ABSTRACT
Tumor is a new organism caused by normal local tissue and cell proliferation under the effect of various tumorigenic factors. It is a serious threat to human health and life. In the theory of traditional Chinese medicine, heat poison that is similar to tumorigenic factor is one of the main causes of tumor. Modern studies have shown that Qingre Jiedu drugs have the effect in clearing heat, detoxifying, resisting bacteria and inflammation, improving immunity and resisting tumor. Therefore, Qingre Jiedu drugs are an important part of traditional Chinese prescriptions for the treatment of tumors. The research of Qingre Jiedu drugs has attracted more and more attention. Molecular pharmacological studies have shown that Qingre Jiedu drugs can play a significant role in the treatment of many kinds of tumors by regulating the targets in multiple cell signal transduction pathways. Based on literatures, due to the lack of specific review on heat and detoxification drugs for the treatment of tumor mechanism in recent years, Sophorae Flavescentis Radix, Scutellariae Radix, Hedyotis diffusa willd and Scutellariae Barbatae Herba with typical effect in clearing heat and detoxification were selected to study the tumor cell proliferation, invasion and metastasis and angiogenesis, and effects in reducing or eliminating chemotherapeutic drug resistance, inhibiting cell proliferation and inducing cell apoptosis of Sophorae Flavescentis Radix, Scutellariae Radix, Hedyotis diffusa willd and Scutellariae Barbatae Herba through Wnt/beta-catenin, phosphatidylinositol-3-kinases(PI3K)/protein kinase B(Akt), Hedgehog signaling pathways. Apparently, heat and detoxification drugs can inhibit the occurrence and development of tumors as a result of the common action of various components in heat and detoxification drugs. Meanwhile, heat and detoxification drugs have the advantages over chemical therapy and surgical treatment. This provides a reference for the application and further study of heat and detoxification drugs in tumor treatment, and new theoretical support and action target of modern medicine for the mechanism of action of traditional Chinese medicine in treating cancer.
ABSTRACT
Objective To investigate the epiderniology of fungemia and provide evidence for clinical therapy.Methods A retro- spective survey was done with the 31 cases of fungemia in our hospital from August 2004 to November 2005.Results More than 80% of the patients suffered from two and more underlying diseases.Over a half of infections developed following placement of catheters.And 83.9% of the patients had a history of antimicrobial agents use before blood culture.The pathogens of 24 (77.4%) cases were associated with Candida spp.Only 3 strains were C.albicans.The mortality rate of candidemia was 45.8%.Different Candida species had different resistance rates to antifungal agents.Conclusions Fungemia patients often have serious underlying diseases.Most fungemia cases were candidemia caused by non-C.albicans.Some fungal pathogens are re- sistant to fluconazole and itraconazole.