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Original Article

The Effects of Counter-ion Condensation and Co-ion Depletion Upon the Rates of Chemical Repair of Poly(U) Radicals by Thiols

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Pages 885-899 | Received 31 Aug 1990, Accepted 28 Oct 1990, Published online: 03 Jul 2009

References

  • Alexander P., Charlesby A. Physico-chemical methods of protection against ionizing radiations. Radiobiology Symposium, Liège, 1954, Z.M. Bacq, P. Alexander. Butterworth, London 1955; 49–60
  • Alper T., Howard-Flanders P. Role of oxygen in modifying the radiosensitivity of E. coli B. Nature 1956; 178: 978–979
  • Bothe E., Schulte-Frohlinde D. Release of K+ and H+ from poly(U) in aqueous solution upon γ and electron irradiation. Rate of strand break formation in poly(U). Zeitschrift für Naturforschung 1982; 37c: 1191–1204
  • Deeble D.J., Schultz D., von Sonntag C. Reactions of OH radicals with poly(U) in deoxygenated solutions: sites of OH radical attack and the kinetics of base release. International Journal of Radiation Biology 1986; 49: 915–926
  • Ellman G.L. Tissue sulphydryl groups. Archives of Biochemistry and Biophysics 1959; 82: 70–77
  • Fahey R.C., Newton G.L. Determination of low-molecular-weight thiols using monobrombimane fluorescent labelling and high-performance liquid chromatography. Methods in Enzymology 1987; 143: 85–96
  • Fahey R.C., Prise K.M., Stratford M.R.L., Watfa R.R., Michael B.D. Rates for repair of pBR 322 DNA radicals by thiols as measured by the gas explosion technique: evidence that counter-ion condensation and co-ion depletion are significant at physiological ionic strength. International Journal of Radiation Biology 1991; 59: 901–917
  • Held K.D., Harrop H.A., Michael B.D. Effects of oxygen and sulphydryl-containing compounds on irradiated transforming DNA. I. Actions of dithiothreitol. International Journal of Radiation Biology 1981; 45: 613–622
  • Held K.D., Harrop H.A., Michael B.D. Effects of oxygen and sulphydryl-containing compounds on irradiated transforming DNA. II. Glutathione, cysteine and cysteamine. International Journal of Radiation Biology 1984a; 45: 615–626
  • Held K.D., Harrop H.A., Michael B.D. Effects of oxygen and sulphydryl-containing compounds on irradiated transforming DNA. III. Reaction rates. International Journal of Radiation Biology 1984b; 45: 627–636
  • Hildenbrand K., Schulte-Frohlinde D. E.s.r. studies on the mechanism of hydroxyl radical-induced strand breakage of polyuridylic acid. International Journal of Radiation Biology 1989; 55: 725–738
  • Klayman D.L., Copeland E.S. Radioprotective agents. Kirk-Othmer: Encyclopedia of Chemical Technology3rd edn, M. Grayson. John Wiley & Sons, New York 1982; 19: 901–832
  • Landolt-Börnstein. Leitfähigkeit von Ionen in wasserigen Lösungen. Zahlenwerte und Funktionen 1960; II(7)258–258, 6 Aufl.
  • Le Bret M., Zimm B.H. Distribution of counter-ions around a cylindrical polyelectrolyte and Manning's condensation theory. Biopolymers 1984; 23: 287–312
  • Lilie J., Fessenden R.W. An alternating current conductivity method for studies of pulse radiolysis in aqueous solutions. Determination of the state of ionization of several e-aq adducts. Journal of Physical Chemistry 1973; 77: 674–677
  • Manning G.S. The molecular theory of polyelectrolyte solutions with applications to the electrostatic properties of polynucleotides. Quarterly Reviews in Biophysics 1978; 11: 179–246
  • Michael B.D., Harrop H.A., Maughan R.L. Fast response methods in the radiation chemistry of lethal damage in intact cells. Radiation Research, S. Okada, M. Imamura, T. Terashima, H. Yamaguchi. Japanese Association for Radiation Research, Tokyo 1979; 288–296
  • Minchinton A.I. Measurements of glutathione and other thiols in cells and tissues: a simplified procedure based on the HPLC separation of monobromobimane derivatives of thiols. International Journal of Radiation Oncology, Biology and Physics 1984; 10: 1503–1506
  • Nucifora G., Smaller B., Remko R., Avery E.C. Transient radicals of DNA bases by pulse radiolysis. Effects of cysteine and cysteamine as radioprotectors. Radiation Research 1972; 49: 96–111
  • Quintiliani M., Badiello R., Tamba M., Esfandi A., Gorin G. Pluse radiolysis of glutathione. International Journal of Radiation Biology 1977; 32: 195–204
  • Smoluk G.D., Fahey R.C., Ward J.F. Equilibrium dialysis studies of the binding of radioprotector compounds to DNA. Radiation Research 1986; 107: 194–204
  • Smoluk G.D., Fahey R.C., Ward J.F. Interaction of glutathione and other low molecular weight thiols with DNA: Evidence for counter-ion condensation and co-ion depletion near DNA. Radiation Research 1988; 114: 3–10
  • Tedder J.M. The importance of polarity, bond strength and steric effects in determining the site of attack and the rate of free radical substitution in aliphatic compounds. Tetrahedron 1982; 38: 313–329
  • Vojnovic B. A sensitive single-pulse beam charge monitor for use with charged particle accelerators. Radiation Physics and Chemistry 1985; 24: 517–522
  • Willson R.L. Free radical repair mechanisms and the interactions of glutathione and vitamins C and E. Radioprotectors and Anticarcinogens, O.F. Nygaard, M.G. Simic. Academic Press, New York 1983; 1–22
  • Zheng S., Newton G.L., Gonick G., Fahey R.C., Ward J.F. Radioprotection of DNA by thiols: Relationship between the net charge on a thiol and its ability to protect DNA. Radiation Research 1988; 114: 11–27

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