



@article {2264,
	title = {Immobilization of human mesenchymal stem cells within RGD-grafted alginate microspheres and assessment of their angiogenic potential},
	journal = {BiomacromoleculesBiomacromolecules},
	volume = {11},
	year = {2010},
	note = {Cited By (since 1996): 18Export Date: 21 November 2012Source: ScopusCODEN: BOMAFdoi: 10.1021/bm100264aPubMed ID: 20690708Language of Original Document: EnglishCorrespondence Address: Granja, P. L.; INEB-Instituto de Engenharia Biom{\'e}dica, Rua do Campo Alegre No. 823, 4150-180 Porto, Portugal; email: pgranja@ineb.up.ptMolecular Sequence Numbers: GENBANK: BC021289, NM_000088, NM_002046;Chemicals/CAS: alginic acid, 28961-37-7, 29894-36-8, 9005-32-7, 9005-38-3; alkaline phosphatase, 9001-78-9; arginylglycylaspartic acid, 99896-85-2; Alginates; Alkaline Phosphatase, 3.1.3.1; Collagen Type I; DNA Primers; Oligopeptides; arginyl-glycyl-aspartic acid, 99896-85-2References: Temenoff, J.S., Mikos, A.G., Injectable biodegradable materials for orthopedic tissue engineering (2000) Biomaterials, 21, pp. 2405-2412;Barralet, J.E., Wang, L., Lawson, M., Triffitt, J.T., Cooper, P.R., Shelton, R.M., Comparison of bone marrow cell growth on 2D and 3D alginate hydrogels (2005) J. Mater. Sci.: Mater. Med., 16, pp. 515-519; 
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},
	month = {2010///},
	pages = {1956 - 1964},
	abstract = {In this work, human mesenchymal stem cells (hMSC) immobilized in RGD-coupled alginate microspheres, with a binary composition of high and low molecular weight alginate, were investigated. Cells immobilized within RGD-alginate microspheres (during 21 days) showed metabolic activity, with an overall viability higher than 90\%, short cell extensions, and, when induced, they were able to differentiate into the osteogenic lineage. In osteogenic conditions (comparing to basal conditions), immobilized cells presented alkaline phosphatase (ALP) activity and an upregulation of ALP, collagen type I, and Runx 2 expression. Moreover, mineralization was also detected in immobilized cells under osteogenic stimulus. In addition, it was demonstrated for the first time that MSCs immobilized in this 3D matrix were able to enhance the ability of neighboring endothelial cells to form tubelike structures. Overall, these findings represent a step forward in the development of injectable stem cell carriers for bone tissue engineering. {\textcopyright} 2010 American Chemical Society.},
	keywords = {Alginate, Alginates, alginic acid, alkaline phosphatase, Alkaline phosphatase activity, angiogenesis, arginylglycylaspartic acid, article, Basal conditions, Base Sequence, Binary composition, bone development, Bone tissue engineering, Cell culture, cell differentiation, Cell extension, Cell immobilization, cell metabolism, cell structure, cell viability, collagen type 1, Collagen type I, controlled study, DNA Primers, Endothelial Cells, endothelium cell, enzyme activity, human, human cell, Human mesenchymal stem cells, Humans, immobilized cell, Immobilized cells, Low molecular weight, matrix, Mesenchymal stem cell, Mesenchymal Stem Cells, Metabolic activity, Microscopy, Electron, Scanning, microsphere, Microspheres, molecular weight, Neovascularization, Physiologic, nucleotide sequence, Oligopeptides, osteoblast, Osteogenic, Phosphatases, priority journal, protein expression, quantitative analysis, Reverse Transcriptase Polymerase Chain Reaction, stem cell, Stem cells, three dimensional imaging, Tissue engineering, transcription factor RUNX2, umbilical vein, Up-regulation, upregulation},
	isbn = {15257797 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77955575798\&partnerID=40\&md5=d2d378c63dc49de9324e8dddb24ff2e9},
	author = {Bidarra, S.J. and Barrias, C.C. and Barbosa, M.A. and Soares, R. and Granja, P.L.}
}
@article {2248,
	title = {Influence of crystallite size of nanophased hydroxyapatite on fibronectin and osteonectin adsorption and on MC3T3-E1 osteoblast adhesion and morphology},
	journal = {Journal of Colloid and Interface ScienceJ. Colloid Interface Sci.},
	volume = {351},
	year = {2010},
	note = {Cited By (since 1996): 12Export Date: 21 November 2012Source: ScopusCODEN: JCISAdoi: 10.1016/j.jcis.2010.08.013PubMed ID: 20810127Language of Original Document: EnglishCorrespondence Address: Ribeiro, N.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomateriais, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: nribeiro@ineb.up.ptChemicals/CAS: fibronectin, 86088-83-7; hydroxyapatite, 1306-06-5, 51198-94-8; osteonectin, 104052-78-0; protein, 67254-75-5; Ceramics; Durapatite, 1306-06-5; Fibronectins; OsteonectinReferences: Griffith, L.G., Naughton, G., (2002) Science, 295, p. 1009;Webster, T.J., Ergun, C., Doremus, R.H., Siegel, R.W., Bizios, R., (2000) J. Biomed. Mater. Res., 51, pp. 475-483; 
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},
	month = {2010///},
	pages = {398 - 406},
	abstract = {The characteristic topographical features (crystallite dimensions, surface morphology and roughness) of bioceramics may influence the adsorption of proteins relevant to bone regeneration. This work aims at analyzing the influence of two distinct nanophased hydroxyapatite (HA) ceramics, HA725 and HA1000 on fibronectin (FN) and osteonectin (ON) adsorption and MC3T3-E1 osteoblast adhesion and morphology. Both substrates were obtained using the same hydroxyapatite nanocrystals aggregates and applying the sintering temperatures of 725{\textdegree}C and 1000{\textdegree}C, respectively. The two proteins used in this work, FN as an adhesive glycoprotein and ON as a counter-adhesive protein, are known to be involved in the early stages of osteogenesis (cell adhesion, mobility and proliferation). The properties of the nanoHA substrates had an important role in the adsorption behavior of the two studied proteins and clearly affected the MC3T3-E1 morphology, distribution and metabolic activity. HA1000 surfaces presenting slightly larger grain size, higher root-mean-square roughness (Rq), lower surface area and porosity, allowed for higher amounts of both proteins adsorbed. These substrates also revealed increased number of exposed FN cell-binding domains as well as higher affinity for osteonectin. Regarding the osteoblast adhesion results, improved viability and cell number were found for HA1000 surfaces as compared to HA725 ones, independently of the presence or type of adsorbed protein. Therefore the osteoblast adhesion and metabolic activity seemed to be more sensitive to surfaces morphology and roughness than to the type of adsorbed proteins. {\textcopyright} 2010 Elsevier Inc.},
	keywords = {Adhesion, Adhesive proteins, Adsorption, Adsorption behavior, Animals, Apatite, article, Bioceramics, Biological materials, Biomaterials, bone development, Bone Regeneration, cell adhesion, Cell Count, cell metabolism, cell motility, Cell number, cell proliferation, cell strain 3T3, cell structure, Cell-binding domain, Cells, Cultured, cellular distribution, ceramics, controlled study, Crystallite dimension, Crystallite size, Crystallization, Durapatite, Fibronectin, Fibronectin adsorption, Fibronectins, glycoprotein, grain, Grain size, human, human cell, hydroxyapatite, Hydroxyapatite nanocrystals, MC3T3-E1, Metabolic activity, metabolism, Mice, morphology, Nano-HA, nanocrystal, nanoparticles, Nanophased hydroxyapatite, osteoblast, Osteoblast adhesion, Osteoblast morphology, Osteoblasts, Osteogenesis, osteonectin, Osteonectin adsorption, Particle Size, porosity, priority journal, protein, Proteins, Root mean square roughness, Sintering, Sintering temperatures, Surface area, Surface Properties, surface property, Surface roughness, temperature, Topographical features},
	isbn = {00219797 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77957328472\&partnerID=40\&md5=c4a13ccec89e04dbfe1920fd42fec3f5},
	author = {Ribeiro, N. and Sousa, S.R. and Monteiro, F.J.}
}
@article {2289,
	title = {Neuropeptide y expression and function during osteoblast differentiation - Insights from transthyretin knockout mice},
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	year = {2010},
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},
	month = {2010///},
	pages = {263 - 275},
	abstract = {To better understand the role of neuropeptide Y (NPY) in bone homeostasis, as its function in the regulation of bone mass is unclear, we assessed its expression in this tissue. By immunohistochemistry, we demonstrated, both at embryonic stages and in the adult, that NPY is synthesized by osteoblasts, osteocytes, and chondrocytes. Moreover, peptidylglycine α-amidating monooxygenase, the enzyme responsible for NPY activation by amidation, was also expressed in these cell types. Using transthyretin (TTR) KO mice as a model of augmented NPY levels, we showed that this strain has increased NPY content in the bone, further validating the expression of this neuropeptide by bone cells. Moreover, the higher amidated neuropeptide levels in TTR KO mice were related to increased bone mineral density and trabecular volume. Additionally, RT-PCR analysis established that NPY is not only expressed in MC3T3-E1 osteoblastic cells and bone marrow stromal cells (BMSCs), but is also detectable by RIA in BMSCs undergoing osteoblastic differentiation. In agreement with our in vivo observations, in vitro, TTR KO BMSCs differentiated in osteoblasts had increased NPY levels and exhibited enhanced competence in undergoing osteoblastic differentiation. In summary, this work contributes to a better understanding of the role of NPY in the regulation of bone formation by showing that this neuropeptide is expressed in bone cells and that increased amidated neuropeptide content is related to increased bone mass. {\textcopyright} 2009 FEBS.},
	keywords = {3T3 Cells, alpha amidating enzyme, Amidated neuropeptide, amidation, Amides, animal cell, animal tissue, Animals, article, Base Sequence, Bone Density, bone development, bone marrow cell, Bone Marrow Cells, Bone marrow stromal cells, bone mass, cartilage cell, cell differentiation, Cells, Cultured, Chondrocytes, controlled study, developmental stage, DNA Primers, embryo, embryo development, Homeostasis, immunohistochemistry, male, Mice, Mice, Knockout, mouse, Mus, neuropeptide Y, nonhuman, NPY, ossification, osteoblast, Osteoblastic differentiation, Osteoblasts, osteocyte, Osteocytes, peptide synthesis, prealbumin, priority journal, protein expression, protein function, radioimmunoassay, regulatory mechanism, reverse transcription polymerase chain reaction, RNA, Messenger, stroma cell, Stromal Cells, trabecular bone},
	isbn = {1742464X (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-73649127668\&partnerID=40\&md5=c25c87a8e1206fc9d2b878f9611581dd},
	author = {Nunes, A.F. and Liz, M.A. and Franquinho, F. and Teixeira, L. and Sousa, V. and Chenu, C. and Lamghari, M. and Sousa, M.M.}
}
@article {2306,
	title = {Cationic liposome-DNA complexes as gene delivery vectors: Development and behaviour towards bone-like cells},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {5},
	year = {2009},
	note = {Cited By (since 1996): 17Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2009.02.019PubMed ID: 19332382Language of Original Document: EnglishCorrespondence Address: Ferraz, M.P.; CEBIMED, Faculdade de Ci{\^e}ncias da Sa{\'u}, Universidade Fernando Pessoa, Rua Carlos da Maia, 296, 4200-150 Porto, Portugal; email: mpferraz@ufp.ptChemicals/CAS: 1,2 dioleoyl 3 trimethylammoniopropane, 144189-73-1; DNA, 9007-49-2; transferrin, 82030-93-1; DNA, 9007-49-2; LiposomesReferences: Luo, J., Sun, M.H., Kang, Q., Peng, Y., Jiang, W., Luu, H.H., Gene therapy for bone regeneration (2005) Curr Gene Ther, 5 (2), pp. 167-179;Oreffo, R.O.C., Triffitt, J.T., Future potentials for using osteogenic stem cells and biomaterials in orthopedics (1999) Bone, 25 (2 SUPPL. 1), pp. 5S-9S; 
Laurencin, C.T., Attawia, M.A., Lu, L.Q., Borden, M.D., Lu, H.H., Gorum, W.J., Poly(lactide-co-glycolide)/hydroxyapatite delivery of BMP-2-producing cells: a regional gene therapy approach to bone regeneration (2001) Biomaterials, 22 (11), pp. 1271-1277; 
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},
	month = {2009///},
	pages = {2142 - 2151},
	abstract = {Modulation of the biological pathways responsible for fracture repair and osteogenisis may accelerate regeneration. Gene therapy is an alternative method for the release of osteogenisis-stimulating proteins into tissues. The development of vectors for gene release is still a problem in terms of ethics and techniques. In this work we evaluated whether cationic liposomes constitute a valuable strategy for the release of genetic material into bone tissue cells as non-viral vectors. Liposomes were prepared with 1,2-dioleoyl-3-trimethylammonium propane (DOTAP)-2-dioleoyl-sn-glycero-3-phosphatidylethanolamine and DOTAP-cholesterol, and characterized according to their size, zeta potential, DNA protection capacity and cytotoxicity. Transfection studies were also carried out using pCMVβ-gal plasmid in two osteoblastic cell lines (MG63 and MC3T3-E1) and in the 294T line, varying the charge ratio and the applied DNA dose. Inclusion of transferrin to increase the expression was also tested. The results suggest that there is great dependency between the transfection activity and the lipid formulation, the charge ratios of the complexes, the applied DNA dose and the cell type. There were even some differences concerning both osteoblastic lines under study. The cells of the MC3T3-E1 line present greater expression levels than the cells of the MG-63 line. The conjugation of the transferrin with the complexes contributes to the increase in transfection levels, possibly due to an increase in internalization of complexes. It is thus a good strategy for inducing the expression of specific genes in osteoblast-like cells. {\textcopyright} 2009 Acta Materialia Inc.},
	keywords = {1,2 dioleoyl 3 trimethylammoniopropane, animal cell, Animals, article, bone cell, bone development, bone tissue, Cationic liposomes, Cell Line, cell type, complex formation, controlled study, Cytotoxicity, DNA, drug mechanism, gene expression regulation, Gene therapy, Gene transfer, genetic transfection, Genetic Vectors, human, human cell, internalization, lipoplex, liposome, Liposomes, materials testing, Mice, nonhuman, nonviral gene delivery system, osteoblast, Osteoblasts, Osteogenesis, Particle Size, plasmid, priority journal, Transfection, transferrin, Zeta potential},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-67349188484\&partnerID=40\&md5=b675ab7e6e97523c5d8923fa6e7f0d8b},
	author = {Oliveira, A.C. and Ferraz, M.P. and Monteiro, F.J. and Sim{\~o}es, S.}
}
@article {2311,
	title = {NPY signalling pathway in bone homeostasis: Y1 receptor as a potential drug target},
	journal = {Current Drug TargetsCurr. Drug Targets},
	volume = {10},
	year = {2009},
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},
	month = {2009///},
	pages = {9 - 19},
	abstract = {Neuropeptide (NPY) is a neurotransmitter widely distributed in central and peripheral nervous system that has been implicated in several physiological processes through activation of five different Y receptors: Y1, Y2, Y4, Y5, and y6. NPY system has been extensively studied for the last decades due to its implications in a wide variety of physiological processes. For this purpose a diversity of sophisticated animal models and receptors agonists and antagonists has been developed to better understand its actions throughout body homeostasis. Consequently, NPY and its receptors have recently emerged as a potential regulator of bone homeostasis. This is supported by the demonstration of an increase of bone mass in mice lacking Y1 or Y2 receptor genes. Recent findings revealed Y1 receptor as a potential drug target candidate for prevention and treatment of bone loss. Indeed, it has been demonstrated that osteoblasts express Y1 receptor while no other Y receptor was detected in these cells, implicating Y1 receptor signalling in the local control of bone turnover. In this review, we have summarized the findings obtained from studies on NPY system in skeletogenesis focusing on Y1 receptor. {\textcopyright} 2009 Bentham Science Publishers Ltd.},
	keywords = {1 [1 [3 [(3 piperidyl)]]propyl] 2 [[(4 chlorophenoxyl)methyl]indol 3 yl] 2 (4 piperidylpiperidyl)ethan 1 one, 2 [1 (3 chloro 5 isopropoxycarbonylaminophenyl)ethylamino] 6 [2 (5 ethyl 4 methyl 2 thiazolyl)ethyl] 4 morpholinopyridine, 2 [1 (3 chloro 5 isopropyloxycarbonylaminophenyl)ethylamino] 6 [2 (5 ethyl 4 methyl 1,3 thiazol 2 yl)ethyl] 4 morpholinopyridine, Amino Acid Sequence, animal, Animals, bone development, bone mass, bone remodeling, Bone remodelling, bone turnover, Brain, drug antagonism, drug effect, drug potentiation, drug targeting, genetics, gi 264879a, gr 231118, Homeostasis, human, Humans, ligand, Ligands, ly 357897, metabolism, molecular genetics, Molecular Sequence Data, n alpha [3,3 bis(1 naphthyl)propionyl]dextro arginine n [1 benzyl 2 methoxyethyl]amide, n [1 [4 [[[[4 [(dimethylamino)methyl]cyclohexyl]methyl]amino]iminomethyl]benzyl] 2 oxo 2 (1 pyrrolidinyl)ethyl] alpha [(2 naphthalenylsulfonyl)amino]benzenepropanamide, n2 diphenylacetyl n (4 ureidomethylbenzyl)argininamide, nalpha (diphenylacetyl) n (4 hydroxybenzyl) dextro argininamide, neuropeptide Y, neuropeptide Y receptor, neuropeptide Y receptor agonist, neuropeptide Y receptor antagonist, neuropeptide Y [25 dextro arginine], neuropeptide Y [26 dextro histidine], neuropeptide Y [31 leucine 34 proline], neuropeptide Y [6 arginine 34 proline], neuropeptide Y [7 phenylalanine 34 proline], neuropeptide Y1 receptor, neuropeptide Y2 receptor, neuropeptide Y4 receptor, neuropeptide Y5 receptor, neuropeptide Y6 receptor, nonhuman, osteoblast, osteoclast, osteolysis, peptide YY, peptide YY [31 leucine 34 proline], peptide YY [34 proline], pharmacological blocking, physiology, protein binding, protein expression, protein family, protein isolation, receptor intrinsic activity, Receptors, Neuropeptide Y, review, signal transduction, unclassified drug, Y1 receptor},
	isbn = {13894501 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-63049117952\&partnerID=40\&md5=2e70b182cba78971a24c5a8124b7799b},
	author = {Sousa, D.M. and Herzog, H. and Lamghari, M.}
}
@article {2415,
	title = {Cultivation of human embryonic stem cells without the embryoid body step enhances osteogenesis in vitro},
	journal = {Stem CellsStem Cells},
	volume = {24},
	year = {2006},
	note = {Cited By (since 1996): 80Export Date: 21 November 2012Source: ScopusCODEN: STCEEdoi: 10.1634/stemcells.2005-0383Language of Original Document: EnglishCorrespondence Address: Langer, R.S.; Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139-4307, United States; email: rlanger@mit.eduChemicals/CAS: apatite, 64476-38-6; calcium, 7440-70-2; collagen, 9007-34-5; dexamethasone, 50-02-2; hydroxyapatite, 1306-06-5, 51198-94-8; phosphorus, 7723-14-0; alkaline phosphatase, 9001-78-9; calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; osteocalcin, 136461-80-8; Alkaline Phosphatase, 3.1.3.1; Calcium Phosphates; Collagen, 9007-34-5; Osteocalcin, 104982-03-8; calcium phosphate, 10103-46-5References: Langer, R., Vacanti, J.P., Tissue engineering (1993) Science, 260, pp. 920-926;Alsberg, E., Anderson, K.W., Albeiruti, A., Cell-interactive alginate hydrogels for bone tissue engineering (2001) J Dent Res, 80, pp. 2025-2029; 
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},
	month = {2006///},
	pages = {835 - 843},
	abstract = {Osteogenic cultures of embryonic stem cells (ESCs) are predominately derived from three-dimensional cell spheroids called embryoid bodies (EBs). An alternative method that has been attempted and merits further attention avoids EBs through the immediate separation of ESC colonies into single cells. However, this method has not been well characterized and the effect of omitting the EB step is unknown. Herein, we report that culturing human embryonic stem cells (hESCs) without the EB stage leads to a sevenfold greater number of osteogenic cells and to spontaneous bone nodule formation after 10-12 days. In contrast, when hESCs were differentiated as EBs for 5 days followed by plating of single cells, bone nodules formed after 4 weeks only in the presence of dexamethasone. Furthermore, regardless of the inclusion of EBs, bone matrix formed, including cement line matrix and mineralized collagen, which displayed apatitic mineral (PO                        4) with calcium-to-phosphorous ratios similar to those of hydroxyapatite and human bone. Together these results demonstrate that culturing hESCs without an EB step can be used to derive large quantities of functional osteogenic cells for bone tissue engineering. {\textcopyright}AlphaMed Press.
},
	keywords = {alkaline phosphatase, Apatite, article, bone development, bone growth, bone matrix, bone mineralization, Bone tissue engineering, Calcium, calcium phosphate, Calcium phosphates, Cell Culture Techniques, cell differentiation, cell separation, Collagen, collagen synthesis, culture technique, cytology, dexamethasone, embryo, embryo culture, Embryoid bodies, embryonic stem cell, extracellular matrix, human, human cell, human embryo, Human embryonic stem cells, Humans, hydroxyapatite, in vitro study, Matrix characterization, metabolism, methodology, ossification, osteocalcin, Osteogenesis, Osteogenic cell frequency, phosphorus, spheroid cell, Tissue engineering, totipotent stem cell, Totipotent Stem Cells},
	isbn = {10665099 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33745504422\&partnerID=40\&md5=214785ea9403886207b058cb87570338},
	author = {Karp, J.M. and Ferreira, L.S. and Khademhosseini, A. and Kwon, A.H. and Yeh, J. and Langer, R.S.}
}
@article {2411,
	title = {Histological and scanning electron microscopy analyses of bone/implant interface using the novel Bonelike{\textregistered} synthetic bone graft},
	journal = {Journal of Orthopaedic ResearchJ. Orthop. Res.},
	volume = {24},
	year = {2006},
	note = {Cited By (since 1996): 6Export Date: 21 November 2012Source: ScopusCODEN: JOREDdoi: 10.1002/jor.20117Language of Original Document: EnglishCorrespondence Address: Santos, J.D.; DEMM, Faculty of Engg., University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; email: jdsantos@fe.up.ptChemicals/CAS: Bone SubstitutesTradenames: Bonelike; JSM 630IF, JeolManufacturers: JeolReferences: Peter, P., Heinrich, R., Meinrad, P., (2003) Orthopaedic Issues in Osteoporosis, , YH An, editor. Boca Raton, FL: CRC Press;Hench, L.L., Wilson, J., (1999) An Introduction to Bioceramics, , Singapore: World Scientific Publishing Co. Pvt. Ltd; 
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},
	month = {2006///},
	pages = {953 - 958},
	abstract = {Synthetic bone grafts provide an alternative to autografts and allografts. Bonelike{\textregistered} is a patented synthetic bone graft that mimics the mineral composition of bone. The aim of the present work was to assess the biological behavior of Bonelike{\textregistered} graft in humans, before using the material in orthopedic applications of bone regeneration, for example, in opening wedge high tibial osteotomies for medial knee osteoarthritis. Bonelike{\textregistered} granules were implanted in cortical bone of 11 patients undergoing osteotomies, and new bone formation, osteoconductive properties, and resorption characteristics of the granules were analyzed. The granules ranged from 500 to 1000 μm and were implanted in the lateral aspect of the tibia. The patients{\textquoteright} mean age was 59 years (range 48 to 70 years); there were eight women and three men, all suffering from medial compartment osteoarthritis of the knee. At surgery, a 1 {\texttimes} 1 {\texttimes} 1-cm cortical defect was created 3 cm distal to the entry point of the screws, in line with the long axis of tibia. The implanted Bonelike{\textregistered} graft sample was extracted for analysis during removal of the metallic prosthesis after implantation times of 6, 9, and 12 months. Radiological follow-up, scanning electron microscopy, histological analysis, and histomorphometric measurements were conducted on the retrieved samples to assess bone regeneration in the defect area. Osteoconductive capacity was demonstrated by extensive mature bone formation around the implanted granules and high levels of percentage bone-to-graft contact (from 67-84\%). Bonelike{\textregistered} acted as an excellent bioactive scaffold, allowing the migration, proliferation, and differentiation of bone cells on its surface, and therefore regeneration of the defects was achieved in a rapid, controlled manner. Our results suggest that Bonelike{\textregistered} graft is an excellent candidate for orthopedic applications where rapid new bone formation is a fundamental requirement. {\textcopyright} 2006 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.},
	keywords = {adult, aged, article, Bone, Bone and Bones, bone cell, bone conduction, bone development, Bone graft, bone prosthesis, bone radiography, Bone Regeneration, bone screw, Bone Substitutes, bone transplantation, Bonelike{\textregistered}, cell differentiation, cell migration, cell proliferation, Clinical applications, clinical article, controlled study, Female, follow up, Histological analysis, histology, human, Humans, knee osteoarthritis, male, Microscopy, Electron, Scanning, Middle Aged, morphometrics, orthopedics, ossification, Osteoconduction, Osteogenesis, osteolysis, Pathology, priority journal, Prostheses and Implants, prostheses and orthoses, prosthesis material, Scanning electron microscopy, surgical technique, Synthetic bone graft, tibia osteotomy, ultrastructure},
	isbn = {07360266 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33744465532\&partnerID=40\&md5=ef625229b1616ab24217a9235a89286e},
	author = {Gutierres, M. and Hussain, N.S. and Lopes, M.A. and Alfonso, A. and Cabral, A.T. and Almeida, L. and Santos, J.D.}
}
@article {2453,
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	year = {2005},
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},
	month = {2005///},
	pages = {153 - 162},
	abstract = {Bone grafts are nowadays the subject of extensive research worldwide, aimed at overcoming limitations associated with the use of autografts or bone banks to fill bone defects. Additionally, the use of osteogenic substances opens new perspectives in the treatment of fractures, pseudarthroses and vertebral arthrodeses. Due to the large amount of information available in the area of bone grafts, this paper aims not only to revise general concepts but also to summarize what has been published recently in the area of bone substitutes for bone regeneration. {\textcopyright}ArquiMed, 2006.},
	keywords = {Autografts, biomaterial, bone defect, bone demineralization, bone development, Bone graft, Bone growth factors, Bone morphogenetic protein, bone prosthesis, calcium phosphate, calcium sulfate, cortical bone, fibroblast growth factor, fracture, health care facility, health status, human, hydroxyapatite, platelet derived growth factor, pseudarthrosis, publication, review, somatomedin C derivative, spondylarthritis, transforming growth factor},
	isbn = {08713413 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33748855173\&partnerID=40\&md5=494dbb696981df5711e7dda7d1393224},
	author = {Gutierres, M. and Ascens{\~a}o Lopes, M. and Sooraj Hussain, N. and Trigo Cabral, A. and Almeida, L. and Domingos Santos, J.}
}
@article {2444,
	title = {Rat bone marrow stromal cell osteogenic differentiation and fibronectin adsorption on chitosan membranes: The effect of the degree of acetylation},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {75},
	year = {2005},
	note = {Cited By (since 1996): 25Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.30436PubMed ID: 16092111Language of Original Document: EnglishCorrespondence Address: Amaral, I.F.; INEB-Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: iamaral@ineb.up.ptChemicals/CAS: chitosan, 9012-76-4; fibronectin, 86088-83-7; polystyrene, 9003-53-6; Chitosan, 9012-76-4; Coated Materials, Biocompatible; FibronectinsReferences: VandeVord, P.J., Matthew, H.W.T., DeSilva, S.P., Mayton, L., Wu, B., Wooley, P.H., Evaluation of the biocompatibility of a chitosan scaffold in mice (2002) J Biomed Mater Res, 59 (3), pp. 585-590;Muzzarelli, R.A.A., Human enzymatic activities related to the therapeutic administration of chitin derivatives (1997) Cell Mol Life Sci, (53), pp. 131-140; 
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},
	month = {2005///},
	pages = {387 - 397},
	abstract = {Cell adhesion, migration, and proliferation of a few anchorage-dependent cells cultured on chitosan (Ch) matrices are influenced by the degree of N-acetylation (DA) of Ch. In the present work, we examined the influence of the DA on the attachment, spreading, proliferation, and osteogenic differentiation of rat bone marrow stromal cells (rBM-SCs). Ch membranes were characterized in terms of surface morphology, roughness, and wettability, and in terms of adsorption of an adhesive protein, fibronectin (Fn). Chs with DAs in the range of 4 to 49\% were used. Among the Ch samples, the DA of 4\% led to the highest Fn surface concentration, both from single protein solution and from diluted serum. Furthermore, the levels of Fn adsorbed from serum found for this DA were threefold higher than for the tissue culture polystyrene control, indicating that in the presence of competitive proteins Ch is more specific toward Fn adsorption than tissue culture polystyrene. rBMSCs cultured on Ch carrying a DA of 4\% were able to spread, proliferate, and differentiate, reaching a higher level of osteogenic differentiation than on the control, despite the lower cell attachment observed for all Ch samples. Because the Ch sample with a DA of 4\% showed the highest Fn adsorption from serum, we suggest that cell adhesion, spreading, and osteogenic differentiation of rBMSCs on Ch may be mediated by the adsorbed layer of Fn. {\textcopyright} 2005 Wiley Periodicals, Inc.},
	keywords = {Acetylation, Adhesion, Adsorption, animal cell, Animals, article, artificial membrane, binding affinity, binding competition, Bone, bone development, bone marrow cell, Bone Marrow Cells, Bone marrow stomal cells, Bone marrow stromal cells, cell adhesion, cell anchorage, Cell culture, cell differentiation, Cell membranes, cell migration, cell proliferation, Cell Shape, cell spreading, chitosan, Coated Materials, Biocompatible, controlled study, cytoskeleton, Degree of acetylation, Fibronectin, Fibronectins, male, materials testing, morphology, nonhuman, polystyrene, Proteins, rat, Rats, Rats, Wistar, roughness, stroma cell, Stromal Cells, Surface Properties, surface property, Tissue culture, wettability},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-26844551535\&partnerID=40\&md5=fa91e3e29d946053ae7bb231b6a2640e},
	author = {Amaral, I.F. and Lamghari, M. and Sousa, S.R. and Sampaio, P. and Barbosa, M.A.}
}
@article {2540,
	title = {Comparative effects of nacre water-soluble matrix and dexamethasone on the alkaline phosphatase activity of MRC-5 fibroblasts},
	journal = {Journal of Biomedical Materials ResearchJ. Biomed. Mater. Res.},
	volume = {57},
	year = {2001},
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},
	month = {2001///},
	pages = {306 - 312},
	abstract = {In this study we demonstrate, for the first time, that dexamethasone and BMP-2 stimulated alkaline phosphatase (ALP) activity in MRC-5 fibroblasts, a cell line derived from human fetal lung. Previously we reported that the water-soluble matrix (WSM) of nacre obtained from the inner shell layer of the oyster Pinctada maxima, promoted an increase in ALP activity that was dose-dependent. In this work, we show that the effect of WSM is also time-dependent. As a comparison, the effect of WSM was also tested in bone marrow stromal cells because marrow and other bone surface-derived osteoblast stem cells have the inherent direct potential for osteogenesis. WSM promotes cell proliferation and ALP activity when tested with bone marrow cells in concentrations between 135 and 540 μg protein/mL. The effect of WSM on ALP activity of bone marrow stromal cells is similar to that obtained by dexamethasone. These results imply that MRC-5 fibroblasts respond to differentiating factors that promote osteoblastic phenotype in bone-derived cell cultures. {\textcopyright} 2001 John Wiley \& Sons, Inc.},
	keywords = {alkaline phosphatase, Animals, article, Biomedical engineering, BMP-2, Bone, bone development, bone marrow, Bone Marrow Cells, Bone morphogenetic proteins, Cell culture, Cell Line, cell proliferation, Cells, concentration response, dexamethasone, differentiation inducing factor, dose response, Dose-Response Relationship, Drug, enzyme activity, fibroblast, Fibroblasts, Glucocorticoids, human, human cell, Humans, male, MRC-5 fibroblasts, Nacre, natural product, osteoblast, Ostreidae, oyster, phenotype, Proteins, Pulmonary diseases, Rats, Rats, Wistar, Solubility, stroma cell, time, Time Factors, Transforming Growth Factor beta, unclassified drug, Water, Water-soluble matrix},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034769134\&partnerID=40\&md5=f0ec664a074b3a67745c806152793d54},
	author = {Almeida, M.J. and Pereira, L. and Milet, C. and Haigle, J. and Barbosa, M. and Lopez, E.}
}
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	title = {Effects of AISI 316L corrosion products in in vitro bone formation},
	journal = {BiomaterialsBiomaterials},
	volume = {19},
	year = {1998},
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},
	month = {1998///},
	pages = {999 - 1007},
	publisher = {Elsevier Sci Ltd},
	abstract = {Rat bone marrow cells were cultured in experimental conditions that favour the proliferation and differentiation of osteoblastic cells (i.e., 2.52 x 10},
	keywords = {Absorption spectroscopy, alkaline phosphatase, animal cell, Animal cell culture, Animals, article, ascorbic acid, atomic absorption spectrometry, Bioassay, Biomaterials, bone development, bone marrow cell, Bone Marrow Cells, Calcium, Calcium phosphates, Cell culture, Cell Death, Cells, Cultured, Corrosion, Corrosion products, culture medium, dexamethasone, electrochemical analysis, electrochemistry, Enzymes, glycerophosphate, histochemistry, Histocytochemistry, in vitro study, male, metal ion, Mineralisation, mineralization, nonhuman, ossification, osteoblast, Osteoblast-like cells, Osteoblasts, phosphate, Phosphate minerals, phosphorus, priority journal, rat, Rats, Rats, Wistar, Scanning electron microscopy, Slurries, Stainless steel, Stainless steel 316L, Stainless-steel corrosion products, Steel corrosion},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0032102774\&partnerID=40\&md5=1b60be114642b919f64414bb11673a19},
	author = {Morais, S. and Sousa, J.P. and Fernandes, M.H. and Carvalho, G.S. and De Bruijn, J.D. and Van Blitterswijk, C.A.}
}
