Published in Thyroid. January 2014, 24(1): 88-168. DOI: 10. 1089/thy Published in Thyroid. January 2014, 24(1): 88-168. DOI: 10.1089/thy.2013.0109 © Mary Ann Liebert, Inc. FIG. 4. Detection of dual oxidase (DUOX) and thyroperoxidase in the mouse thyroid by immunohistochemistry. (A) DUOX was detected on frozen sections with rabbit polyclonal antibody diluted 1/3000 and incubated overnight. Positivity is observed at the apical pole (arrows, inset). (B) thyroperoxidase was detected on paraffin sections with rabbit antibody Loαd TPO 821, 4 μg/mL and incubated for 3 hours. Reproduced with permission from Senou et al. (20).