Apoptosis and Pathogenesis of Avian Influenza A (H5N1) Virus in Humans
Figure 2. A) Detection of viral RNA in lung, trachea, and liver by reverse transcription–PCR (RT-PCR) (upper panel) and detection of positive- and negative-stranded viral RNA in trachea and liver by strand-specific RT-PCR (lower panel). Lane 1, 100-bp ladder; Neg, negative. B) RT-PCR showing overexpression of tumor necrosis factor-α in lung and liver tissues of patient in A compared with normal tissues.