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Yao Q, Diao Y, Zheng Q, Lv T, Song K, Liu S, Dai S, Cui Z. Laparoscopic Bilateral Gonadectomy for a Patient with Turner's Syndrome and Hyperandrogenism. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ofstedal M, Kim B, Liang J, Zheng Q, Xu X, Raymo J. FACTORS ASSOCIATED WITH CORESIDENCE AND PROXIMATE RESIDENCE BETWEEN ADULT CHILDREN AND OLDER PARENTS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1744] [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: 11/13/2022] Open
Affiliation(s)
| | - B Kim
- University of New Hampshire, Durham
| | | | | | | | - J Raymo
- University of Wisconsin-Madison
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Affiliation(s)
| | | | - B Kim
- University of New Hampshire
| | | | - J Raymo
- University of Wisconsin-Madison
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Chen S, Meng Y, Shen Y, Ning X, Xiong C, Lin Z, Zheng Q, Zheng Z, Yin P, Huang H, Yao M. Chemotherapy May Not be Necessary in Stage II Nasopharyngeal Carcinoma Treated with Intensity-Modulated Radiation Therapy. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.313] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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55
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Zhai X, Wang Z, Zheng Q. P1.16-62 A Nomogram to Predict Disease-Free Survival After Curative Resection of Non-Small Cell Lung Cancer. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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56
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Wang Y, Wang Z, Zheng Q. Nomogram for predicting the benefit of surgery for stage IA-IIB small cell lung cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy298.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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57
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Xu W, Liu X, Yu Z, Zhang W, Zheng Q, Liu Z. MRI features of pancreatic intraductal papillary mucinous neoplasms associated with invasive carcinoma. Clin Radiol 2018. [DOI: 10.1016/j.crad.2018.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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58
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Mo MZ, Chen Z, Li RK, Dunning M, Witte BBL, Baldwin JK, Fletcher LB, Kim JB, Ng A, Redmer R, Reid AH, Shekhar P, Shen XZ, Shen M, Sokolowski-Tinten K, Tsui YY, Wang YQ, Zheng Q, Wang XJ, Glenzer SH. Heterogeneous to homogeneous melting transition visualized with ultrafast electron diffraction. Science 2018; 360:1451-1455. [PMID: 29954977 DOI: 10.1126/science.aar2058] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 05/01/2018] [Indexed: 11/02/2022]
Abstract
The ultrafast laser excitation of matters leads to nonequilibrium states with complex solid-liquid phase-transition dynamics. We used electron diffraction at mega-electron volt energies to visualize the ultrafast melting of gold on the atomic scale length. For energy densities approaching the irreversible melting regime, we first observed heterogeneous melting on time scales of 100 to 1000 picoseconds, transitioning to homogeneous melting that occurs catastrophically within 10 to 20 picoseconds at higher energy densities. We showed evidence for the heterogeneous coexistence of solid and liquid. We determined the ion and electron temperature evolution and found superheated conditions. Our results constrain the electron-ion coupling rate, determine the Debye temperature, and reveal the melting sensitivity to nucleation seeds.
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Affiliation(s)
- M Z Mo
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
| | - Z Chen
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - R K Li
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - M Dunning
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - B B L Witte
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.,Institut für Physik, Universität Rostock, 18051 Rostock, Germany
| | - J K Baldwin
- Los Alamos National Laboratory, Bikini Atoll Road, Los Alamos, NM 87545, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - J B Kim
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - A Ng
- Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
| | - R Redmer
- Institut für Physik, Universität Rostock, 18051 Rostock, Germany
| | - A H Reid
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - P Shekhar
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada
| | - X Z Shen
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - M Shen
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada
| | - K Sokolowski-Tinten
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, D-47048 Duisburg, Germany
| | - Y Y Tsui
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada
| | - Y Q Wang
- Los Alamos National Laboratory, Bikini Atoll Road, Los Alamos, NM 87545, USA
| | - Q Zheng
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - X J Wang
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
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Ying XZ, Qian JJ, Peng L, Zheng Q, Zhu B, Jin YH. Model research on repairing meniscus injury in rabbits using bone marrow mesenchymal stem cells and silk fibroin meniscus porous scaffold. Eur Rev Med Pharmacol Sci 2018; 22:3689-3693. [PMID: 29949141 DOI: 10.26355/eurrev_201806_15247] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The purpose of this study is to evaluate the histocompatibility and feasibility of structure and function of bone marrow mesenchymal stem cells (BMSCs) and silk fibroin meniscus porous scaffolds in repairing meniscus injury in rabbits. MATERIALS AND METHODS BMSCs were cultured and identified in vitro, silk fibroin meniscus porous scaffolds were prepared and the histocompatibility of porous scaffolds was evaluated via in vitro culture. Silk fibroin-BMSCs porous scaffolds were implanted into the meniscus defect area of New Zealand white rabbits as the experimental group, the blank scaffold group without BMSCs, pure BMSCs group and blank control group were set up with 10 rabbits in each group. Joint capsules were opened for general observation at 6 weeks and 12 weeks after operation. The specimens received the HE staining, alkaline toluidine blue staining, and immunohistochemical staining of Type I and Type II collagen and S100 protein. RESULTS In vitro HE staining and SEM observation showed that the scaffolds showed the sponge-like structure with abundant microporous structure on the surface and inside, which had a good histocompatibility with BMSCs. At 6 and 12 weeks after operation in experimental group, meniscus-like tissues were found in the meniscus defect area. HE staining showed the fibrous cartilage-like structure and obvious collagenous fiber structure around arranged in an orderly manner. Alkaline toluidine blue staining showed the cartilage-specific glycosaminoglycan (GAG); Type I and Type II collagen and S100 protein staining were strongly positive. However, the above changes were not seen in other groups. CONCLUSIONS BMSCs and silk fibroin meniscus porous scaffolds have a better histocompatibility and feasibility of structure and function in repairing meniscus injury in rabbits.
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Affiliation(s)
- X-Z Ying
- Department of Ultrasound, The Children's Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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Zheng Q, Lin Y, Chen P, Fan YP. The long noncoding RNA BC0209135 inhibits the cell invasion through Wnt/β-catenin signaling in colorectal cancer. Eur Rev Med Pharmacol Sci 2018; 22:3763-3770. [PMID: 29949151 DOI: 10.26355/eurrev_201806_15258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Previous studies have shown that BC029135, a long noncoding RNA (lncRNA) with high conservation, was decreased with high fold change in colorectal cancer (CRC) by using microarray assay. In the present work, we investigated the functions of BC029135 in CRC, as well as the potential mechanisms underlying the malignant phenotype caused by loss of BC029135. MATERIALS AND METHODS Bioinformatics analysis of lncRNA BC029135 was performed to identify the potential function. The cell lines of HCT-116, SW480, SW620, LoVo, SW1116, and HT29 were used in this study. The mRNA expression of BC029135 and β-actinin was measured by Real-Time Polymerase Chain Reaction (RT-PCR). Western blot analysis was used to determine protein expression of β-actinin, MMP-2, cyclin D1, and c-Myc. RESULTS Our research showed that the expression of BC029135 in CRC tissues and cell lines was significantly lower than in adjacent normal tissues. In addition, overexpression of lncRNA BC029135 could inhibit the invasion of CRC cells. We also found that lncRNA BC029135 inhibits Wnt/β-catenin signaling in CRC cell lines. CONCLUSIONS We suggest that up-regulation of BC029135 suppresses CRC invasion and inactivates Wnt/β-catenin signaling. It will provide new insights for the treatment of colorectal cancer and new clues for clinical treatment.
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Affiliation(s)
- Q Zheng
- Department of General Surgery, Ningbo No. 2 Hospital, Ningbo, China.
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61
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Zheng Q, Yang X, Maeno H, Marshall C, Prouty S, O'Day C, Yeh C, Anagnos V, Chen A, Barriera P, Bashir H, Pack M, Capelson M, Seykora J. 213 Nucleoporins are frequently mutated in SCCIS and loss of function promotes UV-induced neoplasia. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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62
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Zhu C, Wang L, Zhang Q, Xu H, Tong J, Wan Y, Zheng Q. 113P Exosomal miRNAs in peripheral blood as novel diagnostic biomarkers of radioresistant lung adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30387-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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63
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Wu C, Pan W, Feng C, Su Z, Duan Z, Zheng Q, Hua C, Li C. Grafting materials for alveolar cleft reconstruction: a systematic review and best-evidence synthesis. Int J Oral Maxillofac Surg 2018; 47:345-356. [DOI: 10.1016/j.ijom.2017.08.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Revised: 05/30/2017] [Accepted: 08/09/2017] [Indexed: 10/18/2022]
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64
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Zheng Q, Martin G, Wu Y, Kentish S. The use of monoethanolamine and potassium glycinate solvents for CO 2 delivery to microalgae through a polymeric membrane system. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2017.09.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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65
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Dong Z, Xu L, Liu H, Lv Y, Zheng Q, Li L. Comparative efficacy of five long-term weight loss drugs: quantitative information for medication guidelines. Obes Rev 2017; 18:1377-1385. [PMID: 29024559 DOI: 10.1111/obr.12606] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 07/24/2017] [Accepted: 08/03/2017] [Indexed: 12/22/2022]
Abstract
Quantitative information is scarce in current obesity medication guidelines, and they do not clearly reflect the differences in the efficacy characteristics among various drugs. This study quantitatively assessed the efficacy characteristics of five FDA-approved long-term weight loss drugs. Potentially eligible studies were obtained from public databases. Using the differences in the weight change from baseline between the drug group and the corresponding placebo group as the major indicator of efficacy, a time-effect model was established, and crucial pharmacodynamic parameters, such as the maximal efficacy, drug onset time and rate of body weight regain after the maximal efficacy point, were used to reflect the differences in efficacy among the five drugs. Finally, 50 reports (involving 43,443 participants) were included. After deducting the placebo effects, the maximal efficacies (95% CI) of orlistat (120 mg), lorcaserin, naltrexone-bupropion, phentermine-topiramate (PT, 7.5/46 mg) and liraglutide were -2.94 (-5.82, -1.27), -3.06 (-4.39, -1.71), -6.15 (-9.78, -3.25), -7.45 (-9.76, -3.88) and -5.50 (-10.62, -2.97) kg at weeks 60, 54, 67, 59 and 65 respectively, and their rates of body weight regain were 0.51, 0.48, 0.91, 1.27and 0.43 kg per year respectively. The 1-year dropout rates of orlistat, lorcaserin, naltrexone-bupropion, PT and liraglutide were 29.0, 40.9, 49.1, 34.9 and 24.3% respectively. In addition, a significant dose-effect correlation was observed for orlistat and PT. This study provides valid quantitative information for medication guidelines.
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Affiliation(s)
- Z Dong
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - L Xu
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - H Liu
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Y Lv
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Q Zheng
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - L Li
- Center for Drug of Clinical Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Zheng M, Wang A, Wang T, Thien C, Gao J, Zheng Q, Ebert J. AKT activation by uni-axial mechanical stimulation is essential for repair of micro damages in tendon during daily activities. J Sci Med Sport 2017. [DOI: 10.1016/j.jsams.2017.09.271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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67
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Xia W, Zheng Q, Lu Q, Wang S. Effect of postmastectomy radiotherapy on breast cancer with isolated tumor cells or micrometastases in regional lymph nodes: A propensity score matched analysis using the SEER database. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx654.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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68
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Ning K, Jiang L, Yang ZP, Zheng Q, Bao YM. 13 Atp-sensitive potassium channels mediate the cardioprotection of panax notoginseng saponins against myocardial ischemia reperfusion injury and inflammatory reaction. J Investig Med 2017. [DOI: 10.1136/jim-2017-mebabstracts.13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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69
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Sokolowski-Tinten K, Shen X, Zheng Q, Chase T, Coffee R, Jerman M, Li RK, Ligges M, Makasyuk I, Mo M, Reid AH, Rethfeld B, Vecchione T, Weathersby SP, Dürr HA, Wang XJ. Electron-lattice energy relaxation in laser-excited thin-film Au-insulator heterostructures studied by ultrafast MeV electron diffraction. Struct Dyn 2017; 4:054501. [PMID: 28795080 PMCID: PMC5522339 DOI: 10.1063/1.4995258] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 07/10/2017] [Indexed: 05/19/2023]
Abstract
We apply time-resolved MeV electron diffraction to study the electron-lattice energy relaxation in thin film Au-insulator heterostructures. Through precise measurements of the transient Debye-Waller-factor, the mean-square atomic displacement is directly determined, which allows to quantitatively follow the temporal evolution of the lattice temperature after short pulse laser excitation. Data obtained over an extended range of laser fluences reveal an increased relaxation rate when the film thickness is reduced or the Au-film is capped with an additional insulator top-layer. This behavior is attributed to a cross-interfacial coupling of excited electrons in the Au film to phonons in the adjacent insulator layer(s). Analysis of the data using the two-temperature-model taking explicitly into account the additional energy loss at the interface(s) allows to deduce the relative strength of the two relaxation channels.
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Affiliation(s)
- K Sokolowski-Tinten
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, 47048 Duisburg, Germany
| | - X Shen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - Q Zheng
- School of Materials and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - T Chase
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - R Coffee
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - M Jerman
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, 47048 Duisburg, Germany
| | - R K Li
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - M Ligges
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, 47048 Duisburg, Germany
| | - I Makasyuk
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - M Mo
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - A H Reid
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - B Rethfeld
- Department of Physics and OPTIMAS Research Center, Technical University Kaiserslautern, Erwin-Schrödinger-Strae 46, 67663 Kaiserslautern, Germany
| | - T Vecchione
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - S P Weathersby
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - H A Dürr
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
| | - X J Wang
- SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, USA
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Wang S, Lu Q, Qin T, Xu F, Zeng Y, Xia W, Zheng Q, Lee K, Zhang K, Qin G, Kong M, Hong R, Shi Y, Yuan Z. Clinical implication of PLR and PD-L1 in breast cancer patients. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx363.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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71
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Banaszak-Holl J, Zheng Q, Intrator O, Stevenson D, Grabowski D, Hirth R, Blackburn J. CHANGING CHAIN OWNERSHIP IN THE NURSING HOME SECTOR AND ITS IMPACT ON SPECIALTY SERVICE PROVISION. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.1911] [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: 11/14/2022] Open
Affiliation(s)
| | - Q. Zheng
- University of Michigan, Ann Arbor, Michigan,
| | - O. Intrator
- University of Rochester, Rochester, New York,
| | | | | | - R. Hirth
- University of Michigan, Ann Arbor, Michigan,
| | - J. Blackburn
- University of Alabama-Birmingham, Birmingham, Alabama
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Wu J, Xu L, Lv Y, Dong L, Zheng Q, Li L. Quantitative analysis of efficacy and associated factors of calcium intake on bone mineral density in postmenopausal women. Osteoporos Int 2017; 28:2003-2010. [PMID: 28337524 DOI: 10.1007/s00198-017-3993-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 02/28/2017] [Indexed: 12/21/2022]
Abstract
UNLABELLED A model-based meta-analysis method was performed to quantitatively analyze the efficacy characteristics of calcium intake in BMD increase among postmenopausal women. We found that age and calcium intake dose were key factors affecting the efficiency and onset of BMD change, and daily 1200 mg calcium was suggested to be a beneficial dosage. INTRODUCTION This paper aims to quantify the efficacy of calcium intake in preventing bone mineral density (BMD) decrease among postmenopausal women and to investigate the factors that may affect the efficacy. METHODS Comprehensive literature search was conducted in PubMed and EMBASE from January 2016. Placebo-controlled or no-treatment controlled randomized trials focused on calcium intake for the management of osteoporosis in postmenopausal women were included. The clinical and demographic characteristics of participants and efficacy data, defined as the mean percentage change of spine BMD (L2-L4) at each observation time point compared with that of baseline, were extracted from the studies. Model-based meta-analysis (MBMA) was used to describe the time course of BMD change by calcium intake and identify the related factors. RESULTS This study includes 17 trials involving 2537 subjects. The results showed that a classic pharmacodynamic maximal effect (E max) model could describe the time course of BMD change by calcium intake. Using this model, we found that age and calcium intake dose were key factors affecting the efficiency and onset of BMD change. A 60-year-old woman administered with 800 mg/day calcium can achieve a maximum BMD increasing rate of 2.38%, and the time to reach 50% of this maximum (known as onset time) was 9.44 months. An increase of 0.0817% per year was noted in the maximal effect value for women aged between 50 and 83 years. For calcium dose interval from 250 to 2000 mg/day, the onset time was expressed as 9.44 × (dose/800)-1.33 months. Two-year calcium intake of 700, 1200, and 2000 mg/day resulted in a maximum efficacy of BMD of 68.0, 81.3, and 89.6%, respectively. This indicates that the final efficacy had already reached the plateau (>80% E max) under the 1200-mg/day dose. CONCLUSION Calcium intake can effectively postpone the tendency of BMD decrease in postmenopausal women. An increased calcium dose contributes to the shortening of the onset time. Considering the drug-acting rate and safety into account, menopausal women can be administered with a rational dose of 1200 mg/day to reduce bone loss.
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Affiliation(s)
- J Wu
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China
| | - L Xu
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China
| | - Y Lv
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China
| | - L Dong
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China
| | - Q Zheng
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China.
| | - L Li
- Center for Drug Clinical Research, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Shanghai, 201203, China.
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Makar PA, Staebler RM, Akingunola A, Zhang J, McLinden C, Kharol SK, Pabla B, Cheung P, Zheng Q. The effects of forest canopy shading and turbulence on boundary layer ozone. Nat Commun 2017; 8:15243. [PMID: 28516905 PMCID: PMC5454380 DOI: 10.1038/ncomms15243] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 03/13/2017] [Indexed: 11/17/2022] Open
Abstract
The chemistry of the Earth's atmosphere close to the surface is known to be strongly influenced by vegetation. However, two critical aspects of the forest environment have been neglected in the description of the large-scale influence of forests on air pollution: the reduction of photolysis reaction rates and the modification of vertical transport due to the presence of foliage. Here we show that foliage shading and foliage-modified vertical diffusion have a profound influence on atmospheric chemistry, both at the Earth's surface and extending throughout the atmospheric boundary layer. The absence of these processes in three-dimensional models may account for 59–72% of the positive bias in North American surface ozone forecasts, and up to 97% of the bias in forested regions within the continent. These processes are shown to have similar or greater influence on surface ozone levels as climate change and current emissions policy scenario simulations. Fully quantifying the influence of vegetation on atmospheric chemistry remains challenging. Here, the authors show that forest canopy shading and turbulence significantly modify air pollution throughout the atmospheric boundary layer, and must be taken into account in models of the atmosphere.
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Affiliation(s)
- P A Makar
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - R M Staebler
- Air Quality Processes Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - A Akingunola
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - J Zhang
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - C McLinden
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - S K Kharol
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - B Pabla
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - P Cheung
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
| | - Q Zheng
- Air Quality Modelling and Integration Research Unit, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
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Prouty S, Zheng Q, Anagnos V, Chen A, Barriera P, Bashir H, Pack M, Capelson M, Grice E, Seykora J. 127 UV-signature mutations in the nuclear pore complex are elevated in squamous cell carcinoma in situ and adjacent epidermis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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75
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Bourokba N, Li J, Bastien P, Zheng Q, Bouez C, Nouveau S, Aguilar L. 188 Contribution of pollution in premature skin aging: A clinical study. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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76
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Capell B, Parekh V, O'Day C, Attilasoy C, Shim E, Zheng Q, Seykora J. 125 RNA sequencing of squamous cell carcinoma in situ and epidermis identifies early drivers of carcinogenesis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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77
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Bourokba N, Li J, Bastien P, Zheng Q, Bouez C, Nouveau S, Aguilar L. 186 Impact of pollution on skin imperfections: A clinical study. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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78
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Yang B, Fan S, Zhi X, Xia R, Wang Y, Zheng Q, Sun G. Geographical and ethnic distribution of MTHFR gene polymorphisms and their associations with diseases among Chinese population. Clin Genet 2017; 92:243-258. [PMID: 27888505 DOI: 10.1111/cge.12929] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [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: 09/17/2016] [Revised: 11/16/2016] [Accepted: 11/22/2016] [Indexed: 12/17/2022]
Abstract
Numerous studies have investigated the distribution of methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms and their associations with diseases in China. In this study we conducted a systematic review and meta-analysis of these studies (715 eligible studies in total).Results revealed that the frequencies of the MTHFR C677T and A1298C polymorphisms varied markedly in different areas and ethnicities, and even showed geographical gradients. The MTHFR C677T polymorphism was significantly associated with 42 clinical disorders (p < 0.05), mostly relating to the diseases of circulatory system, birth defects and cancers. The association of the A1298C polymorphism with three diseases (coronary heart disease, breast cancer and neural tube defects fathers) was statistically significant (p < 0.05). However, according to the Venice criteria, only the associations of the C677T polymorphism with breast and ovarian cancers were assessed as having strong epidemiological credibility. This is the first study to provide a comprehensive assessment of the current status and gaps in genetic epidemiological study of the two polymorphisms in China, and its findings may be useful for medical and public health practices. Future studies are warranted to focus on the interactions of MTHFR genes with environmental exposure and with other genes, and to improve their methodological quality and reporting of findings.
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Affiliation(s)
- B Yang
- Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, Department of Preventive Medicine, School of Public Health, Sun Yat-Sen University, Guangzhou, China.,Environment and Non-Communicable Disease Research Center, School of Public Health, China Medical University, Shenyang, China
| | - S Fan
- Environment and Non-Communicable Disease Research Center, School of Public Health, China Medical University, Shenyang, China
| | - X Zhi
- Environment and Non-Communicable Disease Research Center, School of Public Health, China Medical University, Shenyang, China
| | - R Xia
- Shanghai Institute of Planned Parenthood Research, School of Medicine, Fudan University, Shanghai, China
| | - Y Wang
- Division of Molecular Preventive Medicine, Shanghai Institute of Targeted Therapy and Molecular Medicine, Shanghai, China
| | - Q Zheng
- Environment and Non-Communicable Disease Research Center, School of Public Health, China Medical University, Shenyang, China
| | - G Sun
- Environment and Non-Communicable Disease Research Center, School of Public Health, China Medical University, Shenyang, China
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79
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Zheng Q, Ding H, Zhu C, Wang L, Wan Y. 155P Randomized controlled trial of CT-guided versus laparoscopic radiofrequency ablation in recurrent small hepatocellular carcinoma against the diaphragmatic dome. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00313-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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80
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Zheng Q, Ding H, Zhu C, Wang L, Wan Y. 155P Randomized controlled trial of CT-guided versus laparoscopic radiofrequency ablation in recurrent small hepatocellular carcinoma against the diaphragmatic dome. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw579.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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81
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Mo MZ, Shen X, Chen Z, Li RK, Dunning M, Sokolowski-Tinten K, Zheng Q, Weathersby SP, Reid AH, Coffee R, Makasyuk I, Edstrom S, McCormick D, Jobe K, Hast C, Glenzer SH, Wang X. Single-shot mega-electronvolt ultrafast electron diffraction for structure dynamic studies of warm dense matter. Rev Sci Instrum 2016; 87:11D810. [PMID: 27910490 DOI: 10.1063/1.4960070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We have developed a single-shot mega-electronvolt ultrafast-electron-diffraction system to measure the structural dynamics of warm dense matter. The electron probe in this system is featured by a kinetic energy of 3.2 MeV and a total charge of 20 fC, with the FWHM pulse duration and spot size at sample of 350 fs and 120 μm respectively. We demonstrate its unique capability by visualizing the atomic structural changes of warm dense gold formed from a laser-excited 35-nm freestanding single-crystal gold foil. The temporal evolution of the Bragg peak intensity and of the liquid signal during solid-liquid phase transition are quantitatively determined. This experimental capability opens up an exciting opportunity to unravel the atomic dynamics of structural phase transitions in warm dense matter regime.
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Affiliation(s)
- M Z Mo
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X Shen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - Z Chen
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R K Li
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - M Dunning
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - K Sokolowski-Tinten
- Faculty of Physics and Centre for Nanointegration Duisburg-Essen, University of Duisburg-Essen, Lotharstrasse 1, D-47048 Duisburg, Germany
| | - Q Zheng
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S P Weathersby
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - A H Reid
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - R Coffee
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - I Makasyuk
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S Edstrom
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - D McCormick
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - K Jobe
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - C Hast
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
| | - X Wang
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
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82
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Sun LL, Dong G, Wang B, Zheng Q, Wang S, Zhang RF. Real-time shear wave elastrography and APRI index for evaluating autoimmune hepatitis fibrosis. J BIOL REG HOMEOS AG 2016; 30:1019-1021. [PMID: 28078847] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The objective of this study was to investigate the significance of real-time supersonic shear imaging (SSI) and serum biochemical index in evaluating the degree of autoimmune hepatitis fibrosis. Retrospective analysis was carried out to study 291 cases of patients with autoimmune hepatitis, and discuss the value of SSI application, APRI index and bilirubin on autoimmune hepatitis. The area under the receiver operating characteristic curve (AUROC) was taken for statistical analysis to determine its diagnostic accuracy. In the high degree of hepatic fibrosis, the hepatic SSI measured value of autoimmune hepatitis positively correlated to ALT, AST, APRI ratio, AST and AST/ALT. The SSI measured value significantly and positively correlated to the degree of hepatic fibrosis (r=0.598, p=0 less than 0.01). In chronic hepatic fibrosis, the elasticity values of AIH, PBC, AIH-PBC overlap syndrome (OS) were in a rising trend, and the difference in the elasticity value of each fibrosis stage was statistically significant (P less than 0.01). Hepatic SSI measured value was employed to respectively detect the AUROC of S3 stage and S4 stage for AIH, PBC, and AIR-PBC OS groups, which resulted as being higher than the APRI index detected in S3 stage and S4 stage. SSI measured index had better diagnostic significance than APRI index on hepatic fibrosis for AIH, PBC and AIH-PBC OS groups.
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Affiliation(s)
- L L Sun
- Department of Ultrasonography, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | - G Dong
- Department of Ultrasonography, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | - B Wang
- Department of Radiology, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | - Q Zheng
- Department of Ultrasonography, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | - S Wang
- Department of Ultrasonography, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | - R F Zhang
- Department of Ultrasonography, The First Affiliated Hospital of Zhengzhou University, Henan, China
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83
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84
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SanMiguel A, Meisel J, Horwinski J, Zheng Q, Grice E. 502 Antiseptics elicit personalized alterations to skin microbial communities. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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85
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Ren Q, Wang Y, Zheng Q, Ye L, Zhou XD, Zhang LL. Survey of student attitudes towards digital simulation technologies at a dental school in China. Eur J Dent Educ 2016; 21:180-186. [PMID: 27040731 DOI: 10.1111/eje.12198] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/16/2016] [Indexed: 02/05/2023]
Affiliation(s)
- Q. Ren
- West China Hospital of Stomatology; Sichuan University; Chengdu China
| | - Y. Wang
- West China Hospital of Stomatology; Sichuan University; Chengdu China
| | - Q. Zheng
- West China Hospital of Stomatology; Sichuan University; Chengdu China
| | - L. Ye
- West China Hospital of Stomatology; Sichuan University; Chengdu China
| | - X. D. Zhou
- West China Hospital of Stomatology; Sichuan University; Chengdu China
| | - L. L. Zhang
- West China Hospital of Stomatology; Sichuan University; Chengdu China
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86
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Wang ZH, Zheng Q, Wang X, Li Y. The energy-level crossing behavior and quantum Fisher information in a quantum well with spin-orbit coupling. Sci Rep 2016; 6:22347. [PMID: 26931762 PMCID: PMC4773991 DOI: 10.1038/srep22347] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 02/10/2016] [Indexed: 11/09/2022] Open
Abstract
We study the energy-level crossing behavior in a two-dimensional quantum well with the Rashba and Dresselhaus spin-orbit couplings (SOCs). By mapping the SOC Hamiltonian onto an anisotropic Rabi model, we obtain the approximate ground state and its quantum Fisher information (QFI) via performing a unitary transformation. We find that the energy-level crossing can occur in the quantum well system within the available parameters rather than in cavity and circuit quantum eletrodynamics systems. Furthermore, the influence of two kinds of SOCs on the QFI is investigated and an intuitive explanation from the viewpoint of the stationary perturbation theory is given.
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Affiliation(s)
- Z H Wang
- Center for Quantum Sciences, Northeast Normal University, Changchun 130117, China.,Beijing Computational Science Research Center, Beijing 100094, China
| | - Q Zheng
- Beijing Computational Science Research Center, Beijing 100094, China.,School of Mathematics and Computer Science, Guizhou Normal University, Guiyang 550001, China
| | - Xiaoguang Wang
- Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310027, China
| | - Yong Li
- Beijing Computational Science Research Center, Beijing 100094, China.,Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
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87
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Wang S, Zheng Q, Nie M, Xu F, Xia W, Yuan Z, Peng R, An X, Qin T, Qin G. Abstract P3-07-21: Non-alcoholic fatty liver disease induced by selective estrogen receptor modulators is a protective factor for breast cancer survival. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p3-07-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose: Non-alcoholic fatty liver disease (NAFLD) induced by selective estrogen receptor modulators (SERMs) treatment may be related to treatment efficacy for the antagonism of circulating estrogens. We conducted a retrospective study to investigate the relationship between survival outcomes and NAFLD in breast cancer patients treated with tamoxifen or toremifene.
Patients and methods: 785 eligible patients received tamoxifen or toremifene in Sun Yat-sen university cancer center from January 2005 to December 2009 were included in our study. All patients have at less one abdominal ultrasonography measurement at baseline and every year's follow-up. Patients who diagnosed NAFLD by ultrasonography during three-year's follow-up were classified into NAFLD cohort, others were classified into no-NAFLD cohort. Univariate and multivariate Cox regression was utilized to analyse the relationship between NAFLD and disease-free survival (DFS) and overall survival (OS).
Results:158 patients had reported NAFLD in the first 3 years' follow-up. Patients who developed NAFLD had better DFS and OS than those not developing NAFLD. The 5-years DFS was 91.56% and 85.01% at NAFLD and no-NAFLD cohort (univariate hazard ratio [HR]: 0.59 [95%CI 0.37-0.96], P=0.034), respectively. The 5-years OS was 96.64% and 93.31% at NAFLD and no-NAFLD cohort (univariate HR: 0.39 [95%CI 0.16-0.99], P=0.047), respectively. Multivariate analysis revealed that NAFLD is an independent prognostic factor on DFS in breast cancer patients with SERMs treated. Women treated with SERMs experienced NAFLD in the first three-year's follow-up had a reduced risk of DFS of 42% (multivariate HR: 0.58; [95%CI 0.36-0.95], P=0.032) compared with patients without NAFLD.
Conclusion: NAFLD induced by SERMs seems to be associated with better survival outcomes and may therefore be helpful in predicting treatment responses in breast cancer patients treated with SERMs.
Citation Format: Wang S, Zheng Q, Nie M, Xu F, Xia W, Yuan Z, Peng R, An X, Qin T, Qin G. Non-alcoholic fatty liver disease induced by selective estrogen receptor modulators is a protective factor for breast cancer survival. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P3-07-21.
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Affiliation(s)
- S Wang
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Q Zheng
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - M Nie
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - F Xu
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - W Xia
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Z Yuan
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - R Peng
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - X An
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - T Qin
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - G Qin
- Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
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88
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Xu HG, Zheng Q, Song JX, Li J, Wang H, Liu P, Wang J, Wang CD, Zhang XL. Intermittent cyclic mechanical tension promotes endplate cartilage degeneration via canonical Wnt signaling pathway and E-cadherin/β-catenin complex cross-talk. Osteoarthritis Cartilage 2016; 24:158-68. [PMID: 26247612 DOI: 10.1016/j.joca.2015.07.019] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 07/20/2015] [Accepted: 07/27/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study aimed to investigate the role of the Wnt/β-catenin signaling pathway and E-cadherin/β-catenin complex in intermittent cyclic mechanical tension (ICMT)-induced endplate cartilage degeneration. DESIGN β-Catenin expression was measured in disc samples obtained from patients with disc degeneration and those with cervical vertebrae fracture or dislocation. Histological staining was performed to examine the disc tissue morphology and extracellular matrix after application of ICMT in vitro and in vivo. Multiple strategies were employed to examine activation of Wnt/β-catenin signaling after ICMT application in vivo and in vitro. Co-immunoprecipitation was performed to examine the interaction between E-cadherin and β-catenin. Pathway-specific inhibitors and an E-cadherin expression plasmid were used to regulate Wnt/β-catenin signaling and E-cadherin expression. RESULTS β-Catenin protein expression was elevated significantly, whereas cartilaginous genes were down-regulated in endplate cartilage samples obtained from patients with disc degeneration. ICMT loading led to Wnt/β-catenin signaling activation and the loss of the chondrogenic phenotype of endplate chondrocytes in both an in vivo rabbit model and in vitro endplate chondrocyte culture system. Inhibition of Wnt/β-catenin signaling suppressed the decrease in ICMT-induced cartilaginous gene expression. Furthermore, E-cadherin expression was inhibited by ICMT stimulation, resulting in a decrease in the interaction between E-cadherin and β-catenin proteins. Over-expression of E-cadherin rescued the cartilaginous gene expression by enhancing the interaction between E-cadherin and β-catenin proteins. CONCLUSIONS ICMT promotes endplate cartilage degeneration via activation of Wnt/β-catenin signaling and suppression of physical protein-protein interactions between E-cadherin and β-catenin.
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Affiliation(s)
- H-g Xu
- Department of Orthopedic Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China.
| | - Q Zheng
- Department of Orthopedic Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China
| | - J-x Song
- Department of Orthopedic Surgery, Chinese Medicine Hospitals of Wuhu, Wuhu, 241001, Anhui, China
| | - J Li
- Department of Cell Biology and Genetics, Zunyi Medical College, Zunyi, 563003, Guizhou, China
| | - H Wang
- Department of Orthopedic Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China
| | - P Liu
- Department of Orthopedic Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China
| | - J Wang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - C-d Wang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - X-l Zhang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
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89
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Yan L, Hu R, Tu S, Cheng WJ, Zheng Q, Wang JW, Kan WS, Ren YJ. Meta-analysis of association between IL-6 -634C/G polymorphism and osteoporosis. Genet Mol Res 2015; 14:19225-32. [PMID: 26782575 DOI: 10.4238/2015.december.29.32] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Osteoporosis is a common disease in the aging population and studies have shown that interleukin-6 (IL-6) is potentially implicated in its pathogenesis. This study was designed to assess the association between the IL-6 gene -634C/G polymorphism and osteoporosis. PubMed, Embase, China National Knowledge Infrastructure, and Wanfang databases were searched for eligible studies published up to and including December 2014 in English or Chinese. Meta-analysis was conducted by the RevMan5.2 software. Weighted mean difference and 95% confidence interval (95%CI) were calculated by a fixed-effect or random-effect model. Bone mineral density (BMD) was regarded as the assessment index. As a result, a total of four articles with 3068 subjects were included. Differences in BMD between the CC and GG genotypes were 0.03 g/cm(2) (95%CI = 0.01 to 0.05) at total body, 0.01 g/cm(2) (95%CI = 0.00 to 0.03) at femoral neck, and 0.03 g/cm(2) (95%CI = 0.00 to 0.06) at the lumbar spine (P < 0.05). For the CG versus GG genotypes, the differences in BMD were 0.03 g/cm(2) (95%CI = 0.02 to 0.05) at total body and 0.02 g/cm(2) (95%CI = 0.00 to 0.03 at the femoral neck (P < 0.05). For the CC versus CG genotypes, the differences in BMD were not significant (P > 0.05). In conclusion, the GG genotype of the -634C/G polymorphism in IL-6 appears to play a role in reducing BMD, which affects normal bone metabolism and leads to osteoporosis.
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Affiliation(s)
- L Yan
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - R Hu
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - S Tu
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - W J Cheng
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Q Zheng
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - J W Wang
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - W S Kan
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Y J Ren
- Department of Reparative and Reconstructive Surgery of Orthopedics, Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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90
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Li J, Xiong J, Yang B, Zhou Q, Wu Y, Luo H, Zhou H, Liu N, Li Y, Song Z, Zheng Q. Endothelial Cell Apoptosis Induces TGF-β Signaling-Dependent Host Endothelial-Mesenchymal Transition to Promote Transplant Arteriosclerosis. Am J Transplant 2015; 15:3095-111. [PMID: 26372910 DOI: 10.1111/ajt.13406] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [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: 01/13/2015] [Revised: 05/26/2015] [Accepted: 05/29/2015] [Indexed: 01/25/2023]
Abstract
Endothelial cells (ECs) apoptosis is an initial event in transplant arteriosclerosis (TA), resulting in allograft function loss. To elucidate the precise mechanisms of ECs apoptosis leading to neointimal smooth muscle cells (SMCs) accumulation during TA. We induced apoptosis in cultured ECs by overexpressing p53 through lentivirus-mediated transfection. ECs apoptosis induced the production of transforming growth factor (TGF)-β1 in both apoptotic and neighboring viable cells, leading to increased TGF-β1 in the culture media. Conditioned media from Ltv-p53-transfected ECs further promoted transition of cultured ECs to SM-like cells by activating TGF-β/Smad3, PI3K/Akt/mTOR, and MAPK/ERK signaling in a TGF-β-dependent manner. In transgenic rat aorta transplantation models, inhibition of ECs apoptosis in Bcl-xL(+/+) knock-in rat aortic allografts significantly reduced TGF-β1 production both in allograft endothelia and in blood plasma, which in turn decreased accumulation of SM22α+ cells from transgenic recipient ECs originally marked with EGFP knock-in in neointima and alleviated TA. Systemic treatment with SIS3, AP23573, or PD98059 also prevented recipient ECs-originated SM-like cells accumulation and intima hyperplasia in aortic allografts. These data suggest that allograft EC apoptosis induced recipient endothelial-mesenchymal (smooth muscle) transition via TGF-β signaling, resulting in recipient EC-derived SMC accumulation as a major mechanism of vascular remodeling during TA.
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Affiliation(s)
- J Li
- Department of Urology Oncological Surgery, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - J Xiong
- Department of Hepatobiliary Surgery and Liver Transplantation Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Province, China
| | - B Yang
- Department of Hepatobiliary Surgery and Liver Transplantation Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Province, China
| | - Q Zhou
- Department of Gynecologic Oncology, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - Y Wu
- Department of Radiotherapy, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - H Luo
- Department of Urology Oncological Surgery, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - H Zhou
- Department of Urology Oncological Surgery, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - N Liu
- Department of Urology Oncological Surgery, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - Y Li
- Department of Urology Oncological Surgery, Chongqing Cancer Hospital & Institute & Cancer Center, Chongqing, China
| | - Z Song
- Department of Hepatobiliary Surgery and Liver Transplantation Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Province, China
| | - Q Zheng
- Department of Hepatobiliary Surgery and Liver Transplantation Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Province, China
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91
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Ha P, Shi B, Zheng Q. Self-concept of Chinese children and adolescents with cleft lip and/or palate. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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92
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Zheng Q, Ma L, Li L, Li C. Down-regulation of Par/aPKC complex in dexamethasone-induced cleft palate. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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93
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Zheng Q, Zhu YY, Chen J, Ye YB, Li JY, Liu YR, Hu ML, Zheng YC, Jiang JJ. Activated natural killer cells accelerate liver damage in patients with chronic hepatitis B virus infection. Clin Exp Immunol 2015; 180:499-508. [PMID: 25639451 DOI: 10.1111/cei.12597] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2015] [Indexed: 12/20/2022] Open
Abstract
Emerging evidence indicates that natural killer (NK) cells may contribute to liver injury in patients with hepatitis B virus (HBV) infection. Because HBV infection progresses through various disease phases, the cytolytic profiles of peripheral and intrahepatic NK cells in HBV-infected patients remain to be defined. In this study, we comprehensively characterized intrahepatic and peripheral NK cells in a cohort of HBV-infected individuals, and investigated their impact on liver pathogenesis during chronic HBV infection. The study population included 34 immune-clearance (IC) patients, 36 immune-tolerant (IT) carriers and 10 healthy subjects. We found that the activity of peripheral NK cells from IC patients was functionally elevated compared to IT carriers and controls, and NK cell activation was indicated by an increased expression of CD69, CD107a, interferon (IFN)-γ and tumour necrosis factor (TNF)-α. Further analysis showed that the increased activity of both peripheral and hepatic NK cells was correlated positively with liver injury, which was assessed by serum alanine aminotransferase levels (ALT) and the liver histological activity index (HAI). Interestingly, the frequency of peripheral NK cells was reduced in IC patients (especially those with higher HAI scores of 3-4), but there was a concomitant increase in hepatic NK cells. The functionally activated NK cells are enriched preferentially in the livers of IC patients and skew towards cytolytic activity that accelerates liver injury in chronic hepatitis B (CHB) patients.
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Affiliation(s)
- Q Zheng
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Y Y Zhu
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - J Chen
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Y B Ye
- Lab of Immunooncology, Fujian Key Laboratory of Translational Cancer Medicine, Fuzhou, China
| | - J Y Li
- Lab of Immunooncology, Fujian Key Laboratory of Translational Cancer Medicine, Fuzhou, China
| | - Y R Liu
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - M L Hu
- Department of Gastroenterology, Jinhua Central Hospital, Zhejiang, China
| | - Y C Zheng
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - J J Jiang
- Center for Liver Disease, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
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94
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Zhang P, Zhang HW, Han XD, Di JZ, Zheng Q. Meta-analysis of comparison between minimally invasive video-assisted thyroidectomy and conventional thyroidectomy. Eur Rev Med Pharmacol Sci 2015; 19:1381-1387. [PMID: 25967712] [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: 06/04/2023]
Abstract
OBJECTIVE Comparing the minimally invasive video-assisted thyroidectomy (MIVAT) with conventional thyroidectomy in safety and clinical application. STUDY DESIGN A systematic review of the literature and meta-analysis. MATERIALS AND METHODS Randomized controlled trials comparing the MIVAT with conventional thyroidectomy were ascertained by methodical search using Medline, Embase, Pubmed, and The Cochrane Library. The trials data were extracted and statistical analyzed using STATA 11.0. RESULTS Nine trials were identified. Operative time was significantly less with conventional thyroidectomy than with MIVAT, while MIVAT was associated with less pain at 24 hours postoperatively. MIVAT was associated with less scarring and greater cosmetic result. There were no statistically significant differences for the presence of transient recurrent laryngeal nerve palsy and the presence of transient hypoparathyroidism. CONCLUSIONS MIVAT is a feasible, practical, and safe procedure with cosmetic benefit. It is a promising new technique for modern patients, with benefits over the established surgery.
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Affiliation(s)
- P Zhang
- Department of General Surgery,the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China.
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95
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Gumeniuk R, Schöneich M, Kvashnina KO, Akselrud L, Tsirlin AA, Nicklas M, Schnelle W, Janson O, Zheng Q, Curfs C, Burkhardt U, Schwarz U, Leithe-Jasper A. Intermetallic germanides with non-centrosymmetric structures derived from the Yb3Rh4Sn13 type. Dalton Trans 2015; 44:5638-51. [PMID: 25705863 DOI: 10.1039/c4dt03155e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [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
New germanides with composition RE3Pt4Ge13 (RE = Y, Pr, Sm, Gd, Tb, Tm) have been prepared by high-pressure, high-temperature synthesis. Their crystal structures have been refined, and the relationship of this new rhombohedral and monoclinic structure types with the primitive cubic Yb3Rh4Sn13 prototype is discussed. Band structure calculations within density functional theory confirm the distorted rhombohedral and monoclinic structural arrangements to be energetically more favorable than the simple cubic one. X-ray absorption spectroscopy and magnetic susceptibility measurements indicate that the RE-atoms are in the +3 oxidation state in all studied compounds.
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Affiliation(s)
- R Gumeniuk
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany.
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96
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Zheng Q, Liu Y, Zhou HJ, Du YT, Zhang BP, Zhang J, Miao GY, Liu B, Zhang H. X-ray radiation promotes the metastatic potential of tongue squamous cell carcinoma cells via modulation of biomechanical and cytoskeletal properties. Hum Exp Toxicol 2015; 34:894-903. [PMID: 25586002 DOI: 10.1177/0960327114561664] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study investigated the metastatic potential of tongue squamous cell carcinoma (TSCC) cells after X-ray irradiation as well as radiation-induced changes in the biomechanical properties and cytoskeletal structure that are relevant to metastasis. Tca-8113 TSCC cells were X-ray-irradiated at increasing doses (0, 1, 2, or 4 Gy), and 24 h later, migration was evaluated with the wound healing and transwell migration assays, while invasion was assessed with the Matrigel invasion assay. Confocal and atomic force microscopy were used to examine changes in the structure of the actin cytoskeleton and Young's modulus (cell stiffness), respectively. X-ray radiation induced dose-dependent increases in invasive and migratory potentials of cells relative to unirradiated control cells (p < 0.05). The Young's modulus of irradiated cells was decreased by radiation exposure (p < 0.05), which was accompanied by alterations in the integrity and organization of the cytoskeletal network, as evidenced by a decrease in the signal intensity of actin fibers (p < 0.05). X-ray irradiation enhanced migration and invasiveness in Tca-8113 TSCC cells by altering their biomechanical properties and the organization of the actin cytoskeleton. A biomechanics-based analysis can provide an additional platform for assessing tumor response to radiation and optimization of cancer therapies.
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Affiliation(s)
- Q Zheng
- School of Stomatology, Lanzhou University, Lanzhou, Gansu, People's Republic of China
| | - Y Liu
- Department of Radiation Biology and Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, People's Republic of China
| | - H J Zhou
- School of Stomatology, Northwest University for Nationalities, Lanzhou, Gansu, People's Republic of China
| | - Y T Du
- School of Stomatology, Lanzhou University, Lanzhou, Gansu, People's Republic of China
| | - B P Zhang
- School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, Gansu, People's Republic of China
| | - J Zhang
- School of Stomatology, Lanzhou University, Lanzhou, Gansu, People's Republic of China
| | - G Y Miao
- Department of Radiation Biology and Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, People's Republic of China
| | - B Liu
- School of Stomatology, Lanzhou University, Lanzhou, Gansu, People's Republic of China Corresponding authors with equal contribution
| | - H Zhang
- Department of Radiation Biology and Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu, People's Republic of China Corresponding authors with equal contribution
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97
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Guo W, Jiang T, Lian C, Wang H, Zheng Q, Ma H. ASSA14-03-03 QKI deficiency promotes FoxO1 mediated nitrosative stress and endoplasmic reticulum stress contributing to increased vulnerability to ischaemic injury in diabetic heart. Heart 2015. [DOI: 10.1136/heartjnl-2014-307109.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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98
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Zheng Q, Zhu YY, Chen J, Liu YR, You J, Dong J, Zeng DW, Gao LY, Chen LH, Jiang JJ. Decline in intrahepatic cccDNA and increase in immune cell reactivity after 12 weeks of antiviral treatment were associated with HBeAg loss. J Viral Hepat 2014; 21:909-16. [PMID: 24888640 DOI: 10.1111/jvh.12261] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 02/25/2014] [Indexed: 12/12/2022]
Abstract
Viral load reduction facilitates recovery of antiviral T-cell responses. Dynamic alterations in intrahepatic viraemia clearance and immune cell reactivity during the early phase of nucleoside analogue (NA) therapy and the impact of these changes on HBeAg seroconversion are unknown. Fifteen HBeAg-positive chronic hepatitis B (CHB) patients were treated with adefovir dipivoxil. T-cell reactivity to HBV core and surface antigens were tested using ELISPOT assay from baseline to week 48 post-treatment (at 4-week intervals). Before and at week 12 of treatment, paired liver biopsies were analysed for intrahepatic HBV-DNA and cccDNA via real-time fluorescent PCR. In situ detection of CD4(+) , CD8(+) T cells and NK cells was analysed by immunohistochemistry. With viral load reduction, HBV-specific IFN-γ-producing CD4(+) T cells in patients with HBeAg loss were greatly enhanced and reached the highest level at week 12, with further increase observed between week 36 and week 48. After 12 weeks of treatment, total intrahepatic HBV-DNA and cccDNA had significantly decreased; however, there was no difference in the viral loads or extent of reduction between patients with and without HBeAg loss. Paralleling reduction in viral load, intrahepatic CD8(+) T lymphocytes increased in patients with HBeAg loss compared with baseline values. Only one patient without HBeAg loss exhibited similar results. Increased immune cells were observed in certain patients along with reduced hepatic viral loads during the second phase of HBV-DNA decline, which could promote the recovery of antiviral immunity and facilitate HBeAg loss.
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Affiliation(s)
- Q Zheng
- Center of Liver Diseases, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
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99
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Li G, Ma Y, Cheng TS, Landao-Bassonga E, Qin A, Pavlos NJ, Zhang C, Zheng Q, Zheng MH. Identical subchondral bone microarchitecture pattern with increased bone resorption in rheumatoid arthritis as compared to osteoarthritis. Osteoarthritis Cartilage 2014; 22:2083-92. [PMID: 25205016 DOI: 10.1016/j.joca.2014.08.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 08/21/2014] [Accepted: 08/29/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To analyze the differences in microarchitecture and bone remodeling of subchondral bone in femoral heads from patients with rheumatoid arthritis (RA) and osteoarthritis (OA). DESIGNS Peri-articular bone samples, including subchondral trabecular bone (STB) and deeper trabecular bone (DTB) were extracted from the load-bearing region of femoral heads from 20 patients with RA and 40 patients with OA during hip replacement surgery. Micro-CT, histomorphometry and backscatter scanning electron microscopy (BSEM) were performed to assess microarchitecture and bone histology parameters. RESULTS In both RA and OA, STB showed more sclerotic microarchitecture and more active bone remodeling, compared to DTB. RA and OA showed similar microarchitecture characteristics in both STB and DTB, despite STB in RA exhibiting higher bone resorption. In addition, there was no difference in the frequency of bone cysts in STB between RA and OA. In STB, the trabecular bone surrounding subchondral bone cysts (Cys-Tb) was more sclerotic than the trabecular bone found distant to cysts (Peri-Tb), with a higher level of bone remodeling. Both Cys-Tb region and Peri-Tb region were detected to have similar microarchitectural and bone remodeling characteristics in RA and OA. CONCLUSIONS Apart from higher bone resorption in the general subchondral bone of RA samples, the peri-articular bone exhibited similar microarchitectural and bone remodeling characteristics in RA and OA.
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Affiliation(s)
- G Li
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated the Sixth People's Hospital, Shanghai, China; Centre for Orthopaedic Research, School of Surgery, The University of Western Australia, Perth, Australia.
| | - Y Ma
- Division of Orthopaedic Surgery, Guangdong General Hospital, Guangzhou, China.
| | - T S Cheng
- Centre for Orthopaedic Research, School of Surgery, The University of Western Australia, Perth, Australia.
| | - E Landao-Bassonga
- Centre for Orthopaedic Research, School of Surgery, The University of Western Australia, Perth, Australia.
| | - A Qin
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - N J Pavlos
- Centre for Orthopaedic Research, School of Surgery, The University of Western Australia, Perth, Australia.
| | - C Zhang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated the Sixth People's Hospital, Shanghai, China.
| | - Q Zheng
- Division of Orthopaedic Surgery, Guangdong General Hospital, Guangzhou, China.
| | - M H Zheng
- Centre for Orthopaedic Research, School of Surgery, The University of Western Australia, Perth, Australia.
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100
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Zheng Q, Wu H, Yu Q, Kim DHD, Lipton JH, Angelini S, Soverini S, Vivona D, Takahashi N, Cao J. ABCB1 polymorphisms predict imatinib response in chronic myeloid leukemia patients: a systematic review and meta-analysis. Pharmacogenomics J 2014; 15:127-34. [PMID: 25245580 DOI: 10.1038/tpj.2014.54] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 07/18/2014] [Accepted: 08/13/2014] [Indexed: 12/17/2022]
Abstract
Imatinib mesylate, a competitive tyrosine kinase inhibitor, is considered the first-line therapy drug for Ph+ chronic myeloid leukemia (CML). Three single-nucleotide polymorphisms (SNPs) in the ATP-binding cassette, subfamily B (MDR/TAP), member 1 gene (ABCB1/MDR1), c.1236C>T, c.2677G>T/A and c.3435C>T, have been shown to affect cellular transport/metabolism of imatinib. The associations between these SNPs and imatinib response in CML patients have been widely evaluated, but the results were inconsistent. To derive a conclusive assessment of the associations, we performed a meta-analysis by combining data from a total of 12 reports including 1826 patients. The results showed that the 2677G allele or 3435T allele predicted a worse response to imatinib in CML patients, whereas 1236CC genotype was associated with better response in CML patients from Asian region. In conclusion, this meta-analysis suggests that c.1236C>T, c.2677G>T/A and c.3435C>T can be served as predictive markers for the therapeutical use of imatinib in CML patients.
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Affiliation(s)
- Q Zheng
- Clinical Research Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - H Wu
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Q Yu
- Department of Surgical Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - D H Dennis Kim
- Chronic Myelogenous Leukemia Group, Princess Margaret Cancer Centre, University Health Network University of Toronto, Toronto, Ontario, Canada
| | - J H Lipton
- Chronic Myelogenous Leukemia Group, Princess Margaret Cancer Centre, University Health Network University of Toronto, Toronto, Ontario, Canada
| | - S Angelini
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - S Soverini
- Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology, University of Bologna, Bologna, Italy
| | - D Vivona
- Departmento de Análises Clínicas e Toxicológicas da Faculdade de Ciências Farmacêuticas da Universidade de São Paulo, São Paulo, Brazil
| | - N Takahashi
- Department of Hematology, Nephrology, and Rheumatology, Akita University Graduate School of Medicine, Akita, Japan
| | - J Cao
- Clinical Research Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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