A further investigation on a MALDI-based method for evaluation ofmarkers of renal damage (Articolo in rivista)

Type
Label
  • A further investigation on a MALDI-based method for evaluation ofmarkers of renal damage (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Lapolla, A.; Molin, L.; Sechi, A.; Cosma, C.; Ragazzi, E.; Seraglia, R.; Traldi, P. (2009)
    A further investigation on a MALDI-based method for evaluation ofmarkers of renal damage
    in Journal of mass spectrometry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lapolla, A.; Molin, L.; Sechi, A.; Cosma, C.; Ragazzi, E.; Seraglia, R.; Traldi, P. (literal)
Pagina inizio
  • 1754 (literal)
Pagina fine
  • 1760 (literal)
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  • 44 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • DOI 10.1002/jms.1685 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • A further investigation on a MALDI-based method for evaluation ofmarkers of renal damage (literal)
Abstract
  • The validity of the urinary protein profile to characterize the pathological states of diabetic, nephropathic and diabetic–nephropathic patients was considered on the basis of previously obtained results by MALDI/MS, showing a different abundance ratio of the collagen ±1 and ±5 chain precursor fragments at m/z 1219 and 2049 and of the uromodulin precursor fragment at m/z 1912 observed in healthy subjects and patients; a larger number of subjects was examined and the obtained results were statistically evaluated. The p values related to the observed differences indicate that they are statistically significant when comparing all patients versus healthy controls, diabetic with normo ormicroalbuminuria versus nephropathic with advanced renal disease patients and diabetic with normo ormicroalbuminuria versus diabetic with advanced nephropathy patients. The scatter plot matrix gives evidence of the strict inverse relationship between the abundances of ions at m/z 1912 and 1219, the correlation coefficient being particularly high (r = 0.921, p < 0.001). The relationship between the true positive rate (sensitivity) and false positive rate (1 – specificity) for every possible cutoff value in abundance of the considered ionic species was investigated through the receiver-operating characteristic (ROC) curve. The obtained data indicate that a good differentiation of nephropathic patients with advanced renal disease and diabetic patients with advanced nephropathy versus healthy subjects can be easily obtained by this approach. (literal)
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