A VIRUS-LIKE PARTICLE ENZYME-LINKED-IMMUNOSORBENT-ASSAY DETECTS SERUM ANTIBODIES IN A MAJORITY OF WOMEN INFECTED WITH HUMAN PAPILLOMAVIRUS TYPE-16

被引:294
作者
KIRNBAUER, R
HUBBERT, NL
WHEELER, CM
BECKER, TM
LOWY, DR
SCHILLER, JT
机构
[1] NCI, CELLULAR ONCOL LAB, BLDG 36, RM 1D19, BETHESDA, MD 20892 USA
[2] NEW MEXICO CANC CTR, DEPT CELL BIOL, ALBUQUERQUE, NM USA
[3] NEW MEXICO TUMOR REGISTRY, ALBUQUERQUE, NM USA
[4] UNIV NEW MEXICO, DEPT MED, ALBUQUERQUE, NM 87131 USA
[5] UNIV NEW MEXICO, DEPT FAMILY & COMMUNITY MED, ALBUQUERQUE, NM 87131 USA
来源
JNCI-JOURNAL OF THE NATIONAL CANCER INSTITUTE | 1994年 / 86卷 / 07期
基金
奥地利科学基金会;
关键词
D O I
10.1093/jnci/86.7.494
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background: Previous studies have demonstrated that genital infection with high-risk types of human papillomavirus (HPV), most often HPV16, is the most significant risk factor for the development of cervical cancer. However, serologic assays that have been developed to identify high-risk HPV infection have either failed to associate serum reactivity with other indicators of HPV infection or have identified only a minority of HPV-infected individuals. Purpose: Our purpose was to determine whether a specifically developed enzyme-linked immunosorbent assay (ELISA) could detect IgG anti-HPV16 virion antibodies in the sera of women who had tested positive for genital HPV16 infection by DNA-based methods. Methods: An ELISA was developed using newly developed HPV16 virus-like particles as antigens to detect anti-HPV16 virion IgG antibodies. These particles are comprised of HPV16 structural proteins that are self-assembled in insect cells after expression by recombinant baculoviruses. The sera of 122 women, whose HPV status had been previously evaluated by nucleic acid-based methods, were tested by this ELISA. Results: The sera of 59% of women (32 of 54) positive for genital HPV16 DNA by polymerase chain reaction (PCR) were positive in the ELISA assay compared with sera from women who had tested negative for HPV DNA (P<.0005). In contrast. 6% of HPV DNA-negative women (two of 31) and 9% of women positive for low-risk HPV6/11 DNA (one of 11) were ELISA positive by this criterion. The sera of women who were DNA positive for two additional high-risk HPV types were evaluated; the sera of 31% of HPV18-positive (four of 13) and 38% of HPV31-positive women (five of 13) were positive in the HPV16 particle ELISA. The sera of 75% of HPV16 DNA-positive women with severe dysplasias (12 of 16) gave positive ELISA results. The sera of 67% of women (28 of 42) who tested positive for HPV16 DNA by both PCR and the less sensitive ViraType assay tested positive in the ELISA compared with 33% of women (four of 12) who were positive by PCR but negative by ViraType (P<.05). Conclusion: The majority of women with cervical HPV16 infection generate an IgG antibody response to conformationally dependent epitopes of HPV6/11 that can be detected by ELISA. Implication: This particular ELISA, or a similar one incorporating virus-like particles of additional HPV types, may be useful in determining the natural history of high-risk HPV infection and perhaps help to identify women at risk for developing cervical cancer.
引用
收藏
页码:494 / 499
页数:6
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