## Abstract Results are presented of Epstein‐Barr virus‐specific serologic tests for seven Alaskan Native patients with nasopharyngeal carcinoma (NPC) from whom serum had been collected 2–10 years before diagnosis and up to 6 years after diagnosis. The pre‐illness antibody spectra and titers of the
Association of Epstein-Barr virus with nasopharyngeal carcinoma in alaskan native patients: Serum antibodies and tissue EBNA and DNA
✍ Scribed by Dr. Anne P. Lanier; Georg W. Bornkamm; Werner Henle; Gertrude Henle; Thomas R. Bender; Marion L. Talbot; Peter H. Dohan
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- French
- Weight
- 486 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0020-7136
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✦ Synopsis
Abstract
Biopsy specimens from Alaskan Native patients with nasopharyngeal carcinoma (NPC) and from other patients seen on the otolaryngology service were tested for Epstein‐Barr virus‐specific DNA and nuclear antigen (EBNA). Serum samples from both groups were tested for various EBV‐related antibodies. EBV DNA and EBNA results were in agreement in 29 of 31 tissue specimens tested by the two methods. Ten of 11 biopsies containing NPC cells were positive for EBV DNA. Two NPC patients had biopsies that showed only atypical epithelium but were also positive for EBV DNA or EBNA. The other tissue specimens were negative except for biopsies from two patients: one with a parotid gland lymphoepithelial lesion; another with undifferentiated carcinoma of salivary gland origin.
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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 ## BACKGROUND Serologic measurement of antibodies to Epstein–Barr virus (EBV) immunoglobulin A/viral capsid antigen (IgA/VCA) and early antigen (IgA/EA) has been used widely to screen for nasopharyngeal carcinoma (NPC) in China. Recently, it was found that plasma EBV DNA concentration
## Abstract The Epstein‐Barr virus nuclear antigen I (EBNA I) is the only latent EBV antigen consistently expressed in malignant tissues of the nasopharynx. A 20‐amino‐acid synthetic peptide, p107 contains a major epitope of EBNA I. We tested sera from 210 patients with nasopharyngeal carcinoma (NP
## RESULTS. In specimens from 107 patients with NPC, EBV was detected by PCR in 2 Department of Pathology, the Johns Hopkins 97 cases (90.7%) and by EBER in situ hybridization in 105 cases (98.1%). In speci-