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Fig. 6. Specific drugs have differential agonist activity at 5-HT2β
and 5-HT1
. (A) Release of IP in cells expressing
5-HT2βPro (right) in response to various putative agonist
drugs (10–3 mol l–1, except methysergide,
10–5 mol l–1). Non-transfected HEK cells
(left) show no IP release in response to the drugs. Values are means ±
s.e.m., N=3, ***P<0.001 and
*P<0.05 vs no drug. (B) Inhibition of
forskolin-stimulated cAMP production in response to the same drugs in cells
induced to express 5-HT1
Pro. Values are means ±
s.e.m., N=3, #P<0.05 vs non-induced,
**P<0.001 and
P<0.05
vs forskolin only.