Polymorphism of the human complement component C3- genetic and immunological aspects

• Genetic polymorphism is by definition the occurrence in the same population of two or more alleles at one locus,each with a frequency high enough not to be maintained by recurrent mutation only (1). Among the human plasmaproteins two major categories of polymorphism have been described, allotypic and electrophoretic heterogeneity. Allotypy is defined by Oudin as individual antigenic differences among proteins within a species (2). The first discovered polymorphism of this category was the Gm system of immunoglobulin G by Grubb (3). The first described electrophoretic heterogeneity in plasma proteins was theHp (haptoglobin) system discovered by Smithies (4). Sincethen genetic variants of several other human plasma proteins have been found. This dissertation is concerned with thegenetic and immunological aspects of the polymorphism of the third component of human complement, C3.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinsk bioteknologi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Medical Biotechnology (hsv//eng)

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