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Detection of human immunodeficiency viruses by the polymerase chain reaction
1Department of Infectious Diseases, Cetus Corp, Emeryville, Calif. 94608.
Insights
Detecting human immunodeficiency viruses (HIV) is challenging due to low virus levels. Polymerase chain reaction (PCR) offers a sensitive method for identifying HIV proviral DNA sequences in infected individuals.
Area of Science:
- Virology
- Molecular Biology
- Immunology
Background:
- Human immunodeficiency viruses (HIV) types 1 and 2 are the causative agents of acquired immunodeficiency syndrome (AIDS).
- Directly detecting HIV is difficult due to the low concentration of circulating virus and the limited number of infected cells.
Purpose of the Study:
- To highlight the features of the polymerase chain reaction (PCR) technique.
- To demonstrate the contribution of PCR to the detection of HIV in infected individuals.
Main Methods:
- Utilizing an in vitro DNA amplification procedure.
- Applying the polymerase chain reaction (PCR) for detecting HIV proviral sequences.
Main Results:
- The polymerase chain reaction (PCR) has been successfully applied to detect HIV proviral DNA.
- This method enhances the sensitivity of HIV detection compared to direct methods.
Conclusions:
- Polymerase chain reaction (PCR) is a valuable tool for the sensitive detection of human immunodeficiency viruses (HIV).
- PCR significantly improves the ability to identify HIV infection by targeting proviral DNA sequences.
Abstract:
The human immunodeficiency viruses types 1 and 2 have been implicated as the etiologic agent of the acquired immunodeficiency syndrome and its related disorders. The direct detection of human immunodeficiency virus is complicated by the low incidence of free circulating virus as well as the small number of infected cells. An in vitro DNA amplification procedure known as the polymerase chain reaction has been applied to the detection of the human immunodeficiency virus proviral sequences in infected individuals. This article highlights the features of the polymerase chain reaction and its contribution to the detection of these viruses.
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