Methodical problems for evidence of the hepatitis-B-surface and hepatitis-B-core antigens in tissue (author's transl)

Acta histochemica
G Hess, W Arnold


Liver biopsy material of 22 in the serum HBsAg positive patients was tested with the fluorescent antibody technique for the localization of HBcAg and HBsAg in the liver tissue. Comparative studies were done with the following tissue preparation techniques: Cryostat technique, freeze drying, freeze substitution, cold ethanol paraffin embedding technique (SAINTE MARIE) and isolated liver cells. The investigations revealed the following results: 1. No HB-components could be detected with the cold ethanol paraffin embedding technique and freeze substitution. 2. Using the cryostat technique HBsAg could be demonstrated in 16/22 (cytoplasmatic localization) and HBcAg in 8/22 (nuclear localization). 3. With freeze drying HBsAg and HBcAg could be found in the same cases. The excellent tissue preparation allowed a correct localization of the HB-components to the cell structure. 4. In comparison to cryostat sections in isolated liver cells HBcAg could be demonstrated in 11/16 and HBcAg in 8/8 cases.


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Related Concepts

Immunofluorescence Assay
Hepatitis B Core Antigen
Hepatitis B Surface Antigens
Histological Techniques

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