1.Improvement effects and mechanism of Achyranthes bidentata total saponins extract on vascular endothelial dysfunction in spontaneously hypertensive rats
Ruifeng LIANG ; Wenjing GE ; Xiaobo KOU ; Ping TIAN ; Hongzhi AN ; Zheng WEI ; Mingli ZHANG
China Pharmacy 2026;37(3):331-337
OBJECTIVE To investigate the improvement effects and mechanism of Achyranthes bidentata total saponins (ABS) extract on vascular endothelial dysfunction in spontaneously hypertensive rat (SHR) based on cytochrome P450 4A (CYP4A)/20-hydroxyeicosatetetraenoic acid (20-HETE)/G protein-coupled receptor 75 (GPR75) axis. METHODS Ten Wistar- Kyoto rats were taken as the normal control group. Forty SHR were first stratified by systolic blood pressure and then, within each stratum, randomly assigned using a random-number table to the model group (MOD group), captopril positive control group (CAP group, 10 mg/kg), ABS low- and high-dose extract groups (ABS-L group, ABS-H group, 60 and 120 mg/kg), with 10 rats in each group. Animals in each group were given the corresponding drug or equal volume of pure water by gavage, once a day, for 28 consecutive days. After the last administration, systolic blood pressure of rats was measured. The levels of vasoactive substances, inflammatory factors and oxidative stress indicators in serum were measured. The pathological changes of rat thoracic aorta were observed. The level of reactive oxygen species (ROS) in aortic tissue was analyzed. The expressions of endothelial nitric oxide synthase (eNOS), CYP4A, GPR75, nuclear factor-κB p65 (NF-κB p65), phosphorylated NF-κB p65, p22phox, and reduced nicotinamide adenine dinucleotide phosphate oxidase 4(NOX4) in thoracic aorta tissue were detected. RESULTS After 28 d of treatment, compared with MOD group, the systolic blood pressure of rats in the ABS-L and ABS-H groups decreased significantly. The levels of 20-HETE, angiotensin Ⅱ, interleukin-1β, interleukin-6, tumor necrosis factor-α, intercellular cell adhesion molecule-1 and malondialdehyde in serum were significantly reduced (P<0.05 or P<0.01), while the levels of nitric oxide, superoxide dismutase, glutathione peroxidase and catalase were significantly increased (P<0.05 or P<0.01). Intimal damage of thoracic aorta was reduced, and endothelial cell morphology was improved. The expressions of ROS, CYP4A, GPR75, p22phox, NOX4 and the phosphorylation level of NF-κB p65 protein in thoracic aorta were down-regulated or reduced (P<0.05 or P<0.01), while the expression of eNOS was up-regulated (P<0.05 or P<0.01). CONCLUSIONS ABS extract may alleviate the inflammatory response and oxidative stress in SHR effectively by down-regulating the expression of CYP4A, reducing the production of 20-HETE, inhibiting the activation of GPR75, and subsequently suppressing the activation of downstream NF-κB and NOX4, thereby improving hypertension-related vascular endothelial dysfunction.
2.Effect and mechanism of Wnt5a knockdown on the efficacy of M1 bone marrow-derived macrophage in treatment of liver cirrhosis
Feifei XING ; Danyang WANG ; Xinrui ZHENG ; Yannan XU ; Shihao ZHANG ; Junyi ZHAN ; Wei LIU ; Gaofeng CHEN ; Jiamei CHEN ; Ping LIU ; Yongping MU
Journal of Clinical Hepatology 2026;42(3):618-628
ObjectiveTo observe the effect of M1 bone marrow-derived macrophages (M1-BMDM) with Wnt5a knockdown on liver fibrosis and regeneration in a rat model of liver cirrhosis, and to investigate its gain-of-function effect compared with unmodified M1-BMDM. MethodsPrimary bone marrow-derived macrophages were isolated from rats and were polarized to M1 phenotype to construct M1-BMDMWnt5a-KD cells. A rat model of liver cirrhosis induced by CCl4/2-AAF was established, and at the end of week 8, rats were randomly divided into model group, M1-BMDM group, M1-BMDM Wnt5a-knockdown empty vector group (M1-BMDMKD-EV group), and M1-BMDM Wnt5a-knockdown group (M1-BMDMWnt5a-KD group), with 6 rats in each group. On the first day of week 9, the rats in each group were given a single injection of the corresponding cells via the caudal vein, along with an intraperitoneal injection of a CCR2 inhibitor. Six rats without any treatment were used as normal control group. Samples were collected at the end of week 12 to assess liver histopathology, serum liver function parameters, hepatic stellate cell activation, and the expression levels of mature hepatocyte markers. A one-way analysis of variance was used for comparison of continuous data between multiple groups, and the least significant difference t-test was used for further comparison between two groups. ResultsCompared with the model group, all cell treatment groups had significant alleviation of liver inflammatory response and significant reductions in the activities of alanine aminotransferase and aspartate aminotransferase (AST) in serum (all P<0.01), and the M1-BMDMWnt5a-KD group had a significantly lower serum level of AST than the M1-BMDM group (P<0.05). The semi-quantitative analysis based on immunohistochemical staining showed that compared with the model group, all cell treatment groups had a significant reduction in the percentage of CD68-positive area (all P<0.05), and compared with the M1-BMDMKD-EV group, the M1-BMDMWnt5a-KD group had a significant reduction in the percentage of CD68-positive area and a significant increase in the percentage of CD163-positive area (both P<0.05). Compared with the model group, all cell treatment groups had significant reductions in the mRNA expression levels of CD68 and tumor necrosis factor-α (all P<0.05) and the protein expression level of CD68 (all P<0.01); compared with the M1-BMDMKD-EV group, the M1-BMDMWnt5a-KD group had significant increases in the protein and mRNA expression levels of CD163 (both P<0.05), significant reductions in the protein and mRNA expression levels of CD68 (both P<0.05), and a significant reduction in the protein expression level of tumor necrosis factor-α (P<0.01). Sirius Red collagen staining and alpha-smooth muscle actin (α-SMA) immunohistochemical staining showed that compared with the model group, all cell treatment groups had significant alleviation of liver collagen deposition and α-SMA-positive area, with the most significant changes in the M1-BMDMWnt5a-KD group, and compared with the M1-BMDMKD-EV group, the M1-BMDMWnt5a-KD group had significantly smaller Sirius Red-positive area and α-SMA-positive area and a significantly lower content of hydroxyproline in liver tissue (all P<0.05). Compared with the M1-BMDMKD-EV group, the M1-BMDMWnt5a-KD group had significant reductions in the protein and mRNA expression levels of α-SMA and the mRNA expression level of COL-I and TGF-β (all P<0.05). Compared with the model group, all cell treatment groups had a significant increase in the protein expression level of HNF-4α in liver tissue (all P<0.05), and the M1-BMDMWnt5a-KD group had significantly higher protein and mRNA expression levels of HNF-4α and hepatocyte specific antigen than the M1-BMDMKD-EV group (both P<0.05). The M1-BMDMWnt5a-KD group had a significantly higher serum level of albumin than the M1-BMDMKD-EV group (P<0.01). Immunofluorescence co-staining showed that compared with the model group, all cell treatment groups had a significant increase in the number of cells stained positive for HNF and HNF-4α and Ki67 (all P<0.01), and the M1-BMDMWnt5a-KD group had a significantly higher number of such cells than the M1-BMDMKD-EV group (P<0.05). ConclusionInhibition of Wnt5a expression enhances the therapeutic effect of M1-BMDM on rats with liver cirrhosis induced by CCl4/2-AAF, which provides new ideas for enhancing the anti-cirrhotic effect of M1-BMDM through genetic modification.
3.Plasma metabolites,immune cells,and hip osteoarthritis:causal inference based on GWAS data from European populations
Xiangbin RONG ; Haibo ZHENG ; Xueshen MO ; Kun HOU ; Ping ZENG
Chinese Journal of Tissue Engineering Research 2026;30(4):1028-1035
BACKGROUND:Some studies have confirmed the changes in the function of immune cell subsets such as monocytes,T cells,B cells,and natural killer cells(NK cells)in patients with osteoarthritis,but the specific regulatory mechanisms are unclear.OBJECTIVE:To explore the causal relationship between plasma metabolite-mediated immune cells and hip osteoarthritis.METHODS:The Genome-Wide Association Studies(GWAS)data of 731 immune cells were used as the exposure,the GWAS data of hip osteoarthritis were used as the outcome,and 1 400 plasma metabolites were selected as mediating factors.The GWAS database is an important database for genetic association studies,maintained by international organizations with no country-specific affiliation.The inverse variance weighting method in the two-sample Mendelian randomization method was the main method,and the Bayesian weighted Mendelian randomization method was used to analyze the prior distribution,sample data and weights,which were then used to calculate the posterior distribution.The accuracy and reliability of the inverse variance weighting results were evaluated according to the posterior distribution,supplemented by MR-Egger,weighted median,simple model,and weighted mode methods.The pliotropy test and heterogeneity test were used to ensure the robustness of the process.The results of the inverse variance weighting method were used for subsequent mediating effect analysis.RESULTS AND CONCLUSION:(1)The inverse variance weighting method identified 4 immune cells strongly correlated with hip osteoarthritis,and 20 metabolites strongly associated with hip osteoarthritis,all of which had no reverse causal relationship.At the same time,the validation results of Bayesian weighted Mendelian randomization method showed that the posterior mean value was similar to the estimated value of the inverse variance weighting,and the posterior variance was relatively lower.One monocyte subtype(PDL-1 on CD14-CD16+)was finally screened out to have a causal relationship with hip osteoarthritis,with a total effect of-0.047(odds ratio=0.954,95%confidence interval:0.926-0.983),and a mediating effect of-0.004(odds ratio=0.939,95%confidence interval:0.902-0.978)mediated by alliin levels,accounting for 8.5%of the total effect.It was concluded that alliin is a protective factor in the progression of hip osteoarthritis,in which this metabolite plays a mediating role.(2)The large amount of data from international databases and European population analysis is of great significance to Chinese biomedicine,which can provide clues for research on the genetic susceptibility to similar diseases in the Chinese population,aiding in discovering the unique associations.The pharmacogenomic approaches used can be adapted to screen for drug response genes in the Chinese population,enhancing the precision of personalized medicine.Additionally,the advanced high-throughput technologies and statistical methods employed can be learned and applied to disease prevention and treatment research.
4.Plasma metabolites,immune cells,and hip osteoarthritis:causal inference based on GWAS data from European populations
Xiangbin RONG ; Haibo ZHENG ; Xueshen MO ; Kun HOU ; Ping ZENG
Chinese Journal of Tissue Engineering Research 2026;30(4):1028-1035
BACKGROUND:Some studies have confirmed the changes in the function of immune cell subsets such as monocytes,T cells,B cells,and natural killer cells(NK cells)in patients with osteoarthritis,but the specific regulatory mechanisms are unclear.OBJECTIVE:To explore the causal relationship between plasma metabolite-mediated immune cells and hip osteoarthritis.METHODS:The Genome-Wide Association Studies(GWAS)data of 731 immune cells were used as the exposure,the GWAS data of hip osteoarthritis were used as the outcome,and 1 400 plasma metabolites were selected as mediating factors.The GWAS database is an important database for genetic association studies,maintained by international organizations with no country-specific affiliation.The inverse variance weighting method in the two-sample Mendelian randomization method was the main method,and the Bayesian weighted Mendelian randomization method was used to analyze the prior distribution,sample data and weights,which were then used to calculate the posterior distribution.The accuracy and reliability of the inverse variance weighting results were evaluated according to the posterior distribution,supplemented by MR-Egger,weighted median,simple model,and weighted mode methods.The pliotropy test and heterogeneity test were used to ensure the robustness of the process.The results of the inverse variance weighting method were used for subsequent mediating effect analysis.RESULTS AND CONCLUSION:(1)The inverse variance weighting method identified 4 immune cells strongly correlated with hip osteoarthritis,and 20 metabolites strongly associated with hip osteoarthritis,all of which had no reverse causal relationship.At the same time,the validation results of Bayesian weighted Mendelian randomization method showed that the posterior mean value was similar to the estimated value of the inverse variance weighting,and the posterior variance was relatively lower.One monocyte subtype(PDL-1 on CD14-CD16+)was finally screened out to have a causal relationship with hip osteoarthritis,with a total effect of-0.047(odds ratio=0.954,95%confidence interval:0.926-0.983),and a mediating effect of-0.004(odds ratio=0.939,95%confidence interval:0.902-0.978)mediated by alliin levels,accounting for 8.5%of the total effect.It was concluded that alliin is a protective factor in the progression of hip osteoarthritis,in which this metabolite plays a mediating role.(2)The large amount of data from international databases and European population analysis is of great significance to Chinese biomedicine,which can provide clues for research on the genetic susceptibility to similar diseases in the Chinese population,aiding in discovering the unique associations.The pharmacogenomic approaches used can be adapted to screen for drug response genes in the Chinese population,enhancing the precision of personalized medicine.Additionally,the advanced high-throughput technologies and statistical methods employed can be learned and applied to disease prevention and treatment research.
5.Analysis of risk factors for obstetric septic shock
Meiling TAN ; Xueyuan HU ; Yiqing XIONG ; Mingyu ZHENG ; Ping YAN ; Dan WANG
Academic Journal of Naval Medical University 2025;46(11):1496-1501
Objective To explore the risk factors for obstetric septic shock.Methods The clinical data of 122 obstetric sepsis patients from Jan.2013 to Apr.2025 were retrospectively analyzed.The patients were assigned to shock group(n=26)or non-shock group(n=96)based on whether they progressed to septic shock.Variables including age,body mass index,multiple pregnancy,sequential organ failure assessment(SOFA)score,organ dysfunction status,white blood cell count(WBC),neutrophil count(NEU),neutrophil ratio,platelet count,procalcitonin,C-reactive protein,lactate(Lac),and D-dimer were recorded.Multivariate logistic regression analysis was used to identify the independent risk factors for obstetric septic shock.The predictive efficacy of these factors was evaluated using receiver operating characteristic(ROC)curve analysis.Results The proportions of patients aged≥35 years,and those with respiratory,cardiac,or central nervous system dysfunction,were significantly higher in the shock group than in the non-shock group,and the SOFA score,WBC,NEU,neutrophil ratio and Lac level were significantly higher in the shock group(all P<0.05).Multivariate logistic regression analysis showed that increased NEU(odds ratio[OR]=1.093,95%confidence interval[CI]1.022-1.169,P=0.010)and age≥35 years(OR=3.433,95%CI 1.112-10.602,P=0.032)were independent risk factors for obstetric septic shock.ROC curve analysis showed that NEU had predictive value for obstetric septic shock(area under curve=0.741,95%CI 0.634-0.848),with an optimal cut-offvalue of 17.17×109/L.Conclusion Increased NEU and age≥35 years are independent risk factors for obstetric septic shock.NEU has predictive value for the development of obstetric septic shock and may serve as an important indicator for clinical assessment and timely treatment.
6.Construction of machine learning-based prognostic model of centrosome amplification-related genes for esophageal squamous cell carcinoma
Chaoqun LI ; Hongliang ZHENG ; Ping HUANG ; Huan YANG ; Jianying BAI
Journal of Army Medical University 2025;47(13):1536-1547
Objective To construct a prognostic model of centrosome amplification-related genes(CARGs)by machine learning and evaluate its prediction performance for the prognosis of esophageal squamous cell carcinoma(ESCC).Methods CARGs were obtained from Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)datasets.The RNA-sequencing(RNA-seq)transcriptome datasets of ESCC were retrieved from The Cancer Genome Atlas(TCGA)and Gene Expression Omnibus(GEO),and assigned into training and validation sets,respectively.Subsequently,single-sample gene set enrichment analysis(ssGSEA)and weighted gene co-expression network analysis(WGCNA)were employed to screen CARGs.A prognostic model of CARGs was constructed by incorporating 12 machine learning algorithms,and univariate and multivariate Cox regression analyses were applied to evaluate whether the 12 models as an independent prognostic factor or not.Eventually,15 paired ESCC and adjacent non-tumor tissue samples were collected from the Department of Gastroenterology of the Second Affiliated Hospital of Army Medical University,and real-time quantitative PCR(RT-qPCR)and immunohistochemistry staining were performed to detect the expression of these genes ESCC samples.Results Our 9-CARGs prediction model for ESCC prognosis was constructed.RT-qPCR confirmed that the mRNA expression levels of DENR,TRIP13,BRCA2,TTF2,TCFL5 and NUP188 were significantly higher in ESCC tissues than normal tissues(P<0.05),and the protein levels of DENR,TRIP13,TTF2 and TCFL5 were also elevated when compared to normal tissues.Conclusion DENR,TRIP13,TTF2 and TCFL5 are highly expressed and closely associated with poor prognosis of ESCC,suggesting their potential roles in the pathogenesis and progression of this malignancy.
7.In-Situ Controlled Growth of NiCr Layered Double Hydroxide Nanosheets on Nichrome Alloy Fibers for Solid Phase Microextraction of Chlorophenols
Hai-Xia LIU ; Hong-Hong RAO ; Fang LIU ; Yan-Ping ZHENG ; Yong-Qiang JIANG
Chinese Journal of Analytical Chemistry 2025;53(3):481-491,后插1-后插4,封3
Nichrome(NiCr)wire with strong mechanical properties,excellent flexibility,good corrosion resistance and high thermal stability was selected as a promising fiber substrate to replace the fragile fused-silica counterpart.The NiCr layered double hydroxide nanosheets(NiCr LDHs NSs)were in-situ grown on the NiCr fiber substrate.Then,the extraction performance of the NiCr@NiCr LDHs NSs fiber was evaluated using four kinds of chlorophenol(CPs)as model compounds combined with high performance liquid chromatography-ultraviolet detection(HPLC-UV).The results showed that the assembled fibers exhibited superior extraction selectivity and enhanced extraction efficiency for CPs in comparison to commercial PA,PDMS,and PDMS/DVB fibers.Under the optimized experimental conditions,the established method showed good linearity in the range of 0.2-200 μg/L,with coefficient of determination(R2)>0.9989.The limits of detection(LODs)and limits of quantification(LOQs)were 0.050-0.157 μg/L and 0.165-0.502 μg/L,respectively.Relative standard deviations(RSDs)for intra-day and inter-day analyses ranged from 2.85%to 4.05%and from 3.16%to 4.96%,respectively.The developed method with the constructed fiber was applied to preconcentration and detection of different types of CPs in real water samples,showing satisfactory recoveries ranging from 80.0%to 106.9%,with RSDs of 3.12%-7.81%.Moreover,the NiCr@NiCr LDHs NSs fiber could maintain good extraction performance even after 240 extraction-desorption cycles.
8.Study on the TCM compatibility law in the treatment of diabetic nephropathy based on LDA topic model and association rules
Min WU ; Lufeng ZHENG ; Hui XU ; Ping LIU ; Xiaorong CHEN ; Tiancai WEN
International Journal of Traditional Chinese Medicine 2025;47(2):250-255
Objective:To explore the medication thinking and compatibility rules of TCM for the treatment of diabetic nephropathy (DN).Methods:Relevant journal literature of TCM for the treatment of DN was retrieved from CNKI, Wanfang Data, VIP, and CBM from January 1, 2000 to December 31, 2023, and a database was established through Excel 2016. Python 3.10 and the ancient and modern medical record cloud platform 2.3.5 were used to conduct Latent Dirichlet Allocation (LDA) topic modeling and association rule analysis to explore the thinking and compatibility rules of TCM prescriptions in the literature.Results:A total of 474 articles were included in the study, including 474 prescriptions, involving 260 kinds of Chinese materia medica, of which 40 kinds of Chinese materia medica with a frequency of ≥ 30, mainly Astragali Radix, Salviae Miltiorrhizae Radix et Rhizoma, Dioscoreae Rhizoma, Poria, and Corni Fructus, etc. The LDA topic model identified three groups of prescriptions, including four classic prescriptions: Liuwei Dihuang Pills, Taohong Siwu Decoction, Erzhi Pills, and Wuling Powder. The commonly used drug combinations extracted by association rules were: Rhizoma Alismatis - Poria, Cortex Moutan Radicis-Fructus Corni and Cortex Moutan Radicis - Rhizoma Dioscoreae.Conclusions:The main therapeutic principle of TCM in treating DN is to nourish the yin and tonify the kidney, supplemented by drugs that promoting blood circulation for removing blood stasis as well as promoting urination and draining dampness. In clinical application, modern doctors tend to use classic prescriptions such as Liuwei Dihuang Pills, Erzhi Pills, Taohong Siwu Decoction, and Wuling Powder as the basis, and modify them according to the specific conditions of patients. The LDA topic model can extract valuable prescription information from a large number of modern TCM literature, providing new perspectives and ideas for the study of clinical medication rules in TCM.
9.Influencing factors of prognosis and nursing strategies in sepsis combined with gastrointestinal dysfunction
Weihong PAN ; Bojun ZHENG ; Ping CAO
Journal of Navy Medicine 2025;46(6):609-613
Objective To explore the influencing factors of prognosis and nursing strategies in sepsis combined with gastrointestinal dysfunction.Methods The clinical data of 102 patients with sepsis and gastrointestinal dysfunction who were admitted to Traditional Chinese Medicine Hospital of Guangdong Province(The Second Affiliated Hospital of Guangzhou University of Chinese Medicine)between June 2022 and December 2023 were retrospectively analyzed.According to the prognosis within 30 d,the patients were assigned to death group(n=38)or survival group(n=64).Clinical indexes were compared between the two groups.The main influencing factors of prognosis were analyzed by Logistic regression,and targeted nursing strategies were summarized.Results The mortality in the patients with sepsis and gastrointestinal dysfunction was 37.25%(38/102).Univariate analysis showed that age,Sequential Organ Failure Assessment(SOFA)score,Acute Physiology and Chronic Health Evaluation Ⅱ(APACHE Ⅱ)score,gastrointestinal failure(GIF)score,and stay time in ICU were all influencing factors of prognosis in patients with sepsis and gastrointestinal dysfunction(all P<0.05).Logistic regression analysis showed that age≥65 years,SOFA score>6,APACHEⅡscore>17,GIF score>3,and stay time in ICU>7 d were independent risk factors of poor prognosis in patients with sepsis and gastrointestinal dysfunction(all P<0.05).Conclusion The poor prognosis of patients with sepsis and gastrointestinal dysfunction is related to age,SOFA score,APACHEⅡscore,GIF score,and stay time in ICU.It is essential to take preventive and nursing measures for these risk factors to reduce the incidence of poor prognosis.
10.Evaluation on repeatability and accuracy of iCare IC100 tonometer in measuring intraocular pressure
Yue PENG ; Ping ZHAO ; Juan TAN ; Rui LIU ; Yiping ZHENG ; Jiangping HUANG
International Eye Science 2025;25(3):494-498
AIM: To evaluate the repeatability and accuracy of iCare IC100 tonometer in measuring intraocular pressure(IOP)by comparing the correlation and difference with Goldmann applanation tonometry(GAT)and non-contact tonometer(NCT), and to compare the correlation of the three types of IOP measurement with the central corneal thickness(CCT).METHODS: Prospective study. A total of 90 outpatients(90 eyes)in Liaoning Aier Eye Hospital from March 2019 to May 2019 were randomly selected as study subjects. All patients were measured IOP using iCare IC100, NCT, and GAT. The interclass correlation coefficient(ICC)was used to evaluate the repeatability of IOP measured 3 times consecutively using an intraocular tonometer. The correlation and consistency of iCare IC100, GAT and NCT were compared by one-way ANOVA, Pearson linear correlation analysis and Bland-Altman analysis. The linear regression analysis was used to analyze the correlation of the three tonometers with CCT.RESULTS: The mean IOP measured with iCare IC100, GAT and NCT was 19.74±6.90, 19.88±7.07 and 18.47±6.31 mmHg, respectively(F=1.180, P=0.309). The measurements of iCare IC100 with GAT, iCare IC100 with NCT and GAT with NCT were all positively correlated(r=0.930, 0.946, 0.918, all P<0.05), the Bland-Altman analysis showed that the mean differences between iCare IC100 and GAT, iCare IC100 and NCT, GAT and NCT were -0.142±2.61, 1.27±2.24, and 1.41±2.81 mmHg, respectively, with 97%(87/90), 96%(86/90), and 97%(87/90)IOP differences distributed within their 95% confidence intervals. The IOP measured with iCare IC100 and CCT, GAT and CCT and NCT and CCT were all positively correlated(r=0.426, 0.353, 0.451, all P<0.01). The linear regression equations between iCare IC100, GAT and NCT measurement and CCT were iCare IC100 IOP=-19.62+0.074×CCT; GAT IOP=-13.54+0.063×CCT; NCT IOP=-19.65+0.072×CCT; that is, for every 10 μm increase in CCT, iCare IC100 measurement increased by 0.74 mmHg, GAT measurement increased by 0.63 mmHg, and NCT measurement increased by 0.72 mmHg.CONCLUSION: The iCare IC100 tonometer has good repeatability and accuracy in measuring IOP, and the CCT has a greater impact on the measurement of iCare IC100 than the GAT and NCT.

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