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Erschienen in: The Journal of Headache and Pain 2/2008

Open Access 01.04.2008 | Letter to the Editor

Botulinum toxin type-A therapy in cluster headache: a novel molecular mechanism

verfasst von: Hamid Namazi

Erschienen in: The Journal of Headache and Pain | Ausgabe 2/2008

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Dear Editor,
I read with great interest the article by Sostak et al. [1].
This work shows that botulinum toxin markedly suppresses cluster headache. I would like to complete the discussion of Sostak et al. [1] by introducing a major route through which botulinum toxin could suppress cluster headache.
Interleukin-1 is a potent prototypical pro-inflammatory cytokine implicated in the pathogenesis of cluster headache [2, 3]. Therefore, as described below, the botulinum toxin minimizes headache by inactivating interleukin-1.
Bacteria produce many enzymes that show extraordinary specificity for mammalian intracellular proteins. The specificity of these bacterial enzymes has not only made them a valuable tool for elucidating the cellular functions of their targets but has also increased our understanding of protein interactions [4].Clostridium botulinum is no exception, producing two classes of enzymes that have very specific protein targets, neurotoxin A–G and the ADP-ribosyltransferases C2, C3 bot 1 and C3 bot 2 [4]. C2 and C3 bot are a part of a larger family of ADP-ribosylating toxins, including diphtheria toxin and cholera toxin, which cleave NAD and transfer ADP-ribose to target proteins. Although the members of this family have homologous enzymatic domains and similar active sites, these toxins ribosylate ADP and therefore, disable a range of cellular targets [4]. Rho family GTPases control the assembly of both cell–matrix and cell–cell adhesion complexes. IL-1 receptor signaling complex contains these G proteins, and Rho GTPase is an essential unit for the activation of IL-1 inflammatory pathway. C3 transferase exonzyme specifically inhibits Rho GTPase by ADP-ribosylation of amino acid asparagine-41 [5, 6].
Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License ( https://​creativecommons.​org/​licenses/​by-nc/​2.​0 ), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Literatur
2.
Zurück zum Zitat Martelletti P, Granata M, Giacovazzo M (1993) Serum interleukin-1 beta is increased in cluster headache. Cephalalgia 13(5):343–345CrossRefPubMed Martelletti P, Granata M, Giacovazzo M (1993) Serum interleukin-1 beta is increased in cluster headache. Cephalalgia 13(5):343–345CrossRefPubMed
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Zurück zum Zitat Martelletti P (2000) Proinflammatory pathways in cervicogenic headache. Clin Exp Rheumatol 18(2 Suppl 19):S33–38PubMed Martelletti P (2000) Proinflammatory pathways in cervicogenic headache. Clin Exp Rheumatol 18(2 Suppl 19):S33–38PubMed
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Zurück zum Zitat Holbourn KP, Sutton JM, Shore C et al (2005) Molecular recognition of an ADP-ribosy1 transferase; clostridium C3 exoenzyme. Proc Natl Acad Sci 102(15):5357–5362PubMedCentralCrossRefPubMed Holbourn KP, Sutton JM, Shore C et al (2005) Molecular recognition of an ADP-ribosy1 transferase; clostridium C3 exoenzyme. Proc Natl Acad Sci 102(15):5357–5362PubMedCentralCrossRefPubMed
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Zurück zum Zitat Harmey D, Stenbeck G, Nobes CD et al (2004) Regulation of osteoblast differentiation by pasteurella multocida toxin (PMT): a role for Rho GTPase in bone formation. J Bone Miner Res 19(4):661–667CrossRefPubMed Harmey D, Stenbeck G, Nobes CD et al (2004) Regulation of osteoblast differentiation by pasteurella multocida toxin (PMT): a role for Rho GTPase in bone formation. J Bone Miner Res 19(4):661–667CrossRefPubMed
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Zurück zum Zitat Singh R, Wang B, Shirraikar A, et al (1999) The IL-1 receptor and Rho directly associate to drive cell activation inflammation. J Clin Invest 103(11):1561–1570PubMedCentralCrossRefPubMed Singh R, Wang B, Shirraikar A, et al (1999) The IL-1 receptor and Rho directly associate to drive cell activation inflammation. J Clin Invest 103(11):1561–1570PubMedCentralCrossRefPubMed
Metadaten
Titel
Botulinum toxin type-A therapy in cluster headache: a novel molecular mechanism
verfasst von
Hamid Namazi
Publikationsdatum
01.04.2008
Verlag
Springer Milan
Erschienen in
The Journal of Headache and Pain / Ausgabe 2/2008
Print ISSN: 1129-2369
Elektronische ISSN: 1129-2377
DOI
https://doi.org/10.1007/s10194-008-0025-y

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