Human papilloma virus and esophageal carcinoma in a Latin-American region

Figure 1 Identification of HPV with general primers L1C1/C2. PCR products were run in 2% agarose gel. Lanes 1-16 correspond to representative positive and negative cases. DNA extracted from Caski celI lines were used as a positive control. Neg: PCR mixture without DNA; L: 100 bp ladder.

Figure 2 Representative electropherograms showing fragments of HPV-16, -18 and -59 genomic sequences, obtained from the analysis of PCR products L1C1/C2 from HPV-positive samples.