Summary
Inhibition of cell proliferation by d-α-tocopherol occurs in vascular smooth muscle cells, Balb c/3T3 fibroblasts and neuroblastoma cells. Other cell lines, such as CHO, osteosarcoma and macrophages are not sensitive. The inhibition depends on the signalling path employed by cells to control proliferation. PDGF-BB is the most d-α-tocopherol sensitive mitogenic stimulus while lysophosphatidic acid is the least. d-β-Tocopherol, an analogue of d-α-tocopherol, with similar antioxidant properties, does not inhibit proliferation. Protein kinase C activity is inhibited by d-α-tocopherol but not by d-β-tocopherol, suggesting a central role of this enzyme in the control of cell proliferation by d-α-tocopherol.
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© 1994 Birkhäuser Verlag Basel/Switzerland
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Azzi, A., Boscoboinik, D., Chatelain, E., Özer, N.K., Stäuble, B. (1994). d-α-Tocopherol and Cell Proliferation. In: Pasquier, C., Olivier, R.Y., Auclair, C., Packer, L. (eds) Oxidative Stress, Cell Activation and Viral Infection. Molecular and Cell Biology Updates. Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-7424-3_13
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DOI: https://doi.org/10.1007/978-3-0348-7424-3_13
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