J Cosmet Dermatol. 2008 Sep;7(3):221-5.

Molecular biology of botulinum neurotoxin serotype A: a cosmetic perspective.

Source

Kaya Skin Clinic, Dubai, United Arab Emirates. admin@dermatologist.co.in

Abstract

Cosmetic use of botulinum neurotoxin serotype A (BoNT/A) involves low doses of toxin administered for facial wrinkles and hyperhidrosis. The structural and functional properties of BoNT/A can affect the degree and duration of effect. Actively using the injected muscle is favorable as it exposes more receptors to BoNT/A. Divided doses of BoNT/A at an interval of more than 3 days may be longer lasting than single dose by blocking nascent neuronal sprouts. Antibodies are unlikely to be effective in BoNT/A neutralization because of the large area of receptor interaction. Several commonly used drugs including zinc and chloroquine can interact with BoNT/A, necessitating dosage adjustment for optimum effect. Serotype E (BoNT/E) can emerge as an antidote for BoNT/A for cosmetic use.

PMID:: 18789058; [PubMed - indexed for MEDLINE]

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