Reactive oxygen species and photobiostimulation

Rachel Lubart, H. Friedman, N. Grossman, N. Cohen, Haim Breitbart

Research output: Contribution to journalConference articlepeer-review


The biostimulative effects exerted by various low power lasers in the visible and near I.R. might be a consequence of reactive oxygen species (ROS) production. Although high concentration of ROS leads to cell death, low and controlled concentrations may play an important role in cell activation. It is assumed that the light which is absorbed by endogenous photosensitizers induces the formation of minute amounts of ROS which are beneficial for the cell. In the present review we summarize recent experimental data providing evidence for ROS involvement in photobiostimulation of skin and sperm cells.

Original languageEnglish
Pages (from-to)12-18
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1997
EventEffects on Low-Power Light on Biological Systems - San Remo, Italy
Duration: 8 Sep 19978 Sep 1997


  • Photobiostimulation
  • Reactive Oxygen Species (ROS)
  • Skin cells
  • Sperm cells


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