Abstract
Ganoderma lucidum is an edible medicinal mushroom known as “Lingzhi” in China and “Reishi or Manetake” in Japan. It is a highly prized vitality‐enhancing herb for more than 2000 years. G. lucidum polysaccharide (GLPS) has been identified as one of the major bioactive components and developed into a drug named “Ji 731 Injection” in China since 1973. The large‐scale production of the drug began in 1985 and approved by the Chinese FDA as “Polysaccharidum of G. lucidum Karst Injection” (Ling Bao Duo Tang Zhu She Ye) in 2000, which is applied intramuscularly. After more than forty years of clinical use, its efficacy, safety and long‐term tolerability have been recognized by neurologists. It is one of a few non‐hormonal drugs used for treating refractory myopathy. It is also used for combination therapy, which reduces the amount of glucocorticoid required for myopathy patient who is in remission. In addition, it reduces adverse reactions and improves the quality of life for cancer patients during chemotherapy. We found 81 qualified chemical, biochemical, preclinical and clinical studies of GLPS both in English and in Chinese spanning from 1973 to 2017 by searching CNKI (China National Knowledge Infrastructure), Wanfang database and PubMed. The molecular mechanisms underlying GLPS's antioxidant, anti‐tumour, immune‐modulatory, hypoglycaemic, hypolipidaemic and other activities are discussed. Both preclinical and clinical studies are either deliberated or indexed in the current article. We aimed at providing a molecular picture as well as a clinical basis to comprehend GLPS as one of few polysaccharide‐based modern medicines with complicated chemical and pharmacological properties that prevent it from entering the world's market.
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