C7*N is a hypomorphic allele of the human complement c7 M/N protein polymorphism
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C7*N is a hypomorphic allele of the human complement c7 M/N protein polymorphism
Exp Clin Immunogenet.
1991.
Abstract
Two complement C7 protein polymorphisms exist. One is determined by isoelectric focussing whereas the other is determined by the reaction pattern of a monoclonal C7-allospecific antibody in an ELISA assay. C7 concentrations quantitated by an ELISA based on polyclonal C7-specific IgG and data from functional haemolytic assays were compared with the allotypes of both C7 protein polymorphisms. Testing a randomly selected Japanese population revealed that not only C7*3 but also C7*N is a hypomorphic allele. However, no significant disease association of C7*N or C7*M was found in studies of hospitalized patients.
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