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Fig. 6. Expression of IL-1b and the IL-1 type 1 receptor in
developing Xenopus laevis. a: Hindbrain reticular neurons (white
arrows), including Mauthner’s neuron (black arrow), show IL-1b
immunoreactivity (red) and IL-1 type 1 receptor immunoreactivity
(blue). b: Higher power view (1003) of Mauthner’s neuron. Note
expression of IL-1 type 1 receptor (blue) in the nucleus (white arrow),
ventral dendrite (black arrow), and axon hillock (blue arrow). c: Cells
of the ninth cranial ganglion are both double labeled (white arrows) for
IL-1b (red) and its type 1 receptor (blue). Surrounding fibroblast-type
cells are single labeled for the IL-1 type 1 receptor (blue label, black
arrows). |
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Fig. 3. IL-1b immunoreactivity is observed in the cranial ganglia of a 5-day-old tadpole. a: IL-1b
protein in the fifth cranial ganglion. b: The seventh, eighth, and ninth cranial ganglia (arrows) express
IL-1b protein. c: The seventh and eighth cranial ganglia at higher magnification (403). d: IL-1b is present
in only a specific subpopulation of cells in the eighth cranial ganglion. |
