1.Usefulness of intraoperative choledochoscopy in laparoscopic subtotal cholecystectomy for severe cholecystitis
Rui-Hui ZHANG ; Xiang-Nan WANG ; Yue-Feng MA ; Xue-Qian TANG ; Mei-Ju LIN ; Li-Jun SHI ; Jing-Yi LI ; Hong-Wei ZHANG
Annals of Hepato-Biliary-Pancreatic Surgery 2025;29(2):192-198
Laparoscopic subtotal cholecystectomy (LSC) has been a safe and viable alternative to conversion to laparotomy in cases of severe cholecystitis. The objective of this study is to determine the utility of intraoperative choledochoscopy in LSC for the exploration of the gallbladder, cyst duct, and subsequent stone clearance of the cystic duct in cases of severe cholecystitis. A total of 72 patients diagnosed with severe cholecystitis received choledochoscopy-assisted laparoscopic subtotal cholecystectomy (CALSC). A choledochoscopy was performed to explore the gallbladder cavity and/or cystic duct, and to extract stones using a range of techniques. The clinical records, including the operative records and outcomes, were subjected to analysis. No LSC was converted to open surgery, and no bile duct or vascular injuries were sustained. All stones within the cystic duct were removed by a combination of techniques, including high-frequency needle knife electrotomy, basket, and electrohydraulic lithotripsy. A follow-up examination revealed the absence of residual bile duct stones, with the exception of one common bile duct stone, which was extracted via endoscopic retrograde cholangiopancreatography. In certain special cases, CALSC may prove to be an efficacious treatment for the management of severe cholecystitis. This technique allows for optimal comprehension of the situation within the gallbladder cavity and cystic duct, facilitating the removal of stones from the cystic duct and reducing the residue of the non-functional gallbladder remnant.
2.Usefulness of intraoperative choledochoscopy in laparoscopic subtotal cholecystectomy for severe cholecystitis
Rui-Hui ZHANG ; Xiang-Nan WANG ; Yue-Feng MA ; Xue-Qian TANG ; Mei-Ju LIN ; Li-Jun SHI ; Jing-Yi LI ; Hong-Wei ZHANG
Annals of Hepato-Biliary-Pancreatic Surgery 2025;29(2):192-198
Laparoscopic subtotal cholecystectomy (LSC) has been a safe and viable alternative to conversion to laparotomy in cases of severe cholecystitis. The objective of this study is to determine the utility of intraoperative choledochoscopy in LSC for the exploration of the gallbladder, cyst duct, and subsequent stone clearance of the cystic duct in cases of severe cholecystitis. A total of 72 patients diagnosed with severe cholecystitis received choledochoscopy-assisted laparoscopic subtotal cholecystectomy (CALSC). A choledochoscopy was performed to explore the gallbladder cavity and/or cystic duct, and to extract stones using a range of techniques. The clinical records, including the operative records and outcomes, were subjected to analysis. No LSC was converted to open surgery, and no bile duct or vascular injuries were sustained. All stones within the cystic duct were removed by a combination of techniques, including high-frequency needle knife electrotomy, basket, and electrohydraulic lithotripsy. A follow-up examination revealed the absence of residual bile duct stones, with the exception of one common bile duct stone, which was extracted via endoscopic retrograde cholangiopancreatography. In certain special cases, CALSC may prove to be an efficacious treatment for the management of severe cholecystitis. This technique allows for optimal comprehension of the situation within the gallbladder cavity and cystic duct, facilitating the removal of stones from the cystic duct and reducing the residue of the non-functional gallbladder remnant.
3.Usefulness of intraoperative choledochoscopy in laparoscopic subtotal cholecystectomy for severe cholecystitis
Rui-Hui ZHANG ; Xiang-Nan WANG ; Yue-Feng MA ; Xue-Qian TANG ; Mei-Ju LIN ; Li-Jun SHI ; Jing-Yi LI ; Hong-Wei ZHANG
Annals of Hepato-Biliary-Pancreatic Surgery 2025;29(2):192-198
Laparoscopic subtotal cholecystectomy (LSC) has been a safe and viable alternative to conversion to laparotomy in cases of severe cholecystitis. The objective of this study is to determine the utility of intraoperative choledochoscopy in LSC for the exploration of the gallbladder, cyst duct, and subsequent stone clearance of the cystic duct in cases of severe cholecystitis. A total of 72 patients diagnosed with severe cholecystitis received choledochoscopy-assisted laparoscopic subtotal cholecystectomy (CALSC). A choledochoscopy was performed to explore the gallbladder cavity and/or cystic duct, and to extract stones using a range of techniques. The clinical records, including the operative records and outcomes, were subjected to analysis. No LSC was converted to open surgery, and no bile duct or vascular injuries were sustained. All stones within the cystic duct were removed by a combination of techniques, including high-frequency needle knife electrotomy, basket, and electrohydraulic lithotripsy. A follow-up examination revealed the absence of residual bile duct stones, with the exception of one common bile duct stone, which was extracted via endoscopic retrograde cholangiopancreatography. In certain special cases, CALSC may prove to be an efficacious treatment for the management of severe cholecystitis. This technique allows for optimal comprehension of the situation within the gallbladder cavity and cystic duct, facilitating the removal of stones from the cystic duct and reducing the residue of the non-functional gallbladder remnant.
4.Effectiveness evaluation of the construction of "mosquito-free village" in Fuling District
WANG Ling ; JU Denghui ; XIANG Yu ; YU Shan ; LI Jiwen
Journal of Preventive Medicine 2025;37(7):714-717,721
Objective:
To evaluate the effectiveness for the construction of the "mosquito-free village" in Jinzishan Village, Fuling District, Chongqing Municipality, so as to provide references for improving mosquito control practices in hilly and mountainous rural areas.
Methods:
The "mosquito-free village" initiative in Fuling District was launched in April 2023. Mosquito density monitoring was conducted annually from April to October. Larval mosquito density was monitored using the path method and scoop-catch method, and adult mosquito density was monitored using human-baited landing catch. One hundred and fifty-two villagers were randomly conducted before the "mosquito-free village" construction (April 2023) and one hundred and sixty-seven villagers were randomly conducted after the construction (November 2024). Knowledge awareness rate and correct behavioral practices regarding mosquito control among villagers were assessed. The satisfaction among villagers were evaluated in November 2024. The effectiveness of the initiative was evaluated based on mosquito density data, health education outcomes from 2023 to 2024, and satisfaction.
Results:
The average larval mosquitoes path index in Jinshanzi Village decreased from 1.50 spots/km in 2023 to 0.07 spots/km in 2024 (P<0.05). The average sampling spoon index of larval mosquitoes decreased from 3.43% in 2023 to 0 in 2024. The average landing rate index of adult mosquitoes decreased from 3.90 mosquitoes/(person·time) in 2023 to 0.38 mosquitoes/(person·time) in 2024 (P<0.05). The awareness rate of mosquito control knowledge and the formation rate of correct behaviors among villagers increased from 59.87% and 57.24% in 2023 to 92.22% and 90.42% in 2024, respectively (both P<0.05). In 2024, the satisfaction of villagers was 92.81%.
Conclusion
The mosquito density, health education effectiveness, and satisfaction of villagers in Jinzishan Village have all met the evaluation criteria for a "mosquito-free village", providing a replicable model for promotion in hilly and mountainous rural areas.
5.UPLC-Q-TOF-MS combined with network pharmacology reveals effect and mechanism of Gentianella turkestanorum total extract in ameliorating non-alcoholic steatohepatitis.
Wu DAI ; Dong-Xuan ZHENG ; Ruo-Yu GENG ; Li-Mei WEN ; Bo-Wei JU ; Qiang HOU ; Ya-Li GUO ; Xiang GAO ; Jun-Ping HU ; Jian-Hua YANG
China Journal of Chinese Materia Medica 2025;50(7):1938-1948
This study aims to reveal the effect and mechanism of Gentianella turkestanorum total extract(GTI) in ameliorating non-alcoholic steatohepatitis(NASH). UPLC-Q-TOF-MS was employed to identify the chemical components in GTI. SwissTarget-Prediction, GeneCards, OMIM, and TTD were utilized to screen the targets of GTI components and NASH. The common targets shared by GTI components and NASH were filtered through the STRING database and Cytoscape 3.9.0 to identify core targets, followed by GO and KEGG enrichment analysis. AutoDock was used for molecular docking of key components with core targets. A mouse model of NASH was established with a methionine-choline-deficient high-fat diet. A 4-week drug intervention was conducted, during which mouse weight was monitored, and the liver-to-brain ratio was measured at the end. Hematoxylin-eosin staining, Sirius red staining, and oil red O staining were employed to observe the pathological changes in the liver tissue. The levels of various biomarkers, including aspartate aminotransferase(AST), alanine aminotransferase(ALT), hydroxyproline(HYP), total cholesterol(TC), triglycerides(TG), low-density lipoprotein cholesterol(LDL-C), high-density lipoprotein cholesterol(HDL-C), malondialdehyde(MDA), superoxide dismutase(SOD), and glutathione(GSH), in the serum and liver tissue were determined. RT-qPCR was conducted to measure the mRNA levels of interleukin 1β(IL-1β), interleukin 6(IL-6), tumor necrosis factor α(TNF-α), collagen type I α1 chain(COL1A1), and α-smooth muscle actin(α-SMA). Western blotting was conducted to determine the protein levels of IL-1β, IL-6, TNF-α, and potential drug targets identified through network pharmacology. UPLC-Q-TOF/MS identified 581 chemical components of GTI, and 534 targets of GTI and 1 157 targets of NASH were screened out. The topological analysis of the common targets shared by GTI and NASH identified core targets such as IL-1β, IL-6, protein kinase B(AKT), TNF, and peroxisome proliferator activated receptor gamma(PPARG). GO and KEGG analyses indicated that the ameliorating effect of GTI on NASH was related to inflammatory responses and the phosphoinositide 3-kinase(PI3K)/AKT pathway. The staining results demonstrated that GTI ameliorated hepatocyte vacuolation, swelling, ballooning, and lipid accumulation in NASH mice. Compared with the model group, high doses of GTI reduced the AST, ALT, HYP, TC, and TG levels(P<0.01) while increasing the HDL-C, SOD, and GSH levels(P<0.01). RT-qPCR results showed that GTI down-regulated the mRNA levels of IL-1β, IL-6, TNF-α, COL1A1, and α-SMA(P<0.01). Western blot results indicated that GTI down-regulated the protein levels of IL-1β, IL-6, TNF-α, phosphorylated PI3K(p-PI3K), phosphorylated AKT(p-AKT), phosphorylated inhibitor of nuclear factor kappa B alpha(p-IκBα), and nuclear factor kappa B(NF-κB)(P<0.01). In summary, GTI ameliorates inflammation, dyslipidemia, and oxidative stress associated with NASH by regulating the PI3K/AKT/NF-κB signaling pathway.
Animals
;
Non-alcoholic Fatty Liver Disease/genetics*
;
Mice
;
Network Pharmacology
;
Male
;
Drugs, Chinese Herbal/administration & dosage*
;
Chromatography, High Pressure Liquid
;
Liver/metabolism*
;
Mice, Inbred C57BL
;
Humans
;
Mass Spectrometry
;
Tumor Necrosis Factor-alpha/metabolism*
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Disease Models, Animal
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Molecular Docking Simulation
6.IDH1R132H Mutant Glioma and Its Compensatory Mechanisms for Maintaining Telomeres
Si-Xiang YAN ; Yi-Fan LI ; Yao LI ; Yi-Xuan LI ; Xiang-Xiu LI ; Jin-Kai TONG ; Shu-Ting JIA ; Ju-Hua DAN
Progress in Biochemistry and Biophysics 2024;51(11):2845-2852
Isocitrate dehydrogenase 1 (IDH1) R132H is the most common mutated gene in grade II-III gliomas and oligodendrogliomas. Instead of activating telomerase (a reverse transcriptase which using RNA as a template to extend telomere length), the majority of IDH1R132H mutant glioma maintain telomere length through an alternative mechanism that relies on homologous recombination (HR), which is known as alterative lengthening of telomere (ALT).The phenotype of ALT mechanism include: ALT associated promyelocytic leukemia protein (PML) bodies (APBs); extrachromosomal telomeric DNA repeats such as C- and T-loops; telomeric sister chromatid exchange (T-SCE), etc. The mechanism of ALT activation is not fully understood. Recent studies have shown that mutation IDH1 contributes to ALT phenotype in glioma cells in at least three key ways. Firstly, the IDH1R132H mutation mediates RAP1 down-regulation leading to telomere dysfunction, thus ensuring persistent endogenous telomeric DNA damage, which is important for ALT activation. Spontaneous DNA damage at telomeres may provide a substrate for mutation break-induced replication (BIR)‑mediated ALT telomere lengthening, and it has been demonstrated that RAP1 inhibits telomeric repeat-containing RNA, transcribed from telomeric DNA repeat sequences (TERRA) transcription to down-regulate ALT telomere DNA replication stress and telomeric DNA damage, thereby inhibiting ALT telomere synthesis. Similarly, in ALT cells, knockdown of telomere-specific RNaseH1 nuclease triggers TERRA accumulation, which leads to increased replication pressure. Overexpression of RNaseH1, on the other hand, attenuates the recombination capacity of ALT telomeres, leading to telomere depletion, suggesting that RAP1 can regulate the level of replication pressure and thus ALT activity by controlling TERRA expression. Secondly, the IDH1R132H also alters the preference of the telomere damage repair pathway by down-regulating XRCC1, which inhibits the alternative non-homologous end joining (A-NHEJ) pathway at telomeres and alters cellular preference for the HR pathway to promote ALT. Finally, the IDH1R132H has a decreased affinity for isocitric acid and NADP+ and an increased affinity for α ketoglutarate (α‑KG) and NADPH, so that the mutant IDH1R132H catalyzes the hydrogenation of α‑KG to produce 2-hydroxyglutarate (2-HG)in a NADPH-dependent manner. Because 2-HG is structurally similar to α‑KG, which maintains the trimethylation level of H3k9me3 by competitively inhibiting the activity of the α‑KG-dependent histone demethylase KDM4B, and recruits heterochromatin protein HP1α to heterochromatinize telomeres, and promote ALT phenotypes in cooperation with the inactivating of ATRX. In addition, it has been shown that APBs contain telomeric chromatin, which is essentially heterochromatin, and HP1α is directly involved in the formation of APBs. Based on these studies, this article reviews the mechanism of IDH1R132H mediated telomere dysfunction and the preference of DNA repair pathway at telomeres in cooperate with ATRX loss to promote ALT, which may provide references for clinical targeted therapy of IDH1R132H mutant glioma.
7.Analysis of Helicobacter pylori infection in the natural population of Sanya City
Shi-Mei HUANG ; Lian-Guo LAN ; Da-Ya ZHANG ; Run-Xiang CHEN ; Xiao-Dong ZHANG ; Chen CHEN ; Fan ZENG ; Da LI ; Xian-Feng HUANG ; Qi WANG ; Shi-Ju CHEN ; Lei GAO ; Jun-Tao ZENG ; Fei-Hu BAI
Modern Interventional Diagnosis and Treatment in Gastroenterology 2024;29(2):141-145
Objective To explore the current status of H.pylori infection in the natural population of Sanya City,analyze its influencing factors,and provide a reference basis for the prevention and control of H.pylori infection.Methods A total of 677 residents from four districts of Sanya City were selected by overall stratified random sampling method,and were subjected to urea 14C breath test and questionnaire survey to calculate the positive rate of H.pylori in the natural population and analyze the influencing factors of H.pylori infection.Results A total of 606 residents were included,and the number of H.pylori positive detections was 261,with a positive detection rate of 38.5%.Among them,different ethnicity,marital status,smoking,eating vegetables and fruits,and literacy level were associated with H.pylori infection(P<0.05);gender,age,BMI,alcohol consumption,drinking water source,betel quid chewing,and the number of cohabitants were not significantly associated with H.pylori infection(P>0.05).Family infection was an independent risk factor for H.pylori infection in the natural population of Sanya City,and Li ethnicity,frequent consumption of fruits and vegetables,and college and higher education level were independent protective factors for H.pylori infection in the natural population of Sanya City.Conclusion The rate of H.pylori infection in the natural population of Sanya City is lower than the national average.Consuming more fruits and vegetables and improving the awareness of hygiene protection are conducive to the prevention of H.pylori infection;and the promotion of the family and related members with the same examination and treatment is important to avoid aggregation of infection within the family.
8.Metabolomics combined with bioinformatics reveals mechanism of Sanhuang Hushen Fangshuai Decoction in treating chronic kidney disease.
Cheng-Hua ZHANG ; Xiao-Yan LI ; Hong-Xiang ZHENG ; Min ZHAO ; Mei-Feng ZHU ; Shu-Qi MIN ; Xin-Yue ZHANG ; Shen-Ju WANG
China Journal of Chinese Materia Medica 2024;49(23):6468-6480
This article aims to analyze the therapeutic effect and probe into the mechanism of Sanhuang Hushen Fangshuai Decoction in treating chronic kidney disease(CKD) based on metabolomics and bioinformatics. The patients with stage 3-4 CKD diagnosed and treated in the Changzhou Hospital of Traditional Chinese Medicine from June 2023 to March 2024 were enrolled in this study. The patients were treated with Sanhuang Hushen Fangshuai Decoction, and the therapeutic effect was evaluated. The serum samples were collected before and after treatment. Ultra-performance liquid chromatography was employed to detect metabolites in the serum, and multivariate statistical analysis was performed. Bioinformatics was employed to screen the active components and targets of the decoction and the potential targets of CKD. The protein-protein interaction(PPI) network of the common targets shared by the decoction and CKD and the drug-component-target network were constructed. The core components and targets were screened according to the correlation degree of the network. The binding between core components and targets was verified by molecular docking. The results showed that Sanhuang Hushen Fangshuai Decoction improved the renal function and reduced proteinuria. Compared with the healthy population, the post-treatment population showed recovery of 54 up-regulated metabolites and 43 down-regulated metabolites. Enrichment analysis results showed that the key pathways included adenosine triphosphate binding cassette(ABC) transport, tryptophan metabolism, and tyrosine metabolism. The results of bioinformatics analysis showed that the core components of Sanhuang Hushen Fangshuai Decoction in treating CKD included kaempferol, β-sitosterol, luteolin, 7-O-methylisolingol, and tanshinone Ⅱ_A. The core targets included TP53, PTGS2, JUN, AKT1, and TNF. Molecular docking results showed that the core components bound well to the target genes. The results of joint pathway analysis suggested that both differential metabolites and key targets were involved in galactose metabolism, nicotinamide metabolism, and other pathways. This study suggests that Sanhuang Hushen Fangshuai Decoction is effective for CKD, and it can regulate multiple abnormal metabolites and participates in multiple metabolic pathways involving amino acids and sugars. The active components such as kaempferol in the decoction may regulate related targets such as TP53 and PTGS2. This study provides a basis for the prevention and treatment of CKD with traditional Chinese medicine.
Drugs, Chinese Herbal/administration & dosage*
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Renal Insufficiency, Chronic/genetics*
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Humans
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Computational Biology
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Male
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Metabolomics
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Protein Interaction Maps/drug effects*
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Middle Aged
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Molecular Docking Simulation
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Female
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Adult
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Aged
9. Neurovascular coupling and central nervous system diseases
Ju-Xiang YANG ; Gang LI ; Nai-Hong CHEN ; Zhao ZHANG ; Shi-Feng CHU ; Nai-Hong CHEN ; Zhao ZHANG ; Wen-Bin HE ; Nai-Hong CHEN
Chinese Pharmacological Bulletin 2023;39(12):2225-2230
Neurovascular coupling is the function of regulating blood flow of the central nervous system at the level of neurovascular units. The central nervous system diseases related to neurovascular coupling mainly include cerebrovascular diseases such as chronic cerebral ischemia and neurodegenerative diseases such as Alzheimer's disease,Parkinson's disease and Lewy body dementia. The main mechanism of neurovascular coupling dysfunction leading to the above diseases is cerebrovascular dysfunction or loss,which leads to serious damage to neuronal ischemia and affects its function. Therefore,this paper reviews the research status of neurovascular coupling and its related central nervous system diseases,in order to guide the follow-up research. The purpose of this paper is to provide a basis for the prevention,relief and treatment of central nervous system diseases related to neurovascular coupling through the mechanism of neurovascular coupling.
10.One new glycoside naphthopyranone from the Yiling cave-derived Metarhizium anisopliae NHC-M3-2
Li-man ZHOU ; Yi HAO ; Ju-xiang MENG ; Fang-fang QIN ; Qing-hua QIN ; Cong WANG ; Fan-dong KONG
Acta Pharmaceutica Sinica 2023;58(10):3076-3081
Seven compounds were isolated from fermentation extract of cave-derived


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