Although further research is necessary, our preliminary results support the novel possibility that the IPLD photo-induces chaotic dynamics that modulate complex physiologically reparative bioeffects.
The objective of this review is to propose and document a role for the water oscillator in near-infrared (NIR) photobiomodulation. Greater understanding of the role of the water oscillator may add to a more-coherent description of central effects of NIR light on redox centers and key transmembrane enzymes such as cytochrome c oxidase (CcO). In addition, water provides a complementary pathway for absorption and transportation of NIR energy in photobiomodulation. Because of its unexpected potential, we propose terming it the "water oscillator paradox." Photobiologic mechanisms involved in the treatment of complex diseases are discussed in light of the present state of the art.
Though additional studies are necessary to fully explore the biological effects of the PIPBM induced by the IPLD, this mechanism may have multiple potential applications in medicine that are the subject of active current and future investigations.
SUMMARY
The purpose of this study was to evaluate serum levels of TNF‐α, sIL‐2R and distribution of peripheral leucocyte subsets in patients with advanced neoplastic disease undergoing IPLD treatment. Fifteen cancer patients with evidence of persistent disease were further divided in two groups according to outcome at the end of the period of clinical evaluation: group 1 patients were still alive and group 2 patients had died. Our results show: (i) an increase in the initial level of TNF‐α in both groups; (ii) a decrease in TNF‐α levels during the follow up of group I patients; (iii) a significant increase in serum levels of sIL‐2R in patients in group 2 compared with those in group 1; (iv) a progressive and constant increase in TNF‐α levels in group 2; (v) a decrease in CD4+CD45RA+ subpopulation in both groups; (vi) an increase in CD25+ cells; (vii) an increase in CD4+, CD4+ CD45RA+ and CD25+ cells during the follow up of group 2 patients. The data generated here form the basis for further investigations on the use of IPLD as a single agent and in combination with other biological response modifiers in cancer patients.
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