Helium-neon and nitrogen laser irradiation accelerates the phagocytic activity of human monocytes.
Hemvani N, Chitnis DS, Bhagwanani NS. - Department of Microbiology and Immunology, Choithram Hospital & Research Centre, Indore, India.
"Enhanced killing of mycobacterial cells was seen among monocytes exposed to He-Ne and nitrogen laser irradiation. CONCLUSIONS: He-Ne and nitrogen laser irradiation activates the monocytes to increase intracellular killing of mycobacteria". (full abstract)
The biological effects of 632.8-nm low energy He-Ne laser on peripheral blood mononuclear cells in vitro.
Gulsoy M, Ozer GH, Bozkulak O, Tabakoglu HO, Aktas E, Deniz G, Ertan C. - Bogazici University, Institute of Biomedical Engineering, Kuzey Kampus Bebek, 34342 Istanbul, Turkey.
"The aim of this study was to examine the proliferation of peripheral blood mononuclear cells due to low energy 632.8-nm He-Ne laser application. The results of previous studies supported the hypothesis that low level laser therapy (LLLT) might have an increasing effect on the proliferation of lymphocytes and production of cytokines ..... Our results showed that He-Ne laser application enhanced the proliferation significantly". (full abstract)