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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 Am+J+Respir+Crit+Care+Med
2016 ; 193
(9
): 1008-22
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High-Density Genetic Mapping Identifies New Susceptibility Variants in
Sarcoidosis Phenotypes and Shows Genomic-driven Phenotypic Differences
#MMPMID26651848
Rivera NV
; Ronninger M
; Shchetynsky K
; Franke A
; Nöthen MM
; Müller-Quernheim J
; Schreiber S
; Adrianto I
; Karakaya B
; van Moorsel CH
; Navratilova Z
; Kolek V
; Rybicki BA
; Iannuzzi MC
; Petrek M
; Grutters JC
; Montgomery C
; Fischer A
; Eklund A
; Padyukov L
; Grunewald J
Am J Respir Crit Care Med
2016[May]; 193
(9
): 1008-22
PMID26651848
show ga
RATIONALE: Sarcoidosis is a multisystem disease of unknown cause. Löfgren's
syndrome (LS) is a characteristic subgroup of sarcoidosis that is associated with
a good prognosis in sarcoidosis. However, little is known about its genetic
architecture or its broader phenotype, non-LS sarcoidosis. OBJECTIVES: To address
the genetic architecture of sarcoidosis phenotypes, LS and non-LS. METHODS: An
association study in a white Swedish cohort of 384 LS, 664 non-LS, and 2,086
control subjects, totaling 3,134 subjects using a fine-mapping genotyping
platform was conducted. Replication was performed in four independent cohorts,
three of white European descent (Germany, n?=?4,975; the Netherlands, n?=?613;
and Czech Republic, n?=?521), and one of black African descent (United States,
n?=?1,657), totaling 7,766 subjects. MEASUREMENTS AND MAIN RESULTS: A total of
727 LS-associated variants expanding throughout the extended major
histocompatibility complex (MHC) region and 68 non-LS-associated variants located
in the MHC class II region were identified and confirmed. A shared overlap
between LS and non-LS defined by 17 variants located in the MHC class II region
was found. Outside the MHC region, two LS-associated loci, in ADCY3 and between
CSMD1 and MCPH1, were observed and replicated. CONCLUSIONS: Comprehensive and
integrative analyses of genetics, transcription, and pathway modeling on LS and
non-LS indicates that these sarcoidosis phenotypes have different genetic
susceptibility, genomic distributions, and cellular activities, suggesting
distinct molecular mechanisms in pathways related to immune response with a
common region.
|*Genotype
[MESH]
|*Phenotype
[MESH]
|Czech Republic
[MESH]
|Female
[MESH]
|Genetic Predisposition to Disease/*genetics
[MESH]