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Planta Med 2012; 78(3): 233-236
DOI: 10.1055/s-0031-1280385
Biological and Pharmacological Activity
Letters
© Georg Thieme Verlag KG Stuttgart · New York

SNARE-Wedging Polyphenols as Small Molecular Botox

Yoosoo Yang1 [*] , Jin Kyu Choi2 [*] , Chang Hwa Jung3 , Hyun Ju Koh2 , Paul Heo1 , Jae Yoon Shin1 , Sehyun Kim1 , Won-Seok Park2 , Hong-Ju Shin2 , Dae-Hyuk Kweon1
  • 1School of Life Science and Biotechnology and Center for Human Interface Nano Technology, Sungkyunkwan University, Gyeonggi-do, Korea
  • 2Amorepacific R & D Center, Yongin, Korea
  • 3Korea Food Research Institute, Seongnam, Korea
Further Information

Publication History

received September 6, 2011 revised October 31, 2011

accepted November 2, 2011

Publication Date:
22 November 2011 (online)

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Abstract

Most cosmetic and therapeutic applications of Clostridium botulinum neurotoxin (BoNT) are related to muscle paralysis caused by the blocking of neurotransmitter release at the neuromuscular junction. BoNT specifically cleaves SNARE proteins at the nerve terminal and impairs neuroexocytosis. Recently, we have shown that several polyphenols inhibit neurotransmitter release from neuronal PC12 cells by interfering with SNARE complex formation. Based on our previous result, we report here that myricetin, delphinidin, and cyanidin indeed paralyze muscle by inhibiting acetylcholine release at the neuromuscular junction. While the effect of myricetin on muscle paralysis was modest compared to BoNT/A, myricetin exhibited a shorter response time than BoNT/A. Intraperitoneally-injected myricetin at an extreme dose of 1000 mg/kg did not induce death of mice, alleviating the safety issue. Thus, these polyphenols might be useful in treating various human hypersecretion diseases for which BoNT/A has been the only option of choice.

Key words

SNARE - small molecule polyphenol - acetylcholine - muscle paralysis - myricetin

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1 These authors made equal contributions to this work.

Dae-Hyuk Kweon

Department of Genetic Engineering
School of Biotechnology and Bioengineering
Sungkyunkwan University

Suwon

Gyeonggi-do 440-746

South Korea

Phone: +82 3 12 90 78 69

Fax: +82 3 12 90 78 70

Email: dhkweon@skku.edu