1.Research progress in chemical constituents and pharmacological activities of Abelmoschi Corolla and prediction of its quality markers.
Shi-Han GUAN ; Chang LIU ; Xiao-Tong YAN ; Jin-Wei HAN ; Feng-Ting YIN ; Hui SUN ; Guang-Li YAN ; Ling KONG ; Ying HAN ; Xi-Jun WANG
China Journal of Chinese Materia Medica 2025;50(4):908-921
Abelmoschi Corolla, the dried corolla of Abelmoschus manihot, has anti-inflammatory, antioxidant, and anti-fibrosis activities. Its chemical constituents mainly include flavonoids, organic acids, steroids, and polysaccharides. This study reviewed the research progress in the chemical constituents and pharmacological activities of Abelmoschi Corolla in recent 20 years. According to the concept of quality marker(Q-marker), the Q-markers of Abelmoschi Corolla were predicted from plant phylogeny, chemical constituent specificity, traditional efficacy, chemical constituent measurability, and absorbed constituents. The primary Q-markers for Abelmoschi Corolla were anticipated to include quercetin-3'-O-β-D-glucopyranoside, gossypetin-8-O-β-D-glucuronide, isoquercetin, myricetin,quercetin, and hyperoside, with the aim of providing reference data for improving the quality evaluation system of Abelmoschi Corolla.
Abelmoschus/chemistry*
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Drugs, Chinese Herbal/pharmacology*
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Flowers/chemistry*
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Humans
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Animals
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Quality Control
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Flavonoids/chemistry*
2.Postmortem Diffusion of Aconitum Alkaloids and Their Metabolites in Rabbits
Jia-Hao LIANG ; Ming CHENG ; Xiao-Jun LU ; Yan-Hua SHI ; Yun SUN ; Qing-Lin GUAN ; Tao WANG ; Meng HU ; Ke-Ming YUN ; Hai-Yan CUI
Journal of Forensic Medicine 2024;40(2):186-191
Objective To explore the postmortem diffusion rule of Aconitum alkaloids and their metabo-lites in poisoned rabbits,and to provide a reference for identifying the antemortem poisoning or post-mortem poisoning of Aconitum alkaloids.Methods Twenty-four rabbits were sacrificed by tracheal clamps.After 1 hour,the rabbits were administered with aconitine LD50 in decocting aconite root powder by intragastric administration.Then,they were placed supine and stored at 25℃.The biological samples from 3 randomly selected rabbits were collected including heart blood,peripheral blood,urine,heart,liver,spleen,lung and kidney tissues at 0 h,4 h,8 h,12 h,24 h,48 h,72 h and 96 h after intragastric administration,respectively.Aconitum alkaloids and their metabolites in the biological samples were ana-lyzed by high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS).Results At 4 h after intragastric administration,Aconitum alkaloids and their metabolites could be detected in heart blood,peripheral blood and major organs,and the contents of them changed dynamically with the preservation time.The contents of Aconitum alkaloids and their metabolites were higher in the spleen,liver and lung,especially in the spleen which was closer to the stomach.The average mass fraction of benzoylmesaconine metabolized in rabbit spleen was the highest at 48 h after intragastric administration.In contrast,the contents of Aconitum alkaloids and their metabolites in kidney were all lower.Aconi-tum alkaloids and their metabolites were not detected in urine.Conclusion Aconitum alkaloids and their metabolites have postmortem diffusion in poisoned rabbits,diffusing from high-content organs(stomach)to other major organs and tissues as well as the heart blood.The main mechanism is the dispersion along the concentration gradient,while urine is not affected by postmortem diffusion,which can be used as the basis for the identification of antemortem and postmortem Aconitum alkaloids poisoning.
3.Logistics operation and management of public hospitals based on the"one center,four platforms"model
Miao SHI ; Yongren WU ; Jun SHAO ; Desai GUAN ; Jun WANG ; Peng SUN ; Chenggang GUO
Modern Hospital 2024;24(2):271-274,279
Objective To evaluate the effectiveness of a hospital logistics operation and management based on the"one center,four platforms"model.Methods In line with the grading evaluation standards for hospital intelligent management,we used technologies such as big data,Internet of Things,Internet Plus,and artificial intelligence to develop a"one center,four platforms"model.This model consisted of a logistics intelligent operation and maintenance management center,an equipment control information platform,a security prevention information platform,an energy consumption monitoring information platform,and an operation management information platform.Results The equipment fault resolution capability,enhanced by the"smart linkage",showed a significant improvement.In 2022,false alarms decreased by 28.63%compared to 2021,with high-level and ordinary-level alarms decreasing by 69.53%and 33.15%,respectively.The"one-stop"logistics service capability was signifi-cantly improved,as indicated by a 2.92%decrease in maintenance frequency in 2022 compared to 2021.This improvement was further reflected in the quality of maintenance and a decrease in the repeated maintenance occurrences.The energy consumption control capability,based on the"data mining",showed a significant improvement,with an 8.71%year-on-year decrease in en-ergy expenditure of ten thousand yuan in 2022 compared to 2021.Conclusion The"one center,four platforms"model can sig-nificantly enhance the efficiency of logistics operation and maintenance management.
4.Small molecule deoxynyboquinone triggers alkylation and ubiquitination of Keap1 at Cys489 on Kelch domain for Nrf2 activation and inflammatory therapy
Linghu KE-GANG ; Zhang TIAN ; Zhang GUANG-TAO ; Lv PENG ; Zhang WEN-JUN ; Zhao GUAN-DING ; Xiong SHI-HANG ; Ma QIU-SHUO ; Zhao MING-MING ; Chen MEIWAN ; Hu YUAN-JIA ; Zhang CHANG-SHENG ; Yu HUA
Journal of Pharmaceutical Analysis 2024;14(3):401-415
Activation of nuclear factor erythroid 2-related factor 2(Nrf2)by Kelch-like ECH-associated protein 1(Keap1)alkylation plays a central role in anti-inflammatory therapy.However,activators of Nrf2 through alkylation of Keap1-Kelch domain have not been identified.Deoxynyboquinone(DNQ)is a natural small molecule discovered from marine actinomycetes.The current study was designed to investigate the anti-inflammatory effects and molecular mechanisms of DNQ via alkylation of Keap1.DNQ exhibited signif-icant anti-inflammatory properties both in vitro and in vivo.The pharmacophore responsible for the anti-inflammatory properties of DNQ was determined to be the α,β-unsaturated amides moieties by a chemical reaction between DNQ and N-acetylcysteine.DNQ exerted anti-inflammatory effects through activation of Nrf2/ARE pathway.Keap1 was demonstrated to be the direct target of DNQ and bound with DNQ through conjugate addition reaction involving alkylation.The specific alkylation site of DNQ on Keap1 for Nrf2 activation was elucidated with a synthesized probe in conjunction with liquid chromatography-tandem mass spectrometry.DNQ triggered the ubiquitination and subsequent degra-dation of Keap1 by alkylation of the cysteine residue 489(Cys489)on Keap1-Kelch domain,ultimately enabling the activation of Nrf2.Our findings revealed that DNQ exhibited potent anti-inflammatory capacity through α,β-unsaturated amides moieties active group which specifically activated Nrf2 signal pathway via alkylation/ubiquitination of Keap1-Kelch domain,suggesting the potential values of targeting Cys489 on Keap1-Kelch domain by DNQ-like small molecules in inflammatory therapies.
5.Emerging role of Jumonji domain-containing protein D3 in inflammatory diseases
Li XIANG ; Chen RU-YI ; Shi JIN-JIN ; Li CHANG-YUN ; Liu YAN-JUN ; Gao CHANG ; Gao MING-RONG ; Zhang SHUN ; Lu JIAN-FEI ; Cao JIA-FENG ; Yang GUAN-JUN ; Chen JIONG
Journal of Pharmaceutical Analysis 2024;14(9):1282-1300
Jumonji domain-containing protein D3(JMJD3)is a 2-oxoglutarate-dependent dioxygenase that specif-ically removes transcriptional repression marks di-and tri-methylated groups from lysine 27 on histone 3(H3K27me2/3).The erasure of these marks leads to the activation of some associated genes,thereby influencing various biological processes,such as development,differentiation,and immune response.However,comprehensive descriptions regarding the relationship between JMJD3 and inflammation are lacking.Here,we provide a comprehensive overview of JMJD3,including its structure,functions,and involvement in inflammatory pathways.In addition,we summarize the evidence supporting JMJD3's role in several inflammatory diseases,as well as the potential therapeutic applications of JMJD3 inhibitors.Additionally,we also discuss the challenges and opportunities associated with investigating the functions of JMJD3 and developing targeted inhibitors and propose feasible solutions to provide valuable insights into the functional exploration and discovery of potential drugs targeting JMJD3 for inflammatory diseases.
6.Expert consensus on ethical requirements for artificial intelligence (AI) processing medical data.
Cong LI ; Xiao-Yan ZHANG ; Yun-Hong WU ; Xiao-Lei YANG ; Hua-Rong YU ; Hong-Bo JIN ; Ying-Bo LI ; Zhao-Hui ZHU ; Rui LIU ; Na LIU ; Yi XIE ; Lin-Li LYU ; Xin-Hong ZHU ; Hong TANG ; Hong-Fang LI ; Hong-Li LI ; Xiang-Jun ZENG ; Zai-Xing CHEN ; Xiao-Fang FAN ; Yan WANG ; Zhi-Juan WU ; Zun-Qiu WU ; Ya-Qun GUAN ; Ming-Ming XUE ; Bin LUO ; Ai-Mei WANG ; Xin-Wang YANG ; Ying YING ; Xiu-Hong YANG ; Xin-Zhong HUANG ; Ming-Fei LANG ; Shi-Min CHEN ; Huan-Huan ZHANG ; Zhong ZHANG ; Wu HUANG ; Guo-Biao XU ; Jia-Qi LIU ; Tao SONG ; Jing XIAO ; Yun-Long XIA ; You-Fei GUAN ; Liang ZHU
Acta Physiologica Sinica 2024;76(6):937-942
As artificial intelligence technology rapidly advances, its deployment within the medical sector presents substantial ethical challenges. Consequently, it becomes crucial to create a standardized, transparent, and secure framework for processing medical data. This includes setting the ethical boundaries for medical artificial intelligence and safeguarding both patient rights and data integrity. This consensus governs every facet of medical data handling through artificial intelligence, encompassing data gathering, processing, storage, transmission, utilization, and sharing. Its purpose is to ensure the management of medical data adheres to ethical standards and legal requirements, while safeguarding patient privacy and data security. Concurrently, the principles of compliance with the law, patient privacy respect, patient interest protection, and safety and reliability are underscored. Key issues such as informed consent, data usage, intellectual property protection, conflict of interest, and benefit sharing are examined in depth. The enactment of this expert consensus is intended to foster the profound integration and sustainable advancement of artificial intelligence within the medical domain, while simultaneously ensuring that artificial intelligence adheres strictly to the relevant ethical norms and legal frameworks during the processing of medical data.
Artificial Intelligence/legislation & jurisprudence*
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Humans
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Consensus
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Computer Security/standards*
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Confidentiality/ethics*
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Informed Consent/ethics*
8.Distribution of memory B cell subsets in peripheral blood of children with frequently relapsing nephrotic syndrome.
Wen-Jun YUAN ; Jin CHENG ; Chun-Mei LIU ; Jun-Han LIU ; Meng-Yue SHI ; Shu-Wen LU ; Feng-Jun GUAN
Chinese Journal of Contemporary Pediatrics 2023;25(2):172-178
OBJECTIVES:
To investigate the change in the distribution of memory B cell subsets in children with frequently relapsing nephrotic syndrome (FRNS) during the course of the disease.
METHODS:
A total of 35 children with primary nephrotic syndrome (PNS) who attended the Department of Pediatrics of the Affiliated Hospital of Xuzhou Medical University from October 2020 to October 2021 were enrolled as subjects in this prospective study. According to the response to glucocorticoid (GC) therapy and frequency of recurrence, the children were divided into two groups: FRNS (n=20) and non-FRNS (NFRNS; n=15). Fifteen children who underwent physical examination were enrolled as the control group. The change in memory B cells after GC therapy was compared between groups, and its correlation with clinical indicators was analyzed.
RESULTS:
Before treatment, the FRNS and NFRNS groups had significantly increased percentages of total B cells, total memory B cells, IgD+ memory B cells, and IgE+ memory B cells compared with the control group, and the FRNS group had significantly greater increases than the NFRNS group (P<0.05); the FRNS group had a significantly lower percentage of class-switched memory B cells than the NFRNS and control groups (P<0.05). After treatment, the FRNS and NFRNS groups had significant reductions in the percentages of total B cells, total memory B cells, IgM+IgD+ memory B cells, IgM+ memory B cells, IgE+ memory B cells, IgD+ memory B cells, and IgG+ memory B cells (P<0.05) and a significant increase in the percentage of class-switched memory B cells (P<0.05). The FRNS group had a significantly higher urinary protein quantification than the NFRNS and control groups (P<0.05) and a significantly lower level of albumin than the control group (P<0.05). In the FRNS group, urinary protein quantification was negatively correlated with the percentage of class-switched memory B cells and was positively correlated with the percentage of IgE+ memory B cells (P<0.05).
CONCLUSIONS
Abnormal distribution of memory B cell subsets may be observed in children with FRNS, and the percentages of IgE+ memory B cells and class-switched memory B cells can be used as positive and negative correlation factors for predicting recurrence after GC therapy in these children.
Child
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Humans
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B-Lymphocyte Subsets/metabolism*
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Immunoglobulin E
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Immunoglobulin M
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Nephrotic Syndrome/immunology*
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Prospective Studies
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Glucocorticoids/therapeutic use*
9.Therapeutic Efficacy of Shexiang Baoxin Pill Combined with Exercise in Patients with Heart Failure with Preserved Ejection Fraction: A Single-Center, Double-Blind, Randomized Controlled Trial.
Si-Pei LIU ; Jian-Guan ZHOU ; Yan JIN ; Yan GUO ; Shi-Wei ZHOU ; Mei-Lan LIN ; Jun ZHANG ; Xiao-Nv WANG ; Xia-Fei GUAN ; Lei WANG
Chinese journal of integrative medicine 2023;29(2):99-107
OBJECTIVE:
To evaluate the therapeutic efficacy of Shexiang Baoxin Pill combined with exercise in heart failure patients with preserved ejection fraction (HFpEF).
METHODS:
Sixty patients with HFpEF were randomly divided into group A (n=20), receiving Shexiang Baoxin Pill combined with home-based exercise training based on conventional drugs for 12 weeks; group B (n=20), receiving conventional drugs combined with home-based exercise training for 12 weeks; and group C (n=20), receiving conventional drug treatment only. Peak oxygen uptake (peakVO2), anaerobic threshold (AT), 6-min walking test (6MWT), Pittsburgh Sleep Quality Index (PSQI), and SF-36 questionnaire (SF-36) results before and after treatment were compared among groups.
RESULTS:
After the 12-week intervention, patients in group C showed significant declines in peakVO2, AT, 6MWT, PSQI, and SF-36 compared with pre-treatment (P<0.01), while groups A and B both showed significant improvements in peakVO2, AT, 6MWT, PSQI, and SF-36 results compared with pre-treatment (P<0.01). Compared with group C, patients in groups A and B showed significant improvements in peakVO2, AT, 6MWT, PSQI, and SF-36 (P<0.01). In addition, patients in group A showed more significant improvements in physical function, role-physical, vitality, and mental health scores on the SF-36 questionnaire, and PSQI scores than those in group B (P<0.01).
CONCLUSIONS
Exercise training improved exercise tolerance, sleep quality and quality of life (QoL) in patients with HFpEF. Notably, Shexiang Baoxin Pill played an active role in sleep quality and QoL of patients with HFpEF. (The trial was registered in the Chinese Clinical Trial Registry (No. ChiCTR2100054322)).
Humans
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Heart Failure/therapy*
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Quality of Life
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Stroke Volume
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Exercise
10.Bladder-sparing treatment following noninvasive down-staging after transurethral resection of bladder tumor plus systemic chemotherapy for muscle-invasive bladder cancer
Youyan GUAN ; Xingang BI ; Jun TIAN ; Zhendong XIAO ; Zejun XIAO ; Dong WANG ; Kaopeng GUAN ; Hongzhe SHI ; Linjun HU ; Chuanzhen CAO ; Jie WU ; Changling LI ; Jianhui MA ; Yueping LIU ; Aiping ZHOU ; Jianzhong SHOU
Chinese Journal of Urology 2022;43(6):411-415
Objective:To investigate the long-term survival and safety in patients with muscle-invasive bladder cancer (MIBC) who experienced a noninvasive down-staging (≤pT 1)after transurethral resection of bladder tumor (TURBT) plus systemic chemotherapy and received bladder-sparing treatment. Methods:The records of patients with MIBC who underwent maximal TURBT plus systemic chemotherapy-guided bladder-sparing treatment were reviewed retrospectively from Dec 2013 to Dec 2020. Eventually, 22 patients who achieved noninvasive down-staging underwent conservative management. The total patient cohort contained 10 males and 12 females. A majority of patients had single lesion and stage T2 disease. The median age of the patients was 66 years and the median tumor size was 3.0 cm. All patients underwent maximal TURBT to resect all visible diseases and followed by 3-4 cycles platinum-based systemic chemotherapy. After achieving noninvasive down-staging, 14 patients received concurrent chemoradiotherapy, and the other 8 patients underwent surveillance. Overactive bladder symptom score (OABSS) was used to assess the bladder function after treatment.Results:Twelve patients achieved pT 0 and 10 patients were down-staged to cT a-T 1. At a median follow-up of 36.7 months, 90.9%(20/22) patients retained their bladder function successfully. Among the 14 patients who received concurrent chemoradiotherapy, 4 had grade 3 or 4 adverse events. Among the 8 patients who underwent surveillance, 3 had grade 3 or 4 adverse events after systemic chemotherapy.Nine patients experienced tumor recurrence in the bladder, and 2 patients died of bladder cancer. Seven (31.8%) patients experienced Ⅲ/Ⅳ grade complications. The 5-year recurrence-free survival (RFS) and overall survival (OS) in patients achieved pT0 were 66.7% and 100.0%, respectively. The 5-year RFS and OS in patients achieved cTa-T1 were 40% and 72%, respectively. The OABSS score of 20 patients who retained their bladder successfully was (1.00±1.03). Conclusions:MIBC patients who achieved noninvasive down-staging might be candidates for the bladder-sparing treatment with maximum TURBT followed by systemic chemotherapy.The patients who achieved pT 0 might have better prognosis with functional bladder.

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