Details of Drug-Drug Interaction
| Drug General Information (ID: DDI8CLEBW1) | |||||||||
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| Drug Name | Selegiline | Drug Info | Tetryzoline (nasal) | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Dopaminergic Antiparkinsonism Agents/Mao Inhibitors | Alpha-Adrenergic Agonists | |||||||
| Structure | |||||||||
| Mechanism of Selegiline-Tetryzoline (nasal) Interaction (Severity Level: Major) | |||||||||
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| Additive hypertensive effects Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Selegiline | Tetryzoline (nasal) | |||||||
| Mechanism |
Hypertensive effects Monoamine oxidase-B selective Inhibitor |
Hypertensive effects Alpha-1 adrenergic receptor Agonist |
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| Key Mechanism Factor 1 | |||||||||
| Factor Name | Monoamine oxidase type B |
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Structure
Sequence
MSNKCDVVVVGGGISGMAAAKLLHDSGLNVVVLEARDRVGGRTYTLRNQKVKYVDLGGSYVGPTQNRILRLAKELGLETYKVNEVERLIHHVKGKSYPFRGPFPPVWNPITYLDHNNFWRTMDDMGREIPSDAPWKAPLAEEWDNMTMKELLDKLCWTESAKQLATLFVNLCVTAETHEVSALWFLWYVKQCGGTTRIISTTNGGQERKFVGGSGQVSERIMDLLGDRVKLERPVIYIDQTRENVLVETLNHEMYEAKYVISAIPPTLGMKIHFNPPLPMMRNQMITRVPLGSVIKCIVYYKEPFWRKKDYCGTMIIDGEEAPVAYTLDDTKPEGNYAAIMGFILAHKARKLARLTKEERLKKLCELYAKVLGSLEALEPVHYEEKNWCEEQYSGGCYTTYFPPGILTQYGRVLRQPVDRIYFAGTETATHWSGYMEGAVEAGERAAREILHAMGKIPEDEIWQSEPESVDVPAQPITTTFLERHLPSVPGLLRLIGLTTIFSATALGFLAHKRGLLVRV
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| Gene Name | MAOB | ||||||||
| Uniprot ID | AOFB_HUMAN | ||||||||
| KEGG Pathway | hsa:4129 | ||||||||
| Protein Family | Flavin monoamine oxidase family | ||||||||
| Protein Function |
Catalyzes the oxidative deamination of primary and some secondary amines such as neurotransmitters, and exogenous amines including the tertiary amine, neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), with concomitant reduction of oxygen to hydrogen peroxide and participates in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues (PubMed:11134050, PubMed:8665924, PubMed:8316221, PubMed:11049757, PubMed:20493079). Preferentially degrades benzylamine and phenylethylamine (PubMed:11134050, PubMed:8665924, PubMed:8316221, PubMed:11049757, PubMed:20493079).
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| Key Mechanism Factor 2 | |||||||||
| Factor Name | Adrenergic receptor alpha-1 | Structure Sequence | |||||||
| Protein Family | G-protein coupled receptor 1 family | ||||||||
| Protein Function |
This alpha-adrenergic receptor mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. Its effect is mediated by G(q) and G(11) proteins. Nuclear ADRA1A-ADRA1B heterooligomers regulate phenylephrine(PE)-stimulated ERK signaling in cardiac myocytes.
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| Mechanism Description |
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| Recommended Action | |||||||||
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| Management | Concomitant use of tetrahydrozoline nasal formulations with MAOIs or other agents that possess MAOI activity (e.g., furazolidone, linezolid, methylene blue, procarbazine) is considered contraindicated by the manufacturers. | ||||||||