Achalasia—An Autoimmune Inflammatory Disease: A Cross-Sectional Study

Figure 7

HSV-1 identification. (a) In situ hybridization. Arrows depict achalasia tissue with viral infection. (b) In situ RT-PCR for active replication of HSV-1. Arrows show antigen detection of HSV-1 infected cells in a skin lesion (positive control) and achalasia tissue. Original magnification was ×200. (c) Immunohistochemistry for antigen HSV-1 detection. Arrows depict immunoreactive cells. Original magnification was ×320.

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