Российская академия наук


EFFECTS OF LOW-INTENSITY DECIMETER MICROWAVE ON LPO LEVEL AND CATALASE ACTIVITY IN RAT LIVER AFTER EXPOSURE TO X-RAY RADIATION



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EFFECTS OF LOW-INTENSITY DECIMETER MICROWAVE ON LPO LEVEL AND CATALASE ACTIVITY IN RAT LIVER AFTER EXPOSURE TO X-RAY RADIATION

Eminov A.U., Babaev Kh.F.

A.I.Karaev Institute of Physiology, Azerbaijan National Academy of Sciences, Baku, Azerbaijan; azereczaci@mail.ru


Investigation of peculiarities of interaction between ionizing and non-ionizing electromagnetic waves and living systems lies in the most important and promising areas of modern natural science.

All parameters were determined in the liver of white rats an hour, 3 and 6 days after exposure to 4 Gr doses of X-ray radiation and low-intensity microwave (460 MHz) separately as well as after successive exposure to both types of radiation.

Product of LPO Hydroperoxide content was 28% and 24% higher than the intact animals’ indicator (2,6±0,09 rel.unit) 3 and 6 days after exposure to 4 Gr dose of X-ray radiation, respectively, and close to the intact animals’ indicator an hour. The amount of Hydroperoxide was 21% and 13% lower than the intact animals’ indicator an hour and 6 days, respectively, after exposure to low-intensity microwave, and close to the intact animals’ indicator in 3 days. On successive exposure to both types of radiation, the parameter was 33% higher than the intact animals’ indicator in 3 days, and close to the intact animals’ indicator an hour and 6 days.

Content of Malondialdehyde was 18%, 59% and 40% higher than the intact animals’ indicator (1,58±0,07 nMol/mg protein) an hour, 3 and 6 days after exposure to 4Gr dose of X-ray radiation. The amount of Malondialdehyde was 24% and 15% lower than the intact animals’ indicator an hour and 6 days after exposure to low-intensity microwave, respectively, and close to the intact animals’ indicator in 3 days. On successive exposure to both types of radiation, the parameter was 60% higher than the intact animals’ indicator in 3 days, respectively, and close to the intact animals’ indicator an hour and 6 days.

Catalase content was 22%, 28% and 17% lower than the intact animals’ indicator (265,36±5,02 un./ml homogenate) an hour, 3 and 6 days after exposure to 4Gr dose of X-ray radiation. The activity of catalase enzyme was 12% and 14% lower than the intact animals’ indicator an hour and 3 days after influence low-intensity microwave, respectively, and close to the intact animals’ indicator in 6 days. On successive exposure to both types of radiation, the parameter was 11% and 18% higher than the intact animals’ indicator an hour and 3 days, respectively, and close to the intact animals’ indicator in 6 days.

It was thereby demonstrated on successive exposure to both types of radiation that exposure of the animals to low-intensity microwave leads to partial recovery of the content of LPO and the activity of catalase enzyme in liver, which indicated that low-intensity microwave possesses antioxidant properties and has a radioprotective effect on living organisms exposed to X-ray radiation.



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