Haptoglobin polymorphisms are associated with Crohn's disease, disease behavior, and extraintestinal manifestations in hungarian patients

Maria Papp, Peter Laszlo Lakatos, Karoly Palatka, Ildiko Foldi, Miklos Udvardy, Jolan Harsfalvi, Istvan Tornai, Zsuzsanna Vitalis, Tamas Dinya, Agota Kovacs, Tamas Molnar, Pal Demeter, Janos Papp, Laszlo Lakatos, Istvan Altorjay, Peter Fuszek, Henrik Csaba Horvath, Peter Vargha, Simon Fischer, Janos OsztovitsLaszlo Bene, Ferenc Nagy, Janos Lonovics, Levente Balint, Ferenc Huoranszky, Istvan Dobo, Zsolt Tulassay, Laszlo Herszenyi, Pal Miheller, Annamaria Nemeth, Gyorgy Szekely, Zsuzsanna Erdelyi, Gabor Mester, Csaba Molnar, Tunde Pandur

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Functional differences and association with inflammatory disorders were found relating to three major haptoglobin (Hp) phenotypes. Our aim was to investigate Hp polymorphisms in Hungarian patients with Crohn's disease (CD). Four hundred sixty-eight CD patients and 384 healthy controls were examined. Hp phenotypes were determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and immunoblotting of the sera. The frequency of the Hp 1 allele was significantly higher in CD (0.395; OR, 1.24; 95% CI, 1.02-1.52; P=0.03) compared to controls (0.345). In CD, Hp phenotype was associated with disease behavior (OR [Hp2-1 vs other], 2.06; 95% CI, 1.29-3.28 for inflammatory behavior). Furthermore, an increased frequency of primary sclerosing cholangitis was observed in the Hp 2-2 compared to the Hp 1-1 phenotype (6.5% vs. 0.0%; P=0.039). We conclude that the Hp polymorphism is associated with CD, inflammatory disease behavior, and primary sclerosing cholangitis in Hungarian patients. Further studies are required to evaluate the significance of Hp polymorphisms in other populations from geographically diverse regions.

Original languageEnglish
Pages (from-to)1279-1284
Number of pages6
JournalDigestive Diseases and Sciences
Issue number5
Publication statusPublished - May 1 2007



  • Crohn's disease
  • Disease behavior
  • Haptoglobin polymorphism
  • Primary sclerosing cholangitis
  • Th1/Th2 orientation

ASJC Scopus subject areas

  • Physiology
  • Gastroenterology

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