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Yu MN, Liu G, Cao JY, Liu AJ, Shao LW, Huang LM. [A case of neonatal splenic kaposiform hemangioendothelioma associated with Kasabach-Merritt phenomenon]. Zhonghua Er Ke Za Zhi 2024; 62:180-182. [PMID: 38264821 DOI: 10.3760/cma.j.cn112140-20231011-00274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Affiliation(s)
- M N Yu
- Department of Neonatal Surgery, Faculty of Pediatrics, the Seventh Medical Center of People's Liberation Army General Hospital, National Engineering Laboratory for Birth Defects Prevention and Control of Key Technology, Beijing Key Laboratory of Pediatric Organ Failure, Beijing 100700, China
| | - G Liu
- Department of Neonatal Surgery, Faculty of Pediatrics, the Seventh Medical Center of People's Liberation Army General Hospital, National Engineering Laboratory for Birth Defects Prevention and Control of Key Technology, Beijing Key Laboratory of Pediatric Organ Failure, Beijing 100700, China
| | - J Y Cao
- Department of Neonatal Surgery, Faculty of Pediatrics, the Seventh Medical Center of People's Liberation Army General Hospital, National Engineering Laboratory for Birth Defects Prevention and Control of Key Technology, Beijing Key Laboratory of Pediatric Organ Failure, Beijing 100700, China
| | - A J Liu
- Department of Pathology, the Seventh Medical Center of People's Liberation Army General Hospital, Beijing 100700, China
| | - L W Shao
- Department of Pathology, the Seventh Medical Center of People's Liberation Army General Hospital, Beijing 100700, China
| | - L M Huang
- Department of Neonatal Surgery, Faculty of Pediatrics, the Seventh Medical Center of People's Liberation Army General Hospital, National Engineering Laboratory for Birth Defects Prevention and Control of Key Technology, Beijing Key Laboratory of Pediatric Organ Failure, Beijing 100700, China
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Yang M, Hou SM, Yuan L, Wang M, Zheng J, Lu KQ, Yan Y, Zhang SY, Li M, Cao JY, Yang M, Zhang XL, Liu H, Liu BC, Wang Y, Wang B. [The consistency of skeletal muscle mass measured by CT at L 1 and L 3 levels and the correlation of skeletal muscle density at L 1 level with prognosis in dialysis patients]. Zhonghua Yi Xue Za Zhi 2023; 103:2850-2858. [PMID: 37726991 DOI: 10.3760/cma.j.cn112137-20230608-00970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Objective: To investigate the consistency of skeletal muscle mass by CT at 1st lumbar vertebrae (L1) and 3rd lumbar vertebrae (L3) levels and the correlation of skeletal muscle density (SMD) at L1 level with prognosis in dialysis patients. Methods: A total of 1 020 patients who underwent initial dialysis and had CT examination data in four centers (Zhongda Hospital Affiliated to Southeast University, the Third Affiliated Hospital of Soochow University, Taizhou People's Hospital Affiliated to Nanjing Medical University and the Affiliated Hospital of Yangzhou University) from January 2014 to December 2019 were retrospectively collected. The skeletal muscle index (SMI) and SMD at L1 and L3 CT images were measured and calculated in patients with both L1 and L3 level CT images. The consistency of SMI and SMD at L1 and L3 levels was analyzed, and the cut-off value of SMI and SMD at L1 level for predicting all-cause mortality and their correlation with the prognosis of dialysis patients were studied. Cox regression model was used to analyze the risk factors for all-cause death and cardiac death. Results: A total of 383 patients had both L1 and L3 level images, including 233 males and 150 females. The average SMD value of 16 samples (4.2%) exceeded the 95% consistency limit range (-8.71 to 7.75 HU), and the average SMI value of 15 samples (3.9%) exceeded the 95% consistency limit range (-20.45 to 9.53 HU). The optimal cut-off value of SMD at L1 level for predicting all-cause mortality was 36.46 HU and the area under curve (AUC) of receiver operating characteristic (ROC) curve was 0.658 (95%CI: 0.596-0.721, P<0.001), with the sensitivity and specificity of 83.8% and 57.5%, respectively. SMI at L1 level was not significantly associated with all-cause mortality (P=0.299). Multivariate Cox regression analysis showed that low SMD at L1 level was associated with all-cause mortality (HR=2.861, 95%CI: 1.576-5.193, P=0.001) and cardiac death (HR=3.771, 95%CI:1.462-9.724, P=0.006). Conclusions: SMD at L1 levelis consistent with SMD at L3 level and can be used to evaluate muscle mass. Low SMD is a risk factor for mortality in dialysis patients.
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Affiliation(s)
- M Yang
- Department of Nephrology, Affiliated Hospital of Yangzhou University, Yangzhou 225001, China
| | - S M Hou
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - L Yuan
- Department of Nephrology, Affiliated Hospital of Yangzhou University, Yangzhou 225001, China
| | - M Wang
- Department of Nephrology, Affiliated Hospital of Yangzhou University, Yangzhou 225001, China
| | - J Zheng
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - K Q Lu
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - Y Yan
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - S Y Zhang
- Department of Nephrology, Taizhou People's Hospital Affiliated to Nanjing Medical University, Taizhou 225300, China
| | - M Li
- Department of Nephrology, the Third Affiliated Hospital of Soochow University, Changzhou 213000, China
| | - J Y Cao
- Department of Nephrology, Taizhou People's Hospital Affiliated to Nanjing Medical University, Taizhou 225300, China
| | - M Yang
- Department of Nephrology, Affiliated Hospital of Yangzhou University, Yangzhou 225001, China
| | - X L Zhang
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - H Liu
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - B C Liu
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
| | - Y Wang
- Department of Nephrology, Affiliated Hospital of Yangzhou University, Yangzhou 225001, China
| | - B Wang
- Institute of Nephrology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China
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Zhang SY, Zou CB, Cao JY. [The analysis of a family with Fabre disease]. Zhonghua Nei Ke Za Zhi 2023; 62:1129-1133. [PMID: 37650187 DOI: 10.3760/cma.j.cn112138-20230210-00076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Affiliation(s)
- S Y Zhang
- Department of Nephrology, the Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou 225300, China
| | - C B Zou
- Department of Nephrology, the Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou 225300, China
| | - J Y Cao
- Department of Nephrology, the Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou 225300, China
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Gao RQ, Li K, Sun JH, Ma YH, Xu XY, Xie YW, Cao JY. [Establishment and validation of a preoperative nomogram model for predicting the risk of hepatocellular carcinoma with microvascular invasion]. Zhonghua Wai Ke Za Zhi 2023; 61:41-47. [PMID: 36603883 DOI: 10.3760/cma.j.cn112139-20220713-00311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Objective: To establish and validate a nomogram model for predicting the risk of microvascular invasion(MVI) in hepatocellular carcinoma. Methods: The clinical data of 210 patients with hepatocellular carcinoma who underwent hepatectomy at Department of Hepatobiliary and Pancreatic Surgery,the Affiliated Hospital of Qingdao University from January 2013 to October 2021 were retrospectively analyzed. There were 169 males and 41 females, aged(M(IQR)) 57(12)years(range:30 to 80 years). The patients were divided into model group(the first 170 cases) and validation group(the last 40 cases) according to visit time. Based on the clinical data of the model group,rank-sum test and multivariate Logistic regression analysis were used to screen out the independent related factors of MVI. R software was used to establish a nomogram model to predict the preoperative MVI risk of hepatocellular carcinoma,and the validation group data were used for external validation. Results: Based on the modeling group data,the receiver operating characteristic curve was used to determine that cut-off value of DeRitis ratio,γ-glutamyltransferase(GGT) concentration,the inverse number of activated peripheral blood T cell ratio (-aPBTLR) and the maximum tumor diameter for predicting MVI, which was 0.95((area under curve, AUC)=0.634, 95%CI: 0.549 to 0.719), 38.2 U/L(AUC=0.604, 95%CI: 0.518 to 0.689),-6.05%(AUC=0.660, 95%CI: 0.578 to 0.742),4 cm(AUC=0.618, 95%CI: 0.533 to 0.703), respectively. Univariate and multivariate Logistic regression analysis showed that DeRitis≥0.95,GGT concentration ≥38.2 U/L,-aPBTLR>-6.05% and the maximum tumor diameter ≥4 cm were independent related factors for MVI in hepatocellular carcinoma patients(all P<0.05). The nomogram prediction model based on the above four factors established by R software has good prediction efficiency. The C-index was 0.758 and 0.751 in the model group and the validation group,respectively. Decision curve analysis and clinical impact curve showed that the nomogram model had good clinical benefits. Conclusions: DeRitis ratio,serum GGT concentration,-aPBTLR and the maximum tumor diameter are valuable factors for preoperative prediction of hepatocellular carcinoma with MVI. A relatively reliable nomogram prediction model could be established on them.
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Affiliation(s)
- R Q Gao
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - K Li
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - J H Sun
- Department of Cosmetic Surgery,the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - Y H Ma
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - X Y Xu
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - Y W Xie
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
| | - J Y Cao
- Department of Hepatobiliary and Pancreatic Surgery, the Affiliated Hospital of Qingdao University,Qingdao 266000,China
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Cao JY, Zhang YC, Cui Y. [Nutrition support during pediatric extracorporeal membrane oxygenation]. Zhonghua Er Ke Za Zhi 2021; 59:985-988. [PMID: 34711038 DOI: 10.3760/cma.j.cn112140-20210527-00466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- J Y Cao
- Department of Critical Care Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai 200040, China
| | - Y C Zhang
- Department of Critical Care Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai 200040, China
| | - Y Cui
- Department of Critical Care Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai 200040, China
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Miao XX, Ma LJ, Cao JY, Wang CC, Nie YZ, Liu KG. [Effect of knockdown of O-Glcnac transferase on hepatocyte fat synthesis]. Zhonghua Gan Zang Bing Za Zhi 2020; 28:147-151. [PMID: 32164066 DOI: 10.3760/cma.j.issn.1007-3418.2020.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effect of knockdown of O-GlcNAc transferase (OGT) on hepatocyte fat synthesis. Methods: Liver cell line L02 were used to established the model of hepatic steatosis. The levels of OGT and O-GlcNAc protein were detected by Western blot. The OGT knockdown cell line of L02 cells was established, and its lipid formation ability was detected after induction of oleic acid (OA). Real-time quantitative PCR (qRT-PCR) and Western blot were used to detect mRNA and protein expression of enzymes related to fat synthesis. An independent sample t test was used. Results: Western blot showed that the expression of OGT and O-GlcNAc was increased in L02 cells after adipogenesis (P < 0.05). After shOGT lentivirus infects L02 cells, OGT mRNA levels were down-regulated (P < 0.01). Oil red O staining showed that the lipid in L02 shOGT cells decreased, qRT-PCR showed that the mRNA expressions of fat synthase (ACC1), (FASN) and (SCD1) were decreased, the difference was statistically significant (P < 0.05), protein Expression is consistent with mRNA expression. Conclusion: Knockdown of OGT can inhibit hepatocyte fat synthesis by reducing O-GlcNAc levels.
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Affiliation(s)
- X X Miao
- Department of Digestive Medicine, First Affiliated Hospital of Xi'an Medical College, Xi'an 710077
| | - L J Ma
- Xijing Hospital of Digestive Disease & State Key of Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an 710032
| | - J Y Cao
- Xijing Hospital of Digestive Disease & State Key of Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an 710032
| | - C C Wang
- Xijing Hospital of Digestive Disease & State Key of Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an 710032
| | - Y Z Nie
- Xijing Hospital of Digestive Disease & State Key of Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an 710032
| | - K G Liu
- Department of Digestive Medicine, First Affiliated Hospital of Xi'an Medical College, Xi'an 710077
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Li CJ, Wang TY, Cao JY, Huang AL, Wang JF, Ren CG, Chen SP, Wu LJ. [Mode of median nerve irritation under different wrist forcing postures observed by ultrasonography and foot pressure measurement system]. Zhonghua Yi Xue Za Zhi 2018; 98:3490-3495. [PMID: 30481897 DOI: 10.3760/cma.j.issn.0376-2491.2018.43.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Objective: To analyze the influence of simulation mouse use motion under different wrist forcing postures on median nerve, tendons and ligaments in the carpal tunnel. Methods: From June to November in 2017, a total of 49 healthy volunteers [aged from 18 to 27 years, 24 males (48 cases of hands) and 25 females (50 cases of hands)] were selected in the Institute of Digitized Medicine and First Affiliated Hospital of Wenzhou Medical University.Three hand postures of the volunteers were simultaneously and continuously measured by using LOGIQ E9 ultrasonic diagnostic apparatus and Zebris foot pressure distribution measurement system.Seventeen parameters of nerves, tendons and ligaments in carpal tunnel were observed under natural (0 N), and two forced (25 and 50 N) states.Double factor variance analysis was performed with generalized estimating equation (GEE). Results: With increasing pressure (0, 25 and 50 N) of hand postures, the distance between median nerve and transverse carpal ligament were all less than 0.2 cm.The differences in both the distance between median nerve and flexor pollicis longus under the hand pressure changes or under the hand posture changes and the top angle of a triangle composed of median nerve, flexor pollicis longus and flexor digitorum superficialis group under the hand pressure changes or under the hand posture changes were all significant under the GEE analysis (all P<0.01). There were no significant changes in all other structural parameters in the carpal tunnel with the increasing of hand pressure (all P>0.05). Conclusions: The influence of the transverse carpal ligament to the median nerve belongs to the mechanism of pressure-induced irritation damage.The influence of flexor pollicis longus to median nerve belongs to the mechanism of tension-induced irritation damage.The influence of flexor digitorum superficialis to median nerve belongs to the mechanism of mixed shear irritation damage.
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Affiliation(s)
- C J Li
- Institute of Digitized Medicine, Wenzhou Medical University, Zhejiang 325035, China
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Ke R, Wu YF, McKee GR, Yan Z, Jaehnig K, Xu M, Kriete M, Lu P, Wu T, Morton LA, Qin X, Song XM, Cao JY, Ding XT, Duan XR. Initial beam emission spectroscopy diagnostic system on HL-2A tokamak. Rev Sci Instrum 2018; 89:10D122. [PMID: 30399666 DOI: 10.1063/1.5039350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 08/22/2018] [Indexed: 06/08/2023]
Abstract
A beam emission spectroscopy system is being developed and deployed on the HL-2A tokamak to measure local low wavenumber (k ⊥ ρ i < 1) density fluctuations by measuring the Doppler-shifted emission from a 50 kV deuterium heating neutral beam. High spatial resolution (Δr ≤ 1 cm, Δz ≤ 1.5 cm) measurements are achieved with customized in-vacuum optics. High frequency, high-gain preamplifiers sample the light intensity at a Nyquist frequency of 1 MHz and achieve a high S/N ratio via high optical throughput, low-noise preamplifiers, and high quantum efficiency photodiodes. A first set of 16 detector channels [configured in an 8 (radial) × 2 (poloidal) array] has been installed and tested at HL-2A, covering the radial range r/a = 0.8-1.1. The frequency and wavenumber spectra have been measured under different plasma conditions. Initial measurements have demonstrated the capability of measuring edge plasma density fluctuation spectra and the poloidal flow velocity fields with a high S/N ratio.
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Affiliation(s)
- R Ke
- Department of Engineering Physics, Tsinghua University, Beijing 100084, China
| | - Y F Wu
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - G R McKee
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - Z Yan
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - K Jaehnig
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - M Xu
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - M Kriete
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - P Lu
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - T Wu
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - L A Morton
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - X Qin
- Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706-1687, USA
| | - X M Song
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - J Y Cao
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - X T Ding
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - X R Duan
- Center for Fusion Science, Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
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Kou S, Cao JY, Yeo S, Holmes-Walker DJ, Lau SL, Gunton JE. Ethnicity influences cardiovascular outcomes and complications in patients with type 2 diabetes. J Diabetes Complications 2018; 32:144-149. [PMID: 29199084 DOI: 10.1016/j.jdiacomp.2017.10.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 10/22/2017] [Accepted: 10/30/2017] [Indexed: 10/18/2022]
Abstract
AIM To determine whether cardiovascular outcomes in type 2 diabetes (T2D) differ according to ethnicity, and whether ethnicity influences the effect of gender on these outcomes in Caucasians, East-Southeast-Asians, Middle-Easterners, South-Asians and Pacific-Islanders. METHODS We compared demographics, HbA1c, lipid profile, renal function markers, and prevalence of macrovascular and microvascular complications between ethnic groups. Cross-sectional data was prospectively collected from 204 consecutive patients at Westmead Hospital's T2D clinic from April-October 2015. Univariate analysis was performed using chi-squared test for categorical data, and Mann-Whitney-U or Kruskal-Wallis test for continuous data. RESULTS Compared to Caucasians, South-Asians were diagnosed younger, were currently younger, had lower body-mass-index (BMI) and better renal function but higher rates of non-ST-elevation myocardial infarction (STEMI, 21.7% versus 3.5%, p<0.05). East-Southeast-Asians had lower BMI but more nephropathy than Caucasians (59% versus 39%, p<0.05). East-Southeast-Asian males had fewer CVD than Caucasians, but this protection was absent in East-Southeast-Asian females. Middle-Easterners had more non-STEMI than Caucasians (5.3% vs 3.5%, p<0.05). Middle-Eastern females were not at lower CVD risk than males. Caucasians had most PVD (20% versus 6%, p<0.05). CONCLUSIONS Ethnicity influences rates of diabetes-related complications. Female CVD protection is altered in some groups. Ethnicity should be considered in assessing CVD and complications risk.
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Affiliation(s)
- S Kou
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - J Y Cao
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - S Yeo
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - D J Holmes-Walker
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia; Department of Diabetes and Endocrinology, Westmead Hospital, Sydney, NSW, Australia
| | - S L Lau
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia; Department of Diabetes and Endocrinology, Westmead Hospital, Sydney, NSW, Australia
| | - J E Gunton
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia; Department of Diabetes and Endocrinology, Westmead Hospital, Sydney, NSW, Australia; The Westmead Institute for Medical Research, The University of Sydney, NSW, Australia.
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Cao JY, Yin HS, Li HS, Yu XQ, Han X. Interleukin-27 augments the inhibitory effects of sorafenib on bladder cancer cells. ACTA ACUST UNITED AC 2017; 50:e6207. [PMID: 28746469 PMCID: PMC5520222 DOI: 10.1590/1414-431x20176207] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 05/22/2017] [Indexed: 01/08/2023]
Abstract
Both sorafenib and interleukin-27 (IL-27) are antineoplastic drugs. This study aimed to investigate the synergistic effect of these two drugs on bladder cancer cells. HTB-9 and T24 cells were stimulated with IL-27 (50 ng/mL), sorafenib (2 μM) or the synergistic action of these two drugs. The cells without treatment acted as control. Cell proliferation, apoptosis and invasion were measured by bromodeoxyuridine assay, flow cytometry and modified Boyden chamber, respectively. Simultaneously, both modified Boyden chamber and scratch assay were used to assess cell migration. Finally, the phosphorylation levels of key kinases in the Akt/mechanistic target of rapamycin (mTOR)/mitogen-activated protein kinase (MAPK) pathway, and expression levels of matrix metalloproteinase (MMP)-2 and MMP-9 were detected by western blot analysis. Stimulation with IL-27 or sorafenib repressed proliferation, migration and invasion but promoted apoptosis, and the effects were all enhanced by the combination of these two drugs in HTB-9 cells. The effect of the combined treatment on bladder cancer cells was verified in T24 cells. Additionally, the phosphorylation levels of AKT, mTOR and MAPK as well as the expression levels of MMP-2 and MMP-9 were all decreased by a single treatment of IL-27 or sorafenib, and further decreased by the combined treatment of these two drugs. The combination of IL-27 and sorafenib inhibited proliferation, migration and invasion and promoted apoptosis of bladder cancer cells compared with mono-drug treatment. Additionally, the AKT/mTOR/MAPK pathway might be implicated in the functional effects by down-regulations of MMP-2 and MMP-9.
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Affiliation(s)
- J Y Cao
- Department of Urology, Binzhou Medical University Hospital, Binzhou, China
| | - H S Yin
- Department of Urology, Binzhou Medical University Hospital, Binzhou, China
| | - H S Li
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - X Q Yu
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - X Han
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
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Wu LQ, Wang ZS, Cao JY, Hu WY, Han B, Sun CD, Zhang BY, Qiu FB, Zhang S, Yang JY, Cui ZJ. [Clinicopathologic features of hepatocellular carcinoma patients surviving more than 10 years after radical hepatectomy]. Zhonghua Wai Ke Za Zhi 2017; 55:130-135. [PMID: 28162213 DOI: 10.3760/cma.j.issn.0529-5815.2017.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To clarify the clinicopathologic features of hepatocellular carcinoma (HCC) patients survived more than 10 years after radical hepatectomy. Methods: Two hundreds and fifty-two patients who underwent curative resection for HCC between January 1999 and March 2006 at Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Qingdao University were included.There were 217 male cases and 35 female cases aging from 17 to 82 years with median age of (53.8±10.5)years. Followed by March 31 2016, clinicopathologic factors in 10-year survivors and patients who died within 10 years were compared by χ(2) test, Kaplan-Meier survival analysis and Cox proportional hazards model and the prognostic factors affecting survival were identified. Results: All patients were followed-up for 4.0 to 205.7 months with median time of 53.4 months. The 10-year overall survival rate was 26%, there were 62 cases(26.2%) who survived for more than 10 years after initial hepatectomy. In survival >10-year group, the paitents with ALT<40 U/L, gamma-glutamyl transpeptidase<64 U/L, albumin≥35 g/L, without liver cirrhosis and portal hypertension, Child-Pugh grade A, no blood transfusion, AFP≤20 μg/L, tumor size ≤5.0 cm, single tumor, high differentiation, TNM stage Ⅰ and TACE negative after resection were more than the patients in survival <10-year group (P<0.05). In multivariate analysis, Child-Pugh grade A, the tumor size ≤5.0 cm and TACE negative after resection were favorable independent factors associated with 10-year survival (P<0.05). Conclusion: Based on the results of the study, Child-Pugh grade A, tumor size ≤5.0 cm and TACE negative after resection at initial hepatectomy might be biologically favorable conditions for patients surviving more than 10 years.
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Affiliation(s)
- L Q Wu
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Qingdao University, Qingdao 266003, China
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Yu DL, Wei YL, Liu L, Cao JY, Ma Q, Chen WJ, Liu Y, Yan LW, Yang QW, Duan XR. Progress of neutral-beam-aided diagnostics on the HL-2A tokamak. Rev Sci Instrum 2014; 85:11E402. [PMID: 25430309 DOI: 10.1063/1.4886419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A 32/64-channel Charge eXchange Recombination Spectroscopy (CXRS) and a 7-channel motional Stark effect (MSE) polarimeter have been developed on the HL-2A tokamak. To extract the maximum time resolution of the system, the incidence fibers of the spectrometer are pitch-controlled; and the double-slit fiber bundle can increase the spatial channels with one charge-coupled device detector. The ion temperature and plasma rotation with time and spatial resolutions up to 5 ms and 1 cm are obtained. Sawtooth oscillation, transition from intermediate phase (I phase) to high confinement mode (H mode) can be clearly observed by the CXRS. The spectrometer can be utilized as the main component of the MSE polarimeter, which can effectively overcome the weak Stark effect. The pitch angles of magnetic field are obtained for 7 spatial points covering 24 cm along major radius with time resolution of 40 ms.
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Affiliation(s)
- D L Yu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Y L Wei
- Southwestern Institute of Physics, Chengdu 610041, China
| | - L Liu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - J Y Cao
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Q Ma
- Southwestern Institute of Physics, Chengdu 610041, China
| | - W J Chen
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Y Liu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - L W Yan
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Q W Yang
- Southwestern Institute of Physics, Chengdu 610041, China
| | - X R Duan
- Southwestern Institute of Physics, Chengdu 610041, China
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Wei YL, Yu DL, Liu L, Ida K, von Hellermann M, Cao JY, Sun AP, Ma Q, Chen WJ, Liu Y, Yan LW, Yang QW, Duan XR, Liu Y. High spatial and temporal resolution charge exchange recombination spectroscopy on the HL-2A tokamak. Rev Sci Instrum 2014; 85:103503. [PMID: 25362389 DOI: 10.1063/1.4897186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A 32/64-channel charge exchange recombination spectroscopy (CXRS) diagnostic system is developed on the HL-2A tokamak (R = 1.65 m, a = 0.4 m), monitoring plasma ion temperature and toroidal rotation velocity simultaneously. A high throughput spectrometer (F/2.8) and a pitch-controlled fiber bundle enable the temporal resolution of the system up to 400 Hz. The observation geometry and an optimized optic system enable the highest radial resolution up to ∼1 cm at the plasma edge. The CXRS system monitors the carbon line emission (C VI, n = 8-7, 529.06 nm) whose Doppler broadening and Doppler shift provide ion temperature and plasma rotation velocity during the neutral beam injection. The composite CX spectral data are analyzed by the atomic data and analysis structure charge exchange spectroscopy fitting (ADAS CXSFIT) code. First experimental results are shown for the case of HL-2A plasmas with sawtooth oscillations, electron cyclotron resonance heating, and edge transport barrier during the high-confinement mode (H-mode).
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Affiliation(s)
- Y L Wei
- Southwestern Institute of Physics, Chengdu 610041, China
| | - D L Yu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - L Liu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - K Ida
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - M von Hellermann
- ITER Diagnostic Team, IO, Route de Vinon sur Verdon, 13115 St Paul lez Durance, France
| | - J Y Cao
- Southwestern Institute of Physics, Chengdu 610041, China
| | - A P Sun
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Q Ma
- Southwestern Institute of Physics, Chengdu 610041, China
| | - W J Chen
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Yi Liu
- Southwestern Institute of Physics, Chengdu 610041, China
| | - L W Yan
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Q W Yang
- Southwestern Institute of Physics, Chengdu 610041, China
| | - X R Duan
- Southwestern Institute of Physics, Chengdu 610041, China
| | - Yong Liu
- Southwestern Institute of Physics, Chengdu 610041, China
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14
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Affiliation(s)
- S B Cao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, No. 150 Hapin Road, 150081, Harbin, China,
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15
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Yu DL, Wei YL, Xia F, Cao JY, Chen CY, Liu L, Chen WJ, Ji XQ, Liu Y, Yan LW, Yang QW, Duan XR. The motional Stark effect polarimeter in the HL-2A tokamak. Rev Sci Instrum 2014; 85:053508. [PMID: 24880370 DOI: 10.1063/1.4875257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A 7-channel motional Stark effect polarimeter based on four polarizers and a spectrometer has been developed in the HL-2A tokamak, which is the first time successful utilizing this kind of polarimeter on a tokamak. The accuracy of the angle can reach ±0.25° in the calibration experiments. Pilot experiments of measuring the magnetic pitch angle have been successfully carried out in the weak motional Stark effect plasma discharge with toroidal magnetic field of ~1.3 T and beam energy of ~25 keV/amu. The pitch angles of magnetic field are obtained for 7 spatial points covering 24 cm along major radius with time resolution of 40 ms; the profiles of safety factor are obtained by combining with the Equilibrium and Reconstruction Fitting Code. The core value of safety factor (q) is less than 1 during the sawtooth oscillation and the position of q = 1 surface is well consistent with the results measured by soft X-ray array.
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Affiliation(s)
- D L Yu
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - Y L Wei
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - F Xia
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - J Y Cao
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - C Y Chen
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - L Liu
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - W J Chen
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - X Q Ji
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - Y Liu
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - L W Yan
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - Q W Yang
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
| | - X R Duan
- Southwestern Institute of Physics, Chengdu, Sichuan 610041, China
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16
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Che DH, Cao JY, Shang LH, Man YC, Yu Y. The efficacy and safety of low-molecular-weight heparin use for cancer treatment: a meta-analysis. Eur J Intern Med 2013; 24:433-9. [PMID: 23385011 DOI: 10.1016/j.ejim.2013.01.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Revised: 12/30/2012] [Accepted: 01/06/2013] [Indexed: 11/15/2022]
Abstract
BACKGROUND Low-molecular-weight heparin (LMWH) has an anti-tumour effect in-vitro and in animal models of malignancy; however, the evidence from clinical trials is controversial. Thus, we performed a meta-analysis from the results of randomised controlled trials (RCTs) to assess LMWH efficacy and safety in cancer patients who had no venous thromboembolism (VTE). METHODS We searched the MEDLINE, EMBASE and CENTRAL (The Cochrane Central Register of Controlled Trails) databases covering all papers published up until April 2012. Two reviewers (D. H. Che and J. Y. Cao) extracted the data independently. The inclusion criteria used were patients with cancer who had no VTE and were treated with LMWH. The outcomes of interest included the 1-year mortality rate, VTE, bleeding and major bleeding complications. The results were presented as a relative risk (RR), and the STATA 11.0 package was used for comprehensive quantitative analysis. RESULTS A total of 11 studies with 3835 cases and 3449 controls were included. The meta-analysis showed significant differences in the rates of bleeding with an RR: 1.32 [95% confidence interval (95% CI, 1.08-1.62)] and VTE with an RR: 0.53 (95% CI, 0.42-0.67) in cancer patients when LMWH was compared with placebo or no anticoagulant. There were no significant differences in the 1-year mortality rate with an RR: 0.97 (95% CI, 0.92-1.02) and major bleeding with an RR: 1.22 (95% CI, 0.87-1.71). CONCLUSION LMWH does not significantly reduce the 1-year mortality rate for cancer patients. Although LMWH can prevent VTE, we should consider the risk-effect ratio (in case of an increased bleeding event) when we use LMWH in the patients with cancer. Thus, further research is still needed to confirm these results.
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Affiliation(s)
- D H Che
- Department of Medical Oncology, The Third Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, PR China
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Abstract
The ion beam optics for the neutral beam injection system on HL-2A Tokomak is studied by two- dimensional numerical simulation program firstly, where the emitting surface is taken at 100 Debye lengths from the plasma electrode. The mathematical formulation, computation techniques are described. Typical ion orbits, equipotential contours, and emittance diagram are shown. For a fixed geometry electrode, the effect of plasma density, plasma potential and plasma electron temperature on ion beam optics is examined, and the calculation reliability is confirmed by experimental results. In order to improve ion beam optics, the application of a small pre-acceleration voltage (∼100 V) between the plasma electrode and the arc discharge anode is reasonable, and a lower plasma electron temperature is desired. The results allow optimization of the ion beam optics in the neutral beam injection system on HL-2A Tokomak and provide guidelines for designing future neutral beam injection system on HL-2M Tokomak.
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Affiliation(s)
- G Q Zou
- Southwestern Institute of Physics, Chengdu, 610041, China.
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18
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Wei HL, Cao JY, Rao J, Lei GJ, Jiang SF, Liu H, Yu LM, Xie WM, Li M, Yang XF, Zou GQ, Lu DL, Duan XR. The dependence of extracted current on discharge gas pressure in neutral beam ion sources on HL-2A tokamak. Rev Sci Instrum 2012; 83:023302. [PMID: 22380084 DOI: 10.1063/1.3681446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The discharge gas pressure is a key factor to influence the extracted current of ion source. In this paper, the dependence of extracted current on discharge gas pressure was investigated in detail at different arc discharge currents. The discharge gas pressure with a very broad range (0.1 Pa-2.7 Pa) was scanned for the first time. It is turned out that, with the increasing of discharge gas pressure, the extracted current increases and the arc voltage decreases at different arc currents; however, when the discharge gas pressure exceeds a certain value, the extracted current decreases. For the same discharge gas pressure, the higher the arc current, the higher the arc voltage and the extracted current are. The arc efficiency was also calculated, and its dependence on gas pressure was almost the same with the dependence of extracted current on gas pressure, but at the same discharge gas pressure, the lower the arc current, the higher the arc efficiency is and the lower the extracted current is.
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Affiliation(s)
- H L Wei
- Southwestern Institute of Physics, Chengdu 610041, China.
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Lu Y, Wu LQ, Zhang BY, Cao JY. Graft-versus-host disease after liver transplantation: successful treatment of a case. Transplant Proc 2009; 40:3784-6. [PMID: 19100490 DOI: 10.1016/j.transproceed.2008.03.164] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2007] [Revised: 03/04/2008] [Accepted: 03/26/2008] [Indexed: 12/11/2022]
Abstract
Graft-versus-host disease (GVHD) is a rare, serious complication after liver transplantation. The incidence is about 1% abroad, but because of difficulties in diagnosis and treatment, the mortality rate is high (80%). Up to now, 78 patients have been reported to have this complication after liver transplantation worldwide; despite various therapeutic programs, the mortality of GVHD after orthotopic liver transplantation (OLT) is still high. Herein we have reported successful treatment of a case of GVHD after liver transplantation.
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Affiliation(s)
- Y Lu
- Department of Hepatobiliary Surgery, Affiliated Hospital of Medical College, Qingdao University, Qingdao, People's Republic of China.
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20
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Yuan HJ, Han DY, Sun Q, Yan D, Sun HJ, Tao R, Cheng J, Qin W, Angeli S, Ouyang XM, Yang SZ, Feng L, Cao JY, Feng GY, Wang YF, Dai P, Zhai SQ, Yang WY, He L, Liu XZ. Novel mutations in the vWFA2 domain of COCH in two Chinese DFNA9 families. Clin Genet 2008; 73:391-4. [DOI: 10.1111/j.1399-0004.2008.00972.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Cheng J, Han DY, Dai P, Sun HJ, Tao R, Sun Q, Yan D, Qin W, Wang HY, Ouyang XM, Yang SZ, Cao JY, Feng GY, Du LL, Zhang YZ, Zhai SQ, Yang WY, Liu XZ, He L, Yuan HJ. A novel DFNA5 mutation, IVS8+4 A>G, in the splice donor site of intron 8 causes late-onset non-syndromic hearing loss in a Chinese family. Clin Genet 2007; 72:471-7. [PMID: 17868390 DOI: 10.1111/j.1399-0004.2007.00889.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We report here the clinical, genetic, and molecular characteristics of a large Chinese family exhibiting non-syndromic, late-onset autosomal dominant sensorineural hearing loss. Clinical evaluation revealed variable phenotypes of hearing loss in terms of severity and age-at-onset of disease in these subjects. Genome-wide linkage analysis mapped the disease gene to the DFNA5 locus with a maximum two-point log odds score of 5.39 at [theta] = 0 for marker D7S2457. DNA sequencing of DFNA5 revealed a novel heterozygous IVS8+4 A>G substitution in the splice donor site of intron 8. Reverse transcriptase-polymerase chain reaction (RT-PCR) showed skipping of exon 8 in the mutant transcript. This mutation faithfully cosegregated with hearing loss in the family. In addition, the mutation was absent in 100 unrelated control DNA samples of Chinese origin. The IVS8+4 A>G mutation is predicted to create a shift in the reading frame and introduce a stop codon at position 372, thereby resulting in a prematurely truncated DFNA5 protein. Up to date, a total of four mutations in DFNA5 have been reported to lead to hearing impairment, all of them result in skipping of exon 8 at the mRNA level. Our findings provide further support for the hypothesis that DFNA5-associated hearing loss is caused by a very specific gain-of-function mutation.
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Affiliation(s)
- J Cheng
- Institute Of Otolaryngology, Chinese PLA General Hospital, Beijing, China
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Wang QJ, Lu CY, Li N, Rao SQ, Shi YB, Han DY, Li X, Cao JY, Yu LM, Li QZ, Guan MX, Yang WY, Shen Y. Y-linked inheritance of non-syndromic hearing impairment in a large Chinese family. J Med Genet 2004; 41:e80. [PMID: 15173246 PMCID: PMC1735813 DOI: 10.1136/jmg.2003.012799] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
Blood fibrinogen concentrations and glutamic-pyruvic transaminase activities of 66 adult cancer inpatients (aged 22 - 70 years) were determined both before and after one or two chemotherapy regimens. The percentage of hepatoma patients with abnormal blood fibrinogen levels (< 1.5 or > 6.0 g/l) was higher (64.3% of 14 patients) than that in other cancer categories (19.2% of 52 patients). The mean blood fibrinogen concentrations of male (3.5 g/l) and female (4.5 g/l) cancer patients were higher than those previously reported for healthy humans (2.8 and 2.9 g/l, respectively). After chemotherapy, blood fibrinogen concentrations decreased in patients whose primary tumours were surgically removed (from 4.8 to 3.2 g/l) but increased (from 3.0 to 4.8 g/l) in those who did not undergo surgery. Glutamic-pyruvic transaminase activities did not appear to be related to blood fibrinogen levels. We conclude that the increase in mean blood fibrinogen levels of cancer patients is probably related to tumour growth. Different mechanisms may operate in patients with hepatoma.
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Affiliation(s)
- D Y Lu
- School of Life Sciences, Shanghai University, People's Republic of China
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24
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Cao JY, Fu DH, Zhang F, Liang D. [Structure determination of alkyd resins by simultaneous pyrolysis methylation gas chromatography-mass spectometry]. Se Pu 2000; 18:390-3. [PMID: 12549427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023] Open
Abstract
Several types of alkyd resins have been analyzed by simultaneous pyrolysis methylation gas chromatography mass spectrometry (SPM-GC-MS). The samples were mixed with tetramethylammonium hydroxide, and the process included simultaneous pyrolysis derivatization and mass spectrometry determination. SPM-GC-MS conditions: a vertical microfurnace-type pyrolyzer was directly attached to a gas chromatograph-mass spectrometer. About 20 ug of the mixed alkyd resin sample was introduced into the center of the pyrolyzer at 450 degrees C under the flow of helium carrier gas. The inlet mode was split with an injection interval of 10 s and the inlet pressure was 82.7 kPa. The gas chromatograph was fitted with a fused-silica capillary column ( SE-54 30 m x0.25 mm i.d. x 0.25 um). Temperature program settings were: initial temperature, 40 degrees C, hold 2 min; increase at 6 degrees C min 1 to 220 degrees C, hold 14 min; increase at 10 degrees C min 1 to 280 degrees C, hold 8 min. All pyrolysis products referred to were identified by mass spectrometry. The temperature of the ion source was 210 degrees C and that of the transfer line was 250 degrees C. The technique could give additional information about the composition of the dibasic acids, polyols, six types of drying oils, and modified alkyd resins. The method is sensitive, accurate, convenient, and involves minimal sample manipulation.
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25
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Yang YP, Liu CB, Jin DY, Zhan MY, Tang Q, Xia NS, Cao JY, Li JY. cDNA cloning of c33-c antigen gene derived from NS3 region of Chinese HCV genome, expression in Escherichia coli and development of HCV EIA second-generation diagnostic kit. Sci China B 1994; 37:190-202. [PMID: 7520701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A cDNA fragment of about 860 bp corresponding to the c33-c gene in the non-structural region 3 (NS3) of HCV genome was obtained from one plasma derived from a Chinese HCV carrier who came from Tai' an of Shandong Province, China by the application of reverse transcription (RT) and polymerase chain reaction (PCR) techniques. After the sequence of the cDNA fragment was determined and compared with the equivalent region of the HCV-I (HCV-US) and HCV-II (HCV-BK) genomes, the nucleotide/amino acid sequence homologies were found to be 79.2%/91.3%/ and 91.3%/93.9%, respectively. The prokaryotic expression vector pBV220 was employed for the overproduction of c33-c native recombinant protein in E. coli cells. The expression products were detected by enzyme-linked immunosorbent assay (ELISA) and Western blotting with antisera of chronic hepatitis C patients, and a molecular weight 31 kD of c33-c viral protein was shown to account for 14% of the total cellular soluble proteins. This product was extracted from the bacterial lysate by lysozyme, Triton X-100 and urea treatment, and purified through ion exchange chromatography. The purified c33-c protein combined with a branch peptide MAP-C-19 representing immunodominant epitopes on the nucleocapsid region of HCV genome was used to develop a Chinese HCV EIA 2nd-generation diagnostic kit for the detection of anti-HCV antibodies. Its specificity, sensitivity and reproducibility were all in keeping with the indexes of the national standard for the quality control of the HCV diagnostic kit. The agreement rate between our kit and Abbott company's HCV EIA second-generation diagnostic kit was 99.33%, and the identified rate of positive anti-HCV of our kit was 2% more than that of the Abbott company's kit.
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Affiliation(s)
- Y P Yang
- Institute of Virology, Chinese Academy of Preventive Medicine, Beijing, PRC
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26
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Cao JY. [Care of patients with asphyxia due to hemoptysis and after resuscitation]. Zhonghua Hu Li Za Zhi 1987; 22:529-30. [PMID: 3450430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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27
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Cao JY. [Follow-up study on extra-intracranial arterial bypass surgery for cerebral ischemia]. Zhonghua Wai Ke Za Zhi 1984; 22:72-3. [PMID: 6468138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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28
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Cao JY, Lu WF. [Extracranial-intracranial arterial bypass in the treatment of cerebral ischemia (with clinical analysis of 100 cases)]. Zhonghua Yi Xue Za Zhi 1982; 62:351-3. [PMID: 6812924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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