Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/65102
Title: Genotype Ser413/Ser of PAI-2 polymorphism Ser413/Cys is associated with anti-phospholipid syndrome and systemic lupus erythematosus in a familial case: Comparison with healthy controls
Author: Mercado, M.V.-D.
Garcia-Cobian, T.A.
Valle, J.F.M.
Torres-Carrillo, N.
Martin-Marquez, B.-T.
Arana-Argaez, V.E.
Best-Aguilera, C.R.
Martinez-Garcia, E.-A.
Petri, M.H.
Nunez-Atahualpa, L.
Delgado-Rizo, V.
Issue Date: 2007
Abstract: Background: We describe a family with a 7-year-old proband case diagnosed with systemic lupus erythematosus (SLE) plus secondary anti-phospholipid syndrome (APS) as well as two affected paternal aunts. We compared the frequency of these polymorphisms with healthy controls. Objectives: To evaluate the mode of inheritance in this familial case of APS and SLE and the possible association of plasminogen activator inhibitor-1 (PAI-1) -675 4G/5G and PAI-2 Ser413/Cys polymorphisms. To compare the genotype frequency of these polymorphisms with the results found in a Mexican Mestizo population. Methods: PAI-1 -675 4G/5G and PAI-2 Ser413/Cys were determined by the polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) technique using Bsl I and Mwo I on four generations of the family studied. PAI-2 Ser413/Cys polymorphism was also determined in 50 healthy individuals of Mexican Mestizo origin. Results: The family pedigree demonstrated that this family did not follow a Mendelian inheritance pattern. When the PAI-2 Ser413/Cys polymorphism was examined, we found that 60% (3/5) of the relatives homozygous to Ser413/Ser were affected with SLE and/or APS (p = 0.027). The proband case was 4G/5G genotype for the PAI-1 -675 4G/5G polymorphism. No differences between healthy controls of the Mexican Mestizo population and the family studied for the PAI-2 Ser413/Cys polymorphism or PAI-1 -675 4G/5G polymorphisms were found. Conclusions: Our data indicate that this family did not follow the Mendelian inheritance pattern. The Ser413/Ser genotype demonstrated in 60% of the affected members (3/5) of this family might increase the risk for autoimmune syndromes such as APS or SLE. © 2007 Taylor & Francis on license from Scandinavian Rheumatology Research Foundation.
URI: http://hdl.handle.net/20.500.12104/65102
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