Fig. 3

a Immunostain of syphilis shows spirochetes in the cytoplasm of histiocytes (1000 X, oil immersion). b DNA expression of TPmod1 is detected by PCR analysis. (Pos: positive control; Sample: tumor of the patient; Neg: negative control)
a Immunostain of syphilis shows spirochetes in the cytoplasm of histiocytes (1000 X, oil immersion). b DNA expression of TPmod1 is detected by PCR analysis. (Pos: positive control; Sample: tumor of the patient; Neg: negative control)