Distribution of histocompatibility antigens among patients with otosclerosis

Abstract

HLA-A-B-C phenotypes in 105 patients with otosclerosis, verificated during operation and correlated with the results of histoiden- tification of 113 healthy persons are determined. It is suggested that the ethnic sign does not influence the formation of the peculiarities of HLA polymorphism. The patients were devided into two groups: with familial predisposition to otosclerosis (33) and without it (72). A2, В12, Bx, Cx antigens are more frequent among them and A28, В18, B27, B40 and Cwl are less common. The associations, intending among the patients, are absent in patients with familial agrégation. The conclusions are made of the absence of the HLA-association of familial forms of otosclerosis and the existence of the gene, determinating the stability to the development of otosclerosis (HLA-B40). It is not inconceivable that genes exist, predisposing to the development of infamilial form of the disease (B12).

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