Association between matrix metalloproteinase 9 promoter polymorphisms and Behçet's disease

To investigate the role ofIκBαpromoter polymorphisms in the development of Behçet’s disease, eighty-six patients with Behçet's disease and 120 healthy controls were enrolled in this study. TheIκBα; -881A/G, -826C/T, -550A/T, -519C/T, and -297C/T polymorphisms were measured by the method of polymerase chain reaction/ restriction fragment length polymorphism. This study demonstrated that the genotype frequencies ofIκBα-826C/T and -826T/T were significantly higher in the patients with Behçet's disease than in the controls. Both in the dominant and in the recessive models, the patients with Behçet's disease have higher frequencies of the IκBα -826T containing genotype than the controls. The allele frequency ofIκBα-826T was significantly increased in the patients with Behçet’s disease. The frequencies of theIκBα-881A -826T -550A -519C -297C andIκBα-881A -826T -550A -519T -297C haplotypes were significantly higher in the patients with Behçet–s disease than in the controls. In contrast, the haplotype frequency ofIκBα-881A -826C -550A -519C -297C in the patients with Behçet’s disease was significantly decreased. This study also revealed that the Behçet’s disease patients with IκBα -826T/T have higher prevalence of skin lesions than those without IκBα -826T/T. In summary, the IκBα -826T allele,IκBα-881A -826T -550A -519C -297C andIκBα-881A -826T -550A -519T -297C haplotypes might be associated with susceptibility to Behçet’s disease. TheIκBα-826T/T genotype was related to the development of skin lesions in the patients with Behçet's disease.

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HLA antigens associated with Behcet's disease

Archives of Dermatology ◽

10.1001/archderm.113.12.1720 ◽

1977 ◽

Vol 113 (12) ◽

pp. 1720-1721 ◽

Cited By ~ 4

Author(s):

F. Ersoy

Keyword(s):

Behçet’S Disease ◽

Behcet’S Disease ◽

Behçet's Disease ◽

Hla Antigens ◽

Behcet's Disease

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Coagulation and Fibrinolytic Activity in Behçet's Disease

Thrombosis and Haemostasis ◽

10.1055/s-0038-1646409 ◽

1991 ◽

Vol 66 (03) ◽

pp. 292-294 ◽

Cited By ~ 57

Author(s):

K K Hampton ◽

M A Chamberlain ◽

D K Menon ◽

J A Davies

Keyword(s):

Plasminogen Activator ◽

Tissue Plasminogen Activator ◽

Behçet’S Disease ◽

Fibrinolytic Activity ◽

Behcet’S Disease ◽

Behçet's Disease ◽

Plasminogen Activator Inhibitor ◽

Behcet's Disease ◽

Tissue Plasminogen ◽

Von Willebrand

SummaryCoagulation and fibrinolytic activities were studied in 18 subjects with Behçet's disease and compared with results from 14 matched control patients suffering from sero-negative arthritis. Significantly higher plasma concentrations (median and range) were found in Behçet's patients for the following variables: fibrinogen 3.7 (1.7-6.9) vs 3.0 (2.0-5.1) g/1, p <0.05; von Willebrand factor antigen, 115 (72-344) vs 74 (60-119)%, p <0.002; plasminogen activator activity (106/ECLT2) 219 (94-329) vs 137 (78-197) units, p <0.002; tissue plasminogen activator inhibitor (t-PA-I) activity, 9.1 (5.5-19.3) vs 5.1 (1.8-12.0) IU/ml, p <0.002; and PAI-1 antigen, 13.9 (4.5-20.9) vs 6.4 (2.4-11.1) ng/ml, p <0.002. Protein C antigen was significantly lower: 97 (70-183) vs 126 (96-220)%, p <0.02. No differences were observed in antithrombin III activity or antigen, factor VIII coagulant activity, fibrinopeptides A and Bβ15-42, plasminogen, α-2-antiplasmin, functional and immunological tissue-plasminogen activator, thrombin-antithrombin complexes and D-dimer. Levels of tissue plasminogen activator inhibitor (activity and antigen) correlated with disease activity while fibrinogen and von Willebrand factor concentrations did not. Seven of the 18 subjects with Behçet's disease had suffered thrombotic events but it was not possible to distinguish these from the 11 patients without thrombosis using the assays performed. The results suggest the abnormal fibrinolytic activity in Behçet's disease is due to increased inhibition of tissue plasminogen activator. No abnormality of coagulation or fibrinolytic activity specific to Behçet's disease was detected.

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