Journal: Development (Cambridge, England)
Article Title: Analysis of cranial tenocyte heterogeneity reveals a role for Wnt signaling in tendon attachments
doi: 10.1242/dev.205047
Figure Lengend Snippet: Subsets of tenocytes are marked by active Wnt signaling during development. (A,F,K) Ventral views of cranial tendons at 48 hpf (A), 53 hpf (F) and 72 hpf (K) in Tg(scxa:mCherry; 7xTCF:GFP) zebrafish embryos immunostained for anti-mCherry (tenocytes, magenta), anti-GFP (Wnt responsive cells, green) and anti-MHC (muscle fibers, blue). (P) Ventral view of is HCR-stained Tg(7xTCF:GFP) 72 hpf embryo showing expression of scxa in tenocytes (magenta), sox9a in cartilage (blue) and co-immunostained with anti-GFP (Wnt responsive, green). (B-D,G-I,L-N,Q-S) Magnified views of region marked by white dotted lines in A,F,K,P, respectively, showing immunofluorescent signal of mCherry and GFP and is HCR expression of scxa , sox9a and IF staining of GFP. (E,J,O,T) Monochrome panel showing tenocytes co-expressing mCherry and GFP, and scxa and GFP. (U-W) Magnified view of region marked by red dotted lines in P showing is HCR expression of scxa , sox9a and IF staining of GFP. (X) Monochrome image showing tenocytes co-expressing scxa and GFP. Scale bars: 20 μm (A,F,K,Q,U); 30 μm (P); 15 μm (G); 10 μm (B,L).
Article Snippet: Embryos were stained using mouse monoclonal anti-Myosin heavy chain (MHC) antibody (Developmental Studies Hybridoma Bank, A4.1025; RRID:AB_528356) at 1:200 dilution, rat monoclonal anti-mCherry antibody (Invitrogen, M11217 ; RRID:AB_2536611) at 1:500 dilution, rabbit polyclonal anti p-Myosin light chain (p-MLC) antibody (Cell Signaling Technology, 3671; RRID:AB_330248) at 1:500 dilution, rabbit anti-Thrombospondin4b antibody (Thbs4b) (GeneTex, GTX125869; RRID:AB_2885605) at 1:1000 dilution.
Techniques: Staining, Expressing