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Fig. 1.
Histopathology evaluation of different human colorectal tissues.A: A photomicrograph of human normal colorectal mucosa. B: A photomicrograph of human colorectal adenomatous C: A photomicrograph of human colorectal adenocarcinoma. (H&E×250)
Fig. 2.
Results of gel electrophoresis.(A) PCR analysis of DNA samples using type-specific primers for EBV. M: 100 bp Marker, C+: Control positive, C–: Negative control, 1 (a positive sample), 2 and 3: negative samples. (B) PCR analysis of DNA samples using type-specific primers for BKV. M: 100 bp Marker, C+: Control positive, C–: Negative control, 1 and 2 and negative samples. (C) PCR analysis of DNA samples using type-specific primers for JCV. M: 100 bp DNA Marker; C+: positive control; C–: Negative control; 1(a positive sample), 2 and 3: Negative samples.