5-HT1 Receptor
5-HT1 receptors are serotonin-activated GPCRs within the 5-HT receptor family, excluding ionotropic 5-HT3 receptors[1]. Mechanistically, 5-HT1D receptors inhibit glutamate release, while 5-HT1A receptors inhibit NMDA/AMPA-linked cGMP responses in rat cerebellum[2]. In antidepressant research, presynaptic 5-HT1A and 5-HT1B autoreceptors reduce serotonergic function, whereas postsynaptic 5-HT1A stimulation appears beneficial[3]. Compared with related isoforms, 5-HT1A, 5-HT1B, 5-HT1D, and 5-HT1F share high sequence homology, which complicates subtype-specific ligand design[4]. For experimental applications, 2-aminotetralin-type agonists showed high affinity and subtype-dependent efficacy across 5-HT1 receptors, supporting selective ligand discovery[4].
References:
- [1]. Barnes NM, et al. International Union of Basic and Clinical Pharmacology. CX. Classification of Receptors for 5-hydroxytryptamine; Pharmacology and Function. Pharmacol Rev. 2021 Jan;73(1):310-520. [Content Brief]
- [2]. Maura G, et al. Serotonin 5-HT1D and 5-HT1A receptors respectively mediate inhibition of glutamate release and inhibition of cyclic GMP production in rat cerebellum in vitro. J Neurochem. 1996 Jan;66(1):203-9. [Content Brief]
- [3]. Artigas F. Serotonin receptors involved in antidepressant effects. Pharmacol Ther. 2013 Jan;137(1):119-31. doi: 10.1016/j.pharmthera.2012.09.006. Epub 2012 Sep 26. PMID: 23022360. et al. Serotonin receptors involved in antidepressant effects. Pharmacol Ther. 2013 Jan;137(1):119-31. [Content Brief]
- [4]. McGlynn RP, et al. Development of 2-Aminotetralin-Type Serotonin 5-HT1 Agonists: Molecular Determinants for Selective Binding and Signaling at 5-HT1A , 5-HT1B , 5-HT1D , and 5-HT1F Receptors. ACS Chem Neurosci. 2024 Jan 17;15(2):357-370. [Content Brief]
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5-HT1 Receptor Related Products (454)
Related Products (454)
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RU 24969
0 ImagesRU 24969 is a preferential 5-HT1B agonist, with a Ki of 0.38 nM, but also displays appreciable affinity for the 5-HT1A receptor (Ki=2.5 nM), and has low affinity for other receptor sites in the brain. RU 24969 could decrease fluid consumption and increase forward locomotion.
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CP94253 hydrochloride
0 ImagesCP94253 hydrochloride is an orally active, brain-penetrant and selective 5-HT1B receptor agonist with an Ki of 2 nM. CP94253 hydrochloride induces antidepressant-like effects, waking enhancement, sleep inhibition, increased sleep latency, hyperlocomotion, and suppressed aggressive behavior. CP94253 hydrochloride can be used for the research of depression and heightened aggressive behavior.
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Flibanserin hydrochloride (propan-2-ol) hydrate
0 ImagesCat. No.: HY-A0095APurity: 99.04%Synonyms: BIMT-17 hydrochloride (propan-2-ol) hydrate; BIMT-17BS hydrochloride (propan-2-ol) hydrateFlibanserin (BIMT-17) hydrochloride (propan-2-ol) hydrate is an orally active serotonin 5-HT1A receptor agonist and 5-HT2A receptor antagonist with Ki values of 1 nM and 49 nM, respectively. Flibanserin hydrochloride (propan-2-ol) hydrate binds to dopamine D4 receptors with an Ki value of 4-24 nM. Flibanserin hydrochloride (propan-2-ol) hydrate shows anti-depression and anti-anxiety effect, can be used to hypoactive sexual desire disorder (HSDD) research-.
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LY 344864
0 ImagesLY 344864 is a selective, orally active 5-HT1F receptor agonist with a Ki of 6 nM. LY 344864 is a full agonist producing an effect similar in magnitude to serotonin itself. LY 344864 can cross the blood brain barrier to some extent.
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Tandospirone
0 ImagesSynonyms: SM-3997Tandospirone (SM-3997) is a potent and selective 5-HT1A receptor partial agonist, with a Ki of 27 nM. Tandospirone has anxiolytic and antidepressant activities. Tandospirone can be used for the research of the central nervous system disorders and the underlying mechanisms.
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Eletriptan hydrobromide
0 ImagesSynonyms: Eletriptan HBr; UK-116044 hydrobromideEletriptan hydrobromide (Eletriptan HBr) is a 5-HT1B and 5-HT1D receptor agonist with antimigraine activity, with Ki of 0.92 nM and 3.14 nM, respectively.
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SB-277011 hydrochloride
0 ImagesSynonyms: SB-277011A hydrochlorideSB-277011 hydrochloride (SB-277011A hydrochloride) is a potent, selective, orally bioavailable and brain penetrate dopamine D3 receptor (D3R) antagonist with Ki values of 10.7 nM and 11.2 nM at rodent and human D3R, respectively. SB-277011 hydrochloride displays 80- to 100-fold selectivity over other dopamine receptors with pKis of 8.0, 6.0, <5.2, and 5.9 for D3, D2, 5-HT1B, and 5-HT1D receptors, respectively.
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Dehydroaripiprazole
0 ImagesSynonyms: OPC-14857; DM-14857Dehydroaripiprazole (OPC-14857) is an active metabolite of Aripiprazole (HY-14546) and dopamine D2/D3 receptor partial agonist. Dehydroaripiprazole also has certain affinity for serotonin 5-HT1A, 5-HT2A and 5-HT2B receptors. Dehydroaripiprazole has antipsychotic activity equivalent to Aripiprazole.
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Vabicaserin hydrochloride
0 ImagesSynonyms: SCA-136Vabicaserin hydrochloride (SCA-136) is a brain-penetrant, orally active, and selective 5-HT2C receptor agonist (Ki = 3 nM; EC50 = 8 nM). Vabicaserin hydrochloride specifically activates Gq-coupled 5-HT2C receptors to promote calcium mobilization, thereby selectively reducing dopamine release in the mesolimbic system without affecting the nigrostriatal pathway. Vabicaserin hydrochloride is an antagonist of 5-HT2A/5-HT2B receptors. Vabicaserin hydrochloride can be used for research on schizophrenia, obesity, chronic pain, and neurodegenerative diseases (such as Machado-Joseph disease).
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BRL 54443
0 ImagesBRL 54443 is a potent 5-HT1E/1F receptor agonist (Ki values are 1.1 nM and 0.7 nM respectively); displays > 30-fold selectivity over other 5-HT and dopamine receptors.
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GR127935 hydrochloride
0 ImagesGR127935 hydrochloride is a selective and orally active 5-HT1D and 5-HT1B receptor antagonist with pKi values of 8.5 for both receptors. GR127935 hydrochloride impairs memory acquisition and Serotonin (HY-B1473A)-mediated vasodilation. GR127935 hydrochloride can be used for research on amnesia, neuroendocrine cancer, and migraine.
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Lurasidone Hydrochloride
0 ImagesSynonyms: SM-13496 HydrochlorideLurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.
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Norquetiapine
0 ImagesSynonyms: N-DesalkylquetiapineNorquetiapine ( N-Desalkylauetiapine), a metabolite of Quetiapine (HY-14544), is a selective HCN1 channel inhibitor, with an IC50 of 13.9 μM. Norquetiapine selectively inhibits noradrenaline reuptake, is a partial 5-HT1A (Ki = 45 nM) receptor agonist, and acts as an antagonist at presynapticα2 (Ki = 237 nM), 5-HT2C(Ki = 107 nM), and 5-HT7 (Ki = 76 nM) receptors. Norquetiapine blocks the human cardiac sodium channel Nav1.5 in a state-dependent manner. Norquetiapine shows partial anti-inflammatory effects in LPS (HY-D1056) injected C57BL/6 mice. Norquetiapine can be used for the study of depression and inflammation.
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F-15599
0 ImagesSynonyms: NLX-101F-15599 is a highly selective G-protein biased 5-HT1A receptor agonist, with Ki of 3.4 nM.
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NAN-190 hydrobromide
0 ImagesNAN-190 hydrobromide is a serotonin receptor 5-HT antagonist. NAN-190 is a selective antagonist of 5-HT1A.
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Perospirone
0 ImagesSynonyms: SM-9018 free basePerospirone (SM-9018 free base) is an orally active antagonist of 5-HT2A receptor (Ki=0.6 nM) and dopamine D2 receptor (Ki=1.4 nM), and also a partial agonist of 5-HT1A receptor (Ki=2.9 nM). Perospirone is an atypical antipsychotic agent and has the potential for schizophrenic disease research.
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Arotinolol
0 ImagesArotinolol is a nonselective α/β-adrenergic receptor blocker and a vasodilating β-blocker. Arotinolol also shows potency for inhibiting the binding of the radioligand 125I-ICYP to 5HT1B-serotonergic receptor sites. Arotinolol is an antihypertensive agent for the treatment of a variety of cardiovascular pathologies as well as non-cardiovascular diseases.
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Ziprasidone hydrochloride monohydrate
0 ImagesSynonyms: CP 88059 hydrochloride monohydrateZiprasidone (CP-88059) hydrochloride monohydrate is an orally active combined 5-HT and dopamine receptor antagonist. Ziprasidone hydrochloride monohydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).
