The enlightenment and application of“Laxative method used in early stage of Febrile Disease”in treating COVID-19

The theory of the TCM laxative method is rich in content.Doctors of past dynasties have used it to treat febrile diseases.And the theory of“Laxative method used in early stage of Febrile Disease”has been praised by later generations.It advocates chasing away evil influence early and paying attention to the laxative method to prevent the spread of disease.the Novel Coronavirus(COVID-19)Infectious Pneumonia belongs to the category of"epidemic"in traditional Chinese medicine.The reasonable application of the cathartic is an important way to provide a way out for evil.However,don’t be blind to use laxative method,you should get it at the right time.The treatment of COVID-19 has different solution at different stages.You should adapt to the changes of the disease to use cathartic.A case in here is attached for reference.

Haoqin Qingdan Decoction(蒿芩清胆汤)and Ribavirin Therapy Downregulate CD14 and Toll-Like Receptor 4 in Febrile Disease with Dampness-Heat Syndrome in A Mouse Model

Objective： To evaluate the effect of Chinese medicine Haoqin Qingdan Decoction （蒿芩清胆汤, HQD） for febrile disease dampness-heat syndrome （FDDHS）. Methods： Forty mice were divided into four groups, including normal control, FDDHS （induced by Radix et Rhizoma Rhei recipe and influenza virus A1 FM1 model）, HQD, and the ribavirin groups （10 in each）. The normal control and FDDHS groups were administered normal saline. HQD and the ribavirin groups were administered HQD and ribavirin intragastrically once daily at a dose of 64 g/（kg.d） and 0.07 g/（kg.d）, respectively for 7 days. Lethargy, rough hair, diarrhea, tongue color and sole color were evaluated for pathological changes in morphology. The tongue and lung tissues were collected for histology. The CD14 and toll-like receptor 4 （TLR4） expression levels were measured using real-time quantitative polymerase chain reaction. Results： More than 80% of the FDDHS mice showed hypokinesia and lethargy, and pathological changes associated with rough hair, diarrhea, tongue color and sole color. With advanced treatment for 7 days, the thick greasy tongue fur of the HQD and ribavirin groups were thinner than that of the FDDHS group （P〈0.05）, and it was the thinnest in the ribavirin group as compared with that in other groups （P〈0.05）. The CD14 and TLR4 expression levels in the lung tissues of HQD and ribavirin groups significantly delined compared with the model group （P〈0.05 or P〈0.01）. CD14 was down-regulated more remarkably in the HQD group compared with the ribavirin group （P〈0.05）, whereas the converse was true with TLR4 （P〈0.05）. Conclusions： We established a FDDHS mouse model showing systemic clinical symptoms. Both HQD and ribavirin can inhibit the expression of CD14 and TLR4 in FDDHS mice, while the effect of ribavirin might be much more violent. The expression changes of CD14 and TLR4 consistently refers to lipopolysaccharide, the commonly and hotly inducing factor in FDDHS.

Text Mining and Analysis of Treatise on Febrile Diseases Based on Natural Language Processing

Objective:With using natural language processing (NLP) technology to analyze and process the text of "Treatise on Febrile Diseases (TFDs)"for the sake of finding important information, this paper attempts to apply NLP in the field of text mining of traditional Chinese medicine (TCM)literature. Materials and Methods:Based on the Python language, the experiment invoked the NLP toolkit such as Jieba, nltk, gensim,and sklearn library, and combined with Excel and Word software. The text of "TFDs" was sequentially cleaned, segmented, and moved the stopped words, and then implementing word frequency statistics and analysis, keyword extraction, named entity recognition (NER) and other operations, finally calculating text similarity. Results:Jieba can accurately identify the herbal name in "TFDs." Word frequency statistics based on the word segmentation found that "warm therapy" is an important treatment of "TFDs." Guizhi decoction is the main prescription,and five core decoctions are identified. Keyword extraction based on the term "frequency-inverse document frequency" algorithm is ideal.The accuracy of NER in "TFDs" is about 86%;latent semantic indexing model calculating the similarity,"Understanding of Synopsis of Golden Chamber (SGC)" is much more similar with "SGC" than with "TFDs." The results meet expectation. Conclusions:It lays a research foundation for applying NLP to the field of text mining of unstructured TCM literature. With the combination of deep learning technology,NLP as an important branch of artificial intelligence will have broader application prospective in the field of text mining in TCM literature and construction of TCM knowledge graph as well as TCM knowledge services.