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No difference in mortality among ALPPS,two-staged hepatectomy,and portal vein embolization/ligation:A systematic review by updated traditional and network meta-analyses

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Hepatobiliary & Pancreatic Diseases International 2020年第5期19卷 411-419页

作者： Paschalis Gavriilidis Robert P Sutcliffe Keith J Roberts Madhava Pai duncan Spalding Nagy Habib Long R Jiao Mikael H Sodergren Department of Hepatopanceaticobiliary Surgery Imperial College Healthcare NHS TrustHammersmith HospitalLondon W120HSUK Department of Hepato-Pancreato-Biliary and Liver Transplant Surgery Queen Elizabeth University Hospitals Birmingham NHS Foundation TrustBirmingham B152THUK

Background:There is an ongoing debate on the feasibility,safety,and oncological efficacy of the associating liver partition and portal vein ligation for staged hepatectomy(ALPPS)*** aim of this study was to compare ALPPS,two-staged hepatectomy(TSH),and portal vein embolization(PVE)/ligation(PVL)using updated traditional meta-analysis and network meta-analysis(NMA).Data sources:Electronic databases were used in a systematic literature *** traditional metaanalysis and NMA were performed and *** and major morbidity were selected as primary ***:Nineteen studies including 1200 patients were selected from the pool of 436 *** these patients,315(31%)and 702(69%)underwent ALPPS and portal vein occlusion(PVO),*** mortality based on updated traditional meta-analysis,subgroup analysis of the randomized controlled trials(RCTs),and both Bayesian and frequentist NMA did not demonstrate significant differences between the ALPPS cohort and the PVE,PVL,and TSH ***,analysis of RCTs did not demonstrate significant differences of major morbidity between the ALPPS and PVO *** ALPPS cohort demonstrated significantly more favorable outcomes in hypertrophy parameters,time to operation,definitive hepatectomy,and R0 margins rates compared with the PVO *** contrast,1-year disease-free survival was significantly higher in the PVO cohort compared to the ALPPS ***:This study is the first to use updated traditional meta-analysis and both Bayesian and frequentist NMA and demonstrated no significant differences in 90-day mortality between the ALPPS and other hepatic hypertrophy ***,two high quality RCTs including 147 patients demonstrated no significant differences in major morbidity between the ALPPS and PVO cohorts.

关键词： ALPPS Hepatectomy Portal vein embolization Portal vein ligation Network meta-analysis

Radiofrequency combined with immunomodulation for hepatocellular carcinoma: State of the art and innovations

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world Journal of Gastroenterology 2020年第17期26卷 2040-2048页

作者： Adriano Carneiro da Costa Mikael Sodergren Kumar Jayant Fernando Santa Cruz duncan Spalding Madhava Pai Nagy Habib Department of Surgery and Cancer Faculty of MedicineHammersmith HospitalImperial College LondonLondon W120NNUnited Kingdom

Hepatocellular carcinoma(HCC)is the most common primary liver tumor and has been considered a very immunogenic *** treatment with radiofrequency ablation(RFA)has been established as the standard ablative therapy for early HCC,and is currently recognized as the main ablative tool for HCC tumorswever,progression and local recurrence remain the main disadvantages of this *** solve this clinical problem,recent efforts were concentrated on multimodal treatment,combining different strategies,including the combination of RFA and *** article reviewed the combination treatment of RFA with immunotherapy and found that this treatment strategy leads to an increased response of anti-tumor T cells,significantly reduces the risk of recurrence and improves survival rates compared to RFA *** review highlighted scientific evidence that supports the current recommendations for pre-clinical studies,and discuss the need for further research on this topic.

关键词： Hepatocellular carcinoma Radiofrequency ablation Immunotherapy Liver cancer Combined modality therapy State-of-the-art review

Affective responses to supervised 10-week programs of resistance exercise in older adults

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Journal of Sport and Health Science 2020年第6期9卷 604-613页

作者： Darren L.Richardson Michael J.duncan Alfonso Jimenez Paul M.Juris Neil D.Clarke Centre for Applied Biological&Exercise Sciences School of Life SciencesCoventry UniversityCoventry CV12DSUK Department of Kinesiology University of Massachusetts AmherstAmherstMA 01003USA

Background:Resistance exercise has numerous,well-documented benefits on the health and functional performance of older ***,little information exists on the affective responses to resistance exercise in this *** affective responses can predict continued exercise behavior,examining if and how they differ between resistance exercise intensities and frequencies in older adults may provide important data to improve resistance exercise ***:we monitored the affective responses of older adults when performing high-velocity,low-load(HVLL)or low-velocity,high-load(LVHL)resistance exercise once or twice weekly.A total of 40 moderately to highly active,but resistance-exercise naïve,older adults(60-79 years)completed 1 of 4 randomly assigned progressive resistance exercise conditions:HVLL once weekly(HVLL1:n=10),HVLL twice weekly(HVLL2:n=10),LVHL once weekly(LVHL1:n=10),or LVHL twice weekly(LVHL2:n=10).The Physical Activity Affect Scale,Felt Arousal Scale,Feeling Scale,rating of perceived exertion,Visual Analog Scale,and the Physical Activity Enjoyment Scale were used to assess enjoyment and affective ***:The results from Physical Activity Enjoyment Scale(out of 35)suggest that all exercise conditions were largely and similarly enjoyable to older adults(HVLL1:30.9±2.4;LVHL1:31.9±3.6;HVLL2:30.9±3.5;LVHL2:30.2±3.7)despite greater fatigue(p=0.033;ηp^2p=0.22)and perceived workload(p=0.042;ηp^2=0.20)in LVHL(results from Visual Analog Scale).Conclusion:Moderately to highly physically active older adults may tolerate higher intensities of resistance exercise performed once or twice weekly without experiencing a negative impact on ***,the role that supervision and social interaction played in shaping the participants’responses is unclear.

关键词： Aging Enjoyment Exercise affect Health education Older adults

Philosophy for everyone

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Philosophy for everyone

Synthesis and characterization of MH···HOR dihydrogen bonded ruthenium and osmium complexes（η~5-C_5H_4CH_2OH）MH（PPh_3）_2（M = Ru, Os）

作者： (editor.)Chrisman Matthew (editor.)Pritchard duncan

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Science China Chemistry 2014年第8期57卷 1079-1089页

作者： BAI wei TSE Sunny Kai San LEE Ka Ho SUNG Herman Ho-Yung wILLIAMS Ian duncan LIN ZhenYang JIA GuoChen Department of Chemistry Institute for Advanced Study The Hong Kong University of Science and Technology

Treatment of RuCl2(PPh3)3 with 6-dimethylaminopentafulvene in THF in the presence of water produced(η5-C5H4CHO) RuCl(PPh3)2, which was reduced by NaBH4 to give the Ru–H···HO dihydrogen bonded complex(η5-C5H4CH2OH) RuH(PPh3)2. The dihydrogen bonded complex(η5-C5H4CH2OH)RuH(PPh3)2 could also be synthesized by the reduction of complex(η5-C5H4CHO)RuH(PPh3)2, which was obtained by the reaction of RuHCl(PPh3)3 with 6-dimethylaminopentafulvene in the presence of water. The analogous dihydrogen bonded osmium complex(η5-C5H4CH2OH)OsH(PPh3)2 was similarly prepared. Single crystal structures and DFT calculations support the presence of intra-molecular H···H interaction, with separations of around 1.9 to 2.0 .

关键词： ruthenium osmium hydride dihydrogen bonding H/D exchange

Kallistatin,a new and reliable biomarker for the diagnosis of liver cirrhosis

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Acta Pharmaceutica Sinica B 2015年第3期5卷 194-200页

作者： Zhiyun Cheng Yinghui Lv Suqiu Pang Ruyu Bai Mingxi wang Shuyu Lin Tianwen Xu duncan Spalding Nagy Habib Ruian Xu School of Medicine and Institute of Molecular Medicine Huaqiao University Engineering Research Center of Molecular Medicine Ministry of Education Department of Medical Oncology the 2nd Affiliated Hospital of Fujian Medical University Department of Surgery and Cancer Faculty of MedicineImperial College London

Kallistatin, which protects organs and cells against inflammation, fibrosis and oxidative stress, is mainly synthesized and secreted in liver. However, its relationship to human liver disease remains unclear. The purpose of this study was to explore the relationship between serum kallistatin and clinical evidence of both cirrhosis and hepatocellular carcinoma (HCC), and to determine if serum kallistatin levels could be used as a diagnostic indicator of hepatic health status, especially human liver cirrhosis (LC). Our cohort consisted of 115 patients with clinically proven liver fibrosis (IT), LC, or HCC by liver biopsies, and 31 healthy controls (CON). Serum kallistatin levels were quantified by ELISA. Results of the present study demonstrated that irrespective of the underlying etiology, serum kallistatin levels were significantly lower in the LF/LC group when compared with the CON group. A decrease in serum kallistatin levels appeared to reflect the extent of cirrhosis, with the lowest levels associated with higher grades of cirrhosis. Patients with 111: had a noticeable correlation between serum kallistatin levels and other serum biochemical indicators. 'the area under the curve (AUC) for LC, viral liver cirrhosis (VLC) and alcoholic liver cirrhosis (ALC) was 0.845, 0.757 and 0.931, respectively. in conclusion, our findings demonstrated that kallistatin, a plasma protein produced by the liver, can be a useful and reliable diagnostic indicator of hepatic health status, especially for LC. (C) 2015 Chinese Pharmaceutical Association and Institute of Materia IMedica, Chinese Academy of 'Medical Sciences. Production and hosting by Elsevier B.V.

关键词： Kallistain Liver cirrhosis Biomarker Liver fibrosis Hepatocellular carcinoma

Chronic obstructive pulmonary disease in adults with human immunodeficiency virus infection: a systematic review

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Health 2011年第4期3卷 218-227页

作者： Elpis Giantsou duncan Powrie 不详

Objective: To determine the prevalence of chro- nic obstructive pulmonary disease (COPD) in adults with Human Immunodeficiency virus infection (HIV). Design: Systematic review of Medline, Embase, CINAHL, PsycINFO and references from identified papers. Study selection: Studies determining the prevalence of COPD in adults with HIV infection. Independent duplicate data extraction. Study quality was assessed in terms of whether consecutive patients were en- rolled, recruitment and follow-up periods were defined, 60% males, 60% on antiretroviral therapy. COPD was diagnosed by post-bronchodilator FEV1/FVC wer adjusted normal in one and by pre- bronchodilator FEV1/FVC was 10% - 35%, except for one study that recorded prevalence of 4% by postbronchodilator FEV1/FVC with prebronchodilator FEV1/FVC wever, definite conclusions cannot be drawn and more longitudinal studies are needed. In the meantime health care providers should be vigilant to screen for undiagnosed COPD and hesitant to attribute respiratory symptoms solely to HIV infection.

关键词： HIV COPD Systematic Review

Cotton stomatal closure under varying temperature and vapor pressure deficit,correlation with the hydraulic conductance trait

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Journal of Cotton Research 2022年第3期5卷 217-227页

作者： wEDEGAERTNER Kurt SHEKOOFA Avat PURDOM Sam wALTERS Kellie duncan Lori RAPER Tyson B Department of Plant Sciences University of Tennessee2505 E.J.Chapman Dr.KnoxvilleTN 37996USA Department of Biosystems Engineering and Soil Science University of Tennessee2506 EJ Chapman DriveKnoxvilleTN 37996USA.

Background:Cotton(Gossypium hirsutum L.)is often grown in locations characterized by high atmospheric evaporative *** has been hypothesized that plants which resist hydraulic flow under this condition will limit water use and conserve soil ***,in a series of controlled environment experiments ten cotton cultivars were exposed to two different temperature and vapor pressure deficit(VPD)conditions(i.e.,38℃,>3 kPa and 32℃,1∼1.5 kPa)as well as a progressive soil ***,individual differences in shoot hydraulic conductance(K_(shoot))was measured using a hydraulic conductance flow meter(HCFM).Physiological parameters were reported included leaf area,dry leaf weight,stomatal conductance(g_(s)),and water use efficiency coefficient(wUE_(k)).Results:Differences were observed in K_(shoot) among cultivars under the 38℃,>3 kPa but not the 32℃,1∼1.5 kPa *** the 38℃,>3 kPa environment,correlations were found between K_(shoot),stomatal conductance(gs),VPD breakpoint,wUEk,total leaf area,dry leaf weight,fraction transpirable soil water(FTSw)threshold,and slope of TR decline after FTSw ***:Results show that the ability of some cotton cultivars to restrict water loss under high evaporative demand through early stomatal closure is associated with the cultivars’K_(shoot).The K_(shoot) is influential in the limitation of TR trait under high temperature and VPD.

关键词： Cotton FTSw threshold Shoot hydraulic conductance Temperature Transpiration rate VPD

Three pulsars discovered by FAST in the globular cluster NGC 6517 with a pulsar candidate sifting code based on dispersion measure to signal-to-noise ratio plots

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Research in Astronomy and Astrophysics 2021年第6期21卷 314-320页

作者： Zhichen Pan Xiao-Yun Ma Lei Qian Lin wang Zhen Yan Jin-Tao Luo Scott M.Ransom duncan R.Lorimer Peng Jiang National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China CAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China College of Astronomy and Space Sciences University of Chinese Academy of SciencesBeijing 100049China Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 20030China National Time Service Center Chinese Academy of SciencesXi’an 710600China National Radio Astronomy Observatory CharlottesvilleVA 22903USA Department of Physics and Astronomy West Virginia UniversityMorgantownWV 26506USA Center for Gravitational waves and Cosmology West Virginia UniversityChestnut Ridge Research BuildingMorgantownWV 26505USA

we report the discovery of three new pulsars in the globular cluster(GC)NGC 6517,namely NGC 6517 E,F and G,made with the Five-hundred-meter Aperture Spherical radio Telescope(FAST).The spin periods of NGC 6517 E,F and G are 7.60 ms,24.89 ms and 51.59 ms,*** dispersion measures are 183.29,183.713 and 185.3 pc cm^(-3),respectively,all slightly larger than those of the previously known pulsars in this *** spin period derivatives are at the level of 1×10^(-18) s s^(-1),which suggests these are recycled *** addition to the discovery of these three new pulsars,we updated the timing solutions of the known isolated pulsars,NGC 6517 A,C and *** solutions are consistent with those from Lynch et *** with smaller timing *** the timing solution,NGC6517 A,B(position from Lynch et al.),C,E and F are very close to each other on the sky and only a few arcseconds from the optical core of NGC *** currently published and unpublished discoveries,nine pulsars have been discovered in NGC 651,ranking it 6 thfor GCs with the most known *** discoveries take advantage of the high sensitivity of FAST and a new algorithm used to check and filter possible candidate signals.

关键词： Pulsar-Globular Clusters Individual NGC 6517-methods analytical-surveys-FAST