Autor: |
Poddighe, Dimitri, Capittini, Cristina |
Předmět: |
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Zdroj: |
Disease Markers; 12/13/2021, p1-8, 8p |
Abstrakt: |
Selective IgA deficiency (SIgAD) is the most frequent primary immune defect. Since SIgAD is not characterized by relevant infectious issues in most cases, it is often diagnosed during the diagnostic work up of several and different autoimmune disorders, which are associated with this primary immune defect. The genetic background of SIgAD is complex and three HLA haplotypes resulted to be more frequently associated with it; in detail, two of them include HLA-DQB 1 ∗ 02 allelic variants, which are essential predisposing factors to develop Celiac Disease (CD). Here, we discuss the evidence regarding the role of HLA in the etiopathogenesis of SIgAD and its association with CD. Actually, the HLA region seems to play a modest role in the genetic predisposition to SIgAD and we may speculate that the association with the HLA-DQB 1 ∗ 02 alleles (or haplotypes including them) could derive from its link with CD. Indeed, SIgAD and some related immunological alterations are likely to predispose to several autoimmune diseases (with and despite different HLA backgrounds), including CD, which is relatively common and directly associated with the HLA-DQB 1 ∗ 02 allelic variants coding the DQ2 heterodimer. Further and specific studies are needed to make final conclusions in this regard. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
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