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Wu CHW, Huang YR, Bodner D, Schumacher FR, Baum M, Hildebrandt F. The evolving landscape of monogenic nephrolithiasis and therapeutic innovations. Nat Rev Urol 2024:10.1038/s41585-024-00880-0. [PMID: 38632353 DOI: 10.1038/s41585-024-00880-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Affiliation(s)
- Chen-Han Wilfred Wu
- Department of Genetics and Genome Sciences, Case Western Reserve University and University Hospitals, Cleveland, OH, USA.
- Department of Urology, Case Western Reserve University and University Hospitals, Cleveland, OH, USA.
| | - Yu-Ren Huang
- Department of Genetics and Genome Sciences, Case Western Reserve University and University Hospitals, Cleveland, OH, USA
- Department of Urology, Case Western Reserve University and University Hospitals, Cleveland, OH, USA
| | - Donald Bodner
- Department of Urology, Case Western Reserve University and University Hospitals, Cleveland, OH, USA
| | - Fredrick R Schumacher
- Department of Population and Quantitative Health Sciences, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Michelle Baum
- Division of Nephrology, Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Friedhelm Hildebrandt
- Division of Nephrology, Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
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Yan XQ, Ye MJ, Zou Q, Chen P, He ZS, Wu B, He DL, He CH, Xue XY, Ji ZG, Chen H, Zhang S, Liu YP, Zhang XD, Fu C, Xu DF, Qiu MX, Lv JJ, Huang J, Ren XB, Cheng Y, Qin WJ, Zhang X, Zhou FJ, Ma LL, Guo JM, Ding DG, Wei SZ, He Y, Guo HQ, Shi BK, Liu L, Liu F, Hu ZQ, Jin XM, Yang L, Zhu SX, Liu JH, Huang YH, Xu T, Liu B, Sun T, Wang ZJ, Jiang HW, Yu DX, Zhou AP, Jiang J, Luan GD, Jin CL, Xu J, Hu JX, Huang YR, Guo J, Zhai W, Sheng XN. Toripalimab plus axitinib versus sunitinib as first-line treatment for advanced renal cell carcinoma: RENOTORCH, a randomized, open-label, phase III study. Ann Oncol 2024; 35:190-199. [PMID: 37872020 DOI: 10.1016/j.annonc.2023.09.3108] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND Immune checkpoint inhibitors in combination with tyrosine kinase inhibitors are standard treatments for advanced clear cell renal cell carcinoma (RCC). This phase III RENOTORCH study compared the efficacy and safety of toripalimab plus axitinib versus sunitinib for the first-line treatment of patients with intermediate-/poor-risk advanced RCC. PATIENTS AND METHODS Patients with intermediate-/poor-risk unresectable or metastatic RCC were randomized in a ratio of 1 : 1 to receive toripalimab (240 mg intravenously once every 3 weeks) plus axitinib (5 mg orally twice daily) or sunitinib [50 mg orally once daily for 4 weeks (6-week cycle) or 2 weeks (3-week cycle)]. The primary endpoint was progression-free survival (PFS) assessed by an independent review committee (IRC). The secondary endpoints were investigator-assessed PFS, overall response rate (ORR), overall survival (OS), and safety. RESULTS A total of 421 patients were randomized to receive toripalimab plus axitinib (n = 210) or sunitinib (n = 211). With a median follow-up of 14.6 months, toripalimab plus axitinib significantly reduced the risk of disease progression or death by 35% compared with sunitinib as assessed by an IRC [hazard ratio (HR) 0.65, 95% confidence interval (CI) 0.49-0.86; P = 0.0028]. The median PFS was 18.0 months in the toripalimab-axitinib group, whereas it was 9.8 months in the sunitinib group. The IRC-assessed ORR was significantly higher in the toripalimab-axitinib group compared with the sunitinib group (56.7% versus 30.8%; P < 0.0001). An OS trend favoring toripalimab plus axitinib was also observed (HR 0.61, 95% CI 0.40-0.92). Treatment-related grade ≥3 adverse events occurred in 61.5% of patients in the toripalimab-axitinib group and 58.6% of patients in the sunitinib group. CONCLUSION In patients with previously untreated intermediate-/poor-risk advanced RCC, toripalimab plus axitinib provided significantly longer PFS and higher ORR than sunitinib and had a manageable safety profile TRIAL REGISTRATION: ClinicalTrials.gov NCT04394975.
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Affiliation(s)
- X Q Yan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology, Peking University Cancer Hospital & Institute, Beijing
| | - M J Ye
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha
| | - Q Zou
- Department of Urology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & Affiliated Cancer Hospital of Nanjing Medical University, Nanjing
| | - P Chen
- Department of Urology, Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi
| | - Z S He
- Department of Urology, First Hospital of Peking University, Beijing
| | - B Wu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang
| | - D L He
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an
| | - C H He
- Department of Urology, Cancer Hospital of Henan Province, Zhengzhou
| | - X Y Xue
- Department of Urology, The First Affiliated Hospital, Fujian Medical University, Fuzhou
| | - Z G Ji
- Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - H Chen
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin
| | - S Zhang
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu
| | - Y P Liu
- Department of Oncology, The First Hospital of China Medical University, Shenyang
| | - X D Zhang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing
| | - C Fu
- Department of Urology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang
| | - D F Xu
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai
| | - M X Qiu
- Department of Urology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu
| | - J J Lv
- Department of Urology, Provincial Hospital Affiliated to Shandong First Medical University, Jinan
| | - J Huang
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou
| | - X B Ren
- Department of Immunology and Biotherapy, Cancer Institute & Hospital, Tianjin Medical University, Tianjin
| | - Y Cheng
- Department of Medical Thoracic Oncology, Jilin Provincial Cancer Hospital, Changchun
| | - W J Qin
- Department of Urology, Xijing Hospital of Air Force Military Medical University, Xi'an
| | - X Zhang
- Department of Urology, The Third Medical Center, Chinese PLA General Hospital, Beijing
| | - F J Zhou
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou
| | - L L Ma
- Department of Urology, Peking University Third Hospital, Beijing
| | - J M Guo
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai
| | - D G Ding
- Department of Urology, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou
| | - S Z Wei
- Department of Urology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan
| | - Y He
- Department of Urology, The Affiliated Hospital of Jiaxing University, Jiaxing
| | - H Q Guo
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing
| | - B K Shi
- Department of Urology, Qilu Hospital of Shandong University, Jinan
| | - L Liu
- Department of Urology, Qilu Hospital of Shandong University, Jinan
| | - F Liu
- Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou
| | - Z Q Hu
- Department of Urology, Tongji Hospital affiliated to Tongji Medical College of Huazhong University of Science & Technology, Wuhan
| | - X M Jin
- Department of Oncology, General Hospital of Ningxia Medical University, Yinchuan
| | - L Yang
- Department of Urology, The Second Hospital of Lanzhou University, Lanzhou
| | - S X Zhu
- Department of Urology, Fujian Medical University Union Hospital, Fuzhou
| | - J H Liu
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming
| | - Y H Huang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou
| | - T Xu
- Department of Urology, Peking University People's Hospital, Beijing
| | - B Liu
- Department of Urology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou
| | - T Sun
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang
| | - Z J Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing
| | - H W Jiang
- Department of Urology, Huashan Hospital, Fudan University, Shanghai
| | - D X Yu
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei
| | - A P Zhou
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - J Jiang
- Department of Urology, The PLA General Hospital Army Characteristic Medical Center, Chongqing
| | - G D Luan
- Shanghai Junshi Biosciences Co., Ltd., Shanghai
| | - C L Jin
- Shanghai Junshi Biosciences Co., Ltd., Shanghai
| | - J Xu
- Shanghai Junshi Biosciences Co., Ltd., Shanghai
| | - J X Hu
- Shanghai Junshi Biosciences Co., Ltd., Shanghai
| | - Y R Huang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - J Guo
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology, Peking University Cancer Hospital & Institute, Beijing
| | - W Zhai
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - X N Sheng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Genitourinary Oncology, Peking University Cancer Hospital & Institute, Beijing.
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Huang YR, Pu NW, Wu GM, Liu YM, Lin MH, Kwong YL, Li SC, Chang JK, Ger MD. Study on the Application of Nitrogen-Doped Holey Graphene in Supercapacitors with Organic Electrolyte. Nanomaterials (Basel) 2023; 13:nano13101640. [PMID: 37242056 DOI: 10.3390/nano13101640] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/05/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023]
Abstract
We present a facile low-cost method to produce nitrogen-doped holey graphene (N-HGE) and its application to supercapacitors. A composite of N-HGE and activated carbon (AC) was used as the electrode active material in organic-electrolyte supercapacitors, and the performances were evaluated. Melamine was mixed into graphite oxide (GO) as the N source, and an ultra-rapid heating method was used to create numerous holes during the reduction process of GO. X-ray photoelectron spectra confirmed the successful doping with 2.9-4.5 at.% of nitrogen on all samples. Scanning electron micrographs and Raman spectra revealed that a higher heating rate resulted in more holes and defects on the reduced graphene sheets. An extra annealing step at 1000 °C for 1 h was carried out to further eliminate residual oxygen functional groups, which are undesirable in the organic electrolyte system. Compared to the low-heating-rate counterpart (N-GE-15), N-HGE boosted the specific capacity of the supercapacitor by 42 and 22% at current densities of 0.5 and 20 A/g, respectively. The effects of annealing time (0.5, 1, and 2 h) at 1000 °C were also studied. Longer annealing time resulted in higher capacitance values at all current densities due to the minimized oxygen content. Volumetric specific capacitances of 49 and 24 F/cm3 were achieved at current densities of 0.5 and 20 A/g, respectively. For the high-power-density operation at 31,000 W/kg (or 10,000 W/L), an energy density as high as 11 Wh/kg (or 3.5 Wh/L) was achieved. The results indicated that N-HGE not only improved the conductivity of the composite supercapacitors but also accelerated ion transport by way of shortened diffusion paths through the numerous holes all over the graphene sheets.
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Affiliation(s)
- Yu-Ren Huang
- Department of Applied Science, R.O.C. Naval Academy, Zuoying, Kaohsiung 813, Taiwan
| | - Nen-Wen Pu
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan
| | - Guan-Min Wu
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan
| | - Yih-Ming Liu
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan
| | - Ming-Hsien Lin
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan
| | - Yi-Le Kwong
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan
| | - Siou-Cheng Li
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan
| | - Jeng-Kuei Chang
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Ming-Der Ger
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan
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Youh MJ, Huang YR, Peng CH, Lin MH, Chen TY, Chen CY, Liu YM, Pu NW, Liu BY, Chou CH, Hou KH, Ger MD. Using Graphene-Based Composite Materials to Boost Anti-Corrosion and Infrared-Stealth Performance of Epoxy Coatings. Nanomaterials (Basel) 2021; 11:nano11061603. [PMID: 34207195 PMCID: PMC8234136 DOI: 10.3390/nano11061603] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 06/10/2021] [Accepted: 06/15/2021] [Indexed: 01/10/2023]
Abstract
Corrosion prevention and infrared (IR) stealth are conflicting goals. While graphene nanosheets (GN) provide an excellent physical barrier against corrosive agent diffusion, thus lowering the permeability of anti-corrosion coatings, they have the side-effect of decreasing IR stealth. In this work, the anti-corrosion properties of 100-μm-thick composite epoxy coatings with various concentrations (0.01–1 wt.%) of GN fillers thermally reduced at different temperatures (300 °C, 700 °C, 1100 °C) are first compared. The performance was characterized by potentiodynamic polarization scanning, electrochemical impedance spectroscopy, water contact angle and salt spray tests. The corrosion resistance for coatings was found to be optimum at a very low filler concentration (0.05 wt.%). The corrosion current density was 4.57 × 10−11 A/cm2 for GN reduced at 1100 °C, showing no degradation after 500 h of salt-spray testing: a significant improvement over the anti-corrosion behavior of epoxy coatings. Further, to suppress the high IR thermal signature of GN and epoxy, Al was added to the optimized composite at different concentrations. The increased IR emissivity due to GN was not only eliminated but was in fact reduced relative to the pure epoxy. These optimized coatings of Al-GN-epoxy not only exhibited greatly reduced IR emissivity but also showed no sign of corrosion after 500 h of salt spray test.
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Affiliation(s)
- Meng-Jey Youh
- Department of Mechanical Engineering, Ming Chi University of Technology, Taishan, New Taipei City 243, Taiwan;
| | - Yu-Ren Huang
- Department of Applied Science, R.O.C. Naval Academy, Zuoying, Kaohsiung 813, Taiwan;
| | - Cheng-Hsiung Peng
- Department of Chemical and Materials Engineering, Minghsin University of Science and Technology, Xinfeng, Hsinchu 304, Taiwan;
| | - Ming-Hsien Lin
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan; (M.-H.L.); (T.-Y.C.); (Y.-M.L.)
| | - Ting-Yu Chen
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan; (M.-H.L.); (T.-Y.C.); (Y.-M.L.)
| | - Chun-Yu Chen
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan; (C.-Y.C.); (B.-Y.L.); (C.-H.C.); (K.-H.H.)
- Chemical System Research Division, National Chung Shan Institute of Science and Technology, Longtan, Taoyuan 325, Taiwan
| | - Yih-Ming Liu
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan; (M.-H.L.); (T.-Y.C.); (Y.-M.L.)
| | - Nen-Wen Pu
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan; (C.-Y.C.); (B.-Y.L.); (C.-H.C.); (K.-H.H.)
- Correspondence: (N.-W.P.); (M.-D.G.); Fax: +886-3-3808906 (M.-D.G.)
| | - Bo-Yi Liu
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan; (C.-Y.C.); (B.-Y.L.); (C.-H.C.); (K.-H.H.)
| | - Chen-Han Chou
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan; (C.-Y.C.); (B.-Y.L.); (C.-H.C.); (K.-H.H.)
| | - Kai-Hsiang Hou
- Department of Electrical Engineering, Yuan Ze University, Zhongli, Taoyuan 320, Taiwan; (C.-Y.C.); (B.-Y.L.); (C.-H.C.); (K.-H.H.)
| | - Ming-Der Ger
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Dasi, Taoyuan 335, Taiwan; (M.-H.L.); (T.-Y.C.); (Y.-M.L.)
- Correspondence: (N.-W.P.); (M.-D.G.); Fax: +886-3-3808906 (M.-D.G.)
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Cheng RH, Cai H, Huang YR, Cui X, Chen Z, Chen HY, Ding S. A broad-range variable-temperature solid state NMR spectral and relaxation investigation of the water state in Nafion 117. Phys Chem Chem Phys 2021; 23:10899-10908. [PMID: 33908418 DOI: 10.1039/c9cp05978d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Understanding the water state in Nafion is not only crucial for operating a proton-exchange membrane (PEM)-based fuel cell, but also intimately related to the elucidation of the proton transport mechanism in a PEM. Although many studies have been published on this subject, some controversies and ambiguities remain unresolved. In this work, we design three different types of Nafion samples by substituting protons with lithium or sodium cations. We also pay special attention to the preparation of samples for carrying out broad-range variable temperature solid state NMR experiments so that no membrane dehydration occurs during the long experimental time at low temperatures. With these precautions and improvements, clear and largely straightforward information could be obtained to ensure minimal ambiguity and complexity in the interpretation of the experimental data. Our results show that about 40-60% of water remains unfrozen at -70 °C, depending on the type of the substituting cation. Both the 1H and 2H spectral and relaxation results indicate that water freezing starts from the center of the nanopores inside Nafion and increases gradually as the temperature decreases. The protons remain dissociated with sulfonate groups even at the lowest temperature we reached (-70 °C), whereas both lithium and sodium are associated with sulfonate groups at most temperatures below 0 °C. The experimental data also suggest that besides frozen and unfrozen water, there is broad distribution of water state and dynamics in Nafion as the temperature is lowered from above zero down to -70 °C. The effect of the size of the substituting cation significantly affects the properties of supercooled water by modifying the cation-water interaction and impeding the rotation of sulfonate groups. These novel results not only help us in establishing a better understanding of the water state in Nafion and its performance as a proton exchange mebrane, but also provide insights into water freezing, antifreeze and supercooling in other nanoscopic environments.
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Affiliation(s)
- Ren-Hao Cheng
- Department of Chemistry and Center for Nanoscience and Nanotechnology, National Sun Yat-sen University, 70 Lien-Hai Road, Kaohsiung, 80424, Taiwan.
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Huang YR, Chien CTC, Chen CL. A Molecular Dynamics Simulation Based Investigation of the Proton Conductivity of Anhydrous Pyrazole Doped Poly(Vinylphosphonic Acid) Composite System. Polymers (Basel) 2020; 12:polym12122906. [PMID: 33291537 PMCID: PMC7761793 DOI: 10.3390/polym12122906] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 11/30/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022] Open
Abstract
With the recognition of the multiple advantages of proton transport membranes that can operate under anhydrous conditions and offer promising opportunities as fuel cells working at high temperatures, a number of such membranes have been developed, but the proton transport mechanism of these materials has not been fully understood. In this work, a theoretical investigation based on molecular dynamics simulations is carried out on a system that is very similar to a real anhydrous proton transport membrane. The location and type of hydrogen bonds have been precisely identified by intermolecular pair correlation functions. Furthermore, analysis of the proton coordination numbers shows that more protons are located in the neighborhood of the oxygen atoms of poly(vinyl phosphonate anion) than in the neighborhood of the nitrogen atoms of pyrazole. The proton conductivity, 1.06 × 10-3 Scm-1, is obtained by the self-diffusion coefficient of the protons at 423 K, which is reasonably close to the experimentally measured value, 2 × 10-4 Scm-1. In addition, the analysis of the proton trajectories provides us with the proton transfer mechanism in an anhydrous membrane: (a) proton hopping between the oxygen atoms of poly(vinyl phosphonate anion) and (b) proton hopping between two pyrazole molecules. Therefore, the network of the hydrogen bond is the pathway to transport protons via the processes of hydrogen bond forming and breaking.
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Affiliation(s)
- Yu-Ren Huang
- Department of Applied Science, Naval Academy, Kaohsiung 813, Taiwan
- Correspondence: ; Tel.: +886-7-583-4700 (ext. 1215)
| | - Chung-Te Chang Chien
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan; (C.-T.C.C.); (C.-L.C.)
| | - Cheng-Lung Chen
- Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan; (C.-T.C.C.); (C.-L.C.)
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Huang YR, Chen CL, Tseng YH, Chang Chien CT, Liu CW, Tai CC, Liu MH. Graphene Wrinkles affect electronic transport in nanocomposites: Insight from molecular dynamics simulations. J Mol Graph Model 2019; 92:236-242. [DOI: 10.1016/j.jmgm.2019.07.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/27/2019] [Accepted: 07/29/2019] [Indexed: 10/26/2022]
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Huang JW, Cai W, Kong W, Zhang J, Chen YH, Huang YR. [Surgical management for local retroperitoneal recurrence of 33 renal cell carcinoma patients underwent radical nephrectomy]. Zhonghua Zhong Liu Za Zhi 2019; 41:703-707. [PMID: 31550862 DOI: 10.3760/cma.j.issn.0253-3766.2019.09.011] [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 investigate the therapeutic effects of surgical management for local retroperitoneal recurrence of renal cell carcinoma after radical nephrectomy. Methods: Clinical and follow-up data of 33 cases of local recurrence after radical nephrectomy in Renji Hospital from January 2010 to April 2018 were retrospectively analyzed. Results: In these 33 patients, 25 was male and 8 was female; The median age was 54 years old. The pathological stage of radical nephrectomy included 14 cases of pT1-2N0M0 stage, 16 cases of pT3-4 N0M0 stage, and 3 cases of pN1 stage. Only 4 relapsing patients had symptoms, the others were all found to have recurrence by imaging examination during follow up period of postoperation.The median recurrence time for all patients was 30 months, and the median diameter of recurrent tumors was 4.5 cm.Twenty-nine patients underwent complete resection of local recurrent lesions, and 4 patients whose recurrent lesions could not be completely resected converted receive palliative surgery. The median intraoperative blood loss was 500 ml and the median hospital stay after surgery was 4 days. Clavien grade Ⅰ-Ⅱ complications occurred in 5 patients after surgery, and no serious complications of Clavien grade Ⅲ-Ⅴ complications occurred. Six patients received postoperative adjuvant target therapy and distant metastasis occurred in one patient.In the 27 patients without adjuvant target therapy, postoperative distant metastases occurred in 12 patients. The median survival time for all patients after local recurrence surgery was 31 months. The 1-year and 3-year survival rates were 86.8% and 36.9%, respectively. Conclusions: The rigorous imaging examination after radical nephrectomy can detect local recurrent lesions as early as possible in most relapsing patients and imaging examination can predict the integrity of surgical resection of local recurrence.Although intraoperative bleeding of resection of local recurrence is relatively high, the operation is safe and the postoperative complications are controllable. Postoperative adjuvant therapy may also provide better survival benefit for patients with local recurrence.
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Affiliation(s)
- J W Huang
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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Liu CW, Liu MH, Tai CC, Huang YR, Chen CL. Computer simulation to investigate absorption of energies of arrayed disk-like nanoiron particles under magnetic fields. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201800333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chuan-Wen Liu
- Department of Chemical and Materials Engineering, Chung-Cheng Institute of Technology; National Defense University; Taoyuan Taiwan, ROC
| | - Min-hsien Liu
- Department of Chemical and Materials Engineering, Chung-Cheng Institute of Technology; National Defense University; Taoyuan Taiwan, ROC
| | - Chung-Chieh Tai
- Department of Marine Mechanical Engineering; Naval Academy; Kaohsiung City Taiwan, ROC
| | - Yu-Ren Huang
- Department of Applied Science; Naval Academy; Kaohsiung City Taiwan, ROC
| | - Cheng-Lung Chen
- Department of Chemistry; National Sun Yat-sen University; Kaohsiung City Taiwan, ROC
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Lou HF, Huang YR, Wang CS, Wang XD, Zhao Y, Cao FF, Zhang L. [Long-term efficacy of house dust mite subcutaneous immunotherapy in allergic rhinitis patients]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:1627-1631. [PMID: 30400685 DOI: 10.13201/j.issn.1001-1781.2018.21.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Indexed: 11/12/2022]
Abstract
Objective:This study was aimed to compare the long-term effects of house dust mite (HDM) subcutaneous immunotherapy (SCIT) in a cohort of Chinese pediatric and adult patients with allergic rhinitis (AR).Method:Total of 48 AR patients received standardized HDM-SCIT for 3 years, and they received 3 years of standardized dust mite-specific subcutaneous immunotherapy, followed by 2 years after treatment. Prior to treatment (baseline) and at the end of the 3-year and 5-year treatment periods, all patients were evaluated for total nasal symptom scores(TNSS),total combined score (TCS;symptoms(nasal+ocular)+daily medication score),and rhinoconjunctivitis quality of life questionnaire(RQLQ).Safety of HDM-SCIT was assessed according to adverse events reported.Result:Fifteen pediatric and 33 adult AR patients completed the study.HDM-SCIT significantly improved symptoms and RQLQ scores at the 3 rd year and 5th year in both children and adults. Superior efficacy was observed at the 3-year and 5-year timepoints in children compared to adults. The safety of HDM-SCIT was comparable in children and adults with AR.Conclusion:A 3-year course of HDM-SCIT is an effective, safe and sustainable long-term treatment in both pediatric patients and adults with AR, although children appear to achieve better long-term efficacy compared to the adults.
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Affiliation(s)
- H F Lou
- Department of Otolaryngology Head and Neck Surgery,Beijing Tongren Hospital,Capital Medical University,Beijing,100730,China
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11
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Huang YR, Lou HF, Zhang L. [The influence of cold dry air on nasal mucosa]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:71-76. [PMID: 29798215 DOI: 10.13201/j.issn.1001-1781.2018.01.015] [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] [Received: 08/30/2017] [Indexed: 11/12/2022]
Abstract
Nonspecific nasal hyperreactivity (NHR) has been widespread observed in patients with allergic rhinitis (AR) and nonallergic rhinitis (NAR). As a clinical hallmark, NHR is more common in patients with NAR. The cold dry air (CDA) can stimulate nasal symptoms such as rhinorrhea and nasal obstruction, and the CDA provocation test can be used as a reliable objective method to evaluate NHR. The mechanism of CDA-induced nasal symptoms is very complicated and thus it has not yet been fully illuminated. The innervation of the nasal nerves includes sensory nerve (trigeminal ganglion), sympathetic nerve (superior cervical ganglion) and parasympathetic nerve (sphenopalatine ganglion). CDA innervation may also be associated with these nerves and associated signal pathway. Recently, general attention has been focused on the transient receptor potential (TRP) channel, including TRP vanilloid-1 (TRPV1) and TRP ankyrin-1 (TRPA1). More relevant researches are needed to further clarify the mechanism.
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Affiliation(s)
- Y R Huang
- Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China.,Beijing Institute of Otolaryngology, Beijing Key Laboratory of Rhinopathy
| | - H F Lou
- Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China.,Beijing Institute of Otolaryngology, Beijing Key Laboratory of Rhinopathy
| | - L Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China.,Beijing Institute of Otolaryngology, Beijing Key Laboratory of Rhinopathy.,Department of Allergy, Beijing Tongren Hospital, Capital Medical University
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12
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Liu CW, Kuo BC, Liu MH, Huang YR, Chen CL. Computer simulation for the study of the liquid chromatographic separation of explosive molecules. J Mol Graph Model 2018; 85:331-339. [PMID: 30292170 DOI: 10.1016/j.jmgm.2018.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 08/17/2018] [Accepted: 09/18/2018] [Indexed: 10/28/2022]
Abstract
The application of high performance liquid chromatography (HPLC) to separate explosive chemicals was investigated by molecular dynamics (MD) simulations. The explosive ingredients including NG, RDX, HMX and TNT were assigned as solutes, while methanol (CH3OH) and acetonitrile (CH3CN) were assigned as solvents in the solution system. The polymeric-molecular siloxanes (SiC8) and poly-1,2-methylenedioxy-4-propenyl benzene (PISAF) compounds were treated as stationary phase in the simulation. The simulation results showed that the different species of explosive ingredients were separated successfully in the solutions by each of the constructed stationary phase of SiC8 and PISAF after a total simulation time of 12.0 ps approximately, which were consistent with the experimental analysis of HPLC spectra. The origin for the separation was found due to the electrostatic interactions between polymer and explosives.
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Affiliation(s)
- Chuan-Wen Liu
- Department of Chemical and Materials Engineering, Chung-Cheng Institute of Technology, National Defense University, Taoyuan, 335, Taiwan, ROC
| | - Bing-Cheng Kuo
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 804, Taiwan, ROC
| | - Min-Hsien Liu
- Department of Chemical and Materials Engineering, Chung-Cheng Institute of Technology, National Defense University, Taoyuan, 335, Taiwan, ROC
| | - Yu-Ren Huang
- Department of Applied Science, Naval Academy, Zuoying District, Kaohsiung City, 813, Taiwan, ROC
| | - Cheng-Lung Chen
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 804, Taiwan, ROC.
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Yang GL, Zhang LH, Liu Q, Wang ZL, Duan XH, Huang YR, Bo JJ. Commentary on "A novel treatment strategy for newly diagnosed high-grade T1 bladder cancer: Gemcitabine and cisplatin adjuvant chemotherapy-A single-institution experience.". Urol Oncol 2018; 36:346-347. [PMID: 29859729 DOI: 10.1016/j.urolonc.2018.05.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Management of high-grade T1 (formerly T1G3) bladder cancer continues to be controversial. Should patients with T1G3 bladder cancer have an immediate radical cystectomy or should they receive intravesical bacillus Calmette-Guérin preserving bladder? Gemcitabine and cisplatin (GC) adjuvant chemotherapy may help to strike a balance between intravesical and early cystectomy. For purposes of this study, we continue to refer high-grade T1 lesion as "T1G3." OBJECTIVE To evaluate the characteristics and the long-term outcome of GC adjuvant chemotherapy in T1G3 bladder cancer after transurethral resection of bladder tumor (TURBT). MATERIALS AND METHODS We, retrospectively, reviewed 48 patients who were newly diagnosed with T1G3 bladder cancer between January 2009 and December 2012. A total of 48 patients received 4 cycles of GC adjuvant chemotherapy after TURBT. One month after 4 cycles of GC adjuvant chemotherapy, response was evaluated by re-TURBT. Median follow-up was 59.5 (range: 18-70) months, all patients have been observed for more than 3 years. Salvage cystectomy was recommended for patients with persistent disease and for tumor progression after initial complete response. RESULT Complete response was achieved in 44 (91.7%) patients. Of complete responders, 5 patients experienced recurrence and 5 patients showed progression. The progression rate and disease-specific survival rate were 10.4% and 91.7% at 3 years, respectively. More than 80% of survivors preserved their bladder. Kaplan-Meier curves showed that concomitant carcinoma in situ (CIS) was the only factor that had an influence on progression-free survival (P = 0.022) and disease-specific survival (P = 0.017). Concomitant CIS was the prognostic factor for progression rate and disease-specific survival rate at 3 years (P = 0.008 and P = 0.035). CONCLUSION GC adjuvant chemotherapy is a safe conservative treatment for T1G3 bladder cancer, but effective is really a phase II study. Patients with T1G3 bladder cancer with concomitant CIS should be treated more aggressively because of the high risk of progression.
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Cai W, Yuan YC, Li MY, Kong W, Dong BJ, Chen YH, Zhang J, Xue W, Huang YR, Zhou LX, Huang JW. [Comparison of efficacy between sorafenib and sunitinib as first-line therapy for metastatic renal cell carcinoma and analyze prognostic factors for survival]. Zhonghua Zhong Liu Za Zhi 2018; 40:384-389. [PMID: 29860767 DOI: 10.3760/cma.j.issn.0253-3766.2018.05.012] [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 efficacy and drug related adverse reactions of sorafenib and sunitinib as first-line tyrosine-kinase inhibitors (TKIs) for patients with metastatic renal cell carcinoma (mRCC) and analyze the clinical prognostic factor for survival. Methods: The data of 271 patients with metastatic renal cell carcinoma who had complete clinicopathological data were retrospectively analyzed, including 174 cases in sorafenib group and 97 cases in sunitinib group, to access patients' overall survival (OS) and progression-free survival (PFS). Prognostic values of all characteristics were determined by using univariate and multivariate Cox regression models. Results: The objective response rates (ORR) of the sorafenib and sunitinib groups were 14.9% and 19.6%, respectively, and the disease control rates (DCR) were 85.1% and 88.6%, respectively. No significant difference was found between the sorafenib and sunitinib group in ORR (P=0.325) or DCR (P=0.408). The most common grade 3 to 4 adverse events in the sorafenib group were hand-foot syndrome (6.7%), diarrhea (2.3%), and rash (2.3%). The most common grade 3 to 4 adverse events in the sunitinib group were neutropenia (6.2%), hand-foot syndrome (6.2%), and thrombocytopenia (4.6%). During the follow-up, 97 cases death occurred and 81 cases disease progression occurred in sorafenib group. The median PFS was 12 months (95% CI: 9-15 months), and the median OS was 25 months (95% CI: 21-29 months) in sorafenib group. While 74 cases death occurred and 40 cases disease progression occurred in sunitinib group, the median PFS was 12 months (95% CI: 10-12 months) and the median OS was 23 months (95% CI: 20-32 months) in sunitinib group. No significant difference was found between the sorafenib and the sunitinib group in PFS (P=0.771) or OS (P=0.548). Multivariate analysis showed Fuhrman grades (HR=1.358, 95%CI: 1.004-1.835), number of metastatic sites (HR=1.550, 95%CI: 1.143-2.101) and MSKCC risk grade (Intermediate risk group: HR=1.621, 95%CI: 1.117-2.232; Poor risk group: HR=2.890, 95%CI: 1.942-4.298) were independent prognostic factors for PFS. Fuhrman grades (HR=2.135, 95%CI: 1.533-2.974), number of metastatic sites (HR=1.774, 95%CI: 1.279-2.461) and MSKCC risk grade (Intermediate risk group: HR=1.415, 95%CI: 1.002-1.998; Poor risk group: HR=3.161, 95%CI: 2.065-4.838) were independent prognostic factors for OS. Conclusions: The results of this study indicate that sorafenib and sunitinib are both effective as the first-line TKIs for mRCC patients and sorafenib has comparable efficacy to sunitinib. But they have differences in the incidence of adverse effects. Fuhrman grades, number of metastatic sites and MSKCC risk grade are independent prognostic factors for mRCC patients.
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Affiliation(s)
- W Cai
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Y C Yuan
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - M Y Li
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - W Kong
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - B J Dong
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Y H Chen
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - J Zhang
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - W Xue
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Y R Huang
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - L X Zhou
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - J W Huang
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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Tseng YH, Chuang PH, Huang YR, Chen CL. Computational Investigation into the Interactions of Traditional Chinese Medicine Molecules of WenQingYin with GluR2. Int J Mol Sci 2017; 18:ijms18071443. [PMID: 28678159 PMCID: PMC5535934 DOI: 10.3390/ijms18071443] [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] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/21/2017] [Accepted: 07/01/2017] [Indexed: 01/27/2023] Open
Abstract
Docking and molecular dynamics simulations have been carried out to investigate the interaction of a traditional Chinese medicine, WenQingYin, with the glutamate receptor 2 (GluR2) subunit of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor. Four representative drug components of WenQingYin, namely 2-(3,4-dihydroxyphenyl)-5,6,7-trihydroxy-4H-chromen-4-one (PHF), 4-hydroxy-3-methoxybenzoic acid (HMB), 4-(2,3-dihydroxy-3-methylbutoxy)-7H-furo[3,2-g]chromen-7-one (DHMBP) and methyl 7-formylcyclopenta[c]pyran-4-carboxylate (cerbinal), and their complexes with GluR2 were simulated. Our results show that PHF, HMB, and DHMBP formed a partial hydrogen bond with GluR2 in its ligand-binding domain. However, cerbinal was not stable in the ligand-binding domain of GluR2 and induced a significant change in the structure of GluR2. Three-dimensional plots represent the contact and movement situation of the traditional Chinese medicine molecules in the ligand-binding domain. The combined results of the docking and molecular dynamics simulations provide insight into the interaction between these traditional Chinese medicine molecules and proteins.
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Affiliation(s)
- Yu-Hui Tseng
- Department of Chemistry, National Sun Yat-Sen University, 80424 Kaohsiung, Taiwan.
| | - Po-Hsiang Chuang
- Department of Chemistry, National Sun Yat-Sen University, 80424 Kaohsiung, Taiwan.
| | - Yu-Ren Huang
- Department of Chemistry, National Sun Yat-Sen University, 80424 Kaohsiung, Taiwan.
- Department of Applied Science, R.O.C. Naval Academy, 81345 Kaohsiung, Taiwan.
| | - Cheng-Lung Chen
- Department of Chemistry, National Sun Yat-Sen University, 80424 Kaohsiung, Taiwan.
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Zhu YJ, Wang YQ, Pan JH, Dong BJ, Xu F, Sha JJ, Xue W, Huang YR. [Value of perineural invasion in prostatectomy specimen in the assessment on tumor progression and prognosis]. Zhonghua Wai Ke Za Zhi 2016; 54:217-21. [PMID: 26932892 DOI: 10.3760/cma.j.issn.0529-5815.2016.03.013] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To assess perineural invasion in prostatectomy specimen(PNIp)on tumor progression and prognosis after radical prostatectomy. METHODS Retrospective analysis including 502 prostate cancer patients admitted in Renji Hospital, School of Medicine, Shanghai Jiaotong University from December 2002 to May 2014 was studied.Differences of serum prostate specific antigen(PSA), Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion, positive surgical margin, seminal invasion, pelvic lymph node metastasis, nadir PSA were analyzed in patients with PNIp and without PNIp. Logistic regression analysis, Log-rank test and Cox regression analysis was used to analyzed the data, respectively. RESULTS There were 91 patients with PNIp(18.1%) and 411 patients without PNIp(81.9%). Differences of serum PSA, Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion, seminal invasion, nadir PSA between the two groups were found(all P<0.05). In the multivariable logistic regression analysis, PNIp was independent predictor of Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, capsular invasion(OR=1.515, 1.955, 2.069, 1.859, all P<0.05). One hundred and twenty-one patients with biochemical serum recurrence(26.7%). Serum PSA, Gleason score of prostate biopsy, Gleason score of prostatectomy specimen, tumor stage, PNIp, seminal invasion were related to biochemical serum recurrence(P<0.05). In the multivariable cox regression analysis, serum PSA, Gleason score of prostate biopsy, PNIp, seminal invasion were independent predictors of biochemical serum recurrence(HR=1.021, 1.441, 1.663, 3.257, all P<0.05). CONCLUSION PNIp is the important predictor of the tumor progression and prognosis of prostate cancer.
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Affiliation(s)
- Y J Zhu
- Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
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Liu W, Choi BR, Bak YO, Zhang LT, Zhou LX, Huang YR, Zhao C, Park JK. Cavernosum smooth muscle relaxation induced by Schisandrol A via the NO-cGMP signaling pathway. Cell Mol Biol (Noisy-le-grand) 2016; 62:115-119. [PMID: 27064883] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Accepted: 03/28/2016] [Indexed: 06/05/2023]
Abstract
To evaluate the effect of Schisandrol A on rabbit corpus cavernosum smooth muscle and elucidate the potential mechanism. Penises were obtained from healthy male New Zealand White rabbits (2.5-3.0 kg). The pre-contracted penis with phenylephrine (Phe, 10 µM) was treated with accumulative concentrations of Schisandrol A (10-7, 10-6, 10-5 and 10-4 M). The change in intracavernosum pressure (ICP) and tension was recorded, cyclic nucleotides in the cavernosum tissue were measured by radioimmunoassay, mRNA level and expression of endothelial nitric oxide synthase (eNOS) and neuronal NOS (nNOS) were measured by real time PCR and western blot respectively. The corpus cavernosum smooth muscle relaxation induced by Schisandrol A was in a dose-dependent manner. Pre-treatment with NOS inhibitor (Nω nitro-L-arginine-methyl ester, L-NAME) or guanylyl cyclase inhibitor (1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one, ODQ) significantly diminished the relaxation. The cyclic guanosine monophosphate (cGMP) level was significantly increased in the cavernosum tissue. Real time PCR and western blot showed the mRNA level and expression of eNOS and nNOS was also upregulated. Schisandrol A relaxes the cavernosum smooth muscle by activating NO-cGMP signaling pathway. It may be a new promising treatment for erectile dysfunction and cardiovascular disease.
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Affiliation(s)
- W Liu
- Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University and Shanghai Institute of Andrology Departments of Urology Shanghai China
| | - B R Choi
- Chonbuk National University Hospital Departments of Urology Jeonju South Korea
| | - Y O Bak
- Chonbuk National University Hospital Departments of Urology Jeonju South Korea
| | - L T Zhang
- Chonbuk National University Hospital Departments of Urology Jeonju South Korea
| | - L X Zhou
- Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University and Shanghai Institute of Andrology Departments of Urology Shanghai China
| | - Y R Huang
- Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University and Shanghai Institute of Andrology Departments of Urology Shanghai China
| | - C Zhao
- Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University and Shanghai Institute of Andrology Departments of Urology Shanghai China
| | - J K Park
- Chonbuk National University Hospital Departments of Urology Jeonju South Korea
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Wang P, Lin SL, Zhang LH, Li Z, Liu Q, Gao JX, Liu DM, Bo JJ, Huang YR. The prognostic value of P-cadherin in non-muscle-invasive bladder cancer. Eur J Surg Oncol 2014; 40:255-9. [PMID: 24429027 DOI: 10.1016/j.ejso.2013.12.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 11/28/2013] [Accepted: 12/18/2013] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES This research aims to specify the prognostic value of P-cadherin on recurrence and progression in non-muscle-invasive bladder cancers (NMIBC). METHODS A total of 110 NMIBC cases were collected and P-cadherin protein was assessed by immunohistochemical test in these samples. Correlations between P-cadherin expression and clinicopathologic features were analyzed. For recurrence-free and progression-free survival, Kaplan-Meier log-rank test was used. Then Cox univariate and multivariate analyses were further performed. RESULTS P-cadherin high expression correlated with tumor progression (P = 0.031). Kaplan-Meier results showed that patients with high P-cadherin expression had worse progression-free survival (P = 0.034) but not recurrence-free survival (P = 0.133) than low-expression patients. Cox regression results showed P-cadherin expression was an independent predictor for progression (P = 0.042) but not recurrence (P = 0.139) in NMIBC. CONCLUSIONS Our results demonstrated that P-cadherin expression correlated with tumor progression and could be taken as an independent predictor for progression in NMIBC.
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Affiliation(s)
- P Wang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - S L Lin
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - L H Zhang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Z Li
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Q Liu
- Department of Pathology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - J X Gao
- Clinical Stem Cell Research Center, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - D M Liu
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - J J Bo
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China.
| | - Y R Huang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
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Wu XR, Sha JJ, Liu DM, Chen YH, Yang GL, Zhang J, Chen YY, Bo JJ, Huang YR. High expression of P53-induced Ring-h2 protein is associated with poor prognosis in clear cell renal cell carcinoma. Eur J Surg Oncol 2012; 39:100-6. [PMID: 23102595 DOI: 10.1016/j.ejso.2012.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 08/02/2012] [Accepted: 10/03/2012] [Indexed: 11/19/2022] Open
Abstract
PURPOSE This study was carried out to examine P53-induced Ring-h2 protein (Pirh2) expression and investigate its clinical and prognostic significance in patients with clear cell renal cell carcinoma (ccRCC). METHODS Pirh2 mRNA and protein expressions were detected by quantitative reverse-transcription polymerase chain reaction (Q-RT PCR) and Western blotting in 35 frozen renal cancer tissue specimens and 35 adjacent normal renal tissue specimens of the same patients. Pirh2 protein expression was assessed by immunohistochemical analysis in 92 paraffin-embedded specimens of human ccRCC and 30 specimens of adjacent normal renal tissue. Correlations between Pirh2 and clinicopathologic features and prognosis were analyzed statistically. RESULTS Pirh2 mRNA and protein levels in ccRCC samples were increased significantly as compared with the adjacent normal renal tissues (P < 0.001). Pirh2 mRNA overexpression correlated with high stage and grade of the renal cancer (P < 0.001 and P < 0.001 respectively). Pirh2 protein expression was negative in most normal renal tissue specimens (23/30) but positive in 52.2% (48/92) of ccRCC specimens (P = 0.006). Pirh2 protein expression correlated with tumor grade and stage (P < 0.001 and P < 0.001 respectively). The median follow-up interval was 42.0 months. Overexpression of Pirh2 protein in ccRCC was significantly associated with shorter overall survival and recurrence-free survival (P = 0.001 and P = 0.003, respectively). Multivariate analysis showed that Pirh2 expression was an independent prognostic factor for ccRCC patients (P = 0.037). CONCLUSIONS Pirh2 was up-regulated in ccRCC at both transcriptional and translational levels compared with normal renal tissues, suggesting that Pirh2 may be a potential prognostic marker for ccRCC.
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Affiliation(s)
- X R Wu
- Department of Urology, Renji Hospital, Shanghai Jiaotong University, Shanghai 200001, China
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Yang GL, Zhang LH, Bo JJ, Hou KL, Cai X, Chen YY, Li H, Liu DM, Huang YR. Overexpression of HMGA2 in bladder cancer and its association with clinicopathologic features and prognosis HMGA2 as a prognostic marker of bladder cancer. Eur J Surg Oncol 2011; 37:265-71. [PMID: 21273026 DOI: 10.1016/j.ejso.2011.01.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Revised: 12/14/2010] [Accepted: 01/04/2011] [Indexed: 10/18/2022]
Abstract
PURPOSE To examine HMGA2 expression and investigate its clinical and prognostic significance in human urothelial bladder cancer (BUC). METHODS We detected HMGA2 mRNA and protein expression by quantitative reverse-transcription polymerase chain reaction and western blotting, respectively in 44 frozen bladder cancer tissues and 18 adjacent normal bladder tissues. HMGA2 protein expression was assessed by immunohistochemical analysis of 148 paraffin-embedded specimens of human BUC and 30 specimens of adjacent normal bladder tissue. Correlations between HMGA2 and clinicopathologic features and prognosis were tested by statistical analyses. RESULTS HMGA2 mRNA and protein levels in bladder cancer samples were significantly increased compared with adjacent normal bladder tissues (P < 0.001). mRNA overexpression correlated with high stage and grade of the bladder cancer (P < 0.001 and P = 0.002 respectively). HMGA2 protein expression was negative in all normal urothelial tissue samples, but positive in 52% (77/148) of bladder cancers (P < 0.001). HMGA2 expression correlated with tumor grade and stage (P < 0.001 and P = 0.003 respectively), Overexpression of HMGA2 protein in non-muscle-invasive bladder cancer was significantly associated with shorter recurrence-free survival (P < 0.001), and progression-free survival (P = 0.0004). Multivariate analysis showed that HMGA2 expression was an independent prognostic factor for both tumor recurrence (P < 0.001) and tumor progression (P = 0.006). CONCLUSIONS HMGA2 is up-regulated in bladder cancer at both the transcriptional and translational levels compared with normal bladder tissue, HMGA2 protein is thus a potential prognostic marker for predicting tumor recurrence and progression.
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Affiliation(s)
- G L Yang
- Department of Urology, Ren Ji Hospital, Shanghai Jiao Tong University, China
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Huang YR, Knippenberg S, Hajgató B, François JP, Deng JK, Deleuze MS. Imaging Momentum Orbital Densities of Conformationally Versatile Molecules: A Benchmark Theoretical Study of the Molecular and Electronic Structures of Dimethoxymethane. J Phys Chem A 2007; 111:5879-97. [PMID: 17566995 DOI: 10.1021/jp0719964] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The main purpose of the present work is to predict from benchmark many-body quantum mechanical calculations the results of experimental studies of the valence electronic structure of dimethoxymethane employing electron momentum spectroscopy, and to establish once and for all the guidelines that should systematically be followed in order to reliably interpret the results of such experiments on conformationally versatile molecules. In a first step, accurate calculations of the energy differences between stationary points on the potential energy surface of this molecule are performed using Hartree-Fock (HF) theory and post-HF treatments of improving quality (MP2, MP3, CCSD, CCSD(T), along with basis sets of increasing size. This study focuses on the four conformers of this molecule, namely the trans-trans (TT), trans-gauche (TG), gauche-gauche (G+G+), and gauche-gauche (G+G-) structures, belonging to the C2v, C1, C2, and Cs symmetry point groups, respectively. A focal point analysis supplemented by suited extrapolations to the limit of asymptotically complete basis sets is carried out to determine how the conformational energy differences at 0 K approach the full CI limit. In a second step, statistical thermodynamics accounting for hindered rotations is used to calculate Gibbs free energy corrections to the above energy differences, and to evaluate the abundance of each conformer in the gas phase. It is found that, at room temperature, the G+G+ species accounts for 96% of the conformational mixture characterizing dimethoxymethane. In a third step, the valence one-electron and shake-up ionization spectrum of dimethoxymethane is analyzed according to calculations on the G+G+ conformer alone by means of one-particle Green's function [1p-GF] theory along with the benchmark third-order algebraic diagrammatic construction [ADC(3)] scheme. A complete breakdown of the orbital picture of ionization is noted at electron binding energies above 22 eV. A comparison with available (e,2e) ionization spectra enables us to identify specific fingerprints of through-space orbital interactions associated with the anomeric effect. At last, based on our 1p-GF/ADC(3) assignment of spectral bands, accurate and spherically averaged (e,2e) electron momentum distributions at an electron impact energy of 1200 eV are computed from the related Dyson orbitals. Very significant discrepancies are observed with momentum distributions obtained for several outer-valence levels using standard Kohn-Sham orbitals.
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Affiliation(s)
- Y R Huang
- Research group of Theoretical Chemistry, Department SBG, University of Hasselt, Agoralaan, Gebouw D, B3590 Diepenbeek, Belgium
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Wu CL, Lin LZ, Lu Z, Huang YR, Zhuang JG, Zhou ZN. [The effect of hypoxic preconditioning on myocardium energy metabolism]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 2001; 17:43-46. [PMID: 21171441] [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: 05/30/2023]
Abstract
AIM AND METHODS To evaluate the protective effects of hypoxic preconditioning (HPC) on myocardial energy metabolism, Langendorff-perfused hearts, exposed to HPC, were subjected to hypoxia/reoxygenation (5/10 min). 31P NMR was used to sequentially follow the time courses of high energy phosphates (HEP) contents and intracellular pH (pHi) of the rat myocardium. RESULTS The Contents of Phosphocreatine (PCr), Adenosine Triphosphate (ATP) and the PCr/Pi (inorganic phosphate) ratios decreased during 30 min hypoxia, but the reduction was slower for the HPC group compared with Control. Reoxygenation induced recovery of myocardial HEP in both groups, HPC enhanced t he recovery especially in initial stage o f reoxygenation. However, pHi change was not significant for HPC group in this experiment. CONCLUSION HPC improves the myocardial energy metabolism level during prolonged hypoxia and subsequent reoxygenation and protects myocardium against hypoxia/reoxygenation injury.
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Affiliation(s)
- C L Wu
- The Key laboratory of Eduration Ministry for Spectroscopy and Magnetic Resonance, Analytic Center, East China Normal University, Shanghai, 200062
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Stauffer SR, Huang YR, Aron ZD, Coletta CJ, Sun J, Katzenellenbogen BS, Katzenellenbogen JA. Triarylpyrazoles with basic side chains: development of pyrazole-based estrogen receptor antagonists. Bioorg Med Chem 2001; 9:151-61. [PMID: 11197335 DOI: 10.1016/s0968-0896(00)00226-1] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.2] [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: 11/29/2022]
Abstract
Recently, we developed a novel triaryl-substituted pyrazole ligand system that has high affinity for the estrogen receptor (ER) (Fink, B. E.: Mortenson, D. S.: Stauffer, S. R.; Aron, Z. D.: Katzenellenbogen, J. A. Chem. Biol. 1999, 6, 205). Subsequent work has shown that some analogues in this series are very selective for the ERalpha subtype in terms of binding affinity and agonist potency (Stauffer, S. R.: Coletta, C. J.: Tedesco. R.: Sun, J.: Katzenellenbogen, J. A. J. Med. Chem. 2000, submitted). We now investigate how this pyrazole ER agonist system might be converted into an antagonist or a selective estrogen receptor modifier (SERM) by incorporating a basic or polar side chain like those typically found in antiestrogens and known to be essential determinants of their mixed agonist/antagonist character. We selected an N-piperidinyl-ethyl chain as a first attempt, and introduced it at the four possible sites of substitution on the pyrazole core structure to determine the orientation that the pyrazole might adopt in the ER ligand binding pocket. Of these four, the C(5) piperidinyl-ethoxy-substituted pyrazole 5 had by far the highest affinity. Also, it bound to the ER subtype alpha (ERalpha) with 20-fold higher affinity than to ERbeta. In cell-based transcription assays, pyrazole 5 was an antagonist on both ERalpha and ERbeta, and it was also more potent on ERalpha. Based on structure-binding affinity relationships and on molecular modeling studies of these pyrazoles in a crystal structure of the ERalpha-raloxifene complex, we propose that pyrazoles having a basic substituent on the C(5) phenyl group adopt a binding mode that is different from that of the pyrazole agonists that lack this group. The most favorable orientation appears to be one which places the N(1) phenol in the A-ring binding pocket so that the basic side chain can adopt an orientation similar to that of the basic side chain of raloxifene.
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Affiliation(s)
- S R Stauffer
- Department of Chemistry, University of Illinois and University of Illinois College of Medicine, Urbana 61801, USA
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Lin LZ, Wu CL, Lu Z, Huang YR, Zhuang JG, Zhou ZN. [The studies on protective effects of SM against myocardial hypoxia/reoxygenation injury]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 2000; 16:324-6. [PMID: 11236689] [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: 02/19/2023]
Abstract
AIM AND METHODS To assess the myocardial effects of Salvia Miltiorrhiza (SM) injection against hypoxia-reoxygenation injury, 31P NMR was used to trace the time courses of high energy phosphates (HEP) content and intracellular pH (pHi) of the isolated perfused rat hearts under hypoxia (30 min) and subsequent reoxygenation (40 min). RESULTS It was discovered that SM significantly preven-ted the decrease in the myocardial HEP content during hypoxia, enhanced the recovery of myocardial phosphocreatine (PCr), adenosine triphosphate (ATP) and the PCr/Pi (inorganic phosphate) ratios during reoxygenation, and lightened the decrease of the myocardial pHi value caused by hypoxia. CONCLUSION SM improves the myocardial energy metabolism level during prolonged hypoxia and subsequent reoxygenation and protects myocardium against hypoxia/reoxygenation injury. SM significantly attenuates acidosis during hypoxia and prevents the appearance of very acidic areas of the myocardium after reoxygenation.
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Affiliation(s)
- L Z Lin
- NMR Laboratory, Analytic Center, East China Normal University, Shanghai 200062
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Abstract
[reaction: see structure] A regioselective synthesis of 4-alkyl-1,3,5-triarylpyrazoles has been developed for the preparation of unsymmetrically substituted systems of interest as ligands for the estrogen receptor.
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Affiliation(s)
- Y R Huang
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, USA
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Abstract
Laryngospasm occurring after tracheal extubation in children is potentially dangerous. This study uses acupuncture with bloodletting at the Shao Shang (L 11) or Shang Yang (Li 1) acupoints to investigate whether this technique can prevent or treat laryngospasm. Seventy-six patients were randomly divided into two groups. Patients in the acupuncture group (n = 38) were treated with bilateral Shao Shang acupunctures at the end of the operation. Patients in the control group (n = 38) were not. The incidence of laryngospasm in the acupuncture group (5.3%) was less than that in the control group (23.7%) (p < 0.05). If laryngospasm developed, patients were immediately treated with acupuncture at either the Shao Shang or Shang Yang acupoints. As judged by an increase in peripheral oxygen saturation, the laryngospasm was relieved within 1 min of acupuncture in all patients. It is concluded that acupuncture with bloodletting at the Shao Shang acupoint may prevent and treat laryngospasm occurring after tracheal extubation in children.
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Affiliation(s)
- C K Lee
- Department of Anaesthesiology, 806 General Hospital, Kaohsiung, Taiwan, R.O.C
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Li YX, Coucke PA, Li JY, Gu DZ, Liu XF, Zhou LQ, Mirimanoff RO, Yu ZH, Huang YR. Primary non-Hodgkin's lymphoma of the nasal cavity: prognostic significance of paranasal extension and the role of radiotherapy and chemotherapy. Cancer 1998; 83:449-56. [PMID: 9690537 DOI: 10.1002/(sici)1097-0142(19980801)83:3<449::aid-cncr13>3.0.co;2-w] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND This study was conducted to determine whether the paranasal extension of a primary non-Hodgkin's lymphoma (NHL) of the nasal cavity has any deleterious effect on patient outcome. METHODS One hundred and seventy-five patients with previously untreated nasal NHL were reviewed. There were 2 with low grade, 107 with intermediate grade, 17 with high grade, and 49 with unclassifiable lymphomas. In 48 cases the immunophenotype was available and 46 were T-cell lymphoma. According to the Ann Arbor system, there were 133 patients with Stage IE, 28 with Stage IIE, 4 with Stage IIIE, and 10 with Stage IVE lymphomas. Stage IE was subdivided into limited Stage IE (i.e., confined to the nasal cavity [67 patients]) or extensive Stage IE (i.e., presenting with extension beyond the nasal cavity [66 patients]). For patients with limited Stage IE disease the treatment of choice was radiotherapy with or without chemotherapy. In patients with extensive Stage IE disease, treatment was comprised of a combination of chemotherapy and radiotherapy or radiotherapy alone. For patients with a more advanced stage of disease (IIE-IVE), chemotherapy was an integral part of the treatment and was completed by irradiation, especially for patients with Stage IIE disease. RESULTS The actuarial overall survival (OS) and disease free survival (DFS) rates at 5 years for the whole group were 65% and 57%, respectively. The 5-year OS and DFS rates were influenced by stage, with a gradual decrease from 75% and 68% for Stage IE disease to 35% and 28% for Stage IIE disease, and 31% and 19% for Stage IIIE/IVE disease. Patients with limited Stage IE disease survived significantly longer (90% 5-year OS) compared with those with extensive Stage IE disease (57% 5-year OS; P < 0.001). For 67 patients with limited Stage IE disease, the 5-year OS was 89% with radiotherapy alone and 92% with radiotherapy and chemotherapy, whereas for 66 patients with extensive Stage IE disease, the 5-year OS was 54% with radiotherapy and 58% with combined modality therapy or chemotherapy (P > 0.05). CONCLUSIONS The prognosis of patients with primary NHL of the nasal cavity is stage dependent. In this large cohort of Stage IE patients, it was demonstrated that the paranasal local extension was a significant prognostic factor associated with poorer treatment outcome. The authors believe that Ann Arbor Stage IE should be subclassified further into limited and extensive Stage IE. The addition of chemotherapy did not appear to modify significantly the survival of patients with either limited or extensive Stage IE disease. The extranodal progression observed in patients with extensive Stage IE and Stage IIE-IVE disease clearly illustrates the need for improvement of systemic treatment.
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Affiliation(s)
- Y X Li
- Department of Radiation Oncology, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
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Fan LF, Huang YR, Wang GH. [Study on quality of sleep and mental health in patients with hyperthyroidism]. Zhonghua Hu Li Za Zhi 1997; 32:435-9. [PMID: 9495958] [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: 02/06/2023]
Abstract
Sleep quality and psychical health were investigated with Pittsburgh Sleeping Quality Index (PSQI) and SCL-90 in 128 patients with hyperthyroidism. The results showed that: 1. The PSQI scores of the patients with ages over 35 years old were higher than that less than 35 years old (P < 0.05). 2. Sleep problems occurred in 87.55% of the patients. Sleep quality of 9.38% of patients were worse. The sleep quality of the female patients were better than the male (P < 0.05). 3. Apart from interpersonal sensitivity, paranoid ideation and psychoticism, scores of the rest were higher than the general people (P < 0.05). 10.2% of the patients with hyperthyroidism had psychical problems. 4. Apart from sleep time and using sleep pill, there was a high correlation between the scores of SCL-90 and PSQI (P < 0.05-P < 0.001). The results showed that sleep problems of the patients with hyperthyroidism affected their psychical health. Lower sleep quality was a main dangerous factor which affected psychical health of the patients with hyperthyroidism.
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Affiliation(s)
- L F Fan
- Department of Endocrinology, China PLA General Hospital, Beijing
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Li YX, Coucke PA, Qian TN, Huang YR, Gu DZ, Mirimanoff RO, Yu ZH. Seminoma arising in corrected and uncorrected inguinal cryptorchidism: treatment and prognosis in 66 patients. Int J Radiat Oncol Biol Phys 1997; 38:343-50. [PMID: 9226322 DOI: 10.1016/s0360-3016(97)00031-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE The purpose of this study was to analyze prognosis and treatment results for seminoma arising in corrected and uncorrected inguinal cryptorchidism (SCIC and SUIC). METHODS AND MATERIALS We reviewed 66 patients with inguinal seminomas between June 1958 and December 1991 at the Cancer Hospital and Institute of Chinese Academy of Medical Sciences. Of these patients, 23 had prior orchiopexy and 43 presented with an inguinal form of cryptorchidism. At presentation, 17 of 66 (26%) patients had nodal metastases. This nodal involvement was 30% (7 of 23) for SCIC and 23% (10 of 43) for SUIC, respectively. These numbers are comparable with those in a series of patients treated for scrotal seminoma at our institution (26% vs. 20%). However, 3 of 23 (13%) patients who had prior orchiopexy presented with inguinal nodal metastasis as compared with 0 of 43 patients with SUIC or 4 of 237 patients with scrotal seminoma (p < .05). There were 49 stage I, 5 stage IIA, 8 stage IIB, 3 stage III, and 1 stage IV patients. All patients underwent radical orchiectomy and received further radiotherapy, chemotherapy, or both. Patients with stage I and stage II disease were treated primarily with radiotherapy, whereas patients with stage III and IV disease were treated with chemotherapy. RESULTS The overall and disease-free survival at 5 and 10 years was 94% and 92%, 89% and 87%, respectively. The overall 5- and 10-year survival by stage was 100% and 100% for stage I, and 77% and 68% for stage II, respectively (p < .05). There was no significant difference in survival between SUIC and SCIC (93% vs. 96% at 5 years). Four patients developed relapse. Two of these four patients experienced relapse at the inguinal area, due to a marginal miss. Three of four patients with relapse were successfully salvaged, and one died of disease. CONCLUSION Our results indicate that prognosis for inguinal seminoma is excellent and similar to that of scrotal seminoma. Postorchiectomy radiotherapy can be considered as the standard treatment for stage I and IIA inguinal seminoma. We recommend routinely including the para-aortic and ipsilateral pelvic nodes.
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Affiliation(s)
- Y X Li
- Department of Radiation Oncology, Cancer Hospital and Institute, Chinese Academy of Medical Sciences, Beijing, P.R. China
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Li YX, Coucke PA, Qian TN, Huang YR, Gu DZ, Mirimanoff RO, Yu ZH. Clinical characteristics, prognosis, and treatment of pelvic cryptorchid seminoma. Int J Radiat Oncol Biol Phys 1997; 38:351-7. [PMID: 9226323 DOI: 10.1016/s0360-3016(97)00052-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE To analyze the clinical characteristics, prognosis, and treatment outcome of pelvic cryptorchid seminoma (PCS), and to determine whether whole abdominal-pelvic irradiation for Stage I disease is necessary. METHODS AND MATERIALS From 1958 to 1991, 60 patients with PCS were treated at the Cancer Hospital of Chinese Academy of Medical Sciences, Beijing. They presented with a lower abdominal mass and showed a predominance for the right side. A high proportion of patients with PCS [26 of 60 (43%)] had metastatic disease, compared to 20% of those with scrotal seminoma, and there was a tendency toward a higher frequency of pelvic nodal metastases. There were 34 Stage I, 6 Stage IIA, 11 Stage IIB, 5 Stage III, and 4 Stage IV patients. Of these 60 patients, 56 underwent laparotomy with or without cryptorchiectomy (37 radical orchiectomy, 7 partial orchiectomy, and 12 biopsy of the primary or cervical node), and 4 cervical node biopsy only. All patients were further treated with radiotherapy, chemotherapy, or a combination of both. Patients with Stage I and II disease received radiotherapy, whereas patients with Stage III and IV were treated with chemotherapy. RESULTS The overall and disease-free survivals at 5 and 10 years were 92% and 87%, and 88% and 84%, respectively. The 5- and 10-year survivals were 100% for Stage I, 94% and 87% for Stage II, and 56% and 42% for Stage III/IV, respectively (p < 0.05). Volume of irradiation, i.e., whole abdominal-pelvic radiotherapy (10 patients), versus hockey-stick encompassing paraaortic, ipsilateral iliac nodes and the primary tumor or tumor bed (17) did not influence outcome in Stage I patients. Five patients relapsed within 2-12 years after treatment, and four of these patients were successfully salvaged. Four patients developed a second malignant tumor and died. CONCLUSION Stage I and II PCS can be adequately controlled by radiotherapy regardless of the surgical procedure. Whole abdominal-pelvic irradiation for Stage I and IIA disease is not required, and fields can be limited to the paraaortic, ipsilateral iliac nodes and primary tumor or tumor bed. We recommend platinum-based chemotherapy for Stage IIB-IV PCS.
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Affiliation(s)
- Y X Li
- Department of Radiation Oncology, Cancer Hospital and Institute, Chinese Academy of Medical Sciences, Beijing, P.R. China
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Lu Z, Lu YH, Wu CL, Huang YR, Zhuang JG, Zhou ZN. [Study model for isolated heart perfusion combined with NMR technique]. Sheng Li Xue Bao 1997; 49:230-4. [PMID: 9812863] [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: 02/09/2023]
Abstract
Some improvements made to overcome the difficulty in the long distance perfusion, temperature maintenance, oxygen supply and the recollection of perfused fluid were described in our Langendorff perfusion in combination of NMR technique with which the rhythmic activity of isolated rat heart can be measured as long as 90 min.
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Affiliation(s)
- Z Lu
- NMR Laboratory and Analytical Center, East China Normal University, Shanghai
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32
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Fan LF, Huang YR, Li HY. [Quality of life of the patients with diabetes mellitus and risk factors ]. Zhonghua Hu Li Za Zhi 1996; 31:562-7. [PMID: 9295526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Quality of life is a comprehensive index for judging individual's physiological, psychological and social function and living condition. There were 143 patients with diabetes mellitus, based on WHO diagnosis standard, hospitalized' in PLA general hospital participated in the study. Investigation instrument included 156 questions (3 aspects) in total. The content of quality of life consisted of 14 items, covering physiological, psychological, social function and living conditions. The results showed that many abnormal changes of quality of life were found in the patients with diabetes mellitus. AMong them the impaired memory and concentration were most obvious. And less important changes were abnormal emotional reactions, reducing of entertainment activities, social adaptation and work ability. The age, degree of education, condition of the illness, complications, social and family background had effects on the quality of life.
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Huang YR, Zhu W. [Emergency care of plastic combustion gas poisoning]. Zhonghua Hu Li Za Zhi 1989; 24:588-90. [PMID: 2605714] [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: 01/01/2023]
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Huang YR. [Short-term results of radiotherapy in early stage non-Hodgkin's lymphoma]. Zhonghua Zhong Liu Za Zhi 1988; 10:470-2. [PMID: 3250831] [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: 01/04/2023]
Abstract
From June 1983 to Jan. 1985, 75 patients with early stage non-Hodgkin's lymphoma were treated in our hospital. The ages ranged from 3 to 65 years. The ratio of male to female was 2.75. The intermediate and high grade malignant lymphoma comprised 89.3% of the whole group. By clinical staging, there were 23 Stage I, 44 Stage II, and 8 Stage III lesions. The primary sites were: 33 in the Waldeyer's ring, 22 in lymph nodes, 10 in the nasal cavity and 10 in the other organs. The two-year survival rate of the whole group was 69.3%. In view of the results, the prognosis was related to the staging, A or B symptoms, primary site and CR or PR after treatment, but the age was irrelevant. The results also showed that intermediate or high grade malignancy gave no significant difference in the two-year survival rate. It might be due to the fact that they were originated from the large cell type of lymphoma in the intermediate group and possessed similar malignant properties as the high grade lymphoma.
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Affiliation(s)
- Y R Huang
- Cancer Institute, Chinese Academy of Medical Sciences, Beijing
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35
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Liu XF, Huang YR. [Primary gastric malignant lymphoma--analysis of 40 patients]. Zhonghua Zhong Liu Za Zhi 1987; 9:298-301. [PMID: 3678022] [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: 01/06/2023]
Abstract
This paper reports 40 patients with primary gastric malignant lymphoma as proved by pathology and treated in our hospital from October 1958 to December 1984. There were 20 males and 20 females, including 3 Hodgkin's disease and 37 non-Hodgkin's lymphoma. The patients were treated by surgery, radiotherapy and chemotherapy separately or combined. In this series, the 5 and 10 year survival rates were 48.6% and 47.6%. The combination of surgery with postoperative radiotherapy and/or chemotherapy gave better results. In postoperative radiation to the whole abdomen, the tissue dose should not be less than 30-35 Gy. The incidence, diagnosis, clinical staging and the indication of primary gastric malignant lymphoma are discussed with a review of literature.
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Affiliation(s)
- X F Liu
- Cancer Hospital, Chinese Academy of Medical Sciences, Beijing
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36
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Yang K, Shi ML, Huang YR, Liu YH, Dai JR. [Prognostic factors of primary non-Hodgkin's lymphoma of the stomach--clinicopathologic study of 21 cases]. Zhonghua Zhong Liu Za Zhi 1987; 9:290-4. [PMID: 3678020] [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: 01/06/2023]
Abstract
Clinical, X-ray and pathological materials of 21 cases of primary non-Hodgkin's lymphoma (NHL) of the stomach were reviewed. According to NHL classification--working formulation for clinical usage sponsored by NCI, USA, there were 13 (61.9%) intermediate grade, 6 (28.6%) high grade and 2 (9.5%) low grade malignant lymphomas. By X-ray manifestations, they were classified into 5 types: multinodular type (4 cases), infiltrative (4), ulcerative (3), giant rugal (1) and mixed (9). Clinically, 10 lesions were stage I, 4 stage II, 1 stage III and 4 stage IV, 2 unclassified. The median survivals were 101 months for stage I, 15 months for stage II and less than 6 months for stages III and IV. The 5 and 10 year survival rates were 70% and 40% in stage I patients. The prognosis is related to clinical stage, depth of the tumor infiltration and histology type but not related to the tumor size or X-ray manifestations.
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Affiliation(s)
- K Yang
- Cancer Hospital, Chinese Academy of Medical Sciences, Beijing
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Gu DZ, Chen ZX, Huang YR, Yu ZH, Qian TN, Gu XZ, Jiang SH, Wu AY. [Treatment of male breast cancer]. Zhonghua Zhong Liu Za Zhi 1987; 9:305-7. [PMID: 3678023] [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: 01/06/2023]
Abstract
From Mar. 1958 through 1985, 50 male patients with breast cancer were treated in our hospital. The ratio of male and female with primary breast cancer was 1:90 during the same period. All were proven by pathology except one case. Forty seven have been followed for more than 5 years. There were 12 stage I lesions, 19 stage II and 16 stage III. Radical mastectomy was performed in 22 patients, total mastectomy in 11 and lobectomy in 12, supplemented by radiotherapy, chemotherapy, hormonal therapy or their combination. Two were not indicated for surgery and were only given a combination combination therapy without operation. The irradiation after radical mastectomy was to deliver to the regional lymph nodes and for the rest, a dose of 5,000-6,000 cGy/5-6 weeks should be added to the chest wall. The chemotherapy, including Thio-TEPA, 5-fluorouracil, cyclophosphamide and methotrexate etc, in the form of single or multi-drug for 1-3 courses, was given. The overall 5 and 10 year survival rates were 51% and 22.5%. The 5 year survival rates of stage I, II and III patients were 83%, 53% and 25%. The 5 year survivals of radical mastectomy, total mastectomy and lobectomy combined with radiotherapy, chemotherapy and hormonal therapy were 59%, 27% and 67%. In those who failed, 50% developed local recurrence or regional metastasis or both and 60% had extensive dissemination. The results indicate that the combination therapy comprising radical mastectomy and lobectomy has a good prognosis. The authors believe that the male breast cancer is more hormone-dependent than the female breast cancer, orchiectomy plays an important role in the treatment of advanced lesions.
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Affiliation(s)
- D Z Gu
- Cancer Hospital, Chinese Academy of Medical Sciences, Beijing
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Wu YY, Zhang J, Huang YR, Yu ZH, Zuo DP, Liu FQ, Zhao XY. [Effect of diseases on interleukin 2 production]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 1987; 9:133-4. [PMID: 2955926] [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: 01/03/2023]
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39
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Huang YR. [Value of abdominal CT scan in the staging of malignant lymphoma]. Zhonghua Zhong Liu Za Zhi 1986; 8:389-91. [PMID: 3568995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A series of 60 patients with malignant lymphoma was proved by pathology except two with mediastinal lesions. All were admitted for radiotherapy from Oct, 1979 to June 1983 and the abdomen was scanned by CT. There were 29 cases of Hodgkin's disease (HD) and 31 of non-Hodgkin's lymphoma (NHL). The age ranged from 8 to 69 years 5 were scanned before, 32 during and 23 after treatment. The results showed that 18 patients had subdiaphragmatic lesions, of which 10 were HD and 8 NHL. The sites of the 18 positive abdominal scan were 9 lymphatic involvement (para-aortic, coeliac, splenic-hilar, mesenteric, gastric, hepatic-hilar, diaphragmatic posterior group and presacral) and 3 visceral involvement (liver, spleen and adrenal gland). As to the change in clinical staging of malignant lymphoma after CT scan, 5 patients (26%) with stage I were downed to stages II and III; 6 (22%) with stage II to stages III, IV and 1 stage III to stage IV. Altogether 22% of stages I, II and III were down staged. According to our experiences, abdominal CT scan can not take the place of exploration or lymphography because the small lesions in the spleen and liver are not visible on the CT scans using conventional intravenous water soluble contrast media. Lymphography is more accurate in showing the retroperitoneal lymph nodes. The CT scan is valuable in detecting lesions in the upper para-aortic, mesenteric, splenic-hilar, hepatic-hilar and renal-hilar lymph nodes.(ABSTRACT TRUNCATED AT 250 WORDS)
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Chen ZX, Gu DZ, Yu ZH, Qian TN, Huang YR, Hu YH, Gu XZ. Radiation therapy of giant cell tumor of bone: analysis of 35 patients. Int J Radiat Oncol Biol Phys 1986; 12:329-34. [PMID: 2420770 DOI: 10.1016/0360-3016(86)90346-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This paper reports 35 patients treated for giant cell tumor of bone. Ten patients were treated by surgery followed by postoperative irradiation. All 10 were cured; eight have survived for more than 5 years and four for more than 10 years without recurrence. Twenty-five patients were treated by radiation alone. All patients were followed for 2 to 17 years. For those who received more than 3500 rad, the local control rate was 82% (14/17); for those who received more than 4000 rad, the local control rate was 85% (11/13). Thirteen have lived for more than 5 years and nine have lived for more than 10. Our experience reveals that surgery and postoperative radiation produce the best results, and that these results are better than those reported in the literature. The results of radiation alone are comparable to that of surgery. For lesions not amenable to surgery, or those which would become crippling if surgery is attempted, radiation should be used either alone or in combination with conservative surgery. The dose for radiation alone should be 5000 to 6000 rad and for postoperative radiation, 3000 to 4000 rad. Supervoltage X rays (60Co or 8 Mv X ray), but not orthovoltage X rays, are indicated. A single radiation course with higher dose is preferred to multiple courses with lower doses. In 62% (15/24) of patients, pain relief begins before treatment is completed. In 74% (14/19) of patients, the tumor mass will not resolve until the sixth month after radiation.
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Yu ZH, Xu GZ, Huang YR, Hu YH, Su XG, Gu XZ. Value of computed tomography in staging the primary lesion (T-staging) of nasopharyngeal carcinoma (NPC): an analysis of 54 patients with special reference to the parapharyngeal space. Int J Radiat Oncol Biol Phys 1985; 11:2143-7. [PMID: 4066445 DOI: 10.1016/0360-3016(85)90095-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
CT scans of the nasopharynx and the base of skull were performed in 54 patients with histologically proven NPC. The CT findings are compared to those obtained by routine clinical examination. In this series, involvement of the parapharyngeal spaces was found by CT scan in 61% (33/54) of patients, which is impossible to assess by clinical means. Intracranial invasion was demonstrated by CT scan with intravenous contrast enhancement in five patients. CT is more sensitive in showing the erosion of skull base than X ray film. CT scans demonstrated 17% (5/30) of bony invasion in X ray negative patients. Clinical examination showed one involved wall in nine patients; CT scan discovered involvement of two or more walls in five (55%) of these nine. Routine clinical examination discovered extra-nasopharyngeal extensions in 34 locations, whereas CT scans discovered 106, a ratio of 1:3.1. The common sites of extra-nasopharyngeal extension detected by CT scan are: parapharyngeal space, intracranial invasion, sphenoidal sinus, orbit, ethmoidal sinus, maxillary antrum, oropharynx and the nasal cavity. In T-staging of NPC, 55% (6/11) of clinical T2 lesions are up-staged by CT. Thirty-six percent (4/11) of clinical T3 lesions were also up-staged. However, 94% (17/18) of clinical T4 lesions remained unchanged. Only 6% (1/18) of clinical T4 lesions were down-staged.
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Abstract
Applied CT scanning in treatment planning and diagnosing the extent of nasopharyngeal cancers among 25 patients. It is hoped that improved cure rate may be possible with extensive using of CT scans.
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Huang YR. [Application of CT in radiotherapy of carcinoma of nasopharynx. Preliminary experience of 25 cases]. Zhonghua Zhong Liu Za Zhi 1984; 6:284-6. [PMID: 6525947] [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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Huang YR. [Application of CT in radiotherapy]. Zhonghua Fang She Xue Za Zhi 1983; 17:221-3. [PMID: 6228412] [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: 01/19/2023]
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Dorie MJ, Kallman RF, Rapacchietta DF, Van Antwerp D, Huang YR. Migration and internalization of cells and polystyrene microsphere in tumor cell spheroids. Exp Cell Res 1982; 141:201-9. [PMID: 7117414 DOI: 10.1016/0014-4827(82)90082-9] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Huang YR, Feng NY, Gu XZ. [CT in radiotherapy--report of 47 cases (author's transl)]. Zhonghua Zhong Liu Za Zhi 1980; 2:209-11. [PMID: 7227186] [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: 01/24/2023]
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