Geranylgeranyl diphosphate depletion inhibits breast cancer cell migration

Amel Dudakovic, Huaxiang Tong, Raymond Hohl

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The objective of this study was to determine whether geranylgeranyl diphosphate synthase inhibition, and therefore geranylgeranyl diphosphate depletion, interferes with breast cancer cell migration. Digeranyl bisphosphonate is a specific geranylgeranyl diphosphate synthase inhibitor. We demonstrate that digeranyl bisphosphonate depleted geranylgeranyl diphosphate and inhibited protein geranyl-geranylation in MDA-MB-231 cells. Similar to GGTI-286, a GGTase I inhibitor, digeranyl bisphosphate significantly inhibited migration of MDA-MB-231 cells as measured by transwell assay. Similarly, digeranyl bisphosphonate reduced motility of MDA-MB-231 cells in a time-dependent manner as measured by large scale digital cell analysis system microscopy. Digeranyl bisphosphonate was mildly toxic and did not induce apoptosis. Treatment of MDA-MB-231 cells with digeranyl bisphosphonate decreased membrane while it increased cytosolic RhoA localization. In addition, digeranyl bisphosphonate increased RhoA GTP binding in MDA-MB-231 cells. The specificity of geranyl-geranyl diphosphonate synthase inhibition by digeranyl bisphosphonate was confirmed by exogenous addition of geranylgeranyl diphosphate. Geranylgeranyl diphosphate addition prevented the effects of digeranyl bisphosphonate on migration, RhoA localization, and GTP binding to RhoA in MDA-MB-231 cells. These studies suggest that gera-nylgeranyl diphosphate synthase inhibitors are a novel approach to interfere with cancer cell migration.

Original languageEnglish (US)
Pages (from-to)912-920
Number of pages9
JournalInvestigational New Drugs
Volume29
Issue number5
DOIs
StatePublished - Oct 1 2011

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Cell Movement
Breast Neoplasms
Farnesyltranstransferase
Guanosine Triphosphate
geranylgeranyl pyrophosphate
digeranyl bisphosphonate
Diphosphates
Poisons
Diphosphonates
Microscopy
Apoptosis
Membranes
Neoplasms
Proteins

All Science Journal Classification (ASJC) codes

  • Oncology
  • Pharmacology
  • Pharmacology (medical)

Cite this

Dudakovic, Amel ; Tong, Huaxiang ; Hohl, Raymond. / Geranylgeranyl diphosphate depletion inhibits breast cancer cell migration. In: Investigational New Drugs. 2011 ; Vol. 29, No. 5. pp. 912-920.
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Geranylgeranyl diphosphate depletion inhibits breast cancer cell migration. / Dudakovic, Amel; Tong, Huaxiang; Hohl, Raymond.

In: Investigational New Drugs, Vol. 29, No. 5, 01.10.2011, p. 912-920.

Research output: Contribution to journalArticle

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