1.Performance evaluation of Vitek 2 AST-N335 card for testing susceptibility of Acinetobacter baumannii to cefoperazone/sul-bactam
Lingli GU ; Hongmei SHEN ; Linling HUANG ; Meirong XU ; Haiping LIU ; Peilong LIU ; Xiang LIU ; Shirong DAI
Chinese Journal of Clinical Laboratory Science 2025;43(10):794-797
Objective To evaluate the reliability of Vitek 2 AST-N335 card for determining the susceptibility of Acinetobacter bauman-nii(AB)to cefoperazone/sulbactam.Methods A total of 318 non-repeated clinical isolates of AB collected in 2023 were tested for antimicrobial susceptibility to cefoperazone/sulbactam using broth microdilution(BMD),the AST-N335 card,and the Kirby-Bauer(K-B)disk diffusion method.Using BMD as the reference method,the reliability of AST-N335 card was assessed,and the accuracy of K-B disk diffusion method as the confirmatory test was validated.Results Compared with BMD,the susceptibility testing of 318 AB strains to cefoperazone/sulbactam using the AST-N335 card showed categorical agreement(CA)of 87.8%(279/318),very major er-ror(VME)of 6.0%(19/318),major error(ME)of 0%(0/318),and minor error(mE)of 1.9%(6/318),which fall outside of the acceptable error range.In contrast,the K-B method achieved CA of 99.4%(316/318),VME of 0%,ME of 0.3%(1/318),and mE of 0.3%(1/318),all within acceptable limits.Of these,the errors with AST-N335 card occurred within the minimum inhibitory concentration(MIC)range of 8-32 μg/mL.Using BMD as the reference method,further analysis was performed on the 171 AB strains with AST-N335 card MIC values of 8-32 μg/mL for cefoperazone/sulbactam.It was revealed that at MIC of 32 μg/mL,the CA was 0%;at MIC of 16 μg/mL,CA was 5.3%(1/19)and VME rate was 84.2%(16/19),both of which substantially exceeded accepta-ble error ranges.At MIC of 8 μg/mL,the CA was 94.9%(131/138)and VME was 2.2%(3/138),both approaching the acceptable ranges.Conclusion The results obtained with Vitek 2 AST-N335 card in determining for cefoperazone/sulbactam are unreliable when the MIC values fall within the range of 8-32 μg/mL,which leads to an underestimation of the resistance rate to cefoperazone/sulbac-tam.This issue requires urgent attention in both laboratories and clinical practice.The K-B disk diffusion method could serve as a sup-plementary verification approach in routine laboratories.
2.Network Pharmacology Study of Tongguanteng Injection Inhibits the Proliferation and Migration in Cervical Cancer Cells via Targeting FGF2/MAPK
Dongxu ZHU ; Zhaoying CAI ; Jie XIANG ; Ruoyu ZHOU ; Qiong XU ; Yayun QIAN ; Hongmei LU
World Science and Technology-Modernization of Traditional Chinese Medicine 2025;27(4):1179-1187
Objective To explore the targets and mechanisms of Tongguanteng Injection in inhibiting the proliferation and migration of cervical cancer.Methods The biological activity of Tongguanteng Injection in inhibiting human cervical cancer SiHa cells was determined by MTT method.Detecting the effect of Tongguanteng Injection on SiHa cell migration through wound healing assay.Using network pharmacology to collect the key targets for treating cervical cancer,and perform molecular docking and enrichment analysis on the targets.Immunohistochemistry and Western blot were used to detect the key proteins to validate the network pharmacology predictions.Result Tongguanteng Injection significantly inhibited the proliferation and migration in a dose-dependent manner in human cervical cancer SiHa cells.Based on the main active ingredients of Marsdenia tenacissima,81 therapeutic targets for cervical cancer were obtained,which may treat cervical cancer by affecting key proteins such as FGF2,MAPK1,and MAPK3.Immunohistochemical results indicated that FGF2,MAPK1 and MAPK3 were expressed in cervical cancer tissues.The western bolt assays showed that Tongguanteng Injection could significantly reduce the FGF2 protein expression.Meanwhile,the MAPK1 and MAPK3 protein expressions were significantly increased.Conclusion Tongguanteng Injection may regulate the FGF2,MAPK1 and MAPK3,effectively impede the proliferation and migration of cervical cancer.
3.Impact of ultrasound guided interscalene versus axillary brachial plexus block on patency rate of arteriove-nous fistula
Chi ZHANG ; Xiao LI ; Xiang WEI ; Gangyi CHEN ; Hongmei LI ; Kejia WANG ; Junyi ZHENG
The Journal of Practical Medicine 2025;41(9):1293-1298
Objective To compare the safety and efficacy of various brachial plexus block techniques using local anesthesia(LA)in patients undergoing their first radiocephalic arteriovenous fistula(RCAVF)surgery.Methods Patients were randomly allocated into three groups:LA,interscalene brachial plexus block(ISBPB),and axillary brachial plexus block(ABPB).Ultrasound was utilized to evaluate the pre-and post-anesthesia changes in vessel diameter and blood flow.Postoperative follow-up assessments were performed at three days and three months to determine fistula patency.Results Immediate patency rates were 92.52%(LA),96.26%(ISBPB),and 95.33%(ABPB),with no statistically significant differences among the groups(χ2=1.615,P=0.446).However,at three months,primary patency rates differed significantly among the groups(χ2=22.691,P<0.001).Specifically,the ISBPB group(83.18%)exhibited significantly higher patency compared to the LA group(57.01%)(χ2=17.477,P<0.001).Similarly,the ABPB group(80.37%)demonstrated better patency than the LA group(χ2=13.580,P<0.001).Regarding respiratory complications,they were more prevalent in the ISBPB group(15.89%)compared to the LA group(2.80%)(χ2=9.761,P=0.002)and the ABPB group(0.93%)(χ2=14.377,P<0.001).No significant difference was observed between the LA and ABPB groups in terms of respiratory complications(χ2=1.019,P=0.313).Conclusions Both ISBPB and ABPB demonstrated superior primary patency compared to LA.Nevertheless,ABPB exerted a lesser impact on respiratory function and provided a more comfortable surgical experience for ESRD patients.
4.Performance evaluation of Vitek 2 AST-N335 card for testing susceptibility of Acinetobacter baumannii to cefoperazone/sul-bactam
Lingli GU ; Hongmei SHEN ; Linling HUANG ; Meirong XU ; Haiping LIU ; Peilong LIU ; Xiang LIU ; Shirong DAI
Chinese Journal of Clinical Laboratory Science 2025;43(10):794-797
Objective To evaluate the reliability of Vitek 2 AST-N335 card for determining the susceptibility of Acinetobacter bauman-nii(AB)to cefoperazone/sulbactam.Methods A total of 318 non-repeated clinical isolates of AB collected in 2023 were tested for antimicrobial susceptibility to cefoperazone/sulbactam using broth microdilution(BMD),the AST-N335 card,and the Kirby-Bauer(K-B)disk diffusion method.Using BMD as the reference method,the reliability of AST-N335 card was assessed,and the accuracy of K-B disk diffusion method as the confirmatory test was validated.Results Compared with BMD,the susceptibility testing of 318 AB strains to cefoperazone/sulbactam using the AST-N335 card showed categorical agreement(CA)of 87.8%(279/318),very major er-ror(VME)of 6.0%(19/318),major error(ME)of 0%(0/318),and minor error(mE)of 1.9%(6/318),which fall outside of the acceptable error range.In contrast,the K-B method achieved CA of 99.4%(316/318),VME of 0%,ME of 0.3%(1/318),and mE of 0.3%(1/318),all within acceptable limits.Of these,the errors with AST-N335 card occurred within the minimum inhibitory concentration(MIC)range of 8-32 μg/mL.Using BMD as the reference method,further analysis was performed on the 171 AB strains with AST-N335 card MIC values of 8-32 μg/mL for cefoperazone/sulbactam.It was revealed that at MIC of 32 μg/mL,the CA was 0%;at MIC of 16 μg/mL,CA was 5.3%(1/19)and VME rate was 84.2%(16/19),both of which substantially exceeded accepta-ble error ranges.At MIC of 8 μg/mL,the CA was 94.9%(131/138)and VME was 2.2%(3/138),both approaching the acceptable ranges.Conclusion The results obtained with Vitek 2 AST-N335 card in determining for cefoperazone/sulbactam are unreliable when the MIC values fall within the range of 8-32 μg/mL,which leads to an underestimation of the resistance rate to cefoperazone/sulbac-tam.This issue requires urgent attention in both laboratories and clinical practice.The K-B disk diffusion method could serve as a sup-plementary verification approach in routine laboratories.
5.A qualitative study on the common characteristics and challenges of family parenting for preschool children in rural revitalization areas
Shiyan KAN ; Yuping ZENG ; Weifeng HOU ; Eerdemutu HAN ; Xiang LI ; Yanmei LI ; Huifeng WANG ; Hongmei DUAN
Chinese Journal of Modern Nursing 2025;31(24):3244-3250
Objective:To explore common characteristics and core challenges in the family parenting process of preschool children, identify key issues in parenting practices in rural revitalization areas, and provide a reference for developing localized family intervention strategies in China.Methods:Using purposive sampling, caregivers of preschool children ( n=26) were recruited from a kindergarten in Shuangbai County, Chuxiong Yi Autonomous Prefecture, Yunnan Province, from May to August 2024. A descriptive qualitative research method was adopted. Directed content analysis and conventional content analysis were combined to analyze interview transcripts and family parenting records, extracting core themes and characteristic issues in parenting practices. Results:A total of 881 minutes of interviews were conducted, resulting in approximately 260 000 words of transcripts and text materials. A total of five core themes and 13 sub-themes were summarized, covering access to health information and scientific parenting knowledge, imbalance between parenting needs and objective resource supply, safety care, responsive care, and weak family collaboration systems.Conclusions:Families in rural revitalization areas currently face problems such as limited access to information, insufficient scientific parenting resources, and weak family collaboration functions. It is recommended to optimize parenting practices by deepening the integration of medical and educational resources, strengthening health information channels, and building an integrated "family-school-community" intervention framework.
6.Effects of Multiple Lifestyle Factors on Cardiovascular Biological Aging and Their Relative Contributions
Jiajie CAI ; Ning ZHANG ; Yi XIANG ; Hongmei ZHANG ; Xiong XIAO
Journal of Sichuan University (Medical Sciences) 2025;56(5):1357-1364
Objective To investigate the association between healthy lifestyle factors and cardiovascular biological aging,as well as the relative contributions of different lifestyle factors.Methods Based on the clinical biochemical data and anthropometric data from the baseline survey of the UK Biobank(UKB),the Klemera-Doubal method(KDM)was used to establish cardiovascular biological age(CBA),and CBA acceleration was calculated accordingly.Multiple linear regression models were used to estimate the associations between healthy lifestyle factors and CBA acceleration.Then,the Quantile g-computation(QGC)was applied to evaluate the relative contributions of different lifestyle factors to CBA acceleration,with further analyses conducted separately for male and female populations.Additionally,stratified analyses were performed based on age,sex,body mass index(BMI),racial background,and family history of cardiovascular diseases to examine population heterogeneity.Results A total of 251 478 participants were included in the study.Both the overall healthy lifestyle score and each of the 7 lifestyle factors were negatively associated with CBA acceleration(overall lifestyle score:β=-0.75,95%CI:-0.77 to-0.73).Regarding the relative contributions of different lifestyle factors,alcohol consumption and diet accounted for the highest proportions(25.8%and 25.7%,respectively).However,there were differences by sex—alcohol consumption contributed the most in men(29.5%),followed by diet(23.0%),while in women,diet contributed the most(34.5%)and alcohol consumption accounted for a relatively low proportion(5.5%).Stratified analyses suggested that sex,BMI,and race might be potential effect modifiers.Conclusion Lifestyle factors,as modifiable behaviors,can slow the rate of cardiovascular biological aging.Among these factors,alcohol consumption and diet may represent effective targets for intervention.
7.Correlation between salivary ANG-2 level and inflammation activity of oral lichen planus
Yuanyi XIANG ; Jingjing LUO ; Haiyang LI ; Zhongting WU ; Hongmei ZHOU
STOMATOLOGY 2025;45(1):45-50
Objective To assay the salivary ANG-2 level of oral lichen planus(OLP)patients,and analyze its correlation with in-flammatory activity of OLP.Methods Eighty-nine OLP patients were included,and divided into four subgroups as non-erosive asymp-tomatic(NEA),non-erosive symptomatic(NES),minor-erosive(MIE)and major-erosive(MAE)groups.Fifteen healthy adults were recruited as controls.Whole unstimulated saliva was collected from each participant,and the salivary ANG-2 level was measured by chemiluminescence immunoassays(CLIA)for analysis.Normal oral mucosal tissue,non-erosive and erosive OLP tissues were collected to detect and analyze the expression of ANG-2 positive blood vessels by immunohistochemistry(IHC).Results The base-lines of age and gender between OLP and control groups showed no significant difference.Compared to controls,the salivary ANG-2 levels of OLP group,non-erosive and erosive OLP subgroups were significantly higher(P<0.05),in which erosive OLP group was higher than non-erosive OLP group(P=0.022);NES subgroup was slightly higher than NEA(P=0.048),and there was no statistical significance between MIA and MEA subgroups(P=0.067).Spearman correlation analysis showed a positive correlation between sali-vary ANG-2 level and inflammation activity in OLP patients(r=0.314,P=0.003).The expression of ANG-2 in non-erosive OLP mu-cosal tissues slightly increased than normal oral mucosal tissue(P>0.05),but there was no significant difference.The expression of ANG-2 in erosive OLP mucosal tissues significantly increased than normal oral mucosal tissue(P<0.001)and non-erosive OLP group(P<0.001).Conclusion There is a certain correlation between sali-vary ANG-2 level and inflammatory activity of OLP,indicating that salivary ANG-2 level is probable to be one of the inflammatory activity indicators to monitor the state-variation of OLP as a clinical non-inva-sive method.
8.Network Pharmacology Study of Tongguanteng Injection Inhibits the Proliferation and Migration in Cervical Cancer Cells via Targeting FGF2/MAPK
Dongxu ZHU ; Zhaoying CAI ; Jie XIANG ; Ruoyu ZHOU ; Qiong XU ; Yayun QIAN ; Hongmei LU
World Science and Technology-Modernization of Traditional Chinese Medicine 2025;27(4):1179-1187
Objective To explore the targets and mechanisms of Tongguanteng Injection in inhibiting the proliferation and migration of cervical cancer.Methods The biological activity of Tongguanteng Injection in inhibiting human cervical cancer SiHa cells was determined by MTT method.Detecting the effect of Tongguanteng Injection on SiHa cell migration through wound healing assay.Using network pharmacology to collect the key targets for treating cervical cancer,and perform molecular docking and enrichment analysis on the targets.Immunohistochemistry and Western blot were used to detect the key proteins to validate the network pharmacology predictions.Result Tongguanteng Injection significantly inhibited the proliferation and migration in a dose-dependent manner in human cervical cancer SiHa cells.Based on the main active ingredients of Marsdenia tenacissima,81 therapeutic targets for cervical cancer were obtained,which may treat cervical cancer by affecting key proteins such as FGF2,MAPK1,and MAPK3.Immunohistochemical results indicated that FGF2,MAPK1 and MAPK3 were expressed in cervical cancer tissues.The western bolt assays showed that Tongguanteng Injection could significantly reduce the FGF2 protein expression.Meanwhile,the MAPK1 and MAPK3 protein expressions were significantly increased.Conclusion Tongguanteng Injection may regulate the FGF2,MAPK1 and MAPK3,effectively impede the proliferation and migration of cervical cancer.
9.Impact of ultrasound guided interscalene versus axillary brachial plexus block on patency rate of arteriove-nous fistula
Chi ZHANG ; Xiao LI ; Xiang WEI ; Gangyi CHEN ; Hongmei LI ; Kejia WANG ; Junyi ZHENG
The Journal of Practical Medicine 2025;41(9):1293-1298
Objective To compare the safety and efficacy of various brachial plexus block techniques using local anesthesia(LA)in patients undergoing their first radiocephalic arteriovenous fistula(RCAVF)surgery.Methods Patients were randomly allocated into three groups:LA,interscalene brachial plexus block(ISBPB),and axillary brachial plexus block(ABPB).Ultrasound was utilized to evaluate the pre-and post-anesthesia changes in vessel diameter and blood flow.Postoperative follow-up assessments were performed at three days and three months to determine fistula patency.Results Immediate patency rates were 92.52%(LA),96.26%(ISBPB),and 95.33%(ABPB),with no statistically significant differences among the groups(χ2=1.615,P=0.446).However,at three months,primary patency rates differed significantly among the groups(χ2=22.691,P<0.001).Specifically,the ISBPB group(83.18%)exhibited significantly higher patency compared to the LA group(57.01%)(χ2=17.477,P<0.001).Similarly,the ABPB group(80.37%)demonstrated better patency than the LA group(χ2=13.580,P<0.001).Regarding respiratory complications,they were more prevalent in the ISBPB group(15.89%)compared to the LA group(2.80%)(χ2=9.761,P=0.002)and the ABPB group(0.93%)(χ2=14.377,P<0.001).No significant difference was observed between the LA and ABPB groups in terms of respiratory complications(χ2=1.019,P=0.313).Conclusions Both ISBPB and ABPB demonstrated superior primary patency compared to LA.Nevertheless,ABPB exerted a lesser impact on respiratory function and provided a more comfortable surgical experience for ESRD patients.
10.A qualitative study on the common characteristics and challenges of family parenting for preschool children in rural revitalization areas
Shiyan KAN ; Yuping ZENG ; Weifeng HOU ; Eerdemutu HAN ; Xiang LI ; Yanmei LI ; Huifeng WANG ; Hongmei DUAN
Chinese Journal of Modern Nursing 2025;31(24):3244-3250
Objective:To explore common characteristics and core challenges in the family parenting process of preschool children, identify key issues in parenting practices in rural revitalization areas, and provide a reference for developing localized family intervention strategies in China.Methods:Using purposive sampling, caregivers of preschool children ( n=26) were recruited from a kindergarten in Shuangbai County, Chuxiong Yi Autonomous Prefecture, Yunnan Province, from May to August 2024. A descriptive qualitative research method was adopted. Directed content analysis and conventional content analysis were combined to analyze interview transcripts and family parenting records, extracting core themes and characteristic issues in parenting practices. Results:A total of 881 minutes of interviews were conducted, resulting in approximately 260 000 words of transcripts and text materials. A total of five core themes and 13 sub-themes were summarized, covering access to health information and scientific parenting knowledge, imbalance between parenting needs and objective resource supply, safety care, responsive care, and weak family collaboration systems.Conclusions:Families in rural revitalization areas currently face problems such as limited access to information, insufficient scientific parenting resources, and weak family collaboration functions. It is recommended to optimize parenting practices by deepening the integration of medical and educational resources, strengthening health information channels, and building an integrated "family-school-community" intervention framework.

Result Analysis
Print
Save
E-mail