1
|
Ghezzi D, Graziani G, Cappelletti M, Fadeeva IV, Montesissa M, Sassoni E, Borciani G, Barbaro K, Boi M, Baldini N, Rau JV. New strontium-based coatings show activity against pathogenic bacteria in spine infection. Front Bioeng Biotechnol 2024; 12:1347811. [PMID: 38665815 PMCID: PMC11044685 DOI: 10.3389/fbioe.2024.1347811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Infections of implants and prostheses represent relevant complications associated with the implantation of biomedical devices in spine surgery. Indeed, due to the length of the surgical procedures and the need to implant invasive devices, infections have high incidence, interfere with osseointegration, and are becoming increasingly difficult to threat with common therapies due to the acquisition of antibiotic resistance genes by pathogenic bacteria. The application of metal-substituted tricalcium phosphate coatings onto the biomedical devices is a promising strategy to simultaneously prevent bacterial infections and promote osseointegration/osseoinduction. Strontium-substituted tricalcium phosphate (Sr-TCP) is known to be an encouraging formulation with osseoinductive properties, but its antimicrobial potential is still unexplored. To this end, novel Sr-TCP coatings were manufactured by Ionized Jet Deposition technology and characterized for their physiochemical and morphological properties, cytotoxicity, and bioactivity against Escherichia coli ATCC 8739 and Staphylococcus aureus ATCC 6538P human pathogenic strains. The coatings are nanostructured, as they are composed by aggregates with diameters from 90 nm up to 1 μm, and their morphology depends significantly on the deposition time. The Sr-TCP coatings did not exhibit any cytotoxic effects on human cell lines and provided an inhibitory effect on the planktonic growth of E. coli and S. aureus strains after 8 h of incubation. Furthermore, bacterial adhesion (after 4 h of exposure) and biofilm formation (after 24 h of cell growth) were significantly reduced when the strains were cultured on Sr-TCP compared to tricalcium phosphate only coatings. On Sr-TCP coatings, E. coli and S. aureus cells lost their organization in a biofilm-like structure and showed morphological alterations due to the toxic effect of the metal. These results demonstrate the stability and anti-adhesion/antibiofilm properties of IJD-manufactured Sr-TCP coatings, which represent potential candidates for future applications to prevent prostheses infections and to promote osteointegration/osteoinduction.
Collapse
Affiliation(s)
- Daniele Ghezzi
- University of Bologna, Department of Pharmacy and Biotechnology, Bologna, Italy
| | - Gabriela Graziani
- IRCCS Istituto Ortopedico Rizzoli, Biomedical Science and Technologies and Nanobiotechnology Lab, Bologna, Italy
| | - Martina Cappelletti
- University of Bologna, Department of Pharmacy and Biotechnology, Bologna, Italy
| | - Inna V. Fadeeva
- AA Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Moscow, Russia
| | - Matteo Montesissa
- University of Bologna, Department of Biomedical and Neuromotor Sciences, Bologna, Italy
| | - Enrico Sassoni
- University of Bologna, Department of Civil, Chemical, Environmental and Materials Engineering, Bologna, Italy
| | - Giorgia Borciani
- IRCCS Istituto Ortopedico Rizzoli, Biomedical Science and Technologies and Nanobiotechnology Lab, Bologna, Italy
| | | | - Marco Boi
- IRCCS Istituto Ortopedico Rizzoli, Biomedical Science and Technologies and Nanobiotechnology Lab, Bologna, Italy
| | - Nicola Baldini
- IRCCS Istituto Ortopedico Rizzoli, Biomedical Science and Technologies and Nanobiotechnology Lab, Bologna, Italy
- University of Bologna, Department of Biomedical and Neuromotor Sciences, Bologna, Italy
| | - Julietta V. Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Rome, Italy
| |
Collapse
|
2
|
Deyneko DV, Lebedev VN, Barbaro K, Titkov VV, Lazoryak BI, Fadeeva IV, Gosteva AN, Udyanskaya IL, Aksenov SM, Rau JV. Antimicrobial and Cell-Friendly Properties of Cobalt and Nickel-Doped Tricalcium Phosphate Ceramics. Biomimetics (Basel) 2023; 9:14. [PMID: 38248588 PMCID: PMC10813436 DOI: 10.3390/biomimetics9010014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
β-Tricalcium phosphate (β-TCP) is widely used as bone implant material. It has been observed that doping the β-TCP structure with certain cations can help in combating bacteria and pathogenic microorganisms. Previous literature investigations have focused on tricalcium phosphate structures with silver, copper, zinc, and iron cations. However, there are limited studies available on the biological properties of β-TCP containing nickel and cobalt ions. In this work, Ca10.5-xNix(PO4)7 and Ca10.5-xCox(PO4)7 solid solutions with the β-Ca3(PO4)2 structure were synthesized by a high-temperature solid-state reaction. Structural studies revealed the β-TCP structure becomes saturated at 9.5 mol/% for Co2+ or Ni2+ ions. Beyond this saturation point, Ni2+ and Co2+ ions form impurity phases after complete occupying of the octahedral M5 site. The incorporation of these ions into the β-TCP crystal structure delays the phase transition to the α-TCP phase and stabilizes the structure as the temperature increases. Biocompatibility tests conducted on adipose tissue-derived mesenchymal stem cells (aMSC) using the (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) (MTT) assay showed that all prepared samples did not exhibit cytotoxic effects. Furthermore, there was no inhibition of cell differentiation into the osteogenic lineage. Antibacterial properties were studied on the C. albicans fungus and on E. coli, E. faecalis, S. aureus, and P. aeruginosa bacteria strains. The Ni- and Co-doped β-TCP series exhibited varying degrees of bacterial growth inhibition depending on the doping ion concentration and the specific bacteria strain or fungus. The combination of antibacterial activity and cell-friendly properties makes these phosphates promising candidates for anti-infection bone substitute materials.
Collapse
Affiliation(s)
- Dina V. Deyneko
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (V.V.T.); (B.I.L.)
- Laboratory of Arctic Mineralogy and Material Sciences, Kola Science Centre RAS, 14 Fersman Str., 184209 Apatity, Russia;
| | - Vladimir N. Lebedev
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (V.V.T.); (B.I.L.)
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale Lazio e Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy;
| | - Vladimir V. Titkov
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (V.V.T.); (B.I.L.)
| | - Bogdan I. Lazoryak
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (V.V.T.); (B.I.L.)
| | - Inna V. Fadeeva
- A.A. Baikov Institute of Metallurgy and Material Science, Russian Academy of Sciences, Leninsky Prospect 49, 119334 Moscow, Russia;
| | - Alevtina N. Gosteva
- Tananaev Institute of Chemistry, Kola Science Centre RAS, Akademgorodok 26A, 184209 Apatity, Russia;
| | - Irina L. Udyanskaya
- Department of Analytical, Physical and Colloid Chemistry, Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University, Trubetskaya 8, Build. 2, 119048 Moscow, Russia;
| | - Sergey M. Aksenov
- Laboratory of Arctic Mineralogy and Material Sciences, Kola Science Centre RAS, 14 Fersman Str., 184209 Apatity, Russia;
- Geological Institute, Kola Science Centre, Russian Academy of Sciences, 14 Fersman Street, 184209 Apatity, Russia
| | - Julietta V. Rau
- Department of Analytical, Physical and Colloid Chemistry, Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University, Trubetskaya 8, Build. 2, 119048 Moscow, Russia;
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy
| |
Collapse
|
3
|
Cardoso GC, Barbaro K, Kuroda PAB, De Bonis A, Teghil R, Krasnyuk II, Imperatori L, Grandini CR, Rau JV. Antimicrobial Cu-Doped TiO 2 Coatings on the β Ti-30Nb-5Mo Alloy by Micro-Arc Oxidation. Materials (Basel) 2023; 17:156. [PMID: 38204010 PMCID: PMC10779965 DOI: 10.3390/ma17010156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/23/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024]
Abstract
Among the different surface modification techniques, micro-arc oxidation (MAO) is explored for its ability to enhance the surface properties of Ti alloys by creating a controlled and durable oxide layer. The incorporation of Cu ions during the MAO process introduces additional functionalities to the surface, offering improved corrosion resistance and antimicrobial activity. In this study, the β-metastable Ti-30Nb-5Mo alloy was oxidated through the MAO method to create a Cu-doped TiO2 coating. The quantity of Cu ions in the electrolyte was changed (1.5, 2.5, and 3.5 mMol) to develop coatings with different Cu concentrations. X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron and atomic force microscopies, contact angle, and Vickers microhardness techniques were applied to characterize the deposited coatings. Cu incorporation increased the antimicrobial activity of the coatings, inhibiting the growth of Staphylococcus aureus, Enterococcus faecalis, Pseudomonas aeruginosa bacteria strains, and Candida albicans fungus by approximately 44%, 37%, 19%, and 41%, respectively. Meanwhile, the presence of Cu did not inhibit the growth of Escherichia coli. The hardness of all the deposited coatings was between 4 and 5 GPa. All the coatings were non-cytotoxic for adipose tissue-derived mesenchymal stem cells (AMSC), promoting approximately 90% of cell growth and not affecting the AMSC differentiation into the osteogenic lineage.
Collapse
Affiliation(s)
- Giovana Collombaro Cardoso
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (P.A.B.K.); (C.R.G.)
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy; (L.I.); (J.V.R.)
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale Lazio e Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy;
| | - Pedro Akira Bazaglia Kuroda
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (P.A.B.K.); (C.R.G.)
| | - Angela De Bonis
- Dipartimento di Scienze, Università della Basilicata, Via dell’Ateneo Lucano 10, 85100 Potenza, Italy; (A.D.B.); (R.T.)
| | - Roberto Teghil
- Dipartimento di Scienze, Università della Basilicata, Via dell’Ateneo Lucano 10, 85100 Potenza, Italy; (A.D.B.); (R.T.)
| | - Ivan I. Krasnyuk
- Department of Analytical, Physical and Colloid Chemistry, Institute of Pharmacy, Sechenov First Moscow State Medical University, Trubetskaya 8, Build. 2, 119048 Moscow, Russia;
| | - Luca Imperatori
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy; (L.I.); (J.V.R.)
| | - Carlos Roberto Grandini
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (P.A.B.K.); (C.R.G.)
| | - Julietta V. Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy; (L.I.); (J.V.R.)
- Department of Analytical, Physical and Colloid Chemistry, Institute of Pharmacy, Sechenov First Moscow State Medical University, Trubetskaya 8, Build. 2, 119048 Moscow, Russia;
| |
Collapse
|
4
|
Canonici F, Marcoccia D, Bonini P, Monteleone V, Innocenzi E, Zepparoni A, Altigeri A, Caciolo D, Tofani S, Ghisellini P, Rando C, Pechkova E, Rau JV, Eggenhöffner R, Scicluna MT, Barbaro K. Arthroscopic Treatment of a Subchondral Bone Cyst via Stem Cells Application: A Case Study in Equine Model and Outcomes. Biomedicines 2023; 11:3307. [PMID: 38137527 PMCID: PMC10741679 DOI: 10.3390/biomedicines11123307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Subchondral bone cysts in horses represent one of the main causes of lameness that can occur in different anatomical locations. The study describes the treatment in regenerative therapy of the intracystic implantation of adipose tissue mesenchymal stromal cells (AMSCs) included in platelet-rich plasma (PRP). The ability of AMSCs to differentiate in osteogenic cells was tested in vitro and in vivo. Given the aim to investigate the application of AMSCs in bone defects and orthopedic pathologies in horses, a four-year-old male thoroughbred racing horse that had never raced before was treated for lameness of the left hind leg caused by a cyst of the medial femoral condyle. The horse underwent a new surgery performed with an arthroscopic approach in which the cystic cavity was filled with AMSCs contained in the PRP. Radiographs were taken 3, 5, and 10 months after the surgery to assess the development of newly regenerated bone tissue in the gap left by the cyst. Twelve months after the operation and after six months of regular daily training, the horse did not show any symptoms of lameness and started a racing career. According to the study, the use of AMSCs and PRP suggests promising benefits for treating subchondral bone cysts.
Collapse
Affiliation(s)
- Fernando Canonici
- Equine Practice srl, Campagnano, Strada Valle del Baccano 80, 00063 Roma, Italy;
| | - Daniele Marcoccia
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Pamela Bonini
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Valentina Monteleone
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Elisa Innocenzi
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Alessia Zepparoni
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Annalisa Altigeri
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Daniela Caciolo
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Silvia Tofani
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Paola Ghisellini
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy; (P.G.); (C.R.); (R.E.)
| | - Cristina Rando
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy; (P.G.); (C.R.); (R.E.)
| | - Eugenia Pechkova
- Consorzio Interuniversitario INBB, Viale delle Medaglie d’Oro, 305, 00136 Roma, Italy;
- Laboratories of Biophysics and Nanotechnology, Department of Experimental Medicine (DIMES), Genova University, Via Pastore 3, 16132 Genova, Italy
| | - Julietta V. Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy;
| | - Roberto Eggenhöffner
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy; (P.G.); (C.R.); (R.E.)
| | - Maria Teresa Scicluna
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (D.M.); (P.B.); (V.M.); (E.I.); (A.Z.); (A.A.); (D.C.); (S.T.); (M.T.S.)
| |
Collapse
|
5
|
Eggenhöffner R, Ghisellini P, Rando C, Pechkova E, Terencio T, Mazzolai B, Giacomelli L, Barbaro K, Benedicenti S. Innovative Nanostructured Fillers for Dental Resins: Nanoporous Alumina and Titania Nanotubes. Biomedicines 2023; 11:1926. [PMID: 37509565 PMCID: PMC10377199 DOI: 10.3390/biomedicines11071926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/30/2023] [Accepted: 07/01/2023] [Indexed: 07/30/2023] Open
Abstract
The possibility of improving dental restorative materials is investigated through the addition of two different types of fillers to a polymeric resin. These fillers, consisting of porous alumina and TiO2 nanotubes, are compared based on their common physicochemical properties on the nanometric scale. The aim was to characterize and compare the surface morphological properties of composite resins with different types of fillers using analytical techniques. Moreover, ways to optimize the mechanical, surface, and aesthetic properties of reinforced polymer composites are discussed for applications in dental treatments. Filler-reinforced polymer composites are the most widely used materials in curing dental pathologies, although it remains necessary to optimize properties such as mechanical resistance, surface characteristics, and biocompatibility. Anodized porous alumina nanoparticles prepared by electrochemical anodization offer a route to improve mechanical properties and biocompatibility as well as to allow for the controlled release of bioactive molecules that can promote tissue integration and regeneration. The inclusion of TiO2 nanotubes prepared by hydrothermal treatment in the resin matrix promotes the improvement of mechanical and physical properties such as strength, stiffness, and hardness, as well as aesthetic properties such as color stability and translucency. The surface morphological properties of composite resins with anodized porous alumina and TiO2 nanotube fillers were characterized by Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM), and X-ray chemical analysis. In addition, the stress-strain behavior of the two composite resins is examined in comparison with enamel and dentin.
Collapse
Affiliation(s)
- Roberto Eggenhöffner
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy
- Biostructures and Biosystems National Institute, Viale delle Medaglie D'Oro 305, 00136 Rome, Italy
| | - Paola Ghisellini
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy
- Biostructures and Biosystems National Institute, Viale delle Medaglie D'Oro 305, 00136 Rome, Italy
| | - Cristina Rando
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy
| | - Eugenia Pechkova
- Biostructures and Biosystems National Institute, Viale delle Medaglie D'Oro 305, 00136 Rome, Italy
- Laboratories of Biophysics and Nanotechnology, Department of Experimental Medicine (DIMES), Genova University, Via A. Pastore 3, 16132 Genova, Italy
| | - Tercio Terencio
- Istituto Italiano di Tecnologia (IIT), Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Barbara Mazzolai
- Istituto Italiano di Tecnologia (IIT), Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Luca Giacomelli
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy
| | - Katia Barbaro
- Biostructures and Biosystems National Institute, Viale delle Medaglie D'Oro 305, 00136 Rome, Italy
- Istituto Zooprofilattico Sperimentale Lazio e Toscana "M. Aleandri", 00178 Rome, Italy
| | - Stefano Benedicenti
- Department of Surgical Sciences and Integrated Diagnostics (DISC), Genova University, Corso Europa 30, 16132 Genova, Italy
| |
Collapse
|
6
|
Canonici F, Cocumelli C, Cersini A, Marcoccia D, Zepparoni A, Altigeri A, Caciolo D, Roncoroni C, Monteleone V, Innocenzi E, Alimonti C, Ghisellini P, Rando C, Pechkova E, Eggenhöffner R, Scicluna MT, Barbaro K. Articular Cartilage Regeneration by Hyaline Chondrocytes: A Case Study in Equine Model and Outcomes. Biomedicines 2023; 11:1602. [PMID: 37371697 DOI: 10.3390/biomedicines11061602] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Cartilage injury defects in animals and humans result in the development of osteoarthritis and the progression of joint deterioration. Cell isolation from equine hyaline cartilage and evaluation of their ability to repair equine joint cartilage injuries establish a new experimental protocol for an alternative approach to osteochondral lesions treatment. Chondrocytes (CCs), isolated from the autologous cartilage of the trachea, grown in the laboratory, and subsequently arthroscopically implanted into the lesion site, were used to regenerate a chondral lesion of the carpal joint of a horse. Biopsies of the treated cartilage taken after 8 and 13 months of implantation for histological and immunohistochemical evaluation of the tissue demonstrate that the tissue was still immature 8 months after implantation, while at 13 months it was organized almost similarly to the original hyaline cartilage. Finally, a tissue perfectly comparable to native articular cartilage was detected 24 months after implantation. Histological investigations demonstrate the progressive maturation of the hyaline cartilage at the site of the lesion. The hyaline type of tracheal cartilage, used as a source of CCs, allows for the repair of joint cartilage injuries through the neosynthesis of hyaline cartilage that presents characteristics identical to the articular cartilage of the original tissue.
Collapse
Affiliation(s)
- Fernando Canonici
- Equine Practice s.r.l., Campagnano, Strada Valle del Baccano 80, 00063 Rome, Italy
| | - Cristiano Cocumelli
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Antonella Cersini
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Daniele Marcoccia
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Alessia Zepparoni
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Annalisa Altigeri
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Daniela Caciolo
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Cristina Roncoroni
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Valentina Monteleone
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Elisa Innocenzi
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Cristian Alimonti
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Paola Ghisellini
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy
- Consorzio Interuniversitario INBB, Viale delle Medaglie d'Oro 305, 00136 Rome, Italy
| | - Cristina Rando
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy
| | - Eugenia Pechkova
- Consorzio Interuniversitario INBB, Viale delle Medaglie d'Oro 305, 00136 Rome, Italy
- Department of Experimental Medicine (DIMES), University of Genoa, 16132 Genoa, Italy
| | - Roberto Eggenhöffner
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy
- Consorzio Interuniversitario INBB, Viale delle Medaglie d'Oro 305, 00136 Rome, Italy
| | - Maria Teresa Scicluna
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
- Consorzio Interuniversitario INBB, Viale delle Medaglie d'Oro 305, 00136 Rome, Italy
| |
Collapse
|
7
|
Barbaro K, Midgley J. Priapism, a symptoms of claudication of the cauda equina in spinal stenosis. Physiotherapy 2022. [DOI: 10.1016/j.physio.2021.12.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
8
|
De Bonis A, Uskoković V, Barbaro K, Fadeeva I, Curcio M, Imperatori L, Teghil R, Rau JV. Pulsed laser deposition temperature effects on strontium-substituted hydroxyapatite thin films for biomedical implants. Cell Biol Toxicol 2020; 36:537-551. [PMID: 32377851 DOI: 10.1007/s10565-020-09527-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/14/2020] [Indexed: 02/08/2023]
Abstract
Substituting small molecule drugs with abundant and easily affordable ions may have positive effects on the way countless disease treatments are approached. The interest in strontium cation in bone therapies soared in the wake of the success of strontium ranelate in the treatment of osteoporosis. A new method for producing thin strontium-containing hydroxyapatite (Sr-HA, Ca9Sr(PO4)6(OH)2) films as coatings that render bioinert titanium implant bioactive is reported here. The method is based on the combination of a mechanochemical synthesis of Sr-HA targets and their deposition in form of thin films on top of titanium with the use of laser ablation at low pressure. The films were 1-2 μm in thickness and their formation was studied at different temperatures, including 25, 300, and 500 °C. Highly crystalline Sr-HA target transformed during pulsed laser deposition to a fully amorphous film, whose degree of long-range order recovered with temperature. Particle edges became somewhat sharper and surface roughness moderately increased with temperature, but the (Ca+Sr)/P atomic ratio, which increased 1.5 times during the film formation, remained approximately constant at different temperatures. Despite the mostly amorphous structure of the coatings, their affinity for capturing atmospheric carbon dioxide and accommodating it as carbonate ions that replace both phosphates and hydroxyls of HA was confirmed in an X-ray photoelectron spectroscopic analysis. As the film deposition temperature increased, the lattice voids got reduced in concentration and the structure gradually "closed," becoming more compact and entailing a linear increase in microhardness with temperature, by 0.03 GPa/°C for the entire 25-500 °C range. Biocompatibility and bioactivity of Sr-HA thin films deposited on titanium were confirmed in an interaction with dental pulp stem cells, suggesting that these coatings, regardless of the processing temperature, may be viable candidates for the surface components of metallic bone implants.
Collapse
Affiliation(s)
- Angela De Bonis
- Dipartimento di Scienze, Università della Basilicata, Via dell'Ateneo Lucano, 10, 85100, Potenza, Italy
| | - Vuk Uskoković
- Department of Mechanical and Aerospace Engineering, University of California Irvine, Engineering Gateway 4200, Irvine, CA, 92697, USA
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale Lazio e Toscana "M. Aleandri", Via Appia Nuova, 1411, 00178, Rome, Italy
| | - Inna Fadeeva
- AA Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky prospect 49, Moscow, Russia, 119991
| | - Mariangela Curcio
- Dipartimento di Scienze, Università della Basilicata, Via dell'Ateneo Lucano, 10, 85100, Potenza, Italy
| | - Luca Imperatori
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133, Rome, Italy
| | - Roberto Teghil
- Dipartimento di Scienze, Università della Basilicata, Via dell'Ateneo Lucano, 10, 85100, Potenza, Italy
| | - Julietta V Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133, Rome, Italy.
| |
Collapse
|
9
|
Cavalu S, Fritea L, Brocks M, Barbaro K, Murvai G, Costea TO, Antoniac I, Verona C, Romani M, Latini A, Zilli R, Rau JV. Novel Hybrid Composites Based on PVA/SeTiO 2 Nanoparticles and Natural Hydroxyapatite for Orthopedic Applications: Correlations between Structural, Morphological and Biocompatibility Properties. Materials (Basel) 2020; 13:E2077. [PMID: 32369898 PMCID: PMC7254265 DOI: 10.3390/ma13092077] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/25/2022]
Abstract
The properties of poly(vinyl alcohol) (PVA)-based composites recommend this material as a good candidate for the replacement of damaged cartilage, subchondral bone, meniscus, humeral joint and other orthopedic applications. The manufacturing process can be manipulated to generate the desired biomechanical properties. However, the main shortcomings of PVA hydrogels are related to poor strength and bioactivity. To overcome this situation, reinforcing elements are added to the PVA matrix. The aim of our work was to develop and characterize a novel composition based on PVA reinforced with Se-doped TiO2 nanoparticles and natural hydroxyapatite (HA), for possible orthopedic applications. The PVA/Se-doped TiO2 composites with and without HA were structurally investigated by FTIR and XRD, in order to confirm the incorporation of the inorganic phase in the polymeric structure, and by SEM and XRF, to evidence the ultrastructural details and dispersion of nanoparticles in the PVA matrix. Both the mechanical and structural properties of the composites demonstrated a synergic reinforcing effect of HA and Se-doped TiO2 nanoparticles. Moreover, the tailorable properties of the composites were proved by the viability and differentiation potential of the bone marrow mesenchymal stem cells (BMMSC) to osteogenic, chondrogenic and adipogenic lineages. The novel hybrid PVA composites show suitable structural, mechanical and biological features to be considered as a promising biomaterial for articular cartilage and subchondral bone repair.
Collapse
Affiliation(s)
- Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410081 Oradea, Romania;
| | - Luminita Fritea
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410081 Oradea, Romania;
| | - Marcel Brocks
- Biomedical Sciences Doctoral School, Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410081 Oradea, Romania; (M.B.); (G.M.)
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (K.B.); (R.Z.)
| | - Gelu Murvai
- Biomedical Sciences Doctoral School, Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410081 Oradea, Romania; (M.B.); (G.M.)
| | - Traian Octavian Costea
- Advanced Materials Research Laboratory, University of Oradea, 1 Universitatii Street, 410087 Oradea, Romania;
| | - Iulian Antoniac
- Department Materials Science and Engineering, University Politehnica of Bucharest, Splaiul Independentei 313, sector 6, 060032 Bucharest, Romania;
| | - Claudio Verona
- Department of Industrial Engineering, University “Tor Vergata” Rome, via del Politecnico 1, 00133 Rome, Italy;
| | - Martina Romani
- INFN National Laboratory of Frascati, via Enrico Fermi 40, 00044 Frascati, Italy;
| | - Alessandro Latini
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Romano Zilli
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, Via Appia Nuova 1411, 00178 Rome, Italy; (K.B.); (R.Z.)
| | - Julietta V. Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy;
| |
Collapse
|
10
|
Bochicchio B, Barbaro K, De Bonis A, Rau JV, Pepe A. Electrospun poly(d,l-lactide)/gelatin/glass-ceramics tricomponent nanofibrous scaffold for bone tissue engineering. J Biomed Mater Res A 2020; 108:1064-1076. [PMID: 31967393 DOI: 10.1002/jbm.a.36882] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/04/2020] [Accepted: 01/06/2020] [Indexed: 12/15/2022]
Abstract
Electrospun scaffolds are emerging as extracellular matrix (ECM)mimicking structures for tissue engineering thanks to their nanofibrous architecture. For the development of suitable electrospun scaffolds for bone tissue engineering, the addition of inorganic components has been implemented with the aim to confer important bioactivity like osteoinduction, osteointegration, and cell adhesion to the scaffolds. In this context, we propose a tricomponent electrospun scaffold composed of poly(d,l-lactide), gelatin and RKKP glass-ceramics. The bioactive RKKP glass-ceramic system has attracted interest, due to the presence of ions such as La3+ and Ta5+ , which turned out to be valuable as growth supporting agents for bones. In this work, RKKP glass-ceramics were embedded inside the microfibers of electrospun scaffolds and the structural and biological properties were investigated. Our results showed that the glass-ceramic microparticles were uniformly distributed in the fibrous structure of the scaffold. Furthermore, the glass-ceramics promoted biomineralization of the scaffolds and improved cell viability and osteogenic differentiation. The mineralized layer formed on RKKP-containing scaffolds after incubation in simulated body fluid medium has been shown to be hydroxyapatite by Raman spectroscopy and X-ray diffraction. The results on differentiation studies of canine adipose-derived mesenchymal stem cells grown on the electrospun scaffolds suggest that on varying the content of RKKP in the scaffold, it is possible to drive the differentiation toward chondrogenic or osteogenic commitment. The presence of ions, like La3+ and Ta5+ , in the RKKP embedded polymeric composite scaffolds could play a role in supporting cell growth and promoting differentiation.
Collapse
Affiliation(s)
- Brigida Bochicchio
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", Rome, Italy
| | - Angela De Bonis
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - Julietta V Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Rome, Italy
| | - Antonietta Pepe
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| |
Collapse
|
11
|
Rau JV, Fadeeva IV, Fomin AS, Barbaro K, Galvano E, Ryzhov AP, Murzakhanov F, Gafurov M, Orlinskii S, Antoniac I, Uskoković V. Sic Parvis Magna: Manganese-Substituted Tricalcium Phosphate and Its Biophysical Properties. ACS Biomater Sci Eng 2019; 5:6632-6644. [PMID: 33423482 DOI: 10.1021/acsbiomaterials.9b01528] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Succeeding in the substitution of pharmaceutical compounds with ions deliverable with the use of resorbable biomaterials could have far-reaching benefits for medicine and economy. Calcium phosphates are known as excellent accommodators of foreign ions. Manganese, the fifth most abundant metal on Earth was studied here as an ionic dopant in β-tricalcium phosphate (β-TCP) ceramics. β-TCP containing different amounts of Mn2+ ions per MnxCa3-x(PO4)2 formula (x = 0, 0.001, 0.01, and 0.1) was investigated for a range of physicochemical and biological properties. The results suggested the role of Mn2+ as a structure booster, not breaker. Mn2+ ions increased the size of coherent X-ray scattering regions averaged across all crystallographic directions and also lowered the temperature of transformation of the hydroxyapatite precursor to β-TCP. The particle size increased fivefold, from 20 to 100 nm, in the 650-750 °C region, indicating that the reaction of formation of β-TCP was accompanied by a considerable degree of grain growth. The splitting of the antisymmetric stretching mode of the phosphate tetrahedron occurred proportionally to the Mn2+ content in the material, while electron paramagnetic resonance spectra suggested that Mn2+ might substitute for three out of five possible calcium ion positions in the unit cell of β-TCP. The biological effects of Mn-free β-TCP and Mn-doped β-TCP were selective: moderately proliferative to mammalian cells, moderately inhibitory to bacteria, and insignificant to fungi. Unlike pure β-TCP, β-TCP doped with the highest concentration of Mn2+ ions significantly inhibited the growth of all bacterial species tested: Staphylococcus aureus, Salmonella typhi, Escherichia coli, Pseudomonas aeruginosa, and Enterococcus faecalis. The overall effect against the Gram-positive bacteria was more intense than against the Gram-negative microorganisms. Meanwhile, β-TCP alone had an augmentative effect of the viability of adipose-derived mesenchymal stem cells (ADMSCs) and the addition of Mn2+ tended to reduce the extent of this augmentative effect, but without imparting any toxicity. For all Mn-doped β-TCP concentrations except the highest, the cell viability after 72 h incubation was significantly higher than that of the negative control. Assays evaluating the effect of Mn2+-containing β-TCP formulations on the differentiation of ADMSCs into three different lineages-osteogenic, adipogenic, and chondrogenic-demonstrated no inhibitory or adverse effects compared to pure β-TCP and powder-free positive controls. Still, β-TCP delivering the lowest amount of Mn2+ seemed most effective in sustaining the differentiation process toward all three phenotypes, indicating that the dose of Mn2+ in β-TCP need not be excessive to be effective.
Collapse
Affiliation(s)
- Julietta V Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Inna V Fadeeva
- AA Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky prospect 49, 119334 Moscow, Russia
| | - Alexander S Fomin
- AA Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky prospect 49, 119334 Moscow, Russia
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale Lazio e Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Ettore Galvano
- Istituto Zooprofilattico Sperimentale Lazio e Toscana "M. Aleandri", Via Appia Nuova 1411, 00178 Rome, Italy
| | - Alexander P Ryzhov
- AA Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky prospect 49, 119334 Moscow, Russia
| | | | - Marat Gafurov
- Kazan Federal University, Kremlevskaya 18, 420008 Kazan, Russia
| | | | - Iulian Antoniac
- University Politehnica of Bucharest, Splaiul Independentei 313, Sector 6, 77206 Bucharest, Romania
| | - Vuk Uskoković
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, Engineering Gateway 4200, Irvine, California 92697, United States
| |
Collapse
|
12
|
Rau JV, Curcio M, Raucci MG, Barbaro K, Fasolino I, Teghil R, Ambrosio L, De Bonis A, Boccaccini AR. Cu-Releasing Bioactive Glass Coatings and Their in Vitro Properties. ACS Appl Mater Interfaces 2019; 11:5812-5820. [PMID: 30653295 DOI: 10.1021/acsami.8b19082] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Bioactive glasses are well-known materials suitable for bone-related applications thanks to their biocompatibility and osteoconductivity. In order to improve their in vivo performance, the modification of the glass composition by adding ions with specific biological functions is required. As copper (Cu) possesses antibacterial properties, in this study, 5 wt % of CuO has been added to the 45S5 bioactive glass composition. The investigation of the effect of the Cu-containing bioactive glass on cellular behavior has revealed that the presence of Cu induces an early differentiation of human mesenchymal stem cells through osteoblast phenotype, promotes the expression of anti-inflammatory interleukin, and reduces proinflammatory interleukin expression. With the aim to produce coatings with antibacterial properties, the Cu-containing bioactive glass was used as the target material for the pulsed laser deposition (PLD) of bioactive thin films. PLD experiments were carried out at different substrate temperatures to study the effect on the film's characteristics. All of the films are compact, crack-free, and characterized by a rough morphology and good wettability. The in vitro bioactivity was demonstrated by the apatite growth on the coating surface, after soaking in simulated body fluid, revealed by Raman spectroscopy and scanning electron microscopy-energy dispersive X-ray analyses. The antibacterial study proved that the material showed more effective activity against three Gram-negative bacteria ( Pseudomonas aeruginosa, Escherichia coli, Salmonella enterica) rather than against Gram-positive bacteria ( Staphylococcus aureus).
Collapse
Affiliation(s)
- Julietta V Rau
- Istituto di Struttura della Materia , Consiglio Nazionale delle Ricerche (ISM-CNR) , Via del Fosso del Cavaliere , 100-00133 Rome , Italy
| | - Mariangela Curcio
- Dipartimento di Scienze , Università della Basilicata , Via dell'Ateneo Lucano , 10-85100 Potenza , Italy
| | - Maria Grazia Raucci
- Institute of Polymers, Composites and Biomaterials , National Research Council of Italy (IPCB-CNR) , Mostra d'Oltremare Pad. 20-Viale J.F. Kennedy , 54-80125 Naples , Italy
| | - Katia Barbaro
- Istituto Zooprofilattico Sperimentale Lazio e Toscana "M. Aleandri" , Via Appia Nuova , 1411-00178 Rome , Italy
| | - Ines Fasolino
- Institute of Polymers, Composites and Biomaterials , National Research Council of Italy (IPCB-CNR) , Mostra d'Oltremare Pad. 20-Viale J.F. Kennedy , 54-80125 Naples , Italy
| | - Roberto Teghil
- Dipartimento di Scienze , Università della Basilicata , Via dell'Ateneo Lucano , 10-85100 Potenza , Italy
| | - Luigi Ambrosio
- Institute of Polymers, Composites and Biomaterials , National Research Council of Italy (IPCB-CNR) , Mostra d'Oltremare Pad. 20-Viale J.F. Kennedy , 54-80125 Naples , Italy
| | - Angela De Bonis
- Dipartimento di Scienze , Università della Basilicata , Via dell'Ateneo Lucano , 10-85100 Potenza , Italy
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Cauerstr. 6 , 91058 Erlangen , Germany
| |
Collapse
|
13
|
Di Guardo G, Cocumelli C, Meoli R, Barbaro K, Terracciano G, Di Francesco CE, Mazzariol S, Eleni C. Prion search and cellular prion protein expression in stranded dolphins. J BIOL REG HOMEOS AG 2012; 26:567-570. [PMID: 23034277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The recent description of a prion disease (PD) case in a free-ranging bottlenose dolphin (Tursiops truncatus) prompted us to carry out an extensive search for the disease-associated isoform (PrPSc) of the cellular prion protein (PrPC) in the brain and in a range of lymphoid tissues from 23 striped dolphins (Stenella coeruleoalba), 5 bottlenose dolphins and 2 Risso s dolphins (Grampus griseus) found stranded between 2007 and 2012 along the Italian coastline. Three striped dolphins and one bottlenose dolphin showed microscopic lesions of encephalitis, with no evidence of spongiform brain lesions being detected in any of the 30 free-ranging cetaceans investigated herein. Nevertheless, we could still observe a prominent PrPC immunoreactivity in the brain as well as in lymphoid tissues from these dolphins. Although immunohistochemical and Western blot investigations yielded negative results for PrPSc deposition in all tissues from the dolphins under study, the reported occurrence of a spontaneous PD case in a wild dolphin is an intriguing issue and a matter of concern for both prion biology and intra/inter-species transmissibility, as well as for cetacean conservation medicine.
Collapse
|
14
|
Faggioni G, Ciammaruconi A, De Santis R, Pomponi A, Scicluna MT, Barbaro K, Masuelli L, Autorino G, Bei R, Lista F. Evidence of a humoral response to a novel protein WARF4 embedded in the West Nile virus NS4B gene encoded by an alternative open reading frame. Int J Mol Med 2009; 23:509-12. [PMID: 19288027 DOI: 10.3892/ijmm_00000158] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
West Nile virus (WNV) is a flavivirus that is maintained in a bird-mosquito transmission cycle. Humans, horses and other non-avian vertebrates are usually incidental hosts. However, WNV is a neurotropic virus, which requires an efficient humoral response for the control of a neuroinvasive infection. The WNV genome encodes three structural (capsid, premembrane/membrane and envelope) and seven non-structural proteins. Bioinformatic analysis performed on the WNV genomes detected a conserved alternative open reading frame restricted to the lineage I virus. To quickly verify the existence of this putative protein, entitled West Nile Alternative Reading Frame 4 (WARF4), we produced a prokaryotic recombinant source of WARF4 and verified its immunogenicity in vivo by analyzing 43 horse serum samples, of which 15 were positive for antibodies to WNV premembrane and envelope (prM-E) proteins. Specific antibodies to WARF4 were significantly detected in 5 out of the 15 serum samples testing positive for antibodies to prM-E WNV proteins. Our findings provide evidence of a significant antibody response to the WARF4 protein in the serum of the horse testing positive for antibodies to prM-E proteins, thus indicating that this antigen might be a potential tool for further characterization of the immune response of WNV infections in humans as well.
Collapse
Affiliation(s)
- Giovanni Faggioni
- Laboratory of Molecular Biology, Army Medical Research Centre, I-00184 Rome, Italy
| | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Vaccari G, Scavia G, Sala M, Cosseddu G, Chiappini B, Conte M, Esposito E, Lorenzetti R, Perfetti G, Marconi P, Scholl F, Barbaro K, Bella A, Nonno R, Agrimi U. Protective effect of the AT137RQ and ARQK176 PrP allele against classical scrapie in Sarda breed sheep. Vet Res 2009; 40:19. [PMID: 19171116 PMCID: PMC2695041 DOI: 10.1051/vetres/2009002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2008] [Accepted: 01/22/2009] [Indexed: 12/03/2022] Open
Abstract
The susceptibility of sheep to scrapie is under the control of the host’s prion protein (PrP) gene and is also influenced by the strain of the agent. PrP polymorphisms at codons 136 (A/V), 154 (R/H) and 171 (Q/R/H) are the main determinants of susceptibility/resistance of sheep to classical scrapie. They are combined in four main variants of the wild-type ARQ allele: VRQ, AHQ, ARH and ARR. Breeding programmes have been undertaken on this basis in the European Union and the USA to increase the frequency of the resistant ARR allele in sheep populations. Herein, we report the results of a multi-flock study showing the protective effect of polymorphisms other than those at codons 136, 154 and 171 in Sarda breed sheep. All ARQ/ARQ affected sheep (n = 154) and 378 negative ARQ/ARQ controls from four scrapie outbreaks were submitted to sequencing of the PrP gene. The distribution of variations other than those at the standard three codons, between scrapie cases and negative controls, was statistically different in all flocks. In particular, the AT137RQ and ARQK176 alleles showed a clear protective effect. This is the first study demonstrating a protective influence of alleles other than ARR under field conditions. If further investigations in other sheep breeds and with other scrapie sources confirm these findings, the availability of various protective alleles in breeding programmes of sheep for scrapie resistance could be useful in breeds with a low frequency of the ARR allele and would allow maintaining a wider variability of the PrP gene.
Collapse
|