Cytotoxicity and apoptosis induction of sodium fluoride in human promyelocytic leukemia (HL-60) cells

JeSeon Song, Hee Yeon Lee, Eunyong Lee, Hyun Jin Hwang, Jeong Hee Kim

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The role of sodium fluoride (NaF) in cytotoxicity and induction of apoptosis was investigated by treating human promyelocytic leukemia (HL-60) cells with varying concentrations of NaF, from 0 to 250 ppm for different periods (0-72 h). At lower concentrations (0-50 ppm), no significant cytotoxicity was observed in response to NaF treatment. However, at higher concentrations (100-250 ppm), NaF reduced cell viability, and decreased DNA and protein biosynthesis capability in cultured HL-60 cells. The growth inhibitory and antiproliferative effects of NaF appear to be attributable to its induction of apoptotic cell death, as NaF induced morphological changes, internucleosomal DNA fragmentation, and increased the proportion of hypodiploid cells. NaF treatment also gradually decreased the expression of the anti-apoptotic protein Bcl-2, and increased activation of caspase-3 and cleavage of poly (ADP-ribose) polymerase. These results provides important information towards understanding the mechanism by which NaF mediates cytotoxicity and apoptosis.

Original languageEnglish
Pages (from-to)85-91
Number of pages7
JournalEnvironmental Toxicology and Pharmacology
Volume11
Issue number2
DOIs
Publication statusPublished - 2002 Feb 23

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Sodium Fluoride
HL-60 Cells
Cytotoxicity
Leukemia
Apoptosis
Apoptosis Regulatory Proteins
Poly(ADP-ribose) Polymerases
Protein Biosynthesis
DNA Fragmentation
Caspase 3
Cultured Cells
Cell Survival
Cell Death
DNA
Biosynthesis
Cell death
Growth
Chemical activation
Cells
Proteins

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pharmacology
  • Health, Toxicology and Mutagenesis

Cite this

Song, JeSeon ; Lee, Hee Yeon ; Lee, Eunyong ; Hwang, Hyun Jin ; Kim, Jeong Hee. / Cytotoxicity and apoptosis induction of sodium fluoride in human promyelocytic leukemia (HL-60) cells. In: Environmental Toxicology and Pharmacology. 2002 ; Vol. 11, No. 2. pp. 85-91.
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Cytotoxicity and apoptosis induction of sodium fluoride in human promyelocytic leukemia (HL-60) cells. / Song, JeSeon; Lee, Hee Yeon; Lee, Eunyong; Hwang, Hyun Jin; Kim, Jeong Hee.

In: Environmental Toxicology and Pharmacology, Vol. 11, No. 2, 23.02.2002, p. 85-91.

Research output: Contribution to journalArticle

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