Physiological and Biochemical Study of the Impact of LLLT irradiation and GTE in Experimentally Infected laboratory Rats with Arthritis

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Muthanna Journal of Pure Sciences – MJPS

VOL.4 – NO. 1 / January 2017

Wafaa Abdulmutalib Naji

Al-Muthanna University- College of Science



The objective of this study is to investigate the effect of Green tea extracts (GTE) and Low
Level Laser Therapy (L.L.L.T.) on healing of feet arthritis. Elevated free radical generation
in inflamed joints and impaired antioxidant system has been implicated in arthritis. The
medicinal effects of tea have a history dating back almost 5000 years. The
chemical components of green tea chiefly include polyphenols, caffeine and
amino acids. Tea also contains flavonoids, compounds reported to have
antioxidant properties having many beneficial effects. Tea flavonoids reduce
inflammation, have antimicrobial effects. Laser Therapy is active at both the
cellular and systemic levels activating a variety of mechanisms including cartilage
regeneration, DNA synthesis, improved microcirculation and an analgesic and antiinflammatory
effect. This study included twenty four adult male rats; the arthritis induced in
all animals by using the formaldehyde then were divided into four groups (6 rats each) G1
control group, G2 treated with Low Level Laser Therapy LLLT, G3 treated with GTE and
G4 treated with LLLT and GTE in physiology laboratory.
In conclusion this study investigates possible mechanisms by which laser and GTE protect
joints in rat model. (By the hormonal and biochemical studying of some hormones and
minerals in the serum of the animals).


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