1.The effect of PPARγ agonists in acute pancreatitis with hepatic injury
Zengyi MA ; Gang XU ; Wenguang YU ; Keli TIAN
Chongqing Medicine 2016;45(11):1473-1476
Objective To observe the peroxidase body growth activated receptor γ (PPARγ) agonist rosiglitazone on acute pancreatitis in mice with hepatic injury and to investigate the mechanism of hepatic injury .Methods Seventy‐two male Kunming mice were randomly allocated into three groups(24 cases for each group):acute pancreatitis group(AP group) ,rosiglitazone group (AP‐ROS group) ,saline group(NS group) .Mice were killed at 6 ,12 and 24 h after induction of acute pancreatitis .Serum amylase , ALT and AST activities were measured .The expressions of NF‐κB and PPARγmRNA were assessed by RT‐PCR .The expressions of NF‐κB and PPARγ protein were assessed by Western blot .Results Compared with NS group ,serum amylase ,ALT and AST levels at each time point significantly increased in AP group(P< 0 .01);serum amylase ,ALT and AST levels in AP‐ROS group were significantly lower than those in AP group(P<0 .01) .Compared with NS group ,the expressions of liver PPARγ mRNA and protein in AP group were markedly lower at 6 h and 12 h(P<0 .05) ,and the expressions of PPARγmRNA and protein in AP‐ROS group were significantly higher than those in NS group and AP group(P<0 .01) .The expressions of liver NF‐κB mRNA and NF‐κB p65 protein in AP group were significantly higher than those in NS group and AP‐ROS group at all time points(P<0 .01) .Con‐clusion There are clear relationships between NF‐κB and hepatic injury in acute pancreatitis .The expressions of PPARγin injuried hepatic decreased .Rosiglitazone can increase the expressions of PPARγand prevent the expressions of NF‐κB in hepatic during the early phase of acute pancreatitis .
2.Spectral analysis of nearly 5 years of infectious diseases in a hospital of Chongqing city
Jing DING ; Wenguang TIAN ; Shiwei WANG ; Zhi ZHOU
Chongqing Medicine 2014;(24):3206-3209
Objective To understand epidemic data and provide evidence for prevention and control of infectious diseases in Yongchuan area .Methods We collected the clinical materials of patients hospitalized during January 2008 to December 2012 ,and retrospectively analyzed the spectrum ,classification and epidemic tendency of infectious diseases in a hospital .Results A total of 4 632 patients were admitted to the department of infectious disease .The top two diseases were always hepatitis B virus infection related diseases and tuberculosis .Fatality mainly also appeared in end-stage liver diseases and tuberculosis .Morbidity of measles and mumps increased obviously in recent years .Hand-foot-mouth disease and influenza A(H1N1) were epidemic in this area .Conclusion The main infectious diseases in Yongchuan area are hepatitis B virus infection related diseases and tuberculosis ,which still are the important points for control and prevention .Also we should strengthen prevention of other infectious diseases such as hand-foot-mouth disease ,H1N1 and the mumps in order to decrease the occurrence of these infectious diseases .
3.Epidemiological and etiological characteristics of hand-foot-mouth disease in Yongchuan District from 2009 to 2011
Jing DING ; Wenguang TIAN ; Shiwei WANG ; Zhi ZHOU
Chongqing Medicine 2014;(29):3948-3950,3964
Objective To provide evidence for control and prevention of hand-foot-mouth disease(HFMD) ,we analyzed the epi-demiological and viral characteristics of HFMD in Yongchuan district from 2009 to 2012 .Methods We collected the clinical dates of HFMD cases from Diseases Infectious Department of the Yongchuan Affiliated Hospital of Chongqing Medical University during 2009 to 2012 ,and analyzed the epidemiological characteristics .Results There were 509 HFMD cases in recruitment ,including 2 se-vere cases(one was dead) .The peak incidence of HFMD occurred from May to July annually .Between 2011 and 2012 ,there was an-other peak incidence ,which occurred from November to December .Most of the patients were under 5 years-old .The number of male cases was larger than that of the female .The number of scattered children cases was larger than that of the nursery children .More cases were reported in rural area than in urban area .Coxsackie virus A16(Cox A16) and other enteroviruses were the predominant strains of HFMD ,however enterovirus 71(EV71) infected cases increased sharply between 2011and 2012 .Enterovirus 71(EV71) inflection is the main cause of severe and death of HFMD .Conclusion The prevalence of HFMD in Yongchuan district had signifi-cant seasonal ,sex and age-specific ,regional differences and etiological characteristics .It was very important to make practical man-agements to prevent occurrence of HFMD according to these epidemiological characteristics .
4.Effects of different iodine nutrition status on thyroid function in pregnant women and newborns
Yu CHEN ; Wenguang SUN ; Wenxia TIAN ; Wenqing YAN ; Jing XIAO ; Fangfang ZHOU ; Nana SHI ; Hongling HUANG
Chinese Journal of Endemiology 2020;39(6):411-415
Objective:To investigate the correlations of dynamic iodine nutrition status and thyroid function in pregnant women and newborns in Lingang of Shanghai, so as to provide an evidence for whether urine iodine testing and iodine supplementation should be carried out.Methods:A prospective study was conducted by randomly selecting pregnant women from October 2017 to October 2018 in Shanghai Sixth People’s Hospital East Affiliated to Shanghai University of Medicine & Health Sciences. The pregnant women were divided into early (5-12 weeks), middle (22-24 weeks), late pregnancy (36-37 weeks). Samples of serum and 24 hours urine were collected to test on thyrotropin (TSH), free thyroxine (FT 4), free triiodothyronine (FT 3), anti-thyroid peroxidase (TPOAb), anti-thyroglobulin (TgAb) and urinary iodine. TSH in neonatal heel blood was analyzed 72 h after birth (newborns from pregnant women in the late pregnancy). The differences of thyroid function of pregnant women with different pregnant periods and different urinary iodine levels were analyzed, as well as the neonatal TSH levels of pregnant women with different urinary iodine levels. Results:A total of 109, 90 and 54 cases of pregnant women in early, middle and late pregnancy were investigated and the medians of urinary iodine were 120.95, 136.30 and 116.80 μg/L, respectively. There was no significant difference in urinary iodine content among different pregnant periods( P > 0.05). The proportions of urinary iodine level less than 150 μg/L in early, middle and late pregnancy were 75.2% (82/109), 61.1% (55/90) and 59.3% (32/54), respectively. The median values of serum TSH in early, middle and late pregnancy were 1.81, 1.95 and 2.29 mU/L, mean values of FT 3 were (5.21 ± 0.84), (4.79 ± 0.72) and (4.13 ± 0.56)pmol/L, and means of FT 4 were (16.48 ± 2.58), (15.02 ± 2.78) and (13.31 ± 1.87) pmol/L, respectively. The FT 3 and FT 4 levels in the late pregnancy were lower than those in the early and middle pregnancy, while the TSH levels in the late pregnancy were higher than those in the early and middle pregnancy. There were no significant difference in serum FT 3, FT 4 and TSH levels among early, middle and late pregnancy under different urinary iodine levels. The median TSH of newborn heel blood was 1.48 mU/L. There was no statistically significant difference between the neonatal heel blood TSH level of pregnant women with urinary iodine < 150 μg/L [1.45(1.09, 2.23)mU/L] in late pregnancy and those with urinary iodine ≥150 μg/L [1.42 (1.14, 2.61) mU/L, Z=- 0.354, P > 0.05]. Conclusions:There is mild iodine deficiency in pregnant women in Lingang of Shanghai. However, due to the compensatory regulation, it has no significant effect on the thyroid function of mother and newborn. Monitoring of iodine nutrition of pregnant women should be carried out and iodine supplementation should be done scientifically and reasonably.
5.The application of transjugular liver biopsy in patients with unexplained liver disease
Wenguang ZHANG ; Xianwei QI ; Jingqiang ZHANG ; Zhenhua TIAN ; Pengfei CHEN ; Xueliang ZHOU ; Fangzheng LI ; Yong NIU ; Jianzhuang REN ; Xinwei HAN
Chinese Journal of Hepatobiliary Surgery 2022;28(9):651-655
Objective:To investigate the clinical value of transjugular liver biopsy (TJLB) in patients with unexplained liver disease complicated with massive ascites or coagulopathy.Methods:A retrospective analysis was performed from patients underwent TJLB in the First Affiliated Hospital of Zhengzhou University, Zhoukou Central Hospital, Shangqiu First People's Hospital and Jincheng People's Hospital from March 2015 to January 2022 due to unexplained liver disease complicated with massive ascites or coagulopathy. A total of 37 patients were included, including 21 males and 16 females, aged (53.5±11.9) years. According to different puncture points, the patients were divided into two groups: transhepatic right vein TJBL and transhepatic middle vein TJBL. The obtained liver tissue sampling effect, puncture times, complications were analyzed.Results:The success rate of TJLB was 97.3%(36/37). Thirty-six patients were able to obtain more than three segments of liver tissue and obtain histological diagnosis, and the pathological diagnosis rate was 100.0%(36/36). The number of puncture times, the amount of hepatic tissue and the number of portal areas in the right hepatic vein group (21 cases) were (3.7±0.9), (3.7±0.7) and (6.5±0.9) respectively, and those in the middle hepatic vein group (15 cases) were (3.7±0.7), (3.7±0.7) and (6.3±0.8) respectively. There were no significant differences between the two groups (all P>0.05). Conclusion:TJLB is safe and feasible for patients with unexplained liver disease complicated with massive peritoneal effusion and coagulopathy. Good liver tissue specimens can be obtained by TJLB from both right hepatic vein and middle hepatic vein.
6.Electroacupuncture alleviates hyperalgesia in spared nerve injury mice by regulating sympathetic-sensory coupling
Shiwei WU ; Fei WANG ; Zhicheng TIAN ; Wenguang CHU ; Ceng LUO
Chinese Journal of Neuroanatomy 2024;40(2):203-210
Objective:To observe the effects of electroacupuncture(EA)intervention on norepinephrine(NE)andα2A adrenergic receptors(α2A-R)in the dorsal root ganglion(DRG)of mice with spared nerve injury(SNI).Methods:Male C57BL/6 mice were randomly divided into sham surgery group(Sham),model group(SNI),negative control EA group(SNI+NC-EA),and EA group(SNI+EA).Mechanical and thermal stimuli were used to measure the paw withdrawal mechanical threshold(PWMT)and paw withdrawal thermal latency(PWTL).Immunofluorescence staining was used to detect the sprouting of sympathetic nerve fibers and the co-localization of α2A-R with large-diameter sensory neurons in mouse DRG.Enzyme-linked immunosorbent assay(ELISA)kits were used to measure NE levels in mouse serum and DRG,and Western Blot was used to detect tyrosine hydroxylase(TH)and α2A-R expression levels in DRG.Results:After SNI,the PWMT and PWTL were significantly decreased,and after electroacupuncture treatment,PWMT and PWTL were reversed and increased.Immune fluorescence staining showed that sympathetic ganglion sprouting increased in DRG after SNI,and significantly decreased after electroacupuncture;After SNI,NE,α2A-R,and TH in DRG all significantly increased,and their expression decreased after electroacupuncture intervention,but NE in the serum did not change significantly.Conclusion:In the SNI model,electroacupuncture may regulate the sympathetic-sensory coupling by inhibiting the release of NE and the expression of α2A-R in DRG,thereby producing analgesic effects.
7.Short-term results of a multicenter study based on a modified N7 induction regimen combined with arsenic trioxide in the treatment of children with high-risk neuroblastoma
Shu YANG ; Kailan CHEN ; Yunyan HE ; Xiaomin PENG ; Hao XIONG ; Wenguang JIA ; Sha WU ; Xunqi JI ; Yuwen CHEN ; Chuan TIAN ; Zhonglü YE ; Zhen YANG ; Jianjun ZHU ; Aiguo LIU ; Xiaohua TIAN ; Fengjuan PAN ; Ke HUANG ; Dunhua ZHOU ; Jianpei FANG ; Yang LI
Chinese Journal of Pediatrics 2024;62(10):949-955
Objective:To analyze the short-term clinical efficacy and safety of arsenic trioxide (ATO) combined with a modified N7 induction regimen in the treatment of children with high-risk neuroblastoma (NB).Methods:This study was a prospective, single-arm, multicenter phase Ⅱ clinical study. Sixty-seven high-risk NB children from eight units of Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Wuhan Children′s Hospital of Tongji Medical College of Huazhong University of Science and Technology, First Affiliated Hospital of Guangxi Medical University, Hainan General Hospital, Affiliated Hospital of Guangdong Medical University, Kunming Children′s Hospital, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, and Guangdong Provincial Agricultural Reclamation Center Hospital were enrolled from January 2019 to August 2023 and were treated with ATO combined with a modified N7 induction regimen. The efficacy and adverse effects at the end of induction chemotherapy were assessed and analyzed, and the differences in the clinical characteristics were further compared between the treatment-responsive and treatment-unresponsive groups by using the Fisher′s exact test.Results:Among 67 high-risk NB children, there were 40 males (60%) and 27 females (40%), with the age of disease onset of 3.5 (2.6, 4.8) years. Primary NB sites were mostly in retroperitoneum (including adrenal gland) (56/67, 84%) and the common metastases sites at initial diagnosis were distant lymph node in 25 cases (37%),bone in 48 cases (72%),bone marrow in 56 cases (84%) and intracalvarium in 3 cases (4%). MYCN gene amplification were detected in 28 cases (42%). At the end of induction, 33 cases (49%) achieved complete remission, 29 cases (43%) achieved partial remission, 1 case (1%) with stable disease, and 4 cases (6%) were assessed as progressive disease (PD). The objective remission rate was 93% (62/67) and the disease control rate was 94% (63/67). The percentage of central system metastases at the initial diagnosis was higher in the treatment-unresponsive group than in the treatment-responsive group (2/5 vs. 2% (1/62), P=0.013), whereas the difference in MYCN gene amplification was not statistically significant between two groups (3/5 vs.40% (25/62), P=0.786). Grade Ⅲ or higher adverse reactions during the induction chemotherapy period were myelosuppression occurred in 60 cases (90%), gastrointestinal symptoms occurred in 33 cases (49%), infections occurred in 20 cases (30%), hepatotoxicity occurred in 4 cases (6%), and cardiovascular toxicity occurred in 1 case (2%). There were no chemotherapy-related deaths. Conclusion:ATO combined with N7-modified induction regimen had a superiority in efficacy and safety, which deserved further promotion in clinical practice.
8.DPHL:A DIA Pan-human Protein Mass Spectrometry Library for Robust Biomarker Discovery
Zhu TIANSHENG ; Zhu YI ; Xuan YUE ; Gao HUANHUAN ; Cai XUE ; Piersma R. SANDER ; Pham V. THANG ; Schelfhorst TIM ; Haas R.G.D. RICHARD ; Bijnsdorp V. IRENE ; Sun RUI ; Yue LIANG ; Ruan GUAN ; Zhang QIUSHI ; Hu MO ; Zhou YUE ; Winan J. Van Houdt ; Tessa Y.S. Le Large ; Cloos JACQUELINE ; Wojtuszkiewicz ANNA ; Koppers-Lalic DANIJELA ; B(o)ttger FRANZISKA ; Scheepbouwer CHANTAL ; Brakenhoff H. RUUD ; Geert J.L.H. van Leenders ; Ijzermans N.M. JAN ; Martens W.M. JOHN ; Steenbergen D.M. RENSKE ; Grieken C. NICOLE ; Selvarajan SATHIYAMOORTHY ; Mantoo SANGEETA ; Lee S. SZE ; Yeow J.Y. SERENE ; Alkaff M.F. SYED ; Xiang NAN ; Sun YAOTING ; Yi XIAO ; Dai SHAOZHENG ; Liu WEI ; Lu TIAN ; Wu ZHICHENG ; Liang XIAO ; Wang MAN ; Shao YINGKUAN ; Zheng XI ; Xu KAILUN ; Yang QIN ; Meng YIFAN ; Lu CONG ; Zhu JIANG ; Zheng JIN'E ; Wang BO ; Lou SAI ; Dai YIBEI ; Xu CHAO ; Yu CHENHUAN ; Ying HUAZHONG ; Lim K. TONY ; Wu JIANMIN ; Gao XIAOFEI ; Luan ZHONGZHI ; Teng XIAODONG ; Wu PENG ; Huang SHI'ANG ; Tao ZHIHUA ; Iyer G. NARAYANAN ; Zhou SHUIGENG ; Shao WENGUANG ; Lam HENRY ; Ma DING ; Ji JIAFU ; Kon L. OI ; Zheng SHU ; Aebersold RUEDI ; Jimenez R. CONNIE ; Guo TIANNAN
Genomics, Proteomics & Bioinformatics 2020;18(2):104-119
To address the increasing need for detecting and validating protein biomarkers in clinical specimens, mass spectrometry (MS)-based targeted proteomic techniques, including the selected reaction monitoring (SRM), parallel reaction monitoring (PRM), and massively parallel data-independent acquisition (DIA), have been developed. For optimal performance, they require the fragment ion spectra of targeted peptides as prior knowledge. In this report, we describe a MS pipe-line and spectral resource to support targeted proteomics studies for human tissue samples. To build the spectral resource, we integrated common open-source MS computational tools to assemble a freely accessible computational workflow based on Docker. We then applied the workflow to gen-erate DPHL, a comprehensive DIA pan-human library, from 1096 data-dependent acquisition (DDA) MS raw files for 16 types of cancer samples. This extensive spectral resource was then applied to a proteomic study of 17 prostate cancer (PCa) patients. Thereafter, PRM validation was applied to a larger study of 57 PCa patients and the differential expression of three proteins in prostate tumor was validated. As a second application, the DPHL spectral resource was applied to a study consisting of plasma samples from 19 diffuse large B cell lymphoma (DLBCL) patients and 18 healthy control subjects. Differentially expressed proteins between DLBCL patients and healthy control subjects were detected by DIA-MS and confirmed by PRM. These data demonstrate that the DPHL supports DIA and PRM MS pipelines for robust protein biomarker discovery. DPHL is freely accessible at https://www.iprox.org/page/project.html?id=IPX0001400000.