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1.
Chinese Journal of Radiological Medicine and Protection ; (12): 449-451, 2008.
Article in Chinese | WPRIM | ID: wpr-398299

ABSTRACT

Objective To study the DNA damage of bone marrow cells of mice after exposure to Radon.Methods Twenty-four mice were randomly divided into four groups, one control group and three experimental groups with the cumulative doses of radon at 27 WLM (low dose group), 52 WLM (middle dose group) and 105 WLM ( high dose group). DNA damage induced by radon in bone marrow of mice was detected by methods of single cell gel electrophoresis (SCGE), micronucleus(MN) and laser scanning confocal microscope (LSCM) observation. Results The DNA strand breakage, rate of MN and apoptosis increased significantly in the high dose group, but not in the middle and low dose groups. Conclusions Exposure to radon could induce DNA damage in bone marrow cells of mice at high levels.

2.
Chinese Journal of Pathophysiology ; (12)1989.
Article in Chinese | WPRIM | ID: wpr-515718

ABSTRACT

Thirty albino New Zealand rabbits were divided into three groups at random, ten in each group, which were N~6-2'-O-dibutyryladenosine-3', 5'-cyclic monophosphate (db-cAMP) + taurine (Tau), normal saline (NS) + Tau and db-cAMP+ NS. Tau, dbcAMP and NS were injected into the rabbit's ventricles by intracerebroventricular (ICV) rotate. The results showed that ICV Tau could inhibite the fever induced by ICV dbcAMP in the single long phase hyperthermic duration. The mean thermal response indiexs of the groups within six hours (TRI6) were 7.10?2.447 0.21?1.58 and 12.47?4.60 (P

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