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Method for the Assessment of Effects of a Range of Wavelengths and Intensities of Red/near-infrared Light Therapy on Oxidative Stress In Vitro
Published on: March 21, 2015
Ultra-low-level laser therapy
Luigi Baratto1, Laura Calzà, Roberto Capra
1La Colletta Bioengineering Center, Arenzano, GE, Italy.
Lasers in Medical Science
|September 21, 2010
Summary
Ultra low level laser therapy (ULLLT) uses specific low-power lasers to stimulate biological effects. This review explores ULLLT
Area of Science:
- Biomedical Engineering
- Photomedicine
- Cell Biology
Background:
- Recent research indicates low-level laser stimulation (633 or 670 nm) at very low power densities can produce significant biological effects.
- This has led to the development of a novel therapeutic approach termed ultra low level laser therapy (ULLLT).
Purpose of the Study:
- To review the existing experimental evidence for ultra low level laser therapy (ULLLT).
- To explore the underlying biophysical mechanisms of ULLLT and propose hypotheses.
- To stimulate interdisciplinary discussion and further research in this field.
Main Methods:
- Review of laboratory and clinical studies on low-level laser stimulation.
- Analysis of cell culture and animal model experiments.
- Examination of clinical trial data and sonographic findings.
Main Results:
- ULLLT (670 nm, 0.45 mJ/cm(2)) promotes NGF-induced neurite elongation and protects neural cells from oxidative stress.
- ULLLT demonstrated anti-edema and anti-hyperalgesia effects in rat models.
- Clinical studies report beneficial outcomes for musculoskeletal disorders treated with ULLLT.
Conclusions:
- ULLLT is a promising photobiostimulation therapy with demonstrated efficacy in preclinical and clinical settings.
- Further research is needed to elucidate the biophysical mechanisms driving ULLLT effects.
- Interdisciplinary collaboration is encouraged to advance the understanding and application of ULLLT.

