1.Shashen Maidong Tang Enhances Efficacy of Chemotherapy in Mouse Model of Lewis Lung Cancer by Modulating JAK2/STAT3 Signaling Pathway
Lin YU ; Yaoyao WANG ; Limin LIU ; Zuowei HU ; Yanping ZHOU ; Shang WANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(5):1-10
ObjectiveTo predict the mechanism through which Shasheng Maidong Tang enhances the efficacy of chemotherapy for lung cancer via network pharmacology and validate the prediction results in animal experiments. MethodsThe potential mechanism through which Shasheng Maidong Tang enhances the efficacy of chemotherapy for lung cancer was predicted by network pharmacology, liquid chromatography-mass spectrometry (LC-MS), and molecular docking methods. C57/BL6 mice were assigned into normal, model, cisplatin, and Shasheng Maidong Tang+cisplatin groups. In addition to the normal group, the remaining groups were injected subcutaneously with 0.2 mL of 1×107 cells·mL-1 Lewis lung cancer cells to establish the Lewis lung cancer model. The daily gavage dose of Shasheng Maidong Tang was 3.58 g·kg-1, and the concentration of cisplatin intraperitoneally injected on every other day was 2 mg·kg-1. Drugs were administered for 14 d. The changes in the tumor volume and the rate of tumor suppression were monitored, and the tumor histopathological changes were observed by hematoxylin-eosin (HE) staining. Enzyme-linked immunosorbent assay was employed to measure the interleukin (IL)-6 and interferon (IFN)-γ levels in peripheral blood. Real-time PCR was performed to quantify the mRNA levels of Janus kinase 2 (JAK2), signal transducer and activator of transcription 1 (STAT1), and signal transducer and activator of transcription 3 (STAT3) in the tumor tissue of mice. Western blot was employed to determine the protein levels of JAK2, STAT3, B-cell lymphoma-2 (Bcl-2), cysteinyl aspartate-specific proteinase-3 (Caspase-3), and Pim-1 proto1 (PIM1) in the tumor tissue. Immunohistochemistry was employed to detect the expression of Bcl-2 and PIM1 in the tumor tissue. ResultsNetwork pharmacological predictions indicated that Shasheng Maidong Tang might enhance the efficacy of chemotherapy for lung cancer by regulating nitrogen metabolism, AGE-RAGE signaling pathway, cancer pathway, and JAK/STAT signaling pathway. The experimental results demonstrated that tumor volume in the cisplatin group and Shasheng Maidong Tang+cisplatin group was reduced compared with the model group, with statistically distinct differences observed on days 14, 17, 20 post modeling (P<0.05). Notably, the Shasheng Maidong Tang+cisplatin therapy further decreased tumor volume compared with the cisplatin group, showing marked reductions on days 17 and 20 (P<0.05), consistent with trends visualized in tumor volume comparison charts. The Shasheng Maidong Tang+cisplatin group exhibited higher tumor inhibition rate than the cisplatin group (P<0.05). Histopathological analysis via HE staining revealed that the tumors in the model group displayed frequent nuclear mitosis, densely arranged cells, hyperchromatic nuclei, and no necrosis. Cisplatin treatment induced partial necrosis and vacuolization, while the Shasheng Maidong Tang+cisplatin group exhibited extensive necrotic regions, maximal vacuolization, disarranged tumor cells, and minimal mitotic activity. Compared with the model group, the cisplatin group and the Shasheng Maidong Tang+cisplatin group showed elevated level of IFN-γ (P<0.01) and declined level of IL-6 (P<0.01) in the peripheral blood. Compared with the cisplatin group, the Shasheng Maidong Tang+cisplatin group presented elevated level of IFN-γ (P<0.01) and lowered level of IL-6 (P<0.01) in the peripheral blood. Compared with the model group, the cisplatin group and the Shasheng Maidong Tang+cisplatin groups showed down-regulated mRNA levels of JAK2 and STAT3 (P<0.01) and up-regulated mRNA level STAT1 (P<0.01). Compared with the cisplatin group, the Shasheng Maidong Tang+cisplatin group presented down-regulated mRNA levels of JAK2 and STAT3 (P<0.01) and up-regulated mRNA level of STAT1 (P<0.01). Compared with the model group, the cisplatin group and the Shasheng Maidong Tang+cisplatin group showed down-regulated protein levels of JAK2 (P<0.01), Bcl-2 (P<0.01), PIM1 (P<0.01), and STAT3 (P<0.05), and up-regulated protein level of Caspase-3 (P<0.01). Compared with the cisplatin group, Shasheng Maidong Tang+cisplatin group presented down-regulated protein levels of JAK2 (P<0.01), Bcl-2 (P<0.01), PIM1 (P<0.01), STAT3 (P<0.05), and up-regulated protein level of Caspase-3 (P<0.01). The Bcl-2 and PIM1 expression results obtained by immunohistochemistry were consistent with those of Western blot. ConclusionShasheng Maidong Tang may enhance the efficacy of chemotherapy in the mouse model of Lewis lung cancer by regulating the JAK2/STAT3 signaling pathway.
2.Preparation of monoclonal antibodies against human leukocyte immunoglobulin like receptor B2 and preliminary identification of their activity in vitro
Chinese Journal of Biologicals 2025;38(05):549-556
Objective To prepare monoclonal antibodies against human leukocyte immunoglobulin like receptor subfamilyB2(LILRB2) by hybridoma technique and preliminarily identify their activity in vitro, so as to provide a new strategy for targeting“cold”tumor therapy.MethodsThe extracellular region of human LILRB2 protein was expressed, purified by affinity chro-matography, and then used to immunize BALB/c mice to prepare anti-LILRB2 monoclonal antibodies with high specificityand affinity. The variable regions of light chain and heavy chain of mouse monoclonal antibodies were inserted into an expres-sion vector containing human constant regions by DNA recombination technique to produce chimeric antibodies, and theactivity in vitro was identified by ELISA, flow cytometry and bio-layer interferometry(BLI).ResultsSeven anti-LILRB2monoclonal antibodies with high purity were successfully prepared by hybridoma technique, all of which could recognizeLILRB2 protein with high specificity. Among them, 11C6-8, 43H7-2 and 53A6-11 had superior performance, with the EC_(50)values of 0. 272 3, 0. 431 8 and 0. 344 0 μg/mL, respectively. The chimeric antibodies obtained by humanized modificationexhibited higher binding ability to LILRB2 and effectively blocked the binding of LILRB2 to its ligand, human leukocyteantigen-G(HLA-G), among which the IC_(50)values of 11C6-8 and 53A6-11 were 0. 429 2 and 0. 283 6 μg/mL.ConclusionThe specific monoclonal antibodies against LILRB2 were successfully prepared, and expected to be developed into new anti-tumor immune antibody drugs, which provides a new idea for the development of therapy strategy targeting tumors.
7.Interpretation of the Guideline for Multi-dimensional and Multi-criteria Comprehensive Evaluation of Chinese Patent Medicine:weighting of evaluation indicators
Haili ZHANG ; Bin LIU ; Weili WANG ; Wenjie CAO ; Yijiu YANG ; Ziteng HU ; Yaxin CHEN ; Ning LIANG ; Huizhen LI ; Qianzi CHE ; Xingyu ZONG ; Zhao CHEN ; Yanping WANG ; Nannan SHI
China Pharmacy 2024;35(7):773-777
OBJECTIVE To provide a detailed report and interpretation of the method and results for determining the weights of the technical indicators from the “multi-dimensional and multi-criteria comprehensive evaluation index system (first edition)” stated in Guideline for Multi-dimensional and Multi-criteria Comprehensive Evaluation of Chinese Patent Medicine. METHODS Normalization calculations were performed on the comprehensive weight values calculated by the analytic hierarchy process and expert weighting method to obtain the objective weights of the indicators. RESULTS The weight results of the six primary dimensions in the current comprehensive evaluation indicator system of Chinese patent medicine showed effectiveness dimension> safety dimension>standard dimension>application dimension>scientific dimension>economic dimension, with weight values of 0.281 0, 0.268 5, 0.195 8, 0.107 3, 0.096 1 and 0.051 3 respectively, consistent with the results of most researches currently. CONCLUSIONS The process of weight determination in this indicator system is scientifically reasonable, with clear methods and clear interpretations, and is worthy of further optimization and widespread application.
8.Methodology for Developing Rapid and Living Guidelines of Traditional Chinese Medicine (RALIG-TCM) (Part 1):Concept and Current Practice
Lijiao YAN ; Ning LIANG ; Ziteng HU ; Yujing ZHANG ; Yaxin CHEN ; Fuqiang ZHANG ; Xiaoling LI ; Wenjie CAO ; Chen ZHAO ; Cheng LYU ; Nannan SHI ; Yanping WANG
Journal of Traditional Chinese Medicine 2024;65(3):269-274
Rapid and living guidelines are those developed in response to public health emergencies in a short period of time using a scientific and standardized approach. Subsequently, they provide timely and credible recommendations for decision makers through regular and frequent updates of clinical evidence and recommendations. In this paper, we introduced the definition of rapid and living guideline as well as analyzed the basic characteristics of eight rapid and living guidelines in the field of traditional Chinese medicine (TCM) published till 2023 June, summarizing three core methodological issues in relation to how to rapidly develop guidelines, how to formulate recommendations when there is lack of evidence, and how to ensure the timeliness of guidelines. Based on the analysis of current rapid and living guidelines, it is implicated that there is necessity to carry out rapid and living guideline in the field of TCM, and the methodology of rapid integration of multivariate evidence in the field of TCM needs to be further explored; furthermore, it is necessary to further explore the obstacles of implementation of guidelines and promote timely updating, all of which provide certain theoretical references for relevant guideline developers and researchers.
9.Methodology for Developing Rapid and Living Guidelines of Traditional Chinese Medicine (RALIG-TCM) (Part 2): Development Process and Key Steps during Preparation Stage
Yujing ZHANG ; Lijiao YAN ; Ziteng HU ; Yaxin CHEN ; Xiaoling LI ; Qianzi CHE ; Jingya WANG ; An LI ; Nannan SHI ; Yanping WANG ; Ning LIANG
Journal of Traditional Chinese Medicine 2024;65(3):275-280
It is necessary to develop rapid and living guidelines in order to improve the evidence translation and guidance for clinical practice in emergency situations, and to enhance the participation of traditional Chinese medicine (TCM) in management of emergencies. This paper introduced the process of developing rapid and living guidelines of TCM and divided it into three stages, that is preparation, rapid development and dynamic updating, which highlights the features of rapid development, high quality, and dynamic updating and the integration with the predominance of TCM. By comparing with general guidelines on composition, personnel number, timing to formulate and communication patterns of the guideline working groups, as well as the content and number of clinical questions, this paper mainly gave suggestions on how to formulate a concise but authoritative team during the preparation stage, how to efficiently manage the guideline team and promote the development process from conflict of interest management, working and communication mode adjustment, and how to formulate and update the important and prioritized clinical questions, all of which may provide reference for the development of TCM rapid and living guidelines.
10.Methodology for Developing Rapid and Living Guidelines of Traditional Chinese Medicine (RALIG-TCM) (Part 3): Rapid Evidence Collection, Integration and Recommendation Formation
Ziteng HU ; Lijiao YAN ; Yujing ZHANG ; Yaxin CHEN ; Xiaoling LI ; Haili ZHANG ; Huizhen LI ; Jingya WANG ; An LI ; Zhao CHEN ; Ning LIANG ; Nannan SHI ; Yanping WANG
Journal of Traditional Chinese Medicine 2024;65(3):281-286
The lack of direct evidence is an important problem faced in the formation of recommendations in rapid living guidelines of traditional Chinese medicine under public health emergencies, and the supplementation of indirect evidence can be a key method to solve this problem. For the collection of evidence, the type of evidence required, including direct and indirect evidence, should be clarified, and ‘direct first’ principle for selecting evidence can be set to standardize and accelerate the guideline development. When integrating evidence, recommendations can be formed directly if there is sufficient direct evidence, while regarding insufficient direct evidence, recommendations need to be supplemented and improved by integrating indirect evidence. In addition, when the body of evidence contains evidence from multiple sources, it is suggested to rate the evidence according to “higher rather than lower” principle. Finally, when forming recommendations, the level of evidence, safety and economic efficiency should be taken into consideration to determine the strength of the recommendation.


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