Detection of Opportunistic Fungus Pneumocystis jirovecii Major Surface Glycoprotein (MSG) gene in HIV-AIDS Patients with Pneumoniae in Jakarta
Abstract
Pneumocystis jirovecii is known to cause opportunistic infections in the lower respiratory tract in individuals with low immune systems, especially patient with HIV infection. The prevalence of P. jirovecii pneumonia (PjP) in various countries show varying numbers. In Indonesia, HIV cases continue to rise. However, the data in Indonesia concerning the case of PjP is very limited. Until now the prevalence of PjP in Indonesia is only based on clinical symptoms of the patient. Currently, diagnosis of PjP relies on microscopic examination. The disadvantage of this examination is not easy to do and has a high negative predictive value. Thus, this study was conducted to develop a molecular test to diagnose PjP infection in HIV-AIDS suspected pneumonia. Molecular diagnostic test aimed for Major Surface Glycoprotein (MSG) gene of P. jirovecii detection was done through real-time PCR against 100 sputum samples. Demographic data show that the prevalence of PjP infection in HIV-AIDS suspected pneumonia patients in Jakarta is 20.0%, male 75% within 31-40 y.o (35%), dominant (80%) from patients with CD4+ T-lymphocytes of 200-349 cells/µL. Molecular real-time PCR methods were shown to give five times sensitivity higher than Giemsa stain.
Keywords: P. jirovecii, HIV, real-time PCR
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