Mice deficient in Schnurri-3 (SHN3; also known as HIVEP3) display increased bone formation, but harnessing this observation for therapeutic benefit requires an improved understanding of how SHN3 functions in osteoblasts. Here we identified SHN3 as a dampener of ERK activity that functions in part downstream of WNT signaling in osteoblasts. A D-domain motif within SHN3 mediated the interaction with and inhibition of ERK activity and osteoblast differentiation, and knockin of a mutation in
Jae-Hyuck Shim, Matthew B. Greenblatt, Weiguo Zou, Zhiwei Huang, Marc N. Wein, Nicholas Brady, Dorothy Hu, Jean Charron, Heather R. Brodkin, Gregory A. Petsko, Dennis Zaller, Bo Zhai, Steven Gygi, Laurie H. Glimcher, Dallas C. Jones
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