The vanadyl chelate bis(acetylacetonato)oxovanadium(iv) increases the fractional uptake of 2-(fluorine-18)-2-deoxy-d-glucose by cultured human breast carcinoma cells

Marvin W. Makinen, Ravinder Bamba, Lynda Ikejimba, Christian Wietholt, Chin Tu Chen, Suzanne D. Conzen

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Detection of breast cancer by positron emission tomography (PET) imaging with 2-(fluorine-18)-2-deoxy-d-glucose (FDG) as the tracer molecule is limited in part by both tumor dimension and metabolic activity. While some types of aggressive breast cancers are associated with a high capacity for FDG uptake, more indolent breast cancers are characterized by low FDG uptake. Moreover, detection of malignant lesions in most clinical settings requires tumor dimensions ≥10 mm. Development of a method to increase the fractional uptake of FDG by cancer tissue would provide a means to detect smaller tumors. However, there is no clinically available pharmacologic reagent known to enhance the preferential uptake of FDG by cancer tissue. Because the vanadyl (VO 2+) chelate bis(acetylacetonato)oxovanadium(iv) [VO(acac) 2] is known to enhance cellular uptake of glucose, we have investigated whether VO(acac)2 facilitates enhanced uptake of FDG by cultured human breast carcinoma cells. We observed that the fractional uptake of FDG by cultured human MDA-MB-231 carcinoma cells is increased in the presence of VO(acac)2 in a dose dependent manner. Preliminary results with xenograft tumors generated in severely compromised, immunodeficient (SCID) female mice showed that VO(acac)2 treatment of mice 3-4 h prior to FDG injection enhanced FDG uptake by the malignant tissue by a factor >2.0 compared with that by normal surrounding tissue.

Original languageEnglish (US)
Pages (from-to)11862-11867
Number of pages6
JournalDalton Transactions
Volume42
Issue number33
DOIs
StatePublished - Jan 1 2013
Externally publishedYes

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Vanadates
Fluorine
Tumors
Cells
Tissue
Glucose
Positron emission tomography
Heterografts
Imaging techniques
Molecules
bis(acetylacetonato)oxovanadium(IV)

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

The vanadyl chelate bis(acetylacetonato)oxovanadium(iv) increases the fractional uptake of 2-(fluorine-18)-2-deoxy-d-glucose by cultured human breast carcinoma cells. / Makinen, Marvin W.; Bamba, Ravinder; Ikejimba, Lynda; Wietholt, Christian; Chen, Chin Tu; Conzen, Suzanne D.

In: Dalton Transactions, Vol. 42, No. 33, 01.01.2013, p. 11862-11867.

Research output: Contribution to journalArticle

Makinen, Marvin W. ; Bamba, Ravinder ; Ikejimba, Lynda ; Wietholt, Christian ; Chen, Chin Tu ; Conzen, Suzanne D. / The vanadyl chelate bis(acetylacetonato)oxovanadium(iv) increases the fractional uptake of 2-(fluorine-18)-2-deoxy-d-glucose by cultured human breast carcinoma cells. In: Dalton Transactions. 2013 ; Vol. 42, No. 33. pp. 11862-11867.
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