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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 PLoS+One
2018 ; 13
(3
): e0194693
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Genetics in TNF-TNFR pathway: A complex network causing spondyloarthritis and
conditioning response to anti-TNF? therapy
#MMPMID29579081
Aita A
; Basso D
; Ramonda R
; Moz S
; Lorenzin M
; Navaglia F
; Zambon CF
; Padoan A
; Plebani M
; Punzi L
PLoS One
2018[]; 13
(3
): e0194693
PMID29579081
show ga
OBJECTIVES: We investigated whether polymorphisms (SNPs) in the promoter region
of TNFA, or in the autoinflammatory TNFRSF1A and MEFV genes, concur with HLA-B27
in enhancing the risk of Spondyloarthritis (SpA) and/or in predicting the
response to anti-TNF? treatment. METHODS: 373 controls and 137 SpA (82 with
Psoriatic Arthritis-PsA and 55 with Ankylosing Spondylitis- AS; 98/137 under TNF?
inhibitor therapy) from the Veneto Region (Italy) were studied. TNFA
polymorphisms (-1031T>C;-857C>T;-376G>A;-308G>A;-238G>A) and HLA-B27 were assayed
by RT-PCR. Direct sequencing of MEFV (exons 2,3,5 and 10) and TNFRSF1A (exons
2,3,4 and 6) genes were performed. RESULTS: HLA-B27 was associated with AS (?2 =
120.1; p = 0.000). Only the TNFA -1031T>C was singly associated with SpA, and the
haplotype C/G, resulting from -1031T>C/-308G>A combination, was significantly
associated with a reduced risk of SpA (OR: 0.67, CI: 0.46-0.97; p = 0.035). Two
SNPs were identified in TNFRSF1A, the R92Q (Minor allele frequency-MAF = 0.034)
and c.625+10A>G (MAF = 0.479). None of them was associated with SpA (p>0.05). The
TNFRSF1A c.625+10 G allele was associated with late response to anti-TNF? therapy
(p = 0.031). Twenty-one SNPs were identified in MEFV gene, 10 with a known
potential functional significance. Variant alleles were extremely rare in our
population (MAF<0.025) except for R202Q (MAF = 0.27). None was associated with
SpA diagnosis (p>0.05). CONCLUSION: TNFRSF1A and MEFV gene SNPs are not
associated with SpA in the North-East of Italy. AS risk appears to depend not
only on HLA-B27, but also on the protective TNFA haplotype -1031C/-308G. The
TNFRSF1A c.625+10A>G impacts on the response to anti-TNF? therapy.
|Adult
[MESH]
|Alleles
[MESH]
|Antibodies, Monoclonal/*therapeutic use
[MESH]
|Arthritis, Psoriatic/drug therapy
[MESH]
|Biomarkers/analysis
[MESH]
|Female
[MESH]
|HLA-B27 Antigen/genetics/metabolism
[MESH]
|Haplotypes
[MESH]
|Humans
[MESH]
|Italy
[MESH]
|Logistic Models
[MESH]
|Male
[MESH]
|Middle Aged
[MESH]
|Odds Ratio
[MESH]
|Polymorphism, Single Nucleotide
[MESH]
|Promoter Regions, Genetic
[MESH]
|Pyrin/genetics
[MESH]
|Receptors, Tumor Necrosis Factor, Type I/genetics
[MESH]