Fig. 1. Immunohistochemical detection of iNOS in IBAT (polyclonal antibody 1:200
v/v). (A) Control 22±1°C, (B) control 4±1°C, (C)
L-Arg 22±1°C, (D) L-Arg 4±1°C, (E)
L-NAME 22±1°C, (F) L-NAME 4±1°C.
(G) Non-immune (Ni) control - primary antibody was omitted. Inserts show
fields at higher magnification. Scale bars, 25 µm.