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Adewale AT, Sharma S, Mouawad J, Nguyen XX, Bradshaw AD, Feghali-Bostwick C. IGF-II Regulates Lysyl Oxidase Propeptide and Mediates its Effects in part via Basic Helix-Loop-Helix E40. Matrix Biol 2024; 132:S0945-053X(24)00078-7. [PMID: 38852924 DOI: 10.1016/j.matbio.2024.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/31/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Pulmonary fibrosis (PF) is a clinically severe and commonly fatal complication of Systemic Sclerosis (SSc). Our group has previously reported profibrotic roles for Insulin-like Growth Factor II (IGF-II) and Lysyl Oxidase (LOX) in SSc-PF. We sought to identify downstream regulatory mediators of IGF-II. In the present work, we show that SSc lung tissues have higher baseline levels of the total (N-glycosylated/unglycosylated) LOX-Propeptide (LOX-PP) than normal lung tissues. LOX-PP-mediated changes were consistent with the extracellular matrix (ECM) deregulation implicated in SSc-PF progression. Furthermore, Tolloid-like 1 (TLL1) and Bone Morphogenetic Protein 1 (BMP1), enzymes that can cleave ProLOX to release LOX-PP, were increased in SSc lung fibrosis and the bleomycin (BLM)-induced murine lung fibrosis model, respectively. In addition, IGF-II regulated the levels of ProLOX, active LOX, LOX-PP, BMP1, and isoforms of TLL1. The Class E Basic Helix-Loop-Helix protein 40 (BHLHE40) transcription factor localized to the nucleus in response to IGF-II. BHLHE40 silencing downregulated TLL1 isoforms and LOX-PP, and restored significant features of ECM deregulation triggered by IGF-II. Our findings indicate that IGF-II, BHLHE40, and LOX-PP may serve as targets of therapeutic intervention to halt SSc-PF progression.
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Affiliation(s)
- Adegboyega Timothy Adewale
- Medical Scientist Training Program; Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Shailza Sharma
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA.
| | - Joe Mouawad
- Medical Scientist Training Program; Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Xinh-Xinh Nguyen
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Amy D Bradshaw
- Medical Scientist Training Program; Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Carol Feghali-Bostwick
- Medical Scientist Training Program; Department of Medicine, Medical University of South Carolina, Charleston, SC, USA.
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2
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Joshi A, Nigam A, Narayan Mudgal L, Mondal B, Basak T. ColPTMScape: An open access knowledge base for tissue-specific collagen PTM maps. Matrix Biol Plus 2024; 22:100144. [PMID: 38469247 PMCID: PMC10926295 DOI: 10.1016/j.mbplus.2024.100144] [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: 12/07/2023] [Revised: 02/26/2024] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
Collagen is a key component of the extracellular matrix (ECM). In the remodeling of ECM, a remarkable variation in collagen post-translational modifications (PTMs) occurs. This makes collagen a potential target for understanding extracellular matrix remodeling during pathological conditions. Over the years, scientists have gathered a huge amount of data about collagen PTM during extracellular matrix remodeling. To make such information easily accessible in a consolidated space, we have developed ColPTMScape (https://colptmscape.iitmandi.ac.in/), a dedicated knowledge base for collagen PTMs. The identified site-specific PTMs, quantitated PTM sites, and PTM maps of collagen chains are deliverables to the scientific community, especially to matrix biologists. Through this knowledge base, users can easily gain information related to the difference in the collagen PTMs across different tissues in different organisms.
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Affiliation(s)
- Ashutosh Joshi
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Ayush Nigam
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Lalit Narayan Mudgal
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Bhaskar Mondal
- School of Chemical Sciences, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Trayambak Basak
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
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Schurman CA, Kaya S, Dole N, Luna NMM, Castillo N, Potter R, Rose JP, Bons J, King CD, Burton JB, Schilling B, Melov S, Tang S, Schaible E, Alliston T. Aging impairs the osteocytic regulation of collagen integrity and bone quality. Bone Res 2024; 12:13. [PMID: 38409111 PMCID: PMC10897167 DOI: 10.1038/s41413-023-00303-7] [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: 05/22/2023] [Revised: 10/31/2023] [Accepted: 11/13/2023] [Indexed: 02/28/2024] Open
Abstract
Poor bone quality is a major factor in skeletal fragility in elderly individuals. The molecular mechanisms that establish and maintain bone quality, independent of bone mass, are unknown but are thought to be primarily determined by osteocytes. We hypothesize that the age-related decline in bone quality results from the suppression of osteocyte perilacunar/canalicular remodeling (PLR), which maintains bone material properties. We examined bones from young and aged mice with osteocyte-intrinsic repression of TGFβ signaling (TβRIIocy-/-) that suppresses PLR. The control aged bone displayed decreased TGFβ signaling and PLR, but aging did not worsen the existing PLR suppression in male TβRIIocy-/- bone. This relationship impacted the behavior of collagen material at the nanoscale and tissue scale in macromechanical tests. The effects of age on bone mass, density, and mineral material behavior were independent of osteocytic TGFβ. We determined that the decline in bone quality with age arises from the loss of osteocyte function and the loss of TGFβ-dependent maintenance of collagen integrity.
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Affiliation(s)
- Charles A Schurman
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Serra Kaya
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Neha Dole
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Nadja M Maldonado Luna
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA
| | - Natalia Castillo
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Ryan Potter
- Washington University in St Louis, Department of Orthopedics, St. Louis, MO, 63130, USA
| | - Jacob P Rose
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Joanna Bons
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | | | - Jordan B Burton
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | | | - Simon Melov
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Simon Tang
- Washington University in St Louis, Department of Orthopedics, St. Louis, MO, 63130, USA
| | - Eric Schaible
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Tamara Alliston
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA.
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA.
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4
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Sasaki M, Hara T, Wang JX, Zhou Y, Kennedy KV, Umeweni CN, Alston MA, Spergel ZC, Ishikawa S, Teranishi R, Nakagawa R, Mcmillan EA, Whelan KA, Karakasheva TA, Hamilton KE, Ruffner MA, Muir AB. Lysyl Oxidase Regulates Epithelial Differentiation and Barrier Integrity in Eosinophilic Esophagitis. Cell Mol Gastroenterol Hepatol 2024; 17:923-937. [PMID: 38340809 PMCID: PMC11026689 DOI: 10.1016/j.jcmgh.2024.01.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/31/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND & AIMS Epithelial disruption in eosinophilic esophagitis (EoE) encompasses both impaired differentiation and diminished barrier integrity. We have shown that lysyl oxidase (LOX), a collagen cross-linking enzyme, is up-regulated in the esophageal epithelium in EoE. However, the functional roles of LOX in the esophageal epithelium remains unknown. METHODS We investigated roles for LOX in the human esophageal epithelium using 3-dimensional organoid and air-liquid interface cultures stimulated with interleukin (IL)13 to recapitulate the EoE inflammatory milieu, followed by single-cell RNA sequencing, quantitative reverse-transcription polymerase chain reaction, Western blot, histology, and functional analyses of barrier integrity. RESULTS Single-cell RNA sequencing analysis on patient-derived organoids revealed that LOX was induced by IL13 in differentiated cells. LOX-overexpressing organoids showed suppressed basal and up-regulated differentiation markers. In addition, LOX overexpression enhanced junctional protein genes and transepithelial electrical resistance. LOX overexpression restored the impaired differentiation and barrier function, including in the setting of IL13 stimulation. Transcriptome analyses on LOX-overexpressing organoids identified an enriched bone morphogenetic protein (BMP) signaling pathway compared with wild-type organoids. In particular, LOX overexpression increased BMP2 and decreased the BMP antagonist follistatin. Finally, we found that BMP2 treatment restored the balance of basal and differentiated cells. CONCLUSIONS Our data support a model whereby LOX exhibits noncanonical roles as a signaling molecule important for epithelial homeostasis in the setting of inflammation via activation of the BMP pathway in the esophagus. The LOX/BMP axis may be integral in esophageal epithelial differentiation and a promising target for future therapies.
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Affiliation(s)
- Masaru Sasaki
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Takeo Hara
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Joshua X Wang
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Yusen Zhou
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Kanak V Kennedy
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Chizoba N Umeweni
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Maiya A Alston
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Zachary C Spergel
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Satoshi Ishikawa
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Ryugo Teranishi
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Ritsu Nakagawa
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Emily A Mcmillan
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Kelly A Whelan
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania; Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Tatiana A Karakasheva
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Kathryn E Hamilton
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Melanie A Ruffner
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Allergy and Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Amanda B Muir
- Division of Gastroenterology, Hepatology, and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
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Sun D, Wei S, Wang D, Zeng M, Mo Y, Li H, Liang C, Li L, Zhang JW, Wang L. Integrative analysis of potential diagnostic markers and therapeutic targets for glomerulus-associated diabetic nephropathy based on cellular senescence. Front Immunol 2024; 14:1328757. [PMID: 38390397 PMCID: PMC10881763 DOI: 10.3389/fimmu.2023.1328757] [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: 10/27/2023] [Accepted: 12/14/2023] [Indexed: 02/24/2024] Open
Abstract
Introduction Diabetic nephropathy (DN), distinguished by detrimental changes in the renal glomeruli, is regarded as the leading cause of death from end-stage renal disease among diabetics. Cellular senescence plays a paramount role, profoundly affecting the onset and progression of chronic kidney disease (CKD) and acute kidney injuries. This study was designed to delve deeply into the pathological mechanisms between glomerulus-associated DN and cellular senescence. Methods Glomerulus-associated DN datasets and cellular senescence-related genes were acquired from the Gene Expression Omnibus (GEO) and CellAge database respectively. By integrating bioinformatics and machine learning methodologies including the LASSO regression analysis and Random Forest, we screened out four signature genes. The receiver operating characteristic (ROC) curve was performed to evaluate the diagnostic performance of the selected genes. Rigorous experimental validations were subsequently conducted in the mouse model to corroborate the identification of three signature genes, namely LOX, FOXD1 and GJA1. Molecular docking with chlorogenic acids (CGA) was further established not only to validate LOX, FOXD1 and GJA1 as diagnostic markers but also reveal their potential therapeutic effects. Results and discussion In conclusion, our findings pinpointed three diagnostic markers of glomerulus-associated DN on the basis of cellular senescence. These markers could not only predict an increased risk of DN progression but also present promising therapeutic targets, potentially ushering in innovative treatments for DN in the elderly population.
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Affiliation(s)
- Donglin Sun
- Department of Urology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Shuqi Wei
- Center for Cancer and Immunology Research, State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Dandan Wang
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, Guangdong, China
| | - Min Zeng
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
| | - Yihao Mo
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
| | - Huafeng Li
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
| | - Caixing Liang
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
| | - Lu Li
- Publicity Department, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Jun Wei Zhang
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
| | - Li Wang
- Nephrology Department, Affiliated Hospital of Southern Medical University: Shenzhen Longhua New District People’s Hospital, Shenzhen, China
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Qiao B, Liu X, Wang B, Wei S. The role of periostin in cardiac fibrosis. Heart Fail Rev 2024; 29:191-206. [PMID: 37870704 DOI: 10.1007/s10741-023-10361-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/10/2023] [Indexed: 10/24/2023]
Abstract
Cardiac fibrosis, which is the buildup of proteins in the connective tissues of the heart, can lead to end-stage extracellular matrix (ECM) remodeling and ultimately heart failure. Cardiac remodeling involves changes in gene expression in cardiac cells and ECM, which significantly leads to the morbidity and mortality in heart failure. However, despite extensive research, the elusive intricacies underlying cardiac fibrosis remain unidentified. Periostin, an extracellular matrix (ECM) protein of the fasciclin superfamily, acts as a scaffold for building complex architectures in the ECM, which improves intermolecular interactions and augments the mechanical properties of connective tissues. Recent research has shown that periostin not only contributes to normal ECM homeostasis in a healthy heart but also serves as a potent inducible regulator of cellular reorganization in cardiac fibrosis. Here, we reviewed the constitutive domain of periostin and its interaction with other ECM proteins. We have also discussed the critical pathophysiological functions of periostin in cardiac remodeling mechanisms, including two distinct yet potentially intertwined mechanisms. Furthermore, we will focus on the intrinsic complexities within periostin research, particularly surrounding the contentious issues observed in experimental findings.
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Affiliation(s)
- Bao Qiao
- Department of Emergency and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Xuehao Liu
- Department of Emergency and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Bailu Wang
- Clinical Trial Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Shujian Wei
- Department of Emergency and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
- Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
- Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
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Ballester-Servera C, Alonso J, Cañes L, Vázquez-Sufuentes P, Puertas-Umbert L, Fernández-Celis A, Taurón M, Rodríguez-Sinovas A, López-Andrés N, Rodríguez C, Martínez-González J. Lysyl oxidase-dependent extracellular matrix crosslinking modulates calcification in atherosclerosis and aortic valve disease. Biomed Pharmacother 2023; 167:115469. [PMID: 37729730 DOI: 10.1016/j.biopha.2023.115469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/30/2023] [Accepted: 09/07/2023] [Indexed: 09/22/2023] Open
Abstract
Extracellular matrix (ECM) is an active player in cardiovascular calcification (CVC), a major public health issue with an unmet need for effective therapies. Lysyl oxidase (LOX) conditions ECM biomechanical properties; thus, we hypothesized that LOX might impact on mineral deposition in calcific aortic valve disease (CAVD) and atherosclerosis. LOX was upregulated in calcified valves from two cohorts of CAVD patients. Strong LOX immunostaining was detected surrounding calcified foci in calcified human valves and atherosclerotic lesions colocalizing with RUNX2 on valvular interstitial cells (VICs) or vascular smooth muscle cells (VSMCs). Both LOX secretion and organized collagen deposition were enhanced in calcifying VICs exposed to osteogenic media. β-aminopropionitrile (BAPN), an inhibitor of LOX, attenuated collagen deposition and calcification. VICs seeded onto decellularized matrices from BAPN-treated VICs calcified less than cells cultured onto control scaffolds; instead, VICs exposed to conditioned media from cells over-expressing LOX or cultured onto LOX-crosslinked matrices calcified more. Atherosclerosis was induced in WT and transgenic mice that overexpress LOX in VSMC (TgLOXVSMC) by AAV-PCSK9D374Y injection and high-fat feeding. In atherosclerosis-challenged TgLOXVSMC mice both atherosclerosis burden and calcification assessed by near-infrared fluorescence (NIRF) imaging were higher than in WT mice. These animals also exhibited larger calcified areas in atherosclerotic lesions from aortic arches and brachiocephalic arteries. Moreover, LOX transgenesis exacerbated plaque inflammation, and increased VSMC cellularity, the rate of RUNX2-positive cells and both connective tissue content and collagen cross-linking. Our findings highlight the relevance of LOX in CVC and postulate this enzyme as a potential therapeutic target for CVC.
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Affiliation(s)
- Carme Ballester-Servera
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Barcelona, Spain; CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - Judith Alonso
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Barcelona, Spain; CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - Laia Cañes
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Barcelona, Spain; CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - Paula Vázquez-Sufuentes
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Barcelona, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - Lídia Puertas-Umbert
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain; Institut de Recerca Hospital de la Santa Creu i Sant Pau (IRHSCSP), Barcelona, Spain
| | - Amaya Fernández-Celis
- Cardiovascular Translational Research, Navarrabiomed, IdiSNA, UPNA, Hospital Universitario de Navarra (HUN), Pamplona, Spain
| | - Manel Taurón
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain; Departamento de Cirugía Cardíaca, Hospital de la Santa Creu i Sant Pau-Universitat Autònoma de Barcelona (HSCSP-UAB), Barcelona, Spain
| | - Antonio Rodríguez-Sinovas
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Cardiovascular Diseases Research Group, Vall d'Hebron University Hospital and Research Institute, Barcelona, Spain
| | - Natalia López-Andrés
- Cardiovascular Translational Research, Navarrabiomed, IdiSNA, UPNA, Hospital Universitario de Navarra (HUN), Pamplona, Spain
| | - Cristina Rodríguez
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain; Institut de Recerca Hospital de la Santa Creu i Sant Pau (IRHSCSP), Barcelona, Spain.
| | - José Martínez-González
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Barcelona, Spain; CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain.
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8
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Mieczkowska A, Mabilleau G. Validation of Fourier Transform Infrared Microspectroscopy for the Evaluation of Enzymatic Cross-Linking of Bone Collagen. Calcif Tissue Int 2023; 113:344-353. [PMID: 37278762 DOI: 10.1007/s00223-023-01105-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/26/2023] [Indexed: 06/07/2023]
Abstract
Enzymatic cross-linking of the bone collagen is important to resist to crack growth and to increased flexural strength. In the present study, we proposed a new method for assessment of enzymatic cross-link based on Fourier transform infrared (FTIR) microspectroscopy that takes into account secondary structure of type I collagen. Briefly, femurs were collected from sham or ovariectomized mice and subjected either to high-performance liquid chromatography-mass spectrometry or embedded in polymethylmethacrylate, cut and analyzed by FTIR microspectroscopy. FTIR acquisition was recorded before and after ultraviolet (UV) exposure or acid treatment. In addition, femurs from a second animal study were used to compare gene expression of Plod2 and Lox enzymes and enzymatic cross-links determined by FTIR microspectroscopy. We evidenced here that intensities and areas of subbands located at ~1660, ~1680, and ~1690 cm-1 were positively and significantly associated with the concentration of pyridinoline (PYD), deoxypyridinoline, or immature dihydroxylysinonorleucine/hydroxylysinonorleucine cross-links. Seventy-two hours exposure to UV light significantly reduced by ~86% and ~89% the intensity and area of the ~1660 cm-1 subband. Similarly, 24 h of acid treatment significantly reduced by 78% and 76% the intensity and area of the ~1690 cm-1 subband. Plod2 and Lox expression were also positively associated to the signal of the ~1660 and ~1690 cm-1 subbands. In conclusion, our study provided a new method for decomposing the amide I envelope of bone section that positively correlates with PYD and immature collagen cross-links. This method allows for investigation of tissue distribution of enzymatic cross-links in bone section.
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Affiliation(s)
- Aleksandra Mieczkowska
- Univ Angers, Nantes Université, ONIRIS, Inserm, UMR 1229, RMeS, REGOS, SFR ICAT, Université d'Angers, 49000, Angers, France
| | - Guillaume Mabilleau
- Univ Angers, Nantes Université, ONIRIS, Inserm, UMR 1229, RMeS, REGOS, SFR ICAT, Université d'Angers, 49000, Angers, France.
- CHU Angers, Departement de Pathologie Cellulaire et Tissulaire, UF de Pathologie osseuse, 49933, Angers, France.
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9
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Añazco C, Riedelsberger J, Vega-Montoto L, Rojas A. Exploring the Interplay between Polyphenols and Lysyl Oxidase Enzymes for Maintaining Extracellular Matrix Homeostasis. Int J Mol Sci 2023; 24:10985. [PMID: 37446164 DOI: 10.3390/ijms241310985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Collagen, the most abundant structural protein found in mammals, plays a vital role as a constituent of the extracellular matrix (ECM) that surrounds cells. Collagen fibrils are strengthened through the formation of covalent cross-links, which involve complex enzymatic and non-enzymatic reactions. Lysyl oxidase (LOX) is responsible for catalyzing the oxidative deamination of lysine and hydroxylysine residues, resulting in the production of aldehydes, allysine, and hydroxyallysine. These intermediates undergo spontaneous condensation reactions, leading to the formation of immature cross-links, which are the initial step in the development of mature covalent cross-links. Additionally, non-enzymatic glycation contributes to the formation of abnormal cross-linking in collagen fibrils. During glycation, specific lysine and arginine residues in collagen are modified by reducing sugars, leading to the creation of Advanced Glycation End-products (AGEs). These AGEs have been associated with changes in the mechanical properties of collagen fibers. Interestingly, various studies have reported that plant polyphenols possess amine oxidase-like activity and can act as potent inhibitors of protein glycation. This review article focuses on compiling the literature describing polyphenols with amine oxidase-like activity and antiglycation properties. Specifically, we explore the molecular mechanisms by which specific flavonoids impact or protect the normal collagen cross-linking process. Furthermore, we discuss how these dual activities can be harnessed to generate properly cross-linked collagen molecules, thereby promoting the stabilization of highly organized collagen fibrils.
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Affiliation(s)
- Carolina Añazco
- Laboratorio de Bioquímica Nutricional, Escuela de Nutrición y Dietética, Carrera de Nutrición y Dietética, Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastián, General Lagos #1190, Valdivia 5110773, Chile
| | - Janin Riedelsberger
- Centro de Bioinformática, Simulación y Modelado (CBSM), Facultad de Ingeniería, Universidad de Talca, 1 Poniente 1141, Talca 3462227, Chile
| | - Lorenzo Vega-Montoto
- Chemical and Radiation Measurement, Idaho National Laboratory (INL), 1705 N. Yellowstone Hwy, Idaho Falls, ID 83415, USA
| | - Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca 3480112, Chile
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10
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Sasaki M, Hara T, Wang JX, Zhou Y, Kennedy KV, Umeweni NN, Alston MA, Spergel ZC, Nakagawa R, Mcmillan EA, Whelan KA, Karakasheva TA, Hamilton KE, Ruffner MA, Muir AB. Lysyl oxidase regulates epithelial differentiation and barrier integrity in eosinophilic esophagitis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.27.534387. [PMID: 37034590 PMCID: PMC10081173 DOI: 10.1101/2023.03.27.534387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Background & Aims Epithelial disruption in eosinophilic esophagitis (EoE) encompasses both impaired differentiation and diminished barrier integrity. We have shown that lysyl oxidase (LOX), a collagen cross-linking enzyme, is upregulated in the esophageal epithelium in EoE. However, the functional roles of LOX in the esophageal epithelium remains unknown. Methods We investigated roles for LOX in the human esophageal epithelium using 3-dimensional organoid and air-liquid interface cultures stimulated with interleukin (IL)-13 to recapitulate the EoE inflammatory milieu, followed by single-cell RNA sequencing, quantitative reverse transcription-polymerase chain reaction, western blot, histology, and functional analyses of barrier integrity. Results Single-cell RNA sequencing analysis on patient-derived organoids revealed that LOX was induced by IL-13 in differentiated cells. LOX-overexpressing organoids demonstrated suppressed basal and upregulated differentiation markers. Additionally, LOX overexpression enhanced junctional protein genes and transepithelial electrical resistance. LOX overexpression restored the impaired differentiation and barrier function, including in the setting of IL-13 stimulation. Transcriptome analyses on LOX-overexpressing organoids identified enriched bone morphogenetic protein (BMP) signaling pathway compared to wild type organoids. Particularly, LOX overexpression increased BMP2 and decreased BMP antagonist follistatin. Finally, we found that BMP2 treatment restored the balance of basal and differentiated cells. Conclusions Our data support a model whereby LOX exhibits non-canonical roles as a signaling molecule important for epithelial homeostasis in the setting of inflammation via activation of BMP pathway in esophagus. The LOX/BMP axis may be integral in esophageal epithelial differentiation and a promising target for future therapies.
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Affiliation(s)
- Masaru Sasaki
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Takeo Hara
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Joshua X. Wang
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Yusen Zhou
- Department of Biomedical and Health Informatics, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Kanak V. Kennedy
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Nicole N. Umeweni
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Maiya A. Alston
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Zachary C. Spergel
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Ritsu Nakagawa
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Emily A. Mcmillan
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Kelly A. Whelan
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania, USA
- Department of Cancer & Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania, USA
| | - Tatiana A. Karakasheva
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Kathryn E. Hamilton
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Melanie A. Ruffner
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Division of Allergy and Immunology, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Amanda B. Muir
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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11
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Vaez M, Asgari M, Hirvonen L, Bakir G, Khattignavong E, Ezzo M, Aguayo S, Schuh CM, Gough K, Bozec L. Modulation of the biophysical and biochemical properties of collagen by glycation for tissue engineering applications. Acta Biomater 2023; 155:182-198. [PMID: 36435437 DOI: 10.1016/j.actbio.2022.11.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022]
Abstract
The structural and functional properties of collagen are modulated by the presence of intramolecular and intermolecular crosslinks. Advanced Glycation End-products (AGEs) can produce intermolecular crosslinks by bonding the free amino groups of neighbouring proteins. In this research, the following hypothesis is explored: The accumulation of AGEs in collagen decreases its proteolytic degradation rates while increasing its stiffness. Fluorescence Lifetime Imaging (FLIM) and Fourier-transform infrared spectroscopy (FTIR) detect biochemical changes in collagen scaffolds during the glycation process. The accumulation of AGEs increases exponentially in the collagen scaffolds as a function of Methylglyoxal (MGO) concentration by performing autofluorescence measurement and competitive ELISA. Glycated scaffolds absorb water at a much higher rate confirming the direct affinity between AGEs and interstitial water within collagen fibrils. In addition, the topology of collagen fibrils as observed by Atomic Force Microscopy (AFM) is a lot more defined following glycation. The elastic modulus of collagen fibrils decreases as a function of glycation, whereas the elastic modulus of collagen scaffolds increases. Finally, the enzymatic degradation of collagen by bacterial collagenase shows a sigmoidal pattern with a much slower degradation rate in the glycated scaffolds. This study identifies unique variations in the properties of collagen following the accumulation of AGEs. STATEMENT OF SIGNIFICANCE: In humans, Advanced Glycation End-products (AGEs) are naturally produced as a result of aging process. There is an evident lack of knowledge in the basic science literature explaining the biomechanical impact of AGE-mediated crosslinks on the functional and structural properties of collagen at both the nanoscale (single fibrils) and mesoscale (bundles of fibrils). This research, demonstrates how it is possible to harness this natural phenomenon in vitro to enhance the properties of engineered collagen fibrils and scaffolds. This study identifies unique variations in the properties of collagen at nanoscale and mesoscale following accumulation of AGEs. In their approach, they investigate the unique properties conferred to collagen, namely enhanced water sorption, differential elastic modulus, and finally sigmoidal proteolytic degradation behavior.
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Affiliation(s)
- Mina Vaez
- Faculty of Dentistry, University of Toronto, Toronto, Canada.
| | - Meisam Asgari
- Department of Mechanical Engineering, McGill University, Montreal, Canada
| | - Liisa Hirvonen
- Centre for Microscopy, Characterisation & Analysis, University of Western Australia, Perth, Australia
| | - Gorkem Bakir
- Department of Chemistry, University of Manitoba, Winnipeg, Canada
| | | | - Maya Ezzo
- Faculty of Dentistry, University of Toronto, Toronto, Canada
| | - Sebastian Aguayo
- Dentistry School, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile; Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Christina M Schuh
- Centro de Medicina Regenerativa, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Kathleen Gough
- Department of Chemistry, University of Manitoba, Winnipeg, Canada
| | - Laurent Bozec
- Faculty of Dentistry, University of Toronto, Toronto, Canada
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12
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EMILIN1 deficiency causes arterial tortuosity with osteopenia and connects impaired elastogenesis with defective collagen fibrillogenesis. Am J Hum Genet 2022; 109:2230-2252. [PMID: 36351433 PMCID: PMC9748297 DOI: 10.1016/j.ajhg.2022.10.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 10/20/2022] [Indexed: 11/09/2022] Open
Abstract
EMILIN1 (elastin-microfibril-interface-located-protein-1) is a structural component of the elastic fiber network and localizes to the interface between the fibrillin microfibril scaffold and the elastin core. How EMILIN1 contributes to connective tissue integrity is not fully understood. Here, we report bi-allelic EMILIN1 loss-of-function variants causative for an entity combining cutis laxa, arterial tortuosity, aneurysm formation, and bone fragility, resembling autosomal-recessive cutis laxa type 1B, due to EFEMP2 (FBLN4) deficiency. In both humans and mice, absence of EMILIN1 impairs EFEMP2 extracellular matrix deposition and LOX activity resulting in impaired elastogenesis, reduced collagen crosslinking, and aberrant growth factor signaling. Collagen fiber ultrastructure and histopathology in EMILIN1- or EFEMP2-deficient skin and aorta corroborate these findings and murine Emilin1-/- femora show abnormal trabecular bone formation and strength. Altogether, EMILIN1 connects elastic fiber network with collagen fibril formation, relevant for both bone and vascular tissue homeostasis.
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13
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Romanowicz GE, Terhune AH, Bielajew BJ, Sexton B, Lynch M, Mandair GS, McNerny EM, Kohn DH. Collagen cross-link profiles and mineral are different between the mandible and femur with site specific response to perturbed collagen. Bone Rep 2022; 17:101629. [PMID: 36325166 PMCID: PMC9618783 DOI: 10.1016/j.bonr.2022.101629] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/15/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022] Open
Abstract
Compromises to collagen and mineral lead to a decrease in whole bone quantity and quality in a variety of systemic diseases, yet, clinically, disease manifestations differ between craniofacial and long bones. Collagen alterations can occur through post-translational modification via lysyl oxidase (LOX), which catalyzes enzymatic collagen cross-link formation, as well as through non-enzymatic advanced glycation end products (AGEs) such as pentosidine and carboxymethyl-lysine (CML). Characterization of the cross-links and AGEs, and comparison of the mineral and collagen modifications in craniofacial and long bones represent a critical gap in knowledge. However, alterations to either the mineral or collagen in bone may contribute to disease progression and, subsequently, the anatomical site dependence of a variety of diseases. Therefore, we hypothesized that collagen cross-links and AGEs differ between craniofacial and long bones and that altered collagen cross-linking reduces mineral quality in an anatomic location dependent. To study the effects of cross-link inhibition on mineralization between anatomical sites, beta-aminoproprionitrile (BAPN) was administered to rapidly growing, 5-8 week-old male mice. BAPN is a dose-dependent inhibitor of LOX that pharmacologically alters enzymatic cross-link formation. Long bones (femora) and craniofacial bones (mandibles) were compared for mineral quantity and quality, collagen cross-link and AGE profiles, and tissue level mechanics, as well as the response to altered cross-links via BAPN. A highly sensitive liquid chromatography/mass spectrometry (LC-MS) method was developed which allowed for quantification of site-dependent accumulation of the advanced glycation end-product, carboxymethyl-lysine (CML). CML was ∼8.3× higher in the mandible than the femur. The mandible had significantly higher collagen maturation, mineral crystallinity, and Young's modulus, but lower carbonation, than the femur. BAPN also had anatomic specific effects, leading to significant decreases in mature cross-links in the mandible, and an increase in mineral carbonation in the femur. This differential response of both the mineral and collagen composition to BAPN between the mandible and femur highlights the need to further understand how inherent compositional differences in collagen and mineral contribute to anatomic-site specific manifestations of disease in both craniofacial and long bones.
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Key Words
- AGE, advanced glycation end product
- Advanced glycation end products
- BAPN, beta-aminoproprionitrile
- Biomechanical properties
- Bone quality
- CML, carboxymethyl-lysine
- Collagen cross-link
- DHLNL, dihydroxylysinonorleucine
- DPD, lysylpyridinoline
- Femur
- HLKNL, hydroxylysinoketonorleucine
- HLNL, hydroxylysinonorleucine
- HPLC-FLD, high-performance liquid chromatography with fluorescence detection
- LC-MS, liquid chromatography/mass spectrometry
- LH, lysyl hydroxylase
- LKNL, lysinoketonorleucine
- LOX, lysyl oxidase
- Mandible
- Mineralization
- PEN, pentosidine
- PMMA, poly-methyl-methacrylate
- PYD, hydroxylysylpyridinoline
- Pyr, pyrroles
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Affiliation(s)
- Genevieve E. Romanowicz
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Aidan H. Terhune
- Department of Mechanical Engineering, College of Engineering, University of Michigan, MI, USA
| | - Benjamin J. Bielajew
- Department of Biomedical Engineering, College of Engineering, University of Michigan, MI, USA
| | - Benjamin Sexton
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Michelle Lynch
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Gurjit S. Mandair
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Erin M.B. McNerny
- Department of Biomedical Engineering, College of Engineering, University of Michigan, MI, USA
| | - David H. Kohn
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
- Department of Biomedical Engineering, College of Engineering, University of Michigan, MI, USA
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14
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Lysyl hydroxylase 2 mediated collagen post-translational modifications and functional outcomes. Sci Rep 2022; 12:14256. [PMID: 35995931 PMCID: PMC9395344 DOI: 10.1038/s41598-022-18165-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 08/05/2022] [Indexed: 11/15/2022] Open
Abstract
Lysyl hydroxylase 2 (LH2) is a member of LH family that catalyzes the hydroxylation of lysine (Lys) residues on collagen, and this particular isozyme has been implicated in various diseases. While its function as a telopeptidyl LH is generally accepted, several fundamental questions remain unanswered: 1. Does LH2 catalyze the hydroxylation of all telopeptidyl Lys residues of collagen? 2. Is LH2 involved in the helical Lys hydroxylation? 3. What are the functional consequences when LH2 is completely absent? To answer these questions, we generated LH2-null MC3T3 cells (LH2KO), and extensively characterized the type I collagen phenotypes in comparison with controls. Cross-link analysis demonstrated that the hydroxylysine-aldehyde (Hylald)-derived cross-links were completely absent from LH2KO collagen with concomitant increases in the Lysald-derived cross-links. Mass spectrometric analysis revealed that, in LH2KO type I collagen, telopeptidyl Lys hydroxylation was completely abolished at all sites while helical Lys hydroxylation was slightly diminished in a site-specific manner. Moreover, di-glycosylated Hyl was diminished at the expense of mono-glycosylated Hyl. LH2KO collagen was highly soluble and digestible, fibril diameters were diminished, and mineralization impaired when compared to controls. Together, these data underscore the critical role of LH2-catalyzed collagen modifications in collagen stability, organization and mineralization in MC3T3 cells.
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15
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Loxl2 and Loxl3 Paralogues Play Redundant Roles during Mouse Development. Int J Mol Sci 2022; 23:ijms23105730. [PMID: 35628534 PMCID: PMC9144032 DOI: 10.3390/ijms23105730] [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: 04/28/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 11/17/2022] Open
Abstract
Lysyl oxidase-like 2 (LOXL2) and 3 (LOXL3) are members of the lysyl oxidase family of enzymes involved in the maturation of the extracellular matrix. Both enzymes share a highly conserved catalytic domain, but it is unclear whether they perform redundant functions in vivo. In this study, we show that mice lacking Loxl3 exhibit perinatal lethality and abnormal skeletal development. Additionally, analysis of the genotype of embryos carrying double knockout of Loxl2 and Loxl3 genes suggests that both enzymes have overlapping functions during mouse development. Furthermore, we also show that ubiquitous expression of Loxl2 suppresses the lethality associated with Loxl3 knockout mice.
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16
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Trackman PC, Peymanfar Y, Roy S. Functions and Mechanisms of Pro-Lysyl Oxidase Processing in Cancers and Eye Pathologies with a Focus on Diabetic Retinopathy. Int J Mol Sci 2022; 23:5088. [PMID: 35563478 PMCID: PMC9105217 DOI: 10.3390/ijms23095088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 02/01/2023] Open
Abstract
Lysyl oxidases are multifunctional proteins derived from five lysyl oxidase paralogues (LOX) and lysyl oxidase-like 1 through lysyl oxidase-like 4 (LOXL1-LOXL4). All participate in the biosynthesis of and maturation of connective tissues by catalyzing the oxidative deamination of lysine residues in collagens and elastin, which ultimately results in the development of cross-links required to function. In addition, the five LOX genes have been linked to fibrosis and cancer when overexpressed, while tumor suppression by the propeptide derived from pro-LOX has been documented. Similarly, in diabetic retinopathy, LOX overexpression, activity, and elevated LOX propeptide have been documented. The proteolytic processing of pro-forms of the respective proteins is beginning to draw attention as the resultant peptides appear to exhibit their own biological activities. In this review we focus on the LOX paralogue, and what is known regarding its extracellular biosynthetic processing and the still incomplete knowledge regarding the activities and mechanisms of the released lysyl oxidase propeptide (LOX-PP). In addition, a summary of the roles of both LOX and LOX-PP in diabetic retinopathy, and brief mentions of the roles for LOX and closely related LOXL1 in glaucoma, and keratoconus, respectively, are included.
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Affiliation(s)
- Philip C. Trackman
- The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA;
- Department of Translational Dental Medicine, Boston University Henry M Goldman School of Dental Medicine, 700 Albany Street, Boston, MA 02118, USA
| | - Yaser Peymanfar
- The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA;
| | - Sayon Roy
- Department of Medicine, Boston University School of Medicine, 650 Albany Street, Boston, MA 02118, USA
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17
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Abstract
Bone is an outstanding, well-designed composite. It is constituted by a multi-level structure wherein its properties and behavior are dependent on its composition and structural organization at different length scales. The combination of unique mechanical properties with adaptive and self-healing abilities makes bone an innovative model for the future design of synthetic biomimetic composites with improved performance in bone repair and regeneration. However, the relation between structure and properties in bone is very complex. In this review article, we intend to describe the hierarchical organization of bone on progressively greater scales and present the basic concepts that are fundamental to understanding the arrangement-based mechanical properties at each length scale and their influence on bone’s overall structural behavior. The need for a better understanding of bone’s intricate composite structure is also highlighted.
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18
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The Regulation of Collagen Processing by miRNAs in Disease and Possible Implications for Bone Turnover. Int J Mol Sci 2021; 23:ijms23010091. [PMID: 35008515 PMCID: PMC8745169 DOI: 10.3390/ijms23010091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022] Open
Abstract
This article describes several recent examples of miRNA governing the regulation of the gene expression involved in bone matrix construction. We present the impact of miRNA on the subsequent steps in the formation of collagen type I. Collagen type I is a main factor of mechanical bone stiffness because it constitutes 90–95% of the organic components of the bone. Therefore, the precise epigenetic regulation of collagen formation may have a significant influence on bone structure. We also describe miRNA involvement in the expression of genes, the protein products of which participate in collagen maturation in various tissues and cancer cells. We show how non-collagenous proteins in the extracellular matrix are epigenetically regulated by miRNA in bone and other tissues. We also delineate collagen mineralisation in bones by factors that depend on miRNA molecules. This review reveals the tissue variability of miRNA regulation at different levels of collagen maturation and mineralisation. The functionality of collagen mRNA regulation by miRNA, as proven in other tissues, has not yet been shown in osteoblasts. Several collagen-regulating miRNAs are co-expressed with collagen in bone. We suggest that collagen mRNA regulation by miRNA could also be potentially important in bone metabolism.
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Staab-Weijnitz CA. Fighting the Fiber: Targeting Collagen in Lung Fibrosis. Am J Respir Cell Mol Biol 2021; 66:363-381. [PMID: 34861139 DOI: 10.1165/rcmb.2021-0342tr] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Organ fibrosis is characterized by epithelial injury and aberrant tissue repair, where activated effector cells, mostly fibroblasts and myofibroblasts, excessively deposit collagen into the extracellular matrix. Fibrosis frequently results in organ failure and has been estimated to contribute to at least one third of all global deaths. Also lung fibrosis, in particular idiopathic pulmonary fibrosis (IPF), is a fatal disease with rising incidence worldwide. As current treatment options targeting fibrogenesis are insufficient, there is an urgent need for novel therapeutic strategies. During the last decade, several studies have proposed to target intra- and extracellular components of the collagen biosynthesis, maturation, and degradation machinery. This includes intra- and extracellular targets directly acting on collagen gene products, but also such that anabolize essential building blocks of collagen, in particular glycine and proline biosynthetic enzymes. Collagen, however, is a ubiquitous molecule in the body and fulfils essential functions as a macromolecular scaffold, growth factor reservoir, and receptor binding site in virtually every tissue. This review summarizes recent advances and future directions in this field. Evidence for the proposed therapeutic targets and where they currently stand in terms of clinical drug development for treatment of fibrotic disease is provided. The drug targets are furthermore discussed in light of (1) specificity for collagen biosynthesis, maturation and degradation, and (2) specificity for disease-associated collagen. As therapeutic success and safety of these drugs may largely depend on targeted delivery, different strategies for specific delivery to the main effector cells and to the extracellular matrix are discussed.
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Affiliation(s)
- Claudia A Staab-Weijnitz
- Helmholtz Zentrum Munchen Deutsches Forschungszentrum fur Gesundheit und Umwelt, 9150, Comprehensive Pneumology Center/Institute of Lung Biology and Disease, Member of the German Center of Lung Research (DZL), München, Germany;
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20
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Park SY, Choi KH, Jun JE, Chung HY. Effects of Advanced Glycation End Products on Differentiation and Function of Osteoblasts and Osteoclasts. J Korean Med Sci 2021; 36:e239. [PMID: 34581519 PMCID: PMC8476938 DOI: 10.3346/jkms.2021.36.e239] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/03/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Risk of fragility fractures increases in patients with diabetes mellitus, independent of bone mineral density. In the present study, the effects of advanced glycation end products (AGEs) on differentiation and function of osteoblasts and osteoclasts were investigated. METHODS AGEs and 25 mM glucose were administered to marrow-derived macrophages and MCT3T3-E1 cells. The effects of AGEs on osteoclast differentiation was investigated using tartrate-resistant acid phosphatase (TRAP) assay. The effects of AGEs on osteoblast differentiation was investigated using alkaline phosphatase (ALP) activity and bone nodule formation assays. Expression of osteoclast-specific and osteoblast-specific genes and effects on cell signaling pathways associated with cell differentiation were analyzed using reverse transcription polymerase chain reaction and western blotting. RESULTS AGEs significantly decreased TRAP-positive multinucleated cell formation in receptor activator of nuclear factor-κB ligand-induced marrow-derived macrophages in a dose-dependent manner. AGEs suppressed the expression of osteoclast-specific genes, JNK, p38, AKT, intercellular adhesion molecule 1, and lymphocyte function-associated antigen 1 in marrow-derived macrophages. AGEs decreased ALP activity and showed a tendency to decrease bone nodule formation in MC3T3-E1 cells. AGEs suppressed the expression of osteoblast-specific genes, lysyl hydroxylase and lysyl oxidase in MC3T3-E1 cells. CONCLUSION AGEs suppressed differentiation and function of osteoclasts and osteoblasts, and collagen cross-linking activity. It suggests that AGE may induce bone fragility through low bone turnover and deterioration of bone quality.
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Affiliation(s)
- So Young Park
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital, Seoul, Korea
| | | | - Ji Eun Jun
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Ho Yeon Chung
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea.
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21
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Zhu D, Zhou W, Wang Z, Wang Y, Liu M, Zhang G, Guo X, Kang X. Periostin: An Emerging Molecule With a Potential Role in Spinal Degenerative Diseases. Front Med (Lausanne) 2021; 8:694800. [PMID: 34513869 PMCID: PMC8430223 DOI: 10.3389/fmed.2021.694800] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/23/2021] [Indexed: 12/22/2022] Open
Abstract
Periostin, an extracellular matrix protein, is widely expressed in a variety of tissues and cells. It has many biological functions and is related to many diseases: for example, it promotes cell proliferation and differentiation in osteoblasts, which are closely related to osteoporosis, and mediates cell senescence and apoptosis in chondrocytes, which are involved in osteoarthritis. Furthermore, it also plays an important role in mediating inflammation and reconstruction during bronchial asthma, as well as in promoting bone development, reconstruction, repair, and strength. Therefore, periostin has been explored as a potential biomarker for various diseases. Recently, periostin has also been found to be expressed in intervertebral disc cells as a component of the intervertebral extracellular matrix, and to play a crucial role in the maintenance and degeneration of intervertebral discs. This article reviews the biological role of periostin in bone marrow-derived mesenchymal stem cells, osteoblasts, osteoclasts, chondrocytes, and annulus fibrosus and nucleus pulposus cells, which are closely related to spinal degenerative diseases. The study of its pathophysiological effects is of great significance for the diagnosis and treatment of spinal degeneration, although additional studies are needed.
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Affiliation(s)
- Daxue Zhu
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
| | - Wupin Zhou
- The 947th Army Hospital of the Chinese PLA, Kashgar, China
| | - Zhen Wang
- People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, China
| | - Yidian Wang
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
| | - Mingqiang Liu
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
| | - Guangzhi Zhang
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
| | - Xudong Guo
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
| | - Xuewen Kang
- Lanzhou University Second Hospital, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou, China
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22
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Fibroblast MMP14-Dependent Collagen Processing Is Necessary for Melanoma Growth. Cancers (Basel) 2021; 13:cancers13081984. [PMID: 33924099 PMCID: PMC8074311 DOI: 10.3390/cancers13081984] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/12/2021] [Accepted: 04/16/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Matrix metalloproteinases (MMPs) were considered as targets for the treatment of various cancers. However, initial trials using broad inhibitors to MMPs have failed, partly attributed to the contrasting functions of these proteases acting as tumor promoters and suppressors, among other reasons. Our data now suggest that specific inhibition of MMP14 might represent a more specific approach, as loss of this protease in fibroblasts resulted in reduced growth of grafted melanomas. Here, we found that deletion of MMP14 in fibroblasts generates a matrix-rich environment that reduces tumor vascularization and melanoma cell proliferation. In in vitro and ex vivo assays, we showed that the latter is mediated by stiffening of the tissue due to collagen accumulation. Additionally, in vivo, we show that independently of MMP14 deletion, a collagen-rich stiff matrix inhibits the growth of melanomas. Abstract Skin homeostasis results from balanced synthesis and degradation of the extracellular matrix in the dermis. Deletion of the proteolytic enzyme MMP14 in dermal fibroblasts (MMP14Sf−/−) leads to a fibrotic skin phenotype with the accumulation of collagen type I, resulting from impaired proteolysis. Here, we show that melanoma growth in these mouse fibrotic dermal samples was decreased, paralleled by reduced tumor cell proliferation and vessel density. Using atomic force microscopy, we found increased peritumoral matrix stiffness of early but not late melanomas in the absence of fibroblast-derived MMP14. However, total collagen levels were increased at late melanoma stages in MMP14Sf−/− mice compared to controls. In ex vivo invasion assays, melanoma cells formed smaller tumor islands in MMP14Sf−/− skin, indicating that MMP14-dependent matrix accumulation regulates tumor growth. In line with these data, in vitro melanoma cell growth was inhibited in high collagen 3D spheroids or stiff substrates. Most importantly, in vivo induction of fibrosis using bleomycin reduced melanoma tumor growth. In summary, we show that MMP14 expression in stromal fibroblasts regulates melanoma tumor progression by modifying the peritumoral matrix and point to collagen accumulation as a negative regulator of melanoma.
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23
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Ishikawa Y, Taga Y, Zientek K, Mizuno N, Salo AM, Semenova O, Tufa SF, Keene DR, Holden P, Mizuno K, Gould DB, Myllyharju J, Bächinger HP. Type I and type V procollagen triple helix uses different subsets of the molecular ensemble for lysine posttranslational modifications in the rER. J Biol Chem 2021; 296:100453. [PMID: 33631195 PMCID: PMC7988497 DOI: 10.1016/j.jbc.2021.100453] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/12/2021] [Accepted: 02/19/2021] [Indexed: 11/25/2022] Open
Abstract
Collagen is the most abundant protein in humans. It has a characteristic triple-helix structure and is heavily posttranslationally modified. The complex biosynthesis of collagen involves processing by many enzymes and chaperones in the rough endoplasmic reticulum. Lysyl hydroxylase 1 (LH1) is required to hydroxylate lysine for cross-linking and carbohydrate attachment within collagen triple helical sequences. Additionally, a recent study of prolyl 3-hydroxylase 3 (P3H3) demonstrated that this enzyme may be critical for LH1 activity; however, the details surrounding its involvement remain unclear. If P3H3 is an LH1 chaperone that is critical for LH1 activity, P3H3 and LH1 null mice should display a similar deficiency in lysyl hydroxylation. To test this hypothesis, we compared the amount and location of hydroxylysine in the triple helical domains of type V and I collagen from P3H3 null, LH1 null, and wild-type mice. The amount of hydroxylysine in type V collagen was reduced in P3H3 null mice, but surprisingly type V collagen from LH1 null mice contained as much hydroxylysine as type V collagen from wild-type mice. In type I collagen, our results indicate that LH1 plays a global enzymatic role in lysyl hydroxylation. P3H3 is also involved in lysyl hydroxylation, particularly at cross-link formation sites, but is not required for all lysyl hydroxylation sites. In summary, our study suggests that LH1 and P3H3 likely have two distinct mechanisms to recognize different collagen types and to distinguish cross-link formation sites from other sites in type I collagen.
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Affiliation(s)
- Yoshihiro Ishikawa
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, Portland, Oregon, USA; Research Department, Shriners Hospital for Children, Portland, Oregon, USA; Department of Ophthalmology, University of California San Francisco, School of Medicine, San Francisco, California, USA.
| | - Yuki Taga
- Nippi Research Institute of Biomatrix, Ibaraki, Japan
| | - Keith Zientek
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | - Nobuyo Mizuno
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | - Antti M Salo
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Olesya Semenova
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | - Sara F Tufa
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | - Douglas R Keene
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | - Paul Holden
- Research Department, Shriners Hospital for Children, Portland, Oregon, USA
| | | | - Douglas B Gould
- Department of Ophthalmology, University of California San Francisco, School of Medicine, San Francisco, California, USA; Department of Anatomy, University of California, San Francisco, School of Medicine, San Francisco, California USA
| | - Johanna Myllyharju
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Hans Peter Bächinger
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, Portland, Oregon, USA
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24
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Vitamin C-Sources, Physiological Role, Kinetics, Deficiency, Use, Toxicity, and Determination. Nutrients 2021; 13:nu13020615. [PMID: 33668681 PMCID: PMC7918462 DOI: 10.3390/nu13020615] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023] Open
Abstract
Vitamin C (L-ascorbic acid) has been known as an antioxidant for most people. However, its physiological role is much larger and encompasses very different processes ranging from facilitation of iron absorption through involvement in hormones and carnitine synthesis for important roles in epigenetic processes. Contrarily, high doses act as a pro-oxidant than an anti-oxidant. This may also be the reason why plasma levels are meticulously regulated on the level of absorption and excretion in the kidney. Interestingly, most cells contain vitamin C in millimolar concentrations, which is much higher than its plasma concentrations, and compared to other vitamins. The role of vitamin C is well demonstrated by miscellaneous symptoms of its absence—scurvy. The only clinically well-documented indication for vitamin C is scurvy. The effects of vitamin C administration on cancer, cardiovascular diseases, and infections are rather minor or even debatable in the general population. Vitamin C is relatively safe, but caution should be given to the administration of high doses, which can cause overt side effects in some susceptible patients (e.g., oxalate renal stones). Lastly, analytical methods for its determination with advantages and pitfalls are also discussed in this review.
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25
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Vallet SD, Berthollier C, Salza R, Muller L, Ricard-Blum S. The Interactome of Cancer-Related Lysyl Oxidase and Lysyl Oxidase-Like Proteins. Cancers (Basel) 2020; 13:E71. [PMID: 33383846 PMCID: PMC7794802 DOI: 10.3390/cancers13010071] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 12/22/2020] [Indexed: 12/16/2022] Open
Abstract
The members of the lysyl oxidase (LOX) family are amine oxidases, which initiate the covalent cross-linking of the extracellular matrix (ECM), regulate ECM stiffness, and contribute to cancer progression. The aim of this study was to build the first draft of the interactome of the five members of the LOX family in order to determine its molecular functions, the biological and signaling pathways mediating these functions, the biological processes it is involved in, and if and how it is rewired in cancer. In vitro binding assays, based on surface plasmon resonance and bio-layer interferometry, combined with queries of interaction databases and interaction datasets, were used to retrieve interaction data. The interactome was then analyzed using computational tools. We identified 31 new interactions and 14 new partners of LOXL2, including the α5β1 integrin, and built an interactome comprising 320 proteins, 5 glycosaminoglycans, and 399 interactions. This network participates in ECM organization, degradation and cross-linking, cell-ECM interactions mediated by non-integrin and integrin receptors, protein folding and chaperone activity, organ and blood vessel development, cellular response to stress, and signal transduction. We showed that this network is rewired in colorectal carcinoma, leading to a switch from ECM organization to protein folding and chaperone activity.
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Affiliation(s)
- Sylvain D. Vallet
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne CEDEX, France; (S.D.V.); (C.B.); (R.S.)
| | - Coline Berthollier
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne CEDEX, France; (S.D.V.); (C.B.); (R.S.)
| | - Romain Salza
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne CEDEX, France; (S.D.V.); (C.B.); (R.S.)
| | - Laurent Muller
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, 75231 Paris CEDEX 05, France;
| | - Sylvie Ricard-Blum
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne CEDEX, France; (S.D.V.); (C.B.); (R.S.)
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26
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Nguyen XX, Nishimoto T, Takihara T, Mlakar L, Bradshaw AD, Feghali-Bostwick C. Lysyl oxidase directly contributes to extracellular matrix production and fibrosis in systemic sclerosis. Am J Physiol Lung Cell Mol Physiol 2020; 320:L29-L40. [PMID: 33026236 DOI: 10.1152/ajplung.00173.2020] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Pulmonary fibrosis is one of the important causes of morbidity and mortality in fibroproliferative disorders such as systemic sclerosis (SSc) and idiopathic pulmonary fibrosis (IPF). Lysyl oxidase (LOX) is a copper-dependent amine oxidase whose primary function is the covalent crosslinking of collagens in the extracellular matrix (ECM). We investigated the role of LOX in the pathophysiology of SSc. LOX mRNA and protein levels were increased in lung fibroblasts of SSc patients compared with healthy controls and IPF patients. In vivo, bleomycin induced LOX mRNA expression in lung tissues, and LOX activity increased in the circulation of mice with pulmonary fibrosis, suggesting that circulating LOX parallels levels in lung tissues. Circulating levels of LOX were reduced upon amelioration of fibrosis with an antifibrotic peptide. LOX induced ECM production at the transcriptional level in lung fibroblasts, human lungs, and human skin maintained in organ culture. In vivo, LOX synergistically exacerbated fibrosis in bleomycin-treated mice. Further, LOX increased the production of interleukin (IL)-6, and the increase was mediated by LOX-induced c-Fos expression, the nuclear localization of c-Fos, and its engagement with the IL-6 promoter region. Our findings demonstrate that LOX expression and activity correlate with fibrosis in vitro, ex vivo, and in vivo. LOX induced ECM production via upregulation of IL-6 and nuclear localization of c-Fos. Thus, LOX has a direct pathogenic role in SSc-associated fibrosis that is independent of its crosslinking function. Our findings also suggest that measuring circulating LOX levels and activity can be used for monitoring response to antifibrotic therapy.
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Affiliation(s)
- Xinh-Xinh Nguyen
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Tetsuya Nishimoto
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Takahisa Takihara
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Kanagawa, Japan
| | - Logan Mlakar
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Amy D Bradshaw
- Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - Carol Feghali-Bostwick
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
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27
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Bourgot I, Primac I, Louis T, Noël A, Maquoi E. Reciprocal Interplay Between Fibrillar Collagens and Collagen-Binding Integrins: Implications in Cancer Progression and Metastasis. Front Oncol 2020; 10:1488. [PMID: 33014790 PMCID: PMC7461916 DOI: 10.3389/fonc.2020.01488] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 07/13/2020] [Indexed: 12/14/2022] Open
Abstract
Cancers are complex ecosystems composed of malignant cells embedded in an intricate microenvironment made of different non-transformed cell types and extracellular matrix (ECM) components. The tumor microenvironment is governed by constantly evolving cell-cell and cell-ECM interactions, which are now recognized as key actors in the genesis, progression and treatment of cancer lesions. The ECM is composed of a multitude of fibrous proteins, matricellular-associated proteins, and proteoglycans. This complex structure plays critical roles in cancer progression: it functions as the scaffold for tissues organization and provides biochemical and biomechanical signals that regulate key cancer hallmarks including cell growth, survival, migration, differentiation, angiogenesis, and immune response. Cells sense the biochemical and mechanical properties of the ECM through specialized transmembrane receptors that include integrins, discoidin domain receptors, and syndecans. Advanced stages of several carcinomas are characterized by a desmoplastic reaction characterized by an extensive deposition of fibrillar collagens in the microenvironment. This compact network of fibrillar collagens promotes cancer progression and metastasis, and is associated with low survival rates for cancer patients. In this review, we highlight how fibrillar collagens and their corresponding integrin receptors are modulated during cancer progression. We describe how the deposition and alignment of collagen fibers influence the tumor microenvironment and how fibrillar collagen-binding integrins expressed by cancer and stromal cells critically contribute in cancer hallmarks.
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Affiliation(s)
| | | | | | | | - Erik Maquoi
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
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28
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Erasmus M, Samodien E, Lecour S, Cour M, Lorenzo O, Dludla P, Pheiffer C, Johnson R. Linking LOXL2 to Cardiac Interstitial Fibrosis. Int J Mol Sci 2020; 21:E5913. [PMID: 32824630 PMCID: PMC7460598 DOI: 10.3390/ijms21165913] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/23/2020] [Accepted: 07/29/2020] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs) are the leading causes of death worldwide. CVD pathophysiology is often characterized by increased stiffening of the heart muscle due to fibrosis, thus resulting in diminished cardiac function. Fibrosis can be caused by increased oxidative stress and inflammation, which is strongly linked to lifestyle and environmental factors such as diet, smoking, hyperglycemia, and hypertension. These factors can affect gene expression through epigenetic modifications. Lysyl oxidase like 2 (LOXL2) is responsible for collagen and elastin cross-linking in the heart, and its dysregulation has been pathologically associated with increased fibrosis. Additionally, studies have shown that, LOXL2 expression can be regulated by DNA methylation and histone modification. However, there is a paucity of data on LOXL2 regulation and its role in CVD. As such, this review aims to gain insight into the mechanisms by which LOXL2 is regulated in physiological conditions, as well as determine the downstream effectors responsible for CVD development.
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Affiliation(s)
- Melisse Erasmus
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town 7501, South Africa; (M.E.); (E.S.); (P.D.); (C.P.)
- Department of Medical Physiology, Stellenbosch University, Cape Town 7505, South Africa
| | - Ebrahim Samodien
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town 7501, South Africa; (M.E.); (E.S.); (P.D.); (C.P.)
| | - Sandrine Lecour
- Hatter Institute for Cardiovascular Research in Africa (HICRA), University of Cape Town, Cape Town 7925, South Africa;
| | - Martin Cour
- Hospices Civils de Lyon, Hôpital Edouard Herriot, Service de Médecine Intensive-Réanimation, Place d’Arsonval, 69437 Lyon, France;
| | - Oscar Lorenzo
- Institute de Investigación Sanitaria-FJD, Faculty of Medicine, University Autónoma de Madrid, 28049 Madrid, Spain;
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM) Network, 28040 Madrid, Spain
| | - Phiwayinkosi Dludla
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town 7501, South Africa; (M.E.); (E.S.); (P.D.); (C.P.)
| | - Carmen Pheiffer
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town 7501, South Africa; (M.E.); (E.S.); (P.D.); (C.P.)
- Department of Medical Physiology, Stellenbosch University, Cape Town 7505, South Africa
| | - Rabia Johnson
- Biomedical Research and Innovation Platform, South African Medical Research Council, Cape Town 7501, South Africa; (M.E.); (E.S.); (P.D.); (C.P.)
- Department of Medical Physiology, Stellenbosch University, Cape Town 7505, South Africa
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29
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Zhang H, Zhang Y, Terajima M, Romanowicz G, Liu Y, Omi M, Bigelow E, Joiner DM, Waldorff EI, Zhu P, Raghavan M, Lynch M, Kamiya N, Zhang R, Jepsen KJ, Goldstein S, Morris MD, Yamauchi M, Kohn DH, Mishina Y. Loss of BMP signaling mediated by BMPR1A in osteoblasts leads to differential bone phenotypes in mice depending on anatomical location of the bones. Bone 2020; 137:115402. [PMID: 32360900 PMCID: PMC7354232 DOI: 10.1016/j.bone.2020.115402] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/14/2020] [Accepted: 04/28/2020] [Indexed: 12/18/2022]
Abstract
Bone morphogenetic protein (BMP) signaling in osteoblasts plays critical roles in skeletal development and bone homeostasis. Our previous studies showed loss of function of BMPR1A, one of the type 1 receptors for BMPs, in osteoblasts results in increased trabecular bone mass in long bones due to an imbalance between bone formation and bone resorption. Decreased bone resorption was associated with an increased mature-to-immature collagen cross-link ratio and mineral-matrix ratios in the trabecular compartments, and increased tissue-level biomechanical properties. Here, we investigated the bone mass, bone composition and biomechanical properties of ribs and spines in the same genetically altered mouse line to compare outcomes by loss of BMPR1A functions in bones from different anatomic sites and developmental origins. Bone mass was significantly increased in both cortical and trabecular compartments of ribs with minimal to modest changes in compositions. While tissue-levels of biomechanical properties were not changed between control and mutant animals, whole bone levels of biomechanical properties were significantly increased in association with increased bone mass in the mutant ribs. For spines, mutant bones showed increased bone mass in both cortical and trabecular compartments with an increase of mineral content. These results emphasize the differential role of BMP signaling in osteoblasts in bones depending on their anatomical locations, functional loading requirements and developmental origin.
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Affiliation(s)
- Honghao Zhang
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Yanshuai Zhang
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Masahiko Terajima
- School of Dentistry, University of North Carolina at Chapel Hill, North Carolina, NC, USA
| | - Genevieve Romanowicz
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Yangjia Liu
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA; School of Life Sciences, Tsinghua University, Beijing, China
| | - Maiko Omi
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Erin Bigelow
- Department of Orthopaedic Surgery, Michigan Medicine, University of Michigan, MI, USA
| | - Danese M Joiner
- Department of Orthopaedic Surgery, Michigan Medicine, University of Michigan, MI, USA
| | - Erik I Waldorff
- Department of Orthopaedic Surgery, Michigan Medicine, University of Michigan, MI, USA
| | - Peizhi Zhu
- Department of Chemistry, College of Literature, Science and the Arts, University of Michigan, MI, USA
| | - Mekhala Raghavan
- Department of Chemistry, College of Literature, Science and the Arts, University of Michigan, MI, USA
| | - Michelle Lynch
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Nobuhiro Kamiya
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA; Tenri University, Nara, Japan
| | - Rongqing Zhang
- School of Life Sciences, Tsinghua University, Beijing, China
| | - Karl J Jepsen
- Department of Orthopaedic Surgery, Michigan Medicine, University of Michigan, MI, USA
| | - Steve Goldstein
- Department of Orthopaedic Surgery, Michigan Medicine, University of Michigan, MI, USA
| | - Michael D Morris
- Department of Chemistry, College of Literature, Science and the Arts, University of Michigan, MI, USA
| | - Mitsuo Yamauchi
- School of Dentistry, University of North Carolina at Chapel Hill, North Carolina, NC, USA
| | - David H Kohn
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA
| | - Yuji Mishina
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, MI, USA.
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30
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Inhibition of LIPG phospholipase activity suppresses tumor formation of human basal-like triple-negative breast cancer. Sci Rep 2020; 10:8911. [PMID: 32488004 PMCID: PMC7265491 DOI: 10.1038/s41598-020-65400-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 05/04/2020] [Indexed: 01/10/2023] Open
Abstract
The endothelial lipase LIPG possesses serine phospholipase activity and is involved in lipoprotein metabolism. Our previous studies have revealed that LIPG overexpression is required for tumor formation and metastasis of human basal-like triple-negative breast cancer (TNBC). We also demonstrated that LIPG differentially regulates TNBC malignancy through its enzymatic and non-enzymatic functions. The present studies were aimed at determining how XEN445, a specific inhibitor targeting LIPG phospholipase activity, impacts on TNBC tumor formation and malignant features. We established a cell-based LIPG enzymatic assay system to measure the inhibitory effect of XEN445 on LIPG phospholipase activity and determine its IC50. We found that XEN445 preferentially inhibited the proliferation of LIPG-expressing TNBC cells but not LIPG-negative luminal breast cancer cells. XEN445 inhibited the self-renewal of cancer stem cells (CSCs) in vitro and TNBC tumor formation in vivo. However, XEN445 had no inhibitory effect on the invasiveness and CSC stemness of TNBC cells. Our studies suggest that targeting both LIPG enzymatic and non-enzymatic functions is an important strategy for the treatment of TNBC.
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31
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Umana-Diaz C, Pichol-Thievend C, Marchand MF, Atlas Y, Salza R, Malbouyres M, Barret A, Teillon J, Ardidie-Robouant C, Ruggiero F, Monnot C, Girard P, Guilluy C, Ricard-Blum S, Germain S, Muller L. Scavenger Receptor Cysteine-Rich domains of Lysyl Oxidase-Like2 regulate endothelial ECM and angiogenesis through non-catalytic scaffolding mechanisms. Matrix Biol 2020; 88:33-52. [DOI: 10.1016/j.matbio.2019.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/08/2019] [Accepted: 11/12/2019] [Indexed: 12/12/2022]
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32
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Yamauchi M, Gibbons DL, Zong C, Fradette JJ, Bota-Rabassedas N, Kurie JM. Fibroblast heterogeneity and its impact on extracellular matrix and immune landscape remodeling in cancer. Matrix Biol 2020; 91-92:8-18. [PMID: 32442601 DOI: 10.1016/j.matbio.2020.05.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 12/12/2022]
Abstract
Tumor progression is marked by dense collagenous matrix accumulations that dynamically reorganize to accommodate a growing and invasive tumor mass. Cancer-associated fibroblasts (CAFs) play an essential role in matrix remodeling and influence other processes in the tumor microenvironment, including angiogenesis, immunosuppression, and invasion. These findings have spawned efforts to elucidate CAF functionality at the single-cell level. Here, we will discuss how those efforts have impacted our understanding of the ways in which CAFs govern matrix remodeling and the influence of matrix remodeling on the development of an immunosuppressive tumor microenvironment.
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Affiliation(s)
- Mitsuo Yamauchi
- Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NS, United States
| | - Don L Gibbons
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, United States
| | - Chenghang Zong
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, United States
| | - Jared J Fradette
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, United States
| | - Neus Bota-Rabassedas
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, United States
| | - Jonathan M Kurie
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas - MD Anderson Cancer Center, Houston, TX, United States.
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Gabay Yehezkely R, Zaffryar-Eilot S, Kaganovsky A, Fainshtain Malka N, Aviram R, Livneh I, Hasson P. Intracellular Role for the Matrix-Modifying Enzyme Lox in Regulating Transcription Factor Subcellular Localization and Activity in Muscle Regeneration. Dev Cell 2020; 53:406-417.e5. [DOI: 10.1016/j.devcel.2020.04.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 02/23/2020] [Accepted: 04/03/2020] [Indexed: 12/31/2022]
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Targeting the lysyl oxidases in tumour desmoplasia. Biochem Soc Trans 2019; 47:1661-1678. [DOI: 10.1042/bst20190098] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/30/2019] [Accepted: 10/31/2019] [Indexed: 02/08/2023]
Abstract
The extracellular matrix (ECM) is a fundamental component of tissue microenvironments and its dysregulation has been implicated in a number of diseases, in particular cancer. Tumour desmoplasia (fibrosis) accompanies the progression of many solid cancers, and is also often induced as a result of many frontline chemotherapies. This has recently led to an increased interest in targeting the underlying processes. The major structural components of the ECM contributing to desmoplasia are the fibrillar collagens, whose key assembly mechanism is the enzymatic stabilisation of procollagen monomers by the lysyl oxidases. The lysyl oxidase family of copper-dependent amine oxidase enzymes are required for covalent cross-linking of collagen (as well as elastin) molecules into the mature ECM. This key step in the assembly of collagens is of particular interest in the cancer field since it is essential to the tumour desmoplastic response. LOX family members are dysregulated in many cancers and consequently the development of small molecule inhibitors targeting their enzymatic activity has been initiated by many groups. Development of specific small molecule inhibitors however has been hindered by the lack of crystal structures of the active sites, and therefore alternate indirect approaches to target LOX have also been explored. In this review, we introduce the importance of, and assembly steps of the ECM in the tumour desmoplastic response focussing on the role of the lysyl oxidases. We also discuss recent progress in targeting this family of enzymes as a potential therapeutic approach.
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Licini C, Vitale-Brovarone C, Mattioli-Belmonte M. Collagen and non-collagenous proteins molecular crosstalk in the pathophysiology of osteoporosis. Cytokine Growth Factor Rev 2019; 49:59-69. [PMID: 31543432 DOI: 10.1016/j.cytogfr.2019.09.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/12/2019] [Accepted: 09/12/2019] [Indexed: 01/07/2023]
Abstract
Collagenous and non-collagenous proteins (NCPs) in the extracellular matrix, as well as the coupling mechanisms between osteoclasts and osteoblasts, work together to ensure normal bone metabolism. Each protein plays one or more critical roles in bone metabolism, sometimes even contradictory, thus affecting the final mechanical, physical and chemical properties of bone tissue. Anomalies in the amount and structure of one or more of these proteins can cause abnormalities in bone formation and resorption, which consequently leads to malformations and defects, such as osteoporosis (OP). The connections between key proteins involved in matrix formation and resorption are far from being elucidated. In this review, we resume knowledge on the crosstalk between collagen type I and selected NCPs (Transforming Growth Factor-β, Insulin-like Growth Factor-1, Decorin, Osteonectin, Osteopontin, Bone Sialoprotein and Osteocalcin) of bone matrix, focusing on their possible involvement and role in OP. The different elements of this network can be pharmacologically targeted or used for the design/development of innovative regenerative strategies to modulate a feedback loop in bone remodelling.
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Affiliation(s)
- Caterina Licini
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy; Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Via Tronto 10/a, 60126, Ancona, Italy
| | - Chiara Vitale-Brovarone
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy.
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Via Tronto 10/a, 60126, Ancona, Italy
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Shin YW, Park KI, Moon J, Lee ST, Chu K, Lee SK, Roh JK, Jung KH. Association of Bone Mineral Density With the Risk of Intracranial Aneurysm. JAMA Neurol 2019; 75:179-186. [PMID: 29049519 DOI: 10.1001/jamaneurol.2017.3431] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Importance Disruption of extracellular matrix integrity is critically involved in both intracranial aneurysm and bone fragility. Furthermore, both intracranial aneurysm and osteoporosis have a female predominance, and sex hormones are considered to affect this discrepancy. Objective To evaluate the association between bone mineral density and intracranial aneurysm. Design, Setting, and Participants A cross-sectional study conducted with 14 328 patients who underwent brain magnetic resonance angiography and bone mineral densitometry as a part of a health examination at a specialized center for comprehensive health examination in Seoul, the largest metropolitan area in the Republic of Korea, between December 2004 and November 2015. After excluding patients with insufficient clinical information (n = 1102) and with ambiguous intracranial arterial lesion (n = 441), 12 785 were included in the analysis. Exposures Bone mineral density was measured at the lumbar vertebrae (L1 to L4), femur neck, and total hip using dual-energy x-ray absorptiometry. Main Outcomes and Measures Multiple logistic regression or linear regression was used to examine the association between tertiles of bone mineral density and the presence, size, and multiplicity of intracranial aneurysms. In secondary analyses, we analyzed postmenopausal women and men 50 years and older (n = 8722) because they are particularly at risk of decreased bone mineral density. Results Among 12 785 patients in the study (7242 women [56.6%]; mean [SD] age, 54.8 [10.1] years) intracranial aneurysms were found in 472 patients (3.7%). Lower bone mineral density was associated with an increased risk of harboring intracranial aneurysm. In multivariable logistic regression analyses, odds ratios for the highest compared with the lowest bone mineral density tertile were 1.30 (95% CI, 1.03-1.64) in the lumbar spine, 1.30 (95% CI, 1.03-1.64) in the femoral neck, and 1.27 (95% CI, 1.01-1.60) in the total hip after adjusting for age, sex, and vascular risk factors. In a linear regression model adjusted for age, sex, and vascular risk factors, the lowest tertile of bone mineral density in the lumbar spine was associated with an increased log-transformed size of aneurysm (β, 0.196; SE, 0.047). In secondary analyses, these associations were more definite and a low T score (<-1 SD) was additionally associated with multiple aneurysms (OR, 1.84; 95% CI, 1.05-3.30) after adjusting for age, sex, and vascular risk factors. Conclusions and Relevance Bone mineral density may be associated with the presence, size, and multiplicity of intracranial aneurysm. The study findings provide evidence for shared pathophysiology between intracranial aneurysm and bone fragility.
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Affiliation(s)
- Yong-Won Shin
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea.,Yeongjusi Health Center, Gyeongsangbuk-do, Republic of Korea
| | - Kyung-Il Park
- Department of Neurology, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea
| | - Jangsup Moon
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Soon-Tae Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Kon Chu
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sang Kun Lee
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jae-Kyu Roh
- Department of Neurology, The Armed Forces Capital Hospital, Sungnam, Republic of Korea
| | - Keun-Hwa Jung
- Department of Neurology, Seoul National University Hospital, Seoul, Republic of Korea
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Lysyl oxidases: from enzyme activity to extracellular matrix cross-links. Essays Biochem 2019; 63:349-364. [DOI: 10.1042/ebc20180050] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/23/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022]
Abstract
AbstractThe lysyl oxidase family comprises five members in mammals, lysyl oxidase (LOX) and four lysyl oxidase like proteins (LOXL1-4). They are copper amine oxidases with a highly conserved catalytic domain, a lysine tyrosylquinone cofactor, and a conserved copper-binding site. They catalyze the first step of the covalent cross-linking of the extracellular matrix (ECM) proteins collagens and elastin, which contribute to ECM stiffness and mechanical properties. The role of LOX and LOXL2 in fibrosis, tumorigenesis, and metastasis, including changes in their expression level and their regulation of cell signaling pathways, have been extensively reviewed, and both enzymes have been identified as therapeutic targets. We review here the molecular features and three-dimensional structure/models of LOX and LOXLs, their role in ECM cross-linking, and the regulation of their cross-linking activity by ECM proteins, proteoglycans, and by inhibitors. We also make an overview of the major ECM cross-links, because they are the ultimate molecular readouts of LOX/LOXL activity in tissues. The recent 3D model of LOX, which recapitulates its known structural and biochemical features, will be useful to decipher the molecular mechanisms of LOX interaction with its various substrates, and to design substrate-specific inhibitors, which are potential antifibrotic and antitumor drugs.
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38
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Glycation-induced modification of tissue-specific ECM proteins: A pathophysiological mechanism in degenerative diseases. Biochim Biophys Acta Gen Subj 2019; 1863:129411. [PMID: 31400438 DOI: 10.1016/j.bbagen.2019.08.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/29/2019] [Accepted: 08/05/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Glycation driven generation of advanced glycation end products (AGEs) and their patho-physiological role in human degenerative diseases has remained one of the thrust areas in the mainstream of disease biology. Glycation of extracellular matrix (ECM) proteins have deleterious effect on the mechanical and functional properties of tissues. Owing to the adverse pathophysiological concerns of glycation, there is a need to decipher the underlying mechanisms. SCOPE OF REVIEW AGE-modified ECM proteins affect the cell in the vicinity by altering protein structure-function, matrix-matrix or matrix-cell interaction and by activating signalling pathway through receptor for AGE. This review is intended for addressing the AGE-induced modification of tissue-specific ECM proteins and its implication in the pathogenesis of various organ-specific human ailments. MAJOR CONCLUSIONS The glycation affects the canonical cell behaviour due to alteration in the interaction of glycated ECM with receptors like integrins and discodin domain, and the signalling cues generated subsequently affect the downstream signalling pathways. Consequently, the variation of structural and functional properties of tissues due to matrix glycation helps in the initiation or progression of the disease condition. GENERAL SIGNIFICANCE This review offers comprehensive knowledge about the remodelling of glycation induced ECM and tissue-specific pathological concerns. As glycation of ECM affects the normal tissues and cell behaviour, the scientific discourse may also provide cues for developing candidate drugs that may help in attenuating the adverse effects of AGEs and perhaps open a research window of tailoring novel strategies for the management of glycation induced human degenerative diseases.
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39
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Lee VS, Halabi CM, Broekelmann TJ, Trackman PC, Stitziel NO, Mecham RP. Intracellular retention of mutant lysyl oxidase leads to aortic dilation in response to increased hemodynamic stress. JCI Insight 2019; 5:127748. [PMID: 31211696 PMCID: PMC6693828 DOI: 10.1172/jci.insight.127748] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 06/13/2019] [Indexed: 12/15/2022] Open
Abstract
Heterozygous missense mutations in lysyl oxidase (LOX) are associated with thoracic aortic aneurysms and dissections. To assess how LOX mutations modify protein function and lead to aortic disease, we studied the factors that influence the onset and progression of vascular aneurysms in mice bearing a Lox mutation (p.M292R) linked to aortic dilation in humans. We show that mice heterozygous for the M292R mutation did not develop aneurysmal disease unless challenged with increased hemodynamic stress. Vessel dilation was confined to the ascending aorta although both the ascending and descending aortae showed changes in vessel wall structure, smooth muscle cell number and inflammatory cell recruitment that differed between wild-type and mutant animals. Studies with isolated cells found that M292R-mutant Lox is retained in the endoplasmic reticulum and ultimately cleared through an autophagy/proteasome pathway. Because the mutant protein does not transit to the Golgi where copper incorporation occurs, the protein is never catalytically active. These studies show that the M292R mutation results in LOX loss-of-function due to a secretion defect that predisposes the ascending aorta in mice (and by extension humans with similar mutations) to arterial dilation when exposed to risk factors that impart stress to the arterial wall.
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MESH Headings
- Aortic Dissection/genetics
- Aortic Dissection/pathology
- Aortic Dissection/physiopathology
- Animals
- Aorta/cytology
- Aorta/pathology
- Aorta/physiopathology
- Aortic Aneurysm, Thoracic/genetics
- Aortic Aneurysm, Thoracic/pathology
- Aortic Aneurysm, Thoracic/physiopathology
- Cells, Cultured
- Disease Models, Animal
- Embryo, Mammalian
- Endoplasmic Reticulum/metabolism
- Extracellular Matrix Proteins/genetics
- Extracellular Matrix Proteins/metabolism
- Fibroblasts/ultrastructure
- Gene Knock-In Techniques
- Genetic Predisposition to Disease
- Golgi Apparatus/metabolism
- Heterozygote
- Humans
- Hypertension/complications
- Hypertension/physiopathology
- Loss of Function Mutation
- Mice
- Mice, Transgenic
- Microscopy, Electron, Transmission
- Muscle, Smooth, Vascular/cytology
- Muscle, Smooth, Vascular/physiopathology
- Muscle, Smooth, Vascular/ultrastructure
- Myocytes, Smooth Muscle/cytology
- Myocytes, Smooth Muscle/metabolism
- Primary Cell Culture
- Protein-Lysine 6-Oxidase/genetics
- Protein-Lysine 6-Oxidase/metabolism
- Risk Factors
- Stress, Physiological
- Vasodilation/physiology
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Affiliation(s)
| | - Carmen M. Halabi
- Division of Nephrology, Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri, USA
| | | | - Philip C. Trackman
- Department of Molecular and Cellular Biology, Boston University, Henry M. Goldman School of Dental Medicine, Boston, Massachusetts, USA
| | - Nathan O. Stitziel
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
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Vallet S, Guéroult M, Belloy N, Dauchez M, Ricard-Blum S. A Three-Dimensional Model of Human Lysyl Oxidase, a Cross-Linking Enzyme. ACS OMEGA 2019; 4:8495-8505. [PMID: 31459939 PMCID: PMC6647939 DOI: 10.1021/acsomega.9b00317] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 05/03/2019] [Indexed: 06/10/2023]
Abstract
Lysyl oxidase (LOX) is a cross-linking enzyme identified 50 years ago, but its 3D structure is still unknown. We have thus built a 3D model of human LOX by homology modeling using the X-ray structure of human lysyl oxidase-like 2 as a template. This model is the first one to recapitulate all known biochemical features of LOX, namely, the coordination of the copper ion and the formation of the lysine tyrosylquinone cofactor and the disulfide bridges. Furthermore, this model is stable during a 1 μs molecular dynamics simulation. The catalytic site is located in a groove surrounded by two loops. The distance between these loops fluctuated during the simulations, which suggests that the groove forms a hinge with a variable opening, which is able to accommodate the various sizes of LOX substrates. This 3D model is a pre-requisite to perform docking experiments with LOX substrates and other partners to identify binding sites and to design new LOX inhibitors specific for therapeutic purpose.
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Affiliation(s)
- Sylvain
D. Vallet
- Univ
Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute
of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne
Cedex, France
| | - Marc Guéroult
- UMR 7369 URCA/CNRS
Matrice Extracellulaire et Dynamique Cellulaire
(MEDyC) and Plateau de Modélisation Moléculaire Multi-échelle, Université de Reims Champagne-Ardenne, 51687 Reims Cedex
2, France
| | - Nicolas Belloy
- UMR 7369 URCA/CNRS
Matrice Extracellulaire et Dynamique Cellulaire
(MEDyC) and Plateau de Modélisation Moléculaire Multi-échelle, Université de Reims Champagne-Ardenne, 51687 Reims Cedex
2, France
| | - Manuel Dauchez
- UMR 7369 URCA/CNRS
Matrice Extracellulaire et Dynamique Cellulaire
(MEDyC) and Plateau de Modélisation Moléculaire Multi-échelle, Université de Reims Champagne-Ardenne, 51687 Reims Cedex
2, France
| | - Sylvie Ricard-Blum
- Univ
Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute
of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622 Villeurbanne
Cedex, France
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41
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Chavarry NGM, Perrone D, Farias MLF, Dos Santos BC, Domingos AC, Schanaider A, Feres-Filho EJ. Alendronate improves bone density and type I collagen accumulation but increases the amount of pentosidine in the healing dental alveolus of ovariectomized rabbits. Bone 2019; 120:9-19. [PMID: 30282057 DOI: 10.1016/j.bone.2018.09.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 09/23/2018] [Accepted: 09/24/2018] [Indexed: 01/22/2023]
Abstract
BACKGROUND It has been shown that the oral aminobisphosphonate sodium alendronate (ALN) therapy reduces the risk of main fractures in osteoporotic women, but its effect on the jaw bones is poorly known. Here, we hypothesized that ALN affects the newly formed alveolar bone, particularly the quality of the type I collagen cross-linking. METHODS Osteoporosis was induced by ovariectomy (OVX) in 6-month old rabbits. Six weeks following surgery, eight animals were treated by oral gavage with ALN (OVX + ALN) and ten received placebo (OVX + Pbo). Another six rabbits which were sham operated also received placebo (SHAM + Pbo). One month following the beginning of treatment, the upper and lower left first premolars were removed. Six weeks later, the upper and the lower right first premolars were also extracted. One month after the second extraction, biopsies were collected from the maxillary extraction sites and collagen crosslinks were analyzed in the newly formed bone tissue by HPLC. Also, at this time, mandibular bone segments were subjected to μCT. RESULTS Animals treated with ALN achieved a roughly 2-time greater bone volume fraction value at a late healing period than animals in the other groups (p < 0.05). Collagen mean results were 2- to 4-times superior in the OVX + ALN group than in the control groups (p < 0.05). ALN-treated animals presented higher amounts of the non-enzymatic collagen cross-link pentosidine (PEN) than the sham-operated rabbits (p < 0.05), whereas the OVX + Pbo group presented the highest amount of PEN (p < 0.05). CONCLUSION Alendronate increases bone volume and collagen accumulation, but does not fully rescue the non-osteoporotic alveolar tissue quality as is evident from the increased quantity of pentosidine.
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Affiliation(s)
| | - Daniel Perrone
- Laboratory of Nutritional Biochemistry and Food, Chemistry Institute, Federal University of Rio de Janeiro, RJ CEP 21941-909, Brazil
| | - Maria Lucia Fleiuss Farias
- Division of Endocrinology, School of Medicine, Federal University of Rio de Janeiro, RJ CEP 21941-913, Brazil
| | - Bernardo Camargo Dos Santos
- Department of Nuclear Engineering (COPPE), School of Engineering, Federal University of Rio de Janeiro, RJ CEP 21941-972, Brazil
| | - Andrea Castro Domingos
- Department of Oral Pathology, Oral Radiology and Oral Diagnosis, School of Dentistry, Federal University of Rio de Janeiro, RJ CEP 21941-971, Brazil
| | - Alberto Schanaider
- Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, RJ CEP 21941-913, Brazil
| | - Eduardo Jorge Feres-Filho
- Division of Graduate Periodontics, School of Dentistry, Federal University of Rio de Janeiro, RJ CEP 21941-971, Brazil.
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42
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Mitra D, Yasui OW, Harvestine JN, Link JM, Hu JC, Athanasiou KA, Leach JK. Exogenous Lysyl Oxidase-Like 2 and Perfusion Culture Induce Collagen Crosslink Formation in Osteogenic Grafts. Biotechnol J 2019; 14:e1700763. [PMID: 30052320 PMCID: PMC6432926 DOI: 10.1002/biot.201700763] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 06/30/2018] [Indexed: 12/24/2022]
Abstract
Lysyl oxidase (LOX)-mediated collagen crosslinking can regulate osteoblastic phenotype and enhance mechanical properties of tissues, both areas of interest in bone tissue engineering. The objective of this study is to investigate the effect of lysyl oxidase-like 2 (LOXL2) on osteogenic differentiation of mesenchymal stem cells (MSCs) cultured in perfusion bioreactors, enzymatic collagen crosslink formation in the extracellular matrix (ECM), and mechanical properties of engineered bone grafts. Exogenous LOXL2 to MSCs seeded in composite scaffolds under perfusion culture for up to 28 days is administered. Constructs treated with LOXL2 appear brown in color and possess greater DNA content and osteogenic potential measured by a twofold increase in bone sialoprotein gene expression. Collagen expression of LOXL2-treated scaffolds is lower than untreated controls. Functional outputs such as calcium deposition, osteocalcin expression, and compressive modulus are unaffected by LOXL2 supplementation. Excitingly, LOXL2-treated constructs contain 1.8- and 1.4-times more pyridinoline (PYD) crosslinks per mole of collagen and per wet weight, respectively, than untreated constructs. Despite these increases, compressive moduli of LOXL2-treated constructs are similar to untreated constructs over the 28-day culture duration. This is the first report of LOXL2 application to engineered, three-dimensional bony constructs. The results suggest a potentially new strategy for engineering osteogenic grafts with a mature ECM by modulating crosslink formation.
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Affiliation(s)
- Debika Mitra
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
| | - Osamu W. Yasui
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
| | - Jenna N. Harvestine
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
| | - Jarrett M. Link
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697
| | - Jerry C. Hu
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697
| | - Kyriacos A. Athanasiou
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697
| | - J. Kent Leach
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA 95817
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43
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Schmelzer CEH, Heinz A, Troilo H, Lockhart-Cairns MP, Jowitt TA, Marchand MF, Bidault L, Bignon M, Hedtke T, Barret A, McConnell JC, Sherratt MJ, Germain S, Hulmes DJS, Baldock C, Muller L. Lysyl oxidase-like 2 (LOXL2)-mediated cross-linking of tropoelastin. FASEB J 2019; 33:5468-5481. [PMID: 30676771 PMCID: PMC6629125 DOI: 10.1096/fj.201801860rr] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Lysyl oxidases (LOXs) play a central role in extracellular matrix remodeling during development and tumor growth and fibrosis through cross-linking of collagens and elastin. We have limited knowledge of the structure and substrate specificity of these secreted enzymes. LOXs share a conserved C-terminal catalytic domain but differ in their N-terminal region, which is composed of 4 repeats of scavenger receptor cysteine-rich (SRCR) domains in LOX-like (LOXL) 2. We investigated by X-ray scattering and electron microscopy the low-resolution structure of the full-length enzyme and the structure of a shorter form lacking the catalytic domain. Our data demonstrate that LOXL2 has a rod-like structure with a stalk composed of the SRCR domains and the catalytic domain at its tip. We detected direct interaction between LOXL2 and tropoelastin (TE) and also LOXL2-mediated deamination of TE. Using proteomics, we identified several allysines together with cross-linked TE peptides. The elastin-like material generated was resistant to trypsin proteolysis and displayed mechanical properties similar to mature elastin. Finally, we detected the codistribution of LOXL2 and elastin in the vascular wall. Altogether, these data suggest that LOXL2 could participate in elastogenesis in vivo and could be used as a means of cross-linking TE in vitro for biomimetic and cell-compatible tissue engineering purposes.-Schmelzer, C. E. H., Heinz, A., Troilo, H., Lockhart-Cairns, M.-P., Jowitt, T. A., Marchand, M. F., Bidault, L., Bignon, M., Hedtke, T., Barret, A., McConnell, J. C., Sherratt, M. J., Germain, S., Hulmes, D. J. S., Baldock, C., Muller, L. Lysyl oxidase-like 2 (LOXL2)-mediated cross-linking of tropoelastin.
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Affiliation(s)
- Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems (IMWS), Halle (Saale), Germany.,Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Andrea Heinz
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.,Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Helen Troilo
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, United Kingdom.,Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Michael P Lockhart-Cairns
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, United Kingdom.,Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Thomas A Jowitt
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, United Kingdom.,Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Marion F Marchand
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France.,Collège Doctoral, Sorbonne Université, Paris, France
| | - Laurent Bidault
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France
| | - Marine Bignon
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France
| | - Tobias Hedtke
- Fraunhofer Institute for Microstructure of Materials and Systems (IMWS), Halle (Saale), Germany.,Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Alain Barret
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France
| | - James C McConnell
- Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Michael J Sherratt
- Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Stéphane Germain
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France
| | - David J S Hulmes
- UMR 5305, Centre National de la Recherche Scientifique (CNRS), Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), Université de Lyon, Lyon, France
| | - Clair Baldock
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, United Kingdom.,Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Laurent Muller
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France
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Carpéné C, Boulet N, Chaplin A, Mercader J. Past, Present and Future Anti-Obesity Effects of Flavin-Containing and/or Copper-Containing Amine Oxidase Inhibitors. MEDICINES (BASEL, SWITZERLAND) 2019; 6:E9. [PMID: 30650583 PMCID: PMC6473341 DOI: 10.3390/medicines6010009] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 12/12/2022]
Abstract
Background: Two classes of amine oxidases are found in mammals: those with a flavin adenine dinucleotide as a cofactor, such as monoamine oxidases (MAO) and lysine-specific demethylases (LSD), and those with copper as a cofactor, including copper-containing amine oxidases (AOC) and lysyl oxidases (LOX). All are expressed in adipose tissue, including a semicarbazide-sensitive amine oxidase/vascular adhesion protein-1 (SSAO/VAP-1) strongly present on the adipocyte surface. Methods: Previously, irreversible MAO inhibitors have been reported to limit food intake and/or fat extension in rodents; however, their use for the treatment of depressed patients has not revealed a clear anti-obesity action. Semicarbazide and other molecules inhibiting SSAO/VAP-1 also reduce adiposity in obese rodents. Results: Recently, a LOX inhibitor and a subtype-selective MAO inhibitor have been shown to limit fattening in high-fat diet-fed rats. Phenelzine, which inhibits MAO and AOC, limits adipogenesis in cultured preadipocytes and impairs lipogenesis in mature adipocytes. When tested in rats or mice, phenelzine reduces food intake and/or fat accumulation without cardiac adverse effects. Novel amine oxidase inhibitors have been recently characterized in a quest for promising anti-inflammatory or anti-cancer approaches; however, their capacity to mitigate obesity has not been studied so far. Conclusions: The present review of the diverse effects of amine oxidase inhibitors impairing adipocyte differentiation or limiting excessive fat accumulation indicates that further studies are needed to reveal their potential anti-obesity properties.
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Affiliation(s)
- Christian Carpéné
- Institute of Metabolic and Cardiovascular Diseases, INSERM, UMR1048, Team 1, 31432 Toulouse, France.
- I2MC, University of Toulouse, UMR1048, Paul Sabatier University, 31432 Toulouse Cedex 4, France.
| | - Nathalie Boulet
- Institute of Metabolic and Cardiovascular Diseases, INSERM, UMR1048, Team 1, 31432 Toulouse, France.
- I2MC, University of Toulouse, UMR1048, Paul Sabatier University, 31432 Toulouse Cedex 4, France.
| | - Alice Chaplin
- Cardiovascular Research Institute, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA.
| | - Josep Mercader
- Department of Fundamental Biology and Health Sciences, University of the Balearic Islands, 07122 Palma, Spain.
- Balearic Islands Health Research Institute (IdISBa), 07122 Palma, Spain.
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45
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Joshi A, Zahoor A, Buson A. Measurement of Collagen Cross-Links from Tissue Samples by Mass Spectrometry. Methods Mol Biol 2019; 1944:79-93. [PMID: 30840236 DOI: 10.1007/978-1-4939-9095-5_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
All tissues contain an extracellular matrix (ECM) which is constantly and dynamically remodeled, either in physiological or pathological processes, such as fibrosis or cancer. One of the key contributors in the establishment of a fibrotic state is the abnormal deposition of extracellular matrix and cross-linked proteins, in particular collagen, leading to tissue stiffening and disruption of organ function. The precise and sensitive measurement of these cross-links by LC-MS/MS is a very powerful tool for providing a quantitative and qualitative analysis of fibrosis and is a key requirement in the study of this state, as well as in the development of drugs for this unmet clinical need.
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Affiliation(s)
- Amar Joshi
- Pharmaxis Drug Discovery, Frenchs Forest, NSW, Australia.
| | - Amna Zahoor
- Pharmaxis Drug Discovery, Frenchs Forest, NSW, Australia
| | - Alberto Buson
- Pharmaxis Drug Discovery, Frenchs Forest, NSW, Australia
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46
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Kii I. Periostin Functions as a Scaffold for Assembly of Extracellular Proteins. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1132:23-32. [DOI: 10.1007/978-981-13-6657-4_3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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47
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Purification procedure and assay for the activity of lysyl oxidase. UKRAINIAN BIOCHEMICAL JOURNAL 2018. [DOI: 10.15407/ubj90.05.098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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48
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Marchand M, Monnot C, Muller L, Germain S. Extracellular matrix scaffolding in angiogenesis and capillary homeostasis. Semin Cell Dev Biol 2018; 89:147-156. [PMID: 30165150 DOI: 10.1016/j.semcdb.2018.08.007] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/31/2018] [Accepted: 08/14/2018] [Indexed: 01/03/2023]
Abstract
The extracellular matrix (ECM) of blood vessels, which is composed of both the vascular basement membrane (BM) and the interstitial ECM is identified as a crucial component of the vasculature. We here focus on the unique molecular composition and scaffolding of the capillary ECM, which provides structural support to blood vessels and regulates properties of endothelial cells and pericytes. The major components of the BM are collagen IV, laminins, heparan sulfate proteoglycans and nidogen and also associated proteins such as collagen XVIII and fibronectin. Their organization and scaffolding in the BM is required for proper capillary morphogenesis and maintenance of vascular homeostasis. The BM also regulates vascular mechanosensing. A better understanding of the mechanical and structural properties of the vascular BM and interstitial ECM therefore opens new perspectives to control physiological and pathological angiogenesis and vascular homeostasis. The overall aim of this review is to explain how ECM scaffolding influences angiogenesis and capillary integrity.
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Affiliation(s)
- Marion Marchand
- Center for Interdisciplinary Research in Biology (CIRB), College de France, CNRS, INSERM, PSL Research University, 11 Place Marcelin Berthelot, 75005, Paris, France; Sorbonne Université, Collège Doctoral, F-75005 Paris, France
| | - Catherine Monnot
- Center for Interdisciplinary Research in Biology (CIRB), College de France, CNRS, INSERM, PSL Research University, 11 Place Marcelin Berthelot, 75005, Paris, France
| | - Laurent Muller
- Center for Interdisciplinary Research in Biology (CIRB), College de France, CNRS, INSERM, PSL Research University, 11 Place Marcelin Berthelot, 75005, Paris, France
| | - Stéphane Germain
- Center for Interdisciplinary Research in Biology (CIRB), College de France, CNRS, INSERM, PSL Research University, 11 Place Marcelin Berthelot, 75005, Paris, France.
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49
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Vallet SD, Miele AE, Uciechowska-Kaczmarzyk U, Liwo A, Duclos B, Samsonov SA, Ricard-Blum S. Insights into the structure and dynamics of lysyl oxidase propeptide, a flexible protein with numerous partners. Sci Rep 2018; 8:11768. [PMID: 30082873 PMCID: PMC6078952 DOI: 10.1038/s41598-018-30190-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 07/20/2018] [Indexed: 01/29/2023] Open
Abstract
Lysyl oxidase (LOX) catalyzes the oxidative deamination of lysine and hydroxylysine residues in collagens and elastin, which is the first step of the cross-linking of these extracellular matrix proteins. It is secreted as a proenzyme activated by bone morphogenetic protein-1, which releases the LOX catalytic domain and its bioactive N-terminal propeptide. We characterized the recombinant human propeptide by circular dichroism, dynamic light scattering, and small-angle X-ray scattering (SAXS), and showed that it is elongated, monomeric, disordered and flexible (Dmax: 11.7 nm, Rg: 3.7 nm). We generated 3D models of the propeptide by coarse-grained molecular dynamics simulations restrained by SAXS data, which were used for docking experiments. Furthermore, we have identified 17 new binding partners of the propeptide by label-free assays. They include four glycosaminoglycans (hyaluronan, chondroitin, dermatan and heparan sulfate), collagen I, cross-linking and proteolytic enzymes (lysyl oxidase-like 2, transglutaminase-2, matrix metalloproteinase-2), a proteoglycan (fibromodulin), one growth factor (Epidermal Growth Factor, EGF), and one membrane protein (tumor endothelial marker-8). This suggests new roles for the propeptide in EGF signaling pathway.
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Affiliation(s)
- Sylvain D Vallet
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622, Villeurbanne cedex, France
| | - Adriana E Miele
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622, Villeurbanne cedex, France
| | - Urszula Uciechowska-Kaczmarzyk
- Laboratory of Molecular Modeling, Department of Theoretical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308, Gdańsk, Poland
| | - Adam Liwo
- Laboratory of Molecular Modeling, Department of Theoretical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308, Gdańsk, Poland
| | - Bertrand Duclos
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622, Villeurbanne cedex, France
| | - Sergey A Samsonov
- Laboratory of Molecular Modeling, Department of Theoretical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308, Gdańsk, Poland
| | - Sylvie Ricard-Blum
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry, UMR 5246, F-69622, Villeurbanne cedex, France.
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50
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Unal M, Uppuganti S, Leverant CJ, Creecy A, Granke M, Voziyan P, Nyman JS. Assessing glycation-mediated changes in human cortical bone with Raman spectroscopy. JOURNAL OF BIOPHOTONICS 2018; 11:e201700352. [PMID: 29575566 PMCID: PMC6231413 DOI: 10.1002/jbio.201700352] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 03/21/2018] [Indexed: 05/13/2023]
Abstract
Establishing a non-destructive method for spatially assessing advanced glycation end-products (AGEs) is a potentially useful step toward investigating the mechanistic role of AGEs in bone quality. To test the hypothesis that the shape of the amide I in the Raman spectroscopy (RS) analysis of bone matrix changes upon AGE accumulation, we incubated paired cadaveric cortical bone in ribose or glucose solutions and in control solutions for 4 and 16 weeks, respectively, at 37°C. Acquiring 10 spectra per bone with a 20X objective and a 830 nm laser, RS was sensitive to AGE accumulation (confirmed by biochemical measurements of pentosidine and fluorescent AGEs). Hyp/Pro ratio increased upon glycation using either 0.1 M ribose, 0.5 M ribose or 0.5 M glucose. Glycation also decreased the amide I sub-peak ratios (cm-1 ) 1668/1638 and 1668/1610 when directly calculated using either second derivative spectrum or local maxima of difference spectrum, though the processing method (eg, averaged spectrum vs individual spectra) to minimize noise influenced detection of differences for the ribose-incubated bones. Glycation however did not affect these sub-peak ratios including the matrix maturity ratio (1668/1690) when calculated using indirect sub-band fitting. The amide I sub-peak ratios likely reflected changes in the collagen I structure.
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Affiliation(s)
- Mustafa Unal
- Department of Orthopaedic Surgery & Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232
- Vanderbilt Biophotonics Center, Vanderbilt University, Nashville, TN 37232
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Sasidhar Uppuganti
- Department of Orthopaedic Surgery & Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Calen J. Leverant
- Department of Chemical & Biomolecular Engineering, Vanderbilt University, Nashville, TN 37232
| | - Amy Creecy
- Department of Orthopaedic Surgery & Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37232
| | - Mathilde Granke
- Department of Orthopaedic Surgery & Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Paul Voziyan
- Department of Medicine, Division of Nephrology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jeffry S. Nyman
- Department of Orthopaedic Surgery & Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232
- Vanderbilt Biophotonics Center, Vanderbilt University, Nashville, TN 37232
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37232
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