CAPE (Caffeic acid phenethyl ester)-based propolis extract (Bio 30) suppresses the growth of human neurofibromatosis (NF) tumor xenografts in mice

M. Demestre, Shanta Messerli, N. Celli, M. Shahhossini, L. Kluwe, V. Mautner, H. Maruta

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Dysfunction of the NF1 gene coding a RAS GAP is the major cause of neurofibromatosis type 1 (NF1), whereas neurofibromatosis type 2 (NF2) is caused primarily by dysfunction of the NF2 gene product called merlin that inhibits directly PAK1, an oncogenic Rac/CDC42-dependent Ser/Thr kinase. It was demonstrated previously that PAK1 is essential for the growth of both NF1 and NF2 tumors. Thus, several anti-PAK1 drugs, including FK228 and CEP-1347, are being developed for the treatment of NF tumors. However, so far no effective NF therapeutic is available on the market. Since propolis, a very safe healthcare product from bee hives, contains anticancer ingredients called CAPE (caffeic acid phenethyl ester) or ARC (artepillin C), depending on the source, both of which block the oncogenic PAK1 signaling pathways, its potential therapeutic effect on NF tumors was explored in vivo. Here it is demonstrated that Bio 30, a CAPE-rich water-miscible extract of New Zealand (NZ) propolis suppressed completely the growth of a human NF1 cancer called MPNST (malignant peripheral nerve sheath tumor) and caused an almost complete regression of human NF2 tumor (Schwannoma), both grafted in nude mice. Although CAPE alone has never been used clinically, due to its poor bioavailability/water-solubility, Bio 30 contains plenty of lipids which solubilize CAPE, and also includes several other anticancer ingredients that seem to act synergistically with CAPE. Thus, it would be worth testing clinically to see if Bio 30 and other CAPE-rich propolis are useful for the treatment of NF patients.

Original languageEnglish (US)
Pages (from-to)226-230
Number of pages5
JournalPhytotherapy Research
Volume23
Issue number2
DOIs
StatePublished - Feb 1 2009

Fingerprint

Propolis
Neurofibromatoses
Neurofibromatosis 1
Heterografts
Neurofibromatosis 2
Growth
Neurofibromin 2
Neoplasms
Neurilemmoma
Neurofibromatosis 1 Genes
Water
Bees
Urticaria
Therapeutic Uses
New Zealand
Nude Mice
Solubility
Biological Availability
caffeic acid phenethyl ester
Phosphotransferases

Keywords

  • AIDS
  • Bio 30
  • CAPE
  • Fragile x syndrome
  • MM
  • NF1
  • NF2
  • Neurofibromatosis
  • Propolis

ASJC Scopus subject areas

  • Pharmacology

Cite this

CAPE (Caffeic acid phenethyl ester)-based propolis extract (Bio 30) suppresses the growth of human neurofibromatosis (NF) tumor xenografts in mice. / Demestre, M.; Messerli, Shanta; Celli, N.; Shahhossini, M.; Kluwe, L.; Mautner, V.; Maruta, H.

In: Phytotherapy Research, Vol. 23, No. 2, 01.02.2009, p. 226-230.

Research output: Contribution to journalArticle

Demestre, M. ; Messerli, Shanta ; Celli, N. ; Shahhossini, M. ; Kluwe, L. ; Mautner, V. ; Maruta, H. / CAPE (Caffeic acid phenethyl ester)-based propolis extract (Bio 30) suppresses the growth of human neurofibromatosis (NF) tumor xenografts in mice. In: Phytotherapy Research. 2009 ; Vol. 23, No. 2. pp. 226-230.
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AU - Maruta, H.

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