Title: Butyrophilin-like 2 in pulmonary sarcoidosis: a factor for susceptibility and progression?
Authors: Wijnen, Petal A ×
Voorter, Christina E
Nelemans, Patty J
Verschakelen, Johny
Bekers, Otto
Drent, Marjolein #
Issue Date: Apr-2011
Publisher: Elsevier/North-Holland
Series Title: Human Immunology vol:72 issue:4 pages:342-347
Abstract: The aims of this study were to assess the association of BTNL2G16071A with the course of pulmonary sarcoidosis and to verify the association with disease predisposition. In addition, the linkage between BTNL2G16071A and certain human leukocyte antigen (HLA)-DRB1/DQB1 types was investigated. In a retrospective case-control study BTNL2G16071A, HLA-DQB1, and HLA-DRB1 were typed in 632 sarcoidosis patients. These patients were classified into 304 patients with persistent sarcoidosis and 328 patients with nonpersistent sarcoidosis. The BTNL2 16071A variant allele was present significantly more often in patients with persistent disease (92.4%; 281/304) compared with patients demonstrating a nonpersistent course (86.6%; 284/328; odds ratio (OR) = 1.89 with 95% confidence interval (95% CI) 1.11-3.22). Furthermore, BTNL2 16071A variant allele carriers have an increased risk (OR = 1.85, 95% CI 1.19-2.88) of developing sarcoidosis. Moreover, the strong linkage between variant allele and HLA-DRB1*15 presence (OR = 8.43, 95% CI 3.02-23.5) was confirmed. The presence of a BTNL2G16071A variant allele almost doubles the risk of progressing to persistent pulmonary sarcoidosis in addition to increasing the risk of developing sarcoidosis. Presumably, these increased risks are caused by the strong linkage between BTNL2G16071A and DRB1*15. The choice between determining BTNL2G16071A SNP or the HLA-DRB1 type depends on the ability and/or availability to perform either test.
ISSN: 0198-8859
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Radiology
× corresponding author
# (joint) last author

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