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HHV8 and Kaposi's sarcoma: a time cohort study
M M Kennedy1, S B Lucas, R R Jones
1Nuffield Department of Pathology & Bacteriology, University of Oxford, United Kingdom.
Molecular Pathology : MP
|April 1, 1997
Summary
Human herpes virus 8 (HHV8) is linked to Kaposi's sarcoma (KS). This study assessed HHV8 presence in African and European KS cases, confirming its strong association with KS development.
Area of Science:
- Oncology
- Virology
- Epidemiology
Background:
- Human herpes virus 8 (HHV8) is frequently detected in Kaposi's sarcoma (KS) lesions.
- Epidemiological data suggest an infectious agent may cause KS.
- Understanding the evolution of HHV8 is crucial for comprehending KS pathogenesis.
Purpose of the Study:
- To investigate the evolutionary timeline and mechanisms of human herpes virus 8 (HHV8).
- To assess the prevalence of HHV8 in African endemic and European Kaposi's sarcoma (KS) cohorts.
- To compare the efficacy of standard PCR and TaqMan PCR for HHV8 detection.
Main Methods:
- Analysis of 49 African endemic KS and 18 European KS tissue samples collected over 27 years.
- Detection of HHV8 using standard solution phase polymerase chain reaction (PCR).
- Utilized TaqMan PCR, a novel technique, for enhanced viral detection.
Main Results:
- HHV8 was detected in 49% of African KS cases (24/49).
- HHV8 was detected in over 90% of European KS cases (16/18).
- Results align with existing seroepidemiological data on HHV8 prevalence.
Conclusions:
- HHV8 demonstrates a strong association with Kaposi's sarcoma development.
- Alternative factors may contribute to KS pathogenesis in a subset of patients.
- TaqMan PCR proved effective for detecting low-copy viral targets in human tissues.