Magnoflorine
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''(S)-''Magnoflorine is a quaternary benzylisoquinoline alkaloid (BIA) of the aporphine structural subgroup which has been isolated from various species of the family
Menispermaceae Menispermaceae (botanical Latin: 'moonseed family' from Greek ''mene'' 'crescent moon' and ''sperma'' 'seed') is a family (biology), family of flowering plants. The alkaloid tubocurarine, a neuromuscular blocker and the active ingredient in the ...
, such as ''Pachygone ovata,'' '' Sinomenium acutum,'' and '' Cissampelos pareira.''   It was identified among the verified
anti-inflammatory Anti-inflammatory is the property of a substance or treatment that reduces inflammation, fever or swelling. Anti-inflammatory drugs, also called anti-inflammatories, make up about half of analgesics. These drugs reduce pain by inhibiting mechan ...
components in an extract of ''Sinomenii caulis'' and has been proposed to have other potential physiological effects, such as
sedative A sedative or tranquilliser is a substance that induces sedation by reducing irritability or Psychomotor agitation, excitement. They are central nervous system (CNS) Depressant, depressants and interact with brain activity, causing its decelera ...
and
anxiolytic An anxiolytic (; also antipanic or anti-anxiety agent) is a medication or other intervention that reduces anxiety. This effect is in contrast to anxiogenic agents which increase anxiety. Anxiolytic medications are used for the treatment of anxie ...
, reduction of erythrocyte
hemolysis Hemolysis or haemolysis (), also known by #Nomenclature, several other names, is the rupturing (lysis) of red blood cells (erythrocytes) and the release of their contents (cytoplasm) into surrounding fluid (e.g. blood plasma). Hemolysis may ...
, antifungal activity, improvement of LPS-induced acute lung injury, and protection against muscle atrophy. Furthermore, magnoflorine has been identified to be an inhibitor of
NF-κB Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) is a family of transcription factor protein complexes that controls transcription (genetics), transcription of DNA, cytokine production and cell survival. NF-κB is found i ...
activation and to be an
agonist An agonist is a chemical that activates a Receptor (biochemistry), receptor to produce a biological response. Receptors are Cell (biology), cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an R ...
at the β2 -adrenergic receptor. ''(S)-''Magnoflorine is metabolically derived from ''(S)-''reticuline, a pivotal intermediate in the biosynthesis of numerous BIA structural subgroups, through two enzymatic steps: first, ''(S)-''corytuberine synthase/CYP80G2 to ''(S)-''corytuberine, and secondly, ''(S)-''corytuberine-''N''-methyltransferase to ''(S)-''magnoflorine.


References

Aporphine alkaloids Quaternary ammonium compounds {{alkaloid-stub