1.Root rot and control of Panax quinquefolium: a review.
Rao-Jing LI ; Jia-le LIU ; Jian ZHANG ; Juan CHEN
China Journal of Chinese Materia Medica 2025;50(9):2317-2323
Panax quinquefolium, also known as American ginseng, is a perennial herb in the Araliaceae family. It has the effects of replenishing Qi and nourishing Yin, clearing heat and generating saliva. Additionally, it has protective effects on the nerves, improves myocardial ischemia and hypoxia, regulates metabolism, enhances the body's immunity, and is known as "green gold". However, with the development of the industry and the expansion of planting scales, P. quinquefolium faces serious disease issues that are difficult to prevent and control. Among these, root rot, often referred to as "plant cancer", is one of the most destructive plant diseases affecting the yield and quality of P. quinquefolium. P. quinquefolium root rot is caused by the fungi Fusarium(genus) and Ilyonectria(genus), which severely affect the root system and limit the production and quality of P. quinquefolium, thus restricting the development of the P. quinquefolium industry. In recent years, research on P. quinquefolium root rot has attracted significant attention and made some progress. However, the mechanisms of interaction between the root rot pathogens and the host plant remain unclear. This paper reviews the research progress on the pathogens, infection cycle, disease prevalence, pathogenesis, and biological control of P. quinquefolium root rot to provide prospects for future research, aiming to provide references for the in-depth study and effective control of root rot, and to promote the green and healthy development of the P. quinquefolium industry.
Panax/microbiology*
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Plant Diseases/prevention & control*
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Plant Roots/microbiology*
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Fusarium/pathogenicity*
2.Research progress on pentacyclic triterpenoids in medicinal Ilex species and their pharmacological activities.
Yu-Ling LIU ; Yi-Ran WU ; Bao-Lin WANG ; Xiao-Wei SU ; Qiu-Juan CHEN ; Yi RAO ; Shi-Lin YANG ; Li-Ni HUO ; Hong-Wei GAO
China Journal of Chinese Materia Medica 2025;50(12):3252-3266
Traditional Chinese medicine(TCM) capable of clearing heat and removing toxin is most commonly used in clinical practice and has the effect of removing fire-heat and toxin. Studies have shown that most of the Ilex plants have the effect of clearing heat and removing toxin, among which the varieties of I. cornuta, I. pubescens, I. rotunda, I. latifolia, and I. chinensis are most widely used. These plants generally contain triterpenoids and their glycosides, alkaloids, flavonoids, phenylpropanoids, and other chemical components, especially pentacyclic triterpenoids. According to their skeletons, pentacyclic triterpenoids can be divided into the oleanane type, the ursane type, the lupinane type, etc. Among them, ursane-type components are the most abundant, and 136 species have been found so far. These components have been proved to have pharmacological effects such as anti-inflammatory, anti-tumor, hypolipidemic, anti-thrombosis, cardiomyocyte-protective, antibacterial, and hepatoprotective effects. Therefore, this paper systematically reviews the domestic and foreign literature on Ilex plants with a focus on the research progress on pentacyclic triterpenoids and their pharmacological activities, aiming to provide reference for the development of TCM resources with the effect of clearing heat and removing toxin.
Ilex/chemistry*
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Plants, Medicinal/chemistry*
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Pentacyclic Triterpenes/pharmacology*
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Medicine, Chinese Traditional
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Drugs, Chinese Herbal/pharmacology*
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Humans
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Animals
3.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.
4.Prevalence of seven zoonotic pathogens in small mammals in the Qinghai plateau region
Hong-Bing CHENG ; Yi-Ping LIU ; Jia CUI ; Hua-Xiang RAO ; Dong-Mei LI ; Juan YU
Chinese Journal of Zoonoses 2024;40(9):880-886
This study investigated the prevalence of Borrelia burgdorferi,Anaplasma phagocy tophilum,Rickettsia typhi,Orientia tsutsugamushi,Leptospira interrogans,Francisella tularensis,and Babesia spp.in small mammals in the Qinghai plateau region,to provide a scientific basis for the prevention and control of local zoonotic diseases.Small mammals were cap-tured with snap traps at six sampling sites in the Qinghai plateau region.Liver,spleen,and kidney tissues were collected for detection of six bacterial pathogens with real-time PCR.Conventional PCR(cPCR)was used for Babesia detection,and the positive PCR products were sequenced and analyzed.The differences in pathogen detection rates among species and habitats were analyzed with x2 test or Fisher's exact test.In to-tal,235 small mammals from 15 species were captured.B.burgdorferi,L.interrogans,and Babesia were detected in 11 spe-cies of small mammals,whereas A.phagocytophilum,R.typhi,O.tsutsugamushi,and F.tularensis were not detected.B.burgdorferi was detected in 41 small mammals from nine species(Cricetulus longicaudatus,Apodemus peninsulae,Ochotona curzoniae,Mus m usc ulus,Meriones meridians,Microtus arvalis,Cricetidae,Ochotona cansus,and Allactaga sibirica),with an infection rate of 17.45%(41/235).L.interrogans was detected in eight small mammals from four species(C.longicaudatus,M.musculus,M.arvalis,and Microtus oeconomus),with an infection rate of 3.40%(8/235).Babesia was detected in only one Mustela altaica,with an infection rate of 0.85%(1/235).Statistically significant differences were ob-served in the detection rates of pathogens among small mammal species(x2=200.54,P<0.05).Among habitats,the detection rate of B.burgdorferi was highest in the forest(Fisher's exact test,P<0.05).B.burgdorferi and L.interrogans co-infection was observed in three M.arvalis and two C.longicaudatus.In addition,one Babesia sequence was obtained,which clustered with Babesia vulpes in the phylogenetic tree.B.burgdorferi,L.interrogans,and Babesia were the main pathogens prevalent in small mammals in the Qinghai plateau region and have potential to cause human diseases.Local authori-ties should strengthen the surveillance of corresponding zoonotic diseases,and formulate corresponding prevention and control measures.
5.Outbreak investigation of a campus bacterial dysentery by water source pollution in Lhasa City
RAO Juan, CI Rendeji, SUO Langdeji, CI Renyangzong
Chinese Journal of School Health 2024;45(3):427-430
Objective:
To investigate risk factors and the nature of the outbreak of bacillary dysentery in Lhasa City, so as to customize targeted prevention and control measures.
Methods:
Using on site epidemiological investigation, the suspected, probable and confirmed cases of bacillary dysentery in one school and one kindergarten in Lhasa City from June 26 to July 1, 2022 were collected, and additional cases were identified through interview from school staffs and family members, reviewing morning examination records and tracking records of school illness related absence. A case control study was conducted to investigate suspicious meals and drinking raw water, and polymerase chain reaction (PCR) was performed to detect Shigella line nucleic acid fragment in the patients feces, anal swabs, retained food, and terminal water.
Results:
A total of 55 cases were found in two schools, with the prevalence rate of 15.41% in total and 16.71% in students ( n =53), 7.5% in staff ( n =2). The epidemic curve was suggestive of a point source exposure. The prevalence rate among students who walk to school and students who live in the school showed no difference (16.10%,17.09%)( χ 2=0.05, P >0.05), and the prevalence rate was higher among elementary school students than kindergarten students (19.83%,6.67%)( χ 2=7.13, P <0.05). Case control comparisons showed a direct association between drinking raw water and morbidity in the case and control groups during June 24-26 ( OR=4.01, 95%CI =1.75-9.19, P < 0.05). A total of 23 fecal Shigella nucleic acid positives were detected from the two schools, two from the end water in front of the cafeteria door, and two from sludge in the sewage pipe around the wellhead.
Conclusions
The outbreak of bacillary dysentery is caused by the contamination of the pipe network water. Health administrative departments should improve the supervision and management of drinking water health safety, and schools should strengthen the management of water supply facilities for effectively prevent of waterborne infectious disease outbreaks.
6.Expert Consensus on the Technical Process for Preoperative Three-Dimensional Planning of Total Hip Arthroplasty Using a Dual Fluoroscopic Imaging System(2024 Version)
Juan WANG ; Huiwu LI ; Pei YANG ; Li CAO ; Yunsu CHEN ; Eryou FENG ; Zhenpeng GUAN ; Wei HUANG ; Pengfei LEI ; Chunbao LI ; Pingyue LI ; Xiaoming LI ; Zhitao RAO ; Hua TIAN ; Peijian TONG ; Fei WANG ; Guangji WANG ; Liao WANG ; Wei WANG ; Yayi XIA ; Peng XU ; Qi YAO ; Tengbo YU ; Guoqiang ZHANG ; Zongke ZHOU ; Kunzheng WANG ; Tsungyuan TSAI ; Zhiyong HOU
Journal of Medical Biomechanics 2024;39(6):1016-1025
Total hip arthroplasty(THA)is an effective treatment for elderly femoral neck fractures,mid-to late-stage femoral head necrosis,and end-stage hip osteoarthritis.However,serious complications such as aseptic loosening of the prosthesis,peripheral fractures,and dislocation of the prosthesis still exist following THA,which makes the selection of the appropriate hip prosthesis type and placement position before THA an important challenge for surgeons.Currently,the commonly used preoperative planning methods for THA mainly rely on static images from two-dimensional(2D)X-ray or three-dimensional(3D)computed tomography(CT),which fail to adequately consider the hip joint in weight-bearing as well as motion,lumbar-hip joint changes,and prosthetic impingement during motion.Recently,the dual fluoroscopic imaging system,as a new in-vivo,dynamic radiological imaging technology,provides comprehensive and accurate dynamic 3D data for THA preoperative planning.However,the technical process and expert consensus on preoperative 3D planning of THA using a dual fluoroscopic imaging system have not yet been established,which affects the promotion and application of this technology.In light of the above,national orthopaedic experts and related professional representatives discussed and proposed seven consensus issues,and the'expert recommendation rate'and'strong recommendation rate'were obtained through a questionnaire survey on the recommendations of the participating experts.This consensus aims to provide guidance and reference for the standardised application of preoperative 3D planning of THA using the dual fluoroscopic imaging system.
7.Expert Consensus on the Technical Process for Preoperative Three-Dimensional Planning of Total Hip Arthroplasty Using a Dual Fluoroscopic Imaging System(2024 Version)
Juan WANG ; Huiwu LI ; Pei YANG ; Li CAO ; Yunsu CHEN ; Eryou FENG ; Zhenpeng GUAN ; Wei HUANG ; Pengfei LEI ; Chunbao LI ; Pingyue LI ; Xiaoming LI ; Zhitao RAO ; Hua TIAN ; Peijian TONG ; Fei WANG ; Guangji WANG ; Liao WANG ; Wei WANG ; Yayi XIA ; Peng XU ; Qi YAO ; Tengbo YU ; Guoqiang ZHANG ; Zongke ZHOU ; Kunzheng WANG ; Tsungyuan TSAI ; Zhiyong HOU
Journal of Medical Biomechanics 2024;39(6):1016-1025
Total hip arthroplasty(THA)is an effective treatment for elderly femoral neck fractures,mid-to late-stage femoral head necrosis,and end-stage hip osteoarthritis.However,serious complications such as aseptic loosening of the prosthesis,peripheral fractures,and dislocation of the prosthesis still exist following THA,which makes the selection of the appropriate hip prosthesis type and placement position before THA an important challenge for surgeons.Currently,the commonly used preoperative planning methods for THA mainly rely on static images from two-dimensional(2D)X-ray or three-dimensional(3D)computed tomography(CT),which fail to adequately consider the hip joint in weight-bearing as well as motion,lumbar-hip joint changes,and prosthetic impingement during motion.Recently,the dual fluoroscopic imaging system,as a new in-vivo,dynamic radiological imaging technology,provides comprehensive and accurate dynamic 3D data for THA preoperative planning.However,the technical process and expert consensus on preoperative 3D planning of THA using a dual fluoroscopic imaging system have not yet been established,which affects the promotion and application of this technology.In light of the above,national orthopaedic experts and related professional representatives discussed and proposed seven consensus issues,and the'expert recommendation rate'and'strong recommendation rate'were obtained through a questionnaire survey on the recommendations of the participating experts.This consensus aims to provide guidance and reference for the standardised application of preoperative 3D planning of THA using the dual fluoroscopic imaging system.
8.Preliminary Investigation of the Molecular Mechanism of Empagliflozin Suppressing Gastric Cancer Through Mammalian Target of Rapamycin
Huiling RAO ; Wang CHENG ; Juan YU ; Xiaotong AN ; Haojun DENG ; Zhaoyang ZHANG ; Fuyun WU ; Fuyun JI ; Shan LI
Journal of Sichuan University (Medical Sciences) 2023;54(6):1146-1153
Objective To predict the intervention targets of empagliflozin(EMPA),a specific inhibitor of sodium-glucose cotransporter 2(SGLT2),in gastric adenocarcinoma through comprehensive network pharmacology,and to validate the effects and the molecular mechanisms of EMPA through cellular and molecular biology experiments.Methods Bioinformatics analysis of gastric adenocarcinoma was conducted to assess the correlation between gastric adenocarcinoma prognosis and SGLT2 expression.Network pharmacology was utilized to identify shared targets of EMPA and gastric adenocarcinoma.AGS cells,a human gastric adenocarcinoma cells line,were incubated with EMPA at different concentrations for 24 h and,then,cell proliferation was assessed using the CCK8 assay.After AGS cells were incubated with EMPA at the doses of 0,3,and 6 mmol/L,real-time cell analysis(RTCA)and 5-ethynyl-2-deoxyuridine(EdU)incorporation were used to evaluate EMPA's inhibitory effects on the proliferation of the AGS cells.In addition,wound healing and Transwell assays were performed to assess the inhibitory effect of EMPA on the migration and invasion of the APC cells and Western blot analysis was conducted to examine the expression of mammalian target of rapamycin(mTOR)and phosphorylated mTOR(p-mTOR).BALB/c(nu/nu)nude mice were implanted with 5x106 AGS cells in the axilla.The mice were divided into three groups,a control group,a low-dose group,and a high-dose group,each consisting of 7 mice.After one week,the control group received daily intraperitoneal injections of normal saline,while the low-dose group and high-dose group received daily intraperitoneal injections of EMPA at the doses of 3 mg/kg and 5 mg/kg,respectively.The tumor volume was measured one week after the drug intervention started.Results Gastric adenocarcinoma patients with low expression of SGLT2 exhibited longer survival time and higher survival rate than those with high expression of SGLT2 did.A total of 104 EMPA-related potential targets and 2028 targets associated with gastric adenocarcinoma were identified.Among these,45 targets associated with gastric adenocarcinoma overlapped with potential targets of EMPA.Further analysis revealed 10 relevant pathways and 4 core genes.The core genes were cyclin-dependent kinase 4(CDK4),glyceraldehyde-3-phosphate dehydrogenase(GAPDH),mTOR,and cyclin El(CCNE1).CCK-8 assay revealed that EMPA at concentrations ranging from 0.39 to 50 mmol/L effectively inhibited the proliferation of AGS cells.RTCA results indicated a downward shift in the cell growth curve.In comparison to the findings for the control group,EdU assay demonstrated that EMPA at the concentrations of 3 mmol/L and 6 mmol/L significantly inhibited AGS cell proliferation(P<0.05).Results from wound healing and Transwell assays indicated a decrease in the levels of cell migration and invasion(P<0.05)and,notably,there was a significant difference between the high and low-dose EMPA groups(P<0.05).Western blot showed no statistically significant difference in the expression of total mTOR protein between the groups.However,the expression of p-mTOR in the 3 mmol/L and 6 mmol/L EMPA groups decreased compared to that of the control group(P<0.05),with the 6 mmol/L EMPA group exhibiting a more pronounced reduction(P<0.05).Nude mice xenograft tumor experiment demonstrated that,compared to that of the control group,the tumor volumes in the EMPA-treatment groups were significantly reduced(P<0.05),with the high-dose group showing a more pronounced reduction(P<0.05).Conclusion EMPA inhibits the abnormal proliferation and migration of gastric adenocarcinoma cells,potentially through the modulation of mTOR protein activation.This study provides new potential medication and intervention targets for gastric adenocarcinoma treatment.
9. Rho A/ROCK signaling pathway involved in hyper responsiveness to aortic contraction in mice with type 2 diabetes
Shu-Zhen CHEN ; Yan-Xiang ZHENG ; Xiao-Yue QIN ; Chun-Yu DENG ; Shu-Zhen CHEN ; Yong-Jiang CAI ; Yan-Xiang ZHENG ; Xiao-Yue QIN ; Su-Juan KUANG ; Hui YANG ; Fang RAO ; Chun-Yu DENG ; Yong-Jiang CAI ; Chun-Yu DENG
Chinese Pharmacological Bulletin 2023;39(8):1484-1492
Aim To investigate the mechanism of RhoA/ROCK signaling pathway in abnormal aortic contractility in type 2 diabetes (T2DM) mice. Methods The experiment was divided into two groups, the control group (db/m mice) and the model group (db/db mice). Changes of the response to different methods were measured in aorta rings using a Multi Myograph System. At the same time, the protein expression changes of aortic smooth muscle contraction signaling pathway in mice were determined by Western method. Results Compared with the control group, the blood glucose and body weight levels of the mice in the T2DM group significantly increased, and the cardiac function was abnormal (P <0. 01). The contractile response of the aorta of the diabetic mice induced by the contractile agents Phe, 5-HT and CaCl
10. Mechanosensitive ion channel Piezo1 induces senescence of atrial fibroblasts by activating β-catenin
Xing-Dong YE ; Xue-Shan LUO ; Qiao-Qiao LI ; Jin-Tao HE ; Yu-Wen XU ; Hui YANG ; Chun-Yu DENG ; Su-Juan KUANG ; Meng-Zhen ZHANG ; Shu-Lin WU ; Fang RAO ; Yu-Mei XUE
Chinese Pharmacological Bulletin 2023;39(7):1234-1241
Aim To observe whether the mechanosensitive ion channel Piezo1 was involved in the senescence of atrial fibroblasts by activating β-catenin based on our previous study which found marked increase of Piezo1 mRNA in senescent atrial fibroblasts. Methods Primary mouse atrial fibroblasts (MAFs) were isolated from male C57BL/6 mice (3-4 weeks) by enzyme digestion, and tert-butyl hydroperoxide (TBHP) was used to induce the senescence of cells. The ratio of senescent cells was detected by senescence-associated β-galactosidase (SA-β-Gal) staining. The protein levels of Piezo1, β-catenin/p-β-catenin, senescence-associated proteins p53 and p21 in the cells treated with TBHP (100 μmol · L


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