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. Author manuscript; available in PMC: 2008 Jun 11.
Published in final edited form as: Hear Res. 2006 Feb 8;213(1-2):64–78. doi: 10.1016/j.heares.2005.11.011

Fig. 1.

Fig. 1

GTTR fluorescence in: (A) bullfrog saccule, (B) chick basilar papilla, (C) guinea pig cochlea and (D) 6-day-old murine cochlea 24 h after GT/GTTR injection (chick, 9 h). Panels (E–H) show negligible TR fluorescence in bullfrog saccule, chick basilar papilla, guinea pig and mouse cochleae, respectively, at equivalent time points and identical laser settings. (F) Weak, non-specific fluorescence is visible in chick stereociliary bundles, due to crosstalk from FITC-phalloidin-labeled stereocilia. (G) Weak autofluorescence (or aldehyde-induced fluorescence; arrowheads) is present in the inner sulcus region of the guinea pig, adjacent to the inner hair cell region (IHC in C, K). (I–L) Phalloidin-labeled sensory epithelia imaged in panels E–H, showing actiniferous regions at the lumenal surface. Scale bar applies to all images.