CAN REACTIVE OXYGEN SPECIES ACT AS SECOND MESSENGERS?

• Timo M. Buetler, Alexandra Krauskopf, and Urs T. Ruegg
  Role of Superoxide as a Signaling Molecule
  News Physiol Sci, Jun 2004; 19: 120 - 123. [PDF]

• Reactive Oxygen Species as Mediators of Cellular Senescence
  Authors: Colavitti, R, Finkel T
  IUBMB Life, Volume 57, Numbers 4-5, -5/April-May 2005, pp. 277-281(5). [PDF]