1.Exploring Biological Characteristics of Rat Model of Atrial Fibrillation with Phlegm-heat and Blood Stasis Pattern Based on Metabolomics
Ailin HOU ; Yuxuan LIU ; Wenxi YU ; Xing JI ; Chan WU ; Dazhuo SHI ; Ying ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(5):245-255
ObjectiveTo establish an animal model of atrial fibrillation(AF) that accurately reflects the phlegm-heat and blood stasis(TRYZ) pathogenesis in traditional Chinese medicine. MethodsForty SPF-grade SD rats were randomly assigned using a random number table to the following groups:the control group, the TRYZ+AF group,the AF group and the TRYZ group, with ten rats in each group. The TRYZ+AF and TRYZ groups underwent a high-fat diet combined with intraperitoneal lipopolysaccharide(LPS) injection to simulate the pathological alterations of TRYZ syndrome. Groups TRYZ+AF and AF were induced with acetylcholine-calcium chloride(Ach-CaCl2) via caudal vein injection to induce AF. The control group received no intervention and was maintained under normal conditions. The modeling period lasted 3 weeks. Electrocardiography was used to assess AF episodes and duration, echocardiography evaluated left atrial dimensions and cardiac function, fully automated biochemical analyzer measured the levels of total cholesterol(TC), triglycerides(TG), high-density lipoprotein cholesterol(HDL-C) and low-density lipoprotein cholesterol(LDL-C), hemoreometer analyzed the whole blood viscosity, plasma viscosity, and whole blood reduced viscosity, a coagulation analyzer assessed prothrombin time(PT), activated partial thromboplastin time(APTT), thrombin time(TT), and fibrinogen(FIB), enzyme-linked immunosorbent assay(ELISA) was used to determine the levels of C-reactive protein(CRP), interleukin(IL)-1β, IL-6, IL-17, tumour necrosis factor(TNF)-α, matrix metalloproteinase-9(MMP-9), galectin-3(Gal-3), Collagen Ⅰ, and α-smooth muscle actin(α-SMA). Hematoxylin-eosin(HE) staining and Masson's trichrome staining were used to analyze pathological changes in atrial myocardium, Western blot was employed to detect MMP-9, Collagen Ⅰ and α-SMA protein expression in myocardial tissue, real-time quantitative polymerase chain reaction(Real-time PCR) evaluated fibrous factor gene expression levels. Changes in the TRYZ syndrome were assessed via body weight, tongue color[red(R), green(G), and blue(B)], and rectal temperature. Ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS) was employed to detect differential metabolites between the control group and the TRYZ+AF group. ResultsFollowing three weeks of sustained modeling, compared with the control group, rats in the TRYZ+AF and the TRYZ groups exhibited reduced body weight, dry faeces, elevated rectal temperature, dark red tongue, decreased RGB values on the tongue surface, and markedly elevated TC and LDL-C levels(P<0.05, P<0.01). The TRYZ+AF, TRYZ, and AF groups exhibited significantly decreased TT, APTT and PT, along with markedly elevated whole blood viscosity and FIB(P<0.05, P<0.01). Rats in the TRYZ+AF and AF groups exhibited AF rhythm, markedly decreased heart rate, prolonged RR intervals, enlarged left atrium, and significantly reduced ejection fraction and shortening fraction(P<0.05, P<0.01). Serum levels of CRP, IL-1β, IL-6, IL-17, TNF-α, MMP-9, Gal-3, Collagen Ⅰ, and α-SMA were elevated in rats from the TRYZ+AF, TRYZ, and AF groups compared to the control group, with the most pronounced increase observed in the TRYZ+AF group(P<0.05, P<0.01). Histopathology revealed that the collagen fiber deposition in the atrial of rats in the TRYZ+AF, TRYZ and AF groups was higher than that in the control group(P<0.05, P<0.01). Western blot and Real-time PCR results further demonstrated that the protein and mRNA expression levels of MMP-9, Collagen Ⅰ and α-SMA in the myocardial tissue of the TRYZ+AF group were higher than those in the other three groups(P<0.05, P<0.01). Metabolomic analysis revealed 173 differentially expressed metabolites in the TRYZ+AF group and the control group, primarily enriched in pathways such as glycerophospholipid metabolism and glycolysis/gluconeogenesis. ConclusionThis study successfully establishes a rat model of AF integrated with the TRYZ syndrome, demonstrating the pathological process where the interactions of phlegm, heat and stasis jointly trigger tremor, this provides a reliable experimental tool for in-depth research into the biological basis of this disease syndrome.
2.Drug resistance of multidrug-resistant organism in hospitalized children at a children's hospital in Hebei Province
SUN Ling ; LIU Yuanqing ; LIU Xinguang ; ZHANG Nan ; WEN Chan ; HAO Jianzong ; LI Mei
Journal of Preventive Medicine 2025;37(6):616-621
Objective:
To analyze the drug resistance of multidrug-resistant organism (MDRO) among hospitalized children in a children's hospital in Hebei Province from 2019 to 2023, so as to provide the basis for the rational clinical application of antibacterial drugs.
Methods:
Specimens including sputum, blood, urine, pus, bronchoalveolar lavage fluid, secretions, pleural fluid, and peritoneal fluid of hospitalized children from January 2019 to December 2023 were collected. Pathogen identification and drug susceptibility tests were performed on methicillin-resistant Staphylococcus aureus (MRSA), extended-spectrum β-lactamase-producing Escherichia coli (ESBLs-EC), extended-spectrum β-lactamase-producing Klebsiella pneumoniae (ESBLs-KP), carbapenem-resistant Klebsiella pneumoniae (CRKP), carbapenem-resistant Acinetobacter baumannii (CRAB), carbapenem-resistant Pseudomonas aeruginosa (CRPA) and carbapenem-resistant Escherichia coli (CREC). The department distribution, specimen distribution, and drug resistance of MDROs were analyzed.
Results:
A total of 279 086 samples were submitted for testing, with 3 512 MDROs detected. Among these, MRSA and ESBLs-EC had relatively high detection rates of 35.76% and 41.50%, respectively. In the internal medicine pediatric patients, 1 869 MDROs were detected, accounting for 53.22%. The main departments were respiratory medicine, neonatology, and intensive care. In the surgical department, 1 643 MDROs were detected, accounting for 46.78%, with the main sources being general surgery and cardiac surgery. The highest numbers of MDROs were detected in sputum, pus, and urine samples, with 1 372, 527, and 494 isolates, representing 39.07%, 15.01%, and 14.07%, respectively. The resistance rates of MRSA to penicillin, oxacillin, and erythromycin were between 81.76% and 100.00%. ESBLs-EC and ESBLs-KP had a resistance rate of 100.00% to ceftriaxone. CRKP had a resistance rate of 100.00% to ampicillin/sulbactam and imipenem. CRAB had a resistance rate of 100.00% to cefoxitin, imipenem, and meropenem. CRPA had a resistance rate of 100.00% to ampicillin/sulbactam, ceftriaxone, cefoxitin, and imipenem. CREC had a resistance rate of 100.00% to imipenem.
Conclusions
In a children's hospital in Hebei Province, infections with MDROs among hospitalized pediatric patients are primarily caused by MRSA and ESBLs-EC. These infections are mainly distributed in the departments of respiratory medicine, neonatology, intensive care, general surgery, and cardiac surgery, with the highest detection rates in sputum, pus, and urine samples. Additionally, MRSA, ESBLs-EC, ESBLs-KP, CRKP, CRAB, CRPA, and CREC show high resistance rate to most antimicrobial agents.
3.Application and data analysis of the cardio-cerebrovascular events monitoring system in Yichang
Zhengchao FANG ; Jiajuan YANG ; Chi HU ; Chan WU ; Yaling DENG ; Zhiying YU ; Jie ZHU ; Ling ZHANG
Journal of Public Health and Preventive Medicine 2025;36(6):95-98
Objective To analyze the monitoring data of cardio-cerebrovascular diseases prevention and control system in Yichang in 2022, and to provide data support and experience for the precise prevention and treatment of cardio-cerebrovascular diseases. Methods Acute cardiovascular and cerebrovascular event data were collected from the Yichang Cardio-cerebrovascular Events Monitoring System from January 1, 2022 to December 31, 2022. Descriptive analysis was conducted for the data collected. Statistical analysis was performed using SPSS 20.0 software, and a chi-square test was used to analyze the count data. Results A total of 37,217 cases of cardio-cerebrovascular events were monitored in Yichang in 2022. The crude incidence and the standardized incidence were 983.84/100,000 and 541.55/100,000, respectively. The incidence in males was higher than females (554.93/100,000 vs 428.91/100,000,χ2 =464.52,P<0.05). The top three diseases were cerebral infarction, acute myocardial infarction, and cerebral hemorrhage. The incidence of events increased with age, and 79.80% of the cases were over 60 years old. The main onset time was from May to August. Conclusion The use of the cardio-cerebrovascular events monitoring system in Yichang and the implementation of “mandatory reporting card” monitoring can timely obtain the epidemic characteristics of the diseases, provide support for the precise formulation of prevention and control strategies and measures, reduce underreporting rates, and improve the monitoring system, which is worthy of reference and promotion.
5.Characteristics of middle ear cholesteatoma with tympanicsclerosis.
Xin LIN ; Chan WANG ; Yujin LEI ; Xinyi ZHANG ; Xuehua MA ; Ningyu FENG
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2025;39(10):957-966
Objective:To compare the preoperative presentation, intraoperative findings, and postoperative outcomes between middle ear cholesteatoma with tympanosclerosis (MECwTS) and middle ear cholesteatoma without tympanosclerosis (MECw/oTS), thereby investigating the clinical characteristics of MECwTS. Methods:A retrospective analysis was conducted on the clinical data of 120 patients with middle ear cholesteatoma. Patients were divided into two groups based on the presence or absence of concomitant tympanosclerosis: the MECwTS group (n=49) and the MECw/oTS group (n=71). All patients underwent preoperative evaluations including temporal bone CT, otoscopic examination, pure-tone audiometry, tympanometry, and assessment using the Zurich Chronic Middle Ear Inventory (ZCMEI-21) quality of life scale. All patients underwent canal wall down mastoidectomy with tympanoplasty. Concurrent ossicular chain reconstruction was performed: partial ossicular replacement prosthesis (PORP) in 83 cases and total ossicular replacement prosthesis (TORP) in 37 cases. Intraoperative disease severity was assessed using the Cholesteatoma Comprehensive Score Scale (CCSS). Postoperative follow-up lasted at least one year and included pure-tone audiometry, otoscopic examination, and the ZCMEI-21 scale administered at ≥1 year post-surgery. Preoperative and postoperative air-bone gap (ABG) and ZCMEI-21 scores were compared between the MECwTS and MECw/oTS groups. Additionally, surgical efficacy was defined as a postoperative ABG ≤20 dB; the hearing improvement efficacy of PORP versus TORP was compared based on this criterion. Results: ①Preoperative ABG showed no significant difference between the MECw/oTS and MECwTS groups(P>0.05). Postoperative ABG was (18.65±10.21) dB in the MECw/oTS group versus (22.55±9.53) dB in the MECwTS group, demonstrating a statistically significant intergroup difference (P<0.05). ②Intraoperative CCSS scores were significantly higher in the MECwTS group (8.04±2.18) compared to the MECw/oTS group (5.93±1.44) (P<0.05). ③Preoperative ZCMEI-21 scores showed no significant difference between groups (P>0.05). Postoperative ZCMEI-21 scores were (22.24±8.11) in the MECw/oTS group versus (27.02±7.21) in the MECwTS group, indicating a statistically significant difference (P<0.05). ④Postoperative ABG ≤20 dB was achieved in 54 patients (65.06%, 54/83) in the PORP group and 16 patients (43.24%, 16/37) in the TORP group. This difference in efficacy rates was statistically significant (P<0.05). The overall efficacy rate for ossiculoplasty was 58.33% (70/120). Conclusion: Patients with MECwTS exhibit more severe middle ear and mastoid pathology compared to those with MECw/oTS, resulting in poorer postoperative hearing levels and quality of life outcomes. Both PORP and TORP implantation can improve postoperative hearing to some extent; however, PORP appears to offer superior hearing improvement efficacy compared to TORP.
Humans
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Cholesteatoma, Middle Ear/complications*
;
Retrospective Studies
;
Tympanoplasty
;
Myringosclerosis/surgery*
;
Female
;
Male
;
Adult
;
Middle Aged
;
Ossicular Replacement
;
Ossicular Prosthesis
;
Young Adult
;
Ear, Middle
;
Treatment Outcome
;
Mastoidectomy
;
Audiometry, Pure-Tone
;
Adolescent
;
Quality of Life
6.Amyloid-like fibrils derived from β-sheets of gp120 contribute to the neuronal pathology of HIV-associated neurocognitive disorders.
Chan YANG ; Ruyu WANG ; Chen CHENG ; Jiaqi YU ; Kunyu LU ; Haobin LI ; Jinshen WANG ; Guodong HU ; Hao YANG ; Jianfu HE ; Hao SU ; Qingping ZHAN ; Suiyi TAN ; Tong ZHANG ; Shuwen LIU
Acta Pharmaceutica Sinica B 2025;15(4):2273-2277
7.Pinelliae Rhizoma: a systematic review on botany, ethnopharmacology, phytochemistry, preclinical and clinical evidence.
Zuanji LIANG ; Jinchao WEI ; Sioi CHAN ; Siyuan ZHANG ; Li XU ; Chenxiao SHEN ; Zhangfeng ZHONG ; Yitao WANG
Chinese Journal of Natural Medicines (English Ed.) 2025;23(1):1-20
Pinelliae Rhizoma (PR), known as Banxia in Chinese, Hange in Japanese, and Banha in Korean, is a renowned herbal medicine in East Asia derived from the dry tuber of Pinellia ternata (Thunb.) Breit. (PT). It is extensively utilized in dispensing granules, classical prescriptions, and herbal formulas to treat various conditions, including cough, infection, phlegm, nausea, asthma, and inflammation. Despite numerous studies on PR and its classical prescriptions over recent decades, a comprehensive synthesis of available evidence regarding its multifunctional roles and therapeutic potential is lacking. This review aims to address this gap by examining emerging evidence from metabonomics, preclinical studies, and clinical trials, while exploring potential trends and prospects for future research. A systematic literature search was conducted across six electronic databases, including PubMed, Web of Science, Scopus, ScienceDirect, Wanfang, and China National Knowledge Infrastructure, to identify relevant articles on PR published until March 2023. PR contains 107 compounds with diverse pharmacological activities, including anti-inflammatory, immune regulatory, anti-viral, anti-cancer, anti-asthma, antitussive and expectorant, antioxidant, anti-obesity, anti-atherosclerosis, anti-microbial, emetic and anti-emetic, anti-convulsant and anti-epileptic, sedative and hypnotic, learning and memory enhancement, and anti-depressant effects. Metabonomic studies suggest that raw PR may exhibit cardiotoxicity and pregnancy toxicity while showing no apparent hepatorenal toxicity. However, limited pharmacokinetic investigations on PR constrain its clinical translation. Furthermore, clinical safety data on PR is scarce, with only four clinical trials assessing its positive effects in pediatric epilepsy, nausea and vomiting, soft tissue injury, and chronic sinus tract. This review aims to enhance understanding of PR and provide valuable information and recommendations for further research and development of herbal medicine.
Humans
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Pinellia/chemistry*
;
Animals
;
Ethnopharmacology
;
Drugs, Chinese Herbal/chemistry*
;
Phytochemicals/chemistry*
;
Rhizome/chemistry*
8.Relationship between Klotho,IGF-1,and Irisin in the placentas of pregnant rats and the intrauterine development of fetuses
Fang ZHANG ; Linlu ZHENG ; Chan WANG ; Mengmeng LI ; Yaying CHENG
Chongqing Medicine 2025;54(6):1281-1285,1292
Objective To investigate the relationship between Klotho,insulin-like growth factor-1(IGF-1),and Irisin in the placentas of pregnant rats and the intrauterine development of fetuses.Methods Thirty SD rats were divided into the intrauterine growth restriction(IUGR)experimental animal model group(IUGR group),the macrosomia experimental animal model group(macrosomia fetal group),and the control group ac-cording to different feeding diets(low-protein diet,high-protein diet,and normal diet).All pregnant mice were subjected to laparotomy for tissue sampling on the 21st day of pregnancy.The birth weight,body length,and placental mass of fetal rats were recorded.The relative mRNA expression levels of Klotho,IGF-1,and Irisin in the placentas were detected by quantitative real-time fluorescent reverse transcription-PCR(qRT-PCR),and the correlations between various factors above were analyzed.Results Compared with the control group,the birth weight,body length and placental mass of fetal rats in the IUGR group were lower,while those in the macrosomia fetal group were higher,with statistically significant differences(P<0.05).Compared with the control group,the relative mRNA expression levels of Klotho,IGF-1,and Irisin in the IUGR group were de-creased,while those in the macrosomia fetal group were increased,with statistically significant differences(P<0.05).Correlation analysis showed that Klotho mRNA was positively correlated with the relative expres-sion levels of placental IGF-1 mRNA and Irisin mRNA,and IGF-1 mRNA were also positively correlated with the relative expression level of placental Irisin mRNA(P<0.05).Conclusion Klotho,IGF-1,and Irisin in the placenta are associated with fetal growth and possibly regulated through the Klotho/IGF-1/Irisin axis.
9.Effects of dietary adjustment guided by body composition analysis on blood glucose,blood lipids,weight gain and pregnancy outcome in patients with gestational diabetes
Chan-Chan LIAO ; Hai-Xia XU ; Hong-Ping ZHANG
Parenteral & Enteral Nutrition 2025;32(1):42-47,53
Objective:To evaluate the effect of dietary adjustment guided by body composition analysis on blood glucose,,blood lipids,weight gain and pregnancy outcome in patients with gestational diabetes mellitus(GDM).Methods:A total of 122 GDM patients who had regular prenatal check-ups and gave birth at Wenzhou People's Hospital from May 2021 to October 2023 were selected as the research subjects and were randomly divided into Group A and Group B,with 61 cases in each group.Group A was given routine nutritional intervention with GDM,and Group B was adjusted their dietary structure based on body composition analysis.Another 50 normal pregnant women were selected as the control group.Three groups were compared for blood glucose,lipids,and body mass growth and pregnancy outcomes.Results:After intervention,the levels of FPG and 2hPG in the three groups were significantly decreased,while the levels of TC,TG,and LDL-C were significantly increased;The HbA1c levels in Group A and Group B were decreased significantly,while the HDL-C levels in the control group were significantly increased(P<0.05).After intervention,the levels of FPG,2hPG,HbA1c,TC,TG,and LDL-C in Group A were significantly higher than those in Group B and the control group(P<0.05).After intervention,the levels of FPG,TC,and LDL-C in group B were significantly higher than those in the control group(P<0.05).The predelivery body mass and increased body mass during pregnancy in Group A and Group B were significantly higher than those in the control group,while Group B was significantly lower than Group A(P<0.05).There was no significant difference in the compliance rate of body mass increase during pregnancy between the control group and group B(P>0.05),but both groups were significantly higher than group A(P<0.05).There was no significant difference in the cesarean section rate,pregnancy complications,and overall incidence of adverse perinatal outcomes between the control group and group B(P>0.05),but they were significantly lower than group A(P<0.05).Conclusion:Dietary structure adjustment guided body composition analysis can help to control blood glucose levels in GDM patients,maintain reasonable weight gain during pregnancy,reduce cesarean section rates,and reduce the risk of pregnancy complications and adverse perinatal outcomes.
10.Exploring the evolution of nutritional support strategies for acute pancreatitis from ESPEN guidelines
Chan-Juan CHEN ; Zi-Qi LIN ; Guo-Qing ZHANG ; Ke FENG ; Wen HU ; Zhi-Yong RAO
Parenteral & Enteral Nutrition 2025;32(4):246-251
Acute pancreatitis(AP)is a common digestive disorder associated with moderate to high nutritional risks,necessitating timely nutritional support.Over the past five decades,medical nutrition therapy for AP has undergone a paradigm shift,transitioning from traditional fasting based on the"pancreatic rest theory"to the current emphasis on early enteral feeding to"awaken the gut."Currently,nutritional treatment has become a cornerstone of comprehensive AP management.The European Society for Clinical Nutrition and Metabolism(ESPEN),founded in 1980,is a leading professional organization dedicated to advancing research,clinical practice,and education in clinical nutrition and metabolism.To date,ESPEN has published five evidence-based guidelines on nutritional management in pancreatic diseases.This article reviews the evolution of AP nutritional therapy as outlined in these ESPEN guidelines,highlighting key recommendations and their clinical implications.


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