[Fig. 2A] Sections were studied by IHC for neuron-specific enolase (NSE) (ab “BBS/NC/VI-HI4), leukocyte common antigen (LCA) CD45 (ab “2BII+PD 7/26”), S-100 protein (ab “S1/61/69”), Desmin (ab “D-33”) and MIC-2 (ab “12E7”) using avidin-biotin complex technique. The gene discussed is ENO2; the disease is Bardet-Biedl syndrome.