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. 1979 Jan;35(1):133–140.

Antibody-dependent cell-mediated cytotoxicity (ADCC) and cell-mediated cytotoxicity (CMC) to HBsAg-coated target cells in patients with hepatitis B and chronic hepatitis (CAH).

H Warnatz, W Rösch, W Gerlich, W Gutmann
PMCID: PMC1537592  PMID: 371882

Abstract

A new technique using HBsAg-coated Chang cells as target cells was developed in order to measure cell-mediated immune reactions to HBsAg. The specificity of cytotoxic reactions was tested in experiments using Chang cells conjugated with human serum albumin. Antibody-dependent cell-mediated cytotoxicity (ADCC) specific for the HBsAg-coated target cells was demonstrated up to dilutions of anti-HBsAg serum of 10,000 : 1, when lymphocytes from the peripheral blood of normal individuals were added to the target cells. Spontaneous cell-mediated cytotoxicity (CMC) to HBsAg-coated target cells was demonstrated for lymphocytes from patients with hepatitis B and from patients with chronic active hepatitis (CAH), but not for lymphocytes from healthy controls. The CMC of hepatitis B lymphocytes to HBsAg-coated target cells was inhibited in the presence of antiserum to HBsAg. In experiments using purified lymphocyte populations evidence is presented that the CMC is T-cell dependent. HLA-restriction of the CMC was not observed. The described cytotoxicity test system has the advantage that target cells conjugated with defined antigens are used and that relevant control target cells are available.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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