1.Risk factors for pyogenic liver abscess comorbid with sepsis and construction of a nomogram prediction model
Jiayi GUO ; Haiquan KANG ; Mengjiao WANG ; Deyang XI ; Xuebing YAN ; Chunyang LI
Journal of Clinical Hepatology 2025;41(6):1143-1149
ObjectiveTo investigate the risk factors for pyogenic liver abscess (PLA) comorbid with sepsis by analyzing clinical features, and to construct a predictive model. MethodsA retrospective analysis was performed for 489 patients who were hospitalized and diagnosed with PLA in The Affiliated Hospital of Xuzhou Medical University from January 2019 to December 2023, and according to the presence or absence of sepsis, they were divided into sepsis group with 306 patients and non-sepsis group with 183 patients. Related data were collected, including general information, laboratory markers, and outcome measures. The patients were further divided into a training set of 342 patients and a validation set of 147 patients at a ratio of 7∶3, and the training set was used for screening of variables and construction of a predictive model, while the validation set was used to test the performance of the model. An LASSO regression analysis was used for the screening of variables, and a multivariate Logistic regression analysis was used to construct the predictive model and plot a nomogram. The calibration curve, the receiver operating characteristic (ROC) curve, and the decision curve analysis were used for the validation of the model, and internal validation was performed for assessment. The independent-samples t test was used for comparison of normally distributed continuous data between two groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups; the chi-square test was used for comparison of categorical variables between groups. ResultsThere were significant differences between the sepsis group and the non-sepsis group in pulse rate, mean arterial pressure, duration pf symptoms, comorbidity of liver cirrhosis or malignant tumor, leukocyte count, neutrophil count, lymphocyte count, platelet count (PLT), activated partial thromboplastin time, fibrinogen, C-reactive protein, aspartate aminotransferase, alanine aminotransferase, albumin, total bilirubin (TBil), creatinine, potassium, and prognostic nutritional index (PNI) (all P<0.05). In the training set, the LASSO regression analysis identified four predictive factors of pulse rate, PLT, TBil and PNI, and the multivariate Logistic regression analysis showed that pulse rate (odds ratio [OR]=1.033, 95% confidence interval [CI]: 1.006 — 1.061, P=0.018), PLT (OR=0.981, 95%CI: 0.975 — 0.987, P<0.001), TBil (OR=1.086, 95%CI: 1.053 — 1.125, P<0.001), and PNI (OR=0.935, 95%CI: 0.882 — 0.988, P=0.019) were independent influencing factors for the risk of sepsis in patients with PLA. The model constructed based on these factors showed a good predictive ability, with an area under the ROC curve of 0.948 (95%CI: 0.923 — 0.973) in the training set and 0.912 (95%CI: 0.848 — 0.976) in the validation set. The decision curve analysis showed that the model has a good net benefit within the range of 0.3 — 0.9 for threshold probability. ConclusionThe nomogram prediction model constructed based on pulse rate, PLT, TBil, and PNI has a certain clinical value and can well predict the risk of sepsis in patients with PLA.
2.Comprehensive Analysis of the Expression, Prognosis and Function of TRAF Family Proteins in NSCLC.
Yixuan WANG ; Qiang CHEN ; Yaguang FAN ; Shuqi TU ; Yang ZHANG ; Xiuwen ZHANG ; Hongli PAN ; Xuexia ZHOU ; Xuebing LI
Chinese Journal of Lung Cancer 2025;28(3):183-194
BACKGROUND:
Currently, lung cancer is one of the malignant tumors with a high morbidity and mortality all over the world. However, the exact mechanisms underlying lung cancer progression remain unclear. The tumor necrosis factor receptor associated factor (TRAF) family members are cytoplasmic adaptor proteins, which function as both adaptor proteins and ubiquitin ligases to regulate diverse receptor signalings, leading to the activation of nuclear factor kappa-B (NF-κB), mitogen-activated protein kinase (MAPK) and interferon regulatory factor (IRF) signaling. The aim of this study was to investigate the expression of TRAFs in different tissues and cancer types, as well as its mRNA expression, protein expression, prognostic significance and functional enrichment analysis in non-small cell lung cancer (NSCLC), in order to provide new strategies for the diagnosis and treatment of NSCLC.
METHODS:
RNA sequencing data from the The Genotype-Tissue Expression database was used to analyze the expression patterns of TRAF family members in different human tissues. RNA sequencing data from the Cancer Cell Line Encyclopedia database was used to analyze the expression patterns of TRAF family members in different types of cancer cell lines. RNA sequencing data from the The Cancer Genome Atlas (TCGA) database was used to analyze the mRNA levels of TRAF family members across different types of human cancers. Immunohistochemistry (IHC) analyses from HPA database were used to analyze the TRAF protein levels in NSCLC [lung adenocarcinoma (LUAD) and lung squamous carcinoma (LUSC)]. Overall survival analysis was performed by Log-rank test using original data from Kaplan-Meier Plotter database to evaluate the correlation between TRAF expressions and prognosis. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses were performed on the TRAF family-related genes using RNA sequencing data from the TCGA database for NSCLC. The correlation between the expression levels of TRAF family members and the tumor immune microenvironment was analyzed using the ESTIMATE algorithm based on RNA sequencing data from the TCGA database.
RESULTS:
The TRAF family members exhibited significant tissue-specific expression heterogeneity. TRAF2, TRAF3, TRAF6 and TRAF7 were widely expressed in most tissues, while the expressions of TRAF1, TRAF4 and TRAF5 were restricted to specific tissues. The expressions of TRAF family members were highly specific among different types of cancer cell lines. In mRNA database of LUAD and LUSC, the expressions of TRAF2, TRAF4, TRAF5 and TRAF7 were significantly upregulated; while TRAF6 did the opposite; moveover, TRAF1 and TRAF3 only displayed a significant upregulation in LUAD and LUSC, respectively. Except for TRAF3, TRAF4 and TRAF7, other TRAF proteins displayed an obviously deeper IHC staining in LUAD and LUSC tissues compared with normal tissues. Additionally, patients with higher expression levels of TRAF2, TRAF4 and TRAF7 had shorter overall survival; while patients with higher expression levels of TRAF3, TRAF5 and TRAF6 had significantly longer overall survival; however, no significant difference had been observed between TRAF1 expression and the overall survival. TRAF family members differentially regulated multiple pathways, including NF-κB, immune response, cell adhesion and RNA splicing. The expression levels of TRAF family members were closely associated with immune cell infiltration and stromal cell content in the tumor immune microenvironment, with varying positive and negative correlations among different members.
CONCLUSIONS
TRAF family members exhibit highly specific expression differences across different tissues and cancer types. Most TRAF proteins exhibit upregulation at both mRNA and protein levels in NSCLC, whereas, only upregulated expressions of TRAF2, TRAF4 and TRAF7 predict worse prognosis. The TRAF family members regulate processes such as inflammation, immunity, adhesion and splicing, and influence the tumor immune microenvironment.
Humans
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Carcinoma, Non-Small-Cell Lung/pathology*
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Lung Neoplasms/mortality*
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Prognosis
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Gene Expression Regulation, Neoplastic
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Tumor Necrosis Factor Receptor-Associated Peptides and Proteins/metabolism*
3.Oct4 promotes the progression and radioresistance of esophageal squamous cell carcinoma by regulating epithelial-mesenchymal transition
Jing ZHANG ; Minxian QI ; Yixiao LI ; Xuebing LI ; Guangzhao ZHANG ; Yamei CHAI
Chinese Journal of Oncology 2024;46(11):1019-1028
Objective:To explore the specific role and molecular mechanism of octamer-binding transcription factor 4 (Oct4) in promoting the progression of esophageal squamous cell carcinoma and radioresistance.Methods:The Gene Expression Profile Data Dynamic Analysis (GEPIA) database was used to analyze the expression differences of the Oct4 gene in different types of tumor tissues and their corresponding adjacent normal tissues. The clinical data and surgical resection tissue specimens of 196 patients with esophageal squamous cell carcinoma who received surgery combined with radiotherapy at Henan Provincial Chest Hospital from January 2013 to May 2022 were collected. Immunohistochemistry was used to detect the expression of Oct4 protein in the tumor and adjacent tissues. The lentiviral packaging system was used to construct esophageal squamous cell carcinoma cell lines that up-regulated or down-regulated Oct4. The cell counting kit 8 (CCK-8) was used to detect the cell proliferation ability, the scratch test was used to detect the cell migration ability, and the clone formation test was used to detect the cell radiosensitivity. Immunofluorescence experiment was used to detect DNA damage level, and Western blot was used to detect the expressions of Oct4, human phosphorylated histone (γ-H2AX), E-cadherin, N-cadherin, vimentin, and zinc finger E box binding homology box 1 (ZEB1).Results:The analysis of GEPIA database showed that the expression level of Oct4 mRNA in esophageal carcinoma was higher than that in paracancerous tissues. The expression level of Oct4 protein in tumor tissues was 78.35±1.42, which was higher than that in adjacent tissues (16.27±0.49). The survival time of patients with a high expression of Oct4 was significantly shorter than that of patients with a low expression of Oct4 (25.40 and 47.00 months). Compared with the control group, the proliferation ability of KYSE510 cells in the Oct4 up-regulated group was enhanced after 72-h culture, and the cell migration ability of these cells was also enhanced, with the migration rate being (41.67±1.20)% vs (23.67±1.86)% after 24-h culture. The radiosensitivity of cells in this group decreased, with the radiosensitivity enhancement ratio being 0.69±0.06 vs 1.00±0.02. After radiotherapy, the expressions of γ-H2AX and E-cadherin decreased, while the expressions of ZEB1, vimentin and N-cadherin increased. Compared with the control group, the proliferation ability of KYSE150 cells in the Oct4 down-regulated groups 1 and 2 decreased (absorbance being 2.51±0.17, 2.38±0.16, and 3.33±0.07, respectively, P<0.01) after 72-h culture, and the migration ability also decreased, with the migration rate being (13.33±0.88)%, (13.00±1.00)%, and (40.33±2.03)%, respectively (all P<0.001), after 24-h culture. The radiosensitivity was enhanced, with the radiosensitivity enhancement ratio being 1.34±0.11,1.24±0.07, and 1.00±0.02, respectively (all P<0.05). After radiotherapy, the expressions of γ-H2AX and E-cadherin increased, while the expressions of ZEB1, vimentin and N-cadherin decreased. Compared with the control group, the proliferation ability of KYSE510 cells in the ZEB1 down-regulated group decreased [absorbance being 1.33±0.15 vs 1.81±0.16 ( P=0.002)] after 72-h culture. The radiosensitivity was enhanced, with the radiosensitivity enhancement ratio being 1.37±0.11 vs 1.00±0.01 ( P=0.037), and after radiotherapy the expression of γ-H2AX increased. Conclusion:Oct4 is involved in the regulation of epithelial-mesenchymal transformation of esophageal squamous cell carcinoma, which promotes the proliferation, migration, and radioresistance of esophageal squamous cell carcinoma.
4.Population distribution of non-alcoholic fatty liver disease before and after renaming and risk factors for liver fibrosis in metabolic dysfunction-associated steatotic liver disease
Yan LI ; Xuebing YAN ; Zhonghua LU ; Fang JI
Journal of Clinical Hepatology 2024;40(6):1136-1141
Objective To investigate the population distribution of non-alcoholic fatty liver disease before and after renaming and the association between the types of metabolic risk factors(MRF)for metabolic dysfunction-associated steatotic liver disease(MASLD)and advanced liver fibrosis.Methods This study was conducted among 515 patients who were admitted to The Affiliated Hospital of Xuzhou Medical University and Wuxi Fifth People's Hospital from January 2019 to January 2022 and had hepatocyte steatosis≥5%by liver biopsy.Among these patients,2 patients did not meet the diagnostic criteria for nonalcoholic fatty liver disease(NAFLD)and metabolic associated fatty liver disease(MAFLD),respectively,and were classified as steatotic liver disease(SLD)with other specific causes,and the other 513 patients were divided into MASLD group with 275 patients,comorbid group with 216 patients(MASLD comorbid with other liver diseases),and cryptogenic SLD group with 22 patients.The above groups were compared in terms of clinical features,laboratory markers,and advanced liver fibrosis.The MASLD patients with different types of MRF were compared in terms of clinical features,laboratory markers,and advanced liver fibrosis,and the risk factors for advanced liver fibrosis in patients with MASLD were analyzed.The Kruskal-Wallis H test was used for comparison of continuous data with skewed distribution between multiple groups and further comparison between two groups;the chi-square test was used for comparison of categorical data between multiple groups,and Bonferroni correction was used for further comparison between two groups.The logistic regression analysis was used to identify the risk factors for liver fibrosis.Results Among the 515 patients with SLD,297 patients(57.7%)met the diagnostic criteria for NAFLD,among whom 22 were classified as cryptogenic SLD and 275 met the diagnostic criteria for MASLD,and 467(90.7%)were diagnosed with MAFLD.There were significant differences between the three groups in sex,body mass index(BMI),gamma-glutamyl transpeptidase,triglyceride,cholesterol,low-density lipoprotein cholesterol,high-density lipoprotein cholesterol,fasting plasma glucose,NAFLD fibrosis score(NFS),fibrosis-4(FIB-4),and F3-4(all P<0.05).Compared with the MASLD group and the cryptogenic SLD group,the comorbid group had the highest proportion of patients with advanced liver fibrosis(P<0.001).With the increase in the type of MRF,the patients tended to have an older age,a significantly higher proportion of female patients,a higher possibility of hypertension and diabetes,and higher levels of metabolic parameters including BMI,blood lipids,and blood glucose(all P<0.05).With the increase in the types of MRF in MASLD patients,they tended to have significantly higher noninvasive fibrosis scores(NFS and FIB-4)and a significantly higher proportion of patients with advanced liver fibrosis(P<0.05).The multivariate logistic regression analysis showed that age≥50 years(odds ratio[OR]=2.622,95%confidence interval[CI]:1.091-6.300,P=0.031)and the increase in the type of MRF(OR=1.876,95%CI:1.194-2.947,P=0.006)were independent risk factors for MASLD with severe liver fibrosis.Conclusion The new definition of MASLD is based on the positive identification of MRF,and the reclassified population of MASLD is smaller than that of MAFLD,with little difference from that of NAFLD.In addition,age≥50 years and the increase in the type of MRF are independent risk factors for MASLD with advanced liver fibrosis.
5.Prenatal diagnosis of a case with Congenital myasthenic syndrome due to compound heterozygous variants of SCN4A gene
Fanrong MENG ; Yunfang SHI ; Duan JU ; Xiuyan WANG ; Haiwei DONG ; Xuebing LI ; Xiaozhou LI ; Xuexia ZHOU
Chinese Journal of Medical Genetics 2024;41(4):450-455
Objective:To explore the clinical and genetic characteristics of a fetus diagnosed with Congenital myasthenic syndrome type 16 (CMS16).Methods:A couple who had visited Tianjin Medical University General Hospital in February 2018 due to "adverse outcome of two pregnancies" was selected as the study subject. Clinical data was gathered. Peripheral blood and amniotic fluid samples were collected and subjected to whole exome sequencing (WES). Candidate variant was verified by Sanger sequencing. Low-depth whole-genome sequencing was carried out to detect copy number variation (CNV) in the fetus.Results:The couple′s first pregnancy had resulted in a miscarriage at 27 + 5 weeks, when ultrasound had revealed pleural effusion and polyhydramnios in the fetus. Their second pregnancy was terminated at 30 + 5 weeks due to fetal hand malformations, polyhydramnios and pleural fluid. Both couple had denied family history of genetic conditions. For their third pregnancy, no CNV abnormality was detected, whilst a compound heterozygous variants, including a maternally derived c. 3172C>T (p.R1058W) and paternal c. 1431delG (p.K477fs*89) in the SCN4A gene were detected. Based on the guidelines from the American College of Medical Genetics and Genomics, the c. 3172C>T (p.R1058W) was predicted as a likely pathogenic variant (PM1+ PM2_supporting+ PP3+ PP4), whilst the c. 1431delG (p.K477fs*89) was predicted as a pathogenic variant (PVS1+ PM2_supporting+ PP4). Conclusion:The c. 3172C>T (p.R1058W) and c. 1431delG (p.K477fs*89) compound heterozygous variants of the SCN4A gene probably underlay the CMS16 in the third fetus.
6.Genetic analysis and prenatal diagnosis of a Chinese pedigree affected with Complete androgen insensitivity syndrome due to a novel variant of AR gene
Fanrong MENG ; Xiaozhou LI ; Yunfang SHI ; Duan JU ; Xiuyan WANG ; Chunying WANG ; Xuebing LI ; Wenjun YU ; Yingmei WANG ; Xuexia ZHOU
Chinese Journal of Medical Genetics 2024;41(10):1206-1212
Objective:To explore the clinical and molecular basis for a Chinese pedigree affected with Complete androgen insensitivity syndrome (CAIS).Methods:A CAIS pedigree presented at Tianjin Medical University General Hospital between 2019 and 2021 was selected as the study subject. Clinical data of the proband was collected, along with peripheral blood samples from the proband and her family members. Chromosomal karyotyping, sex-determining region of the Y chromosome ( SRY) testing, and next-generation sequencing (NGS) were carried out for the proband, and candidate variant was verified by Sanger sequencing of her family members. Prenatal diagnosis was provided for the sister of the proband. This study was approved by Medical Ethics Committee of the Tianjin Medical University General Hospital (Ethics No. IRB2023-WZ-070). Results:The 18-year-old proband, who has a social gender of female, underwent laparoscopic examination, which showed no presence of uterus and ovaries. The karyotype of peripheral blood sample was 46, XY, with SRY gene detected. NGS indicated that the proband has harbored a heterozygous c. 1988C>G (p.Ser663Ter) variant of the AR gene. Sanger sequencing confirmed that her mother and sister had both harbored the same variant, whilst her father and younger sister were of the wild-type. Prenatal diagnosis revealed that her sister′s first fetus had harbored carried the same variant, which had led to termination of pregnancy. Her second fetus did not carry the variant, and a healthy boy was born. Based on guidelines from the American College of Medical Genetics and Genomics (ACMG), the variant was classified as likely pathogenic (PM2_Supporting+ PM4+ PP3_Moderate+ PP4). Conclusion:The c. 1988C>G (p.Ser663Ter) variant of the AR gene probably underlay the CAIS in the proband. The accurate diagnosis of sex development disorders will rely on the physicians′ thorough understanding of the clinical symptoms and pathogenic genes. Genetic testing and counseling can enable precise diagnosis, prenatal diagnosis, and guidance for reproduction
7.Oct4 promotes the progression and radioresistance of esophageal squamous cell carcinoma by regulating epithelial-mesenchymal transition
Jing ZHANG ; Minxian QI ; Yixiao LI ; Xuebing LI ; Guangzhao ZHANG ; Yamei CHAI
Chinese Journal of Oncology 2024;46(11):1019-1028
Objective:To explore the specific role and molecular mechanism of octamer-binding transcription factor 4 (Oct4) in promoting the progression of esophageal squamous cell carcinoma and radioresistance.Methods:The Gene Expression Profile Data Dynamic Analysis (GEPIA) database was used to analyze the expression differences of the Oct4 gene in different types of tumor tissues and their corresponding adjacent normal tissues. The clinical data and surgical resection tissue specimens of 196 patients with esophageal squamous cell carcinoma who received surgery combined with radiotherapy at Henan Provincial Chest Hospital from January 2013 to May 2022 were collected. Immunohistochemistry was used to detect the expression of Oct4 protein in the tumor and adjacent tissues. The lentiviral packaging system was used to construct esophageal squamous cell carcinoma cell lines that up-regulated or down-regulated Oct4. The cell counting kit 8 (CCK-8) was used to detect the cell proliferation ability, the scratch test was used to detect the cell migration ability, and the clone formation test was used to detect the cell radiosensitivity. Immunofluorescence experiment was used to detect DNA damage level, and Western blot was used to detect the expressions of Oct4, human phosphorylated histone (γ-H2AX), E-cadherin, N-cadherin, vimentin, and zinc finger E box binding homology box 1 (ZEB1).Results:The analysis of GEPIA database showed that the expression level of Oct4 mRNA in esophageal carcinoma was higher than that in paracancerous tissues. The expression level of Oct4 protein in tumor tissues was 78.35±1.42, which was higher than that in adjacent tissues (16.27±0.49). The survival time of patients with a high expression of Oct4 was significantly shorter than that of patients with a low expression of Oct4 (25.40 and 47.00 months). Compared with the control group, the proliferation ability of KYSE510 cells in the Oct4 up-regulated group was enhanced after 72-h culture, and the cell migration ability of these cells was also enhanced, with the migration rate being (41.67±1.20)% vs (23.67±1.86)% after 24-h culture. The radiosensitivity of cells in this group decreased, with the radiosensitivity enhancement ratio being 0.69±0.06 vs 1.00±0.02. After radiotherapy, the expressions of γ-H2AX and E-cadherin decreased, while the expressions of ZEB1, vimentin and N-cadherin increased. Compared with the control group, the proliferation ability of KYSE150 cells in the Oct4 down-regulated groups 1 and 2 decreased (absorbance being 2.51±0.17, 2.38±0.16, and 3.33±0.07, respectively, P<0.01) after 72-h culture, and the migration ability also decreased, with the migration rate being (13.33±0.88)%, (13.00±1.00)%, and (40.33±2.03)%, respectively (all P<0.001), after 24-h culture. The radiosensitivity was enhanced, with the radiosensitivity enhancement ratio being 1.34±0.11,1.24±0.07, and 1.00±0.02, respectively (all P<0.05). After radiotherapy, the expressions of γ-H2AX and E-cadherin increased, while the expressions of ZEB1, vimentin and N-cadherin decreased. Compared with the control group, the proliferation ability of KYSE510 cells in the ZEB1 down-regulated group decreased [absorbance being 1.33±0.15 vs 1.81±0.16 ( P=0.002)] after 72-h culture. The radiosensitivity was enhanced, with the radiosensitivity enhancement ratio being 1.37±0.11 vs 1.00±0.01 ( P=0.037), and after radiotherapy the expression of γ-H2AX increased. Conclusion:Oct4 is involved in the regulation of epithelial-mesenchymal transformation of esophageal squamous cell carcinoma, which promotes the proliferation, migration, and radioresistance of esophageal squamous cell carcinoma.
8.Periodontitis exacerbates pulmonary hypertension by promoting IFNγ+T cell infiltration in mice
Meng XIAOQIAN ; Du LINJUAN ; Xu SHUO ; Zhou LUJUN ; Chen BOYAN ; Li YULIN ; Chen CHUMAO ; Ye HUILIN ; Zhang JUN ; Tian GUOCAI ; Bai XUEBING ; Dong TING ; Lin WENZHEN ; Sun MENGJUN ; Zhou KECONG ; Liu YAN ; Zhang WUCHANG ; Duan SHENGZHONG
International Journal of Oral Science 2024;16(2):359-369
Uncovering the risk factors of pulmonary hypertension and its mechanisms is crucial for the prevention and treatment of the disease.In the current study,we showed that experimental periodontitis,which was established by ligation of molars followed by orally smearing subgingival plaques from patients with periodontitis,exacerbated hypoxia-induced pulmonary hypertension in mice.Mechanistically,periodontitis dysregulated the pulmonary microbiota by promoting ectopic colonization and enrichment of oral bacteria in the lungs,contributing to pulmonary infiltration of interferon gamma positive(IFNγ+)T cells and aggravating the progression of pulmonary hypertension.In addition,we identified Prevotella zoogleoformans as the critical periodontitis-associated bacterium driving the exacerbation of pulmonary hypertension by periodontitis,and the exacerbation was potently ameliorated by both cervical lymph node excision and IFNγ neutralizing antibodies.Our study suggests a proof of concept that the combined prevention and treatment of periodontitis and pulmonary hypertension are necessary.
9.Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients (version 2024)
Yao LU ; Yang LI ; Leiying ZHANG ; Hao TANG ; Huidan JING ; Yaoli WANG ; Xiangzhi JIA ; Li BA ; Maohong BIAN ; Dan CAI ; Hui CAI ; Xiaohong CAI ; Zhanshan ZHA ; Bingyu CHEN ; Daqing CHEN ; Feng CHEN ; Guoan CHEN ; Haiming CHEN ; Jing CHEN ; Min CHEN ; Qing CHEN ; Shu CHEN ; Xi CHEN ; Jinfeng CHENG ; Xiaoling CHU ; Hongwang CUI ; Xin CUI ; Zhen DA ; Ying DAI ; Surong DENG ; Weiqun DONG ; Weimin FAN ; Ke FENG ; Danhui FU ; Yongshui FU ; Qi FU ; Xuemei FU ; Jia GAN ; Xinyu GAN ; Wei GAO ; Huaizheng GONG ; Rong GUI ; Geng GUO ; Ning HAN ; Yiwen HAO ; Wubing HE ; Qiang HONG ; Ruiqin HOU ; Wei HOU ; Jie HU ; Peiyang HU ; Xi HU ; Xiaoyu HU ; Guangbin HUANG ; Jie HUANG ; Xiangyan HUANG ; Yuanshuai HUANG ; Shouyong HUN ; Xuebing JIANG ; Ping JIN ; Dong LAI ; Aiping LE ; Hongmei LI ; Bijuan LI ; Cuiying LI ; Daihong LI ; Haihong LI ; He LI ; Hui LI ; Jianping LI ; Ning LI ; Xiying LI ; Xiangmin LI ; Xiaofei LI ; Xiaojuan LI ; Zhiqiang LI ; Zhongjun LI ; Zunyan LI ; Huaqin LIANG ; Xiaohua LIANG ; Dongfa LIAO ; Qun LIAO ; Yan LIAO ; Jiajin LIN ; Chunxia LIU ; Fenghua LIU ; Peixian LIU ; Tiemei LIU ; Xiaoxin LIU ; Zhiwei LIU ; Zhongdi LIU ; Hua LU ; Jianfeng LUAN ; Jianjun LUO ; Qun LUO ; Dingfeng LYU ; Qi LYU ; Xianping LYU ; Aijun MA ; Liqiang MA ; Shuxuan MA ; Xainjun MA ; Xiaogang MA ; Xiaoli MA ; Guoqing MAO ; Shijie MU ; Shaolin NIE ; Shujuan OUYANG ; Xilin OUYANG ; Chunqiu PAN ; Jian PAN ; Xiaohua PAN ; Lei PENG ; Tao PENG ; Baohua QIAN ; Shu QIAO ; Li QIN ; Ying REN ; Zhaoqi REN ; Ruiming RONG ; Changshan SU ; Mingwei SUN ; Wenwu SUN ; Zhenwei SUN ; Haiping TANG ; Xiaofeng TANG ; Changjiu TANG ; Cuihua TAO ; Zhibin TIAN ; Juan WANG ; Baoyan WANG ; Chunyan WANG ; Gefei WANG ; Haiyan WANG ; Hongjie WANG ; Peng WANG ; Pengli WANG ; Qiushi WANG ; Xiaoning WANG ; Xinhua WANG ; Xuefeng WANG ; Yong WANG ; Yongjun WANG ; Yuanjie WANG ; Zhihua WANG ; Shaojun WEI ; Yaming WEI ; Jianbo WEN ; Jun WEN ; Jiang WU ; Jufeng WU ; Aijun XIA ; Fei XIA ; Rong XIA ; Jue XIE ; Yanchao XING ; Yan XIONG ; Feng XU ; Yongzhu XU ; Yongan XU ; Yonghe YAN ; Beizhan YAN ; Jiang YANG ; Jiangcun YANG ; Jun YANG ; Xinwen YANG ; Yongyi YANG ; Chunyan YAO ; Mingliang YE ; Changlin YIN ; Ming YIN ; Wen YIN ; Lianling YU ; Shuhong YU ; Zebo YU ; Yigang YU ; Anyong YU ; Hong YUAN ; Yi YUAN ; Chan ZHANG ; Jinjun ZHANG ; Jun ZHANG ; Kai ZHANG ; Leibing ZHANG ; Quan ZHANG ; Rongjiang ZHANG ; Sanming ZHANG ; Shengji ZHANG ; Shuo ZHANG ; Wei ZHANG ; Weidong ZHANG ; Xi ZHANG ; Xingwen ZHANG ; Guixi ZHANG ; Xiaojun ZHANG ; Guoqing ZHAO ; Jianpeng ZHAO ; Shuming ZHAO ; Beibei ZHENG ; Shangen ZHENG ; Huayou ZHOU ; Jicheng ZHOU ; Lihong ZHOU ; Mou ZHOU ; Xiaoyu ZHOU ; Xuelian ZHOU ; Yuan ZHOU ; Zheng ZHOU ; Zuhuang ZHOU ; Haiyan ZHU ; Peiyuan ZHU ; Changju ZHU ; Lili ZHU ; Zhengguo WANG ; Jianxin JIANG ; Deqing WANG ; Jiongcai LAN ; Quanli WANG ; Yang YU ; Lianyang ZHANG ; Aiqing WEN
Chinese Journal of Trauma 2024;40(10):865-881
Patients with severe trauma require an extremely timely treatment and transfusion plays an irreplaceable role in the emergency treatment of such patients. An increasing number of evidence-based medicinal evidences and clinical practices suggest that patients with severe traumatic bleeding benefit from early transfusion of low-titer group O whole blood or hemostatic resuscitation with red blood cells, plasma and platelet of a balanced ratio. However, the current domestic mode of blood supply cannot fully meet the requirements of timely and effective blood transfusion for emergency treatment of patients with severe trauma in clinical practice. In order to solve the key problems in blood supply and blood transfusion strategies for emergency treatment of severe trauma, Branch of Clinical Transfusion Medicine of Chinese Medical Association, Group for Trauma Emergency Care and Multiple Injuries of Trauma Branch of Chinese Medical Association, Young Scholar Group of Disaster Medicine Branch of Chinese Medical Association organized domestic experts of blood transfusion medicine and trauma treatment to jointly formulate Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients ( version 2024). Based on the evidence-based medical evidence and Delphi method of expert consultation and voting, 10 recommendations were put forward from two aspects of blood support mode and transfusion strategies, aiming to provide a reference for transfusion resuscitation in the emergency treatment of severe trauma and further improve the success rate of treatment of patients with severe trauma.
10.Pathogenic role of eosinophil-associated ribonuclease A family member 2 in renal damage in lupus mice
Yuanyuan ZHENG ; Xiaojun TANG ; Yaqi ZHANG ; Abdukiyum MIHERAIY ; Yantong ZHU ; Wenjing LI ; Xuebing FENG
Chinese Journal of Rheumatology 2024;28(9):648-655
Objective:To explore the role of eosinophil associated ribonuclease A family member 2 (Ear2) in the pathogenesis of lupus and its possible mechanisms involved in renal damage by conditional knockout of myeloid cells in mice.Methods:An Ear2 myeloid conditional knockout mouse model was constructed using CRISP/Cas9 technology, and PCR was applied to identify mice genotype. The experiment was divided into 3 groups: CKO+R848 group, control+R848 group, and control group. R848 (Resiquimod) was used to treat the knockout mice and homozygous control mice to evaluate the occurrence of lupus-like features. Quantitative real-time PCR was performed to detect the expression of Toll-like receptor 7/8 (TLR7/8) and its related inflammatory factors in the kidneys of mice. Flow cytometry (FCM) was used to detect the proportion of patrolling monocytes in the kidneys, and immunofluorescence was used to analyze the spatial distribution of Ear2 and PMOs in renal tissues. In addition, R848 was used to stimulate myeloid cells of conditional knockout (CKO) and control mice in vitro, with changes in the proportion of PMOs detected by flow cytometry. Variance (ANOVA) was used to compare the differences between groups, t-test was used for two-by-two comparisons, and one-way analysis of ANOVA was used for comparisons between multiple groupscant. Results:PCR of myeloid conditioned knockout Ear2 mice showed a genotype of Lyz2 ki/wtEar2 fl/fl and significant down-regulation of Ear2 mRNA levels in bone marrow cells of the knockout mice [(1.03±0.26) vs. (0.22±0.15), t=6.65, P<0.001]. Compared with the control+R848 group, lupus related phenotype presentations of mice was improved and the survival rate tended to increase in the CKO+R848 group (6/10 vs. 7/8, χ2=1.51, P=0.220). The pathological results examination suggested that renal lesions of mice in the CKO+R848 group were also attenuated. The expression level of TLR7 was reduced in the renal tissues of CKO+R848 mice [(1.02±0.09) vs. (0.53±0.04), t=5.13, P=0.003], accompanied by a decrease in PMOs infiltration [(62.00±3.37)% vs. (52.36±0.68)%, t=2.80, P=0.023], and immunofluorescence results showed that Ear2 and PMOs were co-localized in renal tissues. In vitro, R848 stimulation caused an increase in the proportion of PMOs in the control group [(3.99±0.59)% vs. (33.48±1.38)%, t=-33.84, P<0.0001], yet had no effect on CKO mice [(14.33±1.72)% vs. (16.10±1.44)%, t=-1.37, P=0.220]. Conclusion:Conditional knockdown of Ear2 attenuates the development of lupus in mice, especially renal impairments, which is related to the inhibition of TLR7 pathway and reduction of local infiltration of PMOs.

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