GLI1 is a direct target of the GLI transcription factors and its expression is absolutely dependent on Hh pathway activation (Dai et al, 1999; Bai et al, 2002; Bai et al, 2004; Vokes et al, 2007; Vokes et al, 2008; Lee et al, 2010). GLI1 is an obligate transcriptional activator and its expression downstream of Hh stimulation establishes a positive feedback loop (reviewed in Briscoe and Therond, 2013).
Dai, P, Akimaru, H, Tanaka, Y, Maekawa, T, Nakafuku, M, Ishii, S
Bai, CB, Stephen, D, Joyner, AL
Vokes, SA, Ji, H, McCuine, S, Tenzen, T, Giles, S, Zhong, S, Longabaugh, WJ, Davidson, EH, Wong, WH, McMahon, AP
Vokes, SA, Ji, H, Wong, WH, McMahon, AP
Briscoe, J, Thérond, PP
Bai, CB, Auerbach, W, Lee, JS, Stephen, D, Joyner, AL
Lee, EY, Ji, H, Ouyang, Z, Zhou, B, Ma, W, Vokes, SA, McMahon, AP, Wong, WH, Scott, MP
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