Summary

Name HTR2A
Full Name 5-hydroxytryptamine receptor 2A
Synonyms 5-HT-2, 5-HT-2A, Serotonin receptor 2A | HTR2
Primary ID P28223
Links - -
Type protein
Relations 20
Inhibitors 8-[4,4-bis(4-fluorophenyl)butyl]-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one; clozapine; paliperidone; haloperidol; lurasidone; risperidone; zotepine; ziprasidone; olanzapine; pipamperone; sertindole
Function G-protein coupled receptor for 5-hydroxytryptamine (serotonin) (PubMed:1330647, PubMed:18703043, PubMed:19057895). Also functions as a receptor for various drugs and psychoactive substances, including mescaline, psilocybin, 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) and lysergic acid diethylamide (LSD) (PubMed:28129538). Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors (PubMed:28129538). Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways (PubMed:28129538). Signaling activates phospholipase C and a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and promotes the release of Ca(2+) ions from intracellular stores (PubMed:18703043, PubMed:28129538). Affects neural activity, perception, cognition and mood (PubMed:18297054). Plays a role in the regulation of behavior, including responses to anxiogenic situations and psychoactive substances. Plays a role in intestinal smooth muscle contraction, and may play a role in arterial vasoconstriction.

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Relations

Regulator Mechanism target score
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png chemical activation HTR2A 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png chemical activation HTR2A 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
Tissue: L-929 Cell
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 2 Organism: Cricetulus Longicaudatus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png chemical activation HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png binding GNAQ 0.587
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png binding GNAI1 0.355
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNA14 0.419
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAZ 0.319
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2A 0.8
Publications: 1 Organism: Mus Musculus