OBJECTIVE To investigate the effectiveness of different bacterial cleaning methods and their effects on the general condition,nasal mucosal and systemic inflammation of mice.METHODS A total of 44 mice were randomly divided into six groups:4-antibiotic per os group(4ABX po)with 7 mice,5-antibiotic oral gavage group(5ABX og)with 8 mice,5-antibiotic intranasal group(5ABX in)with 8 mice,and each of their control groups with 7 mice.Body weight,water intake,and peripheral blood routine test of mice were measured.Bacterial culture of nasal lavage fluid(NLF)was performed;mRNA level of inflammatory mediators and histopathological analysis were conducted with mouse nasal mucosa.RESULTS Bacteria were cultured from all control groups,while Bacteria were cultured from all control groups,while one mouse in the 4ABX po group,three mice in the 5ABX og group,and two mice in the 5ABX in group showed no bacterial growth.The number of goblet cells in the nasal mucosa significantly increased in the 5ABX og group compared with its control group(P<0.05).The 5ABX in group exhibited significantly higher counts of peripheral blood lymphocytes and hemoglobin levels,as well as greater nasal mucosal thickness compared with its control group,with a notable decrease in goblet cells(P<0.05).No statistical differences were observed in body weight or the mRNA expression of nasal mucosal inflammatory mediators.CONCLUSION Different combinations of antibiotics and administration routes have varying effects on nasal bacteria,systemic and nasal mucosal inflammation in mice.Therefore,choosing appropriate protocols is crucial for the progression of subsequent research.

Mineral oil contaminants composed of saturated hydrocarbons(MOSH)and aromatic hydrocarbons(MOAH)are commonly found in edible oils and related processed foods.Currently,the analysis of mineral oils primarily employs the liquid chromatography-gas chromatography-flame ionization detector(LC-GC-FID)method.Liquid chromatography is used to purify and separate MOSH and MOAH from interfering substances,and the interface technology transfers MOSH or MOAH into different GC channels for quantitative analysis.The MOSH and MOAH chromatograms typically exhibit an irregular hump shape,with sharp peaks above the hump representing natural hydrocarbon interferences,which usually do not affect the identification of the hump profile.However,when the purification of interferences is incomplete,they can form one or more gaps above the hump,interfering with the accurate judgment and delineation of the hump profile,and leading to poor reproducibility of analysis results of mineral oil.In this study,an algorithm that mimicked the manual drawing of the hump shape or contour was proposed for automatically determining the mineral oil hump contour(i.e.,the lower envelope line).The algorithm used a multiple second-order difference quotient filtering method to identify and remove the gaps above the hump.The method involved first searching and determining the lowest value of the mineral oil hump,which was the valley point sequence,and then applying second-order difference quotient filtering to the valley point sequence.Compared to the hump,the second-order difference quotient of sharp peaks was a significantly larger negative value.By filtering out the points in the valley point sequence with larger negative second-order difference quotients(or multiple second-order difference quotients),the sharp peaks above the hump were removed.To verify the accuracy of the algorithm,42 different types of samples,including edible oils and milk powders were analyzed,using both the automatic algorithm and manual methods.The results showed that there were no significant differences in the detected mineral oil contents between these two methods.

Objective:To develop and verify a nomogram risk prediction model for stroke-associated pneumonia (SAP) based on the classification of the Kubota water swallowing test (WST) combined with multiple clinical parameters.Methods:Patients with acute stroke admitted to the emergency department, Beijing Jingmei Group General Hospital from August 2015 to March 2024 were retrospectively included. According to whether SAP occurred, the patients were divided into the SAP group and the non-SAP group. Multivariate logistic regression analysis was applied to screen the independent predictors of SAP, and a nomogram prediction model was developed accordingly. The predictive performance of the model was evaluated by the receiver operating characteristic (ROC) curve, calibration curve and decision curve analysis. Results:A total of 298 patients with acute stroke were included, including 180 males (60.4%), aged (63.8±11.4) years. The time from onset to WST was (81±22) h. The WST classification assessment shows that grade Ⅰ-Ⅱ accounts for 60.4%, and grade Ⅲ-Ⅴ accounts for 39.6%. A total of 78 cases (26.2%) had SAP. Multivariate logistic regression analysis showed that age (odds ratio [ OR] 1.04, 95% confidence interval [ CI] 1.01-1.07; P=0.014), the baseline National Institutes of Health Stroke Scale score ( OR 1.11, 95% CI 1.05-1.18; P=0.002), the WST classification (Grade Ⅲ-Ⅴ vs. grade Ⅰ-Ⅱ: OR 2.05, 95% CI 1.30-3.22; P=0.001), neutrophil/lymphocyte ratio ( OR 1.26, 95% CI 1.11-1.43; P=0.005) and indwelling gastric tube ( OR 1.88, 95% CI 1.20-2.95; P=0.010) are independent predictors of SAP. ROC curve analysis showed that the area under the curve of SAP predicted by the nomogram model based on the above risk factors was 0.801 (95% CI 0.784-0.898; P<0.001). The model showed good calibration, and the decision curve analysis showed that the clinical net benefit was relatively high in the threshold range of 13% to 82%. Conclusion:The nomogram model based on WST has a relatively high predictive value for SAP.

Objective:To explore the intervention effects of the "four-steps tendon resetting and collaterals dredging manipulation" on the symptoms and muscle status of calf muscle group of patients with chronic ankle sprains.Methods:This study was a prospective self-controlled clinical trial. A total of 39 patients with chronic ankle sprains who sought treatment at the basic units from April to September 2023 and Rehabilitation Medicine Center of Characteristic Medical Center of PLA Rocket Force from February to October 2023 were recruited. The "four-steps tendon resetting and collaterals dredging manipulation" was employed for treatment, with two sessions conducted per patient and one session per week. Pain levels were assessed using the Visual Analog Scale (VAS), ankle joint function was evaluated using the Ankle Osteoarthritis Scale and Function Assessment (AOFAS) score, and MyotonPRO digital palpation instrument was used to measure bilateral triceps and peroneal longus muscles and evaluate muscle status.Results:Compared with before treatment, VAS scores decreased ( t values were 5.85, 5.97, respecively, P<0.001) and AOFAS scores increased ( Z values were -4.59, -4.68, respecively, P<0.001). Before the first treatment and after the second treatment, the damping vibration frequency (Freq) of the affected and healthy triceps and peroneal muscles increased ( t values were -3.09,-2.92,-2.97,-2.28, respecively, P<0.05), the muscle stiffness (Stiff) increased ( t values were -3.12, -2.99, -2.88, -2.15, respecively, P<0.05), and the logarithmic attenuation value (Decr) of the damping vibration of the healthy calf triceps muscle decreased ( t=-2.31, P<0.05); Compared before and after the first treatment, the Decr value ( t=-2.51, P<0.05) and Stiff value ( t=-2.05, P<0.05) of the affected fibular longus muscle increased, while the Ferq, Decr, and Stiff values of the healthy calf triceps muscle increased before and after treatment ( t values were -2.92, -2.13, -2.64, respecively, P<0.05); before and after the second treatment, the Freq values of the triceps and peroneal longus muscles on the affected and healthy sides increased ( t values were -4.28, -2.67, -2.69, -2.38, respecively, P<0.05) and Stiff values increased ( t values were -4.24, -3.43, -3.87, -2.33, respecively, P<0.05); there was no statistical significance in Ferq, Decr, and Stiff values between the affected and healthy sides before and after the first and second treatments ( P>0.05). Conclusion:The "four-steps tendon resetting and collaterals dredging manipulation" can improve the symptoms of chronic ankle sprains and significantly change the muscle condition of the affected and healthy sides of the calf. The mechanism may be related to the neuromuscular control mechanism.

With reference to the Information and Documentation-Resource Description (GB/T 3792-2021) and Bibliographical Description for Ancient Chinese Books (GB/T 3792.7-2008) and other cataloging standards and rules, drawing on the practical experience of cataloging ancient TCM books, Bibliographical Cataloging for Ancient TCM Books was formulated. This standard specifies the entry items and their order of ancient TCM books, cataloging identifier, cataloging text, cataloging information source, and cataloging item details. The standard can provide standardized and unified guiding principles and methods for the work of ancient TCM books, and promote the sharing and utilization of ancient TCM books.

Objective: To compare the transcriptomic profiles between three distinct metabolic dysfunction⁃associat⁃mal murine model that more closely resembles human MASH progression . Methods: Forty 8 ⁃week⁃old male C57BL/6J mice were randomly assigned to either a control group fed normal chow diet ( NCD) or one of three MASH model groups receiving high⁃fat high⁃cholesterol diet (HFHCD) , choline⁃deficient high⁃fat diet (CDHFD) ,from three randomly selected mice per group were collected for mRNA sequencing ( mRNA⁃seq) analysis . Mean⁃bases . Overlap of functional profiles was analyzed by gene set enrichment analysis (GSEA) profiles to compare the mouse transcriptome with that of human patients at different stages of the disease . Additionally , Pearson ′s correla⁃tion analysis was used to explore the correlation between gene expression of murine models and human MASH . Results: Seven commonly up⁃regulated genes (Col1a1 , Smoc2 , Col6a1 , Gpx3 , Col16a1 , Spp1 and Crtap) were de⁃ways involving steatosis , hepatocellular injury and fibrosis were detected in the three MASH models at the pathway level . HFHCD and MCD might share more common traits . In comparing gene expression and pathway profiles be⁃tween different murine models and patients with different stages of MASH , all three murine MASH models showed a closer resemblance to the human progressive stages of MASH . Notably , the transcriptomic features of the CDHFD model were more consistent with those of human MASH . Conclusion There are certain similarities and differences among the transcriptional profiles of the three MASH models . The MASH models are more similar to the advanced stage of MASH in human patients . Compared to the other two models , the CDHFD model ′ s transcriptome profile more closely resembles human MASH .

BACKGROUND:Neuregulin 1 has been shown to be characterized in cell proliferation,differentiation,and vascular growth.Human amniotic mesenchymal stem cells are important seed cells in the field of tissue engineering,and have been shown to be involved in tissue repair and regeneration. OBJECTIVE:To construct human amniotic mesenchymal stem cells overexpressing neuregulin 1 and investigate their proliferation and migration abilities,as well as their effects on wound healing. METHODS:(1)Human amniotic mesenchymal stem cells were in vitro isolated and cultured and identified.(2)A lentivirus overexpressing neuregulin 1 was constructed.Human amniotic mesenchymal stem cells were divided into empty group,neuregulin 1 group,and control group,and transfected with empty lentivirus and lentivirus overexpressing neuregulin 1,or not transfected,respectively.(3)Edu assay was used to detect the proliferation ability of the cells of each group,and Transwell assay was used to detect the migration ability of the cells.(4)The C57 BL/6 mouse trauma models were constructed and randomly divided into control group,empty group,neuregulin 1 group,with 8 mice in each group.Human amniotic mesenchymal stem cells transfected with empty lentivirus or lentivirus overexpressing neuregulin-1 were uniformly injected with 1 mL at multiple local wound sites.The control group was injected with an equal amount of saline.(5)The healing of the trauma was observed at 1,7,and 14 days after model establishment.Histological changes of the healing of the trauma were observed by hematoxylin-eosin staining.The expression of CD31 on the trauma was observed by immunohistochemistry. RESULTS AND CONCLUSION:(1)Human amniotic mesenchymal stem cells overexpressing neuregulin-1 were successfully constructed.The mRNA and protein expression of intracellular neuregulin 1 was significantly up-regulated compared with the empty group(P<0.05).(2)The overexpression of neuregulin 1 promoted the migratory ability(P<0.01)and proliferative ability of human amniotic mesenchymal stem cells(P<0.05).(3)Human amniotic mesenchymal stem cells overexpressing neuregulin 1 promoted wound healing in mice(P<0.05)and wound angiogenesis(P<0.05).The results showed that overexpression of neuregulin 1 resulted in an increase in the proliferative and migratory capacities of human amniotic mesenchymal stem cells,significantly promoting wound healing and angiogenesis.

Purpose: Diagnosing sarcopenia necessitates the measurement of skeletal muscle mass. However, guidelines lack a standardized imaging modality with thresholds validated among Asians. This systematic review compared ultrasonography, computed tomography (CT), magnetic resonance imaging (MRI), and bioelectrical impedance analysis (BIA)/body composition monitoring in the detection of sarcopenia within Asian populations. Methods: PubMed and Embase were systematically searched for studies analyzing ultrasonography, CT, MRI, and BIA in diagnosing sarcopenia among Asians. Study quality was assessed using the Newcastle-Ottawa scale. Results: Pooled findings from 21,598 patients across 25 studies were examined. In receiver operating characteristic analysis, ultrasound displayed a pooled mean area under the curve (AUC) of 0.767 (95% confidence interval [CI], 0.709–0.806), with mean sensitivity of 81.1% (95% CI, 0.744–0.846) and specificity of 73.1% (95% CI, 0.648–0.774), for detecting sarcopenia in Asian populations. CT exhibited an AUC of 0.720 (sensitivity, 54.0%; specificity, 92.0%). MRI demonstrated an AUC of 0.839 (sensitivity, 67.0%; specificity, 66.0%). BIA displayed an AUC of 0.905 (95% CI, 0.842–0.968), 80.7% sensitivity (95% CI, 0.129–0.679), and 82.4% specificity (95% CI, 0.191–0.633). Conclusion Various modalities aid in diagnosing sarcopenia, and selection should be individualized. Although only BIA and dual-energy x-ray absorptiometry are recommended by the Asian Working Group for Sarcopenia and the European Working Group on Sarcopenia in Older People, ultrasound imaging may hold diagnostic value for sarcopenia in the Asian population. In certain groups, diagnostic use of CT and MRI is warranted. Future research can standardize and validate modality-specific thresholds and protocols within Asian populations.

Objective To investigate the effects of Yiqi Wenyang Lishui Formula(derived from Wuling San combined with Astragali Radix and Descurainiae Semen Lepidii Semen)on cardiac function and remodeling in heart failure(HF)patients with yang deficiency and fluid retention syndrome and to analyze risk factors for influencing therapeutic efficacy.Methods A total of 120 HF patients with yang deficiency and fluid retention syndrome admitted to Liaocheng Hospital of Traditional Chinese Medicine from February 2022 to January 2024 were enrolled and randomly divided into observation group(n=60)and control group(n=60)using a random number table.The control group received conventional western therapy,while the observation group received Yiqi Wenyang Lishui Formula additionally.Both groups were treated for 2 months.Changes in cardiac function indicators and remodeling markers were observed.Clinical efficacy was evaluated,and univariate and binary logistic regression analyses were performed to identify independent risk factors affecting treatment outcomes.Results(1)The total effective rate was 81.67％(49/60)in the observation group versus 70.00％(42/60)in the control group.Intergroup comparison(by chi-square test)showed that the efficacy in the observation group was superior to the control group(P＜0.05).(2)After treatment,both groups showed significant reductions compared to those before treatment in left ventricular end-diastolic diameter(LVEDD),left ventricular end-systolic diameter(LVESD),and N-terminal pro-brain natriuretic peptide(NT-proBNP)(P＜0.01).The reduction in LVEDD,LVESD,and serum NT-proBNP levels in the observation group was significantly greater than that in the control group(P＜0.05 or P＜0.01).(3)Univariate analysis revealed that New York Heart Association(NYHA)functional classification,LVEDD,LVESD,and NT-proBNP levels were significantly associated with the therapeutic efficacy of the Yiqi Wenyang Lishui Formula in heart failure patients with yang deficiency and fluid retention syndrome(P＜0.05).(4)Logistic regression identified NYHA classification,LVEDD,LVESD,and NT-proBNP as independent risk factors(P＜0.05)in affecting therapeutic effect of Yiqi Wenyang Lishui Formula in treating HF with yang deficency and fluid retention syndrome,increasing the risk of ineffective treatment by 4.12-fold,1.21-fold,1.19-fold,and 1.00-fold,respectively.Conclusion Yiqi Wenyang Lishui Formula effectively improves cardiac function and remodeling in HF patients with yang deficiency and fluid retention syndrome.NYHA classification,LVEDD,LVESD,and NT-proBNP are independent risk factors for influencing efficacy,warranting close monitoring for optimized therapeutic adjustments.