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Enhancement of Arsenic Trioxide-Mediated Changes in Human Induced Pluripotent Stem Cells (IPS)

Author

Listed:
  • Barbara Graham

    (Laboratory of Cancer Biology and Target Validation, Department of Biology, Jackson State University, Jackson, MS 39217, USA
    These authors contributed equally to this work.)

  • Jacqueline Stevens

    (RCMI Molecular Core Lab, Department of Biology, Jackson State University, Jackson, MS 39217, USA)

  • Phatia Wells

    (Laboratory of Cancer Biology and Target Validation, Department of Biology, Jackson State University, Jackson, MS 39217, USA)

  • Jennifer Sims

    (Laboratory of Cancer Biology and Target Validation, Department of Biology, Jackson State University, Jackson, MS 39217, USA)

  • Christian Rogers

    (Department of Biology, Jackson State University, Jackson, MS 39217, USA)

  • Sophia S. Leggett

    (Department of Behavioral and Environmental Health, Jackson State University, Jackson, MS 39217, USA)

  • Stephen Ekunwe

    (Department of Biology, Jackson State University, Jackson, MS 39217, USA)

  • Kenneth Ndebele

    (Laboratory of Cancer Biology and Target Validation, Department of Biology, Jackson State University, Jackson, MS 39217, USA
    These authors contributed equally to this work.)

Abstract

Induced pluripotent stem cells (IPS) are an artificially derived type of pluripotent stem cell, showing many of the same characteristics as natural pluripotent stem cells. IPS are a hopeful therapeutic model; however there is a critical need to determine their response to environmental toxins. Effects of arsenic on cells have been studied extensively; however, its effect on IPS is yet to be elucidated. Arsenic trioxide (ATO) has been shown to inhibit cell proliferation, induce apoptosis and genotoxicity in many cells. Based on ATOs action in other cells, we hypothesize that it will induce alterations in morphology, inhibit cell viability and induce a genotoxic effect on IPS. Cells were treated for 24 hours with ATO (0–9 µg/mL). Cell morphology, viability and DNA damage were documented. Results indicated sufficient changes in morphology of cell colonies mainly in cell ability to maintain grouping and ability to remain adherent. Cell viability decreased in a dose dependent manner. There were significant increases in tail length and moment as well as destruction of intact DNA as concentration increased. Exposure to ATO resulted in a reproducible dose dependent sequence of events marked by changes in morphology, decrease of cell viability, and induction of genotoxicity in IPS.

Suggested Citation

  • Barbara Graham & Jacqueline Stevens & Phatia Wells & Jennifer Sims & Christian Rogers & Sophia S. Leggett & Stephen Ekunwe & Kenneth Ndebele, 2014. "Enhancement of Arsenic Trioxide-Mediated Changes in Human Induced Pluripotent Stem Cells (IPS)," IJERPH, MDPI, vol. 11(7), pages 1-13, July.
    • Handle: RePEc:gam:jijerp:v:11:y:2014:i:7:p:7524-7536:d:38409
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    References listed on IDEAS

    as
    1. Alice M. Walker & Jacqueline J. Stevens & Kenneth Ndebele & Paul B. Tchounwou, 2010. "Arsenic Trioxide Modulates DNA Synthesis and Apoptosis in Lung Carcinoma Cells," IJERPH, MDPI, vol. 7(5), pages 1-12, April.
    2. Keisuke Okita & Tomoko Ichisaka & Shinya Yamanaka, 2007. "Generation of germline-competent induced pluripotent stem cells," Nature, Nature, vol. 448(7151), pages 313-317, July.
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