NcoI restriction fragment length polymorphism (RFLP) of the tumor necrosis factor (TNF alpha) region in four autoimmune diseases
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NcoI restriction fragment length polymorphism (RFLP) of the tumor necrosis factor (TNF alpha) region in four autoimmune diseases. / Fugger, L; Morling, N; Ryder, L P; Georgsen, J; Jakobsen, B K; Svejgaard, A; Andersen, V; Oxholm, P; Karup Pedersen, F; Friis, J.
I: HLA, Bind 34, Nr. 1, 1989, s. 17-22.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - NcoI restriction fragment length polymorphism (RFLP) of the tumor necrosis factor (TNF alpha) region in four autoimmune diseases
AU - Fugger, L
AU - Morling, N
AU - Ryder, L P
AU - Georgsen, J
AU - Jakobsen, B K
AU - Svejgaard, A
AU - Andersen, V
AU - Oxholm, P
AU - Karup Pedersen, F
AU - Friis, J
N1 - Keywords: Arthritis, Juvenile Rheumatoid; Arthritis, Rheumatoid; Autoimmune Diseases; Blotting, Southern; Denmark; Deoxyribonucleases, Type II Site-Specific; HLA-B8 Antigen; Humans; Lupus Erythematosus, Systemic; Phenotype; Polymorphism, Restriction Fragment Length; Sjogren's Syndrome; Tumor Necrosis Factor-alpha
PY - 1989
Y1 - 1989
N2 - The two-allele NcoI Restriction Fragment Length Polymorphism (RFLP) of the TNF alpha region yielding bands of 5.5 and 10.5 kb was investigated in patients with systemic lupus erythematosus (SLE), pauciarticular juvenile rheumatoid arthritis (P-JRA), rheumatoid arthritis (RA) and primary Sjögren's syndrome (pSS). In all four disease, we found a decreased frequency of the 10.5 kb allele which, however, was significant only in the SLE group. In all conditions except RA, the frequency of the 5.5 kb fragment was increased. In pSS and SLE, the frequency of HLA-B8 was increased in 5.5 kb fragment positive patients compared with corresponding controls and thus, the increase of this band and the decrease of the 10.5 kb band may be secondary to HLA-B8 associations owing to strong positive linkage disequilibrium between HLA-B8 and the 5.5 kb band.
AB - The two-allele NcoI Restriction Fragment Length Polymorphism (RFLP) of the TNF alpha region yielding bands of 5.5 and 10.5 kb was investigated in patients with systemic lupus erythematosus (SLE), pauciarticular juvenile rheumatoid arthritis (P-JRA), rheumatoid arthritis (RA) and primary Sjögren's syndrome (pSS). In all four disease, we found a decreased frequency of the 10.5 kb allele which, however, was significant only in the SLE group. In all conditions except RA, the frequency of the 5.5 kb fragment was increased. In pSS and SLE, the frequency of HLA-B8 was increased in 5.5 kb fragment positive patients compared with corresponding controls and thus, the increase of this band and the decrease of the 10.5 kb band may be secondary to HLA-B8 associations owing to strong positive linkage disequilibrium between HLA-B8 and the 5.5 kb band.
M3 - Journal article
C2 - 2573169
VL - 34
SP - 17
EP - 22
JO - HLA
JF - HLA
SN - 2059-2302
IS - 1
ER -
ID: 18692926