ライフサイエンスコーパス: 5-HT2A receptor

1 radiation are mediated by activation of the 5-HT2A receptor.

2 the drug, possibly through antagonism of the 5-HT2A receptor.

3 by ketanserin, indicating activation of the 5-HT2A receptor.

4 suggesting that regulation may occur at the 5-HT2A receptor.

5 zing effect of 5-HT on PVINs was mediated by 5-HT2A receptor.

6 cortical-cortical responses mediated by the 5-HT2A receptor.

7 It has high selectivity over 5-HT2A receptor.

8 inhibition of a K+ current via postsynaptic 5-HT2A receptors.

9 ptor affinity assays selective for serotonin 5-HT2A receptors.

10 otor neurons are analogous to the vertebrate 5-HT2A receptors.

11 good selectivity against the 5-HT2B and the 5-HT2A receptors.

12 tyric acid (GABA)-containing neurons through 5-HT2A receptors.

13 urons; and 4) MSDB parvalbumin cells contain 5-HT2A receptors.

14 se indicating that it was likely mediated by 5-HT2A receptors.

15 y slightly decreased affinity for cloned rat 5-HT2A receptors.

16 ng that probably all pyramidal cells express 5-HT2A receptors.

17 dly reduced agonist affinity and efficacy at 5-HT2A receptors.

18 t for both agonist binding and activation of 5-HT2A receptors.

19 lls cultured from rat sciatic nerves express 5-HT2A receptors.

20 f transfected human 5-HT2C receptors but not 5-HT2A receptors.

21 duced up-regulation and enhanced activity of 5-HT2A receptors.

22 midal neurons, which are known to be rich in 5-HT2A receptors.

23 proteins and DOI-induced desensitization of 5-HT2A receptors.

24 own-regulation of the 5-hydroxytryptamine2A (5-HT2A) receptor.

25 ist-induced desensitization of serotonin 2A (5-HT2A) receptors.

26 as approximately 6-fold less potent at human 5-HT2A receptors ([125I]DOI) with a derived Ki value of

27 ntified by their high affinity for serotonin 5-HT2A receptors (2AR).

28 At the cloned human 5-HT2A receptor 3b had about twice the affinity of 3a.

29 The serotonin 5-HT2A receptor (5-HT-sub(2A)R) may play a role in reins

30 Acute treatment of wild-type platelets with 5-HT2A receptor (5-HT2AR) antagonists or SSRIs revealed

31 otoninergic system in PFC, in particular the 5-HT2A receptor (5-HT2AR) could have a role in the contr

32 havioral studies carried out in mice lacking 5-HT2A receptors (5-HT2AR) revealed a remarkable 5-HT2AR

33 ytryptamine, 5-HT) innervation and expresses 5-HT2A receptors (5-HT2ARs) and other 5-HT receptors, ra

34 We demonstrate that global disruption of 5-HT2A receptor (5HT2AR) signaling in mice reduces inhib

35 es of indole agonists at the human serotonin 5-HT2A receptor (5HT2AR).

36 efrontal cortex; this effect was mediated by 5-HT2A receptors, a proposed site of action of hallucino

37 5-Hydroxytryptamine 2A (5-HT2A) receptors, a major site of action of clozapine a

38 sing biases and the specific contribution of 5-HT2A receptors across different emotional domains is u

39 Interestingly, 5-HT2A receptor activation by agonists, but not antagoni

40 Here, we show that 5-HT2A receptor activation enhances NMDA transmission an

41 T2A receptors, we tested the hypothesis that 5-HT2A receptor activation is critical for gasping.

42 a pro- and antinociceptive action following 5-HT2A-receptor activation; therefore, to shed light on

43 receptors, most likely through modulation of 5-HT2A receptor activity, on spinal nociceptive transmis

44 ed light on the directional nature of spinal 5-HT2A receptor activity, we investigated the effects of

45 mechanical ventilation during the seizure or 5-HT2A receptor agonist pretreatment.

46 ulation of BDNF expression by hallucinogenic 5-HT2A receptor agonists leads to adaptations of synapti

47 ents demonstrate that down-regulation of the 5-HT2A receptor alone is sufficient to achieve an antide

48 ensity of 5-HT transporters or post-synaptic 5-HT2A receptors, an index of 5-HT neuronal activity.

49 eight loss after RYGB and that the change in 5-HT2A receptor and 5-HT transporter binding correlated

50 In vivo cerebral 5-HT2A receptor and 5-HT transporter binding was determi

51 Additional studies demonstrated that 5-HT2A receptor and PSD-95 were co-localized in clusters

52 aining protein, directly associates with the 5-HT2A receptor and regulates 5-HT2A receptor-mediated s

53 [3H]ketanserin from rat cortical homogenate 5-HT2A receptors and [3H]-8-OH-DPAT from rat hippocampal

54 [3H]ketanserin from rat cortical homogenate 5-HT2A receptors and [3H]8-OH-DPAT from rat hippocampal

55 cal neurones in vitro can be depolarised via 5-HT2A receptors and hyperpolarised via 5-HT1A receptors

56 We first demonstrated that 5-HT2A receptors and IL-6-mediated STAT3 phosphorylation

57 , a compound with affinities for sigma-2 and 5-HT2A receptors and no direct dopamine affinities, in c

58 al activity and intracellular trafficking of 5-HT2A receptors and possibly other GPCRs.

59 These results suggest that 5-HT2A receptors and transferrin receptors are internali

60 The serotonin 2A (5-HT2A) receptor and the proinflammatory cytokine, inter

61 Pretreatment with a 5-HT2A receptor antagonist and a 5-HT2C receptor agonist

62 have shown that M100907, a highly selective 5-HT2A receptor antagonist and a putative atypical antip

63 dditionally pretreated with the preferential 5-HT2A receptor antagonist ketanserin (50 mg vs placebo)

64 ects in vivo and ex vivo were blocked by the 5-HT2A receptor antagonist ketanserin and absent in mice

65 zation was blocked by preincubation with the 5-HT2A receptor antagonist ketanserin.

66 n, we evaluated the effects of the selective 5-HT2A receptor antagonist M100907 on intravenous cocain

67 The selective 5-HT2A receptor antagonist M100907 significantly attenua

68 tion additively with eotaxin and a dual CCR3/5-HT2A receptor antagonist may be more effective in bloc

69 Also, the 5-HT2A receptor antagonist MDL 11,939 (0.0, 0.5, or 2.0

70 The 5-HT2A receptor antagonist MDL100,907 ((+/-)-alpha(2,3-d

71 Neither the 5-HT2A receptor antagonist nor the 5-HT2C receptor antag

72 bursting were selectively eliminated by the 5-HT2A receptor antagonist piperidine or ketanserin.

73 Postnatal, selective 5-HT2A receptor antagonist treatment blocked PNFlx-evoke

74 s using the radioligand (123)I-5-I-R91150, a 5-HT2A receptor antagonist, as the imaging probe.

75 The 5-HT2C receptor antagonist, but not the 5-HT2A receptor antagonist, effectively inhibited lordos

76 5-MEOT were significantly attenuated by the 5-HT2A receptor antagonist, ketanserin (0.5 mg kg-1), wh

77 the effects of spinal administration of the 5-HT2A receptor antagonist, ketanserin, on the evoked re

78 a 5-HT2C receptor agonist, WAY163909, and a 5-HT2A receptor antagonist, M100907, given alone and in

79 -HT2A/C receptor antagonist, ketanserin, the 5-HT2A receptor antagonist, MDL100907, the 5-HT2C recept

80 potential lordosis-inhibiting effects of the 5-HT2A receptor antagonist, R(+)-a-(2, 3-dimethoxyphenyl

81 ective effects of LSD are fully blocked by a 5-HT2A receptor antagonist.

82 1 antagonist, or by ketanserin, a serotonin 5-HT2A receptor antagonist.

83 um mobilization was blocked with a selective 5-HT2A receptor antagonist.

84 5-HT2A receptor antagonists (including MDL-100907 and cy

85 Previous studies indicate that 5-HT2A receptor antagonists attenuate the reinstatement

86 Serotonin 5-HT2A receptor antagonists have been shown to attenuate

87 onin antibodies or by treating the mice with 5-HT2A receptor antagonists.

88 The putative CaM binding regions of the 5-HT2A receptor are localized to the second intracellula

89 Importantly, central 5-HT2A receptors are also required for peripherally inje

90 al studies have demonstrated that 5-HT1A and 5-HT2A receptors are altered in rat brain following chro

91 5-HT2A receptors are densely localized in the nucleus ac

92 n this study, we demonstrate that astroglial 5-HT2A receptors are linked to the mobilization of polyu

93 gy and localization by (i) establishing that 5-HT2A receptors are located postsynaptically and presyn

94 Thus, it is likely that 5-HT2A receptors are present on neuroendocrine cells in

95 roscopic immunocytochemical techniques, that 5-HT2A receptors are segregated from 5-HT3 receptors in

96 triple combination and high selectivity over 5-HT2A receptors are the differentiating features which

97 sponsible for this paradoxical regulation of 5-HT2A receptors are unknown.

98 5-Hydroxytryptamine 2A (5-HT2A) receptors are essential for the actions of serot

99 d to the suggestion that 5-HT2C, rather than 5-HT2A, receptors are primarily responsible for the effe

100 and nonconserved aromatic residues using the 5-HT2A receptor as a model system.

101 reduction of ligand binding to D1 and D2 and 5-HT2A receptors as well as loss of PDE10A enzyme in the

102 reduction of ligand binding to D1 and D2 and 5-HT2A receptors as well as loss of PDE10A enzyme in the

103 receptors (in particular, 5-HT3, alpha1, and 5-HT2A receptors), as the conformational flexibility of

104 rformed by using [18F]altanserin to evaluate 5-HT2A receptor binding in 11 elderly patients with depr

105 The authors investigated cortical 5-HT2A receptor binding in eight adults with Asperger's

106 Additionally, 5-HT2A receptor binding in the OFC of mid- and high-quin

107 rome had a significant reduction in cortical 5-HT2A receptor binding in the total, anterior, and post

108 rence region, was performed to calculate the 5-HT2A receptor binding indices (parameter for available

109 mportantly, we found that higher presurgical 5-HT2A receptor binding predicted greater weight loss af

110 that obese individuals have higher cerebral 5-HT2A receptor binding than lean individuals.

111 that neither 5-HT2C receptor activation nor 5-HT2A receptor blockade are sufficient to produce a the

112 ced cortical dopamine release by diminishing 5-HT2A receptor blockade.

113 een this side chain and indoleamines for the 5-HT2A receptor but not for the 5-HT2C receptor.

114 ecipitation studies revealed that the native 5-HT2A receptor, but not a mutant lacking the PDZ-bindin

115 Here, we report that down-regulation of the 5-HT2A receptor by intracerebroventricular injection of

116 ressant action, we manipulated levels of the 5-HT2A receptor by using a nonpharmacological approach.

117 st ketanserin, indicating that activation of 5-HT2A receptors by psilocybin profoundly modulates the

118 Bmax) and affinity (Kd) of platelet membrane 5-HT2A receptors by using [3H]lysergic acid diethylamide

119 tection of biased agonists for the serotonin 5-HT2A receptor can guide the discovery of safer and mor

120 I-R91150 or from a decreased affinity of the 5-HT2A receptor caused by ketamine remains to be elucida

121 clonal cell line stably transfected with the 5-HT2A receptor cDNA.

122 The distinct pontomedullary distribution of 5-HT2A receptors, combined with the known arousal-depend

123 tanserin, which have higher affinity for the 5-HT2A receptor, consistent with little contribution of

124 These data indicate that the serotonin 5-HT2A receptor contains two high affinity CaM-binding d

125 Dopamine D2 and serotonin 5-HT2A receptors contribute to modulate prefrontal corti

126 Mutation of this locus in the 5-HT2A receptor decreased the affinity of all indoleamin

127 Animals with 5-HT2A receptor deficiency showed less immobility in the

128 e mediodorsal thalamus (presynaptic site) of 5-HT2A receptor-deficient mice, but not in the PFC (post

129 ed significantly with a map of serotonin 2A (5-HT2A) receptor densities (the key site of action of ps

130 Although 5-HT2A receptor density (Bmax) in the uterine artery was

131 er's syndrome have abnormalities in cortical 5-HT2A receptor density and that this deficit may underl

132 However, cortical 5-HT2A receptor density in adults with the disorder has

133 rior in vivo studies to support a decline in 5-HT2A receptor density with aging.

134 d at 6 h may provide a reasonable measure of 5-HT2A receptor density.

135 al cortex, a trafficking event triggered via 5-HT2A-receptor-dependent downregulation of the NF-kappa

136 In contrast, the decline in the 5-HT2A receptor depolarization with increasing age was a

137 accompanied by alteration in the kinetics of 5-HT2A receptor desensitization but was associated with

138 efensive behavior, whereas MDL 11,939 blocks 5-HT2A receptors during social defeat to disrupt the dev

139 specifically, 11 is a potent agonist at the 5-HT2A receptor (EC50 = 28.6 nM, E(max) = 103%) that is

140 mulated calcium mobilization (EC50, 7 nM) in 5-HT2A receptor-expressing cells.

141 that pyramidal neurons constitute the major 5-HT2A-receptor-expressing cells in the cortex, and (iii

142 r of ARF, and the reciprocal mutation in the 5-HT2A receptor for 5-hydroxy-tryptamine reduced its sen

143 ine (DOI), suggesting that IL-6 can regulate 5-HT2A receptor function.

144 etween schizophrenia and this variant of the 5-HT2a-receptor gene in a large multicentre study.

145 as used to examine sequence variation of the 5-HT2a-receptor gene.

146 -HT2C or purinergic receptors, activation of 5-HT2A receptors had no effect on CHO/5-HT1B receptor fu

147 ry experiments indicated that GFP tagging of 5-HT2A receptors had no effect on either the binding aff

148 ncreased expression and activity of cortical 5-HT2A receptors has been associated with neuropsychiatr

149 Moreover, activity at D2 and 5-HT2A receptors has proven useful for antipsychotic eff

150 of the gene for 5-hydroxytryptamine type 2a (5-HT2a) receptor has been reported; the proportion of al

151 We conclude that prefrontal 5-HT2A receptors have a hitherto unrecognized role in th

152 Because 5-HT2A receptors have been localized on gamma-aminobutyr

153 le response results from a higher density of 5-HT2A receptors having the same properties as in non-pr

154 At 5-HT2A receptors, however, 8 and 9 were significantly le

155 )C-GSK215083 also exhibited affinity for the 5-HT2A receptor; however, given the differential localiz

156 5-HT2A receptor immunolabel was found in pyramidal cells

157 5-HT2A receptor immunoreactivity was detected in all cor

158 close to the intracellular end of H6 of the 5-HT2A receptor implicated glutamate Glu-318(6.30) in re

159 modulin (CaM) co-immunoprecipitates with the 5-HT2A receptor in NIH-3T3 fibroblasts in an agonist-dep

160 tural immunocytochemical localization of the 5-HT2A receptor in these subdivisions of rat VTA, to det

161 separate subjects, we evaluated the role of 5-HT2A receptors in cocaine-induced dopamine overflow in

162 Confocal laser microscopy of immunolabeled 5-HT2A receptors in control (untreated) cells demonstrat

163 ved in the density of [3H]ketanscrin-labeled 5-HT2A receptors in either brain region.

164 r indices and relative receptor occupancy of 5-HT2A receptors in frontal cortex and D2 receptors in b

165 s had micromolar affinity for the 5-HT1A and 5-HT2A receptors in rat brain homogenate.

166 are predominantly mediated by activation of 5-HT2A receptors in the hypothalamic paraventricular nuc

167 To confirm the presence of 5-HT2A receptors in the hypothalamic paraventricular nuc

168 Expressing 5-HT2A receptors in the mediodorsal thalamus (presynapti

169 These data suggest that 5-HT2A receptors in the NAcSh and CPu or in afferents to

170 These results also implicate 5-HT2A receptors in the postsynaptic activation of non-d

171 To determine the potential role of 5-HT2A receptors in these effects, we immunohistochemica

172 Our results suggest that 5-HT2A receptors in VTA are largely cytoplasmic and play

173 nt study determined whether the serotonin2A (5-HT2A) receptors in the hypothalamic paraventricular nu

174 te and enhance the activity of serotonin 2A (5-HT2A) receptors in the prefrontal cortex (PFCx).

175 eaction product following immunostaining for 5-HT2A receptors, indicating that large myelinated axons

176 vel roles for Arr-2 and Arr-3 independent of 5-HT2A receptor internalization and desensitization.

177 compartments distinct from those involved in 5-HT2A receptor internalization implies novel roles for

178 lts demonstrate that agonists rapidly induce 5-HT2A receptor internalization via the endosomal pathwa

179 iated with the inhibition of agonist-induced 5-HT2A receptor internalization.

180 which agonists induce 5-hydroxytryptamine2A (5-HT2A) receptor internalization was investigated in a c

181 by differential sorting of Arr-2, Arr-3, and 5-HT2A receptors into distinct plasma membrane and intra

182 These results indicate that the 5-HT2A receptor is coupled to the mobilization of PUFA.

183 These results suggest that the 5-HT2A receptor is differentially affected in late-life

184 psychological domains and that activation of 5-HT2A receptors is central in mood regulation and emoti

185 ion between transmembrane helices 3 and 6 of 5-HT2A receptors is essential for agonist-induced recept

186 ptamine for the 5-HT2C receptor than for the 5-HT2A receptors is not due to the difference at this lo

187 The 5-hydroxytryptamine2A (5-HT2A) receptor is a G(q/11)-coupled serotonin receptor

188 5-HT2A receptor label was also associated with axon term

189 area density of neuronal profiles containing 5-HT2A receptor labeling was not significantly different

190 ission computed tomography and the selective 5-HT2A receptor ligand 123I iodinated 4-amino-N-[1-[3-(4

191 However, other 5-HT2A receptor ligands like lysergic acid diethylamide

192 was synthesized as potential novel serotonin 5-HT2A receptor ligands that can be radiolabeled for in

193 nohistochemically mapped the distribution of 5-HT2A receptor-like protein in the rat pontomedullary b

194 siological evidence of a role of presynaptic 5-HT2A receptors located at thalamocortical synapses in

195 Specifically, activation of 5-HT2A receptors may induce a processing mode in which s

196 recent evidence suggests that activation of 5-HT2A receptors may lead to the formation of visual hal

197 marker to identify brain areas through which 5-HT2A receptors may modulate cocaine-induced behaviors.

198 tory for mitral cells (MCs) in the MOB where 5-HT2A receptors mediate a direct excitatory action.

199 elayed onset, more prolonged effect that was 5-HT2A receptor mediated.

200 Finally, we showed that CaM decreases 5-HT2A receptor-mediated [35S]GTPgammaS binding to NIH-3

201 ct on CHO/5-HT1B receptor function, although 5-HT2A receptor-mediated activation of PLA2 was measured

202 d agonist-induced up-regulation and enhanced 5-HT2A receptor-mediated calcium release.

203 y rhythms in the cortex, likely triggered by 5-HT2A receptor-mediated excitation of deep pyramidal ce

204 The association with PSD-95 enhanced 5-HT2A receptor-mediated signal transduction, a novel ac

205 iates with the 5-HT2A receptor and regulates 5-HT2A receptor-mediated signaling and trafficking in HE

206 potentials may be a key mechanism underlying 5-HT2A receptor-mediated visual hallucinations.

207 he pyramidal cell soma is the "hot spot" for 5-HT2A-receptor-mediated physiological actions relevant

208 by stress, raising the possibility that the 5-HT2A receptor mediates this effect.

209 Computational experiments with a 5-HT2A receptor model suggest that the same functional g

210 risk for antisocial behavior, the density of 5-HT2A receptors on platelets is inversely related to pa

211 ) target primarily dopamine D2 or serotonin (5-HT2A) receptors, or both; however, these medications a

212 Our findings suggest that the gene for 5-HT2a-receptor, or a locus in linkage disequilibrium wi

213 a putative role for CaM in the regulation of 5-HT2A receptor phosphorylation and desensitization.

214 within late-onset AD were genotyped for the 5-HT2A receptor polymorphism 102-T/C and the 5-HT2C rece

215 goal was to determine whether either of two 5-HT2A receptor polymorphisms, 102-T/C and 452-His/Tyr,

216 The 5-HT2A receptor possesses a canonical Type I PDZ-binding

217 stained with antibodies directed against the 5-HT2A receptor providing anatomical evidence that 5-HT

218 e) is the most effective at potentiating the 5-HT2A receptor response.

219 the present studies, the localization of the 5-HT2A receptors responsible for modulating PPI was inve

220 ore, an interaction between ketamine and the 5-HT2A receptors resulting in decreased binding of (123)

221 ysergic acid diethylamide (selective for the 5-HT2A receptor), reversed their relative affinity with

222 t the 5-HT2C receptor and antagonists at the 5-HT2A receptor show promise as potential treatments for

223 gonist-induced homologous desensitization of 5-HT2A receptor signaling as well as heterologous desens

224 The augmentation of 5-HT2A receptor signaling by PSD-95 was not accompanied

225 ivation of CB2 receptors, which up-regulates 5-HT2A receptor signaling, enhances GRK5 expression; the

226 e tested the hypothesis that IL-6 influences 5-HT2A receptor signaling, providing a potential mechani

227 L-6-induced JAK-STAT activation can regulate 5-HT2A receptor signaling.

228 Galpha11 and DOI-induced desensitization of 5-HT2A receptor signaling.

229 1 microM), a highly selective antagonist for 5-HT2A receptors, significantly decreased the DOI-stimul

230 using green fluorescent protein (GFP)-tagged 5-HT2A receptors (SR2-GFP).

231 animal model for studying alterations of the 5-HT2A receptor status with (123)I-5-I-R91150 micro-SPEC

232 These results suggest that 5-HT2A receptor stimulation increases basal cortical dop

233 er disentangle the specific contributions of 5-HT2A receptors, subjects were additionally pretreated

234 such compounds must be full agonists at the 5-HT2A receptor subtype.

235 determine if IL-6 specifically regulates the 5-HT2A receptor system, we measured IP production mediat

236 own to possess a relatively high affinity to 5-HT2A receptors, they may account for the purported eff

237 ors, 5-hydroxytryptamine (5-HT) binds to the 5-HT2A receptor through the interaction of its cationic

238 tatory responses in the MOB were mediated by 5-HT2A receptors through a direct activation.

239 s cortical region is densely innervated with 5-HT2A receptors to which atypical antipsychotic drugs b

240 lecular mechanism(s) by which 5-HT activates 5-HT2A receptors using a combination of approaches inclu

241 tion between platelet membrane serotonin 2A (5-HT2A) receptor variables in children and characteristi

242 ntly, the agonist-induced internalization of 5-HT2A receptors was accompanied by differential sorting

243 last line, stably transfected with the human 5-HT2A receptor, was treated with cis-UCA.

244 1A1 cell line, which expresses both IL-6 and 5-HT2A receptors, we found that IL-6 attenuates inositol

245 -pacemakers require endogenous activation of 5-HT2A receptors, we tested the hypothesis that 5-HT2A r

246 HO/5-HT1B receptor function was blocked when 5-HT2A receptors were activated simultaneously.

247 umin, and colocalization for parvalbumin and 5-HT2A receptors were done in rats.

248 Although 5-HT2A receptors were internalized, down-regulation, or

249 in the hypothalamic paraventricular nucleus, 5-HT2A receptors were mapped using immunohistochemistry.

250 Here we investigated whether 5-HT2A receptors were up-regulated during gestation and

251 unprecedented level of signaling bias at the 5-HT2A receptor, which could help interrogate the import

252 y a newly constructed molecular model of the 5-HT2A receptor, which was based on the x-ray structure

253 ]altanserin has been used to label serotonin 5-HT2A receptors, which are believed to be important in

254 dinated changes in the function of 5-HT7 and 5-HT2A receptors, which mediate different aspects of the

255 d rapid agonist-dependent internalization of 5-HT2A receptors, with significant internalization occur

256 These findings suggest that 5-HT2A receptors within the PVN modulate NPY's effect on

257 It is concluded that 5-HT2A receptors within the VP are important for the mod