Enhanced Growth-inhibitory Effect of Microemulsified Curcumin Formulation in Human Prostate Cancer LNCaP Cells

Vaibhav Dubey, Richard KO Apenten

Research output: Contribution to journalArticle

Abstract

Aim: To assess the effect of curcumin microemulsified with non-ionic surfactant surfynol 465 W or dispersed using edible oils on prostate LNCaP cancer cell viability and glutathione status.Methodology: LNCaP cells were treated for 72-144 hr with curcumin dissolved with fish or corn oil and microemulsified using non-ionic surfactant surfynol 465 W; alternatively LNCaP cells were treated with curcumin directly dispersed in fish or corn oil (0-50 μM) for 24 -72-144 hr. Cell viability was determined using resazurin (Vision blueTM) fluorescence assay. Glutathione status was determined by monochlorobimane (MCB) assay.Results: Treatment with 0-34 μM of microemulsified curcumin produced moderate cytotoxic effect on LNCaP cells, no 50% reduction of cell viability was observed graphically. However, when LNCaP cells were treated with curcumin dispersed with corn oil the concentration or 50% reduction of cell viability (IC50) was 12-45 μM. Similarly for cells treated with curcumin dispersed with fish oil, the IC50 was between 20-40 μM. Cytotoxic doses of curcumin dispersed with corn or fish oil increased GST status in cells by 272-656% (p =
Original languageEnglish
Pages (from-to)209-216
JournalBritish Journal of Pharmaceutical Research
Volume5
Issue number3
DOIs
Publication statusPublished - 2015

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