All animal use was approved by the Duke Institutional Animal Care and Use Committee on 4/1/22 under approval number A060-22-03. The following mouse lines were used: Myh9lox/lox [47 (link)] (Gift, Robert Adelstein), Myh10lox/lox [51 (link)] (Gift, Robert Adelstein), Emx1-Cre (005628) [48 (link)] (Jackson Laboratory), Nestin-EGFP [46 (link)] (Gift, Qiang Lu), Myh14-GFP [40 (link)] (Gift, Terry Lechler). Proteomics and validation were performed on wild-type C57BL/6J mice (Jackson Laboratory). Background: Myh9lox/lox and Myh10lox/lox mixed C57BL/6J; SV129, Emx1-Cre and Nestin-EGFP C57BL/6J. Embryonic stage E0.5 defined as the morning the plug was identified. Control mice for Myh9 and Myh10 experiments were Myh9lox/lox; Emx1- Cre+/+ and Myh10lox/lox; Emx1-Cre+/+, respectively.
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