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Susceptibility genes in autoimmune hepatitis

Grant number: 05/00553-3
Support type:Regular Research Grants
Duration: December 01, 2005 - November 30, 2006
Field of knowledge:Biological Sciences - Immunology - Immunogenetics
Principal Investigator:Gilda Porta
Grantee:Gilda Porta
Home Institution: Faculdade de Medicina (FM). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Autoimmune hepatitis (AIH)is a rare chronic inflammatory liver disease, characterized by high levels of immunoglobulins, presence of non organ- specific autoantibodies and interface hepatitis. Around 50% of patients with AIH-1 have high levels of IgE without etiology, as parasitosis or atopia. The genetic susceptibility is strongly associated with genes encoding histocompatibility molecules (HLA). The strong association with the MHC region and frequent presence of these alleles in the normal population and rare incidence of the disease led us to propose linked additional susceptibility genes. Genes in the class III region of MHC have been shown as secondary "loci" associated with several diseases of immune origin. We propose to evaluate these genes together with other genes that have an influence in the IgE production. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LÉA CAMPOS DE OLIVEIRA; RAJENDRANATH RAMASAWMY; JAILA DIAS BORGES; MARIA LUCIA CARNEVALE MARIN; NATALIE GUIDA MULLER; JORGE KALIL; ANNA CARLA GOLDBERG. Frequency of single nucleotide polymorphisms of some immune response genes in a population sample from São Paulo, Brazil. Einstein (São Paulo), v. 9, n. 3, p. 359-366, Set. 2011.

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