1.Effect of Liuwei Dihuangwan on EMT and Expression of CSC Properties in 4T1 Cells by Regulating Myeloid-derived Suppressor Cells
Lixiang ZHENG ; Ling HUANG ; Huiwen GUO ; Biyao GONG ; Xiaoying REN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):1-10
ObjectiveTo investigate the effect of Liuwei Dihuangwan drug-containing serum (LDP) on epithelial-mesenchymal transition (EMT) and the expression of cancer stem cell (CSC) properties in 4T1 cells from triple-negative breast cancer by intervening myeloid-derived suppressor cells (MDSCs). MethodsSPF-grade female SD rats were randomly divided into three groups, which were given 0.39, 1.94, 3.89 g·kg-1·d-1 suspension of Liuwei Dihuangwan for 7 days, respectively, to prepare low-, medium-, and high-dose LDPs. 4T1 cells were inoculated subcutaneously into the mammary glands of SPF-grade female Balb/c mice to construct a transplantation tumor model. Bone marrow cells were extracted from the tibia and femur and induced into MDSCs in vitro. The cell counting kit-8 (CCK-8) assay was used to detect the viability of 4T1 cells and MDSCs. The number of MDSCs and the expressions of CSC surface markers CD44 and CD24 in 4T1 cells were detected by flow cytometry (FC). The migration, invasion, and proliferation of 4T1 cells were detected by cell scratch assay, Transwell invasion assay, and plate colony-forming assay, respectively. Western blot (WB) was used to detect the protein expression of transforming growth factor-β (TGF-β), nuclear factor-κB (NF-κB), C-X-C motif chemokine ligand 2 (CXCL2), E-cadherin, and N-cadherin. The expression of EMT-related proteins E-cadherin and N-cadherin were detected by immunofluorescence (IF). ResultsCompared with the normal group, LDP showed no significant inhibitory effect on the cell viability of 4T1 cells, but it significantly reduced the viability and number of MDSCs and reduced the number of MDSCs, as well as the expression of TGF-β (P<0.05, P<0.01). The migration, invasion, and proliferation of 4T1 cells were increased after co-culture with MDSCs (P<0.05, P<0.01). The expressions of NF-κB, CXCL2, and N-cadherin and the proportion of CSC (CD44+CD24-) were elevated (P<0.05, P<0.01), while the expression of E-cadherin was decreased (P<0.05). After the intervention of MDSCs with LDP, followed by co-culture with 4T1 cells, the migration, invasion, and proliferation of 4T1 cells were obviously reduced (P<0.01). The expressions of NF-κB, CXCL2, and N-cadherin were decreased (P<0.05, P<0.01), and the expression of E-cadherin was increased (P<0.05, P<0.01). There was no statistical difference in the proportion of CSC (CD44+CD24-) in 4T1 cells. However, the proportion of CSC (CD44+CD24-) was decreased in the co-culture system of 4T1 cells and MDSCs with LDP intervention (P<0.05, P<0.01). ConclusionLDP can reduce the viability and number of MDSCs and the expression of TGF-β, NF-κB, and CXCL2, reverse EMT, and reduce the characteristic expression of CSC to inhibit the migration, invasion, and proliferation of 4T1 cells.
2.Effect of Liuwei Dihuangwan on EMT and Expression of CSC Properties in 4T1 Cells by Regulating Myeloid-derived Suppressor Cells
Lixiang ZHENG ; Ling HUANG ; Huiwen GUO ; Biyao GONG ; Xiaoying REN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):1-10
ObjectiveTo investigate the effect of Liuwei Dihuangwan drug-containing serum (LDP) on epithelial-mesenchymal transition (EMT) and the expression of cancer stem cell (CSC) properties in 4T1 cells from triple-negative breast cancer by intervening myeloid-derived suppressor cells (MDSCs). MethodsSPF-grade female SD rats were randomly divided into three groups, which were given 0.39, 1.94, 3.89 g·kg-1·d-1 suspension of Liuwei Dihuangwan for 7 days, respectively, to prepare low-, medium-, and high-dose LDPs. 4T1 cells were inoculated subcutaneously into the mammary glands of SPF-grade female Balb/c mice to construct a transplantation tumor model. Bone marrow cells were extracted from the tibia and femur and induced into MDSCs in vitro. The cell counting kit-8 (CCK-8) assay was used to detect the viability of 4T1 cells and MDSCs. The number of MDSCs and the expressions of CSC surface markers CD44 and CD24 in 4T1 cells were detected by flow cytometry (FC). The migration, invasion, and proliferation of 4T1 cells were detected by cell scratch assay, Transwell invasion assay, and plate colony-forming assay, respectively. Western blot (WB) was used to detect the protein expression of transforming growth factor-β (TGF-β), nuclear factor-κB (NF-κB), C-X-C motif chemokine ligand 2 (CXCL2), E-cadherin, and N-cadherin. The expression of EMT-related proteins E-cadherin and N-cadherin were detected by immunofluorescence (IF). ResultsCompared with the normal group, LDP showed no significant inhibitory effect on the cell viability of 4T1 cells, but it significantly reduced the viability and number of MDSCs and reduced the number of MDSCs, as well as the expression of TGF-β (P<0.05, P<0.01). The migration, invasion, and proliferation of 4T1 cells were increased after co-culture with MDSCs (P<0.05, P<0.01). The expressions of NF-κB, CXCL2, and N-cadherin and the proportion of CSC (CD44+CD24-) were elevated (P<0.05, P<0.01), while the expression of E-cadherin was decreased (P<0.05). After the intervention of MDSCs with LDP, followed by co-culture with 4T1 cells, the migration, invasion, and proliferation of 4T1 cells were obviously reduced (P<0.01). The expressions of NF-κB, CXCL2, and N-cadherin were decreased (P<0.05, P<0.01), and the expression of E-cadherin was increased (P<0.05, P<0.01). There was no statistical difference in the proportion of CSC (CD44+CD24-) in 4T1 cells. However, the proportion of CSC (CD44+CD24-) was decreased in the co-culture system of 4T1 cells and MDSCs with LDP intervention (P<0.05, P<0.01). ConclusionLDP can reduce the viability and number of MDSCs and the expression of TGF-β, NF-κB, and CXCL2, reverse EMT, and reduce the characteristic expression of CSC to inhibit the migration, invasion, and proliferation of 4T1 cells.
3.Research progress of new aluminum-containing vaccine adjuvants
Hongmei REN ; Yerong XIONG ; Xiaoying XUN ; Lei JIANG ; Jiasheng TU
Journal of China Pharmaceutical University 2025;56(2):236-243
Aluminum adjuvants are widely used in the field of vaccines due to their ability to induce efficient and long-lasting immune responses and good safety profile. With the development of immunology, the requirements for adjuvants have gradually increased, and traditional aluminum adjuvants can no longer meet all the needs of application. The development of novel aluminum adjuvants has become a hot research topic in order to achieve good immunity-enhancing effects and induce specific types and strengths of immune responses. This review briefly introduces the mechanism of action and safety of aluminum adjuvants, with focus on the research progress of novel aluminum adjuvants in recent years, mainly including nano-aluminum adjuvants and composite aluminum adjuvants (aluminum adjuvants compounded with immunity-stimulating molecules or delivery carriers), and a prospect of their future research direction, aiming to provide some reference for the further development and clinical application of aluminum adjuvants.
4.ZHANG Ren's academic characteristics of acupuncture for refractory eye diseases in modern times with "homotherapy for heteropathy".
Yue MA ; Yanmei HU ; Xiaolan SHI ; Xiaoying HU ; Wenqiang HONG ; Ren ZHANG
Chinese Acupuncture & Moxibustion 2025;45(9):1311-1317
This paper introduces the academic characteristics of Professor ZHANG Ren in treatment with acupuncture for refractory eye diseases in modern times, guided by "homotherapy for heteropathy" (same therapy for different diseases sharing the same pathogenesis). The refractory eye diseases in modern times include a variety of conditions such as glaucoma, macular degeneration, diabetic retinopathy, high myopia and its complications, dry eye, cortical visual impairment and genetic eye diseases. The same therapy is used because these diseases share the similar location and pathogenesis. Professor ZHANG optimizes the methods of acupoint selection and provides the comprehensive prescriptions, "basic prescription, prescription based on disease differentiation, and supplementary prescription". A variety of acupuncture manipulation techniques are operated in clinical practice, such as compound needling methods, penetration needling, manipulations for promoting qi movement and conducting qi flow. "Early, regular and persistent" treatment is the common requirement with "the same acupoints, the same prescription and the same acupuncture method" as well as at "the same time". It is also proposed that the treatment should be provided flexibly according to the different symptoms, "identifying the differences within similarities".
Acupuncture Therapy/methods*
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Humans
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Eye Diseases/history*
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Acupuncture Points
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History, 20th Century
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China
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History, 21st Century
5.Study on the Construction of a Question-Answer Corpus Dataset for Chinese Medical Knowledge Large Language Models
Tingyu LYU ; Xiaoying LI ; Ying ZHANG ; Yuyang LIU ; Jinhua DU ; Xinyi LI ; Yan LUO ; Xiaoli TANG ; Huiling REN ; Hui LIU ; Hao YIN
Journal of Medical Informatics 2024;45(5):20-25
Purpose/Significance To construct a Chinese medical knowledge Q&A corpus dataset as a standardized evaluation bench-mark for large language models(LLMs)in the medical domain,so as to improve the accuracy and efficiency of LLMs in handling Chinese medical questions.Method/Process Chinese medical paper knowledge,medical terminology explanations and supplementary questions are acquired from the Chinese medical licensing examination,and open-source Chinese medical Q&A datasets are encompassed in the developed Q&A datasets.Result/Conclusion The Chinese medical knowledge Q&A corpus datasets enrich the sources of existing datasets and promote the objective and comprehensive quantitative evaluation of large models in the medical field.In the near future,additional data such as electronic medical records and those from online health communities will be used to strengthen the support of artificial intelli-gence for the Healthy China strategy.
6.Investigation and Analysis of the Establishment of Pharmaceutical Service Fees in Hospitals of Shaanxi Province
Qian LIU ; Biqi REN ; Jiang NIU ; Shuzhi LIN ; Shuang LEI ; Wei LIU ; Xiaoying ZHU ; Lin YIN ; Bianling FENG
Herald of Medicine 2024;43(9):1416-1422
Objective To investigate the current awareness of pharmaceutical service fees among pharmacists in hospitals of Shaanxi province to provide a theoretical basis and decision-making framework for establishing such fees in hospitals of various provinces and cities in the future.Methods A questionnaire survey was conducted among 47 representative hospitals and 53 pharmacists within these hospitals in Shaanxi province.The results were analyzed using differential analysis.Results In most hospitals of Shaanxi province,pharmaceutical services are not provided or not charged for,indicating a lack of practical experience in the establishment of pharmaceutical service fees.Among hospitals that provide and charge for pharmaceutical services,there remains a need for uniformity in specific service content and fee standards,clear regulatory policy support,and a unified evaluation system.Significant differences exist among hospitals of different levels and types in terms of their capacity to provide pharmaceutical services and the forms in which they are offered.There is inconsistency among pharmacists within hospitals regarding crucial aspects of establishing pharmaceutical service fees,and further enhancement is needed in their awareness of relevant policies and the latest guidelines.Conclusions There is considerable room for improvement in establishing pharmaceutical service fees in hospitals of Shaanxi province.Stakeholders should promptly establish and standardize the fee establishment model,differentiate the fee standards for various services,enhance the publicity and dissemination of relevant document requirements to support the smooth implementation of pharmaceutical service fee policies.
7.Mechanism of the Development of Follicles Based on Cellular Force Transducer
Qingqing YANG ; Jifeng REN ; Xin RUAN ; Pengxu WANG ; Xiaoying DONG
Journal of Medical Biomechanics 2024;39(5):992-997
Cellular force transducer plays a crucial role in normal development of the follicles,which consists of integrin,focal adhesion,signal pathways and cytoskeleton.In follicle development,cellular force transducer converts force stimulation into biochemical signal,and activates the signal pathways to make cytoskeleton respond to stimulation.This process promotes various biological functions of germ cells,such as migration,meiosis and ovulation.This review summarizes the mechanism of follicles'development from two aspects,the role of cellular force transducer in the development of follicles and the related signal pathways,so as to provide a new idea for the further study of follicle development.
8.Risk factors for lymphoproliferative disorders after allogeneic hematopoietic stem cell transplantation in children with thalassemia major
Xiaojuan LUO ; Chunmiao DONG ; Ke CAO ; Tao HUANG ; Chunjing WANG ; Yue LI ; Chunlan YANG ; Zhenmin REN ; Xiaoying FU ; Yunsheng CHEN
Chinese Journal of Applied Clinical Pediatrics 2024;39(12):917-921
Objective:To explore the risk factors for lymphoproliferative disorders (PTLD) in children with thalassemia major (TM) after allogeneic hematopoietic stem cell transplantation (allo-HSCT).Methods:This was a retrospective case-control study.A total of 482 children with TM who underwent allo-HSCT at Shenzhen Children′s Hospital between January 2020 and December 2022 were selected and classified into the PTLD and non-PTLD groups according to the occurrence of PTLD.The risk factors for PTLD after allo-HSCT in children with TM were analyzed, and the diagnostic efficiency of relevant risk factors for PTLD was analyzed by receiver operating characteristic (ROC) curve.Results:A total of 25 out of 482 patients (5.2%, 25/482) developed PTLD about 114 (54-271) days after allo-HSCT.Among them, 12 cases (12/25, 48.0%) occurred within 100 days, and 22 cases (22/25, 88.0%) occurred within 1 year after allo-HSCT.Univariate analysis showed that there were significant differences in gender composition, type of transplant donor, number of natural killer cells and B lymphocytes in peripheral blood at 30 days after allo-HSCT, positive rate of plasma Epstein-Barr virus deoxyribonucleic acid (EBV-DNA) and incidence rate of acute graft-versus-host disease (aGVHD) between the 2 groups (all P<0.05).Multivariate Logistic regression analysis showed that female ( OR=3.196, 95% CI: 1.144-8.929), positive plasma EBV-DNA ( OR=17.523, 95% CI: 5.449-56.344) and aGVHD ( OR=3.156, 95% CI: 1.161-8.575) were independent risk factors for PTLD after allo-HSCT in TM children (all P<0.05).The ROC curve analysis showed that positive plasma EBV-DNA had an excellent accuracy in predicting the occurrence of PTLD after allo-HSCT (sensitivity was 0.796, specificity was 0.800, area under the curve was 0.803).If combined with aGVHD and gender, the area under the curve for the prediction of PTLD increased to 0.831. Conclusions:Female, positive plasma EBV-DNA and aGVHD are independent risk factors for PTLD after allo-HSCT in children with TM.It provides useful early warnings for the prediction and prevention of PTLD.
9.Expert consensus on the evaluation and management of dysphagia after oral and maxillofacial tumor surgery
Xiaoying LI ; Moyi SUN ; Wei GUO ; Guiqing LIAO ; Zhangui TANG ; Longjiang LI ; Wei RAN ; Guoxin REN ; Zhijun SUN ; Jian MENG ; Shaoyan LIU ; Wei SHANG ; Jie ZHANG ; Yue HE ; Chunjie LI ; Kai YANG ; Zhongcheng GONG ; Jichen LI ; Qing XI ; Gang LI ; Bing HAN ; Yanping CHEN ; Qun'an CHANG ; Yadong WU ; Huaming MAI ; Jie ZHANG ; Weidong LENG ; Lingyun XIA ; Wei WU ; Xiangming YANG ; Chunyi ZHANG ; Fan YANG ; Yanping WANG ; Tiantian CAO
Journal of Practical Stomatology 2024;40(1):5-14
Surgical operation is the main treatment of oral and maxillofacial tumors.Dysphagia is a common postoperative complication.Swal-lowing disorder can not only lead to mis-aspiration,malnutrition,aspiration pneumonia and other serious consequences,but also may cause psychological problems and social communication barriers,affecting the quality of life of the patients.At present,there is no systematic evalua-tion and rehabilitation management plan for the problem of swallowing disorder after oral and maxillofacial tumor surgery in China.Combining the characteristics of postoperative swallowing disorder in patients with oral and maxillofacial tumors,summarizing the clinical experience of ex-perts in the field of tumor and rehabilitation,reviewing and summarizing relevant literature at home and abroad,and through joint discussion and modification,a group of national experts reached this consensus including the core contents of the screening of swallowing disorders,the phased assessment of prognosis and complications,and the implementation plan of comprehensive management such as nutrition management,respiratory management,swallowing function recovery,psychology and nursing during rehabilitation treatment,in order to improve the evalua-tion and rehabilitation of swallowing disorder after oral and maxillofacial tumor surgery in clinic.
10.Analysis of medication and glycemic control of patients with type 2 diabetes under chronic disease management in Xi'an pharmacies
Xiaoying ZHU ; Biqi REN ; Xinyue SU ; Shuang LEI ; Shuzhi LIN ; Wei LIU ; Bianling FENG
Chinese Journal of Pharmacoepidemiology 2024;33(2):184-193
Objective To investigate the medication and blood glucose control of type 2 diabetes patients under chronic diseases management in Xi'an chain pharmacies,and provides reference for improving the management policy of diabetes at grassroots level.Methods A number of chain pharmacies in the sixth district of Xi'an were selected by random sampling method,and on-site interviews were conducted by questionnaire survey to patients with type 2 diabetes under the management of chronic diseases.The basic information of patients,medication status(medication plan,drug adherence,etc.),diabetes-related conditions(blood glucose status,family history,course and complications,etc.)were collected.Multivariate logistic regression was used to analyze the relevant factors of blood glucose control in patients.Results A total of 403 patients were surveyed,the largest number of patients use oral hypoglycemic drugs alone(53.4%),followed by insulin medication(including insulin only and insulin in combination with oral hypoglycemic drugs)(35.7%),and the differences between disease course and glycemic control among patients with different drug regimens were statistically significant(P<0.05).Only 43.7%of patients had good medication compliance.In addition,the patient's fast plasma glucose compliance rate was only 39.2%.The results of multivariate logistic regression analysis showed that good medication compliance(OR=1.744,95%CI 1.104 to 2.754,P=0.017)were independent influencing factors for achieving glycemic control.Conclusion The medication compliance of type 2 diabetes patients with poor blood glucose control in chronic disease management of chain pharmacies in Xi'an needs to be strengthened.Pharmacies should emphasize and give full play to the professional and service advantages of pharmacists to realize the functional role of pharmacies and strengthen diabetes management.

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