - Aparna Rao
- Hyderabad Eye Research Foundation (HERF), L.V. Prasad Eye Institute, Bhubaneswar, India.,KIIT School of Biotechnology, Bhubaneswar, India
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8
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Sansilvestri Morel P, Duvivier V, Bertin F, Provost N, Hammoutene A, Hubert EL, Gonzalez A, Tupinon-Mathieu I, Paradis V, Delerive P. Procollagen C-Proteinase Enhancer-1 (PCPE-1) deficiency in mice reduces liver fibrosis but not NASH progression. PLoS One 2022; 17:e0263828. [PMID: 35148334 PMCID: PMC8836302 DOI: 10.1371/journal.pone.0263828] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 01/28/2022] [Indexed: 12/27/2022] Open
Abstract
Background and aims Nonalcoholic Steatohepatitis (NASH) is a major cause of end-stage liver diseases such as cirrhosis and hepatocellular carcinoma resulting ultimately in increased liver-related mortality. Fibrosis is the main driver of mortality in NASH. Procollagen C-Proteinase Enhancer-1 (PCPE-1) plays a key role in procollagen maturation and collagen fibril formation. To assess its role in liver fibrosis and NASH progression, knock-out mice were evaluated in a dietary NASH model. Methods Global constitutive Pcolce-/- and WT male mice were fed with a Choline Deficient Amino acid defined High Fat Diet (CDA HFD) for 8 weeks. Liver triglycerides, steatosis, inflammation and fibrosis were assessed at histological, biochemical and gene expression levels. In addition, human liver samples from control and NASH patients were used to evaluate the expression of PCPE-1 at both mRNA and protein levels. Results Pcolce gene deficiency prevented diet-induced liver enlargement but not liver dysfunction. Furthermore, liver triglycerides, steatosis and inflammation were not modified in Pcolce-/- male mice compared to WT under CDA HFD. However, a significant decrease in liver fibrosis was observed in Pcolce-/- mice compared to WT under NASH diet, associated with a decrease in total and insoluble collagen content without any significant modifications in the expression of genes involved in fibrosis and extracellular matrix remodeling. Finally, PCPE-1 protein expression was increased in cirrhotic liver samples from both NASH and Hepatitis C patients. Conclusions Pcolce deficiency limits fibrosis but not NASH progression in CDA HFD fed mice.
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Affiliation(s)
| | - Valerie Duvivier
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Florence Bertin
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Nicolas Provost
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Adel Hammoutene
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
- Pathology Department, Hôpital Beaujon, Paris, France
| | - Edwige-Ludiwyne Hubert
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Arantxa Gonzalez
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra, IdiSNA and CIBERCV, Pamplona, Spain
| | - Isabelle Tupinon-Mathieu
- Cardiovascular and Metabolic Diseases, Institut de Recherches Internationales Servier, Suresnes, France
| | | | - Philippe Delerive
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
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9
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Shi C, Xie Y, Li X, Li G, Liu W, Pei W, Liu J, Yu X, Liu T. Identification of Ferroptosis-Related Genes Signature Predicting the Efficiency of Invasion and Metastasis Ability in Colon Adenocarcinoma. Front Cell Dev Biol 2022; 9:815104. [PMID: 35155451 PMCID: PMC8826729 DOI: 10.3389/fcell.2021.815104] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/03/2021] [Indexed: 01/14/2023] Open
Abstract
Background: Colon adenocarcinoma (COAD) is one of the most prevalent cancers worldwide and has become a leading cause of cancer death. Although many potential biomarkers of COAD have been screened with the bioinformatics method, it is necessary to explore novel markers for the diagnosis and appropriate individual treatments for COAD patients due to the high heterogeneity of this disease. Epithelial-to-mesenchymal transition (EMT)-mediated tumor metastasis suggests poor prognosis of cancers. Ferroptosis is involved in tumor development. EMT signaling can increase the cellular sensitivity to ferroptosis in tumors. The aim of our study is finding novel prognostic biomarkers to determine COAD patients for predicting efficiency of metastasis status and targeting precise ferroptosis-related therapy. Methods: A novel gene signature related to metastasis and ferroptosis was identified combing with risk model and WGCNA analysis with R software. The biological functions and predictive ability of the signature in COAD were explored through bioinformatics analysis. Results: We established a four-gene prognostic signature (MMP7, YAP1, PCOLCE, and HOXC11) based on EMT and ferroptosis related genes and validated the reliability and effectiveness of this model in COAD. This four-gene prognostic signature was closely connected with metastasis and ferroptosis sensitivity of COAD. Moreover, WGCNA analysis further confirmed the correlation between PCOLCE, HOXC11, and liver and lymphatic invasion of COAD. Conclusion: The four genes may become potential prognostic biomarkers to identify COAD patients with metastasis. Moreover, this four-gene signature may be able to determine the COAD suitable with ferroptosis induction therapy. Finally, PCOLCE2 and HOXC11 were selected individually because of their novelties and precise prediction ability. Overall, this signature provided novel possibilities for better prognostic evaluation of COAD patients and may be of great guiding significance for individualized treatment and clinical decision.
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Affiliation(s)
- Chunlei Shi
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin General Surgery Institute, Tianjin, China
| | - Yongjie Xie
- Key Laboratory of Cancer Prevention, Department of Pancreatic Cancer, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Xueyang Li
- Key Laboratory of Cancer Prevention, Department of Pancreatic Cancer, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- Department of Breast Oncoplastic Surgery, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
| | - Guangming Li
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin General Surgery Institute, Tianjin, China
| | - Weishuai Liu
- Key Laboratory of Cancer Prevention, Department of Pancreatic Cancer, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- Department of Pain Relief, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
| | - Wenju Pei
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin General Surgery Institute, Tianjin, China
| | - Jing Liu
- Key Laboratory of Cancer Prevention, Department of Pancreatic Cancer, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- Department of Breast Oncoplastic Surgery, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
- *Correspondence: Jing Liu, ; Xiaozhou Yu, ; Tong Liu,
| | - Xiaozhou Yu
- Key Laboratory of Cancer Prevention, Department of Pancreatic Cancer, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- Department of Molecular Imaging and Nuclear Medicine, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- *Correspondence: Jing Liu, ; Xiaozhou Yu, ; Tong Liu,
| | - Tong Liu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin General Surgery Institute, Tianjin, China
- *Correspondence: Jing Liu, ; Xiaozhou Yu, ; Tong Liu,
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10
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Zhong T, Jiang Z, Wang X, Wang H, Song M, Chen W, Yang S. Key genes associated with prognosis and metastasis of clear cell renal cell carcinoma. PeerJ 2022; 10:e12493. [PMID: 35036081 PMCID: PMC8740509 DOI: 10.7717/peerj.12493] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/25/2021] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Clear cell renal cell carcinoma (ccRCC) is a tumor that frequently shows the hematogenous pathway and tends to be resistant to radiotherapy and chemotherapy. However, the exact mechanism of ccRCC metastasis remains unknown. METHODS Differentially expressed genes (DEGs) of three gene expression profiles (GSE85258, GSE105288 and GSE22541) downloaded from the Gene Expression Omnibus (GEO) database were analyzed by GEO2R analysis, and co-expressed DEGs among the datasets were identified using a Venn drawing tool. The co-expressed DEGs were investigated using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis, and hub genes were determined based on the protein-protein interaction network established by STRING. After survival analysis performed on UALCAN website, possible key genes were selected and verified in ccRCC cell lines and ccRCC tissues (n = 44). Statistical analysis was conducted using GraphPad Prism (Version 8.1.1). RESULTS A total of 104 co-expressed DEGs were identified in the three datasets. Pathway analysis revealed that these genes were enriched in the extracellular matrix (ECM)-receptor interaction, protein digestion and absorption and focal adhesion. Survival analysis on 17 hub genes revealed that four key genes with a significant impact on survival: procollagen C-endopeptidase enhancer (PCOLCE), prolyl 4-hydroxylase subunit beta (P4HB), collagen type VI alpha 2 (COL6A2) and collagen type VI alpha 3 (COL6A3). Patients with higher expression of these key genes had worse survival than those with lower expression. In vitro experiments revealed that the mRNA expression levels of PCOLCE, P4HB and COL6A2 were three times higher and that of COL6A3 mRNA was 16 times higher in the metastatic ccRCC cell line Caki-1 than the corresponding primary cell line Caki-2. Immunohistochemistry revealed higher expression of the proteins encoded by these four genes in metastatic ccRCC compared with tumors from the corresponding primary sites, with statistical significance. CONCLUSION PCOLCE, P4HB, COL6A2 and COL6A3 are upregulated in metastatic ccRCC and might be related to poor prognosis and distant metastases.
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Affiliation(s)
- Tingting Zhong
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Zeying Jiang
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xiangdong Wang
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Honglei Wang
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Meiyi Song
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Wenfang Chen
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Shicong Yang
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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11
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Sansilvestri-Morel P, Harouki-Crochemore N, Bertin F, Bertheux H, Vermeil de Conchard G, Diguet N, Desfosses E, Lecomte M, Gonzalez A, Diez J, Tupinon-Mathieu I, Delerive P. Deficiency of Procollagen C-Proteinase Enhancer 1 in Mice has No Major Impact on Cardiac Collagen and Function Under Basal Conditions. J Cardiovasc Pharmacol 2021; 78:e703-e713. [PMID: 34369899 DOI: 10.1097/fjc.0000000000001122] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/01/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT Maturation of fibrillar collagen is known to play a crucial role in the pathophysiology of myocardial fibrosis. Procollagen C-proteinase enhancer 1 (PCPE1) has a key role in procollagen maturation and collagen fibril formation. The phenotype of both male and female PCPE1 knock-out mice was investigated under basal conditions to explore the potential of PCPE1 as a therapeutic target in heart failure. Global constitutive PCPE1-/- mice were generated. Serum procollagen I C-terminal propeptide, organ histology, and cutaneous wound healing were assessed in both wild type (WT) and PCPE1-/- mice. In addition, the cardiac expression of genes involved in collagen metabolism was investigated and the total and insoluble cardiac collagen contents determined. Cardiac function was evaluated by echocardiography. No differences in survival, clinical chemistry, or organ histology were observed in PCPE1-/- mice compared with WT. Serum procollagen I C-terminal propeptide was lower in PCPE1-/- mice. Cardiac mRNA expression of Bmp1, Col1a1, Col3a1, and Loxl2 was similar, whereas Tgfb and Loxl1 mRNA levels were decreased in PCPE1-/- mice compared with sex-matched WT. No modification of total or insoluble cardiac collagen content was observed between the 2 strains. Ejection fraction was slightly decreased in PCPE1-/- male mice, but not in females. Finally, wound healing was not altered in PCPE1-/- mice. PCPE1 deficiency does not trigger any major liabilities and does not affect cardiac collagen content nor its function under basal conditions. Further studies are required to evaluate its role under stressed conditions and determine its suitability as a therapeutic target for heart failure.
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Affiliation(s)
| | - Najah Harouki-Crochemore
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Florence Bertin
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | | | | | - Nicolas Diguet
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | | | - Mathilde Lecomte
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Arantxa Gonzalez
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra, IdiSNA and CIBERCV, Pamplona, Spain
| | - Javier Diez
- Program of Cardiovascular Diseases, CIMA Universidad de Navarra, IdiSNA and CIBERCV, Pamplona, Spain
- Departments of Cardiology and Cardiac Surgery and of Nephrology, Clínica Universidad de Navarra, Pamplona, Spain; and
| | - Isabelle Tupinon-Mathieu
- Cardiovascular and Metabolic Diseases, Institut de Recherches Internationales Servier, Suresnes, France
| | - Philippe Delerive
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
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12
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Xu H, Thomas MJ, Kaul S, Kallinger R, Ouweneel AB, Maruko E, Oussaada SM, Jongejan A, Cense HA, Nieuwdorp M, Serlie MJ, Goldberg IJ, Civelek M, Parks BW, Lusis AJ, Knaack D, Schill RL, May SC, Reho JJ, Grobe JL, Gantner B, Sahoo D, Sorci-Thomas MG. Pcpe2, a Novel Extracellular Matrix Protein, Regulates Adipocyte SR-BI-Mediated High-Density Lipoprotein Uptake. Arterioscler Thromb Vasc Biol 2021; 41:2708-2725. [PMID: 34551590 PMCID: PMC8551036 DOI: 10.1161/atvbaha.121.316615] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 08/24/2021] [Indexed: 01/22/2023]
Abstract
Objective To investigate the role of adipocyte Pcpe2 (procollagen C-endopeptidase enhancer 2) in SR-BI (scavenger receptor class BI)-mediated HDL-C (high-density lipoprotein cholesterol) uptake and contributions to adipose lipid storage. Approach and Results Pcpe2, a glycoprotein devoid of intrinsic proteolytic activity, is believed to participate in extracellular protein-protein interactions, supporting SR-BI- mediated HDL-C uptake. In published studies, Pcpe2 deficiency increased the development of atherosclerosis by reducing SR-BI-mediated HDL-C catabolism, but the biological impact of this deficiency on adipocyte SR-BI-mediated HDL-C uptake is unknown. Differentiated cells from Ldlr-/-/Pcpe2-/- (Pcpe2-/-) mouse adipose tissue showed elevated SR-BI protein levels, but significantly reduced HDL-C uptake compared to Ldlr-/- (control) adipose tissue. SR-BI-mediated HDL-C uptake was restored by preincubation of cells with exogenous Pcpe2. In diet-fed mice lacking Pcpe2, significant reductions in visceral, subcutaneous, and brown adipose tissue mass were observed, despite elevations in plasma triglyceride and cholesterol concentrations. Significant positive correlations exist between adipose mass and Pcpe2 expression in both mice and humans. Conclusions Overall, these findings reveal a novel and unexpected function for Pcpe2 in modulating SR-BI expression and function as it relates to adipose tissue expansion and cholesterol balance in both mice and humans.
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Affiliation(s)
- Hao Xu
- Department of Medicine, Division of Endocrinology and Molecular Medicine
| | - Michael J. Thomas
- Pharmacology & Toxicology and
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Sushma Kaul
- Department of Medicine, Division of Endocrinology and Molecular Medicine
| | | | - Amber B. Ouweneel
- Department of Medicine, Division of Endocrinology and Molecular Medicine
| | - Elisa Maruko
- Department of Medicine, Division of Endocrinology and Molecular Medicine
| | - Sabrina M. Oussaada
- Department of Endocrinology and Metabolism, Amsterdam University Medical Centers, Academic Medical Center, Amsterdam, the Netherlands
| | - Aldo Jongejan
- Department of Bioinformatics, Amsterdam University Medical Centers, Academic Medical Center, Amsterdam, the Netherlands
| | - Huib A. Cense
- Department of Surgery, Rode Kruis Ziekenhuis, Beverwijk, the Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Academic Medical Center, Amsterdam, the Netherlands
| | - Mireille J. Serlie
- Department of Endocrinology and Metabolism, Amsterdam University Medical Centers, Academic Medical Center, Amsterdam, the Netherlands
| | - Ira J. Goldberg
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, New York University Langone School of Medicine, New York, NY
| | - Mete Civelek
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA
| | - Brian W. Parks
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI
| | - Aldons J. Lusis
- Department of Medicine, Human Genetics, Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, California
| | - Darcy Knaack
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Rebecca L. Schill
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Sarah C. May
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - John J. Reho
- Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Comprehensive Rodent Metabolic Phenotyping Core
| | - Justin L. Grobe
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Physiology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Comprehensive Rodent Metabolic Phenotyping Core
- Department of Biomedical Engineering
| | - Benjamin Gantner
- Department of Medicine, Division of Endocrinology and Molecular Medicine
| | - Daisy Sahoo
- Department of Medicine, Division of Endocrinology and Molecular Medicine
- Pharmacology & Toxicology and
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Mary G. Sorci-Thomas
- Department of Medicine, Division of Endocrinology and Molecular Medicine
- Pharmacology & Toxicology and
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, Wisconsin
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13
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Nyström A, Bruckner-Tuderman L, Kiritsi D. Dystrophic Epidermolysis Bullosa: Secondary Disease Mechanisms and Disease Modifiers. Front Genet 2021; 12:737272. [PMID: 34650598 PMCID: PMC8505774 DOI: 10.3389/fgene.2021.737272] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/25/2021] [Indexed: 12/30/2022] Open
Abstract
The phenotypic presentation of monogenetic diseases is determined not only by the nature of the causative mutations but also is influenced by manifold cellular, microenvironmental, and external factors. Here, heritable extracellular matrix diseases, including dystrophic epidermolysis bullosa (DEB), are no exceptions. Dystrophic epidermolysis bullosa is caused by mutations in the COL7A1 gene encoding collagen VII. Deficiency of collagen VII leads to skin and mucosal fragility, which progresses from skin blistering to severe fibrosis and cancer. Clinical and pre-clinical studies suggest that targeting of secondary disease mechanisms or employment of natural disease modifiers can alleviate DEB severity and progression. However, since many of these mechanisms are needed for tissue homeostasis, informed, selective targeting is essential for safe and efficacious treatment. Here, we discuss a selection of key disease modifiers and modifying processes active in DEB, summarize the still scattered knowledge of them, and reflect on ways forward toward their utilization for symptom-relief or enhancement of curative therapies.
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Affiliation(s)
- Alexander Nyström
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany.,Freiburg Institute for Advanced Studies, Freiburg, Germany
| | - Leena Bruckner-Tuderman
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany
| | - Dimitra Kiritsi
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany
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14
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Kruppa D, Peters F, Bornert O, Maler MD, Martin SF, Becker-Pauly C, Nyström A. Distinct contributions of meprins to skin regeneration after injury - Meprin α a physiological processer of pro-collagen VII. Matrix Biol Plus 2021; 11:100065. [PMID: 34435182 PMCID: PMC8377016 DOI: 10.1016/j.mbplus.2021.100065] [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: 03/12/2021] [Revised: 04/28/2021] [Accepted: 05/03/2021] [Indexed: 02/07/2023] Open
Abstract
Meprins subtly support epidermal and dermal skin wound healing. Loss of both meprins reduces re-epithelialization and wound macrophage abundance. Meprin α is a physiological maturing proteinase of collagen VII. Meprins are reduced in recessive dystrophic epidermolysis bullosa skin.
Astacin-like proteinases (ALPs) are regulators of tissue and extracellular matrix (ECM) homeostasis. They convey this property through their ability to convert ECM protein pro-forms to functional mature proteins and by regulating the bioavailability of growth factors that stimulate ECM synthesis. The most studied ALPs in this context are the BMP-1/tolloid-like proteinases. The other subclass of ALPs in vertebrates – the meprins, comprised of meprin α and meprin β – are emerging as regulators of tissue and ECM homeostasis but have so far been only limitedly investigated. Here, we functionally assessed the roles of meprins in skin wound healing using mice genetically deficient in one or both meprins. Meprin deficiency did not change the course of macroscopic wound closure. However, subtle but distinct contributions of meprins to the healing process and dermal homeostasis were observed. Loss of both meprins delayed re-epithelialization and reduced macrophage infiltration. Abnormal dermal healing and ECM regeneration was observed in meprin deficient wounds. Our analyses also revealed meprin α as one proteinase responsible for maturation of pro-collagen VII to anchoring fibril-forming-competent collagen VII in vivo. Collectively, our study identifies meprins as subtle players in skin wound healing.
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Key Words
- ALP, astacin-like proteinase
- BSA, bovine serum albumine
- BTP, BMP-1/tolloid-like proteinase
- DAPI, 4′-,6-diamidino-2-phenylindole
- DEJ, dermal epidermal junction
- DMEM, Dulbecco’s modified Eagle’s medium
- Dystrophic epidermolysis bullosa
- ECM, extracellular matrix
- Extracellular matrix
- FA, formic acid
- FBS, fetal bovine serum
- Fibrosis
- Inflammation
- NC, non-collagenous
- PBS, phosphate-buffered saline
- TBS, tris-buffered saline
- WT, wild type
- Wound healing
- qPCR, quantitative polymerase chain reaction
- αSMA, α-smooth muscle actin
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Affiliation(s)
- Daniel Kruppa
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Florian Peters
- Biochemical Institute, Christian-Albrechts-University Kiel, Germany.,Laboratory for Retinal Cell Biology, Department of Ophthalmology, University Hospital Zurich, University of Schlieren / Zurich, Schlieren, Zurich, Switzerland
| | - Olivier Bornert
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
| | - Mareike D Maler
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Stefan F Martin
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
| | | | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
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15
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Lagoutte P, Bettler E, Vadon-Le Goff S, Moali C. Procollagen C-proteinase enhancer-1 (PCPE-1), a potential biomarker and therapeutic target for fibrosis. Matrix Biol Plus 2021; 11:100062. [PMID: 34435180 PMCID: PMC8377038 DOI: 10.1016/j.mbplus.2021.100062] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023] Open
Abstract
The correct balance between collagen synthesis and degradation is essential for almost every aspect of life, from development to healthy aging, reproduction and wound healing. When this balance is compromised by external or internal stress signals, it very often leads to disease as is the case in fibrotic conditions. Fibrosis occurs in the context of defective tissue repair and is characterized by the excessive, aberrant and debilitating deposition of fibril-forming collagens. Therefore, the numerous proteins involved in the biosynthesis of fibrillar collagens represent a potential and still underexploited source of therapeutic targets to prevent fibrosis. One such target is procollagen C-proteinase enhancer-1 (PCPE-1) which has the unique ability to accelerate procollagen maturation by BMP-1/tolloid-like proteinases (BTPs) and contributes to trigger collagen fibrillogenesis, without interfering with other BTP functions or the activities of other extracellular metalloproteinases. This role is achieved through a fine-tuned mechanism of action that is close to being elucidated and offers promising perspectives for drug design. Finally, the in vivo data accumulated in recent years also confirm that PCPE-1 overexpression is a general feature and early marker of fibrosis. In this review, we describe the results which presently support the driving role of PCPE-1 in fibrosis and discuss the questions that remain to be solved to validate its use as a biomarker or therapeutic target.
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Key Words
- ADAMTS, a disintegrin and metalloproteinase with thrombospondin motifs
- AS, aortic valve stenosis
- BMP, bone morphogenetic protein
- Biomarker
- CKD, chronic kidney disease
- CP, C-propeptide
- CUB, complement, Uegf, BMP-1
- CVD, cardiovascular disease
- Collagen
- DMD, Duchenne muscular dystrophy
- ECM, extracellular matrix
- EGF, epidermal growth factor
- ELISA, enzyme-linked immunosorbent assay
- Fibrillogenesis
- Fibrosis
- HDL, high-density lipoprotein
- HSC, hepatic stellate cell
- HTS, hypertrophic scar
- IPF, idiopathic pulmonary fibrosis
- LDL, low-density lipoprotein
- MI, myocardial infarction
- MMP, matrix metalloproteinase
- NASH, nonalcoholic steatohepatitis
- NTR, netrin
- OPMD, oculopharyngeal muscular dystrophy
- PABPN1, poly(A)-binding protein nuclear 1
- PCP, procollagen C-proteinase
- PCPE, procollagen C-proteinase enhancer
- PNP, procollagen N-proteinase
- Proteolysis
- SPC, subtilisin proprotein convertase
- TGF-β, transforming growth-factor β
- TIMP, tissue inhibitor of metalloproteinases
- TSPN, thrombospondin-like N-terminal
- Therapeutic target
- eGFR, estimated glomerular filtration rate
- mTLD, mammalian tolloid
- mTLL, mammalian tolloid-like
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Affiliation(s)
- Priscillia Lagoutte
- University of Lyon, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Emmanuel Bettler
- University of Lyon, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Sandrine Vadon-Le Goff
- University of Lyon, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
| | - Catherine Moali
- University of Lyon, CNRS, Tissue Biology and Therapeutic Engineering Laboratory, LBTI, UMR5305, F-69367 Lyon, France
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16
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Tian C, Huang Y, Clauser KR, Rickelt S, Lau AN, Carr SA, Vander Heiden MG, Hynes RO. Suppression of pancreatic ductal adenocarcinoma growth and metastasis by fibrillar collagens produced selectively by tumor cells. Nat Commun 2021; 12:2328. [PMID: 33879793 PMCID: PMC8058088 DOI: 10.1038/s41467-021-22490-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 03/16/2021] [Indexed: 12/21/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) has a collagen-rich dense extracellular matrix (ECM) that promotes malignancy of cancer cells and presents a barrier for drug delivery. Data analysis of our published mass spectrometry (MS)-based studies on enriched ECM from samples of progressive PDAC stages reveal that the C-terminal prodomains of fibrillar collagens are partially uncleaved in PDAC ECM, suggesting reduced procollagen C-proteinase activity. We further show that the enzyme responsible for procollagen C-proteinase activity, bone morphogenetic protein1 (BMP1), selectively suppresses tumor growth and metastasis in cells expressing high levels of COL1A1. Although BMP1, as a secreted proteinase, promotes fibrillar collagen deposition from both cancer cells and stromal cells, only cancer-cell-derived procollagen cleavage and deposition suppresses tumor malignancy. These studies reveal a role for cancer-cell-derived fibrillar collagen in selectively restraining tumor growth and suggest stratification of patients based on their tumor epithelial collagen I expression when considering treatments related to perturbation of fibrillar collagens.
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MESH Headings
- Animals
- Bone Morphogenetic Protein 1/metabolism
- Carcinoma, Pancreatic Ductal/metabolism
- Carcinoma, Pancreatic Ductal/pathology
- Carcinoma, Pancreatic Ductal/secondary
- Cell Line, Tumor
- Collagen Type I/chemistry
- Collagen Type I/genetics
- Collagen Type I/metabolism
- Collagen Type I, alpha 1 Chain
- Disease Progression
- Extracellular Matrix/metabolism
- Extracellular Matrix Proteins/metabolism
- Fibrillar Collagens/chemistry
- Fibrillar Collagens/genetics
- Fibrillar Collagens/metabolism
- Humans
- Mice
- Mice, Inbred NOD
- Mice, Knockout
- Mice, SCID
- Mutagenesis
- Pancreatic Neoplasms/genetics
- Pancreatic Neoplasms/metabolism
- Pancreatic Neoplasms/pathology
- Procollagen/chemistry
- Procollagen/genetics
- Procollagen/metabolism
- Protein Domains
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
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Affiliation(s)
- Chenxi Tian
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ying Huang
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - Steffen Rickelt
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Allison N Lau
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Steven A Carr
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber Cancer Institute, Boston, MA, USA
| | - Richard O Hynes
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Howard Hughes Medical Institute, Chevy Chase, MD, USA.
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17
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Lückstädt W, Bub S, Koudelka T, Pavlenko E, Peters F, Somasundaram P, Becker-Pauly C, Lucius R, Zunke F, Arnold P. Cell Surface Processing of CD109 by Meprin β Leads to the Release of Soluble Fragments and Reduced Expression on Extracellular Vesicles. Front Cell Dev Biol 2021; 9:622390. [PMID: 33738281 PMCID: PMC7960916 DOI: 10.3389/fcell.2021.622390] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/29/2021] [Indexed: 12/21/2022] Open
Abstract
Cluster of differentiation 109 (CD109) is a glycosylphosphatidylinositol (GPI)-anchored protein expressed on primitive hematopoietic stem cells, activated platelets, CD4+ and CD8+ T cells, and keratinocytes. In recent years, CD109 was also associated with different tumor entities and identified as a possible future diagnostic marker linked to reduced patient survival. Also, different cell signaling pathways were proposed as targets for CD109 interference including the TGFβ, JAK-STAT3, YAP/TAZ, and EGFR/AKT/mTOR pathways. Here, we identify the metalloproteinase meprin β to cleave CD109 at the cell surface and thereby induce the release of cleavage fragments of different size. Major cleavage was identified within the bait region of CD109 residing in the middle of the protein. To identify the structural localization of the bait region, homology modeling and single-particle analysis were applied, resulting in a molecular model of membrane-associated CD109, which allows for the localization of the newly identified cleavage sites for meprin β and the previously published cleavage sites for the metalloproteinase bone morphogenetic protein-1 (BMP-1). Full-length CD109 localized on extracellular vesicles (EVs) was also identified as a release mechanism, and we can show that proteolytic cleavage of CD109 at the cell surface reduces the amount of CD109 sorted to EVs. In summary, we identified meprin β as the first membrane-bound protease to cleave CD109 within the bait region, provide a first structural model for CD109, and show that cell surface proteolysis correlates negatively with CD109 released on EVs.
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Affiliation(s)
- Wiebke Lückstädt
- Anatomical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Simon Bub
- Anatomical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
- Department of Molecular Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Tomas Koudelka
- Systematic Proteomics and Bioanalytics, Institute for Experimental Medicine, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Egor Pavlenko
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Florian Peters
- Lab for Retinal Cell Biology, Department of Ophthalmology, University of Zurich, Schlieren, Switzerland
| | - Prasath Somasundaram
- Systematic Proteomics and Bioanalytics, Institute for Experimental Medicine, Christian-Albrechts-University Kiel, Kiel, Germany
| | | | - Ralph Lucius
- Anatomical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Friederike Zunke
- Department of Molecular Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Philipp Arnold
- Anatomical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
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18
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Xiang A, Lin X, Xu L, Chen H, Guo J, Zhou F. PCOLCE Is Potent Prognostic Biomarker and Associates With Immune Infiltration in Gastric Cancer. Front Mol Biosci 2020; 7:544895. [PMID: 33392251 PMCID: PMC7775582 DOI: 10.3389/fmolb.2020.544895] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/08/2020] [Indexed: 12/25/2022] Open
Abstract
Background The exact biological role of PCOLCE was not yet clear and there were few reports study the correlation of PCOLCE gene expression level with the occurrence and development of gastric cancer. Methods The expression of PCOLCE was analyzed by performing the Oncomine and Ualcan database. We evaluated the function of PCOLCE on clinical prognosis with the use of Kaplan-Meier plotter database. The relationship between PCOLCE and cancer immune in filtrates was researched by Tumor Immune Estimation Resource (TIMER) site database. Results PCOLCE significantly upregulated in gastric cancer patients compared to normal gastric samples. And the increased expression of PCOLCE mRNA was closely linked to shorter overall survival (OS), progress-free survival (PFS) in all gastric cancers. Besides, PCOLCE expression displayed a tight correlation with infiltrating levels of macrophages and dendritic cells (DCs) in gastric cancer. Moreover, PCOLCE expression was positively correlated with diverse immune marker sets in gastric cancer. Conclusion All the results above suggested that overexpression of PCOLCE indicated unfavorable prognosis in patients with gastric cancer. PCOLCE was correlated with immune infiltrating levels including those of B cells, CD8 + T cells, CD4 + T cells, macrophages, neutrophils, and DCs in gastric cancer patients. All the findings suggested that PCOLCE could be used as a prognostic biomarker for determining prognosis and immune infiltration in gastric cancer. Additionally, PCOLCE expression potentially contributed to the regulation of monocyte, M2 macrophage, Tfh, CD8 + T cell, TAM, Th1 cell Thus PCOLCE is a potential target for gastric cancer therapy and these preliminary findings require further study to determine whether PCOLCE-targeting reagents might be developed for clinical application in gastric cancer.
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Affiliation(s)
- Aizhai Xiang
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xia Lin
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lvping Xu
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Honggang Chen
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jufeng Guo
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fang Zhou
- Hangzhou First People's Hospital, Hangzhou, China.,Department of Breast Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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19
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Migliorini E, Guevara-Garcia A, Albiges-Rizo C, Picart C. Learning from BMPs and their biophysical extracellular matrix microenvironment for biomaterial design. Bone 2020; 141:115540. [PMID: 32730925 PMCID: PMC7614069 DOI: 10.1016/j.bone.2020.115540] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 01/19/2023]
Abstract
It is nowadays well-accepted that the extracellular matrix (ECM) is not a simple reservoir for growth factors but is an organization center of their biological activity. In this review, we focus on the ability of the ECM to regulate the biological activity of BMPs. In particular, we survey the role of the ECM components, notably the glycosaminoglycans and fibrillary ECM proteins, which can be promoters or repressors of the biological activities mediated by the BMPs. We examine how a process called mechano-transduction induced by the ECM can affect BMP signaling, including BMP internalization by the cells. We also focus on the spatio-temporal regulation of the BMPs, including their release from the ECM, which enables to modulate their spatial localization as well as their local concentration. We highlight how biomaterials can recapitulate some aspects of the BMPs/ECM interactions and help to answer fundamental questions to reveal previously unknown molecular mechanisms. Finally, the design of new biomaterials inspired by the ECM to better present BMPs is discussed, and their use for a more efficient bone regeneration in vivo is also highlighted.
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Affiliation(s)
- Elisa Migliorini
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France.
| | - Amaris Guevara-Garcia
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France; Université Grenoble Alpes, Institut for Advances Biosciences, Institute Albert Bonniot, INSERM U1209, CNRS 5309, La Tronche, France
| | - Corinne Albiges-Rizo
- Université Grenoble Alpes, Institut for Advances Biosciences, Institute Albert Bonniot, INSERM U1209, CNRS 5309, La Tronche, France
| | - Catherine Picart
- CNRS, Grenoble Institute of Technology, LMGP, UMR 5628, 3 Parvis Louis Néel, 38016 Grenoble, France; CEA, Institute of Interdisciplinary Research of Grenoble (IRIG), Biomimetism and Regenerative Medicine Lab, ERL 5000, Université Grenoble-Alpes (UGA)/CEA/CNRS, Grenoble France.
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20
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Anastasi C, Rousselle P, Talantikite M, Tessier A, Cluzel C, Bachmann A, Mariano N, Dussoyer M, Alcaraz LB, Fortin L, Aubert A, Delolme F, El Kholti N, Armengaud J, Fournié P, Auxenfans C, Valcourt U, Goff SVL, Moali C. BMP-1 disrupts cell adhesion and enhances TGF-β activation through cleavage of the matricellular protein thrombospondin-1. Sci Signal 2020; 13:13/639/eaba3880. [PMID: 32636307 DOI: 10.1126/scisignal.aba3880] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bone morphogenetic protein 1 (BMP-1) is an important metalloproteinase that synchronizes growth factor activation with extracellular matrix assembly during morphogenesis and tissue repair. The mechanisms by which BMP-1 exerts these effects are highly context dependent. Because BMP-1 overexpression induces marked phenotypic changes in two human cell lines (HT1080 and 293-EBNA cells), we investigated how BMP-1 simultaneously affects cell-matrix interactions and growth factor activity in these cells. Increasing BMP-1 led to a loss of cell adhesion that depended on the matricellular glycoprotein thrombospondin-1 (TSP-1). BMP-1 cleaved TSP-1 between the VWFC/procollagen-like domain and the type 1 repeats that mediate several key TSP-1 functions. This cleavage induced the release of TSP-1 C-terminal domains from the extracellular matrix and abolished its previously described multisite cooperative interactions with heparan sulfate proteoglycans and CD36 on HT1080 cells. In addition, BMP-1-dependent proteolysis potentiated the TSP-1-mediated activation of latent transforming growth factor-β (TGF-β), leading to increased signaling through the canonical SMAD pathway. In primary human corneal stromal cells (keratocytes), endogenous BMP-1 cleaved TSP-1, and the addition of exogenous BMP-1 enhanced cleavage, but this had no substantial effect on cell adhesion. Instead, processed TSP-1 promoted the differentiation of keratocytes into myofibroblasts and stimulated production of the myofibroblast marker α-SMA, consistent with the presence of processed TSP-1 in human corneal scars. Our results indicate that BMP-1 can both trigger the disruption of cell adhesion and stimulate TGF-β signaling in TSP-1-rich microenvironments, which has important potential consequences for wound healing and tumor progression.
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Affiliation(s)
- Cyril Anastasi
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Patricia Rousselle
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Maya Talantikite
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Agnès Tessier
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Caroline Cluzel
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Alice Bachmann
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Natacha Mariano
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Mélissa Dussoyer
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Lindsay B Alcaraz
- University of Lyon, Centre Léon Bérard, INSERM U1052, CNRS UMR 5286, Cancer Research Center of Lyon (CRCL), F-69373 Lyon, France
| | - Laëtitia Fortin
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Alexandre Aubert
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Frédéric Delolme
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France.,University of Lyon, ENS de Lyon, INSERM US8, CNRS UMS3444, SFR Biosciences, F-69366 Lyon, France
| | - Naïma El Kholti
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Jean Armengaud
- CEA Marcoule, Innovative Technologies for Detection and Diagnostics Laboratory (DRF/Joliot/DMTS/SPI/Li2D), F-30200 Bagnols-sur-Cèze, France
| | - Pierre Fournié
- Purpan University Hospital, Ophthalmology Department, F-31059 Toulouse, France.,University of Toulouse, CNRS UMR 5165, INSERM U1056, Epithelial Differentiation and Rheumatoid Autoimmunity Unit (UDEAR), F-31059 Toulouse, France
| | - Céline Auxenfans
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France.,Hospices Civils de Lyon, Tissue and Cell Bank, F-69437 Lyon, France
| | - Ulrich Valcourt
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France.,University of Lyon, Centre Léon Bérard, INSERM U1052, CNRS UMR 5286, Cancer Research Center of Lyon (CRCL), F-69373 Lyon, France
| | - Sandrine Vadon-Le Goff
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France
| | - Catherine Moali
- University of Lyon, CNRS UMR 5305, Tissue Biology and Therapeutic Engineering Laboratory (LBTI), F-69367 Lyon, France.
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21
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Karsdal MA, Daniels SJ, Holm Nielsen S, Bager C, Rasmussen DGK, Loomba R, Surabattula R, Villesen IF, Luo Y, Shevell D, Gudmann NS, Nielsen MJ, George J, Christian R, Leeming DJ, Schuppan D. Collagen biology and non-invasive biomarkers of liver fibrosis. Liver Int 2020; 40:736-750. [PMID: 31997561 DOI: 10.1111/liv.14390] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/19/2019] [Accepted: 01/18/2020] [Indexed: 12/12/2022]
Abstract
There is an unmet need for high-quality liquid biomarkers that can safely and reproducibly predict the stage of fibrosis and the outcomes of chronic liver disease (CLD). The requirement for such markers has intensified because of the high global prevalence of diseases such as non-alcoholic fatty liver disease (NAFLD). In particular, there is a need for diagnostic and prognostic tools, as well as predictive biomarkers that reflect the efficacy of interventions, as described by the BEST criteria (Biomarkers, EndpointS, and other Tools Resource). This review covers the various liver collagens, their functional role in tissue homeostasis and delineates the common nomenclature for biomarkers based on BEST criteria. It addresses the common confounders affecting serological biomarkers, and describes defined collagen epitope biomarkers that originate from the dynamic processes of extracellular matrix (ECM) remodelling during liver injury.
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Affiliation(s)
- Morten A Karsdal
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | - Samuel J Daniels
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | | | - Cecilie Bager
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | | | - Rohit Loomba
- Division of Gastroenterology and Division of Epidemiology, NAFLD Research Center, University of California, San Diego, CA, USA
| | - Rambabu Surabattula
- Division of Gastroenterology and Division of Epidemiology, NAFLD Research Center, University of California, San Diego, CA, USA
| | - Ida Falk Villesen
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark.,University of Copenhagen, Copenhagen, Denmark
| | - Yi Luo
- Innovative Medicine, Bristol Myers-Squibb, Princeton, NJ, USA
| | - Diane Shevell
- Innovative Medicine, Bristol Myers-Squibb, Princeton, NJ, USA
| | - Natasja S Gudmann
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | - Mette J Nielsen
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | - Jacob George
- Storr Liver Centre, The Westmead Institute for Medical Research, University of Sydney and Westmead Hospital, Westmead, NSW, Australia
| | - Rose Christian
- Innovative Medicine, Bristol Myers-Squibb, Princeton, NJ, USA
| | - Diana J Leeming
- Nordic Bioscience, Fibrosis Biomarkers and Research, Herlev, Denmark
| | - Detlef Schuppan
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.,Institute of Translational Immunology and Research Center for Immune Therapy, University Medical Center, Johannes Gutenberg University, Mainz, Germany
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22
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Modelling the early evolution of extracellular matrix from modern Ctenophores and Sponges. Essays Biochem 2019; 63:389-405. [DOI: 10.1042/ebc20180048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/29/2019] [Accepted: 08/01/2019] [Indexed: 12/14/2022]
Abstract
AbstractAnimals (metazoans) include some of the most complex living organisms on Earth, with regard to their multicellularity, numbers of differentiated cell types, and lifecycles. The metazoan extracellular matrix (ECM) is well-known to have major roles in the development of tissues during embryogenesis and in maintaining homoeostasis throughout life, yet insight into the ECM proteins which may have contributed to the transition from unicellular eukaryotes to multicellular animals remains sparse. Recent phylogenetic studies place either ctenophores or poriferans as the closest modern relatives of the earliest emerging metazoans. Here, we review the literature and representative genomic and transcriptomic databases for evidence of ECM and ECM-affiliated components known to be conserved in bilaterians, that are also present in ctenophores and/or poriferans. Whereas an extensive set of related proteins are identifiable in poriferans, there is a strikingly lack of conservation in ctenophores. From this perspective, much remains to be learnt about the composition of ctenophore mesoglea. The principal ECM-related proteins conserved between ctenophores, poriferans, and bilaterians include collagen IV, laminin-like proteins, thrombospondin superfamily members, integrins, membrane-associated proteoglycans, and tissue transglutaminase. These are candidates for a putative ancestral ECM that may have contributed to the emergence of the metazoans.
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23
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Roles of the procollagen C-propeptides in health and disease. Essays Biochem 2019; 63:313-323. [DOI: 10.1042/ebc20180049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/01/2019] [Accepted: 06/04/2019] [Indexed: 11/17/2022]
Abstract
AbstractThe procollagen C-propeptides of the fibrillar collagens play key roles in the intracellular assembly of procollagen molecules from their constituent polypeptides chains, and in the extracellular assembly of collagen molecules into fibrils. Here we review recent advances in understanding the molecular mechanisms controlling C-propeptide trimerization which have revealed the importance of inter-chain disulphide bonding and a small number of charged amino acids in the stability and specificity of different types of chain association. We also show how the crystal structure of the complex between the C-propeptide trimer of procollagen III and the active fragment of procollagen C-proteinase enhancer-1 leads to a detailed model for accelerating release of the C-propeptides from procollagen by bone morphogenetic protein-1 and related proteinases. We then discuss the effects of disease-related missense mutations in the C-propeptides in relation to the sites of these mutations in the three-dimensional structure. While in general there is a good correlation between disease severity and structure-based predictions, there are notable exceptions, suggesting new interactions involving the C-propeptides yet to be characterized. Mutations affecting proteolytic release of the C-propeptides from procollagen are discussed in detail. Finally, the roles of recently discovered interaction partners for the C-propeptides are considered during fibril assembly and cross-linking.
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24
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Gohar O, Weiss T, Wineman E, Kessler E. Ascorbic Acid Promotes Procollagen C‐Proteinase Enhancer 1 Expression, Secretion, and Cell Membrane Localization. Anat Rec (Hoboken) 2019; 303:1670-1679. [DOI: 10.1002/ar.24182] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 12/31/2018] [Accepted: 01/18/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Ofra Gohar
- Tel Aviv University Sackler Faculty of MedicineMaurice and Gabriela Goldschleger Eye Research Institute, Sheba Medical Center Tel‐Hashomer Israel
| | - Tali Weiss
- Tel Aviv University Sackler Faculty of MedicineMaurice and Gabriela Goldschleger Eye Research Institute, Sheba Medical Center Tel‐Hashomer Israel
| | - Eitan Wineman
- Tel Aviv University Sackler Faculty of MedicineMaurice and Gabriela Goldschleger Eye Research Institute, Sheba Medical Center Tel‐Hashomer Israel
| | - Efrat Kessler
- Tel Aviv University Sackler Faculty of MedicineMaurice and Gabriela Goldschleger Eye Research Institute, Sheba Medical Center Tel‐Hashomer Israel
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25
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Wang S, Zhong L, Li Y, Xiao D, Zhang R, Liao D, Lv D, Wang X, Wang J, Xie X, Chen J, Wu Y, Kang T. Up-regulation of PCOLCE by TWIST1 promotes metastasis in Osteosarcoma. Theranostics 2019; 9:4342-4353. [PMID: 31285765 PMCID: PMC6599655 DOI: 10.7150/thno.34090] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/26/2019] [Indexed: 01/13/2023] Open
Abstract
Procollagen C-proteinase enhancer protein (PCOLCE) was originally identified as an enhancer to facilitate the catalysis of procollagens by BMP1. PCOLCE participates in the reconstitution of extracellular and corneal repair. The elevation of PCOLCE in blood indicates that breast cancer has metastasized into the bones. However, direct research on PCOLCE has not been reported. Methods: ECM candidates were identified by RNA-seq analysis from 4 normal and 16 osteosarcoma tissues. The in vitro migration and invasion abilities of osteosarcoma cells were determined by a Transwell assay. A spontaneous metastatic osteosarcoma model was established to assess osteosarcoma metastasis in vivo. The N-linked glycosylated amino acids were identified by PNGase F treatment combined with Western blotting. The mechanism of TWIST1 regulating PCOLCE transcription was elucidated by luciferase, qPCR and ChIP assays. Results: PCOLCE was markedly up-regulated in human osteosarcoma tissues compared to its expression in noncancerous adjacent tissues; high PCOLCE expression in tissues correlated with a poor patient prognosis, and the knockdown of PCOLCE by shRNAs impaired the migration, invasion and lung metastasis of osteosarcoma cells. The overexpression of wild-type PCOLCE, but not its N29Q mutant, promoted migration, invasion and metastasis, indicating that the glycosylation of PCOLCE at Asn29 is necessary for its functions in osteosarcoma. TWIST1, a key transcription factor in metastasis, was also overexpressed in osteosarcoma tissues and positively correlated with either PCOLCE or its potential procollagen substrates, such as COL1A1, COL1A2, COL5A1, COL8A2 and COL10A1. Conclusion: Our findings are the first to provide evidence that PCOLCE plays a critical role in promoting the lung metastasis of osteosarcoma, and this up-regulation of PCOLCE by TWIST1 may lead to a new therapeutic strategy to treat patients with metastatic osteosarcoma.
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26
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Barnes AM, Ashok A, Makareeva EN, Brusel M, Cabral WA, Weis M, Moali C, Bettler E, Eyre DR, Cassella JP, Leikin S, Hulmes DJS, Kessler E, Marini JC. COL1A1 C-propeptide mutations cause ER mislocalization of procollagen and impair C-terminal procollagen processing. Biochim Biophys Acta Mol Basis Dis 2019; 1865:2210-2223. [PMID: 31055083 DOI: 10.1016/j.bbadis.2019.04.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 04/15/2019] [Accepted: 04/30/2019] [Indexed: 10/26/2022]
Abstract
Mutations in the type I procollagen C-propeptide occur in ~6.5% of Osteogenesis Imperfecta (OI) patients. They are of special interest because this region of procollagen is involved in α chain selection and folding, but is processed prior to fibril assembly and is absent in mature collagen fibrils in tissue. We investigated the consequences of seven COL1A1 C-propeptide mutations for collagen biochemistry in comparison to three probands with classical glycine substitutions in the collagen helix near the C-propeptide and a normal control. Procollagens with C-propeptide defects showed the expected delayed chain incorporation, slow folding and overmodification. Immunofluorescence microscopy indicated that procollagen with C-propeptide defects was mislocalized to the ER lumen, in contrast to the ER membrane localization of normal procollagen and procollagen with helical substitutions. Notably, pericellular processing of procollagen with C-propeptide mutations was defective, with accumulation of pC-collagen and/or reduced production of mature collagen. In vitro cleavage assays with BMP-1 ± PCPE-1 confirmed impaired C-propeptide processing of procollagens containing mutant proα1(I) chains. Overmodified collagens were incorporated into the matrix in culture. Dermal fibrils showed alterations in average diameter and diameter variability and bone fibrils were disorganized. Altered ER-localization and reduced pericellular processing of defective C-propeptides are expected to contribute to abnormal osteoblast differentiation and matrix function, respectively.
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Affiliation(s)
- Aileen M Barnes
- Section of Heritable Disorders of Bone and Extracellular Matrix, NICHD, NIH, Bethesda, MD, United States of America
| | - Aarthi Ashok
- Section of Heritable Disorders of Bone and Extracellular Matrix, NICHD, NIH, Bethesda, MD, United States of America; University of Toronto Scarborough, Toronto, ON, Canada
| | - Elena N Makareeva
- Section on Physical Biochemistry, NICHD, NIH, Bethesda, MD, United States of America
| | - Marina Brusel
- Goldschleger Eye Research Institute, Tel Aviv University Sackler Faculty of Medicine, Tel-Hashomer, Israel
| | - Wayne A Cabral
- Section of Heritable Disorders of Bone and Extracellular Matrix, NICHD, NIH, Bethesda, MD, United States of America; Molecular Genetics Section, Medical Genomics and Metabolic Genetics Branch, NHGRI, NIH, Bethesda, MD, United States of America
| | - MaryAnn Weis
- Orthopaedic Research Labs, University of Washington, Seattle, WA, United States of America
| | - Catherine Moali
- Tissue Biology and Therapeutic Engineering Unit, UMR5305, CNRS/University of Lyon, Lyon, France
| | - Emmanuel Bettler
- Tissue Biology and Therapeutic Engineering Unit, UMR5305, CNRS/University of Lyon, Lyon, France
| | - David R Eyre
- Orthopaedic Research Labs, University of Washington, Seattle, WA, United States of America
| | - John P Cassella
- Department of Forensic and Crime Science, Staffordshire University, Staffordshire, UK
| | - Sergey Leikin
- Section on Physical Biochemistry, NICHD, NIH, Bethesda, MD, United States of America
| | - David J S Hulmes
- Tissue Biology and Therapeutic Engineering Unit, UMR5305, CNRS/University of Lyon, Lyon, France
| | - Efrat Kessler
- Goldschleger Eye Research Institute, Tel Aviv University Sackler Faculty of Medicine, Tel-Hashomer, Israel
| | - Joan C Marini
- Section of Heritable Disorders of Bone and Extracellular Matrix, NICHD, NIH, Bethesda, MD, United States of America.
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27
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Abstract
The size and relatively high GC content of cDNAs are challenges for efficient targeted engineering of large collagens. There are both basic biological and therapeutic interests in the ability to modify collagens, as this would allow for studies precisely describing interactions of collagens with specific interaction partners, addressing consequences of individual disease-causing mutations, and assessing therapeutic applicability of precision medicine approaches. Using collagen VII as an example, we will here describe a strategy for rapid and simple modification of cDNAs encoding large collagens. The method is flexible and can be used for the creation of point mutations, small or large deletions, and insertion of DNA.
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Affiliation(s)
- Olivier Bornert
- Department of Dermatology, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany.
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28
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Abstract
Fibrosis is characterized by excessive deposition of collagen and additional extracellular matrix (ECM) components in response to chronic injuries. Liver fibrosis often results from chronic hepatitis C virus infection and alcohol abuse that can deteriorate to cirrhosis and liver failure. Current noninvasive diagnostic methods of liver fibrosis are limited in their ability to detect and differentiate between early and intermediate stages of fibrosis. New biomarkers of fibrosis that reflect ECM turnover are therefore badly needed. Procollagen C-proteinase enhancer 1 (PCPE-1), a connective tissue glycoprotein that functions as a positive regulator of C-terminal procollagen processing and subsequent collagen fibril assembly, is a promising candidate. Its tissue distribution and expression profile overlap those of collagen, and its expression in fibrosis is upregulated in parallel to the increase in collagen expression. The potential of PCPE-1 as a biomarker of liver fibrosis was recently established using a CCl4 mouse model of liver fibrosis by showing that the increase in collagen and PCPE-1 content in the fibrotic mouse liver was reflected by elevated plasma levels of PCPE-1. This was achieved using a newly developed highly sensitive, specific, accurate, and reproducible ELISA for mouse PCPE-1, which is based on commercially available antibodies and is offered as a new research tool in the field. A similar ELISA test was developed for human PCPE-1, and preliminary results with plasma from liver fibrosis patients revealed increased plasma concentrations of PCPE-1 in some patients. The protocols of both ELISA tests are outlined herein in great detail to permit their application by any laboratory with similar interests.
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Affiliation(s)
- Efrat Kessler
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, Israel. .,Clinical Biochemistry and Pharmacology Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
| | - Eyal Hassoun
- Clinical Biochemistry and Pharmacology Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
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29
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Zhu Q, Guo W, Zhang S, Feng Y, Wang X, Zhou L, Huang GR. Synergistic effect of PCPE1 and sFRP2 on the processing of procollagens via BMP1. FEBS Lett 2018; 593:119-127. [PMID: 30411347 DOI: 10.1002/1873-3468.13291] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/25/2018] [Accepted: 10/31/2018] [Indexed: 12/14/2022]
Abstract
Procollagen processing is essential for organ development and tissue functions. Both procollagen C-proteinase enhancer 1 (PCPE1) and secreted frizzled-related protein 2 (sFRP2) play vital roles in collagen formation via regulating the procollagen C-proteinase activity of bone morphogenetic protein 1 (BMP1). However, whether the two proteins exert a synergistic effect on BMP1 activity remains unclear. Here, simultaneous knockdown of sFRP2 and PCPE1 led to less collagen formation in mouse embryonic fibroblasts and dorsalized phenotypes in zebrafish embryos. Further studies revealed a direct interaction between the Frizzled domain of sFRP2 and the complement/Uegf/BMP-1 domain of PCPE1, which enhances the cleavage activity of BMP1 on procollagen. These results suggest that double silencing of sFRP2 and PCPE1 may provide a strategy for treating fibrosis diseases caused by collagen deposition.
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Affiliation(s)
- Qin Zhu
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Wei Guo
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Shengjie Zhang
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Yang Feng
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Xiao Wang
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Libin Zhou
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Guo-Ru Huang
- Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Clinical Research Center for Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China.,National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China
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30
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Talantikite M, Lécorché P, Beau F, Damour O, Becker-Pauly C, Ho WB, Dive V, Vadon-Le Goff S, Moali C. Inhibitors of BMP-1/tolloid-like proteinases: efficacy, selectivity and cellular toxicity. FEBS Open Bio 2018; 8:2011-2021. [PMID: 30524951 PMCID: PMC6275283 DOI: 10.1002/2211-5463.12540] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 10/08/2018] [Accepted: 10/08/2018] [Indexed: 01/12/2023] Open
Abstract
BMP‐1/tolloid‐like proteinases belong to the astacin family of human metalloproteinases, together with meprins and ovastacin. They represent promising targets to treat or prevent a wide range of diseases such as fibrotic disorders or cancer. However, the study of their pathophysiological roles is still impaired by the lack of well‐characterized inhibitors and the questions that remain regarding their selectivity and in vivo efficiency. As a first step towards the identification of suitable tools to be used in functional studies, we have undertaken a systematic comparison of seven molecules known to affect the proteolytic activity of human astacins including three hydroxamates (FG‐2575, UK383,367, S33A), the protein sizzled, a new phosphinic inhibitor (RXP‐1001) and broad‐spectrum protease inhibitors (GM6001, actinonin). Their efficacy in vitro, their cellular toxicity and efficacy in cell cultures were thoroughly characterized. We found that these molecules display very different potency and selectivity profiles, with hydroxamate FG‐2575 and the protein sizzled being very powerful and selective inhibitors of BMP‐1, whereas phosphinic peptide RXP‐1001 behaves as a broad‐spectrum inhibitor of astacins. Their use should therefore be carefully considered in agreement with the aim of the study to avoid result misinterpretation.
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Affiliation(s)
- Maya Talantikite
- Tissue Biology and Therapeutic Engineering Unit (LBTI) UMR5305, CNRS Univ Lyon Université Claude Bernard Lyon1 France
| | - Pascaline Lécorché
- CEA Saclay Institut Frédéric Joliot Direction de la recherche fondamentale SIMOPRO Gif-sur-Yvette France
| | - Fabrice Beau
- CEA Saclay Institut Frédéric Joliot Direction de la recherche fondamentale SIMOPRO Gif-sur-Yvette France
| | - Odile Damour
- Tissue Biology and Therapeutic Engineering Unit (LBTI) UMR5305, CNRS Univ Lyon Université Claude Bernard Lyon1 France.,Banque de Tissus et Cellules Hospices Civils de Lyon France
| | - Christoph Becker-Pauly
- Institute of Biochemistry Unit for Degradomics of the Protease Web Christian-Albrechts-University Kiel Germany
| | | | - Vincent Dive
- CEA Saclay Institut Frédéric Joliot Direction de la recherche fondamentale SIMOPRO Gif-sur-Yvette France
| | - Sandrine Vadon-Le Goff
- Tissue Biology and Therapeutic Engineering Unit (LBTI) UMR5305, CNRS Univ Lyon Université Claude Bernard Lyon1 France
| | - Catherine Moali
- Tissue Biology and Therapeutic Engineering Unit (LBTI) UMR5305, CNRS Univ Lyon Université Claude Bernard Lyon1 France
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Pulido D, Sharma U, Vadon-Le Goff S, Hussain SA, Cordes S, Mariano N, Bettler E, Moali C, Aghajari N, Hohenester E, Hulmes DJS. Structural Basis for the Acceleration of Procollagen Processing by Procollagen C-Proteinase Enhancer-1. Structure 2018; 26:1384-1392.e3. [PMID: 30078642 PMCID: PMC6372009 DOI: 10.1016/j.str.2018.06.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/18/2018] [Accepted: 06/28/2018] [Indexed: 11/06/2022]
Abstract
Procollagen C-proteinase enhancer-1 (PCPE-1) is a secreted protein that specifically accelerates proteolytic release of the C-propeptides from fibrillar procollagens, a crucial step in fibril assembly. As such, it is a potential therapeutic target to improve tissue repair and prevent fibrosis, a major cause of mortality worldwide. Here we present the crystal structure of the active CUB1CUB2 fragment of PCPE-1 bound to the C-propeptide trimer of procollagen III (CPIII). This shows that the two CUB domains bind to two different chains of CPIII and that the N-terminal region of one CPIII chain, close to the proteolytic cleavage site, lies in the cleft between CUB1 and CUB2. This suggests that enhancing activity involves unraveling of this chain from the rest of the trimer, thus facilitating the action of the proteinase involved. Support for this hypothesis comes from site-directed mutagenesis, enzyme assays, binding studies, and molecular modeling. The crystal structure of PCPE-1 bound to the C-propeptides has been determined The N terminus of one propeptide chain binds to the CUB1CUB2 fragment of PCPE-1 PCPE-1 seems to unravel the propeptide trimer to enable proteolytic release Molecular modeling with the proteinase and its substrate supports this hypothesis
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Affiliation(s)
- David Pulido
- Department of Life Sciences, Imperial College, London SW7 2AZ, UK
| | - Urvashi Sharma
- UMR5086, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France
| | | | | | - Sarah Cordes
- Department of Life Sciences, Imperial College, London SW7 2AZ, UK
| | - Natacha Mariano
- UMR5305, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France
| | - Emmanuel Bettler
- UMR5305, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France
| | - Catherine Moali
- UMR5305, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France
| | - Nushin Aghajari
- UMR5086, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France
| | | | - David J S Hulmes
- Department of Life Sciences, Imperial College, London SW7 2AZ, UK; UMR5305, CNRS/Université Claude Bernard Lyon 1, 69367 Lyon Cedex 7, France.
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Ricard-Blum S, Baffet G, Théret N. Molecular and tissue alterations of collagens in fibrosis. Matrix Biol 2018; 68-69:122-149. [DOI: 10.1016/j.matbio.2018.02.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/02/2018] [Accepted: 02/02/2018] [Indexed: 02/07/2023]
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Evaluation of serum procollagen C-proteinase enhancer 1 level as a fibrosis marker in patients with chronic hepatitis B. Eur J Gastroenterol Hepatol 2018; 30:918-924. [PMID: 29683980 DOI: 10.1097/meg.0000000000001123] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIM Although liver biopsy has long been considered the gold standard for staging fibrosis, because of the disadvantages and risks of biopsy, several noninvasive processes such as serum biomarkers have been introduced for the assessment of liver fibrosis. The aim of this study was to assess the diagnostic value of serum procollagen C-proteinase enhancer 1 (PCPE-1) as a noninvasive fibrosis marker in treatment-naive chronic hepatitis B patients. PATIENTS AND METHODS This study included 126 patients with biopsy-proven hepatitis B and 50 healthy controls. Fibrosis stage was determined using the Ishak scoring system. The PCPE-1 level was measured using the enzyme-linked immunosorbent assay assay, and the aspartate aminotransferase to platelet ratio index and the FIB-4 index were calculated using the formulas described in Appendix 1 (Supplemental digital content 1, http://links.lww.com/EJGH/A277). RESULTS Serum PCPE-1 levels of chronic hepatitis B patients were found to be significantly lower than those of the healthy control group (4.49±2.74 vs. 42.9±59.6 pg/ml, respectively, P<0.001). There was a statistically significant negative correlation between serum PCPE-1 level and fibrosis stage (P=0.011; r=-0.226). A statistically significant negative correlation was found between serum PCPE-1 level and necroinflammatory activity (P=0.030; r=-0.194). PCPE-1 levels of patients with liver fibrosis scores of F1-2 were statistically significantly lower than those of the healthy control group (P<0.001) (area under the receiver operating characteristic: 0.955). The area under the receiver operating characteristic of the PCPE-1 level was 0.615 for the prediction of fibrosis (F0 vs. F1-6) (P=0.039). CONCLUSION Serum PCPE-1 might be used as a noninvasive marker of liver fibrosis. Further animal and human studies are needed to assess the utility of this marker.
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Karsdal MA, Nielsen SH, Leeming DJ, Langholm LL, Nielsen MJ, Manon-Jensen T, Siebuhr A, Gudmann NS, Rønnow S, Sand JM, Daniels SJ, Mortensen JH, Schuppan D. The good and the bad collagens of fibrosis - Their role in signaling and organ function. Adv Drug Deliv Rev 2017; 121:43-56. [PMID: 28736303 DOI: 10.1016/j.addr.2017.07.014] [Citation(s) in RCA: 305] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 07/14/2017] [Accepted: 07/17/2017] [Indexed: 12/11/2022]
Abstract
Usually the dense extracellular structure in fibrotic tissues is described as extracellular matrix (ECM) or simply as collagen. However, fibrosis is not just fibrosis, which is already exemplified by the variant morphological characteristics of fibrosis due to viral versus cholestatic, autoimmune or toxic liver injury, with reticular, chicken wire and bridging fibrosis. Importantly, the overall composition of the ECM, especially the relative amounts of the many types of collagens, which represent the most abundant ECM molecules and which centrally modulate cellular functions and physiological processes, changes dramatically during fibrosis progression. We hypothesize that there are good and bad collagens in fibrosis and that a change of location alone may change the function from good to bad. Whereas basement membrane collagen type IV anchors epithelial and other cells in a polarized manner, the interstitial fibroblast collagens type I and III do not provide directional information. In addition, feedback loops from biologically active degradation products of some collagens are examples of the importance of having the right collagen at the right place and at the right time controlling cell function, proliferation, matrix production and fate. Examples are the interstitial collagen type VI and basement membrane collagen type XVIII. Their carboxyterminal propeptides serve as an adipose tissue hormone, endotrophin, and as a regulator of angiogenesis, endostatin, respectively. We provide an overview of the 28 known collagen types and propose that the molecular composition of the ECM in fibrosis needs careful attention to assess its impact on organ function and its potential to progress or reverse. Consequently, to adequately assess fibrosis and to design optimal antifibrotic therapies, we need to dissect the molecular entity of fibrosis for the molecular composition and spatial distribution of collagens and the associated ECM.
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Affiliation(s)
- M A Karsdal
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark.
| | - S H Nielsen
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - D J Leeming
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - L L Langholm
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - M J Nielsen
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - T Manon-Jensen
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - A Siebuhr
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - N S Gudmann
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - S Rønnow
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - J M Sand
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - S J Daniels
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - J H Mortensen
- Nordic Bioscience Biomarkers & Research A/S, Herlev, Denmark
| | - D Schuppan
- Institute of Translational Immunology and Research Center for Immune Therapy, University Medical Center, Johannes Gutenberg University, Mainz, Germany; Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Data comparing the plasma levels of procollagen C-proteinase enhancer 1 (PCPE-1) in healthy individuals and liver fibrosis patients. Data Brief 2017; 14:777-781. [PMID: 28948200 PMCID: PMC5602882 DOI: 10.1016/j.dib.2017.08.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 08/13/2017] [Accepted: 08/30/2017] [Indexed: 02/06/2023] Open
Abstract
This article provides a protocol for determination of human procollagen C-proteinase enhancer 1 (PCPE-1) concentrations by ELISA. The inter-assay and intra-assay coefficients of variability are given and so are the average plasma concentrations of PCPE-1 in healthy (control) individuals and liver fibrosis patients.
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Massoudi D, Germer CJ, Glisch JM, Greenspan DS. Procollagen C-proteinase enhancer 1 (PCPE-1) functions as an anti-angiogenic factor and enhances epithelial recovery in injured cornea. Cell Tissue Res 2017; 370:461-476. [PMID: 28936615 DOI: 10.1007/s00441-017-2689-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 08/28/2017] [Indexed: 12/19/2022]
Abstract
Procollagen C-proteinase enhancer 1 (PCPE-1) has been characterized as a protein capable of enhancing the activity of bone morphogenetic protein 1/tolloid-like proteinases in the biosynthetic processing of C-propeptides from procollagens I-III. This processing step is thought necessary to the formation of collagen I-III monomers capable of forming fibrils. Thus, PCPE-1 is predicted to play an important role in scarring, as scar tissue is predominantly composed of fibrillar collagen. Corneal scarring is of great clinical importance, as it leads to loss of visual acuity and, in severe cases, blindness. Here, we investigate a possible role for PCPE-1 in corneal scarring. Although differences in corneal opacity associated with scarring following injury of Pcolce -/- and wild-type (WT) mice using full-thickness excision or alkali burn models of corneal injury were not grossly apparent, differences in procollagen I processing levels between Pcolce -/- and WT primary corneal keratocytes were consistent with a role for PCPE-1 in corneal collagen deposition. An unexpected finding was that neoangiogenesis, which follows alkali burn cornea injury, was strikingly increased in Pcolce -/- cornea, compared to WT. A series of aortic ring assays confirmed the anti-angiogenic effects of PCPE-1. Another unexpected finding was of abnormalities of epithelial basement membrane and of re-epithelialization following Pcolce -/- corneal injury. Thus, PCPE-1 appears to be of importance as an anti-angiogenic factor and in re-epithelialization following injury in cornea and perhaps in other tissues as well.
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Affiliation(s)
- Dawiyat Massoudi
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, 4503 WIMRII, 1111 Highland Ave., Madison, WI, 53705, USA
| | - Colin J Germer
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, 4503 WIMRII, 1111 Highland Ave., Madison, WI, 53705, USA
| | - Jeffrey M Glisch
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, 4503 WIMRII, 1111 Highland Ave., Madison, WI, 53705, USA
| | - Daniel S Greenspan
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, 4503 WIMRII, 1111 Highland Ave., Madison, WI, 53705, USA.
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Rau CD, Romay MC, Tuteryan M, Wang JJC, Santolini M, Ren S, Karma A, Weiss JN, Wang Y, Lusis AJ. Systems Genetics Approach Identifies Gene Pathways and Adamts2 as Drivers of Isoproterenol-Induced Cardiac Hypertrophy and Cardiomyopathy in Mice. Cell Syst 2017; 4:121-128.e4. [PMID: 27866946 PMCID: PMC5338604 DOI: 10.1016/j.cels.2016.10.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 09/09/2016] [Accepted: 10/19/2016] [Indexed: 10/20/2022]
Abstract
We previously reported a genetic analysis of heart failure traits in a population of inbred mouse strains treated with isoproterenol to mimic catecholamine-driven cardiac hypertrophy. Here, we apply a co-expression network algorithm, wMICA, to perform a systems-level analysis of left ventricular transcriptomes from these mice. We describe the features of the overall network but focus on a module identified in treated hearts that is strongly related to cardiac hypertrophy and pathological remodeling. Using the causal modeling algorithm NEO, we identified the gene Adamts2 as a putative regulator of this module and validated the predictive value of NEO using small interfering RNA-mediated knockdown in neonatal rat ventricular myocytes. Adamts2 silencing regulated the expression of the genes residing within the module and impaired isoproterenol-induced cellular hypertrophy. Our results provide a view of higher order interactions in heart failure with potential for diagnostic and therapeutic insights.
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Affiliation(s)
- Christoph D Rau
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Departments of Anesthesiology, Physiology, and Medicine, Cardiovascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Milagros C Romay
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Mary Tuteryan
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jessica J-C Wang
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Marc Santolini
- Center for Interdisciplinary Research on Complex Systems, Department of Physics, Northeastern University, Boston, MA 02115, USA
| | - Shuxun Ren
- Departments of Anesthesiology, Physiology, and Medicine, Cardiovascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Alain Karma
- Center for Interdisciplinary Research on Complex Systems, Department of Physics, Northeastern University, Boston, MA 02115, USA
| | - James N Weiss
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yibin Wang
- Departments of Anesthesiology, Physiology, and Medicine, Cardiovascular Research Laboratories, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Aldons J Lusis
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.
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Data comparing the kinetics of procollagen type I processing by bone morphogenetic protein 1 (BMP-1) with and without procollagen C-proteinase enhancer 1 (PCPE-1). Data Brief 2016; 9:883-887. [PMID: 27872885 PMCID: PMC5109235 DOI: 10.1016/j.dib.2016.10.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 10/26/2016] [Accepted: 10/28/2016] [Indexed: 11/24/2022] Open
Abstract
This article provides kinetic constants for C-terminal processing of procollagen type I by bone morphogenetic protein 1 (BMP-1; the major procollagen C-proteinase), a reaction stimulated by the connective tissue glycoprotein procollagen C-proteinase enhancer 1 (PCPE-1). Reported are Km, Vmax, Kcat and Kcat/Km (catalytic coefficient) values for BMP-1 alone, BMP-1 with intact PCPE-1, BMP-1 with the CUB (Complement C1r/C1s, Uegf, BMP-1) domains fragment of PCPE-1 as well as its NTR (netrin-like) domain.
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Hassoun E, Safrin M, Ziv H, Pri-Chen S, Kessler E. Procollagen C-Proteinase Enhancer 1 (PCPE-1) as a Plasma Marker of Muscle and Liver Fibrosis in Mice. PLoS One 2016; 11:e0159606. [PMID: 27458976 PMCID: PMC4961444 DOI: 10.1371/journal.pone.0159606] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 07/05/2016] [Indexed: 01/06/2023] Open
Abstract
Current non-invasive diagnostic methods of fibrosis are limited in their ability to identify early and intermediate stages of fibrosis and assess the efficacy of therapy. New biomarkers of fibrosis are therefore constantly sought for, leading us to evaluate procollagen C-proteinase enhancer 1 (PCPE-1), a fibrosis-related extracellular matrix glycoprotein, as a plasma marker of fibrosis. A sandwich ELISA that permitted accurate measurements of PCPE-1 concentrations in mouse plasma was established. Tissue fibrosis was assessed using histochemical, immunofluorescence, and immunoblotting analyses for type I collagen and PCPE-1. The normal plasma concentration of PCPE-1 in 6 weeks to 4 months old mice was ~200 ng/ml (189.5 ± 11.3 to 206.8 ± 13.8 ng/ml). PCPE-1 plasma concentrations in four and 8.5 months old mdx mice displaying fibrotic diaphragms increased 27 and 40% respectively relatively to age-matched control mice, an increase comparable to that of the N-propeptide of procollagen type III (PIIINP), a known blood marker of fibrosis. PCPE-1 plasma levels in mice with CCl4-induced liver fibrosis increased 34 to 50% relatively to respective controls and reflected the severity of the disease, namely increased gradually during the progression of fibrosis and went down to basal levels during recovery, in parallel to changes in the liver content of collagen I and PCPE-1. The results favor PCPE-1 as a potential new clinically valuable fibrosis biomarker.
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Affiliation(s)
- Eyal Hassoun
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel-Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, 52621, Israel
| | - Mary Safrin
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel-Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, 52621, Israel
| | - Hana Ziv
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel-Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, 52621, Israel
| | - Sarah Pri-Chen
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel-Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, 52621, Israel
| | - Efrat Kessler
- Maurice and Gabriela Goldschleger Eye Research Institute, Tel-Aviv University Sackler Faculty of Medicine, Sheba Medical Center, Tel-Hashomer, 52621, Israel
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Troilo H, Bayley CP, Barrett AL, Lockhart-Cairns MP, Jowitt TA, Baldock C. Mammalian tolloid proteinases: role in growth factor signalling. FEBS Lett 2016; 590:2398-407. [PMID: 27391803 PMCID: PMC4988381 DOI: 10.1002/1873-3468.12287] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 06/30/2016] [Accepted: 07/06/2016] [Indexed: 12/11/2022]
Abstract
Tolloid proteinases are essential for tissue patterning and extracellular matrix assembly. The members of the family differ in their substrate specificity and activity, despite sharing similar domain organization. The mechanisms underlying substrate specificity and activity are complex, with variation between family members, and depend on both multimerization and substrate interaction. In addition, enhancers, such as Twisted gastrulation (Tsg), promote cleavage of tolloid substrate, chordin, to regulate growth factor signalling. Although Tsg and mammalian tolloid (mTLD) are involved in chordin cleavage, no interaction has been detected between them, suggesting Tsg induces a change in chordin to increase susceptibility to cleavage. All members of the tolloid family bind the N terminus of latent TGFβ‐binding protein‐1, providing support for their role in TGFβ signalling.
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Affiliation(s)
- Helen Troilo
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK
| | - Christopher P Bayley
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK
| | - Anne L Barrett
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK
| | - Michael P Lockhart-Cairns
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK.,Beamline B21, Diamond Light Source, Harwell Science & Innovation Campus, Didcot, Oxfordshire, UK
| | - Thomas A Jowitt
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK
| | - Clair Baldock
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, UK
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van Beuge MM, Ten Dam EJPM, Werker PMN, Bank RA. Matrix and cell phenotype differences in Dupuytren's disease. FIBROGENESIS & TISSUE REPAIR 2016; 9:9. [PMID: 27366208 PMCID: PMC4928329 DOI: 10.1186/s13069-016-0046-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 06/13/2016] [Indexed: 12/28/2022]
Abstract
Background Dupuytren’s disease is a fibroproliferative disease of the hand and fingers, which usually manifests as two different phenotypes within the same patient. The disease first causes a nodule in the palm of the hand, while later, a cord develops, causing contracture of the fingers. Results We set out to characterize the two phenotypes by comparing matched cord and nodule tissue from ten Dupuytren’s patients. We found that nodule tissue contained more proliferating cells, CD68-positive macrophages and α-smooth muscle actin (α-SMA)-positive myofibroblastic cells. qPCR analysis showed an increased expression of COL1A1, COL1A2, COL5A1, and COL6A1 in nodule tissue compared to cord tissue. Immunohistochemistry showed less deposition of collagen type I in nodules, although they contained more fibronectin, collagen type V, and procollagen 1. Lower collagen levels in nodule were confirmed by HPLC measurements of the Hyp/Pro ratio. PCOLCE2, an activator of BMP1, the main enzyme cleaving the C-terminal pro-peptide from procollagen, was also reduced in nodule. Cord tissue not only contained more collagen I, but also higher levels of hydroxylysylpyridinoline and lysylpyridinoline residues per triple helix, indicating more crosslinks. Conclusions Our results clearly show that in Dupuytren’s disease, the nodule is the active disease unit, although it does not have the highest collagen protein levels. The difference in collagen type I deposition compared to mRNA levels and procollagen 1 levels may be connected to a decrease in procollagen processing. Electronic supplementary material The online version of this article (doi:10.1186/s13069-016-0046-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marike M van Beuge
- Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Evert-Jan P M Ten Dam
- Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands ; Department of Plastic Surgery, Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Paul M N Werker
- Department of Plastic Surgery, Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Ruud A Bank
- Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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Abstract
Osteogenesis imperfecta is a phenotypically and molecularly heterogeneous group of inherited connective tissue disorders that share similar skeletal abnormalities causing bone fragility and deformity. Previously, the disorder was thought to be an autosomal dominant bone dysplasia caused by defects in type I collagen, but in the past 10 years discoveries of novel (mainly recessive) causative genes have lent support to a predominantly collagen-related pathophysiology and have contributed to an improved understanding of normal bone development. Defects in proteins with very different functions, ranging from structural to enzymatic and from intracellular transport to chaperones, have been described in patients with osteogenesis imperfecta. Knowledge of the specific molecular basis of each form of the disorder will advance clinical diagnosis and potentially stimulate targeted therapeutic approaches. In this Seminar, together with diagnosis, management, and treatment, we describe the defects causing osteogenesis imperfecta and their mechanism and interrelations, and classify them into five groups on the basis of the metabolic pathway compromised, specifically those related to collagen synthesis, structure, and processing; post-translational modification; folding and cross-linking; mineralisation; and osteoblast differentiation.
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Affiliation(s)
- Antonella Forlino
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Pavia, Italy
| | - Joan C Marini
- Bone and Extracellular Matrix Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
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43
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Hung CW, Koudelka T, Anastasi C, Becker A, Moali C, Tholey A. Characterization of post-translational modifications in full-length human BMP-1 confirms the presence of a rare vicinal disulfide linkage in the catalytic domain and highlights novel features of the EGF domain. J Proteomics 2016; 138:136-45. [DOI: 10.1016/j.jprot.2016.02.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/12/2016] [Accepted: 02/24/2016] [Indexed: 12/29/2022]
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Hsueh MF, Khabut A, Kjellström S, Önnerfjord P, Kraus VB. Elucidating the Molecular Composition of Cartilage by Proteomics. J Proteome Res 2016; 15:374-88. [PMID: 26632656 DOI: 10.1021/acs.jproteome.5b00946] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Articular cartilage consists of chondrocytes and two major components, a collagen-rich framework and highly abundant proteoglycans. Most prior studies defining the zonal distribution of cartilage have extracted proteins with guanidine-HCl. However, an unextracted collagen-rich residual is left after extraction. In addition, the high abundance of anionic polysaccharide molecules extracted from cartilage adversely affects the chromatographic separation. In this study, we established a method for removing chondrocytes from cartilage sections with minimal extracellular matrix protein loss. The addition of surfactant to guanidine-HCl extraction buffer improved protein solubility. Ultrafiltration removed interference from polysaccharides and salts. Almost four-times more collagen peptides were extracted by the in situ trypsin digestion method. However, as expected, proteoglycans were more abundant within the guanidine-HCl extraction. These different methods were used to extract cartilage sections from different cartilage layers (superficial, intermediate, and deep), joint types (knee and hip), and disease states (healthy and osteoarthritic), and the extractions were evaluated by quantitative and qualitative proteomic analyses. The results of this study led to the identifications of the potential biomarkers of osteoarthritis (OA), OA progression, and the joint specific biomarkers.
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Affiliation(s)
- Ming-Feng Hsueh
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Areej Khabut
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Sven Kjellström
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Patrik Önnerfjord
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Virginia Byers Kraus
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
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45
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Bekhouche M, Leduc C, Dupont L, Janssen L, Delolme F, Vadon-Le Goff S, Smargiasso N, Baiwir D, Mazzucchelli G, Zanella-Cleon I, Dubail J, De Pauw E, Nusgens B, Hulmes DJS, Moali C, Colige A. Determination of the substrate repertoire of ADAMTS2, 3, and 14 significantly broadens their functions and identifies extracellular matrix organization and TGF-β signaling as primary targets. FASEB J 2016; 30:1741-56. [PMID: 26740262 DOI: 10.1096/fj.15-279869] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 12/17/2015] [Indexed: 01/03/2023]
Abstract
A disintegrin and metalloproteinase with thrombospondin type I motif (ADAMTS)2, 3, and 14 are collectively named procollagen N-proteinases (pNPs) because of their specific ability to cleave the aminopropeptide of fibrillar procollagens. Several reports also indicate that they could be involved in other biological processes, such as blood coagulation, development, and male fertility, but the potential substrates associated with these activities remain unknown. Using the recently described N-terminal amine isotopic labeling of substrate approach, we analyzed the secretomes of human fibroblasts and identified 8, 17, and 22 candidate substrates for ADAMTS2, 3, and 14, respectively. Among these newly identified substrates, many are components of the extracellular matrix and/or proteins related to cell signaling such as latent TGF-β binding protein 1, TGF-β RIII, and dickkopf-related protein 3. Candidate substrates for the 3 ADAMTS have been biochemically validated in different contexts, and the implication of ADAMTS2 in the control of TGF-β activity has been further demonstrated in human fibroblasts. Finally, the cleavage site specificity was assessed showing a clear and unique preference for nonpolar or slightly hydrophobic amino acids. This work shows that the activities of the pNPs extend far beyond the classically reported processing of the aminopropeptide of fibrillar collagens and that they should now be considered as multilevel regulators of matrix deposition and remodeling.-Bekhouche, M., Leduc, C., Dupont, L., Janssen, L., Delolme, F., Vadon-Le Goff, S., Smargiasso, N., Baiwir, D., Mazzucchelli, G., Zanella-Cleon, I., Dubail, J., De Pauw, E., Nusgens, B., Hulmes, D. J. S., Moali, C., Colige, A. Determination of the substrate repertoire of ADAMTS2, 3, and 14 significantly broadens their functions and identifies extracellular matrix organization and TGF-β signaling as primary targets.
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Affiliation(s)
- Mourad Bekhouche
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium;
| | - Cedric Leduc
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium
| | - Laura Dupont
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium
| | - Lauriane Janssen
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium
| | - Frederic Delolme
- Tissue Biology and Therapeutic Engineering, Centre National de la Recherche Scientifique/University of Lyon Unité Mixte de Recherche 5305, Lyon, France; and Protein Science Facility, Institute for the Biology and Chemistry of Proteins, Unité Mixte de Service 3444, Lyon, France
| | - Sandrine Vadon-Le Goff
- Tissue Biology and Therapeutic Engineering, Centre National de la Recherche Scientifique/University of Lyon Unité Mixte de Recherche 5305, Lyon, France; and
| | - Nicolas Smargiasso
- Mass Spectrometry Laboratory, GIGA Proteomics, University of Liège, Liège, Belgium
| | - Dominique Baiwir
- GIGA Proteomic Facility, GIGA-Interdisciplinary Cluster for Applied Genoproteomics, University of Liège, Liège, Belgium
| | - Gabriel Mazzucchelli
- Mass Spectrometry Laboratory, GIGA Proteomics, University of Liège, Liège, Belgium
| | - Isabelle Zanella-Cleon
- Protein Science Facility, Institute for the Biology and Chemistry of Proteins, Unité Mixte de Service 3444, Lyon, France
| | - Johanne Dubail
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory, GIGA Proteomics, University of Liège, Liège, Belgium
| | - Betty Nusgens
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium
| | - David J S Hulmes
- Tissue Biology and Therapeutic Engineering, Centre National de la Recherche Scientifique/University of Lyon Unité Mixte de Recherche 5305, Lyon, France; and
| | - Catherine Moali
- Tissue Biology and Therapeutic Engineering, Centre National de la Recherche Scientifique/University of Lyon Unité Mixte de Recherche 5305, Lyon, France; and
| | - Alain Colige
- Laboratory of Connective Tissues Biology, University of Liège, Liège, Belgium;
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46
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Pollard RD, Blesso CN, Zabalawi M, Fulp B, Gerelus M, Zhu X, Lyons EW, Nuradin N, Francone OL, Li XA, Sahoo D, Thomas MJ, Sorci-Thomas MG. Procollagen C-endopeptidase Enhancer Protein 2 (PCPE2) Reduces Atherosclerosis in Mice by Enhancing Scavenger Receptor Class B1 (SR-BI)-mediated High-density Lipoprotein (HDL)-Cholesteryl Ester Uptake. J Biol Chem 2015; 290:15496-15511. [PMID: 25947382 DOI: 10.1074/jbc.m115.646240] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Indexed: 01/28/2023] Open
Abstract
Studies in human populations have shown a significant correlation between procollagen C-endopeptidase enhancer protein 2 (PCPE2) single nucleotide polymorphisms and plasma HDL cholesterol concentrations. PCPE2, a 52-kDa glycoprotein located in the extracellular matrix, enhances the cleavage of C-terminal procollagen by bone morphogenetic protein 1 (BMP1). Our studies here focused on investigating the basis for the elevated concentration of enlarged plasma HDL in PCPE2-deficient mice to determine whether they protected against diet-induced atherosclerosis. PCPE2-deficient mice were crossed with LDL receptor-deficient mice to obtain LDLr(-/-), PCPE2(-/-) mice, which had elevated HDL levels compared with LDLr(-/-) mice with similar LDL concentrations. We found that LDLr(-/-), PCPE2(-/-) mice had significantly more neutral lipid and CD68+ infiltration in the aortic root than LDLr(-/-) mice. Surprisingly, in light of their elevated HDL levels, the extent of aortic lipid deposition in LDLr(-/-), PCPE2(-/-) mice was similar to that reported for LDLr(-/-), apoA-I(-/-) mice, which lack any apoA-I/HDL. Furthermore, LDLr(-/-), PCPE2(-/-) mice had reduced HDL apoA-I fractional clearance and macrophage to fecal reverse cholesterol transport rates compared with LDLr(-/-) mice, despite a 2-fold increase in liver SR-BI expression. PCPE2 was shown to enhance SR-BI function by increasing the rate of HDL-associated cholesteryl ester uptake, possibly by optimizing SR-BI localization and/or conformation. We conclude that PCPE2 is atheroprotective and an important component of the reverse cholesterol transport HDL system.
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Affiliation(s)
- Ricquita D Pollard
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Christopher N Blesso
- Department of Nutritional Sciences, University of Connecticut, Storrs, Connecticut 06268
| | - Manal Zabalawi
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Brian Fulp
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Mark Gerelus
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Xuewei Zhu
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Erica W Lyons
- Section of Molecular Medicine, Department of Internal Medicine and the Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101
| | - Nebil Nuradin
- Department of Medicine and the Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Omar L Francone
- Shire Human Genetic Therapies, Lexington, Massachusetts 02421
| | - Xiang-An Li
- Department of Pediatrics, University of Kentucky, Lexington, Kentucky 40506
| | - Daisy Sahoo
- Department of Medicine and the Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Michael J Thomas
- Department of Medicine and the Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Mary G Sorci-Thomas
- Department of Medicine and the Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226.
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47
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BMP-1/tolloid-like proteinases synchronize matrix assembly with growth factor activation to promote morphogenesis and tissue remodeling. Matrix Biol 2015; 44-46:14-23. [DOI: 10.1016/j.matbio.2015.02.006] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 02/10/2015] [Accepted: 02/10/2015] [Indexed: 11/20/2022]
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48
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Delolme F, Anastasi C, Alcaraz LB, Mendoza V, Vadon-Le Goff S, Talantikite M, Capomaccio R, Mevaere J, Fortin L, Mazzocut D, Damour O, Zanella-Cléon I, Hulmes DJS, Overall CM, Valcourt U, Lopez-Casillas F, Moali C. Proteolytic control of TGF-β co-receptor activity by BMP-1/tolloid-like proteases revealed by quantitative iTRAQ proteomics. Cell Mol Life Sci 2015; 72:1009-27. [PMID: 25260970 PMCID: PMC11113849 DOI: 10.1007/s00018-014-1733-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 08/29/2014] [Accepted: 09/09/2014] [Indexed: 10/24/2022]
Abstract
The metalloproteinase BMP-1 (bone morphogenetic protein-1) plays a major role in the control of extracellular matrix (ECM) assembly and growth factor activation. Most of the growth factors activated by BMP-1 are members of the TGF-β superfamily known to regulate multiple biological processes including embryonic development, wound healing, inflammation and tumor progression. In this study, we used an iTRAQ (isobaric tags for relative and absolute quantification)-based quantitative proteomic approach to reveal the release of proteolytic fragments from the cell surface or the ECM by BMP-1. Thirty-eight extracellular proteins were found in significantly higher or lower amounts in the conditioned medium of HT1080 cells overexpressing BMP-1 and thus, could be considered as candidate substrates. Strikingly, three of these new candidates (betaglycan, CD109 and neuropilin-1) were TGF-β co-receptors, also acting as antagonists when released from the cell surface, and were chosen for further substrate validation. Betaglycan and CD109 proved to be directly cleaved by BMP-1 and the corresponding cleavage sites were extensively characterized using a new mass spectrometry approach. Furthermore, we could show that the ability of betaglycan and CD109 to interact with TGF-β was altered after cleavage by BMP-1, leading to increased and prolonged SMAD2 phosphorylation in BMP-1-overexpressing cells. Betaglycan processing was also observed in primary corneal keratocytes, indicating a general and novel mechanism by which BMP-1 directly affects signaling by controlling TGF-β co-receptor activity. The proteomic data have been submitted to ProteomeXchange with the identifier PXD000786 and doi: 10.6019/PXD000786 .
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Affiliation(s)
- Frédéric Delolme
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
- Centre Commun de Microanalyse des Protéines, UMS 3444, Institut de Biologie et Chimie des Protéines, 69367 Lyon, France
| | - Cyril Anastasi
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Lindsay B. Alcaraz
- INSERM U1052, CNRS UMR 5286, Centre de Recherche en Cancérologie de Lyon (CRCL), Université de Lyon, Centre Léon Bérard, 69373 Lyon, France
| | - Valentin Mendoza
- Instituto de Fisiologia Celular, Universidad Nacional Autonoma de Mexico, 04510 Mexico, Mexico
| | - Sandrine Vadon-Le Goff
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Maya Talantikite
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Robin Capomaccio
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Jimmy Mevaere
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Laëtitia Fortin
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | - Dominique Mazzocut
- Centre Commun de Microanalyse des Protéines, UMS 3444, Institut de Biologie et Chimie des Protéines, 69367 Lyon, France
| | - Odile Damour
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
- Banque de Tissus et Cellules, Hospices Civils de Lyon, 69437 Lyon, France
| | - Isabelle Zanella-Cléon
- Centre Commun de Microanalyse des Protéines, UMS 3444, Institut de Biologie et Chimie des Protéines, 69367 Lyon, France
| | - David J. S. Hulmes
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
| | | | - Ulrich Valcourt
- INSERM U1052, CNRS UMR 5286, Centre de Recherche en Cancérologie de Lyon (CRCL), Université de Lyon, Centre Léon Bérard, 69373 Lyon, France
| | - Fernando Lopez-Casillas
- Instituto de Fisiologia Celular, Universidad Nacional Autonoma de Mexico, 04510 Mexico, Mexico
| | - Catherine Moali
- UMR 5305, Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, CNRS/Université de Lyon, 69367 Lyon, France
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49
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The NTR domain of procollagen C-proteinase enhancer-1 (PCPE-1) mediates PCPE-1 binding to syndecans-1, -2 and -4 as well as fibronectin. Int J Biochem Cell Biol 2014; 57:45-53. [PMID: 25286301 DOI: 10.1016/j.biocel.2014.09.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 09/14/2014] [Accepted: 09/25/2014] [Indexed: 11/20/2022]
Abstract
Procollagen C-proteinase enhancer 1 (PCPE-1) is an extracellular matrix glycoprotein that can stimulate procollagen processing by procollagen C-proteinases (PCPs) such as bone morphogenetic protein-1 (BMP-1). PCPE-1 consists of two CUB domains that bind to the procollagen C-propeptide and are responsible for enhancing activity and a netrin-like (NTR) domain that binds to BMP-1 as well as heparin and heparan sulfate. The NTR domain also mediates binding of PCPE-1 to cells, an interaction inhibited by heparin, thus suggesting involvement of cell membrane heparan-sulfate proteoglycans (HSPGs). Using pull-down experiments and an ELISA type binding assay we show here that PCPE-1 binds to three cell membrane HSPGs, syndecans-1, -2 and -4. We also demonstrate that this binding is mediated by the NTR domain and depends on the glycosaminoglycan chains of the syndecans. Using co-immunoprecipitation and an ELISA type binding assay we show that PCPE-1 can also bind fibronectin (an established binding partner of BMP-1), another interaction involving the NTR domain. Consistently, fibronectin inhibits cell attachment to PCPE-1 although it does not affect PCPE-1 enhancing activity. PCPE-1 is not an adhesive protein since cell attachment to PCPE-1 is not associated with cell spreading and/or actin filaments formation. The results suggest that PCPE-1 binding to syndecans and/or fibronectin may control collagen fibril assembly on the cell surface. Further characterization of these interactions may pave the way for future design of new means to modulate collagen deposition in pathological conditions such as fibrosis.
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50
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Extended interaction network of procollagen C-proteinase enhancer-1 in the extracellular matrix. Biochem J 2014; 457:137-49. [PMID: 24117177 DOI: 10.1042/bj20130295] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PCPE-1 (procollagen C-proteinase enhancer-1) is an extracellular matrix glycoprotein that can stimulate procollagen processing by procollagen C-proteinases such as BMP-1 (bone morphogenetic protein 1). PCPE-1 interacts with several proteins in addition to procollagens and BMP-1, suggesting that it could be involved in biological processes other than collagen maturation. We thus searched for additional partners of PCPE-1 in the extracellular matrix, which could provide new insights into its biological roles. We identified 17 new partners of PCPE-1 by SPR (surface plasmon resonance) imaging. PCPE-1 forms a transient complex with the β-amyloid peptide, whereas it forms high or very high affinity complexes with laminin-111 (KD=58.8 pM), collagen VI (KD=9.5 nM), TSP-1 (thrombospondin-1) (KD1=19.9 pM, KD2=14.5 nM), collagen IV (KD=49.4 nM) and endostatin, a fragment of collagen XVIII (KD1=0.30 nM, KD2=1.1 nM). Endostatin binds to the NTR (netrin-like) domain of PCPE-1 and decreases the degree of superstimulation of PCPE-1 enhancing activity by heparin. The analysis of the PCPE-1 interaction network based on Gene Ontology terms suggests that, besides its role in collagen deposition, PCPE-1 might be involved in tumour growth, neurodegenerative diseases and angiogenesis. In vitro assays have indeed shown that the CUB1CUB2 (where CUB is complement protein subcomponents C1r/C1s, urchin embryonic growth factor and BMP-1) fragment of PCPE-1 inhibits angiogenesis.
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