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Morfin C, Sebastian A, Wilson SP, Amiri B, Murugesh DK, Hum NR, Christiansen BA, Loots GG. Mef2c regulates bone mass through Sost-dependent and -independent mechanisms. Bone 2024; 179:116976. [PMID: 38042445 DOI: 10.1016/j.bone.2023.116976] [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: 05/31/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 12/04/2023]
Abstract
Mef2c is a transcription factor that mediates key cellular behaviors that promote endochondral ossification and bone formation. Previously, Mef2c has been shown to regulate Sost transcription via its osteocyte-specific enhancer, ECR5, and conditional deletions of Mef2cfl/fl with either Col1-Cre or Dmp1-Cre produced generalized high bone mass (HBM) consistent with Van Buchem Disease phenotypes. However, Sost-/-; Mef2cfl/fl; Dmp1-Cre mice produced a significantly higher bone mass phenotype that Sost-/- alone suggesting that Mef2c modulates bone mass through additional mechanisms, independent of Sost. To identify new Mef2c transcriptional targets important in bone metabolism, we profiled gene expression by single-cell RNA sequencing in subpopulations of cells isolated from Mef2cfl/fl; Dmp1-Cre and Mef2cfl/fl; Bglap-Cre femurs, both strains exhibiting similar high bone mass phenotypes. However, we found Mef2cfl/fl; Bglap-Cre to also display a growth plate defect characterized by an expansion of several osteoprogenitor subpopulations. Differential gene expression analysis identified a total of 96 up- and 2434 down- regulated genes in Mef2cfl/fl; Bglap-Cre and 176 up- and 1041 down- regulated genes in Mef2cfl/fl; Dmp1-Cre bone cell subpopulations compared to wildtype mice. Mef2c deletion affected the transcriptomes across several cell types including mesenchymal progenitors (MP), osteoprogenitors (OSP), osteoblast (OB), and osteocyte (OCY) subpopulations. Several energy metabolism genes such as Uqcrb, Ndufv2, Ndufs3, Ndufa13, Ndufb9, Ndufb5, Cox6a1, Cox5a, Atp5o, Atp5g2, Atp5b, Atp5 were significantly down regulated in Mef2c-deficient OBs and OCYs, in both strains. Binding motif analysis of promoter regions of differentially expressed genes identified Mef2c binding in Bone Sialoprotein (BSP/Ibsp), a gene known to cause increased trabecular BV/TV in the femurs of Ibsp-/- mice. Immunohistochemical analysis confirmed the absence of Ibsp protein in OBs and OCYs. These findings suggests that the HBM in Sost-/-; Mef2cfl/fl; Dmp1-Cre is caused by a multitude of transcriptional changes in genes that regulate bone formation, two of which are Sost and Ibsp.
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Affiliation(s)
- Cesar Morfin
- School of Natural Sciences, University of California, Merced, CA, United States; Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States; Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States
| | - Aimy Sebastian
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Stephen P Wilson
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Beheshta Amiri
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Deepa K Murugesh
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Nicholas R Hum
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Blaine A Christiansen
- Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States
| | - Gabriela G Loots
- School of Natural Sciences, University of California, Merced, CA, United States; Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States; Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States.
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Ohnishi T, Tran V, Sao K, Ramteke P, Querido W, Barve RA, van de Wetering K, Risbud MV. Loss of function mutation in Ank causes aberrant mineralization and acquisition of osteoblast-like-phenotype by the cells of the intervertebral disc. Cell Death Dis 2023; 14:447. [PMID: 37468461 PMCID: PMC10356955 DOI: 10.1038/s41419-023-05893-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 06/09/2023] [Accepted: 06/15/2023] [Indexed: 07/21/2023]
Abstract
Pathological mineralization of intervertebral disc is debilitating and painful and linked to disc degeneration in a subset of human patients. An adenosine triphosphate efflux transporter, progressive ankylosis (ANK) is a regulator of extracellular inorganic pyrophosphate levels and plays an important role in tissue mineralization. However, the function of ANK in intervertebral disc has not been fully explored. Herein we analyzed the spinal phenotype of Ank mutant mice (ank/ank) with attenuated ANK function. Micro-computed tomography and histological analysis showed that loss of ANK function results in the aberrant annulus fibrosus mineralization and peripheral disc fusions with cranial to caudal progression in the spine. Vertebrae in ank mice exhibit elevated cortical bone mass and increased tissue non-specific alkaline phosphatase-positive endplate chondrocytes with decreased subchondral endplate porosity. The acellular dystrophic mineral inclusions in the annulus fibrosus were localized adjacent to apoptotic cells and cells that acquired osteoblast-like phenotype. Fourier transform infrared spectral imaging showed that the apatite mineral in the outer annulus fibrosus had similar chemical composition to that of vertebral bone. Transcriptomic analysis of annulus fibrosus and nucleus pulposus tissues showed changes in several biological themes with a prominent dysregulation of BMAL1/CLOCK circadian regulation. The present study provides new insights into the role of ANK in the disc tissue compartments and highlights the importance of local inorganic pyrophosphate metabolism in inhibiting the mineralization of this important connective tissue.
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Affiliation(s)
- Takashi Ohnishi
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, 060-8638, Japan
| | - Victoria Tran
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Kimheak Sao
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Pranay Ramteke
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - William Querido
- Department of Bioengineering, Temple University, Philadelphia, PA, 19122, USA
| | - Ruteja A Barve
- Department of Genetics, Genome Technology Access Centre at the McDonnell Genome Institute, Washington University, School of Medicine, St. Louis, MO, 63110, USA
| | - Koen van de Wetering
- Department of Dermatology and Cutaneous Biology, Jefferson Institute of Molecular Medicine and PXE International Center of Excellence in Research and Clinical Care, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Makarand V Risbud
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA.
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Elhamouly M, Nii T, Isobe N, Yoshimura Y. Aging-associated increased nitric oxide production is a potential cause of inferior eggshell quality produced by aged laying hens. Theriogenology 2023; 205:63-72. [PMID: 37086586 DOI: 10.1016/j.theriogenology.2023.04.007] [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: 01/20/2023] [Revised: 03/15/2023] [Accepted: 04/06/2023] [Indexed: 04/24/2023]
Abstract
It is important to prolong the productive life of laying hens without compromising their welfare. Therefore, in this study, we aimed to identify the cause for inferior quality egg production of aged hens by investigating the aging-associated molecular changes related to eggshell formation in the isthmic and uterine mucosae and determining whether nitric oxide plays a role in decreasing the quality of eggs produced by aged hens. Young (35 weeks old) and aged (130 weeks old) White Leghorn laying hens were used in this study to determine the effects of age on the expression of proteins related to eggshell membranes formation in the isthmus and eggshell biomineralization and nitric oxide production in the uterus. Nitric oxide synthesis during the ovulatory cycle was examined in twenty-five laying hens (46-52 weeks old) euthanized at 0, 4, 7, 16, and 24 h after oviposition. S-Nitroso-N-acetylpenicillamine (a nitric oxide donor) was added to the cultured isthmic and uterine mucosal cells to examine the effects of nitric oxide on the expression of genes related to eggshell membranes formation and eggshell biomineralization, respectively. The results showed that the protein abundance of collagen I and V in the isthmic mucosa and collagen V in the eggshell membranes were lower in aged hens than in young hens. The mRNA expression levels of calbindin, osteopontin, and ovocalyxin-36 and the protein abundance of calbindin and carbonic anhydrase-2 were lower in the uterine mucosa of aged hens than in that of young hens. Nitric oxide synthesis was higher in the uterine mucosa of aged hens than in that of young hens. Nitric oxide downregulated the mRNA expression levels of osteopontin and ovocalyxin-36 in cultured uterine mucosal cells. Our results indicated that the eggshell quality decreases with aging due to molecular changes in the uterine mucosa affecting the eggshell membrane formation and eggshell biomineralization. Moreover, nitric oxide overproduction may play a role in this dysfunction.
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Affiliation(s)
- M Elhamouly
- Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt; Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, 739-8528, Japan
| | - T Nii
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, 739-8528, Japan
| | - N Isobe
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, 739-8528, Japan
| | - Y Yoshimura
- Hiroshima Study Center, The Open University of Japan, Hiroshima, 730-0053, Japan.
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Han C, Chen Y, Shi L, Chen H, Li L, Ning Z, Zeng D, Wang D. Advances in eggshell membrane separation and solubilization technologies. Front Vet Sci 2023; 10:1116126. [PMID: 37008347 PMCID: PMC10060898 DOI: 10.3389/fvets.2023.1116126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/20/2023] [Indexed: 03/18/2023] Open
Abstract
Eggshell membranes (ESM) contain 90% protein, 3% lipids, 2% sugars, and small amounts of minerals such as calcium and magnesium. Of the 90% of proteins present, 472 proteins species have been identified. ESM provide the initial mineralization platform for eggshell formation, and can be used for to produce adsorbents, cosmetics, and medical products because of their special physical structure and chemical composition. The special physical structure of the eggshell membrane, with disulfide bonds between and within the protein molecules and the cross-linking of lysine-derived and heterochain chains between the eggshell membrane, makes the membrane very difficult to dissolve, with a maximum solubility rate of only 62%. Also, the insolubility of ESM limits its development and use also any related research. Based on the physical structure and chemical composition of the eggshell membrane, this paper reviews the latest research on eggshell membrane separation and membrane protein solubilization to provide a reference for promoting the separation, dissolution, and rational development and use of the avian eggshell membrane.
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Affiliation(s)
- Chunhao Han
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Yifan Chen
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Lei Shi
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Hui Chen
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Lanhui Li
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - Zhonghua Ning
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Dan Zeng
- Hebei Layer Industry Technology Research Institute, Handan, China
| | - Dehe Wang
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
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Korowash SI, Sharifulden NSN, Ibrahim DM, Chau DY. Novel selenium and/or copper substituted hydroxyapatite-gelatin-chitosan-eggshell membrane nanocomposite scaffolds for bone tissue engineering applications. J Appl Biomater Funct Mater 2023; 21:22808000231187959. [PMID: 37776108 DOI: 10.1177/22808000231187959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2023] Open
Abstract
Limitations with the majority of bone therapeutic treatments include low availability, ethical constraints and low biological compatibility. Although a number of choice materials have been exploited successfully, there has always been scope for improvement as well as development of the next-generation of materials. Herein, scaffolds - developed from gelatin, chitosan and eggshell membranes - were crosslinked using tannic acid, and further infused with selenium and/or copper substituted hydroxyapatite nanoparticles to generate a novel nanocomposite substrate. FESEM images of the nanocomposite scaffolds revealed the presence of interconnected pores, mostly spread over the whole surface of the scaffold, alongside XRD and FTIR profiling that detailed the formation of hydroxyapatite as a sole phase. Moreover, physical characterisation of the nanocomposite confirmed that the hydroxyapatite particulates and the eggshell membrane fibres were uniformly distributed and contributed to the surface roughness of the scaffold. Biocompatibility and cytotoxicity of the novel constructs were assessed using the mouse-derived osteoblastic cell line, MC3T3-E1, and standard cell culture assays. Metabolic activity assessment (i.e. MTS assay), LDH-release profiles and Live/Dead staining demonstrated good cell adhesion, viability, and proliferation rates. Accordingly, this work summarises the successful development of a novel construct which may be exploited as a clinical/therapeutic treatment for bone repair as well as a possible translational application as a novel biomaterial for the drug development pipeline.
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Affiliation(s)
- Sara Ibrahim Korowash
- Department of Ceramics, National Research Centre, Cairo, Egypt
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
| | - Nik Sa Nik Sharifulden
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
| | | | - David Ys Chau
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
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Kulshreshtha G, Diep T, Hudson HA, Hincke MT. High value applications and current commercial market for eggshell membranes and derived bioactives. Food Chem 2022; 382:132270. [PMID: 35149473 DOI: 10.1016/j.foodchem.2022.132270] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 01/07/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022]
Abstract
Chicken eggshell membrane (ESM) is a highly insoluble structure that is greatly stabilized by extensive desmosine, isodesmosine, and disulfide cross-linkages. The ESM possesses numerous biological functions including anti-microbial, anti-inflammatory, anti-wrinkle, and antioxidant activities. The ESM is mainly proteinaceous; proteomics and bioinformatics analysis of ESM has identified > 500 proteins, such as collagens, glycoproteins, avian beta-defensins, and lysozyme. ESM also contains significant amounts of carbohydrate, including hyaluronic acid (HA). In general, HA plays an important role in tissue hydration and cellular mechanisms such as growth, differentiation, and transport, and has diverse health and medical applications. Despite ESM being rich in important bioactive compounds, it is often considered as a waste product of the egg-breaking industry and is under-utilized. A major challenge for the successful commercial exploitation of ESM and bioactive constituents is its limited solubility and bioavailability due to cross-linkages of ESM fibers. Various processing and extraction methods are employed to overcome these limitations and improve the production of HA and collagen-based ESM formats. Moreover, we believe that there is a wide scope to exploit ESM for novel applications, leading to new intellectual property (IP) and patenting opportunities. This review presents an overview of scientific background, IP landscape and current commercial market for ESM and derived bioactives including collagens and HA. A detailed literature survey is provided for each area of interest. We analyze regulatory guidelines for ESM, contrasting quality control / microbial safety assessment in cosmetics and personal care products (hazard based) with that of the food industry (risk-based). New perspectives for upcycling of ESM waste to commercially viable high-value biomaterials as nutraceutical supplements and as cosmetics ingredients are discussed. This overview of ESM separation techniques and applications could form the basis for directed research and product development in order to exploit the unique bioactivities of ESM.
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Affiliation(s)
- Garima Kulshreshtha
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ontario K1H 8M5, Canada
| | - Ty Diep
- Lyn Egg Production and Grading, Burnbrae Farms Limited, Lyn, Ontario K0E 1M0, Canada
| | - Helen-Anne Hudson
- Lyn Egg Production and Grading, Burnbrae Farms Limited, Lyn, Ontario K0E 1M0, Canada
| | - Maxwell T Hincke
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ontario K1H 8M5, Canada; Department of Innovation in Medical Education, Faculty of Medicine, University of Ottawa, Ontario, Canada.
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Shi Y, Zhou K, Li D, Guyonnet V, Hincke MT, Mine Y. Avian Eggshell Membrane as a Novel Biomaterial: A Review. Foods 2021; 10:foods10092178. [PMID: 34574286 PMCID: PMC8466381 DOI: 10.3390/foods10092178] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/07/2021] [Accepted: 09/10/2021] [Indexed: 12/20/2022] Open
Abstract
The eggshell membrane (ESM), mainly composed of collagen-like proteins, is readily available as a waste product of the egg industry. As a novel biomaterial, ESM is attractive for its applications in the nutraceutical, cosmetic, and pharmaceutical fields. This review provides the main information about the structure and chemical composition of the ESM as well as some approaches for its isolation and solubilization. In addition, the review focuses on the role and performance of bioactive ESM-derived products in various applications, while a detailed literature survey is provided. The evaluation of the safety of ESM is also summarized. Finally, new perspectives regarding the potential of ESM as a novel biomaterial in various engineering fields are discussed. This review provides promising future directions for comprehensive application of ESM.
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Affiliation(s)
- Yaning Shi
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (K.Z.); (D.L.)
- Correspondence: (Y.S.); (Y.M.)
| | - Kai Zhou
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (K.Z.); (D.L.)
| | - Dandan Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (K.Z.); (D.L.)
| | - Vincent Guyonnet
- FFI Consulting Ltd., 2488 Lyn Road, Brockville, ON K6V 5T3, Canada;
| | - Maxwell T. Hincke
- Department of Cellular and Molecular Medicine, University of Ottawa, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada;
| | - Yoshinori Mine
- Department of Food Science, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
- Correspondence: (Y.S.); (Y.M.)
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Beneficial effect on rapid skin wound healing through carboxylic acid-treated chicken eggshell membrane. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112350. [PMID: 34474899 DOI: 10.1016/j.msec.2021.112350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 07/13/2021] [Accepted: 07/26/2021] [Indexed: 01/05/2023]
Abstract
At the initial stage of wound healing, growth factors stimulate tissue regeneration by interacting with the extracellular matrix (ECM), leading to rapid wound repair and structural support. Chicken eggshell membrane (ESM) is a low-cost and highly functional ECM biomaterial for tissue regeneration. However, natural ESM has limitations for tissue engineering purposes because it is difficult to control the size, shape, and biocompatibility of the surfaces. To overcome this, blends of synthetic materials and natural ESMs, such as soluble eggshell membrane protein, are combined for biomaterial applications. Unfortunately, it is difficult to pattern fibrous structure. Here, we modified the natural chicken ESM through weak acid treatment to promote wound healing and skin regeneration without loss of fibrous structure. Treatment of citric acid and acetic acid reacted the amine or amide group with carboxyl groups (R-COOH) and achieved hydrophilicity for adherence of proliferating regenerative cells. Our in vitro study revealed that the modified ESM scaffolds significantly promoted human dermal fibroblasts adhesion, viability, proliferation, and cytokine secretion, compared with natural ESM. In addition, the modified ESM accelerated skin regeneration and enhanced the wound healing process even at early stages in an in vivo rat wound model. Collectively, the modified ESM performed best for promoting skin regeneration, cytokine secretion, epidermal cell proliferation, and controlling the inflammatory response both in vitro and in vivo.
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Yan JF, Qin WP, Xiao BC, Wan QQ, Tay FR, Niu LN, Jiao K. Pathological calcification in osteoarthritis: an outcome or a disease initiator? Biol Rev Camb Philos Soc 2020; 95:960-985. [PMID: 32207559 DOI: 10.1111/brv.12595] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 02/27/2020] [Accepted: 03/02/2020] [Indexed: 12/12/2022]
Abstract
In the progression of osteoarthritis, pathological calcification in the affected joint is an important feature. The role of these crystallites in the pathogenesis and progression of osteoarthritis is controversial; it remains unclear whether they act as a disease initiator or are present as a result of joint damage. Recent studies reported that the molecular mechanisms regulating physiological calcification of skeletal tissues are similar to those regulating pathological or ectopic calcification of soft tissues. Pathological calcification takes place when the equilibrium is disrupted. Calcium phosphate crystallites are identified in most affected joints and the presence of these crystallites is closely correlated with the extent of joint destruction. These observations suggest that pathological calcification is most likely to be a disease initiator instead of an outcome of osteoarthritis progression. Inhibiting pathological crystallite deposition within joint tissues therefore represents a potential therapeutic target in the management of osteoarthritis.
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Affiliation(s)
- Jian-Fei Yan
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Wen-Pin Qin
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Bo-Cheng Xiao
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Qian-Qian Wan
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Franklin R Tay
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China.,Department of Endodontics, College of Graduate Studies, Augusta University, 1430, John Wesley Gilbert Drive, Augusta, GA, 30912, U.S.A
| | - Li-Na Niu
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Kai Jiao
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
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10
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Arias JL, Fernandez MS. Role of extracellular matrix molecules in shell formation and structure. WORLD POULTRY SCI J 2019. [DOI: 10.1079/wps20010024] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- J. L. Arias
- Faculty of Veterinary and Animal Sciences, Universidad de Chile and Center for Advanced Interdisciplinary Research in Materials (CIMAT), Santiago, Chile
| | - M. S. Fernandez
- Faculty of Veterinary and Animal Sciences, Universidad de Chile and Center for Advanced Interdisciplinary Research in Materials (CIMAT), Santiago, Chile
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11
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Affiliation(s)
- I.C. Dunn
- Roslin Institute (Edinburgh), Roslin, Midlothian EH25 9PS, Scotland,
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12
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Gharibi H, Abdolmaleki A. Thermo-chemical modification of a natural biomembrane to induce mucoadhesion, pH sensitivity and anisotropic mechanical properties. J Mech Behav Biomed Mater 2018; 87:50-58. [PMID: 30032023 DOI: 10.1016/j.jmbbm.2018.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 10/28/2022]
Abstract
In the present study due to the distinctive mechanochemical/biological characteristics of natural biomembranes, we state the preparation, characterization and cytocompatibility of modified eggshell membrane (ESM) by citric acid (CA) for biomedical and pharmaceutical applications. FTIR spectroscopy and CHNS analysis demonstrated the successful reaction of ESM with CA. Also, successful modification of the ESM was observed by the change in thermogravimetric analysis. SEM micrographs of neat ESM and ESM-CA gave further insight into membranes morphology and revealed that aligned oriented fibrous frameworks were prepared using thermo-chemical process. The ESM-CA displayed dense and orderly shapes with tailorable architectures to mimic the intended tissue. Moreover, mechanical analyzes for ESM-CA indicated anisotropic mechanical properties and proved that the ESM-CA could induce enhanced mucoadhesion, because of the existence of an enormous amounts of functional groups. It was found that by modification of ESM the swelling behavior was significantly changed. Indomethacin release from the ESM-CA showed enhanced pH sensitivity. The modified membranes have clearly presented adequate mucoadhesion, pH sensitivity and cell viability which can be tailored for potential use in controlled lipophilic drug delivery systems and tissue engineering.
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Affiliation(s)
- Hamidreza Gharibi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Amir Abdolmaleki
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71467-13565, Islamic Republic of Iran.
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Ahmed TAE, Suso HP, Hincke MT. In-depth comparative analysis of the chicken eggshell membrane proteome. J Proteomics 2017; 155:49-62. [PMID: 28087451 DOI: 10.1016/j.jprot.2017.01.002] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 12/30/2016] [Accepted: 01/04/2017] [Indexed: 12/13/2022]
Abstract
The avian eggshell membrane (ESM) is stabilized by extensive cross-linkages, making the identification of its protein constituents technically challenging. Herein, we applied various extraction/solubilization conditions followed by proteomic analysis to characterize the protein constituents of ESM derived from the unfertilized chicken eggs. The egg white and eggshell proteomes (including previous published work) were determined and compared to ESM to identify proteins that are relatively or highly specific to ESM. Merging the results from different extraction/solubilization conditions with various proteomes allowed the identification of 472, 225, and 488 proteins in the ESM, egg white, and eggshell proteomes, respectively. Of these, 163 and 124 proteins were relatively or highly specific to ESM, respectively. GO term analysis of the common proteins and ESM unique proteins generated 8 and 9 significantly enriched functional groups, respectively. Different families of proteins that were identified as ESM-specific included collagens, CREMPs, histones, AvBDs, lysyl oxidase-like 2 (LOXL2), and ovocalyxin-36 (OCX36). These proteins serve as a foundation for the mechanically stable ESM that rests upon the egg white compartment and is a physical barrier against pathogen invasion. Overall, our results highlight the structural nature of the ESM constituents that are relevant to various biomedical applications, such as wound healing. BIOLOGICAL SIGNIFICANCE The eggshell membranes (ESM) are a highly resilient double-layered fibrous meshwork that is secreted while the forming egg transits a specialized oviduct segment, the white isthmus. The ESM protects against pathogen invasion and provides a platform for nucleation of the calcitic eggshell (ES). ESM is greatly stabilized by the extensive desmosine, isodesmosine and disulfide cross-linkages which make the identification of its protein constituents by standard proteomic approaches technically challenging. Comparative proteomic analyses of ESM, egg white, and ES proteins showed proteins groups that are relatively or highly specific to ESM. These groups of proteins serve as a foundation for the mechanically stable ESM that rests upon the egg white compartment and is a physical barrier against pathogen invasion. These features are essential for eggshell quality and for the prevention of pathogen invasion which reinforce food safety of the table egg.
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Affiliation(s)
- Tamer A E Ahmed
- Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technology Applications (SRTA-City), Alexandria, Egypt; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Maxwell T Hincke
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Department of Innovation in Medical Education, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
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Soluble eggshell membrane: A natural protein to improve the properties of biomaterials used for tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:807-821. [DOI: 10.1016/j.msec.2016.05.005] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 04/18/2016] [Accepted: 05/01/2016] [Indexed: 02/07/2023]
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Jayasuriya CT, Chen Y, Liu W, Chen Q. The influence of tissue microenvironment on stem cell-based cartilage repair. Ann N Y Acad Sci 2016; 1383:21-33. [PMID: 27464254 PMCID: PMC5599120 DOI: 10.1111/nyas.13170] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 06/07/2016] [Accepted: 06/13/2016] [Indexed: 12/26/2022]
Abstract
Mesenchymal stem/progenitor cells and induced pluripotent stem cells have become viable cell sources for prospective cell-based cartilage engineering and tissue repair. The development and function of stem cells are influenced by the tissue microenvironment. Specifically, the local tissue microenvironment can dictate how stem cells integrate into the existing tissue matrix and how successfully they can restore function to the damaged area in question. This review focuses on the microenvironmental features of articular cartilage and how they influence stem cell-based cartilage tissue repair. Also discussed are current tissue-engineering strategies used in combination with cell-based therapies, all of which are designed to mimic the natural properties of cartilage tissue in order to achieve a better healing response.
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Affiliation(s)
- Chathuraka T Jayasuriya
- Department of Orthopaedics, Alpert Medical School of Brown University/Rhode Island Hospital, Providence, Rhode Island.,Bone and Joint Research Center, The First Affiliated Hospital, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Yupeng Chen
- Department of Orthopaedics, Alpert Medical School of Brown University/Rhode Island Hospital, Providence, Rhode Island.,Bone and Joint Research Center, The First Affiliated Hospital, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Wenguang Liu
- Bone and Joint Research Center, The First Affiliated Hospital, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Qian Chen
- Department of Orthopaedics, Alpert Medical School of Brown University/Rhode Island Hospital, Providence, Rhode Island.,Bone and Joint Research Center, The First Affiliated Hospital, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
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Du J, Hincke MT, Rose-Martel M, Hennequet-Antier C, Brionne A, Cogburn LA, Nys Y, Gautron J. Identifying specific proteins involved in eggshell membrane formation using gene expression analysis and bioinformatics. BMC Genomics 2015; 16:792. [PMID: 26470705 PMCID: PMC4608100 DOI: 10.1186/s12864-015-2013-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/04/2015] [Indexed: 12/16/2022] Open
Abstract
Background The avian eggshell membranes surround the egg white and provide a structural foundation for calcification of the eggshell which is essential for avian reproduction; moreover, it is also a natural biomaterial with many potential industrial and biomedical applications. Due to the insoluble and stable nature of the eggshell membrane fibres, their formation and protein constituents remain poorly characterized. The purpose of this study was to identify genes encoding eggshell membrane proteins, particularly those responsible for its structural features, by analyzing the transcriptome of the white isthmus segment of the oviduct, which is the specialized region responsible for the fabrication of the membrane fibres. Results The Del-Mar 14 K chicken microarray was used to investigate up-regulated expression of transcripts in the white isthmus (WI) compared with the adjacent magnum (Ma) and uterine (Ut) segments of the hen oviduct. Analysis revealed 135 clones hybridizing to over-expressed transcripts (WI/Ma + WI/Ut), and corresponding to 107 NCBI annotated non-redundant Gallus gallus gene IDs. This combined analysis revealed that the structural proteins highly over-expressed in the white isthmus include collagen X (COL10A1), fibrillin-1 (FBN1) and cysteine rich eggshell membrane protein (CREMP). These results validate previous proteomics studies which have identified collagen X (α-1) and CREMP in soluble eggshell extracts. Genes encoding collagen-processing enzymes such as lysyl oxidase homologs 1, 2 and 3 (LOXL1, LOXL2 and LOXL3), prolyl 4 hydroxylase subunit α-2 and beta polypeptide (P4HA2 and P4HB) as well as peptidyl-prolyl cis-trans isomerase C (PPIC) were also over-expressed. Additionally, genes encoding proteins known to regulate disulfide cross-linking, including sulfhydryl oxidase (QSOX1) and thioredoxin (TXN), were identified which suggests that coordinated up-regulation of genes in the white isthmus is associated with eggshell membrane fibre formation. Conclusions The present study has identified genes associated with the processing of collagen, other structural proteins, and disulfide-mediated cross-linking during eggshell membrane formation in the white isthmus. Identification of these genes will provide new insight into eggshell membrane structure and mechanisms of formation that will assist in the development of selection strategies to improve eggshell quality and food safety of the table egg. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-2013-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jingwen Du
- Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Road, Ottawa, K1H 8 M5, Canada.
| | - Maxwell T Hincke
- Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Road, Ottawa, K1H 8 M5, Canada.
| | - Megan Rose-Martel
- Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Road, Ottawa, K1H 8 M5, Canada.
| | | | | | - Larry A Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, 19717, USA.
| | - Yves Nys
- INRA, UR83 Recherches Avicoles, F-37380, Nouzilly, France.
| | - Joel Gautron
- INRA, UR83 Recherches Avicoles, F-37380, Nouzilly, France.
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Aceto J, Nourizadeh-Lillabadi R, Marée R, Dardenne N, Jeanray N, Wehenkel L, Aleström P, van Loon JJWA, Muller M. Zebrafish Bone and General Physiology Are Differently Affected by Hormones or Changes in Gravity. PLoS One 2015; 10:e0126928. [PMID: 26061167 PMCID: PMC4465622 DOI: 10.1371/journal.pone.0126928] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 04/09/2015] [Indexed: 11/18/2022] Open
Abstract
Teleost fish such as zebrafish (Danio rerio) are increasingly used for physiological, genetic and developmental studies. Our understanding of the physiological consequences of altered gravity in an entire organism is still incomplete. We used altered gravity and drug treatment experiments to evaluate their effects specifically on bone formation and more generally on whole genome gene expression. By combining morphometric tools with an objective scoring system for the state of development for each element in the head skeleton and specific gene expression analysis, we confirmed and characterized in detail the decrease or increase of bone formation caused by a 5 day treatment (from 5dpf to 10 dpf) of, respectively parathyroid hormone (PTH) or vitamin D3 (VitD3). Microarray transcriptome analysis after 24 hours treatment reveals a general effect on physiology upon VitD3 treatment, while PTH causes more specifically developmental effects. Hypergravity (3g from 5dpf to 9 dpf) exposure results in a significantly larger head and a significant increase in bone formation for a subset of the cranial bones. Gene expression analysis after 24 hrs at 3g revealed differential expression of genes involved in the development and function of the skeletal, muscular, nervous, endocrine and cardiovascular systems. Finally, we propose a novel type of experimental approach, the "Reduced Gravity Paradigm", by keeping the developing larvae at 3g hypergravity for the first 5 days before returning them to 1g for one additional day. 5 days exposure to 3g during these early stages also caused increased bone formation, while gene expression analysis revealed a central network of regulatory genes (hes5, sox10, lgals3bp, egr1, edn1, fos, fosb, klf2, gadd45ba and socs3a) whose expression was consistently affected by the transition from hyper- to normal gravity.
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Affiliation(s)
- Jessica Aceto
- Laboratory for Organogenesis and Regeneration, GIGA- Research, University of Liège, B-4000, Liège, Sart-Tilman, Belgium
| | | | - Raphael Marée
- GIGA & Department of Electrical Engineering and Computer Science, University of Liège, Liège, Belgium
| | - Nadia Dardenne
- Unité de soutien méth. en Biostatistique et Epidémiologie, University of Liège, B23, Sart Tilman, Liège, Belgium
| | - Nathalie Jeanray
- Laboratory for Organogenesis and Regeneration, GIGA- Research, University of Liège, B-4000, Liège, Sart-Tilman, Belgium
| | - Louis Wehenkel
- GIGA & Department of Electrical Engineering and Computer Science, University of Liège, Liège, Belgium
| | - Peter Aleström
- BasAM, Norwegian University of Life Sciences, Vetbio, 0033 Dep, Oslo, Norway
| | - Jack J. W. A. van Loon
- DESC (Dutch Experiment Support Center), Department of Oral and Maxillofacial Surgery / Oral Pathology, VU University Medical Center & Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
- ESA-ESTEC, TEC-MMG, NL-2200 AG, Noordwijk, The Netherlands
| | - Marc Muller
- Laboratory for Organogenesis and Regeneration, GIGA- Research, University of Liège, B-4000, Liège, Sart-Tilman, Belgium
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Rose-Martel M, Smiley S, Hincke MT. Novel identification of matrix proteins involved in calcitic biomineralization. J Proteomics 2015; 116:81-96. [DOI: 10.1016/j.jprot.2015.01.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 01/01/2015] [Accepted: 01/03/2015] [Indexed: 02/06/2023]
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Chen W, Zhao F, Tian Z, Zhang H, Ruan D, Li Y, Wang S, Zheng C, Lin Y. Dietary calcium deficiency in laying ducks impairs eggshell quality by suppressing the process of shell biomineralization. J Exp Biol 2015; 218:3336-43. [DOI: 10.1242/jeb.124347] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 08/25/2015] [Indexed: 01/23/2023]
Abstract
The objective of this study was to determine the effects of dietary calcium deficiency on the process of shell formation. Four hundred and fifty female ducks (Anas platyrhynchos) of 22 wk were randomly assigned to 3 groups. Ducks were fed one of two calcium-deficient diets (containing 1.8% or 0.38% calcium, respectively) or a calcium-adequate control diet (containing 3.6% calcium) for 67 d (depletion period), and then ducks of the 3 groups were fed a calcium-adequate diet for an additional 67 d (repletion period). As compared with the calcium-adequate control, the average shell thickness, egg shell weight, breaking strength, mammillae density and mammillary knob thickness of shell from ducks that consumed the diet with 0.38% calcium was significantly decreased (P<0.05) during the depletion period, accompanied by reduced quality of shell and tibia. The mRNA expression of both secreted phosphoprotein 1 (SPP1) and carbonic anhydrase 2 (CA2) in uterus were decreased after feeding calcium-deficient diets (1.8% or 0.38% calcium). Transcripts of calbindin 1 (CALB1), an important protein responsible for calcium transport, and matrix protein gene ovocalyxin-32 (OCX-32) and ovocleidin-116 (OC-116) were reduced in the ducks fed 0.38% calcium but not the 1.8% calcium. Plasma estradiol concentration was decreased by both of the calcium-deficient diets (P<0.05). The impaired shell quality and suppressed functional proteins involved in shell formation could be reversed by repletion of dietary calcium. The results of the present study suggest that dietary calcium deficiency negatively affects the eggshell quality and eggshell microarchitecture probably through suppressing the process of shell biomineralization.
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Affiliation(s)
- W. Chen
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - F. Zhao
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - Z.M. Tian
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - H.X. Zhang
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - D. Ruan
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - Y. Li
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - S. Wang
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - C.T. Zheng
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
| | - Y.C. Lin
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- State Key Laboratory of Livestock and Poultry Breeding, Guangzhou 510640, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Guangzhou 510640, China
- Ministry of Agriculture Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China
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Marie P, Labas V, Brionne A, Harichaux G, Hennequet-Antier C, Nys Y, Gautron J. Quantitative proteomics and bioinformatic analysis provide new insight into protein function during avian eggshell biomineralization. J Proteomics 2014; 113:178-93. [PMID: 25284052 DOI: 10.1016/j.jprot.2014.09.024] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 09/25/2014] [Accepted: 09/26/2014] [Indexed: 01/12/2023]
Abstract
UNLABELLED Gallus gallus eggshell is a bioceramic composed of 95% calcium carbonate in calcitic form and 3.5% extracellular organic matrix. The calcification process occurs in the uterine fluid where biomineralization follows a temporal sequence corresponding to the initiation, growth and termination stages of crystal growth. Eggshell texture and its ultrastructure are regulated by organic matrix proteins, which control mineralization process and influence the eggshell biomechanical properties. We performed proteomic qualitative analyses and identified 308 uterine fluid proteins. Quantitative analysis showed differential abundances at the three stages of shell biomineralization for 64 of them. Cluster analysis revealed a first group of proteins related to mineralization and mainly present at the onset of calcification including OVOT, OVAL, OC-17, and two novel calcium binding proteins (EDIL3, MFGE8). A second group of proteins mainly present at the initiation and termination of shell formation was potentially involved in the regulation of the activity of the uterine fluid proteins (e.g. molecular chaperones, folding proteins, proteases and protease inhibitors). OCX21, a protein highly concentrated in the fluid and the shell, belongs to this group. A third group equally represented at all stages of shell mineralization corresponded to antibacterial proteins that could protect the forming egg against microbial invasion. BIOLOGICAL SIGNIFICANCE The calcitic avian eggshell protects the developing embryo and, moreover, ensures that the nutritious table egg remains free of pathogens. The eggshell is formed by nucleation upon a fibrous scaffold (the eggshell membranes) followed by an interaction between the growing mineral crystals and the shell organic matrix. This interaction leads to a highly ordered shell microstructure and texture which contribute to its exceptional mechanical properties. Shell mineralization occurs in three distinct phases of calcification (initiation, growth and termination), which are associated with distinct populations of matrix proteins that are secreted into the acellular uterine fluid as modulators of the process. The recent development of high-throughput methods has led to the identification of many proteins in the shell, but little is known concerning their role in shell formation. In order to determine precisely the importance of particular proteins relative to eggshell mineralization, this project used qualitative and quantitative proteomics of the uterine fluid constituents, coupled with bioinformatic analysis, to predict the functional role of proteins secreted at each of the three main stages of shell calcification. Besides its relevance to food production and to hen reproduction, eggshell calcification is furthermore a relevant model for studying calcium carbonate biomineralization on a two-dimensional membrane support. Better understanding of this process will provide insight into the fabrication of ceramics at ambient pressure and temperature.
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Affiliation(s)
- Pauline Marie
- INRA, UR83 Recherches Avicoles, Fonction et Régulation des Protéines de l'œuf, F-37380 Nouzilly, France
| | - Valérie Labas
- INRA, UMR INRA85, UMR CNRS 7247, Université de Tours, IFCE, Physiologie de la Reproduction et des Comportements, Plate-forme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, F-37380 Nouzilly, France
| | - Aurélien Brionne
- INRA, UR83 Recherches Avicoles, Fonction et Régulation des Protéines de l'œuf, F-37380 Nouzilly, France
| | - Grégoire Harichaux
- INRA, UMR INRA85, UMR CNRS 7247, Université de Tours, IFCE, Physiologie de la Reproduction et des Comportements, Plate-forme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, F-37380 Nouzilly, France
| | | | - Yves Nys
- INRA, UR83 Recherches Avicoles, Fonction et Régulation des Protéines de l'œuf, F-37380 Nouzilly, France
| | - Joël Gautron
- INRA, UR83 Recherches Avicoles, Fonction et Régulation des Protéines de l'œuf, F-37380 Nouzilly, France.
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Baláž M. Eggshell membrane biomaterial as a platform for applications in materials science. Acta Biomater 2014; 10:3827-43. [PMID: 24681370 DOI: 10.1016/j.actbio.2014.03.020] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 03/17/2014] [Accepted: 03/20/2014] [Indexed: 01/13/2023]
Abstract
Eggshell membrane (ESM) is a unique biomaterial, which is generally considered as waste. However, it has extraordinary properties which can be utilized in various fields and its potential applications are therefore now being widely studied. The first part of this review focuses on the chemical composition and morphology of ESM. The main areas of ESM application are discussed in the second part. These applications include its utilization as a biotemplate for the synthesis of nanoparticles; as a sorbent of heavy metals, organics, dyes, sulfonates and fluorides; as the main component of biosensors; in medicine; and various other applications. For each area of interest, a detailed literature survey is given.
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Guru PS, Dash S. Sorption on eggshell waste--a review on ultrastructure, biomineralization and other applications. Adv Colloid Interface Sci 2014; 209:49-67. [PMID: 24456801 DOI: 10.1016/j.cis.2013.12.013] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 12/19/2013] [Accepted: 12/19/2013] [Indexed: 11/26/2022]
Abstract
The structure, adsorption behavior and applications of eggshell waste materials have been reviewed. The ultrastructure of eggshell particles has been discussed to understand the pore structure as well as the surface geometry of the materials leading to its multifarious applicability. Besides, the ultrastructure studies give full information regarding the chemical constituents of egghell particles as well as eggshell membranes. The process of biomineralization in living organisms, their consequent effect of controlling the formation of inorganic-organic composites propelling their application in biomimetic designing of advanced composites with optimized novel properties leading to advances in materials design have been discussed. Utilization of eggshell waste materials for the removal of organic dyes and heavy inorganic ions has been reviewed with suitable models for understanding their adsorption quality and capacity. The applications of these materials in various fields of research have been extensively discussed.
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Jones GN, Moschidou D, Abdulrazzak H, Kalirai BS, Vanleene M, Osatis S, Shefelbine SJ, Horwood NJ, Marenzana M, De Coppi P, Bassett JD, Williams GR, Fisk NM, Guillot PV. Potential of human fetal chorionic stem cells for the treatment of osteogenesis imperfecta. Stem Cells Dev 2014; 23:262-76. [PMID: 24028330 PMCID: PMC3904514 DOI: 10.1089/scd.2013.0132] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 09/12/2013] [Indexed: 12/13/2022] Open
Abstract
Osteogenesis imperfecta (OI) is a genetic bone pathology with prenatal onset, characterized by brittle bones in response to abnormal collagen composition. There is presently no cure for OI. We previously showed that human first trimester fetal blood mesenchymal stem cells (MSCs) transplanted into a murine OI model (oim mice) improved the phenotype. However, the clinical use of fetal MSC is constrained by their limited number and low availability. In contrast, human fetal early chorionic stem cells (e-CSC) can be used without ethical restrictions and isolated in high numbers from the placenta during ongoing pregnancy. Here, we show that intraperitoneal injection of e-CSC in oim neonates reduced fractures, increased bone ductility and bone volume (BV), increased the numbers of hypertrophic chondrocytes, and upregulated endogenous genes involved in endochondral and intramembranous ossification. Exogenous cells preferentially homed to long bone epiphyses, expressed osteoblast genes, and produced collagen COL1A2. Together, our data suggest that exogenous cells decrease bone brittleness and BV by directly differentiating to osteoblasts and indirectly stimulating host chondrogenesis and osteogenesis. In conclusion, the placenta is a practical source of stem cells for the treatment of OI.
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Affiliation(s)
- Gemma N. Jones
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
| | - Dafni Moschidou
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
| | - Hassan Abdulrazzak
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
| | - Bhalraj Singh Kalirai
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
| | - Maximilien Vanleene
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Suchaya Osatis
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
| | | | - Nicole J. Horwood
- Kennedy Institute of Rheumatology, Imperial College London, London, United Kingdom
| | - Massimo Marenzana
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Paolo De Coppi
- Surgery Unit, UCL Institute of Child Health, London, United Kingdom
| | - J.H. Duncan Bassett
- Molecular Endocrinology Group, Department of Medicine, Imperial College London, London, United Kingdom
| | - Graham R. Williams
- Molecular Endocrinology Group, Department of Medicine, Imperial College London, London, United Kingdom
| | - Nicholas M. Fisk
- UQ Centre for Clinical Research, University of Queensland, Brisbane, Australia
| | - Pascale V. Guillot
- Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom
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Yorgan T, Rendenbach C, Jeschke A, Amling M, Cheah KSE, Schinke T. Increased Col10a1 expression is not causative for the phenotype of Phex-deficient Hyp mice. Biochem Biophys Res Commun 2013; 442:209-13. [PMID: 24269824 DOI: 10.1016/j.bbrc.2013.11.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Accepted: 11/07/2013] [Indexed: 12/25/2022]
Abstract
X-linked hypophosphatemic rickets (XLHR) is a severe disorder of phosphate homeostasis and skeletal mineralization caused by mutations of PHEX, encoding a bone-specific endopeptidase. Phex-deficient Hyp mice have been extensively studied to understand the molecular bases of XLHR, and here it was found that Fgf23, encoding a major phosphaturic hormone, was transcriptionally activated in bone-forming osteoblasts. We and others could additionally show that Col10a1 expression is increased in Hyp osteoblasts and bones, thereby raising the possibility that ectopic production of type X collagen could contribute to the impaired mineralization of the Hyp bone matrix. Here we show that an additional deficiency of the Col10a1 gene does not overtly affect the skeletal phenotype of Hyp mice. More specifically, Col10a1-deficient Hyp mice displayed severe disturbances of skeletal growth, bone mass acquisition and bone matrix mineralization, and they were essentially indistinguishable from Hyp littermates. This was confirmed by non-decalcified histology and bone-specific histomorphometry quantifying all relevant parameters of growth plate maturation, trabecular bone architecture and osteoid accumulation. Taken together, our results show that increased Col10a1 expression in Phex-deficient osteoblasts is not a major cause of the XLHR phenotype, which was an important issue to address based on the previous findings.
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Affiliation(s)
- Timur Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg, Germany
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Seitz S, Rendenbach C, Barvencik F, Streichert T, Jeschke A, Schulze J, Amling M, Schinke T. Retinol deprivation partially rescues the skeletal mineralization defects of Phex-deficient Hyp mice. Bone 2013; 53:231-8. [PMID: 23266491 DOI: 10.1016/j.bone.2012.12.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 12/10/2012] [Accepted: 12/12/2012] [Indexed: 12/24/2022]
Abstract
X-linked hypophosphatemic rickets (XLH) is a genetic disorder caused by mutational inactivation of the PHEX gene, encoding a transmembrane endopeptidase expressed in osteoblasts. Since several experiments involving Phex-deficient Hyp mice have demonstrated that an increased expression of Fgf23 in osteoblasts is causative for the renal phosphate loss characteristic of XLH, we performed genome-wide expression analysis to compare differentiated osteoblasts from wildtype and Hyp mice. Here we did not only observe the expected increase of Fgf23 expression in the latter ones, but also a differential expression of genes that are either induced by or involved in retinoic acid signaling, which led us to analyze whether dietary retinol deprivation would influence the phenotype of Hyp mice. Unexpectedly, feeding a retinol-free diet resulted in a partial rescue of the growth plate and bone mineralization defects in 6 weeks old Hyp mice. When we fed the same diet for 24 weeks the amount of non-mineralized bone matrix (osteoid) was reduced by more than 70%, although phosphate homeostasis was unaffected. In contrast, a dietary normalization of serum phosphate levels in Hyp mice reduced the osteoid amount by less than 30%, thereby demonstrating a previously unknown impact of retinol on the cell-autonomous mineralization defect of Phex-deficient osteoblasts.
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Affiliation(s)
- Sebastian Seitz
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany
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Chang MT, Cheng YS, Huang MC. A novel non-synonymous SNP of the COLX gene and its association with duck reproductive traits. Mol Cell Probes 2012; 26:204-7. [DOI: 10.1016/j.mcp.2012.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 05/14/2012] [Accepted: 05/23/2012] [Indexed: 11/30/2022]
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Li F, Lu Y, Ding M, Napierala D, Abbassi S, Chen Y, Duan X, Wang S, Lee B, Zheng Q. Runx2 contributes to murine Col10a1 gene regulation through direct interaction with its cis-enhancer. J Bone Miner Res 2011; 26:2899-910. [PMID: 21887706 PMCID: PMC3222790 DOI: 10.1002/jbmr.504] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We have recently shown that a 150-bp Col10a1 distal promoter (-4296 to -4147 bp) is sufficient to direct hypertrophic chondrocyte-specific reporter (LacZ) expression in vivo. More recently, through detailed sequence analysis we identified two putative tandem-repeat Runx2 binding sites within the 3'-end of this 150-bp region (TGTGGG-TGTGGC, -4187 to -4176 bp). Candidate electrophoretic mobility shift assay (EMSA), chromatin immunoprecipitation, and transfection studies demonstrate that these putative Runx2 sites bind Runx2 and mediate upregulated Col10a1/reporter activity in vitro. Transgenic studies using the 5'-sequence without Runx2 sites were not able to drive the cell-specific LacZ reporter activity, suggesting the in vivo requirement of the Runx2 sites located in the 3'-end in mediating Col10a1/reporter expression. Indeed, mutating the Runx2 sites in the context of the 150-bp promoter abolishes its capacity to drive hypertrophic chondrocyte-specific reporter expression in transgenic mice. We have also generated multiple transgenic mouse lines using only the 3'-sequence containing the Runx2 sites to drive the LacZ gene. Interestingly, no hypertrophic chondrocyte-specific blue staining was observed in these transgenic mice. Together, our data support that Runx2 directly interacts with murine Col10a1 cis-enhancer. This interaction is required but not sufficient for cell-specific Col10a1 promoter activity in vivo. Additional cooperative/repressive elements within the 5'- or 3'-sequences of this 150-bp promoter are needed to work with Runx2 together to mediate cell-specific Col10a1 expression. Further delineation of these elements/factors has the potential to identify novel therapeutic targets for multiple skeletal disorders, including osteoarthritis, that show abnormal Col10a1 expression and altered chondrocyte maturation.
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Affiliation(s)
- Feifei Li
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, USA
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Subtleties of biomineralisation revealed by manipulation of the eggshell membrane. Biomaterials 2011; 32:8743-52. [PMID: 21864897 DOI: 10.1016/j.biomaterials.2011.08.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Accepted: 08/04/2011] [Indexed: 11/22/2022]
Abstract
Biocalcification of collagen matrices with calcium phosphate and biosilicification of diatom frustules with amorphous silica are two discrete processes that have intrigued biologists and materials scientists for decades. Recent advancements in the understanding of the mechanisms involved in these two biomineralisation processes have resulted in the use of biomimetic strategies to replicate these processes separately using polyanionic, polycationic or zwitterionic analogues of extracellular matrix proteins to stabilise amorphous mineral precursor phases. To date, there is a lack of a universal model that enables the subtleties of these two apparently dissimilar biomineralisation processes to be studied together. Here, we utilise the eggshell membrane as a universal model for differential biomimetic calcification and silicification. By manipulating the eggshell membrane to render it permeable to stabilised mineral precursors, it is possible to introduce nanostructured calcium phosphate or silica into eggshell membrane fibre cores or mantles. We provide a model for infiltrating the two compartmental niches of a biopolymer membrane with different intrafibre minerals to obtain materials with potentially improved structure-property relationships.
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Cabeza M, Cambero M, de la Hoz L, García M, Ordóñez J. Effect of the thermoultrasonic treatment on the eggshell integrity and their impact on the microbial quality. INNOV FOOD SCI EMERG 2011. [DOI: 10.1016/j.ifset.2011.01.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kodali VK, Gannon SA, Paramasivam S, Raje S, Polenova T, Thorpe C. A novel disulfide-rich protein motif from avian eggshell membranes. PLoS One 2011; 6:e18187. [PMID: 21479176 PMCID: PMC3068167 DOI: 10.1371/journal.pone.0018187] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2011] [Accepted: 02/22/2011] [Indexed: 12/19/2022] Open
Abstract
Under the shell of a chicken egg are two opposed proteinaceous disulfide-rich membranes. They are fabricated in the avian oviduct using fibers formed from proteins that are extensively coupled by irreversible lysine-derived crosslinks. The intractability of these eggshell membranes (ESM) has slowed their characterization and their protein composition remains uncertain. In this work, reductive alkylation of ESM followed by proteolytic digestion led to the identification of a cysteine rich ESM protein (abbreviated CREMP) that was similar to spore coat protein SP75 from cellular slime molds. Analysis of the cysteine repeats in partial sequences of CREMP reveals runs of remarkably repetitive patterns. Module a contains a C-X(4)-C-X(5)-C-X(8)-C-X(6) pattern (where X represents intervening non-cysteine residues). These inter-cysteine amino acid residues are also strikingly conserved. The evolutionarily-related module b has the same cysteine spacing as a, but has 11 amino acid residues at its C-terminus. Different stretches of CREMP sequences in chicken genomic DNA fragments show diverse repeat patterns: e.g. all a modules; an alternation of a-b modules; or an a-b-b arrangement. Comparable CREMP proteins are found in contigs of the zebra finch (Taeniopygia guttata) and in the oviparous green anole lizard (Anolis carolinensis). In all these cases the long runs of highly conserved modular repeats have evidently led to difficulties in the assembly of full length DNA sequences. Hence the number, and the amino acid lengths, of CREMP proteins are currently unknown. A 118 amino acid fragment (representing an a-b-a-b pattern) from a chicken oviduct EST library expressed in Escherichia coli is a well folded, highly anisotropic, protein with a large chemical shift dispersion in 2D solution NMR spectra. Structure is completely lost on reduction of the 8 disulfide bonds of this protein fragment. Finally, solid state NMR spectra suggest a surprising degree of order in intact ESM fibers.
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Affiliation(s)
- Vamsi K. Kodali
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, United States of America
| | - Shawn A. Gannon
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, United States of America
| | - Sivakumar Paramasivam
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, United States of America
| | - Sonali Raje
- Department of Chemistry, Towson University, Towson, Maryland, United States of America
| | - Tatyana Polenova
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, United States of America
| | - Colin Thorpe
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, United States of America
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Umlauf D, Frank S, Pap T, Bertrand J. Cartilage biology, pathology, and repair. Cell Mol Life Sci 2010; 67:4197-211. [PMID: 20734104 PMCID: PMC11115553 DOI: 10.1007/s00018-010-0498-0] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2010] [Revised: 07/27/2010] [Accepted: 08/04/2010] [Indexed: 02/07/2023]
Abstract
Osteoarthritis is one of the most common forms of musculoskeletal disease and the most prominent type of arthritis encountered in all countries. Although great efforts have been made to investigate cartilage biology and osteoarthritis pathology, the treatment has lagged behind that of other arthritides, as there is a lack of effective disease-modifying therapies. Numerous approaches for dealing with cartilage degradation have been tried, but enjoyed very little success to develop approved OA treatments with not only symptomatic improvement but also structure-modifying effect. In this review we discuss the most recent findings regarding the regulation of cartilage biology and pathology and highlight their potential therapeutic values.
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Affiliation(s)
- Daniel Umlauf
- Institute of Experimental Musculoskeletal Medicine IEMM, University Hospital Muenster, Domagkstrasse 3, 48149 Muenster, Germany
| | - Svetlana Frank
- Institute of Experimental Musculoskeletal Medicine IEMM, University Hospital Muenster, Domagkstrasse 3, 48149 Muenster, Germany
| | - Thomas Pap
- Institute of Experimental Musculoskeletal Medicine IEMM, University Hospital Muenster, Domagkstrasse 3, 48149 Muenster, Germany
| | - Jessica Bertrand
- Institute of Experimental Musculoskeletal Medicine IEMM, University Hospital Muenster, Domagkstrasse 3, 48149 Muenster, Germany
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33
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Determination of insoluble avian eggshell matrix proteins. Anal Bioanal Chem 2009; 397:205-214. [PMID: 19998026 DOI: 10.1007/s00216-009-3326-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2009] [Revised: 11/03/2009] [Accepted: 11/16/2009] [Indexed: 10/20/2022]
Abstract
The organic components of bones and other mineralized tissues have a high impact on the organization and deposition of calcium, and consequently influence the mechanical properties of those tissues. The extractable proteins of avian eggshells have been studied extensively and many of them have been identified; insoluble (non-extractable) proteins have been sparsely studied, however. In the work discussed in this paper we studied EDTA-insoluble proteins by gradual decalcification of eggshell with EDTA. The insoluble proteinaceous films were chemically treated with cyanogen bromide and the mixtures of large fragments obtained were gradually precipitated with salt. The separated fractions were digested with trypsin and analyzed by HPLC-MS-MS (ion trap mass spectrometer). Analysis of the entire eggshell matrix (without precipitation steps) only enabled 6 proteins to be determined (ovocalyxins 32 and 36, ovocleidin 17 and 116, clusterin, and ovalbumin). Pretreatment of the individual eggshell layers and gradual precipitation with salt markedly increased the number of proteins identified - 28 proteins were determined. We identified for the first time collagens I (two chains) and III in the eggshell matrix, and Kunitz-like protease inhibitor as a major shell matrix protein. Besides the above mentioned proteins we can also mention EDIL3, fibronectin, sulfhydryl oxidase, tubulin alpha 1, lysozyme, Dickkopf-related protein 3, keratins, and ovotransferrin. The relative abundances of proteins in all eggshell layers were determined using the exponentially modified protein abundance index (emPAI). In the cuticle layer seven proteins were identified, whereas 16 proteins were described in the palisade layer and 23 in the mammillary layer.
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Sum C, Mohanty S, Gupta PK, Kishen A. Influence of endodontic chemical treatment on Enterococcus faecalis adherence to collagen studied with laser scanning confocal microscopy and optical tweezers: a preliminary study. JOURNAL OF BIOMEDICAL OPTICS 2008; 13:044017. [PMID: 19021345 DOI: 10.1117/1.2957972] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Failure of endodontic treatment is commonly associated with the presence of Enterococcus faecalis. Studies have highlighted that E. faecalis can form a calcified biofilm in tough environmental conditions, such as within root canals. The aims of this study were to investigate the effects of chemicals used in root-canal disinfection on the adherence of E. faecalis to collagen, as well as to estimate the force of adhesion between E. faecalis and collagen after such treatment. The number of adhering bacteria after chemical treatment was determined using confocal laser scanning microscopy-based adherence assay. It was found that the calcium hydroxide-treated group had a statistically significant (p=0.05) increase in the population of bacteria adhering. The adhesion force between bacteria and collagen of the treatment group with the highest number of bacteria adhering was determined by using optical tweezers (1064 nm) and Equipartitition theorem-based stiffness measurements. The presence of calcium hydroxide was found to significantly increase the bacterium-collagen adhesion force. These experiments highlighted the potential advantage of using optical tweezers to study bacteria-substrate interactions. The findings from the present study suggests that the presence of calcium hydroxide increased the adhesion force and adherence of E. faecalis to type-I collagen.
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Affiliation(s)
- CheePeng Sum
- National University of Singapore, Department of Restorative Dentistry, Faculty of Dentistry, 5 Lower Kent Ridge Rd., Singapore 119074
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35
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Arias JI, Gonzalez A, Fernandez MS, Gonzalez C, Saez D, Arias JL. Eggshell membrane as a biodegradable bone regeneration inhibitor. J Tissue Eng Regen Med 2008; 2:228-35. [DOI: 10.1002/term.87] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ha YW, Son MJ, Yun KS, Kim YS. Relationship between eggshell strength and keratan sulfate of eggshell membranes. Comp Biochem Physiol A Mol Integr Physiol 2007; 147:1109-15. [PMID: 17466551 DOI: 10.1016/j.cbpa.2007.03.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2006] [Revised: 03/16/2007] [Accepted: 03/24/2007] [Indexed: 10/23/2022]
Abstract
Eggshell strength is an important factor in an effort to minimize eggshell breakage, which is a significant problem in the egg production industry. In the current study, we isolated and quantified the specific glycosaminoglycans (GAGs) from the calcified eggshell and shell membranes, which are related to eggshell strength. Our data suggest that GAGs exist in calcified eggshell may influence morphology of shell but do not affect on increase of shell amount while GAGs of shell membranes are maybe highly associated with shell strength with an increase of shell weight. Shell strength showed a strong correlation with the content of GAGs (r=0.942, p<0.0005) and a weak relationship with uronic acid content (r=0.564, p=0.056) in shell membranes. Monosaccharides in shell membranes were determined by Bio-LC analysis for the identification of any specific GAGs related with shell strength. It indicates that the galactose content as a component of keratan sulfate (KS) has a significant correlation with eggshell strength (r=0.985, p<0.0005). These results suggest that eggshell strength is proportional to the KS content of eggshell membranes with an increase of eggshell weight.
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Affiliation(s)
- Young Wan Ha
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 28 Yeonkun-Dong, Jongno-Ku, Seoul 110-460, Republic of Korea
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Abstract
PURPOSE OF REVIEW Physiological mineralization is necessary for the formation of skeletal tissues and for their appropriate functions during adulthood. Pathological or ectopic mineralization of soft tissues, including articular cartilage and cardiovascular tissues, leads to morbidity and mortality. Recent findings suggest that the mechanisms and factors regulating physiological mineralization may be identical or similar to those regulating ectopic mineralization. Therefore, the purpose of this review is to describe the current knowledge of mechanisms and determinants that regulate physiological mineralization and how these determinants can be used to understand ectopic mineralization better. RECENT FINDINGS Recent findings have indicated that physiological and pathological mineralization are initiated by matrix vesicles, membrane-enclosed particles released from the plasma membrane of mineralization-competent cells. An understanding of how these vesicles initiate the physiological mineralization process may provide novel therapeutic strategies to prevent ectopic mineralization. In addition, other regulators (activators and inhibitors) of physiological mineralization have been identified and characterized, and evidence indicates that the same factors also contribute to the regulation of ectopic mineralization. Finally, programmed cell death (apoptosis) may be a contributor to physiological mineralization, and if occurring after tissue injury may induce ectopic mineralization and mineralization-related differentiation events in the injured area and surrounding areas. SUMMARY This review describes how the understanding of mechanisms and factors regulating physiological mineralization can be used to develop new therapeutic strategies to prevent pathological or ectopic mineralization events.
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Affiliation(s)
- Thorsten Kirsch
- Musculoskeletal Research Laboratories, Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA.
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Fernandez MS, Passalacqua K, Arias JI, Arias JL. Partial biomimetic reconstitution of avian eggshell formation. J Struct Biol 2004; 148:1-10. [PMID: 15363783 DOI: 10.1016/j.jsb.2004.05.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2003] [Revised: 05/07/2004] [Indexed: 11/18/2022]
Abstract
The avian eggshell is a biocomposite ceramic consisting of minute amounts of organic matrix and a crystalline calcium carbonate (calcite) filler. It is formed by a well regulated spatio-temporal assembling process, where extracellular matrix proteins, especially the sulfated glycosaminoglycan anionic sites of specific proteoglycans, have been involved in nucleation and growth of the inorganic crystalline phase. Together with such extracellular matrix molecules, the activity of carbonic anhydrase, is crucial for the normal eggshell formation. Here, we studied the effect of dermatan sulfate and carbonic anhydrase on the in vitro calcification of non-mineralized eggshell membrane-mammillae substrate at different pH and incubation times. Crystal morphology was analyzed by scanning electron microscopy. Crystal nucleation and growth was delayed at lower pH. Dermatan sulfate modified crystal morphology producing aggregates of large calcite crystals exhibiting a columnar morphology, contributing to the eggshell texture development. Carbonic anhydrase increased the velocity of crystal growth and eventually contributed to the fusion of the crystal aggregates to each other. Although, the effect of other macromolecules could not be ruled out, the combinatory effect of proteoglycans and carbonic anhydrase seems to be important for the control of eggshell formation.
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Affiliation(s)
- M S Fernandez
- Faculty of Veterinary and Animal Sciences, University of Chile, Santiago
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Leng T, Miller JM, Bilbao KV, Palanker DV, Huie P, Blumenkranz MS. The chick chorioallantoic membrane as a model tissue for surgical retinal research and simulation. Retina 2004; 24:427-34. [PMID: 15187666 DOI: 10.1097/00006982-200406000-00014] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
PURPOSE We describe the use of chick chorioallantoic membrane (CAM) as a model system for the study of the precision and safety of vitreoretinal microsurgical instruments and techniques. METHODS The CAM was prepared for experimentation with and without its inner shell membrane (ISM) attached for in vivo and in vitro experiments that simulated medical and surgical interventions on the retina. RESULTS The CAM's ease of use, low cost, and anatomic structure make it a convenient model for surgical retinal and retinal vascular modeling. CONCLUSION While CAM has been used extensively in the past for ocular angiogenesis studies, we describe the tissue as a useful tool for a variety of other applications, including (1) testing of novel surgical tools and techniques for cutting and coagulating retina and its vasculature, (2) testing vessel cannulation and injection techniques, (3) angiographic studies, and (4) endoscopic surgery.
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Affiliation(s)
- Theodore Leng
- Department of Ophthalmology, Stanford University School of Medicine, Stanford, California 94305, USA
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Fernandez MS, Escobar C, Lavelin I, Pines M, Arias JL. Localization of osteopontin in oviduct tissue and eggshell during different stages of the avian egg laying cycle. J Struct Biol 2003; 143:171-80. [PMID: 14572472 DOI: 10.1016/j.jsb.2003.08.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The avian eggshell is an acellular bioceramic containing organic and inorganic phases that are sequentially assembled during the time the egg moves along the oviduct. As it has been demonstrated in other mineralized tissues, mineralization of the eggshell is regulated by extracellular matrix proteins especially the anionic side chains of proteoglycans. Among them, osteopontin has been found in the avian eggshell and oviduct. However, its precise localization in the eggshell or in different oviduct regions during eggshell formation, nor its function have been established. By using anti-osteopontin antibody (OPN 1), we studied its immunolocalization in the isthmus, red isthmus and shell gland of the oviduct, and in the eggshell during formation. In the eggshell, osteopontin was localized in the core of the non-mineralized shell membrane fibers, in the base of the mammillae and in the outermost part of the palisade. In the oviduct, OPN 1 was localized in the ciliated epithelial but not in the tubular gland cells of the isthmus, in the ciliated epithelial cells of the red isthmus, and in the non-ciliated epithelial cells of the shell gland. The occurrence of osteopontin in each of the oviduct regions, coincided with the concomitant presence of the egg in such region. Considering the reported inhibitory function of osteopontin in other mineralized systems, together with its main occurrence in the non-mineralized parts of the eggshell and at the outermost part of the shell, suggests that this molecule could be part of the mechanism regulating the eggshell calcification.
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Affiliation(s)
- M S Fernandez
- Faculty of Veterinary and Animal Sciences and Center for Advanced Interdisciplinary Research in Materials (CIMAT), University of Chile, Santiago, Chile
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Durmuş E, Celik I, Ozturk A, Ozkan Y, Aydin MF. Evaluation of the potential beneficial effects of ostrich eggshell combined with eggshell membranes in healing of cranial defects in rabbits. J Int Med Res 2003; 31:223-30. [PMID: 12870376 DOI: 10.1177/147323000303100309] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Potential beneficial effects of outer and inner ostrich eggshell membranes alone and in combination with the shell powder on bone regeneration in cranial defects of 18 rabbits were investigated using radiological, clinical and histological methods. Three 6 mm wide, half-thickness defects were made in the calvarial bones of each rabbit. One defect remained empty as a control; prepared eggshell membranes were extended across the other two defects; and prepared eggshell powder was inserted inside the membrane in one case. Either alone or in combination with eggshell powder, the outer and inner ostrich eggshell membranes produced little adjunctive effect under the conditions and duration of this experiment.
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Affiliation(s)
- E Durmuş
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Selcuk, Selçuklu/Konya, Turkey.
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Wang X, Ford BC, Praul CA, Leach RM. Collagen X expression in oviduct tissue during the different stages of the egg laying cycle. Poult Sci 2002; 81:805-8. [PMID: 12079047 DOI: 10.1093/ps/81.6.805] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The purpose of this investigation was to study the expression of type X collagen in the hen's oviduct. Type X collagen is a short-chain collagen that is present in the fibers of eggshell membranes, and there is evidence to suggest that it contributes to structural integrity. In situ hybridization and Northern blot analysis were used to study the expression of this important matrix constituent. The results demonstrated that gene expression was predominantly in the tubular gland cells of the isthmus segment of the oviduct. In contrast to observations with other matrix proteins, such as parathyroid hormone-related peptide and osteopontin, gene expression did not fluctuate with the position of the egg in the oviduct.
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Affiliation(s)
- X Wang
- Department of Poultry Science, The Pennsylvania State University, University Park, Pennsylvania 16802-3501, USA
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Ishikawa SI, Suyama K, Arihara K, Itoh M. Uptake and recovery of gold ions from electroplating wastes using eggshell membrane. BIORESOURCE TECHNOLOGY 2002; 81:201-206. [PMID: 11800486 DOI: 10.1016/s0960-8524(01)00134-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The animal byproduct, hen eggshell membrane (ESM), was evaluated for its ability to sorb gold ions (dicyanoaurate(I) and tetrachloroaurate(III)) from solutions and electroplating wastewater. The gold uptake was dependent on pH, temperature and co-ions present in the solutions, with pH 3.0 being the optimum value. The equilibrium data followed the Langmuir isotherm model with maximum capacities of 147 mg Au(I)/g dry weight and 618 mg Au(III)/g, respectively. Desorption of sorbed gold(I) with 0.1 mol/l NaOH resulted in no changes of the biosorbent gold uptake capacity through five consecutive sorption/desorption cycles. In column experiments, selective recovery of gold from electroplating wastewater containing various metal ions was noted. The affinity of metal sorption was in the order Au > Ag > Co > Cu > Pb > Ni > Zn.
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Affiliation(s)
- Shin-ichi Ishikawa
- Department of Applied Bioorganic Chemistry, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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A dominant interference collagen X mutation disrupts hypertrophic chondrocyte pericellular matrix and glycosaminoglycan and proteoglycan distribution in transgenic mice. THE AMERICAN JOURNAL OF PATHOLOGY 2001; 159:2257-69. [PMID: 11733375 PMCID: PMC1850580 DOI: 10.1016/s0002-9440(10)63076-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Collagen X transgenic (Tg) mice displayed skeleto-hematopoietic defects in tissues derived by endochondral skeletogenesis.(1) Here we demonstrate that co-expression of the transgene product containing truncated chicken collagen X with full-length mouse collagen X in a cell-free translation system yielded chicken-mouse hybrid trimers and truncated chicken homotrimers; this indicated that the mutant could assemble with endogenous collagen X and thus had potential for dominant interference. Moreover, species-specific collagen X antibodies co-localized the transgene product with endogenous collagen X to hypertrophic cartilage in growth plates and ossification centers; proliferative chondrocytes also stained diffusely. Electron microscopy revealed a disrupted hexagonal lattice network in the hypertrophic chondrocyte pericellular matrix in Tg growth plates, as well as altered mineral deposition. Ruthenium hexamine trichloride-positive aggregates, likely glycosaminoglycans (GAGs)/proteoglycans (PGs), were also dispersed throughout the chondro-osseous junction. These defects likely resulted from transgene co-localization and dominant interference with endogenous collagen X. Moreover, altered GAG/PG distribution in growth plates of both collagen X Tg and null mice was confirmed by a paucity of staining for hyaluronan and heparan sulfate PG. A provocative hypothesis links the disruption of the collagen X pericellular network and GAG/PG decompartmentalization to the potential locus for hematopoietic failure in the collagen X mice.
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Dupoirieux L, Pourquier D, Picot MC, Neves M. Comparative study of three different membranes for guided bone regeneration of rat cranial defects. Int J Oral Maxillofac Surg 2001; 30:58-62. [PMID: 11289623 DOI: 10.1054/ijom.2000.0011] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The purpose of the study was to compare the efficacy of a non-resorbable polytetrafluoroethylene (e-PTFE) membrane (Gore-Tex) versus a resorbable polyglactin membrane (Vicryl) and a newly designed collagenic membrane for enhancing bone regeneration on rat skull defects. The study was conducted on 30 adult Wistar rats. On each animal, two symmetrical, 6 mm wide, full-thickness, skull defects were created in the parietal regions. The right defect was chosen as the experimental site and the left one was left empty as a control. Each experimental site was covered by an inner and outer membrane. The 30 rats were divided into three groups: In group 1 (n=10), a non-resorbable polytetrafluoroethylene (e-PTFE) membrane was used. In group 2 (n= 10), a resorbable polyglactin 910 membrane was used. In group 3 (n= 10), a collagen membrane processed from avian eggshell was used. In each group, the animals were euthanized at 60 days. The harvested specimens were processed for contact radiography and standard histological examination. The results were assessed by a Fisher's exact test. In group 1, partial bone healing was observed in seven out of 10 animals and complete in three out of 10 animals (P<0.001). In group 2, no or minimal bone healing was observed in seven out of 10 animals and partial bone healing was observed in three out of 10 animals. In group 3, no or minimal bone healing was observed in nine out of 10 cases and partial bone healing in only one animal. In conclusion, only the non-resorbable e-PTFE membrane group exhibited a favourable result in this study. This study suggests that the structure of the membrane is at least as important as its composition.
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Affiliation(s)
- L Dupoirieux
- Institute of Surgical Research, Montpellier, France.
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Soledad Fernandez M, Moya A, Lopez L, Arias JL. Secretion pattern, ultrastructural localization and function of extracellular matrix molecules involved in eggshell formation. Matrix Biol 2001; 19:793-803. [PMID: 11223339 DOI: 10.1016/s0945-053x(00)00128-1] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The chicken eggshell is a composite bioceramic containing organic and inorganic phases. The organic phase contains, among other constituents, type X collagen and proteoglycans (mammillan, a keratan sulfate proteoglycan, and ovoglycan, a dermatan sulfate proteoglycan), whose localization depends on a topographically defined and temporally regulated deposition. Although the distribution of these macromolecules in the eggshell has been well established, little is known about their precise localization within eggshell substructures and oviduct cells or their pattern of production and function during eggshell formation. By using immunofluorescent and immuno-ultrastructural analyses, we examined the distribution of these macromolecules in oviduct cells at different post-oviposition times. To understand the role of proteoglycan sulfation on eggshell formation, we studied the effects of inhibition of proteoglycan sulfation by treatment with sodium chlorate. We showed that these macromolecules are produced by particular oviduct cell populations and at precise post-oviposition times. Based on the precise ultrastructural localization of these macromolecules in eggshell substructures, the timing of the secretion of these macromolecules by oviduct cells and the effects on eggshell formation caused by the inhibition of proteoglycan sulfation, the putative role of mammillan is in the nucleation of the first calcite crystals, while that of ovoglycan is to regulate the growth and orientation of the later forming crystals of the chicken eggshell.
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Affiliation(s)
- M Soledad Fernandez
- Faculty of Veterinary and Animal Sciences, Universidad de Chile and Center for Advanced Interdisciplinary Research in Materials (CIMA), Santiago, Chile.
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Dennis JE, Carrino DA, Yamashita K, Caplan AI. Monoclonal antibodies to mineralized matrix molecules of the avian eggshell. Matrix Biol 2000; 19:683-92. [PMID: 11102757 DOI: 10.1016/s0945-053x(00)00118-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
The extracellular matrix of the mineralizing eggshell contains molecules hypothesized to be regulators of biomineralization. To study eggshell matrix molecules, a bank of monoclonal antibodies was generated that bound demineralized eggshell matrix or localized to oviduct epithelium. Immunofluorescence staining revealed several staining patterns for antibodies that recognized secretory cells: staining for a majority of columnar lining cells, staining for a minor sub-set of columnar lining cells, intensified staining within epithelial crypts, and staining of the entire tubular gland. Western blotting with the antibody Epi2 on eggshell matrix showed binding to molecules with the apparent molecular weight of eggshell matrix dermatan sulfate proteoglycan (eggshell DSPG). Immunoblots of cyanogen bromide-cleaved eggshell DSPG revealed broad band of reactivity that shifted to 25 kDa after chondroitinase digestion; indicating that the Epi2 binding site is located on a fragment which contains dermatan sulfate side chains. Immunogold labeling showed that Epi2 binds to secretory vesicles within the non-ciliated cells of the columnar epithelium, while the antibodies Tg1 and Tg2 bind to secretory vesicles of tubular gland cells. Immunogold labeling of demineralized shell matrix showed binding of Epi2, Tg1, and Tg2 to the matrix of the palisade layer, and showed little reactivity to other regions of the shell matrix. Quantification of the immunogold particles within the eggshell matrix revealed that antibodies Epi2 and Tg1 bind all calcified regions equally while antibody Tg2 has a greater affinity for the baseplate region of the calcium reserve assembly.
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Affiliation(s)
- J E Dennis
- Skeletal Research Center, Department of Biology, Case Western Reserve University, 2080 Adelbert Rd., Cleveland, OH 44106-7080, USA.
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Kirsch T, Harrison G, Golub EE, Nah HD. The roles of annexins and types II and X collagen in matrix vesicle-mediated mineralization of growth plate cartilage. J Biol Chem 2000; 275:35577-83. [PMID: 10956650 DOI: 10.1074/jbc.m005648200] [Citation(s) in RCA: 152] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Annexins II, V, and VI are major components of matrix vesicles (MV), i.e. particles that have the critical role of initiating the mineralization process in skeletal tissues. Furthermore, types II and X collagen are associated with MV, and these interactions mediated by annexin V stimulate Ca(2+) uptake and mineralization of MV. However, the exact roles of annexin II, V, and VI and the interaction between annexin V and types II and X collagen in MV function and initiation of mineralization are not well understood. In this study, we demonstrate that annexin II, V, or VI mediate Ca(2+) influx into phosphatidylserine (PS)-enriched liposomes, liposomes containing lipids extracted from authentic MV, and intact authentic MV. The annexin Ca(2+) channel blocker, K-201, not only inhibited Ca(2+) influx into fura-2-loaded PS-enriched liposomes mediated by annexin II, V, or VI, but also inhibited Ca(2+) uptake by authentic MV. Types II and X collagen only bound to liposomes in the presence of annexin V but not in the presence of annexin II or VI. Binding of these collagens to annexin V stimulated its Ca(2+) channel activities, leading to an increased Ca(2+) influx into the liposomes. These findings indicate that the formation of annexin II, V, and VI Ca(2+) channels in MV together with stimulation of annexin V channel activity by collagen (types II and X) binding can explain how MV are able to rapidly take up Ca(2+) and initiate the formation of the first crystal phase.
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Affiliation(s)
- T Kirsch
- Departments of Anatomy/Histology and Biochemistry, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Abstract
The matrix proteins that participate in crystalization fulfill important functions during the formation of the calcified tissues and contribute to the biomechanical properties of the mature product. We suggest that osteopontin (OPN) is part of an array of macromolecules synthesized and secreted by the cells adjacent to the mineralization front that self-assemble outside the cell and direct crystal formation. The OPN meets the theoretical requirements for involvement in the mineralization process. The phosphorylated residues of acidic phosphoprotein have been shown to exist in the protein as reactive monoesters that are available for interaction with other ions, among them crystal constituents such as calcium ions. In addition, sulfation of OPN was also found to be associated with mineralization of other tissues. In contrast to the calbindin gene, whose expression is dependent on the calcium flux, the regulation of OPN synthesis is at least in part dependent on the mechanical strain imposed by the resident egg. These results demonstrate the complexity of the regulation of the matrix genes governing eggshell formation.
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Affiliation(s)
- I Lavelin
- Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
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Fujioka H, Thakur R, Wang GJ, Mizuno K, Balian G, Hurwitz SR. Comparison of surgically attached and non-attached repair of the rat Achilles tendon-bone interface. Cellular organization and type X collagen expression. Connect Tissue Res 1998; 37:205-18. [PMID: 9862222 DOI: 10.3109/03008209809002440] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The effects of surgical repair versus non-repair on cell morphology and type X collagen expression were investigated using a rat model of Achilles tendon avulsion. The animals were divided into four groups. In Group 1, tendon was reattached to the original attachment site by suturing through a drill hole in the calcaneus; in Group II, tendon was not reattached and a drill hole was not made; in Group III, tendon was not reattached but a drill hole was made; and the animals in Group IV were sham operated. In Group I (tendon reattached), at 2 weeks postoperatively, many hypertrophic chondrocytes appeared at the reattachment site adjacent to bone and type X collagen was detected immunologically both in the cells and in the extracellular matrix. After 4 weeks, the cells at the original site of attachment were arranged in rows along the newly formed tendon fibers and were stained with type X collagen antibody. By contrast, when tendon was not reattached (Groups II and III), a gap between the original attachment site and the tendon stump was observed through the entire postoperative period. At 8 weeks, the original attachment site was covered by fibrocartilaginous tissue and tendon became attached to the calcaneal fibrocartilage area, which is proximal to the original attachment site. Type X collagen was detected in the cells which were adjacent to bone. In Group IV (sham operation), there were no changes in histology or type X collagen distribution, either at the attachment site or in tendon and bone, compared with the non-operated control rats. These results suggest that surgical reattachment of tendon to the original site is important to help reorganize cells during the repair process. Type X collagen was identified immunohistochemically in the cells adjacent to bone in all the groups, suggesting that it may play a role in maintaining distinct areas of calcified and non-calcified fibrocartilage.
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Affiliation(s)
- H Fujioka
- Department of Orthopaedic Surgery, University of Virginia School of Medicine, Charlottesville 22908, USA
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