Photobiological effects of helium neon laser on hematologic and biochemical factors of rabbit blood

Subject Areas : Veterinary Clinical Pathology

جعفر Rahmani Kahnamoei ¹ , Sh Safi ² , رسول Sadighi bonabi ³ , ایرج Sohrabi Hagdust ⁴ , M.H Khayat Nouri ⁵

1 - Graduate of Veterinary Clinical Pathology, Faculty of Specialized Veterinary Sciences, Islamic Azad University, Science & Research Campus, Tehran
2 - Department of Clinical Science, Faculty of Specialized Veterinary Sciences, Islamic Azad University, Science & Research Campus, Tehran, Iran 3-Department of Physic, Sanaati Sharif University, Tehran, Iran
3 - Department of Physic, Sanaati Sharif University, Tehran, Iran
4 - Department of Pathobiology, Faculty of Specialized Veterinary Sciences, Islamic Azad University, Science & Research Campus, Tehran, Iran
5 - Department of Basic Science, Faculty of Veterinary Medicine, Islamic Azad University, Tabriz Branch, Tabriz, Iran

Received: 2007-08-26 Accepted : 2009-01-19 Published : 2008-11-21

Keywords: Photobiologic, helium neon laser, hematological factors, Biochemical factors,

Abstract :

     Low-level helium neon laser has many applications due to its photobiostimulatory effects. Although the therapeutic effects of low-level laser radiation of different wavelengths and doses are well known, but the exact mechanism of action of the laser radiation on living cells is not yet determined. The present study is designed to evaluate the photobiological effects of 2 mw helium neon laser with wavelength of 632.8 nm on hematologic and biochemical factors of rabbit blood for this purpose, 30 male New Zealand white rabbits with the body weight of 1/5-2 kg were randomly allocated into two groups of control and laser treatment. Animals of both groups were anesthetized and those of laser treatment group were subjected to irradiation with helium neon laser at a                        wavelength of 632.8 nm and output 2 mw for 30 minutes. Finally blood samples were collected from all animals and the biochemical and hematologic factors evaluated. Significant difference (p<0.05( was observed in the amounts of albumin, total protein, LDH, CPU and WBC between the control and laser treatment group. According to the obtained result, low level laser increases the total protein, albumin, lactase dehydrogenates and creatin kinase activity and decreases which blood cell numbers.                                

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