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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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il1b (Interleukin-1 beta) immunoreactivity in Mauthner’s neuron and afferents (arrow) in a 9-day-old Xenopus tadpole. |
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Fig. 4. IL-1b immunoreactivity in the neuromuscular system. a: Primary motoneuron (arrow) in a
6-day-old tadpole. b: Labeling in the tail musculature (arrow) of a 5-day-old tadpole. c: Rohon-Beard
neurons (arrows) in a 5-day-old tadpole. d: Dorsal root ganglia (arrows) in a 7-day-old tadpole. |
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Fig. 2. Interleukin-1 beta (IL-1b) immunoreactivity is observed in
specific reticular neurons. a: Reticular cells in the midbrain (arrows) of
a 4-day-old tadpole. b: Mauthner’s giant neuron and axon (arrow) are
labeled in a 9-day-old tadpole. c: Mauthner’s neuron and afferents
(arrow) are labeled in a 9-day-old tadpole. d: The lateral dendrite
(arrow) as well as other dendrites are labeled in Mauthner’s neuron in
a 6-day-old tadpole. D-V, dorsal-ventral orientation; A-P, anteriorposterior
orientation. |
