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Effect of condensed tannin ingestion in sheep and goat parotid saliva proteome
Lamy, E; da Costa, G; Santos, R; Capela e Silva, F; Potes, J; Pereira, A; Coelho, AV; Sales Baptista, ESaliva appears as a defence mechanism, against potential negative effects of tannins, in some species of animals which have to deal with these plant secondary metabolites in their regular diets. This study was carried out to investigate changes in parotid saliva protein profiles of sheep Ovis aries)and goats (Capra hircus), induced by condensed tannin ingestion. Five Merino sheep and five Serpentina goats were ...
Changes in mice whole saliva soluble proteome induced by tannin-enriched diets.
Lamy, E; Graça, G; da Costa, G; Franco, C; Capela e Silva, F; Baptista, E; Coelho, AVBackground Previous studies suggested that dietary tannin ingestion may induce changes in mouse salivary proteins in addition to the primarily studied proline-rich proteins (PRPs). The aim of the present study was to determine the protein expression changes induced by condensed tannin intake on the fraction of mouse whole salivary proteins that are unable to form insoluble tannin-protein complexes. Two-dimensi...
Utilização da proteómica para compreender o comportamento de ingestão
Lamy, E.; Capela e Silva, Fernando; Sales Baptista, E.; Graça, G.; da Costa, G.; Coelho, A.V.O comportamento ingestivo é regulado, entre outros, por factores afectivos, os quais determinam diferentes preferências. A escolha da dieta depende de experiências anteriores, bem como do nível de percepção gustativa, estando a saliva envolvida neste último. As proteínas salivares desempenham papéis muito diversos que incluem a lubrificação, digestão, protecção contra microorganismos e factores antinutritivos, ...
Comparison of Electrophoretic Protein Profiles from Sheep and Goat Parotid Saliva
Lamy, E.; da Costa, G.; Capela e Silva, Fernando; Potes, J.C.; Coelho, A.V.; Sales Baptista, E.Saliva provides a medium for short-term adaptation to changes in diet composition, namely, the presence of plant secondary metabolites. Salivary proteins have biological functions that have particular influence on oral homeostasis, taste, and digestive function. Some salivary proteins, such as proline-rich proteins, are present in browsers but absent in grazers. Despite the significance of salivary proteins, th...
Salivary Amylase Induction by Tannin-Enriched Diets as a Possible Countermeasur...
da Costa, G.; Lamy, E.; Capela e Silva, Fernando; Andersen, J.; Sales Baptista, E.; Coelho, A.V.Tannins are characterized by protein-binding affinity. They have astringent/bitter properties that act as deterrents, affecting diet selection. Two groups of salivary proteins, proline-rich proteins and histatins, are effective precipitators of tannin, decreasing levels of available tannins. The possibility of other salivary proteins having a co-adjuvant role on host defense mechanisms against tannins is unknow...
The prevention of hereditary erythrocytic diseases.
Lamy, S; Hospital de Dona Estefânia, Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge, Lisboa.; Braga, L; Pacheco, PThe authors report the importance of not only all over the world but also in Portugal and, particularly, in Dona Estefânia Hospital. Some considerations are made about the usefulness of molecular biology methods in prenatal diagnosis. With this tool can also be do the origins and migrations of populations, which contributes to the knowledge of aspects of our history. Finally, they present consensual attitudes w...
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