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27 results on '"Barbaglio, Alice"'

10. Ultrastructural and biochemical characterization of mechanically adaptable collagenous structures in the edible sea urchin Paracentrotus lividus

Author

Barbaglio, Alice, primary, Tricarico, Serena, additional, Ribeiro, Ana R., additional, Di Benedetto, Cristiano, additional, Barbato, Marta, additional, Dessì, Desirèe, additional, Fugnanesi, Valeria, additional, Magni, Stefano, additional, Mosca, Fabio, additional, Sugni, Michela, additional, Bonasoro, Francesco, additional, Barbosa, Mario A., additional, Wilkie, Iain C., additional, and Candia Carnevali, M. Daniela, additional

Published
2015
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11. Mechanical Properties of the Compass Depressors of the Sea-Urchin Paracentrotus lividus (Echinodermata, Echinoidea) and the Effects of Enzymes, Neurotransmitters and Synthetic Tensilin-Like Protein

Author

Wilkie, Iain C., primary, Fassini, Dario, additional, Cullorà, Emanuele, additional, Barbaglio, Alice, additional, Tricarico, Serena, additional, Sugni, Michela, additional, Del Giacco, Luca, additional, and Candia Carnevali, M. Daniela, additional

Published
2015
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12. Production, Characterization and Biocompatibility of Marine Collagen Matrices from an Alternative and Sustainable Source: The Sea Urchin Paracentrotus lividus

Author

Benedetto, Cristiano, primary, Barbaglio, Alice, additional, Martinello, Tiziana, additional, Alongi, Valentina, additional, Fassini, Dario, additional, Cullorà, Emanuele, additional, Patruno, Marco, additional, Bonasoro, Francesco, additional, Barbosa, Mario, additional, Carnevali, Maria, additional, and Sugni, Michela, additional

Published
2014
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17. Larval development in the feather starAntedon mediterranea

Author

Barbaglio, Alice, primary, Turchi, Claudia, additional, Melone, Giulio, additional, Di Benedetto, Cristiano, additional, Martinello, Tiziana, additional, Patruno, Marco, additional, Biggiogero, Maira, additional, Wilkie, Iain C., additional, and Carnevali, M. Daniela Candia, additional

Published
2012
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23. Echinoderm regeneration: an in vitro approach using the crinoid Antedon mediterranea.

Author

Benedetto, Cristiano, Parma, Lorenzo, Barbaglio, Alice, Sugni, Michela, Bonasoro, Francesco, and Candia Carnevali, Maria

Subjects
ECHINODERMATA, CRINOIDEA, PROGENITOR cells, CELL differentiation, CELL migration, IN vitro studies
Abstract

Among echinoderms, crinoids are well known for their remarkable regenerative potential. Regeneration depends mainly on progenitor cells (undifferentiated or differentiated), which migrate and proliferate in the lesion site. The crucial role of the 'progenitor' elements involved in the regenerative processes, in terms of cell recruitment, sources, and fate, is a central problem in view of its topical interest and biological implications. The spectacular regenerative potential of crinoids is used to replace lost internal and external organs. In particular, the process of arm regeneration in the feather star Antedon mediterranea is the regeneration model most extensively explored to date. We have addressed the morphological and functional characterization of the cell phenotypes responsible for the arm regenerative processes by using an in vitro approach. This represents the first successful attempt to culture cells involved in crinoid regeneration. A comparison of these results with others from previous in vivo investigations confirms the diverse cell types contributing to regeneration and underscores their involvement in migration, proliferation, and dedifferentiation processes. [ABSTRACT FROM AUTHOR]

Published
2014
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24. Production, Characterization and Biocompatibility of Marine Collagen Matrices from an Alternative and Sustainable Source: The Sea Urchin Paracentrotus lividus.

Author

Di Benedetto, Cristiano, Barbaglio, Alice, Martinello, Tiziana, Alongi, Valentina, Fassini, Dario, Cullorà, Emanuele, Patruno, Marco, Bonasoro, Francesco, Barbosa, Mario Adolfo, Carnevali, Maria Daniela Candia, and Sugni, Michela

Abstract

Collagen has become a key-molecule in cell culture studies and in the tissue engineering field. Industrially, the principal sources of collagen are calf skin and bones which, however, could be associated to risks of serious disease transmission. In fact, collagen derived from alternative and riskless sources is required, and marine organisms are among the safest and recently exploited ones. Sea urchins possess a circular area of soft tissue surrounding the mouth, the peristomial membrane (PM), mainly composed by mammalian-like collagen. The PM of the edible sea urchin Paracentrotus lividus therefore represents a potential unexploited collagen source, easily obtainable as a food industry waste product. Our results demonstrate that it is possible to extract native collagen fibrils from the PM and produce suitable substrates for in vitro system. The obtained matrices appear as a homogeneous fibrillar network (mean fibril diameter 30-400 nm and mesh < 2 µm) and display remarkable mechanical properties in term of stiffness (146 ± 48 MPa) and viscosity (60.98 ± 52.07 GPa·s). In vitro tests with horse pbMSC show a good biocompatibility in terms of overall cell growth. The obtained results indicate that the sea urchin P. lividus can be a valuable low-cost collagen source for mechanically resistant biomedical devices. [ABSTRACT FROM AUTHOR]

Published
2014
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26. Larval development in the feather star Antedon mediterranea

Author

Barbaglio, Alice, Turchi, Claudia, Melone, Giulio, Di Benedetto, Cristiano, Martinello, Tiziana, Patruno, Marco, Biggiogero, Maira, Wilkie, IainC., and Carnevali, M.Daniela Candia

Abstract

Echinoderms have been used often as experimental models in developmental biology and evolutionary biology studies. Numerous data on echinoid and asteroid development are available, whereas little is known about crinoid larval biology. This contribution focussed on the life cycle of the Mediterranean feather star Antedon mediterranea.Light and electron microscopy were used to characterize, in detail, the morphology and behaviour of the main larval stages. Similarities and differences with respect to what is already known for other crinoids, and echinoderm species, were explored. In view of the importance of serotonin during settlement and morphogenesis, analyses of the distribution of this molecule were carried out on swimming larvae. Immunolabelling results suggested a role for serotonin in A. mediterraneadevelopment, underlining the ancestral importance of this conserved neurotransmitter in deuterostome evolution.

Published
2012
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