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. 2019 Sep 26;10(10):713. doi: 10.1038/s41419-019-1952-z

Fig. 7. Model of Isl1 function in mice developing urethral epithelium.

Fig. 7

Tamoxifen-induced Isl1 DNA recombine and decreased ISL1 protein level. Insufficient ISL1 protein bind to the Shh gene promoter lead to failure of Shh transcription activation. This affects commitment of urethral epithelial cell and increasing apoptosis then resulting in hypoplasia. The green line indicates positive regulation and the red line indicates negative regulation