Figure 6. Diameter distribution of DRG neurones expressing α_2A-AR-IR in relation to markers for transection or injury of peripheral fibres.

A, mean number (±s.d.) of α_2A-AR-IR neurones in 10 sections of the ipsilateral L₄ DRG from 5 animals after complete sciatic nerve transection 7-14 days previously. Filled bars, α_2A-AR-IR only; hatched bars, α_2A-AR-IR and retrogradely transported Fluoro-Gold (FG). B, mean number (±s.d.) of α_2A-AR-IR neurones in 10 sections of the ipsilateral L₄ DRG from 6 animals after partial transection of the ipsilateral sciatic nerve. Filled bars, α_2A-AR-IR only; hatched bars, α_2A-AR-IR and c-jun-IR. See Methods and Results for additional details.