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Singh CK, Fernandez S, Chhabra G, Zaemisch GR, Nihal A, Swanlund J, Ansari N, Said Z, Chang H, Ahmad N. The role of collagen triple helix repeat containing 1 (CTHRC1) in cancer development and progression. Expert Opin Ther Targets 2024; 28:419-435. [PMID: 38686865 PMCID: PMC11189736 DOI: 10.1080/14728222.2024.2349686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
INTRODUCTION Collagen triple helix repeat containing 1 (CTHRC1) is a protein that has been implicated in pro-migratory pathways, arterial tissue-repair processes, and inhibition of collagen deposition via the regulation of multiple signaling cascades. Studies have also demonstrated an upregulation of CTHRC1 in multiple cancers where it has been linked to enhanced proliferation, invasion, and metastasis. However, the understanding of the exact role and mechanisms of CTHRC1 in cancer is far from complete. AREAS COVERED This review focuses on analyzing the role of CTHRC1 in cancer as well as its associations with clinicopathologies and cancer-related processes and signaling. We have also summarized the available literature information regarding the role of CTHRC1 in tumor microenvironment and immune signaling. Finally, we have discussed the mechanisms associated with CTHRC1 regulations, and opportunities and challenges regarding the development of CTHRC1 as a potential target for cancer management. EXPERT OPINION CTHRC1 is a multifaceted protein with critical roles in cancer progression and other pathological conditions. Its association with lower overall survival in various cancers, and impact on the tumor immune microenvironment make it an intriguing target for further research and potential therapeutic interventions in cancer.
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Affiliation(s)
- Chandra K. Singh
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Sofia Fernandez
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | | | - Ayaan Nihal
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Jenna Swanlund
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Naveed Ansari
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Zan Said
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
| | - Hao Chang
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
- William S. Middleton VA Medical Center, Madison, Wisconsin, USA
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, USA
- William S. Middleton VA Medical Center, Madison, Wisconsin, USA
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Arthur G, Poupeau A, Biel K, Osborn JL, Gong M, Hinds TD, Lindner V, Loria AS. Human soluble prorenin receptor expressed in mouse renal collecting duct shows sex-specific effect on cardiorenal function. Am J Physiol Renal Physiol 2024; 326:F611-F621. [PMID: 38385173 PMCID: PMC11208026 DOI: 10.1152/ajprenal.00375.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/23/2024] [Accepted: 02/08/2024] [Indexed: 02/23/2024] Open
Abstract
Soluble prorenin receptor (sPRR), a component of the renin-angiotensin system (RAS), has been identified as a plasma biomarker for hypertension and cardiovascular diseases in humans. Despite studies showing that sPRR in the kidney is produced by tubular cells in the renal collecting duct (CD), its biological actions modulating cardiorenal function in physiological conditions remain unknown. Therefore, the objective of our study was to investigate whether CD-derived human sPRR (HsPRR) expression influences cardiorenal function and examine sex and circadian differences. Thus, we investigated the status of the intrarenal RAS, water and electrolyte balance, renal filtration capacity, and blood pressure (BP) regulation in CD-HsPRR and control (CTL) mice. CD-HsPRR mice were generated by breeding human sPRR-Myc-tag mice with Hoxb7/Cre mice. Renal sPRR expression increased in CD-HsPRR mice, but circulating sPRR and RAS levels were unchanged compared with CTL mice. Only female littermates expressing CD-HsPRR showed 1) increased 24-h BP, 2) an impaired BP response to an acute dose of losartan and attenuated angiotensin II (ANG II)-induced hypertension, 3) reduced angiotensin-converting enzyme activity and ANG II content in the renal cortex, and 4) decreased glomerular filtration rate, with no changes in natriuresis and kaliuresis despite upregulation of the β-subunit of the epithelial Na+ channel in the renal cortex. These cardiorenal alterations were displayed only during the active phase of the day. Taken together, these data suggest that HsPRR could interact with ANG II type 1 receptors mediating sex-specific, ANG II-independent renal dysfunction and a prohypertensive phenotype in a sex-specific manner.NEW & NOTEWORTHY We successfully generated a humanized mouse model that expresses human sPRR in the collecting duct. Collecting duct-derived human sPRR did not change circulating sPRR and RAS levels but increased daytime BP in female mice while showing an attenuated angiotensin II-dependent pressor response. These findings may aid in elucidating the mechanisms by which women show uncontrolled BP in response to antihypertensive treatments targeting the RAS, improving approaches to reduce uncontrolled BP and chronic kidney disease incidences in women.
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Affiliation(s)
- Gertrude Arthur
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States
| | - Audrey Poupeau
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States
| | - Katherine Biel
- Department of Nutrition and Dietetics, University of Kentucky, Lexington, Kentucky, United States
| | - Jeffrey L Osborn
- Department of Pathophysiology, Arkansas Colleges of Health Education, Fort Smith, Arkansas, United States
| | - Ming Gong
- Department of Physiology, University of Kentucky, Lexington, Kentucky, United States
| | - Terry D Hinds
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States
| | - Volkhard Lindner
- MaineHealth Institute for Research, Scarborough, Maine, United States
| | - Analia S Loria
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States
- SAHA Cardiovascular Center, University of Kentucky, Lexington, Kentucky, United States
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Arthur G, Ahmed N, Nichols K, Poupeau A, Collins K, Lindner V, Loria A. Human Soluble Prorenin Receptor Expressed in Adipose Tissue Improves Insulin Sensitivity and Endothelial Function in Obese Female Mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.12.575451. [PMID: 38260688 PMCID: PMC10802596 DOI: 10.1101/2024.01.12.575451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Increased circulating levels of the soluble prorenin receptor (sPRR), a component of the renin angiotensin system (RAS), plays a role in obesity, glucose, and insulin homeostasis. However, elevated plasma sPRR in diabetic patients has been shown correlated with hyperglycemia in women but not men. Hence, the current study sought to understand the contribution of human sPRR (HsPRR) produced in the adipose tissue (Adi) on adipogenesis, and glucose and insulin balance in obesity settings. Adi-HsPRR mice were generated by breeding human sPRR-Myc-tag transgenic mice with mice expressing Adiponectin/Cre. The mouse model was validated by detecting 28kDa myc-tagged HsPRR by western blotting. Adipose HsPRR expression did not change circulating sPRR in female mice fed a standard chow diet or high fat diet (HFD) but increased plasma sPRR in male Adi-HsPRR mice fed a HFD compared to HFD-fed controls. Yet, Adi-HsPRR improved insulin sensitivity, vascular relaxation and the vasodilator agent Ang 1-7 in obese female mice but not in the male counterparts. Moreover, Adi-HsPRR expression reduced the expression of the adipogenic genes SREBP1C and CD36 only in gonadal white adipose from obese female mice, signifying that adipose tissue-derived HsPRR exerts a sex-specific effect on insulin sensitivity and endothelial function which seems independent of circulating sPRR.
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Affiliation(s)
- Gertrude Arthur
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY
| | - Nermin Ahmed
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY
| | - Kellea Nichols
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY
| | - Audrey Poupeau
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY
| | - Katelyn Collins
- School of Medical Sciences, University of Kentucky, Lexington, KY
| | | | - Analia Loria
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY
- SAHA Cardiovascular Center, University of Kentucky, Lexington, KY
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Toomey BH, Mitrovic SA, Lindner-Liaw M, Leon Vazquez RG, Kacer D, Ryzhov S, Prudovsky I, Lindner V. Activated CTHRC1 promotes glycolysis in endothelial cells: Implications for metabolism and angiogenesis. Vascul Pharmacol 2023; 153:107246. [PMID: 38040222 PMCID: PMC10733615 DOI: 10.1016/j.vph.2023.107246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 11/07/2023] [Accepted: 11/25/2023] [Indexed: 12/03/2023]
Abstract
CTHRC1 is transiently expressed by activated fibroblasts during tissue repair and in certain cancers, and CTHRC1 derived from osteocytes is detectable in circulation. Because its biological activity is poorly understood, we investigated whether the N terminus of CTHRC1 encodes a propeptide requiring cleavage to become activated. The effects of full-length versus cleaved recombinant CTHRC1 on endothelial cell metabolism and gene expression were examined in vitro. Respirometry was performed on Cthrc1 null and wildtype mice to obtain evidence for biological activity of CTHRC1 in vivo. Cleavage of the propeptide observed in vitro was attenuated in the presence of protease inhibitors, and cleaved CTHRC1 significantly promoted glycolysis whereas full-length CTHRC1 was less effective. The respiratory exchange ratio was significantly higher in wildtype mice compared to Cthrc1 null mice, supporting the findings of CTHRC1 promoting glycolysis in vivo. Key enzymes involved in glycolysis were significantly upregulated in endothelial cells in response to treatment with CTHRC1. In healthy human subjects, 58% of the cohort had detectable levels of circulating full-length CTHRC1, whereas all subjects with undetectable levels of full-length CTHRC1 (with one exception) had measurable levels of truncated CTHRC1 (88 pg/ml to >400 ng/ml). Our findings support a concept where CTHRC1 induction in activated fibroblasts at sites of ischemia such as tissue injury or cancer functions to increase glycolysis for ATP production under hypoxic conditions, thereby promoting cell survival and tissue repair. By promoting glycolysis under normoxic conditions, CTHRC1 may also be a contributor to the Warburg effect characteristically observed in many cancers.
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Affiliation(s)
- Barbara H Toomey
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
| | - Sarah A Mitrovic
- Boehringer Ingelheim Pharma GmbH & KG, Medicinal Chemistry, Birkendorfer Str.65, Biberach 88400, Germany.
| | - Maia Lindner-Liaw
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
| | - Ruth G Leon Vazquez
- Department of Biochemistry, University of Puerto Rico, School of Medicine, San Juan 00936-5067, Puerto Rico.
| | - Doreen Kacer
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
| | - Sergey Ryzhov
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
| | - Igor Prudovsky
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
| | - Volkhard Lindner
- Center for Molecular Medicine, MaineHealth Institute for Research, 81 Research Drive, Scarborough, ME 04074, United States.
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Liu YJ, Du J, Li J, Tan XP, Zhang Q. CTHRC1, a novel gene with multiple functions in physiology, disease and solid tumors (Review). Oncol Lett 2023; 25:266. [PMID: 37216164 PMCID: PMC10193374 DOI: 10.3892/ol.2023.13852] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 03/01/2023] [Indexed: 05/24/2023] Open
Abstract
Collagen triple helix repeat containing 1 (CTHRC1) is a gene discovered in 2005; it is highly conserved, and no homologous proteins have been disclosed thus far. A number of studies have shown that CTHRC1 is present in normal tissues and organs, and it has vital functions in physiological processes, including participating in the regulation of metabolism, arterial remodeling, bone formation and myelination of the peripheral nervous system. It has been reported that abnormal expression of CTHRC1 is involved in the carcinogenesis of various human organs, such as the breast, colon, pancreas, lung, stomach and liver. Therefore, the present review aims to collate all known findings and results on the regulation of CTHRC1 expression and related signaling pathways. To conclude, this review also provides a hypothesis of the functional mechanism of this gene.
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Affiliation(s)
- Ya-Juan Liu
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
- Medical College of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Jing Du
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Jie Li
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Xiao-Ping Tan
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
| | - Qing Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei 434000, P.R. China
- Medical College of Yangtze University, Jingzhou, Hubei 434000, P.R. China
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Kim JS, Lee BN, Chang HS, Hwang IN, Oh WM, Hwang YC. Effects of CTHRC1 on odontogenic differentiation and angiogenesis in human dental pulp stem cells. Restor Dent Endod 2023; 48:e18. [PMID: 37284346 PMCID: PMC10240092 DOI: 10.5395/rde.2023.48.e18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 06/08/2023] Open
Abstract
Objectives This study aimed to determine whether collagen triple helix repeat containing-1 (CTHRC1), which is involved in vascular remodeling and bone formation, can stimulate odontogenic differentiation and angiogenesis when administered to human dental pulp stem cells (hDPSCs). Materials and Methods The viability of hDPSCs upon exposure to CTHRC1 was assessed with the WST-1 assay. CTHRC1 doses of 5, 10, and 20 µg/mL were administered to hDPSCs. Reverse-transcription polymerase reaction was used to detect dentin sialophosphoprotein, dentin matrix protein 1, vascular endothelial growth factor, and fibroblast growth factor 2. The formation of mineralization nodules was evaluated using Alizarin red. A scratch wound assay was conducted to evaluate the effect of CTHRC1 on cell migration. Data were analyzed using 1-way analysis of variance followed by the Tukey post hoc test. The threshold for statistical significance was set at p < 0.05. Results CTHRC1 doses of 5, 10, and 20 µg/mL had no significant effect on the viability of hDPSCs. Mineralized nodules were formed and odontogenic markers were upregulated, indicating that CTHRC1 promoted odontogenic differentiation. Scratch wound assays demonstrated that CTHRC1 significantly enhanced the migration of hDPSCs. Conclusions CTHRC1 promoted odontogenic differentiation and mineralization in hDPSCs.
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Affiliation(s)
- Jong-soon Kim
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Bin-Na Lee
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Hoon-Sang Chang
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - In-Nam Hwang
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Won-Mann Oh
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
| | - Yun-Chan Hwang
- Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea
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Baiken Y, Markhametova Z, Ashimova A, Zhulamanova A, Nogaibayeva A, Kozina L, Matkarimov B, Aituov B, Gaipov A, Myngbay A. Elevated Levels of Plasma Collagen Triple Helix Repeat Containing 1 (CTHRC1) Is Strongly Associated with eGFR and Albuminuria in Chronic Kidney Disease. Medicina (B Aires) 2023; 59:medicina59040651. [PMID: 37109608 PMCID: PMC10146339 DOI: 10.3390/medicina59040651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Background: Chronic kidney disease (CKD) has various etiologies, making it impossible to fully understand its complex pathophysiology. Elevated levels of plasma creatinine, proteinuria, and albuminuria and declined eGFR are traits observed in CKD patients. The current study attempts to highlight the collagen triple helix repeat containing 1 (CTHRC1) protein as a putative blood biomarker for CKD in addition to existing recognized indicators of CKD progression. Methods: A total of 26 CKD patients and 18 healthy controls were enrolled in this study. Clinical characteristics and complete blood and biochemical analyses were collected, and human ELISA kits were used to detect possible CKD biomarkers. Results: The study’s findings showed that CTHRC1 correlates with key clinical markers of kidney function such as 24 h urine total protein, creatinine, urea, and uric acid. In addition, CTHRC1 demonstrated a strong significant difference (p ≤ 0.0001) between the CKD and control group. Conclusions: Our research demonstrates that the plasma level of CTHRC1 can distinguish between those with CKD and healthy patients. Plasma CTHRC1 levels may aid in the diagnosis of CKD given the current state of knowledge, and these results call for further investigation in a wider, more diverse patient group.
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Balazova L, Balaz M, Horvath C, Horváth Á, Moser C, Kovanicova Z, Ghosh A, Ghoshdastider U, Efthymiou V, Kiehlmann E, Sun W, Dong H, Ding L, Amri EZ, Nuutila P, Virtanen KA, Niemi T, Ukropcova B, Ukropec J, Pelczar P, Lamla T, Hamilton B, Neubauer H, Wolfrum C. GPR180 is a component of TGFβ signalling that promotes thermogenic adipocyte function and mediates the metabolic effects of the adipocyte-secreted factor CTHRC1. Nat Commun 2021; 12:7144. [PMID: 34880217 PMCID: PMC8655035 DOI: 10.1038/s41467-021-27442-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022] Open
Abstract
Activation of thermogenic brown and beige adipocytes is considered as a strategy to improve metabolic control. Here, we identify GPR180 as a receptor regulating brown and beige adipocyte function and whole-body glucose homeostasis, whose expression in humans is associated with improved metabolic control. We demonstrate that GPR180 is not a GPCR but a component of the TGFβ signalling pathway and regulates the activity of the TGFβ receptor complex through SMAD3 phosphorylation. In addition, using genetic and pharmacological tools, we provide evidence that GPR180 is required to manifest Collagen triple helix repeat containing 1 (CTHRC1) action to regulate brown and beige adipocyte activity and glucose homeostasis. In this work, we show that CTHRC1/GPR180 signalling integrates into the TGFβ signalling as an alternative axis to fine-tune and achieve low-grade activation of the pathway to prevent pathophysiological response while contributing to control of glucose and energy metabolism.
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Affiliation(s)
- Lucia Balazova
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Miroslav Balaz
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
- Institute of Experimental Endocrinology, Biomedical Research Center at the Slovak Academy of Sciences, 84505, Bratislava, Slovakia
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University in Bratislava, 84215, Bratislava, Slovakia
| | - Carla Horvath
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Áron Horváth
- Biomechanics Laboratory, University Hospital Balgrist, University of Zurich, 8008, Zurich, Switzerland
- Institute of Biomechanics, ETH Zurich, 8093, Zurich, Switzerland
| | - Caroline Moser
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Zuzana Kovanicova
- Institute of Experimental Endocrinology, Biomedical Research Center at the Slovak Academy of Sciences, 84505, Bratislava, Slovakia
| | - Adhideb Ghosh
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
- Functional Genomics Centre Zurich, ETH Zurich/ University of Zurich, 8057, Zurich, Switzerland
| | - Umesh Ghoshdastider
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Vissarion Efthymiou
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Elke Kiehlmann
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Wenfei Sun
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Hua Dong
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Lianggong Ding
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland
| | - Ez-Zoubir Amri
- Université Côte d'Azur, French National Centre for Scientific Research, Inserm, iBV, 06107, Nice, France
| | - Pirjo Nuutila
- Turku PET Centre, University of Turku, 20520, Turku, Finland
| | | | - Tarja Niemi
- Department of Surgery, Turku University Hospital, 20520, Turku, Finland
| | - Barbara Ukropcova
- Institute of Experimental Endocrinology, Biomedical Research Center at the Slovak Academy of Sciences, 84505, Bratislava, Slovakia
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, 81108, Bratislava, Slovakia
| | - Jozef Ukropec
- Institute of Experimental Endocrinology, Biomedical Research Center at the Slovak Academy of Sciences, 84505, Bratislava, Slovakia
| | - Pawel Pelczar
- Center for Transgenic Models, University of Basel, 3350, Basel, Switzerland
| | - Thorsten Lamla
- Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, 88397, Biberach an der Riss, Germany
| | - Bradford Hamilton
- Cardiometabolic Diseases Research Department, Boehringer Ingelheim Pharma GmbH and Co. KG, 88397, Biberach an der Riss, Germany
| | - Heike Neubauer
- Cardiometabolic Diseases Research Department, Boehringer Ingelheim Pharma GmbH and Co. KG, 88397, Biberach an der Riss, Germany
| | - Christian Wolfrum
- Institute of Food, Nutrition and Health, ETH Zürich, 8603, Schwerzenbach, Switzerland.
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CTHRC1 Knockdown Promotes Inflammatory Responses Partially by p38 MAPK Activation in Human Periodontal Ligament Cells. Inflammation 2021; 44:1831-1842. [PMID: 33846931 DOI: 10.1007/s10753-021-01461-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/18/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022]
Abstract
Collagen triple helix repeat containing 1 (CTHRC1), a secreted glycoprotein, is widely expressed in many tissues. It has been recently defined as a novel marker for rheumatoid arthritis (RA), a systemic inflammatory disorder. However, the precise role of CTHRC1 in other chronic inflammatory diseases, like periodontal disease, remains unclear. This research aimed to explore the presence of CTHRC1 in periodontal inflammation, determine the precise role in inflammatory response modulation in periodontal ligament cells (PDLCs), and explore its underlying mechanisms. In vivo gingival crevicular fluid (GCF) and gingivae were obtained from healthy people and chronic periodontitis patients. Maxillary tissues of mice with or without ligature-induced periodontitis were immunostained for CTHRC1. In vitro human PDLCs were treated with tumor necrosis factor alpha (TNF-α) to mimic the inflammatory environment. Small interfering RNA (siRNA) was used to silence CTHRC1. SB203580 was used to inhibit the p38 mitogen-activated protein kinase (MAPK) pathway. CTHRC1 was highly expressed in GCF and gingival tissues of periodontitis patients. Animal models also revealed the same tendency. CTHRC1 knockdown promoted inflammatory cytokine production and activated the p38 MAPK signaling pathway in PDLCs. Inhibiting the p38 MAPK signaling pathway partially attenuated the inflammatory responses. This study revealed that CTHRC1 was highly expressed in periodontitis and suggested that CTHRC1 might play an important role in modulating periodontal inflammation.
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The Role of Collagen Triple Helix Repeat-Containing 1 Protein (CTHRC1) in Rheumatoid Arthritis. Int J Mol Sci 2021; 22:ijms22052426. [PMID: 33670905 PMCID: PMC7957534 DOI: 10.3390/ijms22052426] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 01/15/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease causing inflammation of joints, cartilage destruction and bone erosion. Biomarkers and new drug targets are actively sought and progressed to improve available options for patient treatment. The Collagen Triple Helix Repeat Containing 1 protein (CTHRC1) may have an important role as a biomarker for rheumatoid arthritis, as CTHRC1 protein concentration is significantly elevated in the peripheral blood of rheumatoid arthritis patients compared to osteoarthritis (OA) patients and healthy individuals. CTHRC1 is a secreted glycoprotein that promotes cell migration and has been implicated in arterial tissue-repair processes. Furthermore, high CTHRC1 expression is observed in many types of cancer and is associated with cancer metastasis to the bone and poor patient prognosis. However, the function of CTHRC1 in RA is still largely undefined. The aim of this review is to summarize recent findings on the role of CTHRC1 as a potential biomarker and pathogenic driver of RA progression. We will discuss emerging evidence linking CTHRC1 to the pathogenic behavior of fibroblast-like synoviocytes and to cartilage and bone erosion through modulation of the balance between bone resorption and repair.
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Leclère L, Nir TS, Bazarsky M, Braitbard M, Schneidman-Duhovny D, Gat U. Dynamic Evolution of the Cthrc1 Genes, a Newly Defined Collagen-Like Family. Genome Biol Evol 2020; 12:3957-3970. [PMID: 32022859 PMCID: PMC7058181 DOI: 10.1093/gbe/evaa020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2020] [Indexed: 12/11/2022] Open
Abstract
Collagen triple helix repeat containing protein 1 (Cthrc1) is a secreted glycoprotein reported to regulate collagen deposition and to be linked to the Transforming growth factor β/Bone morphogenetic protein and the Wnt/planar cell polarity pathways. It was first identified as being induced upon injury to rat arteries and was found to be highly expressed in multiple human cancer types. Here, we explore the phylogenetic and evolutionary trends of this metazoan gene family, previously studied only in vertebrates. We identify Cthrc1 orthologs in two distant cnidarian species, the sea anemone Nematostella vectensis and the hydrozoan Clytia hemisphaerica, both of which harbor multiple copies of this gene. We find that Cthrc1 clade-specific diversification occurred multiple times in cnidarians as well as in most metazoan clades where we detected this gene. Many other groups, such as arthropods and nematodes, have entirely lost this gene family. Most vertebrates display a single highly conserved gene, and we show that the sequence evolutionary rate of Cthrc1 drastically decreased within the gnathostome lineage. Interestingly, this reduction coincided with the origin of its conserved upstream neighboring gene, Frizzled 6 (FZD6), which in mice has been shown to functionally interact with Cthrc1. Structural modeling methods further reveal that the yet uncharacterized C-terminal domain of Cthrc1 is similar in structure to the globular C1q superfamily domain, also found in the C-termini of collagens VIII and X. Thus, our studies show that the Cthrc1 genes are a collagen-like family with a variable short collagen triple helix domain and a highly conserved C-terminal domain structure resembling the C1q family.
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Affiliation(s)
- Lucas Leclère
- Laboratoire de Biologie du Développement de Villefranche-sur-Mer (LBDV), Sorbonne Université, CNRS, Villefranche-sur-Mer, France
| | - Tal S Nir
- Department of Cell and Developmental Biology, Silberman Life Sciences Institute, The Hebrew University of Jerusalem, Israel
| | - Michael Bazarsky
- Department of Cell and Developmental Biology, Silberman Life Sciences Institute, The Hebrew University of Jerusalem, Israel
| | - Merav Braitbard
- Department of Biochemistry, Silberman Life Sciences Institute, The Hebrew University of Jerusalem, Israel
| | - Dina Schneidman-Duhovny
- Department of Biochemistry, Silberman Life Sciences Institute, The Hebrew University of Jerusalem, Israel.,School of Computer Science and Engineering, The Hebrew University of Jerusalem, Israel
| | - Uri Gat
- Department of Cell and Developmental Biology, Silberman Life Sciences Institute, The Hebrew University of Jerusalem, Israel
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12
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Zhou Q, Xiong W, Zhou X, Gao RS, Lin QF, Liu HY, Li JN, Tian XF. CTHRC1 and PD‑1/PD‑L1 expression predicts tumor recurrence in prostate cancer. Mol Med Rep 2019; 20:4244-4252. [PMID: 31545446 PMCID: PMC6797961 DOI: 10.3892/mmr.2019.10690] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 08/08/2019] [Indexed: 12/31/2022] Open
Abstract
Collagen triple helix repeat containing 1 (CTHRC1) is a gene that has been associated with tumor progression in human prostate cancer (PC). The tumor immune microenvironment has been linked with disease outcome in PC. In the present study, the correlation between CTHRC1 with PC recurrence and the tumor immunological microenvironment was investigated. Using the data supplied by the Tumor Immune Estimation Resource (TIMER), the expression of CTHRC1, programmed cell death protein 1 (PD-1), and programmed cell death 1 ligand 1 (PD-L1) were analyzed. Immunohistochemical staining of CTHRC1, PD-1 and PD-L1 was performed using a tissue microarray construction of prostate adenocarcinoma (PRAD) specimens. In PRAD, an association was reported between the CTHRC1 expression and the disease free survival (DFS) rate (P=0.022). Overexpression of CTHRC1 was correlated with increased levels of PD-1 (R=0.272, P=0.021) and PD-L1 (R=0.298, P=0.016), elevated levels of infiltrating B cells (P=9.51e−11), CD4+ cells (P=1.51e−11), macrophages (P=8.25e−5), neutrophils (P=2.17e−9) and dendritic cells (P=3.13e−13). Bioinformatics analysis revealed that CTHRC1 was correlated with the expression levels of matrix metalloproteinase-9, mucin 1 and solute carrier organic anion transporter family member 2B1 genes, which exert an influence in PRAD. The occurrence of this condition is most likely to be associated with regulation of the tumor microenvironment. Taken together, we demonstrated that the prognosis and immunity of PC are closely linked to CTHRC1 upregulation. Furthermore, these results suggest that the immune function of PC may be suppressed by CTHRC1-targeting therapy.
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Affiliation(s)
- Qing Zhou
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Wei Xiong
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Xing Zhou
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Rui-Song Gao
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Qun-Fang Lin
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Hui-Ying Liu
- Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
| | - Juan-Ni Li
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410005, P.R. China
| | - Xue-Fei Tian
- Department of Internal Medicine, College of Integrated Chinese and Western Medicine of Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
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13
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Myngbay A, Bexeitov Y, Adilbayeva A, Assylbekov Z, Yevstratenko BP, Aitzhanova RM, Matkarimov B, Adarichev VA, Kunz J. CTHRC1: A New Candidate Biomarker for Improved Rheumatoid Arthritis Diagnosis. Front Immunol 2019; 10:1353. [PMID: 31249576 PMCID: PMC6582781 DOI: 10.3389/fimmu.2019.01353] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 05/28/2019] [Indexed: 11/23/2022] Open
Abstract
Background: The purpose of this study was to determine whether plasma levels of the collagen triple helix repeat containing 1 (CTHRC1) protein can serve as a blood-based biomarker for improved diagnosis of rheumatoid arthritis (RA) patients and monitoring of RA disease activity. Methods: We measured levels of CTHRC1 in the plasma of patients diagnosed with RA, osteoarthritis (OA), reactive arthritis (ReA), as well as in healthy individuals. We then assessed the correlation between CTHRC1 protein and a range of indices including the 28-joint disease activity score (DAS28), rheumatoid factor (RF), C-reactive protein (CRP), anti-citrullinated protein antibodies (ACPA), erythrocyte sedimentation rate (ESR), as well as a panel of cytokines, including interleukin 1 beta (IL-1β), interleukin 6 (IL-6), interleukin 8 (IL-8), and interferon gamma (IFNγ). Receiver operating characteristic (ROC) analysis was further performed to assess the diagnostic value of CTHRC1. Results: CTHRC1 plasma levels were significantly elevated in RA patients compared to healthy individuals, OA and ReA patients. ROC curve and risk score analysis suggested that plasma CTHRC1 can accurately discriminate patients with RA from healthy controls and may have practical value for RA diagnosis. CTHRC1 levels were positively associated with RF, ACPA, CRP, and disease activity based on the combined index of DAS28 with CRP (DAS28-CRP), and also strongly correlated with IL-1β, IL-6, IL-8, and IFNγ. Conclusion: Our studies show that CTHRC1 is a sensitive and easy-to-measure plasma marker that differentiates between RA and healthy status and also distinguishes between RA and other forms of arthritis, such as OA and ReA. At the current level of understanding, plasma CTHRC1 levels may improve the diagnosis of RA and these findings warrant confirmation in a larger, more comprehensive patient population.
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Affiliation(s)
- Askhat Myngbay
- PhD Program in Science, Engineering and Technology, Nazarbayev University, Astana, Kazakhstan.,National Laboratory Astana, Astana, Kazakhstan
| | - Yergali Bexeitov
- National Laboratory Astana, Department of General Biology and Genomics, Faculty of Natural Sciences, L. N. Gumilyov Eurasian National University, Astana, Kazakhstan
| | | | | | | | | | | | - Vyacheslav A Adarichev
- Department of Medicine (Division of Rheumatology), Department of Microbiology & Immunology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Jeannette Kunz
- Department of Biology, Nazarbayev University, Astana, Kazakhstan
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14
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Jin J, Togo S, Kadoya K, Tulafu M, Namba Y, Iwai M, Watanabe J, Nagahama K, Okabe T, Hidayat M, Kodama Y, Kitamura H, Ogura T, Kitamura N, Ikeo K, Sasaki S, Tominaga S, Takahashi K. Pirfenidone attenuates lung fibrotic fibroblast responses to transforming growth factor-β1. Respir Res 2019; 20:119. [PMID: 31185973 PMCID: PMC6558902 DOI: 10.1186/s12931-019-1093-z] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/05/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Pirfenidone, an antifibrotic agent used for the treatment of idiopathic pulmonary fibrosis (IPF), functions by inhibiting myofibroblast differentiation, which is involved in transforming growth factor (TGF)-β1-induced IPF pathogenesis. However, unlike normal lung fibroblasts, the relationship between pirfenidone responses of TGF-β1-induced human fibrotic lung fibroblasts and lung fibrosis has not been elucidated. METHODS The effects of pirfenidone were evaluated in lung fibroblasts isolated from fibrotic human lung tissues after TGF-β1 exposure. The ability of two new pharmacological targets of pirfenidone, collagen triple helix repeat containing protein 1(CTHRC1) and four-and-a-half LIM domain protein 2 (FHL2), to mediate contraction of collagen gels and migration toward fibronectin were assessed in vitro. RESULTS Compared to control lung fibroblasts, pirfenidone significantly restored TGF-β1-stimulated fibroblast-mediated collagen gel contraction, migration, and CTHRC1 release in lung fibrotic fibroblasts. Furthermore, pirfenidone attenuated TGF-β1- and CTHRC1-induced fibroblast activity, upregulation of bone morphogenic protein-4(BMP-4)/Gremlin1, and downregulation of α-smooth muscle actin, fibronectin, and FHL2, similar to that observed post-CTHRC1 inhibition. In contrast, FHL2 inhibition suppressed migration and fibronectin expression, but did not downregulate CTHRC1. CONCLUSIONS Overall, pirfenidone suppressed fibrotic fibroblast-mediated fibrotic processes via inverse regulation of CTHRC1-induced lung fibroblast activity. Thus, CTHRC1 can be used for predicting pirfenidone response and developing new therapeutic targets for lung fibrosis.
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Affiliation(s)
- Jin Jin
- Department of Respiratory and Critical Care Medicine, Beijing Hospital, National Center of Gerontology, Beijing, 100730, People's Republic of China.,Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Shinsaku Togo
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan. .,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan. .,Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.
| | - Kotaro Kadoya
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Miniwan Tulafu
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Yukiko Namba
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Department of Respiratory Medicine Kanagawa Cardiovascular and Respiratory Center, 6-16-1 Tomiokahigashi, Kanazawa-ku, Yokohama, Kanagawa, 236-0051, Japan
| | - Moe Iwai
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Junko Watanabe
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Kumi Nagahama
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Takahiro Okabe
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Moulid Hidayat
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Yuzo Kodama
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Hideya Kitamura
- Department of Respiratory Medicine Kanagawa Cardiovascular and Respiratory Center, 6-16-1 Tomiokahigashi, Kanazawa-ku, Yokohama, Kanagawa, 236-0051, Japan
| | - Takashi Ogura
- Department of Respiratory Medicine Kanagawa Cardiovascular and Respiratory Center, 6-16-1 Tomiokahigashi, Kanazawa-ku, Yokohama, Kanagawa, 236-0051, Japan
| | - Norikazu Kitamura
- Center for Information Biology, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka, 411-8540, Japan
| | - Kazuho Ikeo
- Center for Information Biology, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka, 411-8540, Japan.,Department of Genetics, SOKENDAI, 1111 Yata, Mishima, Shizuoka, 411-8540, Japan
| | - Shinichi Sasaki
- Department of Respiratory Medicine, Juntendo University Urayasu Hospital, Chiba, 279-0001, Japan
| | - Shigeru Tominaga
- Department of Respiratory Medicine, Juntendo University Urayasu Hospital, Chiba, 279-0001, Japan
| | - Kazuhisa Takahashi
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.,Research Institute for Diseases of Old Ages, Juntendo University Graduate School of Medicine, 2-1 -1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
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15
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Jin YR, Stohn JP, Wang Q, Nagano K, Baron R, Bouxsein ML, Rosen CJ, Adarichev VA, Lindner V. Inhibition of osteoclast differentiation and collagen antibody-induced arthritis by CTHRC1. Bone 2017; 97:153-167. [PMID: 28115279 PMCID: PMC6746321 DOI: 10.1016/j.bone.2017.01.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/05/2017] [Accepted: 01/20/2017] [Indexed: 01/12/2023]
Abstract
Collagen triple helix repeat-containing1 (Cthrc1) has previously been implicated in osteogenic differentiation and positive regulation of bone mass, however, the underlying mechanisms remain unclear. Here we characterized the bone phenotype of a novel Cthrc1 null mouse strain using bone histomorphometry, μCT analysis and functional readouts for bone strength. In male Cthrc1 null mice both trabecular bone as well as cortical bone formation was impaired, whereas in female Cthrc1 null mice only trabecular bone parameters were altered. Novel and highly specific monoclonal antibodies revealed that CTHRC1 is expressed by osteocytes and osteoblasts, but not osteoclasts. Furthermore, Cthrc1 null mice exhibited increased bone resorption with increased number of osteoclast and increased osteoclast activity together with enhanced expression of osteoclastogenic genes such as c-Fos, Rankl, Trap, and Nfatc1. Differentiation of bone marrow-derived monocytes isolated from Cthrc1 null mice differentiated into osteoclasts as effectively as those from wildtype mice. In the presence of CTHRC1 osteoclastogenic differentiation of bone marrow-derived monocytes was dramatically inhibited as was functional bone resorption by osteoclasts. This process was accompanied by downregulation of osteoclastogenic marker genes, indicating that extrinsically derived CTHRC1 is required for such activity. In vitro, CTHRC1 had no effect on osteogenic differentiation of bone marrow stromal cells, however, calvarial osteoblasts from Cthrc1 null mice exhibited reduced osteogenic differentiation compared to osteoblasts from wildtypes. In a collagen antibody-induced arthritis model Cthrc1 null mice suffered significantly more severe inflammation and joint destruction than wildtypes, suggesting that CTHRC1 expressed by the activated synoviocytes has anti-inflammatory effects. Mechanistically, we found that CTHRC1 inhibited NFκB activation by preventing IκBα degradation while also inhibiting ERK1/2 activation. Collectively our studies demonstrate that CTHRC1 secreted from osteocytes and osteoblasts functions as an inhibitor of osteoclast differentiation via inhibition of NFκB-dependent signaling. Furthermore, our data suggest that CTHRC1 has potent anti-inflammatory properties that limit arthritic joint destruction.
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Affiliation(s)
- Yong-Ri Jin
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, United States
| | - J Patrizia Stohn
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, United States
| | - Qiaozeng Wang
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, United States
| | - Kenichi Nagano
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, United States
| | - Roland Baron
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, United States
| | - Mary L Bouxsein
- Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Clifford J Rosen
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, United States
| | | | - Volkhard Lindner
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, United States.
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16
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Shekhani MT, Forde TS, Adilbayeva A, Ramez M, Myngbay A, Bexeitov Y, Lindner V, Adarichev VA. Collagen triple helix repeat containing 1 is a new promigratory marker of arthritic pannus. Arthritis Res Ther 2016; 18:171. [PMID: 27430622 PMCID: PMC4950773 DOI: 10.1186/s13075-016-1067-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 06/28/2016] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The formation of destructive hypercellular pannus is critical to joint damage in rheumatoid arthritis (RA). The collagen triple helix repeat containing 1 (CTHRC1) protein expressed by activated stromal cells of diverse origin has previously been implicated in tissue remodeling and carcinogenesis. We recently discovered that the synovial Cthrc1 mRNA directly correlates with arthritis severity in mice. This study characterizes the role of CTHRC1 in arthritic pannus formation. METHODS Synovial joints of mice with collagen antibody-induced arthritis (CAIA) and human RA-fibroblast-like synoviocytes (FLS) were immunostained for CTHRC1, FLS and macrophage-specific markers. CTHRC1 levels in plasma from patients with RA were measured using sandwich ELISA. The migratory response of fibroblasts was studied with a transwell migration assay and time-lapse microscopy. Velocity and directness of cell migration was analyzed by recording the trajectories of cells treated with rhCTHRC1. RESULTS Immunohistochemical analysis of normal and inflamed synovium revealed highly inducible expression of CTHRC1 in arthritis (10.9-fold). At the tissue level, CTHRC1-expressing cells occupied the same niche as large fibroblast-like cells positive for α-smooth muscle actin (α-SMA) and cadherin 11 (CDH11). CTHRC1 was produced by activated FLS predominantly located at the synovial intimal lining and at the bone-pannus interface. Cultured RA-FLS expressed CDH11, α-SMA, and CTHRC1. Upon treatment with exogenous rhCTHRC1, embryonic fibroblasts and RA-FLS significantly increased migration velocity, directness, and cell length along the front-tail axis (1.4-fold, p < 0.01). CONCLUSION CTHRC1 was established as a novel marker of activated synoviocytes in murine experimental arthritis and RA. The pro-migratory effect of CTHRC1 on synoviocytes is considered one of the mechanisms promoting hypercellularity of the arthritic pannus.
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Affiliation(s)
- Mohammed Talha Shekhani
- />Albert Einstein College of Medicine, Departments of Medicine (Division of Rheumatology) and Microbiology & Immunology, Bronx, NY 10461 USA
| | - Toni S. Forde
- />Albert Einstein College of Medicine, Departments of Medicine (Division of Rheumatology) and Microbiology & Immunology, Bronx, NY 10461 USA
| | | | - Mohamed Ramez
- />Albert Einstein College of Medicine, Departments of Medicine (Division of Rheumatology) and Microbiology & Immunology, Bronx, NY 10461 USA
| | | | | | - Volkhard Lindner
- />Maine Medical Center Research Institute, Scarborough, ME 04704 USA
| | - Vyacheslav A. Adarichev
- />Albert Einstein College of Medicine, Departments of Medicine (Division of Rheumatology) and Microbiology & Immunology, Bronx, NY 10461 USA
- />National Laboratory Astana, Astana, 010000 Kazakhstan
- />Department of Biology, Nazarbayev University, School of Science and Technology, Astana, 010000 Kazakhstan
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17
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Stohn JP, Wang Q, Siviski ME, Kennedy K, Jin YR, Kacer D, DeMambro V, Liaw L, Vary CP, Rosen CJ, Prudovsky I, Lindner V. Cthrc1 controls adipose tissue formation, body composition, and physical activity. Obesity (Silver Spring) 2015; 23:1633-42. [PMID: 26148471 PMCID: PMC4509980 DOI: 10.1002/oby.21144] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2015] [Revised: 04/17/2015] [Accepted: 04/17/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVE This study investigated the effects of loss of Cthrc1 on adipogenesis, body composition, metabolism, physical activity, and muscle physiology. METHODS Complete metabolic and activity monitoring as well as grip strength measurements and muscle myography was performed in Cthrc1 null and wildtype mice. RESULTS Compared to wildtypes, Cthrc1 null mice had similar body weights but significantly reduced energy expenditure, decreased lean mass, and increased fat mass, especially visceral fat. In vitro studies demonstrated that Cthrc1 inhibited adipocyte differentiation as well as PPAR and CREB reporter activity, while preadipocytes isolated from Cthrc1 null mice exhibited enhanced adipogenic differentiation. Voluntary physical activity in Cthrc1 null mice as assessed by wheel running was reduced to approximately half the distance covered by wildtypes. Reduced grip strength was observed in Cthrc1 null mice at the age of 15 weeks or older with reduced performance and mass of hyphenate muscle. In the brain, Cthrc1 expression was most prominent in neurons of thalamic and hypothalamic nuclei with evidence for secretion into the circulation in the median eminence. CONCLUSIONS Our data indicate that Cthrc1 regulates body composition through inhibition of adipogenesis. In addition, central Cthrc1 may be a mediator of muscle function and physical activity.
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Affiliation(s)
- J Patrizia Stohn
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Qiaozeng Wang
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Matthew E Siviski
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Kevin Kennedy
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Yong-Ri Jin
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Doreen Kacer
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Victoria DeMambro
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Lucy Liaw
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Calvin P Vary
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Clifford J Rosen
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Igor Prudovsky
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
| | - Volkhard Lindner
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, Maine, USA
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