Urine proteome in animals of veterinary interest: species comparison and new biomarkers of nephropathy

Ferlizza, Enea (2015) Urine proteome in animals of veterinary interest: species comparison and new biomarkers of nephropathy, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Scienze veterinarie, 27 Ciclo. DOI 10.6092/unibo/amsdottorato/6817.
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Urine is considered an ideal source of biomarkers, however in veterinary medicine a complete study on the urine proteome is still lacking. The present work aimed to apply proteomic techniques to the separation of the urine proteome in dogs, cats, horses, cows and some non-conventional species. High resolution electrophoresis (HRE) was also validated for the quantification of albuminuria in dogs and cats. In healthy cats, applying SDS-PAGE and 2DE coupled to mass spectrometry (MS), was produced a reference map of the urine proteome. Moreover, 13 differentially represented urine proteins were linked with CKD, suggesting uromodulin, cauxin, CFAD, Apo-H, RBP and CYSM as candidate biomarkers to be investigated further. In dogs, applying SDS-PAGE coupled to MS, was highlighted a specific pattern in healthy animals showing important differences in patients affected by leishmaniasis. In particular, uromodulin could be a putative biomarker of tubular damage while arginine esterase and low MW proteins needs to be investigated further. In cows, applying SDS-PAGE, were highlighted different patterns between heifers and cows showing some interesting changes during pregnancy. In particular, putative alpha-fetoprotein and b-PAP needs to be further investigated. In horses, applying SDS-PAGE, was produced a reference profile characterized by 13±4 protein bands and the most represented one was the putative uromodulin. Proteinuric horses showed the decrease of the putative uromodulin band and the appearance of 2 to 4 protein bands at higher MW and a greater variability in the range of MW between 49 and 17 kDa. In felids and giraffes was quantified proteinuria reporting the first data for UTP and UPC. Moreover, by means of SDS-PAGE, were highlighted species-specific electrophoretic patterns in big felids and giraffes.

Tipologia del documento
Tesi di dottorato
Ferlizza, Enea
Dottorato di ricerca
Scuola di dottorato
Scienze veterinarie
Settore disciplinare
Settore concorsuale
Parole chiave
2-DE, SDS-PAGE, proteomics, clinical biochemistry, veterinary medicine, dog, cat, horse, cow, felids, giraffe
Data di discussione
24 Aprile 2015

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