



@article {2236,
	title = {Covalent immobilization of antimicrobial peptides (AMPs) onto biomaterial surfaces},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {7},
	year = {2011},
	note = {Cited By (since 1996): 24Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2010.11.005PubMed ID: 21056701Language of Original Document: EnglishCorrespondence Address: Martins, M. C. L.; 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: cmartins@ineb.up.ptChemicals/CAS: amoxicillin, 26787-78-0, 34642-77-8, 61336-70-7; ampicillin, 69-52-3, 69-53-4, 7177-48-2, 74083-13-9, 94586-58-0; carbenicillin, 17230-86-3, 4697-36-3, 4800-94-6; cefazolin, 25953-19-9, 27164-46-1; gentamicin, 1392-48-9, 1403-66-3, 1405-41-0; penicillin G, 1406-05-9, 61-33-6; teicoplanin, 61036-62-2, 61036-64-4; tobramycin, 32986-56-4; vancomycin, 1404-90-6, 1404-93-9; Antimicrobial Cationic Peptides; Biocompatible Materials; Coated Materials, Biocompatible; Immobilized ProteinsReferences: Glinel, K., Jonas, A.M., Jouenne, T., Leprince, J., Galas, L., Huck, W.T., Antibacterial and antifouling polymer brushes incorporating antimicrobial peptide (2009) Bioconj Chem, 20 (1), pp. 71-77;Vila, J., Soriano, A., Mensa, J., Molecular basis of microbial adherence to prosthetic materials. Role of biofilms in prosthesis-associated infection (2008) Enferm Infecc Microbiol Clin, 26 (1), pp. 48-54; 
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},
	month = {2011///},
	pages = {1431 - 1440},
	abstract = {Bacterial adhesion to biomaterials remains a major problem in the medical devices field. Antimicrobial peptides (AMPs) are well-known components of the innate immune system that can be applied to overcome biofilm-associated infections. Their relevance has been increasing as a practical alternative to conventional antibiotics, which are declining in effectiveness. The recent interest focused on these peptides can be explained by a group of special features, including a wide spectrum of activity, high efficacy at very low concentrations, target specificity, anti-endotoxin activity, synergistic action with classical antibiotics, and low propensity for developing resistance. Therefore, the development of an antimicrobial coating with such properties would be worthwhile. The immobilization of AMPs onto a biomaterial surface has further advantages as it also helps to circumvent AMPs{\textquoteright} potential limitations, such as short half-life and cytotoxicity associated with higher concentrations of soluble peptides. The studies discussed in the current review report on the impact of covalent immobilization of AMPs onto surfaces through different chemical coupling strategies, length of spacers, and peptide orientation and concentration. The overall results suggest that immobilized AMPs may be effective in the prevention of biofilm formation by reduction of microorganism survival post-contact with the coated biomaterial. Minimal cytotoxicity and long-term stability profiles were obtained by optimizing immobilization parameters, indicating a promising potential for the use of immobilized AMPs in clinical applications. On the other hand, the effects of tethering on mechanisms of action of AMPs have not yet been fully elucidated. Therefore, further studies are recommended to explore the real potential of immobilized AMPs in health applications as antimicrobial coatings of medical devices. {\textcopyright} 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.},
	keywords = {Amino Acid Sequence, amoxicillin, ampicillin, Animals, antibiotic agent, antibiotic resistance, Antimicrobial Cationic Peptides, Antimicrobial peptides, Bacteria (microorganisms), Bacterial adhesion, bacterial survival, Biocompatible Materials, biofilm, Biofilms, biomaterial, carbenicillin, cefazolin, Coated Materials, Biocompatible, Cytotoxicity, drug activity, drug half life, drug solubility, drug stability, drug targeting, gentamicin, human, Humans, Immobilized Proteins, Molecular Sequence Data, mouth inflammation, Nanostructured surfaces, nonhuman, penicillin G, polypeptide antibiotic agent, priority journal, review, sepsis, skin infection, soft tissue infection, Surface functionalization, Surface Properties, teicoplanin, tobramycin, vancomycin},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79952187401\&partnerID=40\&md5=70d486a4c6e1ba88f804c0f0d4f4e510},
	author = {Costa, F. and Carvalho, I.F. and Montelaro, R.C. and Gomes, P. and Martins, M.C.L.}
}
@article {2352,
	title = {Cell-induced response by tetracyclines on human bone marrow colonized hydroxyapatite and Bonelike                    {\textregistered}
                
},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {4},
	year = {2008},
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},
	month = {2008///},
	pages = {630 - 637},
	abstract = {Semi-synthetic tetracyclines are commonly used antibiotics that also seem to play an important role in the modulation of the immuno-inflammatory imbalance, verified in several bone diseases. The association of a therapeutic agent (that prevents bacterial infection and induces tissue formation) to a biomaterial aiming to repair/regenerate bone defects could contribute to a more predictable clinical outcome. The present study intends to evaluate the proliferation and functional activity of osteoblast-induced human bone marrow cells, cultured on the surface of hydroxyapatite (HA) and Bonelike                        {\textregistered}, in the presence of therapeutic concentrations of doxycycline and minocycline. First passage bone marrow cells were cultured for 35 days on the surface of HA and Bonelike
                        {\textregistered} discs, in the absence or presence of 1 μg ml
},
	keywords = {adult, alkaline phosphatase, alkaline phosphatase bone isoenzyme, antimicrobial activity, article, Bacteria (microorganisms), bone infection, bone marrow cell, Bone Marrow Cells, Bone Substitutes, Bonelike, Calcium, calcium phosphate, Cell culture, cell function, cell proliferation, cell survival, cell viability, Cells, Cultured, concentration response, controlled study, Culture Media, culture medium, doxycycline, Durapatite, enzyme activity, extracellular matrix, glass, human, human cell, Humans, hydroxyapatite, implant, Microscopy, Electron, Scanning, Middle Aged, Minerals, minocycline, osteoblast, Osteoblasts, priority journal, Scanning electron microscopy, stroma cell, Tetracycline, tetracycline derivative, Tetracyclines, X-Ray Diffraction},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-41549100057\&partnerID=40\&md5=da9f976ed0f5c4ac2999670cc373bdd3},
	author = {Gomes, P.S. and Santos, J.D. and Fernandes, M.H.}
}
