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. 2016 Jan 22;8(1):24–31. doi: 10.1038/ijos.2015.53

Figure 4.

Figure 4

Results of in situ hybridization on 16.5-day-old tooth germ. To verify the results of immunohistochemistry, we performed in situ hybridization, which confirmed the enhanced expression of Hsp 60 in the enamel organ and in odontoblasts. (a) Apical part of the enamel organ at a higher magnification; (b) proximal part; (c) labial root from the whole mount sample. The probe positively labelled the PreA, A, PreO, O, SI and OEE of the tooth germ. The IEE also shows a signal that is not very intense. Scale bar: 100 µm; ac inserts, 20 µm. A, ameloblasts; IEE, enamel epithelium; O, odontoblasts; OEE, outer enamel epithelium; PreA, preameloblasts; PreO, preodontoblasts; SI, stratum intermedium.