1.Interpretation of the Screening Tool of Older Persons' Prescriptions and Screening Tool to Alert to Right Treatment
Xuedong JIA ; Wenjun JIAO ; Mingyue ZHANG ; Tingting LI ; Sufang CHEN ; Shuzhang DU
Chinese Journal of Geriatrics 2025;44(2):122-129
The Screening Tool of Older Persons' Prescriptions(STOPP)and the Screening Tool to Alert to Right Treatment(START)play a crucial role in identifying potentially inappropriate prescriptions among the elderly.As the aging population continues to grow, there is an urgent need for effective tools to address the challenges of multimorbidity and polypharmacy in elderly patients in China.However, the development of rational medication screening tools has significantly lagged, and there is currently a lack of sensitive and effective instruments in China.This article analyzes the newly added entries in the third edition of STOPP/START, aiming to provide a reference for managing multiple medication regimens and for the development of relevant tools for elderly patients in China.
2.Discovery of selective HDAC6 inhibitors driven by artificial intelligence and molecular dynamics simulation approaches
Xingang LIU ; Hao YANG ; Xinyu LIU ; Minjie MOU ; Jie LIU ; Wenying YAN ; Tianle NIU ; Ziyang ZHANG ; He SHI ; Xiangdong SU ; Xuedong LI ; Yang ZHANG ; Qingzhong JIA
Journal of Pharmaceutical Analysis 2025;15(8):1860-1872
Increasing evidence showed that histone deacetylase 6(HDAC6)dysfunction is directly associated with the onset and progression of various diseases,especially cancers,making the development of HDAC6-targeted anti-tumor agents a research hotspot.In this study,artificial intelligence(AI)technology and molecular simulation strategies were fully integrated to construct an efficient and precise drug screening pipeline,which combined Voting strategy based on compound-protein interaction(CPI)prediction models,cascade molecular docking,and molecular dynamic(MD)simulations.The biological potential of the screened compounds was further evaluated through enzymatic and cellular activity assays.Among the identified compounds,Cmpd.18 exhibited more potent HDAC6 enzyme inhibitory activity(IC50=5.41 nM)than that of tubastatin A(TubA)(IC50=15.11 nM),along with a favorable subtype selectivity profile(selectivity index ≈ 117.23 for HDAC1),which was further verified by the Western blot analysis.Additionally,Cmpd.18 induced G2/M phase arrest and promoted apoptosis in HCT-116 cells,exerting desirable antiproliferative activity(IC50=2.59 μM).Furthermore,based on long-term MD simulation trajectory,the key residues facilitating Cmpd.18's binding were identified by decomposition free energy analysis,thereby elucidating its binding mechanism.Moreover,the representative conformation analysis also indicated that Cmpd.18 could stably bind to the active pocket in an effective conformation,thus demonstrating the potential for in-depth research of the 2-(2-phenoxyethyl)pyridazin-3(2H)-one scaffold.
3.Discovery of E0199:A novel compound targeting both peripheral Nav and Kv7 channels to alleviate neuropathic pain
Boxuan ZHANG ; Xiaoxing SHI ; Xingang LIU ; Yan LIU ; Xuedong LI ; Qi WANG ; Dongyang HUANG ; Weidong ZHAO ; Junru CUI ; Yawen CAO ; Xu CHAI ; Jiahao WANG ; Yang ZHANG ; Xiangyu WANG ; Qingzhong JIA
Journal of Pharmaceutical Analysis 2025;15(1):244-261
This research study focuses on addressing the limitations of current neuropathic pain(NP)treatments by developing a novel dual-target modulator,E0199,targeting both Nav1.7,Nay1.8,and Nay1.9 and Kv7 channels,a crucial regulator in controlling NP symptoms.The objective of the study was to synthesize a compound capable of modulating these channels to alleviate NP.Through an experimental design involving both in vitro and in vivo methods,E0199 was tested for its efficacy on ion channels and its therapeutic potential in a chronic constriction injury(CCI)mouse model.The results demonstrated that E0199 significantly inhibited Nav1.7,Nav1.8,and Nav1.9 channels with a particularly low half maximal inhibitory concentration(ICs0)for Nay1.9 by promoting sodium channel inactivation,and also effectively increased Kv7.2/73,Kv7.2,and Kv7.5 channels,excluding Kv7.1 by promoting potassium channel acti-vation.This dual action significantly reduced the excitability of dorsal root ganglion neurons and alle-viated pain hypersensitivity in mice at low doses,indicating a potent analgesic effect without affecting heart and skeletal muscle ion channels critically.The safety of E0199 was supported by neurobehavioral evaluations.Conclusively,E0199 represents a ground-breaking approach in NP treatment,showcasing the potential of dual-target small-molecule compounds in providing a more effective and safe thera-peutic option for NP.This study introduces a promising direction for the future development of NP therapeutics.
4.Discovery of E0199: A novel compound targeting both peripheral NaV and KV7 channels to alleviate neuropathic pain.
Boxuan ZHANG ; Xiaoxing SHI ; Xingang LIU ; Yan LIU ; Xuedong LI ; Qi WANG ; Dongyang HUANG ; Weidong ZHAO ; Junru CUI ; Yawen CAO ; Xu CHAI ; Jiahao WANG ; Yang ZHANG ; Xiangyu WANG ; Qingzhong JIA
Journal of Pharmaceutical Analysis 2025;15(1):101132-101132
This research study focuses on addressing the limitations of current neuropathic pain (NP) treatments by developing a novel dual-target modulator, E0199, targeting both NaV1.7, NaV1.8, and NaV1.9 and KV7 channels, a crucial regulator in controlling NP symptoms. The objective of the study was to synthesize a compound capable of modulating these channels to alleviate NP. Through an experimental design involving both in vitro and in vivo methods, E0199 was tested for its efficacy on ion channels and its therapeutic potential in a chronic constriction injury (CCI) mouse model. The results demonstrated that E0199 significantly inhibited NaV1.7, NaV1.8, and NaV1.9 channels with a particularly low half maximal inhibitory concentration (IC50) for NaV1.9 by promoting sodium channel inactivation, and also effectively increased KV7.2/7.3, KV7.2, and KV7.5 channels, excluding KV7.1 by promoting potassium channel activation. This dual action significantly reduced the excitability of dorsal root ganglion neurons and alleviated pain hypersensitivity in mice at low doses, indicating a potent analgesic effect without affecting heart and skeletal muscle ion channels critically. The safety of E0199 was supported by neurobehavioral evaluations. Conclusively, E0199 represents a ground-breaking approach in NP treatment, showcasing the potential of dual-target small-molecule compounds in providing a more effective and safe therapeutic option for NP. This study introduces a promising direction for the future development of NP therapeutics.
5.Discovery of selective HDAC6 inhibitors driven by artificial intelligence and molecular dynamics simulation approaches.
Xingang LIU ; Hao YANG ; Xinyu LIU ; Minjie MOU ; Jie LIU ; Wenying YAN ; Tianle NIU ; Ziyang ZHANG ; He SHI ; Xiangdong SU ; Xuedong LI ; Yang ZHANG ; Qingzhong JIA
Journal of Pharmaceutical Analysis 2025;15(8):101338-101338
Increasing evidence showed that histone deacetylase 6 (HDAC6) dysfunction is directly associated with the onset and progression of various diseases, especially cancers, making the development of HDAC6-targeted anti-tumor agents a research hotspot. In this study, artificial intelligence (AI) technology and molecular simulation strategies were fully integrated to construct an efficient and precise drug screening pipeline, which combined Voting strategy based on compound-protein interaction (CPI) prediction models, cascade molecular docking, and molecular dynamic (MD) simulations. The biological potential of the screened compounds was further evaluated through enzymatic and cellular activity assays. Among the identified compounds, Cmpd.18 exhibited more potent HDAC6 enzyme inhibitory activity (IC50 = 5.41 nM) than that of tubastatin A (TubA) (IC50 = 15.11 nM), along with a favorable subtype selectivity profile (selectivity index ≈ 117.23 for HDAC1), which was further verified by the Western blot analysis. Additionally, Cmpd.18 induced G2/M phase arrest and promoted apoptosis in HCT-116 cells, exerting desirable antiproliferative activity (IC50 = 2.59 μM). Furthermore, based on long-term MD simulation trajectory, the key residues facilitating Cmpd.18's binding were identified by decomposition free energy analysis, thereby elucidating its binding mechanism. Moreover, the representative conformation analysis also indicated that Cmpd.18 could stably bind to the active pocket in an effective conformation, thus demonstrating the potential for in-depth research of the 2-(2-phenoxyethyl)pyridazin-3(2H)-one scaffold.
6.Interpretation of the Screening Tool of Older Persons' Prescriptions and Screening Tool to Alert to Right Treatment
Xuedong JIA ; Wenjun JIAO ; Mingyue ZHANG ; Tingting LI ; Sufang CHEN ; Shuzhang DU
Chinese Journal of Geriatrics 2025;44(2):122-129
The Screening Tool of Older Persons' Prescriptions(STOPP)and the Screening Tool to Alert to Right Treatment(START)play a crucial role in identifying potentially inappropriate prescriptions among the elderly.As the aging population continues to grow, there is an urgent need for effective tools to address the challenges of multimorbidity and polypharmacy in elderly patients in China.However, the development of rational medication screening tools has significantly lagged, and there is currently a lack of sensitive and effective instruments in China.This article analyzes the newly added entries in the third edition of STOPP/START, aiming to provide a reference for managing multiple medication regimens and for the development of relevant tools for elderly patients in China.
7.Recent study on clinical use of Ciprofloxacin and Levofloxacin in underaged patients
Xiali YAO ; Rui ZHANG ; Xuedong JIA ; Xiaojian ZHANG ; Shuzhang DU ; Zhao YIN
Chinese Journal of Applied Clinical Pediatrics 2020;35(22):1757-1760
Fluoroquinolones are widely used in clinical practice, but their clinical application in juvenile patients has been controversial.The purpose of this study was to investigate the pharmacokinetic characteristics, indications and adverse reactions of Ciprofloxacin and Levofloxacin in minors.It is shown that the two drugs are effective for infectious diseases and no serious or persistent joint or skeletal muscle injury occurs in minors using the drugs.Hence, in the absence of alternatives, the benefits of Ciprofloxacin or Levofloxacin treatment for minors may outweigh the risks.
8.Study on the Protective Effects of Schisandrin A on Hepatic Fibrosis Induced by Carbon Tetrachloride in Mice and Its Mechanism
Xiaohui WANG ; Lin ZHOU ; Qiuzheng DU ; Yingying SHI ; Ziwei JING ; Liwei LIU ; Jun ZHANG ; Zhuolun LI ; Xuedong JIA ; Yaojuan CHU ; Zhi SUN ; Lihua ZUO ; Jian KANG ; Xiaojian ZHANG
China Pharmacy 2020;31(22):2725-2730
OBJECTIVE:To study the pr otective effect of schisandrin A (SA)on CCl 4-induced liver fibrosis model mice and its mechanism. METHODS :Mice were randomly divided into blank control group ,model group ,silymarin group (positive control,100 mg/kg),SA low-dose and high-dose groups (20,40 mg/kg),with 10 mice in each group. Except for blank control group,other groups were given CCl 4 subcutaneously to induce liver fibrosis model. After successful modeling ,administration groups were given relevant medicine intragastrically ,once a day ,for consecutive 6 weeks;blank control group and model group were given constant volume of 0.5%sodium carboxymethyl cellulose solution intragastrically by the same way. HE staining was used to observe the pathological changes of liver tissue in mice. UV spectrophotometry and ELISA assay were adopted to detect the serum levels of liver injury indexes (ALT and AST )and the contents of inflammatory factors (TNF-α,IL-1β,IL-6). Western blotting assay was used to detect the expression of NOD like receptor protein 3(NLRP3)/NF-κB and TGF-β/Smad signaling pathway protein. RESULTS :Compared with blank control group ,obvious pathological changes of liver fibrosis were observed in model group. The serum levels of liver injury indexes and contents of inflammatory factors were significantly increased (P<0.01). The expression of NLRP 3,apoptosis associated spot-like protein ,Caspase-1 and IL- 1β,TGF-β1 and ratios ofp-NF-κB p65/NF-κB p65,p-IκBα/IκBα,p-Samd3/Smad3 were increased significantly (P<0.01). Compared with model group ,SA could significantly relieve hepatic fibrosis in mice ,reduce serum levels of liver injury indexes and contents of inflammatory factors ,as well as the expression of NLRP 3/NF-κB and TGF-β/Smad signaling pathway protein and phosphorylation level(P<0.01). CONCLUSIONS : SA can effectively relieve liver injury and inflammation of CCl 4-induced hepatic fibrosis model mice ,which may be through the regulation of NLRP 3/NF-κB and TGF-β/Smad3 signaling pathways ,thus inhibiting the process of liver fibrosis.
9.Establishment and application of clinical discipline evaluation index system in cancer hospital based on Delphi method
Xuedong YAN ; Dan WANG ; Shuqin JIA
Chinese Journal of Medical Science Research Management 2020;33(2):96-101
Objective:To establish a scientific, directional and operable evaluation index system for clinical disciplines, which can meet the needs of discipline construction and is suitable for the evaluation and selection of various disciplines in oncology hospitals, so as to provide decision-making basis for discipline construction.Methods:Literature analysis and in-depth interview were used to draw up the preliminary evaluation index system. The index frame of subject evaluation was compiled, and the expert inquiry paper was compiled, and the index was added, subtracted and modified by Delphi method through two rounds of expert consultation. The index weight was determined by Analytic hierarchy process. Each index was given a specific scoring standard. The evaluation index system was used to test and analyze 22 clinical medical disciplines in the hospital. The total score of each discipline was calculated by weighted summation method. The validity of evaluation was judged by Spearman grade correlation analysis.Results:The clinical discipline evaluation index system consisted of 4 first-class indexes, 10 second-class indexes and 34 third-class indexes. The weights and scoring criteria of each index were determined. 22 disciplines were evaluated by the index system, which was divided into three grades: excellent, medium and poor.Conclusions:The evaluation index system of clinical discipline constructed in this study has high authoritative coefficient of experts, and the P value is less than 0.01.The evaluation results of 22 disciplines are highly correlated with those of experts, and the P value is less than 0.01. It has strong scientific validity and feasibility, and lays a foundation for the widespread application of clinical evaluation.
10.Exploration and practice of the closed-loop health management system of the West China Women and Children Alliance
Tianyu JIANG ; Jia LIU ; Xuedong WANG ; Yong PENG ; Jun TIAN ; Yi GUO ; Fei LEI ; Xue XIAO ; Ying SHAN ; Yuanjie LIU ; Jing NING ; Yanqiao WU ; Hanmin LIU
Chinese Journal of Hospital Administration 2020;36(7):600-603
As one of the main forms of the medical alliance, the specialty alliance functions as a service carrier for hierarchical medical service and resources integration in the region. The authors introduced the exploration and practice of the West China Women′s and Children′s Alliance, the first pediatric specialty alliance in Sichuan, established by the West China Second Hospital of Sichuan University. Based on family doctor contracted services, the West China Women′s and Children′s Alliance took such measures as differentiated functional positioning, assessment of certified physicians, continuous online quality control, construction of referral platforms, and innovative payment mechanisms. Such efforts effectively integrated the three stages of pre-hospital " preventive care" , in-hospital " disease diagnosis and treatment" , and post-hospital " follow-up management" , exploring the homogenization of medical services within the alliance, and forming a pediatric closed-loop health management system, hence improving the primary medical services.

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