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Measles virus specific precipitins in sera from patients with chronic active hepatitis.

Measles virus specific antibodies in sera from 29 patients with chronic active hepatitis have been examined using standard serological tests and immunoelectrophoretic techniques. Significantly raised CF antibody titres against measles virus antigen were demonstrated in 50% of the sera. The major immunoprecipitate obtained by immunoelectrophoresis was shown to contain aggregates of measles virus nucleocapsids. Antibodies against the haemagglutinin antigen of the virus envelope were also raised and were demonstrated by line immunoelectrophoresis.

Adolescent↗

Immunochemical studies on beta-lactoglobulins. precipitin reactions of sow's and mare's mammary secretions against anti - bovine beta - lactoglobulin antiserum.

By double diffusion in agarose gel, in well defined experimental conditions, cross reactions were observed between porcine beta-lactoglobulins and anti-bovine beta-lactoglobulin antisera. The immunological reactivity between these beta-lactoglobulins from a monogastric and the ruminant anti beta-lactoglobulin antiserum thus implies a certain degree of similarity between the monomeric beta-lactoglobulins examined and the dimeric of the ruminants. With the same antisera it also proved possible to demonstrate the presence of beta-lactoglobulins in the mammary secretions of another monogastric, namely, the mare. Identity reactions observed between sow's and mare's beta-lactoglobulins seem to indicate a close similarity in their structures.

Animals↗