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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:4046 term browser browse the term
Definition:The product resulting from the formal oxidative coupling of position 5 of 5H-dibenzo[a,d]cycloheptene with position 4 of 1-methylpiperidine resulting in the formation of a double bond between the two fragments. It is a sedating antihistamine with antimuscarinic and calcium-channel blocking actions. It is used (particularly as the hydrochloride sesquihydrate) for the relief of allergic conditions including rhinitis, conjunctivitis due to inhalant allergens and foods, urticaria and angioedema, and in pruritic skin disorders. Unlike other antihistamines, it is also a seratonin receptor antagonist, making it useful in conditions such as vascular headache and anorexia.
Synonyms:exact_synonym: 4-(5H-dibenzo[a,d][7]annulen-5-ylidene)-1-methylpiperidine
 related_synonym: 1-Methyl-4-(5H-dibenzo(a,d)cycloheptenylidene)piperidine;   1-methyl-4-(5-dibenzo(a,e)cycloheptatrienylidene)piperidine;   4-(5-dibenzo(a,d)cyclohepten-5-ylidine)-1-methylpiperidine;   4-(5H-dibenzo(a,d)cyclohepten-5-ylidene)-1-methylpiperidine;   4-Dibenzo[a,d]cyclohepten-5-ylidene-1-methyl-piperidine;   5-(1-methylpiperidylidene-4)-5H-dibenzo(a,d)cyclopheptene;   Formula=C21H21N;   InChI=1S/C21H21N/c1-22-14-12-18(13-15-22)21-19-8-4-2-6-16(19)10-11-17-7-3-5-9-20(17)21/h2-11H,12-15H2,1H3;   InChIKey=JJCFRYNCJDLXIK-UHFFFAOYSA-N;   SMILES=CN1CCC(CC1)=C1c2ccccc2C=Cc2ccccc12;   ciproheptadina;   cyproheptadinum
 alt_id: CHEBI:111005;   CHEBI:605605
 xref: Beilstein:1348386;   CAS:129-03-3;   DrugBank:DB00434;   Drug_Central:765;   KEGG:C06935;   KEGG:D07765;   LINCS:LSM-5419
 xref_mesh: MESH:D003533
 xref: PMID:10843226;   Patent:US3014911;   Wikipedia:Cyproheptadine

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cyproheptadine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Gh1 growth hormone 1 increases expression ISO Cyproheptadine results in increased expression of GH1 protein CTD PMID:642945 NCBI chr10:94,486,204...94,488,181
Ensembl chr10:94,486,205...94,488,180
JBrowse link
G Htr2a 5-hydroxytryptamine receptor 2A multiple interactions ISO Cyproheptadine binds to and results in decreased activity of HTR2A protein CTD PMID:17031071 NCBI chr15:56,666,152...56,732,469
Ensembl chr15:56,666,012...56,735,382
JBrowse link
G Htr7 5-hydroxytryptamine receptor 7 affects binding
multiple interactions
ISO Cyproheptadine binds to HTR7 protein
Cyproheptadine inhibits the reaction [Risperidone binds to and results in decreased activity of HTR7 protein]
CTD PMID:20827463 NCBI chr 1:254,547,964...254,671,811
Ensembl chr 1:254,547,620...254,671,778
JBrowse link
G Kcnn2 potassium calcium-activated channel subfamily N member 2 decreases activity EXP Cyproheptadine results in decreased activity of KCNN2 protein CTD PMID:10915830 NCBI chr18:39,331,894...39,479,574
Ensembl chr18:39,335,377...39,479,257
JBrowse link
G Pomc proopiomelanocortin decreases secretion ISO Cyproheptadine results in decreased secretion of POMC protein CTD PMID:642945 NCBI chr 6:28,382,937...28,388,771
Ensembl chr 6:28,382,962...28,388,967
JBrowse link
G Prl prolactin decreases secretion ISO Cyproheptadine results in decreased secretion of PRL protein CTD PMID:642945 NCBI chr17:39,814,236...39,824,299
Ensembl chr17:39,814,244...39,824,299
JBrowse link
G Slc22a2 solute carrier family 22 member 2 multiple interactions ISO Cyproheptadine inhibits the reaction [SLC22A2 protein results in increased uptake of 4-(4-dimethylaminostyryl)-1-methylpyridinium] CTD PMID:21599003 NCBI chr 1:48,318,025...48,360,219
Ensembl chr 1:48,317,995...48,360,261
JBrowse link
G Slc22a5 solute carrier family 22 member 5 multiple interactions ISO Cyproheptadine affects the reaction [SLC22A5 gene mutant form affects the transport of and affects the abundance of Pyrilamine] CTD PMID:19821448 NCBI chr10:39,201,101...39,228,090
Ensembl chr10:39,201,107...39,323,853
JBrowse link

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  CHEBI ontology 19785
    role 19732
      application 19391
        pharmaceutical 19272
          drug 19272
            anti-allergic agent 3794
              cyproheptadine 8
                cyproheptadine hydrochloride (anhydrous) + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19785
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    main group molecular entity 19670
                      s-block molecular entity 19428
                        hydrogen molecular entity 19418
                          hydrides 18685
                            inorganic hydride 17409
                              pnictogen hydride 17381
                                nitrogen hydride 17223
                                  azane 16940
                                    ammonia 16939
                                      organic amino compound 16938
                                        tertiary amino compound 8629
                                          tertiary amine 616
                                            cyproheptadine 8
                                              cyproheptadine hydrochloride (anhydrous) + 0
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