Identification of plasma haptoglobin forms which loosely bind hemoglobin. (Articolo in rivista)

Type
Label
  • Identification of plasma haptoglobin forms which loosely bind hemoglobin. (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1515/BC.2011.033 (literal)
Alternative label
  • Spagnuolo MS, Cigliano L, Maresca B, Pugliese CR, Abrescia P. (2011)
    Identification of plasma haptoglobin forms which loosely bind hemoglobin.
    in Biological chemistry (Print); WALTER DE GRUYTER & CO, Berlin (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Spagnuolo MS, Cigliano L, Maresca B, Pugliese CR, Abrescia P. (literal)
Pagina inizio
  • 371 (literal)
Pagina fine
  • 376 (literal)
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  • 392 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • PubMe (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per il Sistema Produzione Animale in Ambiente Mediterraneo, Consiglio Nazionale delle Ricerche, I-80147 Napoli, Italy. (literal)
Titolo
  • Identification of plasma haptoglobin forms which loosely bind hemoglobin. (literal)
Abstract
  • Abstract Haptoglobin (Hpt) is known to capture circulating free hemoglobin (Hb) and bind apolipoprotein (Apo) A-I or E. Here, we report that Hb can be tightly bound by most of Hpt molecules (TB-Hpt, 80%), whereas loosely bound by a minor part of them (LB-Hpt, 20%). LB-Hpt amount was significantly increased (over 60%) in patients with acute coronary syndrome. LB-Hpt bound ApoA-I and ApoE less efficiently than TB-Hpt (8- and 4-fold less, respectively) and did not affect their activity of stimulating the enzyme lecithin-cholesterol acyltransferase. LB-Hpt and TB-Hpt displayed comparable levels of nitrotyrosine residues, but differences in glycan chains. Changes in LB-Hpt level might be associated with changes in Hpt functions. (literal)
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