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. 2019 Nov 8;10:1103. doi: 10.3389/fgene.2019.01103

Figure 1.

Figure 1

The processing of Hh proteins and their intracellular signaling pathways. (A) Cleavage of Hh polypeptides and their modifications in ER and golgi apparatus. (B) Processing, modifications and transport of Hh proteins in the producing cells. (C) Active signaling pathways in absence and in presence of Hh molecules. Schemas in dotted rectangles represent regulation of cAMP level in the cilia. The figure was made based on the information in (Varjosalo and Taipale, 2008; Balaskas et al., 2012; Moore et al., 2016; Parchure et al., 2018).