Whole mount and section in situ hybridization assays were performed using established protocols (Lan and Jiang 2009 (link); Lan et al. 2001 (link); Liu et al. 2013 (link); Zhang et al. 1999 (link)).
Immunofluorescent staining was performed using paraffin or frozen sections following standard protocols (Lan et al. 2016 (link); Xu et al. 2016 (link); Zhou et al. 2011 (link)). Antibodies used include rabbit anti-Giantin (GOLGB1, Abcam ab24586; 1:300), mouse anti-GM130 (BD610823; 1:500), rabbit anti-GOLGA5 (Sigma-Aldrich HPA000992; 1:300).