A low C4 level is one of the hallmarks of mixed cryoglobulinaemia (MC). However, several reports suggest that other factors may be involved in C4 depletion. The C4 gene is located in a multiallelic CNV locus in the human MHC region. We studied the C4 gene copy number (GCN) and both C4A and C4B isotypes, as well as the presence of the hypofunctional C4A6 allotype (rs41315824) and C4A0 allotype (rs367709216) in 41 MC patients, 16 SLE patients and 78 healthy controls.
Immunogenetics of complement in mixed cryoglobulinaemia
MENEGATTI, Elisa
First
;SCIASCIA, Savino;BALDOVINO, Simone;ROCCATELLO, Dario
Last
2016-01-01
Abstract
A low C4 level is one of the hallmarks of mixed cryoglobulinaemia (MC). However, several reports suggest that other factors may be involved in C4 depletion. The C4 gene is located in a multiallelic CNV locus in the human MHC region. We studied the C4 gene copy number (GCN) and both C4A and C4B isotypes, as well as the presence of the hypofunctional C4A6 allotype (rs41315824) and C4A0 allotype (rs367709216) in 41 MC patients, 16 SLE patients and 78 healthy controls.
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