Victor A. Danis, Michelle Millington, Valentine Hyland, Ron Lawford, Qirong Huang, David Grennan, "Increased Frequency of the Uncommon Allele of a Tumour Necrosis Factor Alpha Gene Polymorphism in Rheumatoid Arthritis and Systemic Lupus Erythematosus", Disease Markers, vol. 12, Article ID 756247, 7 pages, 1994. https://doi.org/10.1155/1994/756247
Increased Frequency of the Uncommon Allele of a Tumour Necrosis Factor Alpha Gene Polymorphism in Rheumatoid Arthritis and Systemic Lupus Erythematosus
The frequency of the uncommon allele (TNF2) of a polymorphism in the promoter region of the tumour necrosis factor alpha (TN Fα) gene in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) was found to be 3 times that of the normal anglo-saxon population. In SLE patients, this allele was strongly associated with HLA-DR3 expression and was also more frequent in patients who did not have malar rash. Functional studies of normal monocyte cytokine production in vitro showed that this genotype was associated with increased IL-1α protein production but there were no differences in the production of TNFα protein.
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