## Abstract Coded sera from 54 patients with African Burkitt's lymphoma (BL) were titrated for antibodies against an Epstein‐Barr virus (EBV)‐induced membrane antigen in the antibody‐dependent cellular cytotoxicity (ADCC) assay. The titers were then correlated with the progression of lymphoma growt
Antibody-dependent cellular cytotoxicity against epstein-barr virus-associated antigens in african patients with nasopharyngeal carcinoma
✍ Scribed by Gary R. Pearson; Bo Johansson; George Klein
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- French
- Weight
- 562 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0020-7136
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✦ Synopsis
Abstract
Antibody‐dependent cellular cytotoxicity (ADCC) was performed on serum samples from African patients with nasopharyngeal carcinoma (NPC) to determine whether antibody titers determined by this assay might be of prognostic value in this disease. The serum donors were divided into two groups: (1) those individuals who died within 2 years following diagnosis of NPC; and (2) individuals who responded well to therapy and survived for more than 2 years following diagnosis. The ADCC GMT for the survivor group was significantly higher than the GMT for non‐survivors (5,410 versus 615). Interestingly, there were a number of discordant sera in the non‐survivor group that had very low ADCC titers (<240) at diagnosis in the presence of high VCA titers. When ADCC titers were compared with anti‐EA or IgA antibody titers to VCA, a statistically significant inverse correlation was noted. These data suggest that ADCC titers might be of prognostic importance in African NPC.
📜 SIMILAR VOLUMES
## Abstract Serial samples of sera from patients with African Burkitt's lymphoma were tested for antibody against Epstein‐Barr virus (EBV)‐specific membrane antigen (MA) by the antibody‐dependent cell‐mediated cytotoxicity assay (ADCC). Titers of patients in the long‐term survivor group were genera
A salt-dependent DNA polymerase activity was demonstrated in the culture of an EBV-producing, lymphoblastoid cell line (NPC-204 cells) treated with 5-iodo-2'-deoxyuridine (IUdR). There was a high frequency of levels of antibody to this enzyme in sera of patients with nasopharyngeal carcinoma (NPC).
## Abstract Immunoglobulin fractions containing antibodies to the Epstein‐Barr virus (EBV) were isolated from different sera and tested in the antibody‐dependent cellular cytotoxicity (ADCC) assay. All cytotoxic activity resided in the IgG fraction. IgA antibodies were not cytotoxic in this assay a
The Epstein-Barr virus (EBV) open reading frame BHRF1, a homologue of the oncogene bcl-2, was cloned from a patient with nasopharyngeal carcinoma (NPC) and overexpressed in Escherichia coli. The resulting recombinant BHRF1 fusion protein, with an apparent molecular weight of 35 KD, was used as antig