1.Correlation between ICAM-1, CD62P, and inflammatory factors and cerebral artery stenosis in patients with acute cerebral infarction
Yunying WU ; Tao HAN ; Yanbo CHENG ; Qian ZHAO
Journal of Public Health and Preventive Medicine 2025;36(5):89-92
Objective To investigate the correlation between levels of intercellular adhesion molecule-1 (ICAM-1), platelet surface P-selectin (CD62P), and inflammatory factors and cerebral artery stenosis in patients with acute cerebral infarction (ACI). Methods A total of 305 patients with ACI complicated with cerebral artery stenosis admitted to Zhongwu Hospital of Suqian City and Xinyi People's Hospital from January 2021 to December 2023 were selected as the research subjects. According to the degree of cerebral artery stenosis, they were divided into grade I group (stenosis degree<50%, n=85), grade II group (stenosis degree of 50%-75%, n=128), and grade III group (stenosis degree>75%, n=92). Sixty-eight ACI patients without cerebral artery stenosis during the same period were included in the reference group. The levels of serum inflammatory factors [C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-8 (IL-8)], ICAM-1 and CD62P were compared among the four groups. Spearman analysis was used to analyze the correlation between each factor and degree of cerebral artery stenosis. Results The levels of CRP, TNF-α, IL-6, IL-8, ICAM-1 and CD62P in the grade I, II and III groups were higher than those in the reference group. The levels of these factors were higher in the grade II and III groups than those in the grade I group, while the levels of various factors were higher in the grade III group than those in the grade II group (P<0.05). Spearman analysis showed that CRP, TNF-α, IL-6, IL-8, ICAM-1, and CD62P were positively correlated with the degree of cerebral artery stenosis in patients with ACI complicated with cerebral artery stenosis (P<0.05). Conclusion The levels of serum inflammatory factors, ICAM-1 and CD62P are significantly correlated with cerebral artery stenosis degree in patients with ACI.
2.Improvement of neutral protease activity of Bacillus amyloliquefaciens LX-6 by combined ribosome engineering and medium optimization and its application in soybean meal fermentation.
Yifan ZHU ; Xinyi HUANG ; Tao HAN ; Jiteng WANG ; Xiaoping YU ; Zheng MA
Journal of Zhejiang University. Science. B 2025;26(8):805-812
Soybean meal (SBM) prepared by soybean crushing is the most popular protein source in the poultry and livestock industries (Cai et al., 2015) due to its economic manufacture, high protein content, and good nutritional value. Despite these benefits, SBM contains various antigen proteins such as glycinin and β-conglycinin, which account for approximately 70% of the total proteins of the SBM and reduce digestibility and damage intestinal function (Peng et al., 2018). Treating SBM with proteases (neutrase, alcalase, and trypsin) or fermentation can eliminate these antigen proteins (Contesini et al., 2018). Because of its safety and rapid growth cycle, Bacillus strains are considered ideal for the fermentation industry (Yao et al., 2021). SBM fermented by Bacillus yields products with high nutritional value and low levels of antinutritional factors (ANFs), stimulating research in this area (Yuan et al., 2017). Kumari et al. (2023) demonstrated that fermentation with Bacillus species effectively degrades antigen proteins and increases crude protein content. The degradation of antigen proteins relies on protease hydrolysis. Low protease production is the major obstacle hindering the widespread use of microbial fermentation techniques.
Bacillus amyloliquefaciens/metabolism*
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Fermentation
;
Glycine max/metabolism*
;
Soybean Proteins/metabolism*
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Peptide Hydrolases/metabolism*
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Ribosomes/metabolism*
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Globulins
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Antigens, Plant
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Seed Storage Proteins
3.The mechanism of Laggerae Herba in improving chronic heart failure by inhibiting ferroptosis through the Nrf2/SLC7A11/GPX4 signaling pathway
Jinling XIAO ; Kai HUANG ; Xiaoqi WEI ; Xinyi FAN ; Wangjing CHAI ; Jing HAN ; Kuo GAO ; Xue YU ; Fanghe LI ; Shuzhen GUO
Journal of Beijing University of Traditional Chinese Medicine 2025;48(3):343-353
Objective:
To investigate the role and mechanism of the heat-clearing and detoxifying drug Laggerae Herba in regulating the nuclear factor-erythroid 2-related factor-2(Nrf2)/solute carrier family 7 member 11 (SLC7A11)/glutathione peroxidase 4 (GPX4) signaling pathway to inhibit ferroptosis and improve chronic heart failure induced by transverse aortic arch constriction in mice.
Methods:
Twenty-four male ICR mice were divided into the sham (n=6) and transverse aortic arch constriction groups (n=18) according to the random number table method. The transverse aortic arch constriction group underwent transverse aortic constriction surgery to establish models. After modeling, the transverse aortic arch constriction group was further divided into the model, captopril, and Laggerae Herba groups according to the random number table method, with six mice per group. The captopril (15 mg/kg) and Laggerae Herba groups (1.95 g/kg) received the corresponding drugs by gavage, whereas the sham operation and model groups were administered the same volume of ultrapure water by gavage once a day for four consecutive weeks. After treatment, the cardiac function indexes of mice in each group were detected using ultrasound. The heart mass and tibia length were measured to calculate the ratio of heart weight to tibia length. Hematoxylin and eosin staining were used to observe the pathological changes in myocardial tissue. Masson staining was used to observe the degree of myocardial fibrosis. Wheat germ agglutinin staining was used to observe the degree of myocardial cell hypertrophy. Prussian blue staining was used to observe the iron deposition in myocardial tissue. An enzyme-linked immunosorbent assay was used to detect the amino-terminal pro-brain natriuretic peptide (NT-proBNP) and glutathione (GSH) contents in mice serum. Colorimetry was used to detect the malondialdehyde (MDA) content in mice serum. Western blotting was used to detect the Nrf2, GPX4, SLC7A11, and ferritin heavy chain 1 (FTH1) protein expressions in mice cardiac tissue.
Results:
Compared with the sham group, in the model group, the ejection fraction (EF) and fractional shortening (FS) of mice decreased, the left ventricular end-systolic volume (LVESV) and left ventricular end-systolic diameter (LVESD) increased, the left ventricular anterior wall end-systolic thickness (LVAWs) and left ventricular posterior wall end-systolic thickness (LVPWs) decreased, the ratio of heart weight to tibia length increased, the myocardial tissue morphology changed, myocardial fibrosis increased, the cross-sectional area of myocardial cells increased, iron deposition appeared in myocardial tissue, the serum NT-proBNP and MDA levels increased, the GSH level decreased, and Nrf2, GPX4, SLC7A11, and FTH1 protein expressions in cardiac tissue decreased (P<0.05). Compared with the model group, in the captopril and Laggerae Herba groups, the EF, FS, and LVAWs increased, the LVESV and LVESD decreased, the ratio of heart weight to tibia length decreased, the myocardial cells were arranged neatly, the degree of myocardial fibrosis decreased, the cross-sectional area of myocardial cells decreased, the serum NT-proBNP level decreased, and the GSH level increased. Compared with the model group, the LVPWs increased, the iron deposition in myocardial tissue decreased, the serum MDA level decreased, and Nrf2, GPX4, SLC7A11, and FTH1 protein expressions in cardiac tissue increased (P<0.05) in the Laggerae Herba group.
Conclusion
Laggerae Herba improves the cardiac function of mice with chronic heart failure caused by transverse aortic arch constriction, reduces the pathological remodeling of the heart, and reduces fibrosis. Its mechanism may be related to Nrf2/SLC7A11/GPX4 pathway-mediated ferroptosis.
4.Visual analysis of the current status of research on traditional Chinese medicine treatment for allergic rhinitis
Wenhui HUANG ; Danni HUI ; Mengjie HAN ; Xinyi HUANG ; Erle LI ; Yajuan XUE
China Modern Doctor 2025;63(1):6-9,42
Objective To analyze the hotspots and frontiers of traditional Chinese medicine treatment for allergic rhinitis(AR)in China,aiming to provide reference for the treatment of AR patients in China.Methods Literatures related to traditional Chinese medicine treatment of AR published by CNKI,Wanfang Data and VIP database from January 2004 to December 2023 were searched,and CiteSpace software was used for visual analysis of the number of literatures,key words,research institutions and authors.Results A total of 1604 literatures were included,and the annual number of literatures generally showed an upward trend.The research frontiers in the last 5 years include medication patterns,immune function,quality of life,data mining,and thumbtack needle.The top five institutions in terms of publications were Beijing University of Traditional Chinese Medicine,Tianjin University of Traditional Chinese Medicine,Nanjing University of Traditional Chinese Medicine,the First Affiliated Hospital of Beijing University of Traditional Chinese Medicine,and Chengdu University of Traditional Chinese Medicine.The core authors were Yuan Weiling,Yan Daonan,Zhao Jiping,Zhang Qinxiu,and Feng Weiyun.Conclusion The application of traditional Chinese medicine in treatment of AR has always been in a high research heat,and giving full play to the characteristics of traditional Chinese medicine can be the development direction of AR research in the future.
5.Analysis of Association between Digital Transformation and Management of Quality and Safety in Public Hospitals
Xiao HAN ; Xinyi LIU ; Songxuan YU ; Lengchen HOU ; Guohong LI
Chinese Hospital Management 2025;45(2):14-17
Objective To explore the relationship between the digital transformation of public hospitals and hospital quality and safety management,providing evidence for hospital digital transformation development and policy formulation.Methods Hospital management data from Shanghai municipal hospitals were collected,and a questionnaire was used to assess the current state of digital transformation.A panel regression of time-fixed effects analysis was performed to examine the correlation between various digital transformation variables and quality and safety performance in 8 Shanghai municipal hospitals from January 2023 to May 2024.Results Hospital digital system construction,digital service level,digital investment and digital research are significantly positively correlated with patient safety and service efficiency,and negatively correlated with the incidence of negative safety events in readmissions,venous thromboembolism and unplanned reoperation.The level of digital services was associated with a reduction in average length of stay.Increased digital investment was associated with not only decreased proportion of medication costs,but also an increase in the proportion of consumable costs,other categories of expenditures,and finally average costs.Conclusion While digital transformation improves hospital quality and safety,it also leads to an increased disease burden for patients.Therefore,further evidence is needed to analyze the cost-effectiveness of different digital transformation pathways.
6.Expression of lncRNA MCTP1-AS1 in cervical cancer tissues and its regulatory mechanism on proliferation and invasion of cervical cancer cells
Linyan CAO ; Fang LIU ; Jing HAN ; Xinyi XIA ; Jie GAO ; Jiayan ZHOU
China Modern Doctor 2025;63(20):1-5
Objective To investigate the effect of long noncoding RNAMCTP1-AS1 on the proliferation and invasion of cervical cancer cells and its related mechanisms.Methods The Cancer Genome Atlas database was used to analyze the expression of MCTP1-AS1 in cervical cancer tissues and normal cervical tissues,and the correlation between the expression level of MCTP1-AS1 and the pathological stage of cervical cancer patients was analyzed.The expression of MCTP1-AS1 in cervical cancer cell lines HCC1106,HCC94,SiHa,Hela,C33A and normal cervical epithelial cells H8 was detected.Hela cells were transfected with pcDNA-Ctrl plasmid(Ctrl group)and pcDNA-MCTP1-AS1 plasmid(MCTP1-AS1 group),respectively.the proliferation and invasion ability of Hela cells were detected,respectively.the expression of proliferation proteins CDK2 and Cyclin A and invasion proteins N-cadherin and ZEB1 in Hela cells were detected,the targeting relationship between MCTP1-AS1 and miR-10a-5p were verified.The expression of miR-10a-5p in Hela cells was detected.Results Compared with normal cervical tissue,the expression of MCTP1-AS1 in cervical cancer tissue was significantly decreased(P<0.01).The expression level of MCTP1-AS1 was negatively correlated with the pathological stage of cervical cancer patients(P<0.01).Compared with H8 cells,the expression of MCTP1-AS1 in cervical cancer cell lines HCC1106,HCC94,SiHa,Hela,and C33A were significantly decreased(P<0.01).Compared to Ctrl group,overexpression of MCTP1-AS1 significantly reduced the levels of proliferative proteins CDK2 and Cyclin A,as well as invasive proteins N-cadherin and ZEB1 in Hela cells.MCTP1-AS1 directly binds to miR-10a-5p(P<0.01).Compared to Ctrl group,MCTP1-AS1 group showed a significant decrease in miR-10a-5p expression in Hela cells(P<0.01).Conclusion MCTP1-AS1 expression is downregulated in cervical cancer tissues and cells,and MCTP1-AS1 expression is negatively correlated with the pathological stage of cervical cancer patients.MCTP1-AS1 inhibits the proliferation and invasion of cervical cancer cells by targeting miR-10a-5p.
7.Visualizationforbibliometricanalysis of current status in research field of digital health and digital medicine
Xinyi FANG ; Han YU ; Anwei LIU ; Yining LUO ; Lei CUI
China Medical Equipment 2025;22(3):108-114
Objective:To analyze the current status of the research in two emerging fields-digital health and digital medicine,and the distinctions and interconnections between them,and to explore critical cognitionfor benign development of this field.Methods:Based on bibliometric method,this study analyzed 1 747 papers published in two Q1 journals categorized under"medical informatics"in Chinese Academy of Sciences Journal Citation Reports between January 1st,2019,and June 30th,2024.A biclustering analysis of highly cited and source article was conducted using a"co-cited literature clustering and all articles citing this cluster"approach.Results:In 1 747 literature,a total of 28 classic high cited articles in digital medicinejournals and digital health journals were screened out afterthe literatures of irrelevant citations were deleted,and then,they were further analyzed.The clustering performancesof similar clusters for high cited articles of two kinds of journals were similar,and the difference of intra-cluster similarity(Isim)between them was not statistically significant(P>0.05).The inter-cluster similarity(Esim)of digital health journal was 0.0480,which was significantly higher than that of digital health journal,and the difference of that between them wasstatistically significant(t=-3.925,P<0.05).The clustering result of digital medicine was better,which whole research direction could be divided into deep learning-based ophthalmic medical image analysis,image recognition with artificial intelligence(AI),algorithm model of using AI,reporting standard and assessment method of digital medicine and scientific research by using AI.However,the contents of high cited literatures of digital health field had a lot of overlap with digital medicine field,and various clusters of literature have inconsistent themesafter these literatures were clustered.Conclusions:Research of digital medicine is tending towards two primary directions:specific application of AI,and theimprovement of digital medical standards and processes.Meanwhile,the articles and literatures with high quality in digital health still cannot divorce the medical field,and the discipline system still is immature.
8.Luspatercept combined with roxadustat in the treatment of refractory myelodysplastic neoplasms with ring sideroblasts: a prospective, randomized, single-center study
Xinyi LU ; Zhuxin ZHANG ; Ziwei LIU ; Chen YANG ; Miao CHEN ; Bing HAN
Chinese Journal of Hematology 2025;46(7):625-630
Objective:To evaluate the efficacy and safety of luspatercept combined with roxadustat in patients with refractory low-risk myelodysplastic neoplasms with ring sideroblasts (MDS-RS) patients.Methods:In this single-center, prospective, randomized controlled trial, patients with refractory MDS-RS were randomly assigned in a 1:2 ratio to receive either combination therapy (luspatercept + roxadustat) or luspatercept monotherapy. The primary endpoint was erythroid response at 12 weeks, while secondary endpoints included erythroid response at 24 weeks, achievement of transfusion independence ≥8 weeks within the first 12 weeks, and other hematologic indicators.Results:The combination therapy and monotherapy groups included 16 and 32 patients, respectively. Baseline demographic characteristics, laboratory tests, IPSS-R risk classification, transfusion burden, EPO levels, and previous treatment history were comparable between the two groups ( P>0.05). With similar doses of luspatercept and follow-up durations, no significant differences were observed between the groups at either 12 or 24 weeks in terms of erythroid response, transfusion independence, or other clinical indicators (all P-values>0.05). The incidence of adverse events was similar in both groups (all P-values>0.05) . Conclusion:Luspatercept combined with roxadustat shows comparable efficacy and safety to luspatercept monotherapy in the treatment of refractory low-risk MDS-RS. Clinical trial register: Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing (K3697)
9.Progress on diagnosis and treatment of metastatic vulval Crohn's disease
Mengjie LU ; Xinyi TANG ; Shuangshuang HAN ; Can WANG ; Lichao QIAO ; Bolin YANG
Chinese Journal of Inflammatory Bowel Diseases 2025;09(2):149-153
Metastatic Crohn's disease (MCD) represents one of the rare cutaneous extraintestinal manifestations in patients with Crohn's disease. The genital area, particularly the vulva in females, is the most commonly affected site in MCD. However, clinical cases of metastatic vulval Crohn's disease (MVCD) are relatively scarce, and the symptoms often lack specificity, making differential diagnosis challenging. This article aims to summarize the clinical characteristics, diagnostic approaches, and treatment modalities of MVCD, thereby providing a reference for the clinical management of this condition.
10.Genetic diversity analysis of oxacillinase in 241 clinical isolates of Pseudomonas aeruginosa
Yuelong LI ; Jingyi ZHANG ; Yubing FU ; Meiqing SUN ; Beibei MIAO ; Xinyi GONG ; Xiao HAN ; Huan XING ; Pengfang GAO ; Jiachen LI ; Yating TANG ; Xinya FAN ; Yanlei GE ; Haijian ZHOU ; Juan LI ; Aiying DONG
Chinese Journal of Preventive Medicine 2025;59(7):1004-1012
Objective:To analyze the carriage status, subtype distribution and flanking gene sequence characteristics of oxacillinases (OXA enzyme) in 241 clinical strains of Pseudomonas aeruginosa, and assess their roles in the drug resistance of Pseudomonas aeruginosa and ability to horizontally transfer across species. Methods:Clinical P. aeruginosa isolates were collected from four hospitals in Sanya, Tangshan, Zhangjiakou, and Beijing. The prevalence of oxacillinases and their flanking gene sequences was analyzed by whole-genome sequencing (NGS) and bioinformatic approaches. Results:A total of 241 isolates of P. aeruginosa were gathered, and 35 blaOXA subtypes were identified through screening of 252 blaOXA genes. These genes were classified into three subfamilies: blaOXA-50-like (241, 95.6%), blaOXA-1-like (9, 3.6%) and blaOXA-10-like (2, 0.8%). Among these, 11 subtypes (11, 31.4%) were novel blaOXA subtypes. Nine of these belonged to the blaOXA-50-like subfamily and were designated as blaOXA-1244, blaOXA-1245, blaOXA-1246, blaOXA-1250, blaOXA-1252, blaOXA-1253, blaOXA-1254, blaOXA-1255, and blaOXA-1256. The remaining two belonged to the blaOXA-10-like subfamily and were named blaOXA-1247 and blaOXA-1248. Compared to the amino acid sequence of OXA-10, the newly identified subtype OXA-1247 exhibited a mutation at position 117, where a valine was replaced by a leucine. This change was thought to improve the enzyme′s ability to hydrolyze carbapenems. In the analysis of the flanking sequences of the blaOXA genes, Class I integrons were identified in four bacterial strains. The variable regions of these integrons carried three distinct patterns of resistance gene cassettes: aac( 6′) -Ib-blaOXA-1247-ant( 3′′) -Ia, aac( 6′) -Ib-blaOXA-1248 and aac( 6′) -Ib- blaIMP-45-blaOXA-1-catB3. Among these, the strain BJ2326 carried a class I integron that was connected to the downstream IS CR1 element to form a composite class I integron structure, additionally carrying the resistance gene blaPER-1. Out of the 223 non-wild-type P. aeruginosa strains, 127 strains exhibited non-wild-type profiles to the four beta-lactam antibiotics MEM, CAZ, FEP, and TZP, with the combination of MEM+CAZ+FEP being the most prevalent, representing 57.0% of the total. Conclusions:The blaOXA genes in 241 clinical P. aeruginosa strains showed diversity. Some blaOXA genes had a co-transfer risk with the metallo-β-lactamase resistance gene blaIMP-45. Among the 11 newly discovered blaOXA subtypes, the new subtype OXA-1247 may have carbapenemase activity and potential for horizontal transfer.


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