Objective Improving the limb management strategy for patients undergoing coronary intervention through radial artery puncture and observe the application effect,and to provide scientific basis for the prevention of limb complications.Methods From March 2023 to February 2024,patients who underwent coronary intervention in the Cardiovascular Department of a Tertiary A hospital in Wenzhou City were selected.They were randomly di-vided into an experimental group of 241 cases and a control group of 236 cases using a random number table method.After surgery,they were all treated with a rotary hemostatic device for compression hemostasis.The experi-mental group implement improvement strategies for surgical limb management,specifically underwent a reverse Bar-beau test upon returning to the ward after surgery to achieve non-occlusive compression,followed by decompression every hour.The compression intensity of the control group was guided by palpating the distal radial artery pulsa-tion,and the first decompression was performed 1 hour after surgery,followed by decompression at intervals of every 2 hours.The main evaluation indicators are the incidence of surgical limb complications and simplified Chinese version of General Comfort Questionnaire(GCQ)scores in 2 groups of patients,while the secondary evaluation indi-cators are the duration of compression and the number of decompression times in both groups.Results The inci-dence of postoperative complications in the experimental group was 14.11%,which was statistically significant com-pared to 44.49%in the control group(χ2=53.308,P<0.001).The GCQ score of the experimental group was(77.71±5.43)points,which was higher than(74.66±5.83)points in the control group,and the difference was statistically signif-icant(t=-3.354,P=0.001).The compression duration of(172±52)minutes and decompression frequency of 2(2,3)in the experimental group were lower than(289±60)minutes and 4(3,4)in the control group,and the differences were statistically significant(P<0.001).Conclusion The non-occlusive compression method of the radial artery based on the reverse Barbeau test can significantly reduce limb complications in patients undergoing coronary inter-vention,shorten the duration of hemostatic compression,reduce the number of depressions,and improve patient com-fort.It provides objective basis for nursing staff to evaluate the intensity of hemostatic compression and the timing of decompression.

Objective To explore the optimization for parameters of 5.0T pseudo continuous arterial spin labeling(pCASL)MRI of whole brain.Methods Nine healthy adults were prospectively enrolled,and single-delay pCASL scanning was performed based on a 5.0T MR scanner with 3 sets of labeling gradients:Group A,average gradient(Gavg)=1 mT/m and the ratio of maximum gradient(Gmax)to Gavg(Gratio)=10,group B,Gavg=0.6 mT/m and Gratio=10,group C,Gavg=0.3 mT/m and Gratio=9.The labeling efficiency and cerebral blood flow(CBF)of 3 groups were compared to screen the best labeling gradient group.Results When the marked average blood flow velocity was 40 cm/s,the gradient field tolerance of group C was better than that of group A and B at the situation of reduced B1+and larger B0 offset frequency range.Under the gradient field of group C,the level of labeled artery B1 ranged from 54.19％to 75.36％,with an average of 64.71％.The labeling efficiencies of group C were all ≥85％,and all ≥90％at the average B1 level(64.71％).In the whole gray matter and almost all brain regions,CBF on pCASL under gradient field of group C was significantly higher than that of group A and B(all P＜0.05).Conclusion Low Gavg and low Gmax were the optimal parameters for 5.0T whole brain pCASL MRI.

Objective To evaluate the predictive value of CT-enhanced imaging-based radiomics nomogram for the status of microsatel-lite instability(MSI)in colon cancer.Methods A retrospective analysis was conducted on 129 postoperative colon cancer patients with confirmed MSI status.They were randomly divided into a training group(n=90)and a validation group(n=39)at a ratio of 7:3.Radiomics features were extracted from preoperative CT-enhanced images of the patients.The predictive performance of various machine learning algorithms was evaluated using the area under the curve(AUC).A nomogram model was developed by incorporating clinical independent risk factors,and the model's overall performance was assessed using decision curve analysis(DCA).Results Age and lesion site were identified as prominent independent risk factors and utilized in the construction of a clinical model.The light gradient boosting machine(LightGBM)algorithm was chosen for building a radiomics model.As a joint model,the AUC of the nomogram model of 0.917 in the training group and 0.822 in the validation group.The DCA confirmed the substantial clinical applicability of the nomogram model.Conclusion The CT-enhanced imaging-based radiomics nomogram offers a pioneering and individualized predic-tive approach for determining the MSI status in colon cancer.

Objective:To explore the effects of Jianpi Huaji Fuzheng Decoction supplemented with conventional chemotherapy on Traditional Chinese Medicine (TCM) syndromes scores, cellular immunity and coagulation-fibrinolysis function in patients with primary hepatic carcinoma of spleen-deficiency syndrome.Methods:Prospective cohort study. A total of 85 patients with primary hepatic carcinoma of spleen-deficiency syndrome who met the inclusion criteria in the hospital between March 2018 and March 2021 were divided into 42 cases in control group and 43 cases in observation group according to the random number table method. The control group was given conventional western medicine chemotherapy, and the observation group was given Jianpi Huaji Fuzheng Decoction on the basis of the control group. Both groups were treated for 3 months. Before and after treatment, the TCM syndromes were scored. The levels of CD4 + and CD8 + were detected by flow cytometry with indirect immunofluorescence, and the ratio of CD4 +/CD8 + was calculated. The plasma prothrombin time (PT), fibrinogen (Fg) and coagulation factor Ⅶ (CFⅦ) were detected by automatic blood coagulation analyzer. The toxic and side effects of chemotherapy during treatment were recorded and the clinical efficacy was evaluated. Results:The total effective rate of syndrome efficacy was 95.35% (41/43) in observation group and 78.57% (33/42) in control group ( χ2=3.92, P=0.047). After treatment, the scores of flank pain, lumps, fatigue and jaundice and total score in observation group were significantly lower than those in the control group ( t=2.60, 2.64, 2.85, 2.91, 3.79, P<0.01). The level of CD4 + [(37.68±3.72)% vs. (35.92±3.61)%, t=2.21] and CD4 +/CD8 + [(1.44±0.22) vs. (1.31±0.23), t=2.66] in observation group were significantly higher than those in the control group ( P<0.05), while the level of CD8 + [(26.20±2.72)% vs. (27.44±2.16)%, t=2.32] was significantly lower than that of the control group ( P<0.05). The levels of Fg [(3.11±0.85) g/L vs. (2.74±0.72) g/L, t=2.16] and CFⅦ [(1.76±0.44) mg/L vs. (1.58±0.37) mg/L, t=2.04] were significantly higher than those in the control group ( P<0.05). PT [(14.65±2.72) s vs. (15.91±3.03) s, t=2.02] was significantly shorter than that of the control group ( P<0.05). During treatment, the incidence rate of toxic and side effects of chemotherapy was 11.63% (5/43) in observation group and that in control group was 30.95% (13/42) ( χ2=4.75, P=0.029). Conclusion:Jianpi Huaji Fuzheng Decoction supplemented with conventional chemotherapy can improve the clinical symptoms, promote the recovery of cellular immune function and coagulation-fibrinolysis function, reduce the incidence rates of toxic and side effects of chemotherapy, and enhance the clinical efficacy of patients with primary hepatic carcinoma.

Although the functions of metabolic enzymes and nuclear receptors in controlling physiological homeostasis have been established, their crosstalk in modulating metabolic disease has not been explored. Genetic ablation of the xenobiotic-metabolizing cytochrome P450 enzyme CYP2E1 in mice markedly induced adipose browning and increased energy expenditure to improve obesity. CYP2E1 deficiency activated the expression of hepatic peroxisome proliferator-activated receptor alpha (PPARα) target genes, including fibroblast growth factor (FGF) 21, that upon release from the liver, enhanced adipose browning and energy expenditure to decrease obesity. Nineteen metabolites were increased in Cyp2e1-null mice as revealed by global untargeted metabolomics, among which four compounds, lysophosphatidylcholine and three polyunsaturated fatty acids were found to be directly metabolized by CYP2E1 and to serve as PPARα agonists, thus explaining how CYP2E1 deficiency causes hepatic PPARα activation through increasing cellular levels of endogenous PPARα agonists. Translationally, a CYP2E1 inhibitor was found to activate the PPARα-FGF21-beige adipose axis and decrease obesity in wild-type mice, but not in liver-specific Ppara-null mice. The present results establish a metabolic crosstalk between PPARα and CYP2E1 that supports the potential for a novel anti-obesity strategy of activating adipose tissue browning by targeting the CYP2E1 to modulate endogenous metabolites beyond its canonical role in xenobiotic-metabolism.

Objective:To evaluate the value of synthetic MRI combined with DWI in the diagnosis of benign and malignant breast lesions.Methods:The data of 184 consecutive patients with suspected breast lesions in Yunnan Cancer Hospital from July to September 2019 were prospectively analyzed. All patients were randomly assigned to training group ( n=110) and validation group ( n=74), and underwent conventional MRI and synthetic MRI respectively before and after contrast injection. At the maximum slice of the lesion, the ROI was drawn along the edge and recorded as "tumor". In the solid area with the most obvious tumor enhancement, the second ROI was drawn and recorded as "local". At the same time, ADC values (ADC local and ADC tumor) and relaxation time values (T local and T tumor) were measured. T and T + represented the relaxation time value of the ROI pre-and post-contrast scanning. ΔT% represented the relative change rate in T value between pre-and post-contrast scanning.The rank sum test was used to test the quantitative parameters of benign and malignant breast lesions in the training group and the validation group, and the variables with P<0.05 were included in the binary logistic regression analysis to screen the independent variables and establish the prediction model. The area under ROC curve was used to evaluate the discrimination of parameters and models. The clinical applicability of model was analyzed by decision curve analysis (DCA). Results:In the training group, univariate analysis showed that there were significant differences in T 1tumor, T 1+tumor, ΔT 1% tumor, T 2local, T 2+local, T 2tumor and T 2+tumor, ADC local, ADC tumor between benign and malignant breast lesions ( P<0.05). Multivariate logistic regression analysis showed that T 1+tumor, ΔT 1% tumor, T 2tumor, ADC local, ADC tumor were independent variables in the diagnosis of breast cancer. The relaxation time model (model A: T 1+tumor, ΔT 1% tumor, T 2tumor) and ADC model (model B: ADC local, ADC tumor) established by combining the above variables had the same diagnostic efficiency (AUC=0.905, 0.914, Z=-1.874, P=0.062), and the multi-parameter combination model (model C: T 1+tumor, ΔT 1% tumor, T 2tumor, ADC local, ADC tumor) had the highest diagnostic efficiency (AUC=0.965). DCA analysis showed that when the threshold probability ranges between 21%-99% (training cohort) and 15%-99% (validation cohort), the net benefit of model C was better than model A and B. Conclusion:The multi-parameter combined prediction model established based on the relaxation time value and ADC can identify breast cancer efficiently and can be used as an auxiliary diagnostic tool.

Objective To investigate the pharmacological components of "Szechwan Chinaberry Fruit-Rhizoma Corydalis" drug combination and its potential molecular mechanism in the treatment of liver cancer based on network pharmacology. Methods Related databases, such as TCMSP, Uniprot, and GeneCard, were used to obtain the effective components of Szechwan Chinaberry Fruit and Rhizoma Corydalis, their corresponding action targets, and the disease targets of liver cancer, and the intersecting targets of drugs and diseases were selected. In addition, STRING and Metascape databases were used to screen out the core targets of drug action and perform GO function and KEGG pathway enrichment analyses. Results There were 9 active components in Szechwan Chinaberry Fruit and 49 active components in Rhizoma Corydalis, with 1 common component between the two drugs; there were 181 action targets of Szechwan Chinaberry Fruit and 1097 action targets of Rhizoma Corydalis, with 143 common targets between the two drugs. There were 162 intersecting targets between the drug combination and liver cancer, and the main genes involved were IL6, TP53, VEGFA, TNF, and CASP3. KEGG analysis showed that the main pathways involved included cancer pathway, AGE-RAGE signaling pathway of diabetes complications, TNF signaling pathway, NF-κB signaling pathway, and thyroid hormone signaling pathway. Conclusion There are many different components in the drug combination of "Szechwan Chinaberry Fruit-Rhizoma Corydalis", which can exert a therapeutic effect on liver cancer by acting on related genes and signaling pathways.

Objective:Our previous micro-array study revealed that long non-coding RNA (lncRNA), such as ENST00000538790 and NR_125790, were differently expressed in parathyroid carcinoma compared with those in parathyroid adenoma. Diagnostic value of lncRNAs (ENST00000538790 and NR_125790) and scoring models derived from these lncRNAs in parathyroid carcinoma were investigated in this study.Methods:Fifty-seven fresh tissue samples from patients with hyperparathyroidism were collected. Eleven patients were diagnosed with parathyroid carcinoma, while 46 patients were found with parathyroid adenoma. The expression levels of five lncRNAs (ENST00000511928, ENST00000538790, ENST00000618339, NR_125790, and ENST00000485384) were detected with realtime quantitative PCR (RT-qPCR). LncRNA scores were calculated using these lncRNAs, and their value in parathyroid carcinoma diagnosis were also assessed.Results:It was found that expression levels of ENST00000511928 and ENST00000538790 were up-regulated in parathyroid carcinoma compared with parathyroid adenoma ( P<0.05), while the levels of ENST00000618339, NR_125790, and ENST00000485384 were decreased in parathyroid carcinoma ( P<0.05). Among these lncRNAs, ENST00000538790 and NR_125790 were independent risk factors for parathyroid carcinoma ( P<0.05). Hence, "log score" and "logistic score" were calculated with ENST00000538790 and NR_125790 levels. The areas under the receiver operating characteristic curve for "log score" and "logistic score" were up to 0.935 and 0.943 respectively in parathyroid carcinoma ( P<0.05), and were found to be greater than those from single lncRNA or classic clinical indices, such as serum calcium ( P<0.05). Conclusion:LncRNA scores with lncRNA ENST00000538790 and NR_125790 may play potential role in diagnosis of parathyroid carcinoma.

Objective:To evaluate the effect of VX-765 on cognitive function in acute rapid eye movement (REM) sleep-deprived juvenile rats.Methods:Thirty-six clean-grade healthy male Sprague-Dawley rats, aged 3-4 weeks, weighing 52-101 g, were divided into 3 groups ( n=12 each) using a random number table method: control group (group C), acute REM group (group AREM) and VX-765 group (group V). Sleep deprivation model was established by modified multi-platform water environment method.In group V, VX-765 solution 10 mg/kg was intravenously injected via the tail vein at 9: 00 a. m.every day for 4 consecutive days.The equal volume of normal saline was given instead in C and AREM groups.Morris water maze and novel object recognition tests were performed for 4 consecutive days during sleep deprivation.The rats were then sacrificed after the end of Morris water maze and novel object recognition tests on 5th day, and hippocampi were removed for determination of the expression of interleukin-1beta (IL-1β) and IL-18 by Western blot. Results:Compared with group C, the latency of novel object recognition was significantly prolonged, the percentage of novel object exploration was shortened, and the number of head exploration was decreased, the percentage of novel object exploration and discrimination index were decreased, the number of crossing the original platform in Morris water maze test was reduced, the time of staying at the target quadrant was shortened, and the expression of IL-1β and IL-18 was up-regulated in AREM and V groups ( P<0.05). Compared with group AREME, the latency of novel object recognition was significantly shortened, the percentage of novel object exploration was prolonged, and the number of head exploration was increased, the percentage of novel object exploration and discrimination index were increased, the number of crossing the original platform in Morris water maze test was increased, the time of staying at the target quadrant was prolonged, and the expression of IL-1β and IL-18 was down-regulated ( P<0.05). Conclusion:VX-765 can improve the cognitive function in acute REM sleep-deprived juvenile rats, which is related to inhibiting hippocampal inflammatory responses.

Objective To construct a CaME141G fusion protein-expressing plasmid,and to express,purify,and identify the activity of the recombinant protein. Methods The 141st site of the wild type CaM,E (GAG),was mutated to G (GGG),using site-specific mutagenesis technology. Escherichia coli BL-21 was transformed with the mutant plasmid. The GST-CaME141G fusion protein was mass-cultured and induced for expression. Subsequently,the GST-CaME141G fusion protein was purified using GS-4B beads. PreScission protease was applied to remove the GST,the Bradford method used to determine the concentration of purified protein,and SDS-PAGE used to detect its relative molecular weight and purity. The GST pull-down assay was used to study the protein's biological activity. Results The CaME141G protein was successfully purified at a high concentration and purity. The protein could interact with PreIQ protein fragments from the myocardial CaV1. 2 calcium channel C terminal,in a CaME141G concentration-dependent manner. Therefore,CaME141G has the ability to bind with the CaV1. 2 calcium channel. Conclusion This study successfully constructed a CaME141G fusion protein-expressing plasmid and purified the CaME141G protein. This lays a foundation for regulating the function of CaM mutations in the myocardial CaV1. 2 calcium channel,and for the study of its relationship with diseases of the cardiovascular system.