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1.
China Journal of Chinese Materia Medica ; (24): 905-911, 2019.
Article in Chinese | WPRIM | ID: wpr-771487

ABSTRACT

Ganoderic acid(GA) is one of main bioactive components produced by Ganoderma lucidum,which a traditional Chinese herbal medicine and a kind of tracyclic triterpene lanosterol derivatives with highly oxidized structure. It has a variety of important pharmacological activities,such as anticancer,immunoregulation,anti-oxidation,anti-diabetes and anti-HIV. At present,the studies of GA mainly focus on biosynthesis,fermentation control,isolation and purification,structure identification and pharmacological effects.However,there are a fewer pharmacokinetic studies of GA,although it is closely related to the clinical application. Recent studies have shown that GA can be absorbed rapidly by gastrointestinal tract and distributed in various tissues and organs after oral intake. GA is metabolized by liver at phase Ⅰ and phase Ⅱ,and then mainly excreted by bile. In this paper,the pharmacokinetic characteristics of GA and its absorption,distribution,metabolism and excretion(ADME) will be systematically summarized,in order to provide scientific basis for the application and development studies of Ganoderma triterpenoid drugs and their rational clinical use.


Subject(s)
Humans , Lanosterol , Pharmacokinetics , Reishi , Chemistry , Triterpenes , Pharmacokinetics
2.
China Journal of Chinese Materia Medica ; (24): 174-179, 2015.
Article in Chinese | WPRIM | ID: wpr-305327

ABSTRACT

Due to substantial morbidity and high complications, diabetes mellitus is considered as the third "killer" in the world. Medicinal fungal polysaccharides, as water-soluble macromolecular substances with low toxicity, exhibit diversified pharmacological actions such as immune regulation, anti-tumor, antivirus, antioxidant, anti-aging, hypoglycemic effect and improving liver and kidney function. In recent year, a number of investigators reported medicinal fungal polysaccharides showed good anti-diabetes and hypoglycemic activity, and their acting mechanisms involved in glycometabolism and β cell function, e. g. promoting glycogen synthesis, promoting glycolysis, inhibiting the activity of α-glucosidase, promoting insulin secretion, increasing insulin sensitivity, enhancing antioxidation. Therefore, the hypoglycemic activity and its mechanisms of action of medicinal fungal polysaccharides showed characteristics of multiple effects, multi-target, and multi-pathway regulation. These finding suggest that medicinal fungal polysaccharides are a promising source for the development of discovery of anti-diabetic agent.


Subject(s)
Animals , Humans , Carbohydrate Metabolism , Fungal Polysaccharides , Pharmacology , Hypoglycemic Agents , Pharmacology , Insulin Resistance , Insulin-Secreting Cells , Oxidative Stress
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