Inhibitory effect of royal jelly acid on proliferation of human colon cancer SW620 cells and its network pharmacological analysis / 吉林大学学报(医学版)

Objective:To discuss the effect of royal jelly acid(10-HDA)on the proliferation and migration of the human colon cancer SW620 cells based on the network pharmacology,and to clarify its related molecular mechanism.Methods:The active ingredients such as 10-HDA and their corresponding targets were retrieved by using the keyword"royal jelly"from the Traditiomal Chinese Medicine Systems Pharmacology(TMSCP)Database and the Traditiomal Chinese Medicine Integrated Database(TCMID);the small molecule targets were predicted by the Swiss Target Prediction Database.The GeneCards Database and the Online Mendelian Inheritance in Man(OMIM)Database were used to obtain the targets with the keyword"Colon Cancer";the protein-protein interaction(PPI)network was constructed by using the String Database and Cytoscape 3.8.0 Software to screen the core targets;the Gene Ontology(GO)function enrichment analysis and Kyoto Encyclopedia of Genes and Genomes(KEGG)signaling pathway enrichment analysis were analyzed by Metascape Database;the specific ingredient 10-HDA was screened for the in vitro activity experiments.The human colon cancer SW620 cells with good growth status were divided into control group and different doses(1,5,10,15,and 20 mmol·L-1)of 10-HDA groups.The viabilities of the cells in various groups were detected by MTT method and the survival rates of the cells were calculated.The SW620 cells were divided into control group,low dose(5 mmol·L-1)of 10-HDA group,middle dose(10 mmol·L-1)of 10-HDA group,and high dose(15 mmol·L-1)of 10-HDA group;Hoechst33342 staining method was used to observe the morphology of the cells in various groups;cell scratch test was used to detect the scratch healing rates of the cells in various groups;flow cytometry was used to detect the percentages of the cells at different cell cycles in various groups;biochemical method was used to detect the activities of total antioxidant capacity(T-AOC)and superoxide dismutase(SOD)in the cells in various groups;Western blotting method was used to detect the expression levels of B-cell lymphoma 2(Bcl-2),Bcl-2-associated X protein(Bax),cysteine-containing aspartate proteolytic enzyme-3(Caspase-3),cysteine-containing aspartate proteolytic enzyme-9(Caspase-9),glycogen synthase kinase 3β(GSK3β),β-catenin,and cyclin D1 proteins in the cells in various groups.Results:Six active ingredients of royal jelly were screened out by the TCMSP Database,and 28 core targets of 10-HDA in the treatment of colon cancer were obtained.The GO function enrichment analysis mainly included the signaling pathways such as cell proliferation and apoptosis.The KEGG signaling pathway enrichment analysis included the cell cycle,prostate cancer,cell senescence,and p53 signaling pathways;the GSK3β/β-catenin signaling pathway was closely related to the cell cycle.Compared with control group,the viabilities of the cells in 5,10,15,and 20 mmol·L-110-HDA groups were decreased in a dose-dependent manner(P<0.05 or P<0.01),the numbers of apoptotic cells in different doses of 10-HDA groups were significantly increased,and the scratch healing rates of the cells were significantly decreased(P<0.05 or P<0.01);the percentages of the cells at S phase in middle and high doses of 10-HDA groups were significantly increased(P<0.05 or P<0.01),the activities of T-AOC and SOD in the cells in different doses of 10-HDA groups were significantly decreased(P<0.05 or P<0.01).Compared with control group,the expression level of Bcl-2 protein in the cells in low dose of 10-HDA group was significantly decreased(P<0.01),and the expression level of GSK3β protein was significantly increased(P<0.05);compared with control group,the expression levels of Bax,Caspase-3,Caspase-9,and GSK3β proteins in the cells in middle and high doses of 10-HDA groups were significantly increased(P<0.05 or P<0.01),and the expression levels of Bcl-2,β-catenin,and CyclinD1 proteins were significantly decreased(P<0.01).Conclusion:10-HDA can significantly inhibit the proliferation and migration of the colon cancer cells and promote the apoptosis and oxidation levels of the colon cancer cells,and its mechanism may be related to the activation of the GSK3β/β-catenin signaling pathway.

Early prediction of severe acute pancreatitis based on improved machine learning models / 陆军军医大学学报

Objective To establish an early prediction model for the diagnosis of severe acute pancreatitis based on the improved machine learning models,and to analyze its clinical value.Methods A case-control study was conducted on 352 patients with acute pancreatitis admitted to the Gastroenterology and Hepatobiliary Surgery Departments of the Army Medical Center of PLA and Emergency and Critical Care Medicine Department of No.945 Hospital of Joint Logistics Support Force of PLA from January 2014 to August 2023.According to the severity of the disease,the patients were divided into the severe group(n=88)and the non-severe group(n=264).The RUSBoost model and improved Archimead optimization algorithm was used to analyze 39 routine laboratory biochemical indicators within 48 h after admission to construct an early diagnosis and prediction model for severe acute pancreatitis.The task of feature screening and hyperparameter optimization was completed simultaneously.The ReliefF algorithm feature importance rank and multivariate logistic analysis were used to analyze the value of the selected features.Results In the training set,the area under curve(AUC)of the improved machine learning model was 0.922.In the testing set,the AUC of the improved machine learning model reached 0.888.The 4 key features of predicting severe acute pancreatitis based on the improved Archimedes optimization algorithm were C-reactive protein,blood chlorine,blood magnesium and fibrinogen level,which were consistent with the results of ReliefF algorithm feature importance ranking and multivariate logistic analysis.Conclusion The application of improved machine learning model analyzing the laboratory examination results can help to early predict the occurrence of severe acute pancreatitis.

Effect of miR-192 on the proliferation,migration,and invasion ability of colorectal cancer cell lines / 国际检验医学杂志

Objective To study the effect of microRNA-192(miR-192)on the proliferation,migration and invasion ability of colorectal cancer(CC)cell lines.Methods Group A(SW1116 CC transfected with physio-logical saline),group B(SW1116 CC transfected with miR-192 mimics)and group C(SW1116 CC transfected with miR-192 inhibitor)were set up,respectively.Cell proliferation was detected by MTT assay,cell apoptosis was detected by flow cytometry,cell migration ability was detected by scratch assay,and cell invasion ability was detected by Transwell assay.Real-time fluorescence quantitative polymerase chain reaction(qRT-PCR)was used to detect the mRNA expression levels of miR-192 and WNT family member 2B(WNT2B)in each group.Results The survival rate and monoclonal number of SW1116 CC cells in group B were(57.32± 6.19)％and(284.59±15.08),which were lower than(76.21±8.23)％and(601.47±23.16)in group A and(89.52±10.62)％and(2 150.68±34.79)in group C,while the apoptosis rate in group B was(20.52± 2.52)％,which was higher than(13.78±1.62)％in group A and(11.62±1.41)％in group C.The survival rate and number of monoclonal formation of SW1116 CC cells in group C were higher than those in group A,while the apoptosis rate was lower than that in group A(all P＜0.05).The scratch width of SW1116 CC cells in group B was(785.10±46.18)mm,which was higher than(601.32±33.21)mm in group A and(326.99± 17.48)mm in group C,while the scratch width in group C was lower than that in group A.The number of per-forating cells in group B was(624.67±19.05),which was lower than(875.23±27.30)in group A and(1 204.17±34.59)in group C,and the number of perforating cells in group C was higher than that in group A(all P＜0.05).The relative expression level of miR-192 mRNA in SW1116 CC cells in group B was(3.01± 0.26),which was higher than(1.87±0.20)in group A and(0.97±0.23)in group C,and the relative expres-sion level of miR-192 mRNA in group C was lower than that in group A.The expression level of WNT2B mR-NA in group B was(2.16±0.26),which was lower than(4.11±0.50)in group A and(6.08±0.72)in group C,and the expression level of WNT2B mRNA in group C was higher than that in group A(all P＜0.05).Con-clusion miR-192 could inhibit the malignant evolution of CC,and one of its main mechanisms may be related to the regulation of WNT2B expression.

Honokiol inhibits the proliferation of human adipose-derived mesenchymal stem cells / 基础医学与临床

Objective To investigate the effects of honokiol on proliferation and apoptosis of human adipose-derived mesenchymal stem cells(hADSCs),and to investigate the effect of the drug on the tumor microenvironment.Methods hADSCs were incubated with different concentrations of honokiol,the proliferation of hADSCs was detec-ted by MTS and Trypan blue staining,and cell apoptosis was assessed by annexin V/PI double staining.In the meantime,expression of mRNA and protein related to cell proliferation and apoptosis were detected by qPCR and Western blot,respectively.The expression of total MEK,phosphorylated MEK,total ERK and phosphorylated ERK proteins in the MEK-ERK1/2 signaling pathway were detected by Western blot.Results The effect of honokiol on inhibiting proliferation and promoting apoptosis of hADSCs was significantly enhanced with the increase of concen-tration.The expressions of proliferation-related genes CCND1,MKI67 and PCNA were down-regulated.The expres-sions of pro-apoptotic genes BAX and TP53 was up-regulated,and the expressions of anti-apoptotic gene BCL2 was down-regulated.Honokiol inhibited MEK and ERK1/2 phosphorylation in a concentration-dependent manner.Conclusions Honokiol inhibits proliferation and promotes apoptosis of hADSCs,and the specific mechanism is po-tentially related to the inhibition of MEK-ERK1/2 pathway.

Mechanism of iron death induced by high homocysteine via TRPC6/NF-κb in glomerular podiatocytes / 实用医学杂志

Objective To investigate the mechanism of iron death induced by TRPC6/NF-κB in glomerular podiocytes mediated by high homocysteine(Hcy).Methods Mouse glomerulopocytes were cultured in vitro and divided into Control group(0 μmol/L Hcy)and Hcy group(80 μmol/L Hcy).After 48h of intervention,Western blot was used to detect the expression levels of iron death related proteins GPX4 and SLC7A11 and TRPC6 and NF-κ B.Real-time quantitative fluorescence PCR(qRT-PCR)and immunofluorescence were used to detect the expression of TRPC6.The level of podocyte apoptosis was detected by flow cytometry.Malondialdehyde(MDA)assay kit was used to determine intracellular MDA levels.After transfection of TRPC6 interference fragment and TRPC6 negative control(NC),qRT-PCR was divided into Control,si-NC and si-TRPC6(Si-TRPC6-1,Si-TRPC6-2,Si-TRPC6-3).Western Blot was divided into Control,Hcy,si-NC+Hcy,si-TRPC6+Hcy.The expression of TRPC6 mRNA was detected by qRT-PCR.The expression levels of GPX4,SLC7A11,NF-κB and TRPC6 were detected by Western Blot.The level of podocyte apoptosis after interference was detected by flow cytometry.Results(1)Compared with Control group,the expression levels of iron death related proteins GPX4 and SLC7A11 in Hcy group were decreased,and the apoptosis rate was increased(P<0.05).(2)Compared with Control group,TRPC6 protein,mRNA levels and immunofluorescence expression were increased in Hcy group.The level of MDA and the expression of NF-κB signaling pathway protein increased in Hcy group,and the comparison between the two groups had statistical significance(P<0.05).(3)Compared with the si-NC group,the mRNA expression level of TRPC6 in si-TRPC6(Si-TRPC6-1,Si-TRPC6-2,Si-TRPC6-3)group was decreased,and the interference effect of Si-TRPC6-3 was the best(P<0.05).After transfecting TRPC6 NC and TRPC6 interference fragment and administering Hcy,there was no difference in GPX4,SLC7A11,NF-κB and TRPC6 expression in si-NC+Hcy group compared with Hcy group.Compared with the si-NC+Hcy group,the si-TRPC6+Hcy group had higher expression of iron death related proteins,GPX4 and SLC7A11,lower expression of NF-κB and TRPC6,and decreased apoptosis rate(P<0.05).Conclusion This study confirmed that TRPC6/NF-κB can regulate iron death of renal podocytes under the induc-tion of Hcy,which is one of the mechanisms leading to kidney injury.

Frailty of patients with long-term maintenance dialysis and its influencing factors / 实用医学杂志

Objective To analyze the frailty of patients with long-term maintenance dialysis(MD)and its influencing factors,and to explore the correlation of different dialysis modalities with the re-infection of novel coronavirus infection(COVID-19)and frailty syndrome.Methods Patients with regular dialysis in Nephrology Department of the Second Affiliated Hospital of Kunming Medical University from February to June 2023 were selected.A cross-sectional survey was conducted to collect clinical data of the patients,including dialysis modality(i.e.maintenance hemodialysis,abbreviated as hemodialysis,and continuous ambulatory peritoneal dialysis,abbreviated as peritoneal dialysis),and whether with re-infection of COVID-19.Patients were divided into 3 groups using Fried's frailty phenotype(FP):non-frailty group,pre-or-intermediate frailty group,and frailty syndrome group.The clinical characteristics of the FP were compared among the three groups.The correlation of frailty with clinical data,dialysis modality,re-infection of COVID-19 in each group was compared.Multifactorial logistic regression was used to analyze the factors influencing the development of frailty syndrome in patients.Results A total of 246 dialysis patients were included in this study,with 77(31.3%)in the non-frailty group,83(33.7%)in the pre-frailty group and 86(35.0%)in the frailty syndrome group.The frailty syndrome group showed characteristics of advanced age,high pre-dialysis creatinine level,low serum albumin level and combined pleural effusion(all P＜0.05).There was no statistically significant difference in the comparison of frailty between the hemodialysis and peritoneal dialysis group(P = 0.960).COVID-19 re-positive patients had higher frailty score than non-re-positive patients.Multifactor logistic regression showed that age,COVID-19 re-infection of COVID-19,serum albumin,pre-dialysis creatinine,and pleural effusion were factors influencing the development of frailty syndrome in dialysis patients(P＜0.05).Conclusion There is high incidence of frailty syndrome in dialysis patients,and there is no correlation of frailty with dialysis modality.High serum albumin level is a protective factor for the development of frailty syndrome in patients,whereas re-infection of COVID-19,advanced age,high pre-dialysis blood creatinine level and pleural effusion are risk factors for the development of frailty syndrome.

Role of non-coding RNA and exosomes in pathogenesis of gestational diabetes mellitus and their early diagnostic value / 中国组织工程研究

BACKGROUND:In recent years,there have been many studies on the mechanism of exosomal non-coding RNA in gestational diabetes mellitus,but there is a lack of the latest systematic review of exosomes from different sources,especially placental sources. OBJECTIVE:To summarize the changes and potential roles of microRNA(miRNA),long non-coding RNA(lncRNA),circular RNA(circRNA),and exosomes in gestational diabetes mellitus to provide potential targets for early screening and treatment of clinical gestational diabetes mellitus. METHODS:A literature search was conducted on PubMed,Web of Science,China National Knowledge Infrastructure,WanFang Data,and VIP databases to retrieve relevant articles on non-coding RNA or exosomal non-coding RNA in relation to gestational diabetes mellitus.A total of 74 articles were included for review. RESULTS AND CONCLUSION:(1)Non-coding RNAs play important pathological and physiological roles in the lifecycle activities,and increasing evidences suggest that non-coding RNAs are involved in the occurrence and development of gestational diabetes mellitus by regulating various physiological functions.This provides a new direction for the research of gestational diabetes mellitus.(2)Exosomes are widely present in the human body.Various cells can secrete exosomes,such as red blood cells,epithelial cells,and placental cells.Non-coding RNAs found in exosomes from different sources have been demonstrated to play a role in the pathogenesis,diagnosis,and treatment of gestational diabetes mellitus.(3)MiRNA and gestational diabetes mellitus:The role of peripheral blood miRNA in gestational diabetes mellitus is mainly to affect the functions of trophoblast cells,pancreatic beta cells and blood glucose levels in gestational diabetes mellitus;placental miRNA can reflect the severity of gestational diabetes and impair the function of trophoblast cells.(4)LncRNA and gestational diabetes mellitus:Peripheral blood lncRNA can induce insulin resistance through the phosphatidylinositol 3-kinase/protein kinase B pathway and may provide new insights for the diagnosis and treatment of gestational diabetes mellitus;placental lncRNA can regulate proliferation and migration of placental trophoblast cells,promoting the occurrence and development of gestational diabetes mellitus.(5)CircRNA and gestational diabetes mellitus:Peripheral blood and placental circRNA can induce the occurrence and development of gestational diabetes mellitus by impairing the proliferation,migration and metabolism of placental trophoblast cells.(6)Non-coding RNA in exosomes and gestational diabetes mellitus:Peripheral blood non-coding RNA in exosomes can affect gestational diabetes mellitus blood glucose levels and glucose homeostasis,and participate in the occurrence and development of gestational diabetes mellitus by influencing placental function.(7)Non-coding RNA has the potential to serve as biomarkers for early diagnosis of gestational diabetes mellitus.Additionally,engineered exosomes can better achieve targeted therapy for gestational diabetes mellitus.These latest findings provide a reference for both basic research and clinical translation of gestational diabetes mellitus.(8)In the future,improvements in the extraction and purification methods of peripheral blood exosomes should be improved,and factors such as race,diet and physical activity should be excluded to improve the reproducibility of results.Further prospective clinical studies are required to explore the clinical application of circulating non-coding RNA and exosomes in the prediction and diagnosis of gestational diabetes mellitus.

Current situation of and countermeasures for achievement transformation and management in tertiary medical hospitals in Shanghai / 现代医院

Objective To investigate the current situation of achievement transformation in tertiary medical hospitals in Shanghai and propose countermeasures for the existing problems to enhance the effectiveness of achievement transformation.Methods A questionnaire survey was done on the transformation and management of scientific research achievements in 47 terti-ary hospitals in Shanghai.Meanwhile,interviews were carried out among the managers and researchers from these hospitals.Re-sults In the past three years,the rate of transformation achievements in the hospitals was only 2.8%.In the achievement trans-formation existed such problems as weak awareness of scientific researchers,low patent quality,lack of full-time managers,and inflexible management mode.It was also believed that there is a need to improve main responsibilities,achievement management,system establishment,personnel training,resource sharing,department coordination and other related aspects.Conclusion The rate of achievement transformation in tertiary medical institutions in Shanghai is at a lower level.There are numerous problems and difficulties in the transformation.Therefore,urgent efficient countermeasures are needed to promote the transformation of a-chievement.

Current status and thinking of data management of human genetic resources / 中华医学科研管理杂志

Objective:To analysis the laws and regulations related to human genetic resources, this study analyzed the current management status and trends at home and abroad, explored the related issues of human genetic resources data management, and provided reference for further promoting and standardizing the management of human genetic resources data in my country.Methods:This article analyzed the current management status of human genetic resources data from three levels: relevant policies, management frameworks, data platforms and sample databases through literature review and expert consultation and policy research.Results:Countries paid more and more attention to human genetic resources, and the construction of my country′s human genetic resources management system is constantly advancing and improving. In the data era, the management of human genetic resources was facing new problems and challenges, requiring further strengthening the research and management of relevant data.Conclusions:At present, the management of human genetic resource data in my country needs to be strengthened. On the one hand, it is necessary to promote the implementation and coordinated management of specific systems on human genetic resources data. On the other hand, it is necessary to strengthen the effective protection and sharing of human genetic resource data.

Practice and thinking on improving the ability of hospital ethical review: Take the Affiliated Taizhou People′s Hospital of Nanjing Medical University as an example / 中华医学科研管理杂志

Objective:To explore the ways and methods to improve the ability of hospital ethical review and ensure the quality and efficiency of ethical review.Methods:By consulting the literature and combining the practical experience of the construction of the ethics committee and the ethical review work in the hospital, analyze the present situation of ethical review in our country, and deeply analyze the main problems existing in the work of ethical review in hospitals.Results:The quality and efficiency of ethical review can be effectively improved by implementing centralized management, optimizing work processes, establishing emergency response systems, opening green channels, optimizing the composition of committee members, strengthening ethical training and assessment, establishing emergency response systems, opening green channels, strengthening pre-review communication, establishing emergency response systems, opening green channels, strengthening formal review, increasing publicity, and improving ethical awareness.Conclusions:Clarifing the division of responsibilities and strengthen multi-department interaction can effectively improve the efficiency of ethics review. Optimizing the structure of ethics committee, strengthen the training and assessment of members, can effectively enhance the ability of ethics committee review. Unifing the list of documents, optimizing the work flow and the way of examination can effectively shorten the period of ethical examination. It is suggested that continuous ethical training and assessment should be carried out, that an information-based platform system should be used to achieve dynamic supervision, and that a certification system and assessment mechanism for ethics committees should be established at the national level, to promote the improvement of the ability of ethical review.

Stakeholder research on hospice care under the “hospital-community” coordination / 中国医学伦理学

The “hospital-community” hospice care model involves multiple stakeholders，including demander，executor，leader，and fundraiser of medical and health services.The degree of benefit correlation，policy influence，and implementation willingness of various stakeholders were analyzed to provide reference for terminal cancer patients to obtain continuous，convenient，and high-quality hospice care.Health department and medical insurance department are the main driving forces for cross-institutional hospice care，but there are differences in their driving paths.The financial department is an important guarantor of policy implementation，and needs to ensure that its core interests are not lost.Community medical institutions are an important driving factor for policy implementation，but they require policy support and hospital drive. Medical staff in hospitals and communities，have weak willingness to implement policies，which can easily become obstacles to policy implementation in the absence of incentive and compensation mechanisms.Patients and their caregivers are important beneficiaries，but lack of publicity，education，and interactive communication can also lead to rejection and contradiction.Therefore，it is necessary to leverage the collaboration and coordination between policy enforcement departments，innovate the development model of hospitals，lead community medical institutions，and promote interactive communication and decision-making sharing of “doctor-doctor” and “doctor-patient”.

Plasmodium falciparum malaria with acute abdominal pain as the first symptom: a case report / 中国血吸虫病防治杂志

Plasmodium falciparum malaria, caused by Plasmodium falciparum infection, is an Anopheles mosquito-transmitted infectious diseases, which predominantly occurs in tropical areas of Africa. P. falciparum malaria is characterized by complex and atypical clinical manifestations, and high likelihood of misdiagnosis and missing diagnosis, and may be life-threatening if treated untimely. This case report presents the diagnosis and treatment of a P. falciparum malaria case with acute abdominal pain as the first symptom.

Risk factors and preventive strategies of postoperative delirium in 209 patients with Stanford B aortic dissection: A retrospective cohort study / 中国胸心血管外科临床杂志

@#Objective To investigate the risk factors and prevention strategies of postoperative delirium in Stanford B aortic dissection. Methods Clinical data of the patients diagnosed with Stanford B aortic dissection and undergoing endovascular aortic repair from January 2020 to August 2021 in our department were retrospectively collected. Patients were divided into a non-delirium group and a delirium group according to the presence of postoperative delirium. The risk factors for postoperative delirium after Stanford type B aortic dissection and the protective effect of dexmedetomidine on delirium were analyzed. Results A total of 659 patients with Stanford type B aortic dissection were enrolled, including 540 males and 119 females with a median age of 58.00 (41.00, 75.00) years. There were 450 patients in the non-delirium group, and 209 patients in the delirium group. There was no statistical difference in gender, body mass index, hypertension, hyperlipidemia, smoking and drinking history, cholesterol triglyceride level, or creatinine glomerular filtration rate (P＞0.05). Age was an independent risk factor for postoperative delirium in Stanford type B aortic dissection (OR=1.392, 95%CI 1.008-1.923, P=0.044). Moreover, whether dexmedetomidine was used or not had no effect on the duration of postoperative delirium (χ2=4.662, P=0.588). Conclusion Age is an independent risk factor for postoperative delirium in patients with Stanford type B aortic dissection. The incidence of postoperative delirium in young patients is lower than that in the patients with middle and elderly age, and it may be of reference value to prevent postoperative delirium. Dexmedetomidine has no significant effect on controlling the duration of postoperative delirium.

Efficacy and safety of cryoablation combined with Camrelizumab monoclonal antibody in treatment of hepatocellular carcinoma / 临床肝胆病杂志

ObjectiveTo investigate the efficacy and safety of cryoablation combined with Camrelizumab monoclonal antibody in the treatment of hepatocellular carcinoma （HCC）. MethodsA total of 103 HCC patients who were admitted to our hospital from June 2020 to June 2023 were enrolled and randomly divided into combined treatment group with 53 patients and control group with 50 patients. The patients in the control group received percutaneous argon-helium cryoablation， and those in the combined treatment group received percutaneous argon-helium cryoablation combined with Camrelizumab monoclonal antibody. The two groups were compared in terms of short-term response， changes in T lymphocyte subsets after treatment， changes in liver function and alpha-fetoprotein （AFP） after treatment， and progression-free survival and overall survival during follow-up. The t-test was used for comparison of normally distributed continuous data between groups， and the chi-square test was used for comparison of categorical data between groups. The Kaplan-Meier method was used to plot survival curves， and the log-rank test was used for comparison of survival time between the two groups. ResultsThe combined treatment group had significantly higher overall response rate and disease control rate than the control group （χ2=4.156 and 4.348， P=0.042 and 0.037）. After treatment， the combined treatment group had significant increases in the percentages of CD3+ and CD4+ T lymphocytes and CD4+/CD8+ ratio （P<0.05） and a significant reduction in the percentage of CD8+ T lymphocytes （P<0.05）， while the control group had no significant changes in T lymphocyte subsets after treatment （P>0.05）， and compared with the control group after treatment， the combined treatment group had significantly higher percentages of CD3+ and CD4+ T lymphocytes and CD4+/CD8+ ratio （all P<0.05） and a significantly lower percentage of CD8+ T lymphocytes （P<0.05）. After treatment， both groups had significant reductions in the levels of alanine aminotransferase （ALT）， aspartate aminotransferase （AST）， and AFP （all P<0.05） and a significant increase in the level of albumin （Alb） （P>0.05）， and compared with the control group after treatment， the combined treatment group had significantly lower levels of ALT， AST， and AFP （all P<0.05） and a significantly higher level of Alb （P<0.05）. There were no significant differences in the incidence rates of grade Ⅲ‍—‍Ⅳ （moderate to severe） adverse reactions between the two groups （P>0.05）. Compared with the control group， the combined treatment group had significantly better median progression-free survival （21.32 months vs 15.31 months， χ2=4.689， P=0.030） and median overall survival （28.36 months vs 20.75 months， χ2=5.030， P=0.025）. ConclusionArgon-helium cryoablation combined with Camrelizumab monoclonal antibody can effectively improve short-term response， enhance immune function， and prolong survival time， with a favorable safety profile.

Study on the fingerprint and content determination of Xiaohe syrup / 中国药房

OBJECTIVE To establish high performance liquid chromatography （HPLC） fingerprint of Xiaohe syrup and determine the contents of 10 effective ingredients in them. METHODS With 12 batches of Xiaohe syrup as samples， ultra-high performance liquid chromatography-tandem mass spectrometry （UPLC-MS/MS） was adopted with Athena C18 （250 mm×4.6 mm， 5 μm） as the chromatographic column， acetonitrile-0.1% phosphoric acid aqueous solution as mobile phase for gradient elution. The flow rate was 1.0 mL/min， and the detection wavelength was 210 nm. Similarity Evaluation System for Traditional Chinese Medicine Chromatographic Fingerprint （2012A version） was imported to establish the fingerprint of Xiaohe syrup and evaluate the similarity. The content determination was performed on ACQUITY UPLC BEH C18（ 100 mm×2.1 mm， 1.7 μm） chromatographic column， with 0.01% formic acid acetonitrile-0.01% formic acid water as mobile phase for gradient elution at a flow rate of 0.4 mL/min； combined with high-resolution mass spectrometer， positive and negative ions were scanned with an electric spray ion source to determine the content of each main component in 12 batches of Xiaohe syrup. RESULTS A total of 33 common peaks were calibrated in 12 batches of samples， with similarities greater than 0.97； 10 chromatographic peaks were confirmed， namely flavonoid glycosides， paeoniflorin， ferulic acid， naringin， rosmarinic acid， neohesperidin， salvianolic acid B， tetrahydropalmatine， saikosaponin A， and saikosaponin D. The results of content determination showed that the above 10 components had good linear relationships within their respective mass concentration ranges （all R 2＞0.999）， with contents ranging from 0.35 to 0.64， 3.15 to 5.61， 0.11 to 0.17， 1.68 to 3.17， 1.59 to 1.90， 1.15 to 1.64， 0.78 to 1.48， 0.11 to 0.26， 0.06 to 0.13， and 0.33 to 0.61 mg/mL， respectively. CONCLUSIONS The main components of 12 batches of Xiaohe syrup are similar， but the contents vary； HPLC fingerprint and UPLC-MS/MS content determination method established in this study can be used for comprehensive quality evaluation of Xiaohe syrup.

Mechanism of Youguiwan Regulating BMP-2/Smad Signaling Pathway to Promote Bone Formation in Postmenopausal Rats with Osteoporosis / 中国实验方剂学杂志

ObjectiveTo observe the effects of Youguiwan on bone metabolism and bone morphogenetic protein-2 （BMP-2）/Smad signaling pathway in ovaries-removed rats with osteoporosis and study the mechanism of Youguiwan in the prevention and treatment of osteoporosis. MethodA postmenopausal rat model of osteoporosis was prepared by bilateral ovariectomy. The 40 female SD rats were randomly divided into five groups， including sham operation group， model group， alendronate sodium group （0.1 mg·kg-1）， and high-dose and low-dose （5.36 and 2.68 g·kg-1） groups of Youguiwan. The drug was given seven days after modeling， once a day for 12 weeks. After the treatment， the changes in femur tissue structure were observed by micro-CT， including bone mineral density （BMD）， bone volume/total volume （BV/TV）， trabecular number （Tb.N）， trabecular thickness （Tb.Th）， bone surface/bone volume （BS/BV）， and trabecular separation （Tb.Sp）. Ossification was observed by saffrane-solid green staining， and serum levels of bone metabolism markers， including bone alkaline phosphatase （BALP）， osteocalcin （BGP）， type Ⅰ procollagen amino terminal propeptide （PINP）， and tartrate-resistant acid phosphatase 5b （TRACP-5b）， were determined by enzyme-linked immunosorbent assay （ELISA）. The protein and mRNA expression levels of Runx2， BMP-2， and Smad1 in rat femur were detected by Western blot and Real-time fluorescence quantitative polymerase chain reaction （Real-time PCR）. ResultCompared with the sham operation group， bone trabecula in the model group was sparse. BMD， BV/TV， Tb.N， and Tb.Th were decreased （P<0.05， P<0.01）. BS/BV （P<0.05） and Tb.Sp were increased. The content of BGP， BALP， PINP， and TRACP-5b in serum was significantly increased （P<0.01）. The mRNA and protein expressions of Runx2， BMP-2， and Smad1 in rat femur were significantly decreased （P<0.05， P<0.01）. Compared with the model group， the number of bone trabeculae in the high-dose and low-dose groups of Youguiwan was increased， and the bone microstructure was improved. BMD， BV/TV， Tb.N， and Tb.Th were increased significantly （P<0.05， P<0.01）， and BS/BV and Tb.Sp were increased. The content of bone metabolic markers decreased （P<0.05， P<0.01）. ConclusionYouguiwan has certain preventive and therapeutic effects on postmenopausal osteoporosis， and its mechanism may be related to promoting bone formation by regulating the BMP-2/Smad signaling pathway.

Humanistic Care for the Prevention of Perioperative Hypothermia in the Elderly / 中国医学伦理学

The intervention and prevention of perioperative hypothermia is not only reflected in the technical level, but also reveals the important role of humanistic care in the whole intervention work. If perioperative patients have hypothermia, it is likely to cause a series of complications such as postoperative shivering, which seriously threatens the life safety of patients. Prevention and intervention was based on a comprehensive understanding of the causes and hazards of hypothermia, especially the impact on the lives of the elderly. Effective supervision was implemented in the whole process of operation, such as dynamic monitoring of vital signs including body temperature, followed by room temperature regulation, body temperature protection and preoperative and postoperative psychological nursing. At this time, the sense of responsibility, good humanistic care of medical staff are of positive significance to effectively prevent and reduce the probability of perioperative hypothermia and accelerate the postoperative rehabilitation of patients.

Association between congenital hypothyroidism and in-hospital adverse outcomes in very low birth weight infants / 中华儿科杂志

Objective: To investigate the association between congenital hypothyroidism (CH) and the adverse outcomes during hospitalization in very low birth weight infants (VLBWI). Methods: This prospective, multicenter observational cohort study was conducted based on the data from the Sino-northern Neonatal Network (SNN). Data of 5 818 VLBWI with birth weight <1 500 g and gestational age between 24-<37 weeks that were admitted to the 37 neonatal intensive care units from January 1st, 2019 to December 31st, 2022 were collected and analyzed. Thyroid function was first screened at 7 to 10 days after birth, followed by weekly tests within the first 4 weeks, and retested at 36 weeks of corrected gestational age or before discharge. The VLBWI were assigned to the CH group or non-CH group. Chi-square test, Fisher exact probability method, Wilcoxon rank sum test, univariate and multivariate Logistic regression were used to analyze the relationship between CH and poor prognosis during hospitalization in VLBWI. Results: A total of 5 818 eligible VLBWI were enrolled, with 2 982 (51.3%) males and the gestational age of 30 (29, 31) weeks. The incidence of CH was 5.5% (319 VLBWI). Among the CH group, only 121 VLBWI (37.9%) were diagnosed at the first screening. Univariate Logistic regression analysis showed that CH was associated with increased incidence of extrauterine growth retardation (EUGR) (OR=1.31(1.04-1.64), P<0.05) and retinopathy of prematurity (ROP) of stage Ⅲ and above (OR=1.74(1.11-2.75), P<0.05). However, multivariate Logistic regression analysis showed no significant correlation between CH and EUGR, moderate to severe bronchopulmonary dysplasia, grade Ⅲ to Ⅳ intraventricular hemorrhage, neonatal necrotizing enterocolitis in stage Ⅱ or above, and ROP in stage Ⅲ or above (OR=1.04 (0.81-1.33), 0.79 (0.54-1.15), 1.15 (0.58-2.26), 1.43 (0.81-2.53), 1.12 (0.70-1.80), all P>0.05). Conclusion: There is no significant correlation between CH and in-hospital adverse outcomes, possibly due to timely diagnosis and active replacement therapy.

Research progress of targeted pulmonary vascular endothelial dysfunction in treatment of pulmonary hypertension / 中国药理学通报

Pulmonary hypertension (PH) is a progressive and fatal disease. The dysfunction of pulmonary artery endothelial cells (PAECs) is one of its important pathogenic factors. PAECs are monolayer flat epithelial cells, which play an important role in maintaining pulmonary vascular homeostasis. Studies have found that PAECs show damage and apoptosis at the early stage of PH development, while PAECs show anti-apoptotic characteristics at the late stage of PH development. The transition of PAECs into mesenchymal cells induced by hypoxic and inflammatory factors is also involved in the pathogenesis of PH. Carcinoid metabolism and mitochondrial dysfunction, bone mor- phogenic type 2 receptor mutation, epigenetic changes and inflammation of PAECs are the main pathogenesis of pulmonary vascular endothelial dysfunction in PH patients. New therapeutic measures targeting PAECs dysfunction are expected to play an important role in the treatment of PH in the future.

Research progress of optical coherence tomography and optical coherence tomography angiography in the prediction of postoperative visual acuity in patients with idiopathic epiretinal membrane / 国际眼科杂志(Guoji Yanke Zazhi)

Idiopathic epiretinal membrane(IERM)is a kind of epiretinal membrane without any other known ocular conditions, which occurs mostly in the middle-aged and elderly people over the age of 50. As IERM worsens, the structure and function of the retina in the macular region are altered, leading to symptoms like reduced vision and metamorphopsia. The pathogenesis of IERM remains unclear, and surgery is the primary treatment option. However, there is no consensus on the best time to have surgery, and there are differences in how well patients recover their vision following surgery. Optical coherence tomography(OCT)and OCT angiography(OCTA), as non-invasive and rapid diagnostic tools to observe retinal microstructure and blood flow changes in the macula, have been extensively utilized in clinical settings. The use of OCT and OCTA parameters to predict postoperative visual acuity has emerged as a hot topic in IERM research. This article provides a comprehensive review of current research on the correlation between various OCT and OCTA parameters and the prediction of postoperative visual acuity in IERM, aiming to assist clinicians in determining the optimal timing for surgery and balancing the benefits and risks involved.