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[Effect of lugu Ganoderma lucidum on low-density lipoprotein oxidation and monocyte adhesion to endothelium].

OBJECTIVE
To study the effect of Lugu Ganoderma Lucidum (LGL) on low-density lipoprotein (LDL) oxidation and monocyte adhesion to endothelium (AdM-E) induced by oxydative LDL and advanced glycosylation endproducts (AGE) by using serum pharmacological technique.


METHODS
LDL oxidation was determined by measuring the thiobarbituric acid reactive substances in the supernatants, and AdM-E was determined by measuring myeloperoxidase activity of adherent monocyte.


RESULTS
Serum derived from rats 0.5 hrs, 1 hr, 2 hrs, 3 hrs after LGL administering 0.12 g/kg once and 0.5 hrs, 1 hr after LGL administering twice showed no significant effect on LDL oxidation, but the serum from rats 2 hrs, 3 hrs after LGL 0.12 g/kg administering twice or from rats after 10 successive days LGL administering in dose of 0.12 g/kg, 0.24 g/kg and 0.72 g/kg, all could lower the LDL oxidation (P < 0.05). Besides, the serum from rats with 10 days LGL administering of all dosages also could inhibit AdM-E induced by AGE (P < 0.05), and those of 0.24 g/kg and 0.72 g/kg could inhibit AdM-E induced by oxydative LDL (P < 0.05).


CONCLUSION
LGL could decrease LDL oxidation and AdM-E induced by AGE or oxydative LDL.