Table 1. Monoclonal and polyclonal antibodies used for immunohistochemical staining.

Primary Antibody	Dilution	Incubation Time	Source*
• Anti-CD34 (Clone My10) (mc)	1/50	60 minutes	BD Biosciences
• Anti- α-Smooth muscle actin (Clone 1A4) (mc)	1/200	60 minutes	Dako
• Anti- Neurotrophin 3 (Catalogue No. ab65804) (pc)	1/100	60 minutes	Abcam
• Anti-Neurotrophin 4 (Catalogue No. ab87394) (mc)	1/50	60 minutes	Abcam
• Anti-TrkA (763): SC-118 (pc)	1/50	60 minutes	Santa Cruz Biotechnology, Inc.
• Anti-TrkB (H-181): SC-8316 (pc)	1/50	60 minutes	Santa Cruz Biotechnology, Inc.
• Anti-TrkC (798): SC-117 (pc)	1/100	60 minutes	Santa Cruz Biotechnology, Inc.

^*Location of manufacturers: BD Bioscience, San Jose, CA, USA, Dako, Glostrup, Denmark, Abcam, Cambridge, UK, Santa Cruz Biotechnology, Inc., Santa Cruz, CA, USA.

mc = monoclonal, pc = polyclonal.