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Nahle S, Lutet-Toti C, Namikawa Y, Piet MH, Brion A, Peyroche S, Suzuki M, Marin F, Rousseau M. Organic Matrices of Calcium Carbonate Biominerals Improve Osteoblastic Mineralization. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024; 26:539-549. [PMID: 38652191 DOI: 10.1007/s10126-024-10316-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/10/2024] [Indexed: 04/25/2024]
Abstract
Many organisms incorporate inorganic solids into their tissues to improve functional and mechanical properties. The resulting mineralized tissues are called biominerals. Several studies have shown that nacreous biominerals induce osteoblastic extracellular mineralization. Among them, Pinctada margaritifera is well known for the ability of its organic matrix to stimulate bone cells. In this context, we aimed to study the effects of shell extracts from three other Pinctada species (Pinctada radiata, Pinctada maxima, and Pinctada fucata) on osteoblastic extracellular matrix mineralization, by using an in vitro model of mouse osteoblastic precursor cells (MC3T3-E1). For a better understanding of the Pinctada-bone mineralization relationship, we evaluated the effects of 4 other nacreous mollusks that are phylogenetically distant and distinct from the Pinctada genus. In addition, we tested 12 non-nacreous mollusks and one extra-group. Biomineral shell powders were prepared, and their organic matrix was partially extracted using ethanol. Firstly, the effect of these powders and extracts was assessed on the viability of MC3T3-E1. Our results indicated that neither the powder nor the ethanol-soluble matrix (ESM) affected cell viability at low concentrations. Then, we evaluated osteoblastic mineralization using Alizarin Red staining and we found a prominent MC3T3-E1 mineralization mainly induced by nacreous biominerals, especially those belonging to the Pinctada genus. However, few non-nacreous biominerals were also able to stimulate the extracellular mineralization. Overall, our findings validate the remarkable ability of CaCO3 biomineral extracts to promote bone mineralization. Nevertheless, further in vitro and in vivo studies are needed to uncover the mechanisms of action of biominerals in bone.
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Affiliation(s)
- Sarah Nahle
- Jean Monnet University Saint-Étienne, INSERM, Mines Saint Etienne, SAINBIOSE U1059, Saint-Étienne, France
| | - Camille Lutet-Toti
- Biogeosciences Laboratory, UMR CNRS-EPHE 6282, University of Burgundy, Dijon, France
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Yuto Namikawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Marie-Hélène Piet
- UMR 7365 CNRS-University of Lorraine, Molecular Engineering & Articular Pathophysiology (IMoPA), Vandœuvre-lès-Nancy, France
| | - Alice Brion
- Laboratory of Genome Structure and Instability, National Museum of Natural History (MNHN), INSERM, U1154, CNRS UMR7196, Paris, France
| | - Sylvie Peyroche
- Jean Monnet University Saint-Étienne, INSERM, Mines Saint Etienne, SAINBIOSE U1059, Saint-Étienne, France
| | - Michio Suzuki
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Frédéric Marin
- Biogeosciences Laboratory, UMR CNRS-EPHE 6282, University of Burgundy, Dijon, France
| | - Marthe Rousseau
- Jean Monnet University Saint-Étienne, INSERM, Mines Saint Etienne, SAINBIOSE U1059, Saint-Étienne, France.
- UMR5510 MATEIS, CNRS, University of Lyon, INSA-Lyon, Lyon, France.
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Lutet-Toti C, Da Silva Feliciano M, Debrosse N, Thomas J, Plasseraud L, Marin F. Diverting the Use of Hand-Operated Tablet Press Machines to Bioassays: A Novel Protocol to Test 'Waste' Insoluble Shell Matrices. Methods Protoc 2024; 7:30. [PMID: 38668137 PMCID: PMC11053508 DOI: 10.3390/mps7020030] [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: 02/22/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/29/2024] Open
Abstract
To mineralize their shells, molluscs secrete a complex cocktail of proteins-collectively defined as the calcifying shell matrix-that remains occluded in the exoskeleton. Nowadays, protein extracts from shells are recognized as a potential source of bioactive substances, among which signalling molecules, bactericides or protease inhibitors offer the most tangible perspectives in applied sciences, health, and aquaculture. However, one technical obstacle in testing the activity of shell extracts lies in their high insolubility. In this paper, we present a protocol that circumvents this impediment. After an adapted shell protein extraction and the production of two organic fractions-one soluble, one insoluble-we employ a hand-operated tablet press machine to generate well-calibrated tablets composed of 100% insoluble shell matrix. FT-IR monitoring of the quality of the tablets shows that the pressure used in the press machine does not impair the molecular properties of the insoluble extracts. The produced tablets can be directly tested in different biological assays, such as the bactericidal inhibition zone assay in Petri dish, as illustrated here. Diverting the use of the hand-operated tablet press opens new perspectives in the analysis of insoluble shell matrices, for discovering novel bioactive components.
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Affiliation(s)
- Camille Lutet-Toti
- UMR CNRS-uB-EPHE 6282 ‘Biogéosciences’, Université de Bourgogne, 21000 Dijon, France
- Dipartimento di Chimica “Giacomo Ciamician”, Alma Mater Studiorum Università di Bologna, 40126 Bologna, Italy
| | | | - Nelly Debrosse
- UMR CNRS-uB-EPHE 6282 ‘Biogéosciences’, Université de Bourgogne, 21000 Dijon, France
| | - Jérôme Thomas
- UMR CNRS-uB-EPHE 6282 ‘Biogéosciences’, Université de Bourgogne, 21000 Dijon, France
| | - Laurent Plasseraud
- Institut de Chimie Moléculaire de l’Université de Bourgogne, ICMUB UMR CNRS-uB 6302, 21000 Dijon, France;
| | - Frédéric Marin
- UMR CNRS-uB-EPHE 6282 ‘Biogéosciences’, Université de Bourgogne, 21000 Dijon, France
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Wilson BJ, Owston HE, Iqbal N, Giannoudis PV, McGonagle D, Pandit H, Philipose Pampadykandathil L, Jones E, Ganguly P. In Vitro Osteogenesis Study of Shell Nacre Cement with Older and Young Donor Bone Marrow Mesenchymal Stem/Stromal Cells. Bioengineering (Basel) 2024; 11:143. [PMID: 38391629 PMCID: PMC10886325 DOI: 10.3390/bioengineering11020143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
Bone void-filling cements are one of the preferred materials for managing irregular bone voids, particularly in the geriatric population who undergo many orthopedic surgeries. However, bone marrow mesenchymal stem/stromal cells (BM-MSCs) of older-age donors often exhibit reduced osteogenic capacity. Hence, it is crucial to evaluate candidate bone substitute materials with BM-MSCs from the geriatric population to determine the true osteogenic potential, thus simulating the clinical situation. With this concept, we investigated the osteogenic potential of shell nacre cement (SNC), a bone void-filling cement based on shell nacre powder and ladder-structured siloxane methacrylate, using older donor BM-MSCs (age > 55 years) and young donor BM-MSCs (age < 30 years). Direct and indirect cytotoxicity studies conducted with human BM-MSCs confirmed the non-cytotoxic nature of SNC. The standard colony-forming unit-fibroblast (CFU-F) assay and population doubling (PD) time assays revealed a significant reduction in the proliferation potential (p < 0.0001, p < 0.05) in older donor BM-MSCs compared to young donor BM-MSCs. Correspondingly, older donor BM-MSCs contained higher proportions of senescent, β-galactosidase (SA-β gal)-positive cells (nearly 2-fold, p < 0.001). In contrast, the proliferation capacity of older donor BM-MSCs, measured as the area density of CellTrackerTM green positive cells, was similar to that of young donor BM-MSCs following a 7-day culture on SNC. Furthermore, after 14 days of osteoinduction on SNC, scanning electron microscopy with energy-dispersive spectroscopy (SEM-EDS) showed that the amount of calcium and phosphorus deposited by young and older donor BM-MSCs on SNC was comparable. A similar trend was observed in the expression of the osteogenesis-related genes BMP2, RUNX2, ALP, COL1A1, OMD and SPARC. Overall, the results of this study indicated that SNC would be a promising candidate for managing bone voids in all age groups.
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Affiliation(s)
- Bridget Jeyatha Wilson
- Division of Dental Products, Department of Biomaterial Science and Technology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695 012, India
| | - Heather Elizabeth Owston
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
| | - Neelam Iqbal
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
| | - Peter V Giannoudis
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
- Leeds Orthopaedic & Trauma Sciences, Leeds General Infirmary, University of Leeds, Leeds LS2 9JT, UK
- Leeds Musculoskeletal Biomedical Research Centre, Chapel Allerton Hospital, Leeds LS7 4SA, UK
| | - Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
- Leeds Musculoskeletal Biomedical Research Centre, Chapel Allerton Hospital, Leeds LS7 4SA, UK
| | - Hemant Pandit
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
- Leeds Musculoskeletal Biomedical Research Centre, Chapel Allerton Hospital, Leeds LS7 4SA, UK
| | - Lizymol Philipose Pampadykandathil
- Division of Dental Products, Department of Biomaterial Science and Technology, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695 012, India
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
| | - Payal Ganguly
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
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González JA, Vallejo JR. The Use of Shells of Marine Molluscs in Spanish Ethnomedicine: A Historical Approach and Present and Future Perspectives. Pharmaceuticals (Basel) 2023; 16:1503. [PMID: 37895974 PMCID: PMC10609972 DOI: 10.3390/ph16101503] [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: 09/04/2023] [Revised: 10/14/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Since ancient times, the shells of marine molluscs have been used as a therapeutic and/or prophylactic resource. In Spain, they were part of practical guides for doctors or pharmacists until the 19th century. In general, seashells were prepared by dissolving in vinegar and were part of plasters or powders used as toothpaste, or to treat dyspepsia, heartburn and leprosy. Thus, the nacre or mother-of-pearl of various molluscs was regularly used in the Royal Colleges of Surgery and in hospitals during the times of the Cortes of Cadiz, as a medicine in galenic preparations based on powders. In contemporary Spanish ethnomedicine, seashells, with a high symbolic value, have been used as an amulet to prevent cracks in the breasts and promote their development during lactation, to avoid teething pain in young children, to eliminate stains on the face or to cure erysipelas. But, as in other countries, products derived from seashells have also been empirically applied. The two resources used traditionally have been the cuttlebone, the internal shell of cuttlefish and the nacre obtained from the external shells of some species. Cuttlebone, dried and pulverised, has been applied externally to cure corneal leukoma and in dental hygiene. In the case of nacre, a distinction must be made between chemical and physical remedies. Certain seashells, macerated in lemon juice, were used in coastal areas to remove spots on the face during postpartum. However, the most common practice in Spain mainland was to dissolve mother-of-pearl buttons in lemon juice (or vinegar). The substance thus obtained has been used to treat different dermatological conditions of the face (chloasma, acne), as well as to eliminate freckles. For the extraction of foreign bodies in the eyes, a very widespread traditional remedy has been to introduce small mother-of-pearl buttons under the lid. These popular remedies and practices are compared with those collected in classic works of medicine throughout history, and data on the pharmacological activity and pharmaceutical applications of the products used are provided. The use of cuttlebone powders is supported by different works on anti-inflammatory, immune-modulatory and/or wound healing properties. Nacre powder has been used in traditional medicines to treat palpitations, convulsions or epilepsy. As sedation and a tranquilisation agent, nacre is an interesting source for further drug development. Likewise, nacre is a biomaterial for orthopaedic and other tissue bioengineering applications. This article is a historical, cultural and anthropological view that can open new epistemological paths in marine-derived product research.
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Affiliation(s)
- José A. González
- Grupo de Investigación de Recursos Etnobiológicos del Duero-Douro (GRIRED), Facultad de Biología, Universidad de Salamanca, E-37071 Salamanca, Spain
| | - José Ramón Vallejo
- Departamento de Anatomía Patológica, Biología Celular, Histología, Historia de la Ciencia, Medicina Legal y Forense y Toxicología, Área de Historia de la Ciencia, Facultad de Medicina, Universidad de Cádiz, E-11003 Cádiz, Spain;
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Shi X, Li X, Tian Y, Qu X, Zhai S, Liu Y, Jia W, Cui Y, Chu S. Physical, mechanical, and biological properties of collagen membranes for guided bone regeneration: a comparative in vitro study. BMC Oral Health 2023; 23:510. [PMID: 37481548 PMCID: PMC10362553 DOI: 10.1186/s12903-023-03223-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 07/11/2023] [Indexed: 07/24/2023] Open
Abstract
BACKGROUND To provide a reference for clinical selection of collagen membranes by analyzing the properties of three kinds of collagen membranes widely used in clinics: Bio-Gide membrane from porcine dermis (PD), Heal-All membrane from bovine dermis (BD), and Lyoplant membrane from bovine pericardium (BP). METHODS The barrier function of three kinds of collagen membranes were evaluated by testing the surface morphology, mechanical properties, hydrophilicity, and degradation rate of collagen membranes in collagenase and artificial saliva. In addition, the bioactivity of each collagen membrane as well as the proliferation and osteogenesis of MC3T3-E1 cells were evaluated. Mass spectrometry was also used to analyze the degradation products. RESULTS The BP membrane had the highest tensile strength and Young's modulus as well as the largest water contact angle. The PD membrane exhibited the highest elongation at break, the smallest water contact angle, and the lowest degradation weight loss. The BD membrane had the highest degradation weight loss, the highest number of proteins in its degradation product, the strongest effect on the proliferation of MC3T3-E1 cells, and the highest expression level of osteogenic genes. CONCLUSIONS The PD membrane is the best choice for shaping and maintenance time, while the BD membrane is good for osteogenesis, and the BP membrane is suitable for spatial maintenance. To meet the clinical requirements of guided bone regeneration, using two different kinds of collagen membranes concurrently to exert their respective advantages is an option worth considering.
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Affiliation(s)
- Xiaolu Shi
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Xianjing Li
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Ye Tian
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Xinyao Qu
- Department of Drug Clinical Trial, the Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Shaobo Zhai
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yang Liu
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Wei Jia
- Yongchang Community Health Service Center of Chaoyang District, Changchun, China
| | - Yan Cui
- Department of Dermatology and Venereology, First Hospital of Jilin University, Jilin University, Changchun, China.
| | - Shunli Chu
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China.
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Wu Y, Fu Y, Pan H, Chang C, Ao N, Xu H, Zhang Z, Hu P, Li R, Duan S, Li YY. Preparation and evaluation of stingray skin collagen/oyster osteoinductive composite scaffolds. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023:1-22. [PMID: 36644798 DOI: 10.1080/09205063.2023.2166338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The regeneration of bone defects is a major challenge for clinical orthopaedics. Herein, we designed and prepared a new type of bioactive material, using stingray skin collagen and oyster shell powder (OSP) as raw materials. A stingray skin collagen/oyster osteoinductive composite scaffold (Col-OSP) was prepared for the first time by genipin cross-linking, pore-forming and freeze-drying methods. These scaffolds were characterized by ATR-FTIR, SEM, compression, swelling, cell proliferation, cell adhesion, alkaline phosphatase activity, alizarin red staining and RT-PCR etc. The Col-OSP scaffold had an interconnected three-dimensional porous structure, and the mechanical properties of the Col-OSP composite scaffold were enhanced compared with Col, combining with the appropriate swelling rate and degradation rate, the scaffold was more in line with the requirements of bone tissue engineering scaffolds. The Col-OSP scaffold was non-toxic, promoted the proliferation, adhesion, and differentiation of MC3T3-E1 cells, and stimulated the osteogenesis-related genes expressions of osteocalcin (OCN), collagen type I (COL-I) and RUNX2 of MC3T3-E1 cells.
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Affiliation(s)
- Yue Wu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China.,R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Yingkun Fu
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Hongfu Pan
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Cong Chang
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Ningjian Ao
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Hui Xu
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Zhengnan Zhang
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Ping Hu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Riwang Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Shuxia Duan
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Yan Yan Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
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de Muizon CJ, Iandolo D, Nguyen DK, Al-Mourabit A, Rousseau M. Organic Matrix and Secondary Metabolites in Nacre. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2022; 24:831-842. [PMID: 36057751 DOI: 10.1007/s10126-022-10145-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Nacre, also called mother-of-pearl, is a naturally occurring biomineral, largely studied by chemists, structural biologists, and physicists to understand its outstanding and diverse properties. Nacre is constituted of aragonite nanograins surrounded by organic matrix, and it has been established that the organic matrix is responsible for initiating and guiding the biomineralization process. The first challenge to study the organic matrix of nacre lays in its separation from the biomineral. Several extraction methods have been developed so far. They are categorized as either strong (e.g., decalcification) or soft (e.g., water, ethanol) and they allow specific extractions of targeted compounds. The structure of the nacreous organic matrix is complex, and it provides interesting clues to describe the mineralization process. Proteins, sugars, lipids, peptides, and other molecules have been identified and their role in mineralization investigated. Moreover, the organic matrix of nacre has shown interesting properties for human health. Several studies are investigating its activity on bone mineralization and its properties for skin care. In this review, we focus on the organic constituents, as lipids, sugars, and small metabolites which are less studied since present in small quantities.
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Affiliation(s)
- Capucine Jourdain de Muizon
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, Gif-sur-Yvette, France
- STANSEA, Saint-Étienne, France
| | - Donata Iandolo
- UMR5510 MATEIS, CNRS, University of Lyon, INSA-Lyon, Lyon, France
- U1059 INSERM - SAINBIOSE (SAnté INgéniérie BIOlogie St-Etienne) Campus Santé Innovation, Université Jean Monnet, Saint-Priest-en-Jarez, France
| | - Dung Kim Nguyen
- U1059 INSERM - SAINBIOSE (SAnté INgéniérie BIOlogie St-Etienne) Campus Santé Innovation, Université Jean Monnet, Saint-Priest-en-Jarez, France
| | - Ali Al-Mourabit
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Marthe Rousseau
- UMR5510 MATEIS, CNRS, University of Lyon, INSA-Lyon, Lyon, France.
- U1059 INSERM - SAINBIOSE (SAnté INgéniérie BIOlogie St-Etienne) Campus Santé Innovation, Université Jean Monnet, Saint-Priest-en-Jarez, France.
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Feng X, Jiang S, Zhang F, Wang R, Zhao Y, Zeng M. Shell water-soluble matrix protein from oyster shells promoted proliferation, differentiation and mineralization of osteoblasts in vitro and vivo. Int J Biol Macromol 2022; 201:288-297. [PMID: 34998879 DOI: 10.1016/j.ijbiomac.2021.12.168] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/27/2021] [Accepted: 12/27/2021] [Indexed: 12/23/2022]
Abstract
Matrix protein is secreted by the membrane of bivalve shellfish to and used to regulate shell biomineralization. In this study, we extracted water-soluble matrix protein (WSMP) from oyster shells to investigate its effects on osteogenic differentiation and mineralization of MC3T3-E1 cells and osteoporosis rats. Our results suggested that WSMP was an acidic glycoprotein by amino acid analysis and secondary structure analysis. In vitro, WSMP could promote osteoblastic proliferation. Moreover, alkaline phosphatase (ALP) and osteocalcin (OCN) were increased, mineralized nodules were increased, and BMP-2 expression was up-regulated. Additionally, in vivo, tartrate-resistant acid phosphatase (TRAP) and Bone alkaline phosphatase (BALP) expressions in the medium-dose and high-dose groups were significantly decreased compared with the model group, while OCN expression was significantly increased. Bone mineral density (BMD) and bone mineral content (BMC) of bone recovered significantly. In summary, WSMP can promote the proliferation, differentiation and mineralization of osteoblasts in vitro and in vivo.
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Affiliation(s)
- Xue Feng
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Suisui Jiang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Fan Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Runfang Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Yuanhui Zhao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Mingyong Zeng
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
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Pei J, Wang Y, Zou X, Ruan H, Tang C, Liao J, Si G, Sun P. Extraction, Purification, Bioactivities and Application of Matrix Proteins From Pearl Powder and Nacre Powder: A Review. Front Bioeng Biotechnol 2021; 9:649665. [PMID: 33959598 PMCID: PMC8095667 DOI: 10.3389/fbioe.2021.649665] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/24/2021] [Indexed: 02/06/2023] Open
Abstract
Natural pearls are formed when sand or parasites (irritants) accidentally enter into the oyster body and form pearls under the cover of the nacre layer. Pearl powder is a powdery substance by grinding pearls into small grains, however, the nacre powder is the inner layer of outer corner layer and middle prism layer. Pearl medicine in China has a history of more than 2,000 years, pearl has the effects of calming the mind, clearing the eyes, detoxifying the muscle and so on. In this paper, the researches on the extraction of pearl powder and nacre powder, the isolation and purification of matrix protein and the various biological activities (osteogenic activity, antioxidant, anti-inflammatory, anti-apoptotic, promoting the migration of fibroblasts, and so on) are reviewed in detail. To provide readers with a faster understanding, the method of extraction and purification and the application of nacre powder and pearl powder are clearly presented in the form of figures and tables. In line with the concept of waste or by-product, there are more reports of nacre extract than pearl extract, due to the expensive and limited in origin of pearls. Mainly on the direct use of nacre powder and pearl powder or on the use of extracts (mainly water soluble proteins) through experiments in vivo or in vitro, and shows whether it is effective through the results of various indexes. There is no further study on substances other than extracts, and the structural analysis of extracts needs further exploration.
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Affiliation(s)
- Jingying Pei
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
| | - Yan Wang
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, China National Light Industry, Hangzhou, China
| | - Xianguo Zou
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, China National Light Industry, Hangzhou, China
| | - Huajun Ruan
- Zhejiang Fenix Health Science and Technology Co., Ltd., Zhuji, China
| | - Changming Tang
- Zhejiang Fenix Health Science and Technology Co., Ltd., Zhuji, China
| | - Jie Liao
- Zhejiang Fenix Health Science and Technology Co., Ltd., Zhuji, China
| | - Guangjie Si
- Zhejiang Fenix Health Science and Technology Co., Ltd., Zhuji, China
| | - Peilong Sun
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
- Key Laboratory of Food Macromolecular Resources Processing Technology Research, China National Light Industry, Hangzhou, China
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10
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Clark MS, Peck LS, Arivalagan J, Backeljau T, Berland S, Cardoso JCR, Caurcel C, Chapelle G, De Noia M, Dupont S, Gharbi K, Hoffman JI, Last KS, Marie A, Melzner F, Michalek K, Morris J, Power DM, Ramesh K, Sanders T, Sillanpää K, Sleight VA, Stewart-Sinclair PJ, Sundell K, Telesca L, Vendrami DLJ, Ventura A, Wilding TA, Yarra T, Harper EM. Deciphering mollusc shell production: the roles of genetic mechanisms through to ecology, aquaculture and biomimetics. Biol Rev Camb Philos Soc 2020; 95:1812-1837. [PMID: 32737956 DOI: 10.1111/brv.12640] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/17/2020] [Accepted: 07/17/2020] [Indexed: 12/20/2022]
Abstract
Most molluscs possess shells, constructed from a vast array of microstructures and architectures. The fully formed shell is composed of calcite or aragonite. These CaCO3 crystals form complex biocomposites with proteins, which although typically less than 5% of total shell mass, play significant roles in determining shell microstructure. Despite much research effort, large knowledge gaps remain in how molluscs construct and maintain their shells, and how they produce such a great diversity of forms. Here we synthesize results on how shell shape, microstructure, composition and organic content vary among, and within, species in response to numerous biotic and abiotic factors. At the local level, temperature, food supply and predation cues significantly affect shell morphology, whilst salinity has a much stronger influence across latitudes. Moreover, we emphasize how advances in genomic technologies [e.g. restriction site-associated DNA sequencing (RAD-Seq) and epigenetics] allow detailed examinations of whether morphological changes result from phenotypic plasticity or genetic adaptation, or a combination of these. RAD-Seq has already identified single nucleotide polymorphisms associated with temperature and aquaculture practices, whilst epigenetic processes have been shown significantly to modify shell construction to local conditions in, for example, Antarctica and New Zealand. We also synthesize results on the costs of shell construction and explore how these affect energetic trade-offs in animal metabolism. The cellular costs are still debated, with CaCO3 precipitation estimates ranging from 1-2 J/mg to 17-55 J/mg depending on experimental and environmental conditions. However, organic components are more expensive (~29 J/mg) and recent data indicate transmembrane calcium ion transporters can involve considerable costs. This review emphasizes the role that molecular analyses have played in demonstrating multiple evolutionary origins of biomineralization genes. Although these are characterized by lineage-specific proteins and unique combinations of co-opted genes, a small set of protein domains have been identified as a conserved biomineralization tool box. We further highlight the use of sequence data sets in providing candidate genes for in situ localization and protein function studies. The former has elucidated gene expression modularity in mantle tissue, improving understanding of the diversity of shell morphology synthesis. RNA interference (RNAi) and clustered regularly interspersed short palindromic repeats - CRISPR-associated protein 9 (CRISPR-Cas9) experiments have provided proof of concept for use in the functional investigation of mollusc gene sequences, showing for example that Pif (aragonite-binding) protein plays a significant role in structured nacre crystal growth and that the Lsdia1 gene sets shell chirality in Lymnaea stagnalis. Much research has focused on the impacts of ocean acidification on molluscs. Initial studies were predominantly pessimistic for future molluscan biodiversity. However, more sophisticated experiments incorporating selective breeding and multiple generations are identifying subtle effects and that variability within mollusc genomes has potential for adaption to future conditions. Furthermore, we highlight recent historical studies based on museum collections that demonstrate a greater resilience of molluscs to climate change compared with experimental data. The future of mollusc research lies not solely with ecological investigations into biodiversity, and this review synthesizes knowledge across disciplines to understand biomineralization. It spans research ranging from evolution and development, through predictions of biodiversity prospects and future-proofing of aquaculture to identifying new biomimetic opportunities and societal benefits from recycling shell products.
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Affiliation(s)
- Melody S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, U.K
| | - Lloyd S Peck
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, U.K
| | - Jaison Arivalagan
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Paris, France.,Proteomics Center of Excellence, Northwestern University, 710 N Fairbanks Ct, Chicago, IL, U.S.A
| | - Thierry Backeljau
- Royal Belgian Institute of Natural Sciences, Rue Vautier 29, Brussels, B-1000, Belgium.,Evolutionary Ecology Group, University of Antwerp, Universiteitsplein 1, Antwerp, B-2610, Belgium
| | - Sophie Berland
- UMR 7208 CNRS/MNHN/UPMC/IRD Biologie des Organismes Aquatiques et Ecosystèmes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Paris, France
| | - Joao C R Cardoso
- Centro de Ciencias do Mar, Universidade do Algarve, Campus de Gambelas, Faro, 8005-139, Portugal
| | - Carlos Caurcel
- Ashworth Laboratories, Institute of Evolutionary Biology, University of Edinburgh, Charlotte Auerbach Road, Edinburgh, EH9 3FL, U.K
| | - Gauthier Chapelle
- Royal Belgian Institute of Natural Sciences, Rue Vautier 29, Brussels, B-1000, Belgium
| | - Michele De Noia
- Department of Animal Behavior, University of Bielefeld, Postfach 100131, Bielefeld, 33615, Germany.,Institute of Biodiversity Animal Health and Comparative Medicine, University of Glasgow, Glasgow, G12 8QQ, U.K
| | - Sam Dupont
- Department of Biological and Environmental Sciences, University of Göteburg, Box 463, Göteburg, SE405 30, Sweden
| | - Karim Gharbi
- Ashworth Laboratories, Institute of Evolutionary Biology, University of Edinburgh, Charlotte Auerbach Road, Edinburgh, EH9 3FL, U.K
| | - Joseph I Hoffman
- Department of Animal Behavior, University of Bielefeld, Postfach 100131, Bielefeld, 33615, Germany
| | - Kim S Last
- Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, U.K
| | - Arul Marie
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Sorbonne Universités, Muséum National d'Histoire Naturelle, Paris, France
| | - Frank Melzner
- GEOMAR Helmholtz Centre for Ocean Research, Kiel, 24105, Germany
| | - Kati Michalek
- Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, U.K
| | - James Morris
- Royal Belgian Institute of Natural Sciences, Rue Vautier 29, Brussels, B-1000, Belgium
| | - Deborah M Power
- Centro de Ciencias do Mar, Universidade do Algarve, Campus de Gambelas, Faro, 8005-139, Portugal
| | - Kirti Ramesh
- GEOMAR Helmholtz Centre for Ocean Research, Kiel, 24105, Germany
| | - Trystan Sanders
- GEOMAR Helmholtz Centre for Ocean Research, Kiel, 24105, Germany
| | - Kirsikka Sillanpää
- Swemarc, Department of Biological and Environmental Science, University of Gothenburg, Box 463, Gothenburg, SE405 30, Sweden
| | - Victoria A Sleight
- School of Biological Sciences, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen, AB24 2TZ, U.K
| | | | - Kristina Sundell
- Swemarc, Department of Biological and Environmental Science, University of Gothenburg, Box 463, Gothenburg, SE405 30, Sweden
| | - Luca Telesca
- Department of Earth Sciences, University of Cambridge, Cambridge, CB2 3EQ, U.K
| | - David L J Vendrami
- Department of Animal Behavior, University of Bielefeld, Postfach 100131, Bielefeld, 33615, Germany
| | - Alexander Ventura
- Department of Biological and Environmental Sciences, University of Göteburg, Box 463, Göteburg, SE405 30, Sweden
| | - Thomas A Wilding
- Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, U.K
| | - Tejaswi Yarra
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, U.K.,Ashworth Laboratories, Institute of Evolutionary Biology, University of Edinburgh, Charlotte Auerbach Road, Edinburgh, EH9 3FL, U.K
| | - Elizabeth M Harper
- Department of Earth Sciences, University of Cambridge, Cambridge, CB2 3EQ, U.K
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11
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Bonnard M, Boury B, Parrot I. Key Insights, Tools, and Future Prospects on Oyster Shell End-of-Life: A Critical Analysis of Sustainable Solutions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:26-38. [PMID: 31657905 DOI: 10.1021/acs.est.9b03736] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Oyster farming represents one of the most developed aquaculture activities, producing delicacies unfortunately related to a direct accumulation of waste shells. Facing what is becoming an environmental issue, chemists are currently developing solutions to add value to this wild source of raw material in line with the principles of sustainable chemistry. An argumentative overview of this question is proposed here with a focus on recent data. Starting with a presentation of the environmental impact of oyster farming, existing and promising applications are then classified according to the type of raw materials derived from the oyster shell, namely the natural oyster shell (NOS), the calcined natural oyster shell (CNOS), and biomolecules of the organic matrix extracted from the oyster shell. Their relevance is discussed in regard to their scalability, originality, and sustainability. This review constitutes the first critical compilation on oyster shell applications, with the aim to provide essential elements to better comprehend the recycling of waste oyster shells.
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Affiliation(s)
- Michel Bonnard
- Institut des Biomolécules Max Mousseron, CNRS, Université Montpellier, ENSCM, Montpellier 34095, France
- Tarbouriech-Médithau, Marseillan 34340, France
| | - Bruno Boury
- Institut Charles Gerhardt, CNRS, Université Montpellier, ENSCM, Montpellier 34095, France
| | - Isabelle Parrot
- Institut des Biomolécules Max Mousseron, CNRS, Université Montpellier, ENSCM, Montpellier 34095, France
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12
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Xu J, Rao Y, Wu X, Jiang J, Yu M, Chen X, Wang H. The osteoinductive effect of nano-nacre particles on MC-3T3 E1 preosteoblast through controlled release of water soluble matrix and calciumions. Dent Mater J 2019; 38:981-986. [PMID: 31178546 DOI: 10.4012/dmj.2018-270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Prostheses and implants have been widely utilized in the orthopedic and dental fields. Nowadays, significant advances have been made in the structural and functional connection between living bone and prostheses, especially in the presence of compromised bone quantity/quality. Despite improvement in the treatment outcomes after augmentation, there are still challenges to meet the clinical demands due to limited materials available. In the current study, we investigated the effects of nano-nacre particles as an alternative material on stimulating bone cell differentiation and formation. Mouse osteoblastic cells (MC3T3-E1) were cultured on nano-nacre/type I collagen composite scaffold (NN-ICS) and type I collagen scaffold (ICS). Generated nano-nacre particles showed controlled release of protein and calcium for a period of 36 days. NN-ICS significantly contributed to the proliferation and differentiation of preosteoblasts compared to ICS controls. Our data showed that nano-nacre particles could serve as a candidate of bone substitution material, which potentially contributed to treatment outcomes in cases with compromised bone quality and/or quality.
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Affiliation(s)
- Junhua Xu
- The First Affiliated Hospital, School of Medicine, Zhejiang University
| | - Yuefeng Rao
- The First Affiliated Hospital, School of Medicine, Zhejiang University
| | - Xiuhua Wu
- The First Affiliated Hospital, School of Medicine, Zhejiang University
| | - Jonathan Jiang
- Department of Medicine St Vincent Hospital, University of Melbourne
| | - Mengfei Yu
- The First Affiliated Hospital, School of Medicine, Zhejiang University
| | - Xiaoyi Chen
- The First Affiliated Hospital, School of Medicine, Zhejiang University
| | - Huiming Wang
- The First Affiliated Hospital, School of Medicine, Zhejiang University
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13
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Uskoković V, Janković-Častvan I, Wu VM. Bone Mineral Crystallinity Governs the Orchestration of Ossification and Resorption during Bone Remodeling. ACS Biomater Sci Eng 2019; 5:3483-3498. [DOI: 10.1021/acsbiomaterials.9b00255] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Vuk Uskoković
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, Engineering Gateway 4200, Irvine, California 92697, United States
- Department of Bioengineering, University of Illinois, 851 South Morgan Street, Chicago, Illinois 60607-7052, United States
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, 1600 Fourth Street, San Francisco, California 94158, United States
| | - Ivona Janković-Častvan
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade 11000, Serbia
| | - Victoria M. Wu
- Department of Bioengineering, University of Illinois, 851 South Morgan Street, Chicago, Illinois 60607-7052, United States
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14
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Willemin AS, Zhang G, Velot E, Bianchi A, Decot V, Rousseau M, Gillet P, Moby V. The effect of nacre extract on cord blood-derived endothelial progenitor cells: A natural stimulus to promote angiogenesis? J Biomed Mater Res A 2019; 107:1406-1413. [PMID: 30737885 DOI: 10.1002/jbm.a.36655] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/21/2019] [Accepted: 02/04/2019] [Indexed: 11/11/2022]
Abstract
Angiogenesis is a critical parameter to consider for the development of tissue-engineered bone substitutes. The challenge is to promote sufficient vascularization in the bone substitute to prevent cell death and to allow its efficient integration. The capacity of nacre extract to restore the osteogenic activity of osteoarthritis osteoblasts has already been demonstrated. However, their angiogenic potential on endothelial progenitor cells (EPCs) was not yet explored. Therefore, the current study aimed at investigating if nacreous molecules affect EPC behavior. The gene and protein expression levels of endothelial cell (EC)-specific markers were determined in EPCs cultivated in presence of a nacre extract (ethanol soluble matrix [ESM] at two concentrations: 100 μg/mL and 200 μg/mL (respectively abbreviated ESM100 and ESM200)). Cell functionality was explored by proangiogenic factors production and in vitro tube formation assay. ESM200 increased the expression of some EC-specific genes. The in vitro tube formation assay demonstrated that ESM200 stimulated tubulogenesis affecting angiogenic parameters. We demonstrated that a stimulation with 200 μg/mL of ESM increased angiogenesis key elements. This in vitro study strongly highlights the proangiogenic effect of ESM. Due to its osteogenic properties, previously demonstrated, ESM could constitute the key element to develop an ideal prevascularized bone substitute. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part A, 2019.
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Affiliation(s)
- Anne-Sophie Willemin
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France
| | - Ganggang Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Emilie Velot
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France.,Faculté de Pharmacie, Vandœuvre-lès-Nancy, F-54505, France
| | - Arnaud Bianchi
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France
| | - Veronique Decot
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France.,CHRU de Nancy, Unité de Thérapie Cellulaire et Tissus, Vandœuvre-lès-Nancy, F-54505, France
| | - Marthe Rousseau
- Université de Lyon, UJM-Saint Etienne, INSERM, SAINBIOSE U1089, Saint-Etienne, F-42000, France
| | - Pierre Gillet
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France
| | - Vanessa Moby
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365, CNRS-Université de Lorraine, Vandœuvre-Lès-Nancy, F-54505, France.,CHRU de Nancy-Brabois, Service Odontologie, Vandœuvre-lès-Nancy, F-54500, France.,Faculté d'Odontologie, Université de Lorraine, Vandœuvre-lès-Nancy, F-54505, France
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15
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White KA, Olabisi RM. Spatiotemporal Control Strategies for Bone Formation through Tissue Engineering and Regenerative Medicine Approaches. Adv Healthc Mater 2019; 8:e1801044. [PMID: 30556328 DOI: 10.1002/adhm.201801044] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 11/06/2018] [Indexed: 02/06/2023]
Abstract
Global increases in life expectancy drive increasing demands for bone regeneration. The gold standard for surgical bone repair is autografting, which enjoys excellent clinical outcomes; however, it possesses significant drawbacks including donor site morbidity and limited availability. Although collagen sponges delivered with bone morphogenetic protein, type 2 (BMP2) are a common alternative or supplement, they do not efficiently retain BMP2, necessitating extremely high doses to elicit bone formation. Hence, reports of BMP2 complications are rising, including cancer promotion and ectopic bone formation, the latter inducing complications such as breathing difficulties and neurologic impairments. Thus, efforts to exert spatial control over bone formation are increasing. Several tissue engineering approaches have demonstrated the potential for targeted and controlled bone formation. These approaches include biomaterial scaffolds derived from synthetic sources, e.g., calcium phosphates or polymers; natural sources, e.g., bone or seashell; and immobilized biofactors, e.g., BMP2. Although BMP2 is the only protein clinically approved for use in a surgical device, there are several proteins, small molecules, and growth factors that show promise in tissue engineering applications. This review profiles the tissue engineering advances in achieving control over the location and onset of bone formation (spatiotemporal control) toward avoiding the complications associated with BMP2.
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Affiliation(s)
- Kristopher A. White
- Department of Chemical and Biochemical Engineering; Rutgers University; 98 Brett Road Piscataway NJ 08854 USA
| | - Ronke M. Olabisi
- Department of Biomedical Engineering; Rutgers University; 599 Taylor Road Piscataway NJ 08854 USA
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16
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Bioactive Compounds from Marine Organisms: Potential for Bone Growth and Healing. Mar Drugs 2018; 16:md16090340. [PMID: 30231464 PMCID: PMC6163760 DOI: 10.3390/md16090340] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/10/2018] [Accepted: 09/11/2018] [Indexed: 01/06/2023] Open
Abstract
Marine organisms represent a highly diverse reserve of bioactives which could aid in the treatment of a wide range of diseases, including various musculoskeletal conditions. Osteoporosis in particular would benefit from a novel and effective marine-based treatment, due to its large disease burden and the inefficiencies of current treatment options. Osteogenic bioactives have been isolated from many marine organisms, including nacre powder derived from molluscan shells and fucoidan—the sulphated polysaccharide commonly sourced from brown macroalgae. Such extracts and compounds are known to have a range of osteogenic effects, including stimulation of osteoblast activity and mineralisation, as well as suppression of osteoclast resorption. This review describes currently known soluble osteogenic extracts and compounds from marine invertebrates and algae, and assesses their preclinical potential.
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17
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Cheng Y, Zhang W, Fan H, Xu P. Water‑soluble nano‑pearl powder promotes MC3T3‑E1 cell differentiation by enhancing autophagy via the MEK/ERK signaling pathway. Mol Med Rep 2018; 18:993-1000. [PMID: 29845241 DOI: 10.3892/mmr.2018.9052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 02/16/2018] [Indexed: 11/06/2022] Open
Abstract
Nacre (mother of pearl) is a bioactive material capable of facilitating osteoblast proliferation and differentiation; however, further investigation into the mechanism underlying the effects of nacre on the stimulation of bone differentiation is required. The present study aimed to elucidate the effects of water‑soluble nano‑pearl powder (WSNNP) on osteoblast differentiation and to examine the underlying mechanisms. A MTT assay revealed that WSNNP (10, 25 and 50 µg/ml) may stimulate the viability of preosteoblastic MC3T3‑E1 cells and 50 µg/ml WSNNP exhibited the maximum stimulatory effect. Furthermore, WSNNP significantly enhanced the protein expression levels of differentiation markers, including collagen I, runt‑related transcription factor 2 (RUNX2), secreted phosphoprotein1 (SPP1) and alkaline phosphatase (ALP) in a dose‑dependent manner, which indicated that WSNNP may promote osteoblast differentiation. Subsequently, whether autophagy serves a role in WSNNP‑mediated differentiation of osteoblasts was investigated via western blotting and immunofluorescence. The results of the present study demonstrated that WSNNP treatment significantly evoked the expression of autophagy markers, including microtubule‑associated light chain 3 (LC3)II/I, Beclin1 and autophagy‑related 7 (ATG7), whereas the autophagy inhibitor 3‑methyladenine significantly inhibited WSNNP‑induced osteoblast differentiation. Furthermore, the role of WSNNP on the potential signaling pathways that activate autophagy was investigated. The present study reported that WSNNP may significantly upregulate the mitogen‑activated protein kinase kinase (MEK)/extracellular signal‑regulated kinase (ERK) signaling pathway. Treatment with the MEK inhibitor U0126 significantly inhibited the protein expression levels of WSNNP‑induced differentiation markers, including collagen I, RUNX2, SPP1 and ALP, and autophagy markers, including LC3II/I, Beclin1 and ATG7. Therefore, the findings of the present study suggested that WSNNP may contribute to osteoblast differentiation by enhancing autophagy via the MEK/ERK signaling pathway, thus suggesting a novel direction for optimizing the biological materials in bone implants.
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Affiliation(s)
- Yanan Cheng
- Department of Oral Implantation, Affiliated Haikou Hospital, Xiangya Medical School, Central South University, Hainan Provincial Stomatology Center, Haikou, Hainan 570208, P.R. China
| | - Wenbai Zhang
- Department of Oral Implantation, Affiliated Haikou Hospital, Xiangya Medical School, Central South University, Hainan Provincial Stomatology Center, Haikou, Hainan 570208, P.R. China
| | - Hui Fan
- Department of Oral Implantation, Affiliated Haikou Hospital, Xiangya Medical School, Central South University, Hainan Provincial Stomatology Center, Haikou, Hainan 570208, P.R. China
| | - Pu Xu
- Department of Oral Implantation, Affiliated Haikou Hospital, Xiangya Medical School, Central South University, Hainan Provincial Stomatology Center, Haikou, Hainan 570208, P.R. China
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18
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Li L, Wang P, Hu K, Wang X, Cai W, Ai C, Liu S, Wang Z. PFMG1 promotes osteoblast differentiation and prevents osteoporotic bone loss. FASEB J 2018; 32:838-849. [PMID: 29021211 DOI: 10.1096/fj.201700422r] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Nacre is a widely used mineral medicine that has been reported to have beneficial effects in bone remodeling without an increase in inflammation. Water-soluble nacre matrix has been demonstrated to be responsible for the effect, yet core active ingredients are unknown. Pinctada fucata mantle gene 1 (PFMG1) was first discovered in the mantle tissue of Pinctada fucata. The protein has 2 EF-hands, a calcium-binding domain. PFMG1 protein can affect the growth of calcium carbonate crystals in vitro. Here, we demonstrate that PFMG1 affects cell-cycle distribution and promotes preosteoblast proliferation. PFMG1 accelerates preosteoblast differentiation and extracellular matrix mineralization. During the differentiation process, PFMG1 increases the expression level of osteoblastic marker genes and activates the Erk signaling pathway. PFMG1 also accelerates calcium crystal aggregation in culture medium and suppresses osteoclast formation. Moreover, PFMG1 prevents bone loss caused by ovariectomy. RNA sequencing analysis demonstrated that PFMG1 stimulates genes that are associated with tissue development and ossification, which indicated new genes that function in bone remodeling. Our findings demonstrate the therapeutic potential of PFMG1 from nacre as a novel medicine for osteoporosis.-Li, L., Wang, P., Hu, K., Wang, X., Cai, W., Ai, C., Liu, S., Wang, Z. PFMG1 promotes osteoblast differentiation and prevents osteoporotic bone loss.
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Affiliation(s)
- Liyuan Li
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Pan Wang
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Kaiqiang Hu
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Xiaoyan Wang
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.,Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, China
| | - Wenping Cai
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Chao Ai
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.,Department of Pharmacy, Beijing Tsinghua Changgung Hospital, Tsinghua University Medical Center, Beijing, China
| | - Shangfeng Liu
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhao Wang
- Protein Science Key Laboratory, Ministry of Education, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
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19
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Abstract
Osteoporosis is the most common bone metabolic disease with a very high morbidity, and women usually got a higher risk of osteoporosis than men. The high incidence rate of osteoporosis in women was mainly caused by (1) women having fewer skeletons and bone mass, (2) pregnancy consuming a large amount of calcium and other nutrients, and most importantly (3) the cease of estrogen secretion by ovaries after menopause. Along with ovarian aging, the follicle pool gradually declines and the oocyte quality reduced, accompanied with decline in serum estrogen. Estrogen deficiency plays an important role in the pathogenesis of postmenopausal osteoporosis; it is mainly a result of the recognition that estrogen regulates bone remodeling by modulating the production of cytokines and growth factors from bone marrow and bone cells. This review will summarize current knowledge concerning ovarian aging and postmenopause osteoporosis and also discuss clinical treatment and new ideas of drug development for osteoporosis.
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Affiliation(s)
- Liyuan Li
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Zhao Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
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20
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Shell extracts of the edible mussel and oyster induce an enhancement of the catabolic pathway of human skin fibroblasts, in vitro. Cytotechnology 2017; 69:815-829. [PMID: 28474214 DOI: 10.1007/s10616-017-0096-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 04/09/2017] [Indexed: 01/08/2023] Open
Abstract
Mollusc shells are composed of more than 95% calcium carbonate and less than 5% organic matrix consisting mostly of proteins, glycoproteins and polysaccharides. In this study, we investigated the effects of matrix macromolecular components extracted from the shells of two edible molluscs of economic interest, i.e., the blue mussel Mytilus edulis and the Pacific oyster Crassostrea gigas. The potential biological activities of these organic molecules were analysed on human dermal fibroblasts in primary culture. Our results demonstrate that shell extracts of the two studied molluscs modulate the metabolic activities of the cells. In addition, the extracts caused a decrease of type I collagen and a concomitant increase of active MMP-1, both at the mRNA and the protein levels. Therefore, our results suggest that shell extracts from M. edulis and C. gigas contain molecules that promote the catabolic pathway of human dermal fibroblasts. This work emphasises the potential use of these shell matrices in the context of anti-fibrotic strategies, particularly against scleroderma. More generally, it stresses the usefulness to valorise bivalve shells that are coproducts of shellfish farming activity.
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Gerhard EM, Wang W, Li C, Guo J, Ozbolat IT, Rahn KM, Armstrong AD, Xia J, Qian G, Yang J. Design strategies and applications of nacre-based biomaterials. Acta Biomater 2017; 54:21-34. [PMID: 28274766 DOI: 10.1016/j.actbio.2017.03.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 03/02/2017] [Accepted: 03/03/2017] [Indexed: 10/20/2022]
Abstract
The field of tissue engineering and regenerative medicine relies heavily on materials capable of implantation without significant foreign body reactions and with the ability to promote tissue differentiation and regeneration. The field of bone tissue engineering in particular requires materials capable of providing enhanced mechanical properties and promoting osteogenic cell lineage commitment. While bone repair has long relied almost exclusively on inorganic, calcium phosphate ceramics such as hydroxyapatite and their composites or on non-degradable metals, the organically derived shell and pearl nacre generated by mollusks has emerged as a promising alternative. Nacre is a naturally occurring composite material composed of inorganic, calcium carbonate plates connected by a framework of organic molecules. Similar to mammalian bone, the highly organized microstructure of nacre endows the composite with superior mechanical properties while the organic phase contributes to significant bioactivity. Studies, both in vitro and in vivo, have demonstrated nacre's biocompatibility, biodegradability, and osteogenic potential, which are superior to pure inorganic minerals such as hydroxyapatite or non-degradable metals. Nacre can be used directly as a bulk implant or as part of a composite material when combined with polymers or other ceramics. While nacre has demonstrated its effectiveness in multiple cell culture and animal models, it remains a relatively underexplored biomaterial. This review introduces the formation, structure, and characteristics of nacre, and discusses the present and future uses of this biologically-derived material as a novel biomaterial for orthopedic and other tissue engineering applications. STATEMENT OF SIGNIFICANCE Mussel derived nacre, a biological composite composed of mineralized calcium carbonate platelets and interplatelet protein components, has recently gained interest as a potential alternative ceramic material in orthopedic biomaterials, combining the integration and mechanical capabilities of calcium phosphates with increased bioactivity derived from proteins and biomolecules; however, there is limited awareness of this material's potential. Herein, we present, to our knowledge, the first comprehensive review of nacre as a biomaterial. Nacre is a highly promising yet overlooked biomaterial for orthopedic tissue engineering with great potential in a wide variety of material systems. It is our hope that publication of this article will lead to increased community awareness of the potential of nacre as a versatile, bioactive ceramic capable of improving bone tissue regeneration and will elicit increased research effort and innovation utilizing nacre.
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Zhang G, Brion A, Willemin AS, Piet MH, Moby V, Bianchi A, Mainard D, Galois L, Gillet P, Rousseau M. Nacre, a natural, multi-use, and timely biomaterial for bone graft substitution. J Biomed Mater Res A 2016; 105:662-671. [PMID: 27750380 DOI: 10.1002/jbm.a.35939] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/23/2016] [Accepted: 10/13/2016] [Indexed: 12/25/2022]
Abstract
During the past two decades, with a huge and rapidly increasing clinical need for bone regeneration and repair, bone substitutes are more and more seen as a potential solution. Major innovation efforts are being made to develop such substitutes, some having advanced even to clinical practice. It is now time to turn to natural biomaterials. Nacre, or mother-of-pearl, is an organic matrix-calcium carbonate coupled shell structure produced by molluscs. In vivo and in vitro studies have revealed that nacre is osteoinductive, osteoconductive, biocompatible, and biodegradable. With many other outstanding qualities, nacre represents a natural and multi-use biomaterial as a bone graft substitute. This review aims at summarising the current needs in orthopaedic clinics and the challenges for the development of bone substitutes; most of all, we systematically review the physiological characteristics and biological evidence of nacre's effects centred on osteogenesis, and finally we put forward the potential use of nacre as a bone graft substitute. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 662-671, 2017.
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Affiliation(s)
- Ganggang Zhang
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Alice Brion
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Anne-Sophie Willemin
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Marie-Hélène Piet
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Vanessa Moby
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Arnaud Bianchi
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Didier Mainard
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Laurent Galois
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Pierre Gillet
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Marthe Rousseau
- Faculté de médicine, IMoPA, UMR 7365 CNRS Université de Lorraine, Vandoeuvre-lès-Nancy, France
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Zhang G, Willemin A, Brion A, Piet M, Moby V, Bianchi A, Mainard D, Galois L, Gillet P, Rousseau M. A new method for the separation and purification of the osteogenic compounds of nacre Ethanol Soluble Matrix. J Struct Biol 2016; 196:127-137. [DOI: 10.1016/j.jsb.2016.03.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/19/2016] [Accepted: 03/16/2016] [Indexed: 11/16/2022]
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Nacre extract restores the mineralization capacity of subchondral osteoarthritis osteoblasts. J Struct Biol 2015; 192:500-509. [DOI: 10.1016/j.jsb.2015.10.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 10/15/2015] [Accepted: 10/16/2015] [Indexed: 12/16/2022]
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Suzuki M, Kogure T, Sakuda S, Nagasawa H. Identification of ligament intra-crystalline peptide (LICP) from the hinge ligament of the bivalve, Pinctada fucata. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2015; 17:153-161. [PMID: 25315163 DOI: 10.1007/s10126-014-9603-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 09/28/2014] [Indexed: 06/04/2023]
Abstract
The hinge ligament of the bivalve is an important hard tissue that functions to open and close the shells. The ligament contains a fibrous structure consisting of aragonite crystals surrounded by dense organic matrices. Although many matrix proteins have been identified from various shell microstructures in previous works, ligament-specific matrix proteins have not yet been reported. In this study, in order to reveal the formation mechanism of the fibrous aragonite crystals in the ligament of Pinctada fucata, we identified a novel, small acidic peptide, named ligament intra-crystalline peptide (LICP), from the aragonite crystal of the ligament that had been pre-treated with sodium hypochlorite to remove the inter-crystalline organic matrices. LICP consists of 10 amino acid residues with N-terminal pyroglutamic acid. The result of cDNA cloning showed that the cDNA encodes another putative 10-residue peptide at the C-terminal end of LICP. LICP showed inhibitory activity on calcium carbonate precipitation, while the synthetic 10-residue peptide from the C-terminal sequence of proLICP did not. We also noted that the TEM and SEM observations of aragonite crystals formed by the in vitro crystallization experiment showed that LICP inhibited the growth of aragonite crystal to stop elongation in the c-axis direction. These results suggested that LICP has a role of regulating the formation of the aragonite crystals in the ligament.
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Affiliation(s)
- Michio Suzuki
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan,
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Green DW, Kwon HJ, Jung HS. Osteogenic potency of nacre on human mesenchymal stem cells. Mol Cells 2015; 38:267-72. [PMID: 25666352 PMCID: PMC4363727 DOI: 10.14348/molcells.2015.2315] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 11/20/2014] [Indexed: 11/27/2022] Open
Abstract
Nacre seashell is a natural osteoinductive biomaterial with strong effects on osteoprogenitors, osteoblasts, and osteoclasts during bone tissue formation and morphogenesis. Although nacre has shown, in one study, to induce bridging of new bone across large non-union bone defects in 8 individual human patients, there have been no succeeding human surgical studies to confirm this outstanding potency. But the molecular mechanisms associated with nacre osteoinduction and the influence on bone marrow-derived mesenchymal stem cells (BMSC's), skeletal stem cells or bone marrow stromal cells remain elusive. In this study we highlight the phenotypic and biochemical effects of Pinctada maxima nacre chips and the global nacre soluble protein matrix (SPM) on primary human bone marrow-derived stromal cells (hBMSCs) in vitro. In static co-culture with nacre chips, the hBMSCs secreted Alkaline phosphatase (ALP) at levels that exceeded bone morphogenetic protein (rhBMP-2) treatment. Concentrated preparation of SPM applied to Stro-1 selected hBMSC's led to rapid ALP secretions, at concentrations exceeding the untreated controls even in osteogenic conditions. Within 21 days the same population of Stro-1 selected hBMSCs proliferated and secreted collagens I-IV, indicating the premature onset of an osteoblast phenotype. The same SPM was found to promote unselected hBMSC differentiation with osteocalcin detected at 7 days, and proliferation increased at 7 days in a dose-dependent manner. In conclusion, nacre particles and nacre SPM induced the early stages of human bone cell differentiation, indicating that they may be promising soluble factors with osteoinductive capacity in primary human bone cell progenitors such as, hBMSC's.
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Affiliation(s)
- David W. Green
- Oral Biosciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR
| | - Hyuk-Jae Kwon
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229,
USA
| | - Han-Sung Jung
- Oral Biosciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Oral Science Research Center, BK21 PLUS Project, Yonsei University College of Dentistry, Seoul,
Korea
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Pinctada fucataMantle Gene 5 (PFMG5) from Pearl Oyster Mantle Inhibits Osteoblast Differentiation. Biosci Biotechnol Biochem 2014; 75:991-3. [DOI: 10.1271/bbb.100821] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Uskoković V, Desai TA. Simultaneous bactericidal and osteogenic effect of nanoparticulate calcium phosphate powders loaded with clindamycin on osteoblasts infected with Staphylococcus aureus. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 37:210-22. [PMID: 24582242 DOI: 10.1016/j.msec.2014.01.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 12/05/2013] [Accepted: 01/05/2014] [Indexed: 01/06/2023]
Abstract
Staphylococcus aureus internalized by bone cells and shielded from the immune system provides a reservoir of bacteria in recurring osteomyelitis. Its targeting by the antibiotic therapy may thus be more relevant for treating chronic bone infection than eliminating only the pathogens colonizing the bone matrix. Assessed was the combined osteogenic and antibacterial effect of clindamycin-loaded calcium phosphate nanoparticles of different monophasic compositions on co-cultures comprising osteoblasts infected with S. aureus. Antibiotic-carrying particles were internalized by osteoblasts and minimized the concentration of intracellular bacteria. In vitro treatments of the infected cells, however, could not prevent cell necrosis due to the formation of toxic byproducts of the degradation of the bacterium. Antibiotic-loaded particles had a positive morphological effect on osteoblasts per se, without reducing their viability, alongside stimulating the upregulation of expression of different bone growth markers in infected osteoblasts to a higher degree than achieved during the treatment with antibiotic only.
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Affiliation(s)
- Vuk Uskoković
- Therapeutic Micro and Nanotechnology Laboratory, Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA; Department of Bioengineering, University of Illinois, Chicago, USA.
| | - Tejal A Desai
- Therapeutic Micro and Nanotechnology Laboratory, Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
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Agarwal V, Tjandra ES, Iyer KS, Humfrey B, Fear M, Wood FM, Dunlop S, Raston CL. Evaluating the effects of nacre on human skin and scar cells in culture. Toxicol Res (Camb) 2014. [DOI: 10.1039/c4tx00004h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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30
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Ben-Nissan B, Green DW. Marine Structures as Templates for Biomaterials. SPRINGER SERIES IN BIOMATERIALS SCIENCE AND ENGINEERING 2014. [DOI: 10.1007/978-3-642-53980-0_13] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Uskoković V, Desai TA. In vitro analysis of nanoparticulate hydroxyapatite/chitosan composites as potential drug delivery platforms for the sustained release of antibiotics in the treatment of osteomyelitis. J Pharm Sci 2013; 103:567-79. [PMID: 24382825 DOI: 10.1002/jps.23824] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 11/06/2013] [Accepted: 12/03/2013] [Indexed: 12/17/2022]
Abstract
Nanoparticulate composites of hydroxyapatite (HAp) and chitosan were synthesized by ultrasound-assisted sequential precipitation and characterized for their microstructure at the atomic scale, surface charge, drug release properties, and combined antibacterial and osteogenic response. Crystallinity of HAp nanoparticles was reduced because of the interference of the surface layers of chitosan with the dissolution/reprecipitation-mediated recrystallization mechanism that conditions the transition from the as-precipitated amorphous calcium phosphate phase to the most thermodynamically stable one--HAp. Embedment of 5-10 nm sized, narrowly dispersed HAp nanoparticles within the polymeric matrix mitigated the burst release of the small molecule model drug, fluorescein, bound to HAp by physisorption, and promoted sustained-release kinetics throughout the 3 weeks of release time. The addition of chitosan to the particulate drug carrier formulation, however, reduced the antibacterial efficacy against S aureus. Excellent cell spreading and proliferation of osteoblastic MC3T3-E1 cells evidenced on microscopic conglomerates of HAp nanoparticles in vitro also markedly diminished on HAp/chitosan composites. Mitochondrial dehydrogenase activity exhibited normal values only for HAp/chitosan particle concentrations of up to 2 mg/cm(2) and significantly dropped, by about 50%, at higher particle concentrations (4 and 8 mg/cm(2)). The gene expression of osteocalcin, a mineralization inductor, and the transcription factor Runx2 was downregulated in cells incubated in the presence of 3 mg/cm(2) HAp/chitosan composite particles, whereas the expression of osteopontin, a potent mineralization inhibitor, was upregulated, further demonstrating the partially unfavorable osteoblastic cell response to the given particles. The peak in the expression of osteogenic markers paralleling the osteoblastic differentiation was also delayed most for the cell population incubated with HAp/chitosan particles. Overall, the positive effect of chitosan coating on the drug elution profile of HAp nanoparticles as carriers for the controlled delivery of antibiotics in the treatment of osteomyelitis was compensated for by the lower bacteriostatic efficiency and the comparatively unviable cell response to the composite material, especially at higher dosages.
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Affiliation(s)
- Vuk Uskoković
- Therapeutic Micro and Nanotechnology Laboratory, Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, 94158-2330
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Chaturvedi R, Singha PK, Dey S. Water soluble bioactives of nacre mediate antioxidant activity and osteoblast differentiation. PLoS One 2013; 8:e84584. [PMID: 24367677 PMCID: PMC3868599 DOI: 10.1371/journal.pone.0084584] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Accepted: 11/20/2013] [Indexed: 11/18/2022] Open
Abstract
The water soluble matrix of nacre is a proven osteoinductive material. In spite of the differences in the biomolecular compositions of nacre obtained from multiple species of oysters, the common biochemical properties of those principles substantiate their biological activity. However, the mechanism by which nacre stimulates bone differentiation remains largely unknown. Since the positive impact of antioxidants on bone metabolism is well acknowledged, in this study we investigated the antioxidant potential of a water soluble matrix (WSM) obtained from the nacre of the marine oyster Pinctada fucata, which could regulate its osteoblast differentiation activity. Enhanced levels of ALP activity observed in pre-osteoblast cells upon treatment with WSM, suggested the induction of bone differentiation events. Furthermore, bone nodule formation and up-regulation of bone differentiation marker transcripts, i.e. collagen type-1 and osteocalcin by WSM confirmed its ability to induce differentiation of the pre-osteoblasts into mature osteoblasts. Remarkably, same WSM fraction upon pre-treatment lowered the H2O2 and UV-B induced oxidative damages in keratinocytes, thus indicating the antioxidant potential of WSM. This was further confirmed from the in vitro scavenging of ABTS and DPPH free radicals and inhibition of lipid peroxidation by WSM. Together, these results indicate that WSM poses both antioxidant potential and osteoblast differentiation property. Thus, bioactivities associated with nacre holds potential in the development of therapeutics for bone regeneration and against oxidative stress induced damages in cells.
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Affiliation(s)
- Ratna Chaturvedi
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
- * E-mail:
| | - Prajjal Kanti Singha
- Department of Pathology, University of Texas Health Science Center, San Antonio, Texas, United States of America
| | - Satyahari Dey
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
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Tanasawet S, Withyachumnarnkul B, Changsangfar C, Cummins SF, Sroyraya M, Sangsuwan P, Kitiyanant Y, Asuvapongpatana S, Weerachatyanukul W. Isolation of Organic Matrix Nacreous Proteins fromHaliotis diversicolorand Their Effect OnIn VitroOsteoinduction. MALACOLOGIA 2013. [DOI: 10.4002/040.056.0208] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Uskoković V, Hoover C, Vukomanović M, Uskoković DP, Desai TA. Osteogenic and antimicrobial nanoparticulate calcium phosphate and poly-(D,L-lactide-co-glycolide) powders for the treatment of osteomyelitis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:3362-73. [PMID: 23706222 PMCID: PMC3672472 DOI: 10.1016/j.msec.2013.04.023] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 01/31/2013] [Accepted: 04/08/2013] [Indexed: 01/31/2023]
Abstract
Development of a material for simultaneous sustained and localized delivery of antibiotics and induction of spontaneous regeneration of hard tissues affected by osteomyelitis stands for an important clinical need. In this work, a comparative analysis of the bacterial and osteoblastic cell response to two different nanoparticulate carriers of clindamycin, an antibiotic commonly prescribed in the treatment of bone infection, one composed of calcium phosphate and the other comprising poly-(D,L-lactide-co-glycolide)-coated calcium phosphate, was carried out. Three different non-cytotoxic phases of calcium phosphate, exhibiting dissolution and drug release profiles in the range of one week to two months to one year, respectively, were included in the analysis: monetite, amorphous calcium phosphate and hydroxyapatite. Spherical morphologies and narrow size distribution of both types of nanopowders were confirmed in transmission and scanning electron microscopic analyses. The antibiotic-containing powders exhibited sustained drug release contingent upon the degradation rate of the carrier. Assessment of the antibacterial performance of the antibiotic-encapsulated powders against Staphylococcus aureus, the most common pathogen isolated from infected bone, yielded satisfactory results both in broths and on blood agar plates for all the analyzed powders. In contrast, no cytotoxic behavior was detected upon the incubation of the antibiotic powders with the osteoblastic MC3T3-E1 cell line for up to three weeks. The cells were shown to engage in a close contact with the antibiotic-containing particles, irrespective of their internal or surface phase composition, polymeric or mineral. At the same time, both types of particles upregulated the expression of osteogenic markers osteocalcin, osteopontin, Runx2 and protocollagen type I, suggesting their ability to promote osteogenesis and enhance remineralization of the infected site in addition to eliminating the bacterial source of infection.
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Affiliation(s)
- Vuk Uskoković
- Therapeutic Micro and Nanotechnology Laboratory, Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA.
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Abstract
In nature, mollusk shells have a role in protecting the soft body of the mollusk from predators and from the external environment, and the shells consist mainly of calcium carbonate and small amounts of organic matrices. Organic matrices in mollusk shells are thought to play key roles in shell formation. However, enough information has not been accumulated so far. High toughness and stiffness have been focused on as being adaptable to the development of organic–inorganic hybrid materials. Because mollusks can produce elaborate microstructures containing organic matrices under ambient conditions, the investigation of shell formation is expected to lead to the development of new inorganic–organic hybrid materials for various applications. In this review paper, we summarize the structures of mollusk shells and their process of formation, together with the analysis of various organic matrices related to shell calcification.
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Affiliation(s)
- Michio Suzuki
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hiromichi Nagasawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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Ahmad I, Singh MK, Pereira ML, Pacheco M, Santos MA, Duarte AC, Pereira E, Grácio J. Morphological, compositional and ultrastructural changes in the Scrobicularia plana shell in response to environmental mercury--an indelible fingerprint of metal exposure? CHEMOSPHERE 2013; 90:2697-2704. [PMID: 23273325 DOI: 10.1016/j.chemosphere.2012.11.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Revised: 10/04/2012] [Accepted: 11/24/2012] [Indexed: 06/01/2023]
Abstract
The study aimed to assess morphological, structural and compositional alterations in Scrobicularia plana nacre environmentally exposed to mercury in order to seek out the possibility of the assessed alterations as a monitoring tool to handle complexity and interactions of metals in the environment involving a non-invasive methodology. Bivalves were collected from a mercury contaminated site (Laranjo basin - Ria de Aveiro, Portugal) and a reference site in the same aquatic system. The combination of scanning electron microscopy (SEM) with energy-dispersive X-ray spectroscopy (EDS) technique depicted a sheet like morphology of bivalve nacre collected from the reference site. Moreover, EDS plot exhibited the presence of potassium, oxygen, calcium, and carbon elements. Shells collected from the contaminated area depicted lamellar patches like structures with particle like morphology composition. SEM images corresponding to the elemental analysis by EDS plot clearly denoted the presence of mercury. SEM images from the other locations of the contaminated shells depicted large surface area, a broken or ruptured symmetry of organic matrix as well as crack-like gaps. The influence of environmental mercury affecting the surface morphology of S. plana nacre showed dimple like morphology (as proved by transmission electron microscopy, TEM). The possible explanation may be the replacement of calcium elements with other elements or alloys from the nacre composite collected from contaminated region. Therefore, the nacre fingerprint may be useful as innovative knowledge and applicable tool aiming at risk reduction from noxious mercury present in the environment. Overall results suggested the use of shell as an indelible fingerprint of metal exposure.
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Affiliation(s)
- Iqbal Ahmad
- Department of Chemistry & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal; Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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Kim H, Lee K, Ko CY, Kim HS, Shin HI, Kim T, Lee SH, Jeong D. The role of nacreous factors in preventing osteoporotic bone loss through both osteoblast activation and osteoclast inactivation. Biomaterials 2012; 33:7489-96. [PMID: 22809648 DOI: 10.1016/j.biomaterials.2012.06.098] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Accepted: 06/30/2012] [Indexed: 01/14/2023]
Abstract
Excessive bone resorption by osteoclasts relative to bone formation by osteoblasts results in the development of osteoporosis. Anti-osteoporotic agents that are able both to inhibit bone resorption and to stimulate bone formation are not available. We now show that water-soluble nacreous factors prepared from the pearl oyster Pteria martensii prevent osteoporotic bone loss associated with estrogen deficiency in mice mainly through osteoclast inactivation. Nacreous factors stimulated osteoblast biomineralization in vitro in association with activation of signaling by c-Jun NH(2)-terminal kinase (JNK) and Fos-related antigen-1 (Fra-1). They also suppressed both osteoclast formation by blocking up-regulation of nuclear factor of activated T cells cytoplasmic 1 (NFATc1) as well as bone pit formation mediated by mature osteoclasts, likely by disrupting the actin ring of these cells. Our findings thus show that the components of a natural material have beneficial effects on bone remodeling that are mediated through regulation of both osteoblast and osteoclast function. They may thus provide a basis for the development of biomimetic bone material as well as anti-osteoporotic agents.
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Affiliation(s)
- Hyunsoo Kim
- Department of Microbiology, Aging-Associated Vascular Disease Research Center, Yeungnam University College of Medicine, Nam-Gu, Daegu, Republic of Korea
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Oliveira DV, Silva TS, Cordeiro OD, Cavaco SI, Simes DC. Identification of proteins with potential osteogenic activity present in the water-soluble matrix proteins from Crassostrea gigas nacre using a proteomic approach. ScientificWorldJournal 2012; 2012:765909. [PMID: 22666151 PMCID: PMC3361287 DOI: 10.1100/2012/765909] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Accepted: 11/30/2011] [Indexed: 01/22/2023] Open
Abstract
Nacre, when implanted in vivo in bones of dogs, sheep, mice, and humans, induces a biological response that includes integration and osteogenic activity on the host tissue that seems to be activated by a set of proteins present in the nacre water-soluble matrix (WSM). We describe here an experimental approach that can accurately identify the proteins present in the WSM of shell mollusk nacre. Four proteins (three gigasin-2 isoforms and a cystatin A2) were for the first time identified in WSM of Crassostrea gigas nacre using 2DE and LC-MS/MS for protein identification. These proteins are thought to be involved in bone remodeling processes and could be responsible for the biocompatibility shown between bone and nacre grafts. These results represent a contribution to the study of shell biomineralization process and opens new perspectives for the development of new nacre biomaterials for orthopedic applications.
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Affiliation(s)
- Daniel V Oliveira
- Center of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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Lee K, Kim H, Kim JM, Chung YH, Lee TY, Lim HS, Lim JH, Kim T, Bae JS, Woo CH, Kim KJ, Jeong D. Nacre-driven water-soluble factors promote wound healing of the deep burn porcine skin by recovering angiogenesis and fibroblast function. Mol Biol Rep 2011; 39:3211-8. [PMID: 21688145 DOI: 10.1007/s11033-011-1088-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Accepted: 06/11/2011] [Indexed: 11/26/2022]
Abstract
To assess the recovery effect of water-soluble components of nacre on wound healing of burns, water-soluble nacre (WSN) was obtained from powdered nacre. Alterations to WSN-mediated wound healing characteristics were examined in porcine skin with deep second-degree burns; porcine skin was used as a proxy for human. When WSN was applied to a burned area, the burn-induced granulation sites were rapidly filled with collagen, and the damaged dermis and epidermis were restored to the appearance of normal skin. WSN enhanced wound healing recovery properties for burn-induced apoptotic and necrotic cellular damage and spurred angiogenesis. Additionally, WSN-treated murine fibroblast NIH3T3 cells showed increased proliferation and collagen synthesis. Collectively, the findings indicate that WSN improves the process of wound healing in burns by expeditiously restoring angiogenesis and fibroblast activity. WSN may be useful as a therapeutic agent, with superior biocompatibility to powdered nacre, and evoking less discomfort when applied to a wounded area.
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Affiliation(s)
- Kyunghee Lee
- Department of Microbiology, Yeungnam University College of Medicine, Daegu 705-717, Korea
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Wang X, Liu S, Xie L, Zhang R, Wang Z. Pinctada fucata mantle gene 3 (PFMG3) promotes differentiation in mouse osteoblasts (MC3T3-E1). Comp Biochem Physiol B Biochem Mol Biol 2010; 158:173-80. [PMID: 21109014 DOI: 10.1016/j.cbpb.2010.11.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2010] [Revised: 11/09/2010] [Accepted: 11/15/2010] [Indexed: 11/30/2022]
Abstract
Nacre is secreted from the mantle of pearl oysters. In vivo and in vitro experiments have demonstrated that water-soluble extracts of nacre stimulate osteoblast differentiation and matrix mineralization, but the component responsible for this activity is unclear. It was reported that Pinctada fucata mantle gene 3 (PFMG3) with an N-terminal signal peptide could be secreted into the nacre of P. fucata. Here we report that PFMG3 is specifically expressed at the outer fold of the mantle and could promote calcium carbonate crystal formation in vitro. Consistent with this observation, we found that matrix mineralization of MC3T3-E1 cells, a murine osteoblast cell line, is accelerated upon treatment with PFMG3. Intriguingly, we observed that alkaline phosphatase activity and cell viability are increased after treating MC3T3-E1 cell with PFMG3. mRNA levels of osteoblast-specific marker genes osteocalcin and osteopontin are also increased. We conclude that PFMG3 from the mantle of P. fucata promotes MC3T3-E1 osteoblast cell differentiation, matrix mineralization, and calcium carbonate deposition in vitro. Our findings provide new evidence that PFMG3 may be used as a potential therapeutic molecule for the treatment of osteoporosis.
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Affiliation(s)
- Xiaoyan Wang
- Protein Science Key Laboratory of the Ministry of Education, School of Medicine, Tsinghua University, Beijing 100084, China.
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Jian-Ping D, Jun C, Yu-Fei B, Bang-Xing H, Shang-Bin G, Li-Li J. Effects of pearl powder extract and its fractions on fibroblast function relevant to wound repair. PHARMACEUTICAL BIOLOGY 2010; 48:122-127. [PMID: 20645827 DOI: 10.3109/13880200903046211] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The water soluble matrix (WSM) of pearl powder [Hyriopsis cumingii Lea (Unionidae)] was extracted, and the insoluble residue was demineralized, size-fractionated, and named as MR14 (> 14 kDa), MR3-14 (3-14 kDa), and MR3 (< 3 kDa). The effects of WSM, MR14, MR3-14, and MR3 on primary mouse oral fibroblast proliferation, collagen accumulation, matrix metalloproteinase-2, -9 (MMP-2, -9) activities, and tissue inhibitor of metalloproteinase-1 (TIMP-1) production were tested by MTT assay, chloramine T method, gelatin zymography, and enzyme-linked immunosorbent assay (ELISA), respectively. The results showed that the WSM and MR14 could significantly (p < 0.05) promote fibroblast proliferation; all of the fractions could significantly promote collagen accumulation; MR14 significantly (p < 0.05) inhibited MMP-2 activity; and all of the fractions could significantly promote TIMP-1 production. This study has proved that the mechanism by which pearl powder promotes wound healing is partly due to its ability to stimulate fibroblast mitosis, collagen deposition, and TIMP-1 production, and the major active fraction may be MR14.
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Affiliation(s)
- Dai Jian-Ping
- School of Food & Bioengineering, Jiangsu University, Zhenjiang, China
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Luz GM, Mano JF. Biomimetic design of materials and biomaterials inspired by the structure of nacre. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2009; 367:1587-605. [PMID: 19324725 DOI: 10.1098/rsta.2009.0007] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The micro-architecture of nacre (mother of pearl) has been classically illustrated as a 'brick-and-mortar' arrangement. It is clear now that hierarchical organization and other structural features play an important role in the amazing mechanical properties of this natural nanocomposite. The more important structural characteristics and mechanical properties of nacre are exposed as a base that has inspired scientists and engineers to develop biomimetic strategies that could be useful in areas such as materials science, biomaterials development and nanotechnology. A strong emphasis is given on the latest advances on the synthetic design and production of nacre-inspired materials and coatings, in particular to be used in biomedical applications.
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Affiliation(s)
- Gisela M Luz
- 3B's Research Group--Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal
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Wang C, Wang Y, Huffman NT, Cui C, Yao X, Midura S, Midura RJ, Gorski JP. Confocal laser Raman microspectroscopy of biomineralization foci in UMR 106 osteoblastic cultures reveals temporally synchronized protein changes preceding and accompanying mineral crystal deposition. J Biol Chem 2009; 284:7100-13. [PMID: 19116206 PMCID: PMC2652278 DOI: 10.1074/jbc.m805898200] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2008] [Revised: 12/23/2008] [Indexed: 11/06/2022] Open
Abstract
Mineralization in UMR 106-01 osteoblastic cultures occurs within extracellular biomineralization foci (BMF) within 12 h after addition of beta-glycerol phosphate to cells at 64 h after plating. BMF are identified by their enrichment with an 85-kDa glycoprotein reactive with Maackia amurensis lectin. Laser Raman microspectroscopic scans were made on individual BMF at times preceding (64-76 h) and following the appearance of mineral crystals (76-88 h). The range of variation between spectra for different BMF in the same culture was rather small. In contrast, significant differences were observed for spectral bands at 957-960, 1004, and 1660 cm(-1) when normalized BMF spectra at different times were compared. Protein-dependent spectral bands at 1004 and 1660 cm(-1) increased and then decreased preceding the detection of hydroxyapatite crystals via the phosphate stretching peak at 959-960 cm(-1). When sodium phosphate was substituted for beta-glycerol phosphate, mineralization occurred 3-6 h earlier. Irrespective of phosphate source, the Raman full peak width at half-maximum ratio for 88 h cultures was similar to that for 10-day-old marrow ablation primary bone. However, if mineralization was blocked with serine protease inhibitor 4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride, 64-88-h BMF spectra remained largely invariant. In summary, Raman spectral data demonstrate for the first time that formation of hydroxyapatite crystals within individual BMF is a multistep process. Second, changes in protein-derived signals at 1004 and 1660 cm(-1) reflect events within BMFs that precede or accompany mineral crystal production because they are blocked by mineralization inhibitor 4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride. Finally, the low extent of spectral variability detected among different BMF at the same time point indicates that mineralization of individual BMF within a culture is synchronized.
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Affiliation(s)
- Chuanyi Wang
- Biomaterials Section, Department of Oral Biology, School of Dentistry, University of Missouri, Kansas City, Missouri 64108, USA
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