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12018 Chinese Pediatric Cardiology Society(CPCS) guideline for diagnosis and treatment of syncope in children and adolescents显示文摘Syncope belongs to the transient loss of consciousness(TLOC), characterized by a rapid onset, short duration, and spontaneous complete recovery. It is common in children and adolescents, accounting for 1% to 2% of emergency department visits.Recurrent syncope can seriously affect children's physical and mental health, learning ability and quality of life and sometimes cardiac syncope even poses a risk of sudden death. The present guideline for the diagnosis and treatment of syncope in children and adolescents was developed for guiding a better clinical management of pediatric syncope. Based on the globally recent development and the evidence-based data in China, 2018 Chinese Pediatric Cardiology Society(CPCS) guideline for diagnosis and treatment of syncope in children and adolescents was jointly prepared by the Pediatric Cardiology Society, Chinese Pediatric Society, Chinese Medical Association(CMA)/Committee on Pediatric Syncope, Pediatricians Branch, Chinese Medical Doctor Association(CMDA)/Committee on Pediatric Cardiology, Chinese College of Cardiovascular Physicians, Chinese Medical Doctor Association(CMDA)/Pediatric Cardiology Society, Beijing Pediatric Society, Beijing Medical Association(BMA). The present guideline includes the underlying diseases of syncope in children and adolescents, the diagnostic procedures, methodology and clinical significance of standing test and headup tilt test, the clinical diagnosis vasovagal syncope, postural orthostatic tachycardia syndrome, orthostatic hypotension and orthostatic hypertension, and the treatment of syncope as well as follow-up.Cheng Wang Yaqi Li Ying Liao Hong Tian Min Huang Xiangyu Dong Lin Shi Jinghui Sun Hongfang Jin Junbao Du Jindou An Jie Chen Mingwu Chen Qi Chen Sun Chen Yonghong Chen Zhi Chen Adolphus Kai-tung Chau Junbao Du Zhongdong Du Junkai Duan Hongyu Duan Xiangyu Dong Lin Feng Lijun Fu Fangqi Gong Yonghao Gui Ling Han Zhenhui Han Bing He Zhixu He Xiufen Hu Yimin Hua Guoying Huang Min Huang Ping Huang Yujuan Huang Hongfang Jin Mei Jin Bo Li Fen Li Tao Li Xiaohui Li Xiaoyan Liu Yan Li Haitao Lv Tiewei Lv Zipu Li Luyi Ma Silin Pan Yusheng Pang Hua Peng Yuming Qin Jie Shen Lin Shi Kun Sun Jinghui Sun Hong Tian Jie Tian Cheng Wang Hong Wang Lei Wang Jinju Wang Wendi Wang Yuli Wang Rongzhou Wu Tianhe Xia Yanyan Xiao Chunhong Xie Yanlin Xing Zhenyu Xiong Baoyuan Xu Yi Xu Hui Yan Shiwei Yang Qijian Yi Xia Yu Xianyi Yu Yue Yuan Hongyan Zhang Huili Zhang Li Zhang Qingyou Zhang Xi Zhang Yanmin Zhang Zhiwei Zhang Cuifen Zhao Bin Zhou Hua Zhu 2018Science Bulletin2018,63,23:54
2Validity and reliability testing of the Chinese (mainland) version of the 39-item Parkinson's Disease Questionnaire (PDQ-39)显示文摘The 39-item Parkinson's Disease Questionnaire (PDQ-39) has been tested in many languages, but not in Chinese mainland. We aimed to assess the Chinese (mainland) version of the PDQ-39. Seventy-one subjects with Parkinson's disease (PD) completed the PDQ-39 and the Medical Outcomes Study 36-item Short Form Health Survey (SF-36). All subjects were retested with the PDQ-39 a week later. The united Parkinson's disease rating scale (UPDRS) and the Hoehn and Yahr (H & Y) scale were also used to evaluate the subjects. Reliability was assessed by Cron- bach's α and intra-class correlation coefficient (ICC). Validity was examined in terms of agreement with SF-36, UPDRS, and H & Y scales. The Chinese (mainland) version of the PDQ-39 demonstrated acceptable reliability (Cronbach's α: 0.84-0.88; ICC: 0.56-0.82). The item-total correlations (0.33-0.88) and scaling success rates (77.56%) indicated satisfactory convergent and discriminant validity of the PDQ-39 items. The correlations between related constructs of the PDQ-39 and UPDRS (r=0.44-0.68) and between those of the PDQ-39 and SF-36 (r=(-0.46)-(-0.69)) were all statistically significant (P<0.01). Except for stigma, cognitions, and bodily discomfort, all other dimensions of the PDQ-39 significantly discriminated patients at different H & Y stages indicated by the H & Y scale. Although our observations indicate that some problematic subscales of this version of the PDQ-39 could be improved upon, this study suggests acceptable reliability and validity of the Chinese (mainland) version of the PDQ-39.Wei LUO Xiao-hong GUI Bo WANG Wen-ying ZHANG Zhi-yuan OUYANG Yi GUO Bao-rong ZHANG Mei-ping DING 2010Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2010,11,7:25
3Antioxidant and Anti-inflammatory Capacity of Ferulic Acid Released from Wheat Bran by Solid-state Fermentation of Aspergillus niger显示文摘Objective A strain of Aspergillus niger(A. niger), capable of releasing bound phenolic acids from wheat bran, was isolated. This strain was identified by gene sequence identification. The antioxidant and anti-inflammatory capacity of ferulic acid released from wheat bran by this A. niger strain(FA-WB) were evaluated. Methods Molecular identification techniques based on PCR analysis of specific genomic sequences were conducted; antioxidant ability was examined using oxygen radical absorbance capacity(ORAC), cellular antioxidant activity(CAA) assays, and erythrocyte hemolysis assays. RAW264.7 cells were used as a model to detect anti-inflammatory activity. Results The filamentous fungal isolate was identified to be A. niger. ORAC and CAA assay showed that FA-WB had better antioxidant activity than that of the ferulic acid standard. The erythrocyte hemolysis assay results suggested that FA-WB could attenuate AAPH-induced oxidative stress through inhibition of reactive oxy gen species(ROS) generation. FA-WB could significantly restore the AAPH-induced increase in intracellular antioxidant enzyme activities to normal levels as well as inhibit the intracellular malondialdehyde formation. TNF-?, IL-6, and NO levels indicated that FA-WB can inhibit the inflammation induced by lipopolysaccharide(LPS). Conclusion Ferulic acid released from wheat bran by a new strain of A. niger had good anti-inflammatory activity and better antioxidant ability than standard ferulic acid.YIN Zhi Na WU Wen Jia SUN Chong Zhen LIU Hui Fan CHEN Wen Bo ZHAN Qi Ping LEI Zhuo Gui XIN Xuan MA Juan Juan YAO Kun MIN Tian ZHANG Meng Meng WU Hui 2019Biomedical and Environmental Sciences2019,32,1:14
4Increase of TNFα-stimulated Osteoarthritic Chondrocytes Apoptosis and Decrease of Matrix Metalloproteinases 9 by NF-κB Inhibition显示文摘Objective To investigate the in vitro effect of caffeic acid phenethyl ester(CAPE),a NF-κB inhibitor,on the apoptosis of osteoarthritic(OA)chondrocytes and on the regulation of the gelatinases matrix metalloproteinase 2(MMP-2)and matrix metalloproteinase 9(MMP-9).Methods Annexin V-FITC/propidium iodide(PI)labeling and western blotting were used to observe and determine the apoptosis in TNFα-stimulated primary cultured osteoarthritic chondrocytes.Also,gelatin zymography was applied to examine MMP-2 and MMP-9 activities in supernatants.Results It was confirmed by both flow cytometry and western blotting that chondrocytes from OA patients have an apoptotic background.Use of CAPE in combination with 10 ng/mL of TNFα for 24 h facilitated the apoptosis.MMP-9 in the supernatant could be autoactivated(from proMMP-9 to active MMP-9),and the physiologic calcium concentration(2.5 mmol/L)could delay the autoactivation of MMP-9.The activities of MMP-2 and MMP-9 in the fresh supernatant increased significantly in response to stimulation by 10 ng/mL of TNFα for 24 h.The stimulatory effect of TNFα just on proMMP-9 was counteracted significantly by CAPE.Conclusion NF-κB could prevent chondrocytes apoptosis though its activation was attributed to the increase of proMMP-9 activity induced by TNFα(a pro-apoptotic factor).Therefore,therapeutic NF-κB inhibitor was a 'double-edged swords' to the apoptosis of chondrocytes and the secretion of MMP-9.WANG Yan LI De Ling ZHANG Xin Bo DUAN Yuan Hui WU Zhi Hong HAO Dong Sheng CHEN Bao Sheng QIU Gui Xing 2013Biomedical and Environmental Sciences2013,26,4:13
5Responses of root growth of Alhagi sparsifolia Shap. (Fabaceae) to different simulated groundwater depths in the southern fringe of the Taklimakan Desert, China显示文摘Alhagi sparsifolia Shap. (Fabaceae) is a spiny, perennial herb. The species grows in the salinized, arid regions in North China. This study investigated the response characteristics of the root growth and the distribution of one-year-old A. sparsifolia seedlings to different groundwater depths in controlled plots. The ecological adaptability of the root systems of A. sparsifolia seedlings was examined using the artificial digging method. Results showed that: (1) A. sparsifolia seedlings adapted to an increase in groundwater depth mainly through increasing the penetration depth and growth rate of vertical roots. The vertical roots grew rapidly when soil moisture content reached 3%-9%, but slowly when soil moisture content was 13%-20%. The vertical roots stopped growing when soil moisture content reached 30% (the critical soil moisture point). (2) The morphological plasticity of roots is an important strategy used by A. sparsifolia seedlings to obtain water and adapt to dry soil conditions. When the groundwater table was shallow, horizontal roots quickly expanded and tillering increased in order to compete for light resources, whereas when the groundwater table was deeper, vertical roots developed quickly to exploit space in the deeper soil layers. (3) The decrease in groundwater depth was probably responsible for the root distribution in the shallow soil layers. Root biomass and surface area both decreased with soil depth. One strategy of A. sparsifolia seedlings in dealing with the increase in groundwater depth is to increase root biomass in the deep soil layers. The relationship between the root growth/distribution of A. sparsifolia and the depth of groundwater table can be used as guidance for harvesting A. sparsifolia biomass and managing water resources for forage grasses. It is also of ecological significance as it reveals how desert plants adapt to arid environments.FanJiang ZENG Cong SONG HaiFeng GUO Bo LIU WeiCheng LUO DongWei GUI Stefan ARNDT DaLi GUO 2013Journal of Arid Land2013,5,2:13
6High-detectivity InAs nanowire photodetectors with spectral response from ultraviolet to near-infrared显示文摘InAs 是直接、狭窄的乐队差距(0.354 eV ) 材料与超离频电子活动性,并且潜在地在宽 UV-visible-near-infrared 区域的一个好 optoelectronic 设备候选人。在这个工作,我们报导 InAs 基于 nanowire 的光电探测器的制造,它在一个女人上显示出很高的 photoresponse 光谱从 300 ~ 1,100 nm 的范围。responsivity,外部量效率和设备的 detectivity 分别地被测量是有用在一台原子力量显微镜(AFM ) 之间产生的高静电的地的 nanoscopic 精确的 4.4 张 y 还原剂 graphene 氟化物(GF ) 表尖端和 GF 底层。由电场的氟的符号的减小急速地与表抵抗力与 105-1,800 nm 的宽度生产 graphene nanoribbons (GNR ) 减少了从 > 1 T ????????  ?  ?Zhe Liu Tao Luo Bo Liang Gui Chen Gang Yu Xuming Xie Di Chen Guozhen Shen 2013Nano Research2013,6,11:12
7Association between Plasma Metal Levels and Diabetes Risk: a Case-control Study in China显示文摘Objective Many metals, some of which have been classified as environmental endocrine disruptors, are used extensively in everyday consumer products and are ubiquitous in our living environment. In the present study, we aimed to explore the associations between the prevalence risk of type 2 diabetes and plasma levels of 20 trace elements as well as those of heavy metals in a Han Chinese population. Methods We conducted a case-control study to investigate the associations between plasma concentrations of 20 metals and diabetes in Jiangsu province. A total of 122 newly diagnosed cases of type 2 diabetes and 429 matched controls were recruited from community physical examinations in Suzhou City of Jiangsu Province. Plasma metal levels were measured by inductively-coupled plasma mass spectrometry. Results After adjusting for confounders, plasma vanadium, chromium, manganese, copper, zinc, arsenic, selenium, strontium, palladium, cadmium, cesium, and barium were associated with diabetes risk(P < 0.05). The adjusted OR increased with increasing concentration of vanadium, manganese, copper, zinc, and cesium. Conclusion Many metals, including manganese, copper, zinc, arsenic, selenium, and cadmium in plasma, are associated with the morbidity of diabetes. Monitoring of environmental metal levels and further studies are urgently needed.LI Xiu Ting YU Peng Fei GAO Yan GUO Wen Hui WANG Jun LIU Xin GU Ai Hua JI Gui Xiang DONG Qiu WANG Bo Shen CAO Ying ZHU Bao Li XIAO Hang 2017Biomedical and Environmental Sciences2017,30,7:8
8Association of Overlapped and Un-overlapped Comorbidities with COVID-19 Severity and Treatment Outcomes: A Retrospective Cohort Study from Nine Provinces in China显示文摘Objective Several COVID-19 patients have overlapping comorbidities. The independent role of each component contributing to the risk of COVID-19 is unknown, and how some non-cardiometabolic comorbidities affect the risk of COVID-19 remains unclear.Methods A retrospective follow-up design was adopted. A total of 1,160 laboratory-confirmed patients were enrolled from nine provinces in China. Data on comorbidities were obtained from the patients’ medical records. Multivariable logistic regression models were used to estimate the odds ratio(OR) and 95% confidence interval(95% CI) of the associations between comorbidities(cardiometabolic or non-cardiometabolic diseases), clinical severity, and treatment outcomes of COVID-19.Results Overall, 158(13.6%) patients were diagnosed with severe illness and 32(2.7%) had unfavorable outcomes. Hypertension(2.87, 1.30–6.32), type 2 diabetes(T2 DM)(3.57, 2.32–5.49),cardiovascular disease(CVD)(3.78, 1.81–7.89), fatty liver disease(7.53, 1.96–28.96), hyperlipidemia(2.15, 1.26–3.67), other lung diseases(6.00, 3.01–11.96), and electrolyte imbalance(10.40, 3.00–26.10)were independently linked to increased odds of being severely ill. T2 DM(6.07, 2.89–12.75), CVD(8.47,6.03–11.89), and electrolyte imbalance(19.44, 11.47–32.96) were also strong predictors of unfavorable outcomes. Women with comorbidities were more likely to have severe disease on admission(5.46,3.25–9.19), while men with comorbidities were more likely to have unfavorable treatment outcomes(6.58, 1.46–29.64) within two weeks.Conclusion Besides hypertension, diabetes, and CVD, fatty liver disease, hyperlipidemia, other lung diseases, and electrolyte imbalance were independent risk factors for COVID-19 severity and poor treatment outcome. Women with comorbidities were more likely to have severe disease, while men with comorbidities were more likely to have unfavorable treatment outcomes.MA Yan ZHU Dong Shan CHEN Ren Bo SHI Nan Nan LIU Si Hong FAN Yi Pin WU Gui Hui YANG Pu Ye BAI Jiang Feng CHEN Hong CHEN Li Ying FENG Qiao GUO Tuan Mao HOU Yong HU Gui Fen HU Xiao Mei HU Yun Hong HUANG Jin HUANG Qiu Hua HUANG Shao Zhen JI Liang JIN Hai Hao LEI Xiao LI Chun Yan LI Min Qing LI Qun Tang LI Xian Yong LIU Hong De LIU Jin Ping LIU Zhang MA Yu Ting MAO Ya MO Liu Fen NA Hui WANG Jing Wei SONG Fang Li SUN Sheng WANG Dong Ting WANG Ming Xuan WANG Xiao Yan WANG Yin Zhen WANG Yu Dong WU Wei WU Lan Ping XIAO Yan Hua XIE Hai Jun XU Hong Ming XU Shou Fang XUE Rui Xia YANG Chun YANG Kai Jun YUAN Sheng Li ZHANG Gong Qi ZHANG Jin Bo ZHANG Lin Song ZHAO Shu Sen ZHAO Wan Ying ZHENG Kai ZHOU Ying Chun ZHU Jun Teng ZHU Tian Qing ZHANG Hua Min WANG Yan Ping WANG Yong Yan 2020Biomedical and Environmental Sciences2020,33,12:8
9Synthesis and plant-growth regulatory activities of novel imine derivatives containing 1H-1,2,4-triazole and thiazole rings显示文摘Eleven new imine derivatives 6 containing 1H-1,2,4-triazole and thiazole rings were synthesized by the condensation of 5-((1H- 1,2,4-triazol-1-yl)methyl)-4-tert-butylthiazol-2-amine with various substituted benzaldehydes.The structures of the title compounds were characterized by ~1H NMR,MS and elemental analysis.The plant-growth regulatory activities of these compounds were evaluated.The primary bioassay results indicated that these target compounds exhibited promising plant-growth regulatory activities...Qin, Xue Yu, Hai Bo Dai, Hong Qin, Zhen Fang Zhang, Xin Bing, Gui Fang Wang, Ting Ting Fang, Jian Xin 2010Chinese Chemical Letters2010,21,3:6
10Protective Effect of Angiotensin(1-7) on Silicotic Fibrosis in Rats显示文摘Objective Silicosis, caused by inhalation of silica dust, is the most serious occupational disease in China and the aim of present study was to explore the protective effect of Ang (1-7) on silicotic fibrosis and myofibroblast differentiation induced by Ang Ⅱ. Methods HOPE-MED 8050 exposure control apparatus was used to establish the rat silicosis model. Pathological changes and collagen deposition of the lung tissue were examined by H.E. and VG staining, respectively. The localizations of ACE2 and a-smooth muscle actin (a-SMA) in the lung were detected by immunohistochemistry. Expression levels of collagen type Ⅰ, a-SMA, ACE2, and Mas in the lung tissue and fibroblasts were examined by western blot. Levels of ACE2, Ang (1-7), and Ang Ⅱ in serum were determined by ELISA. Co-localization of ACE2 and a-SMA in fibroblasts was detected by immunofluorescenee. Results Ang (1-7) induced pathological changes and enhanced collagen deposition in vivo. Ang (1-7) decreased the expressions of collagen type Ⅰ and a-SMA and increased the expressions of ACE2 and Mas in the silicotic rat lung tissue and fibroblasts stimulated by Ang Ⅱ. Ang (1-7) in creased the levels of ACE2 and Ang (1-7) and decreased the level of Ang Ⅱ in silicotic rat serum. A779 enhanced the protective effect of Ang (1-7) in fibroblasts stimulated by Ang Ⅱ. Conclusion Ang (1-7) exerted protective effect on silicotic fibrosis and myofibroblast differentiation induced by Ang Ⅱ by regulating ACE2-Ang (l-7)-Mas axis.ZHANG Bo Nan XU Hong GAO Xue Min ZHANG Gui Zhen ZHANG Xin YANG Fang 2019Biomedical and Environmental Sciences2019,32,6:5
11Altered Expression of Matrix Metalloproteinases and Tight Junction Proteins in Rats following PEMF-Induced BBB Permeability Change显示文摘Objective To investigate the expression of occludin,ZO‐1,MMP‐2,and MMP‐9 in cerebral microvasculature following Pulse Electromagnetic Field(PEMF) induced BBB permeability change.Methods Sprague‐Dawley rats were randomized into PEMF and sham exposed groups(n=8).After exposure to PEMF at 0.5,1,3,6,and 12 h,BBB permeability was measured by Evans‐Blue extravasation.The expression of occludin,ZO‐1,MMP‐2,and MMP‐9 were detected by real‐time quantitative reverse transcriptase PCR and western blotting.MMP‐2 and MMP‐9 activity were detected by EnzChek gelatinase assay.Results Compared with the sham group,PEMF exposure led to increased permeability of the BBB to EB,which was prolonged after exposure.BBB permeability became progressively more severe,and recovered at 6 h.The gene and protein expression of occludin and ZO‐1 were significantly decreased,while MMP‐2 and MMP‐9 expression were significantly increased after exposure to PEMF.All levels of expression recovered 12 h following PEMF.Conclusion Changes to BBB permeability were related to the alteration expression of tight junction proteins and matrix metalloproteinase after exposure to PEMF.ZHANG Ya Mei ZHOU Yan QIU Lian Bo DING Gui Rong PANG Xiao Feng 2012Biomedical and Environmental Sciences2012,25,2:5
12Clinical features, survival and prognostic factors of primary testicular diffuse large B-cell lymphoma显示文摘Objective: To assess the clinical features, survival and prognostic factors of primary testicular diffuse large B-cell lymphoma(DLBCL).Methods: A retrospective study of 37 patients with primary testicular DLBCL was carried out from November 2003 to May 2012. Their clinical features, survival and prognostic factors were analyzed.Results: During a median follow-up period of 39.8 months(5.4-93.0 months), the median progression-free survival(PFS) was 26.2 months(95% CI: 0-65 months) and the 3-year overall survival(OS) rate was 78.4%. Within the whole cohort, the factors significantly associated with a superior PFS were limited stage(stage I/II), lactate dehydrogenase(LDH) ≤245 U/L, international prognostic index(IPI) ≤1, primary tumor diameter <7.5 cm, and patients who had complete response(CR) and received doxorubicin-contained chemotherapy(P<0.05). There was a trend toward superior outcome for patients who received combined therapy(surgery/chemotherapy/radiotherapy)(P=0.055). Patients who had CR, primary tumor diameter <7.5 cm and IPI score ≤1 were significantly associated with longer PFS at multivariate analysis.Conclusions: Primary testicular DLBCL had poorer survival. CR, primary tumor diameter and IPI were independent prognostic factors. The combined therapy of orchectomy, doxorubicin-contained chemotherapy and contralateral testicular radiotherapy(RT) seemed to improve survival.Bo Jia Yuankai Shi Mei Dong Fengyi Feng Sheng Yang Hua Lin Liqiang Zhou Shengyu Zhou Shanshan Chen Jianliang Yang Peng Liu Yan Qin Changgong Zhang Lin Gui Lin Wang Xue Wang Xiaohui He 2014Chinese Journal of Cancer Research2014,26,4:5
13Preparation and characterization of hexadecane microcapsule with polyurea-melamine formaldehyde resin shell materials显示文摘This paper gives a brief report of the preparation of hexadecane microcapsule with polyurea-melamine formaldehyde resin shell materials(HMPM).The sealing performance and thermal stability of HMPM was enhanced much more effectively than that of microcapsule with polyurea shell material(HPM).The results of microscopical imaging analysis system,DSC,TG,and laser particle analyzer were briefly introduced.Gao, Gui Bo Qian, Chun Xiang Gao, Min Jie 2010Chinese Chemical Letters2010,21,5:5
14Root characteristics of Alhagi sparsifolia seedlings in response to water supplement in an arid region,northwestern China显示文摘The effect of variation in water supply on woody seedling growth in arid environments remain poorly known.The subshrub Alhagi sparsifolia Shap.(Leguminosae),distributed in the southern fringe of the Taklimakan Desert,Xinjiang,northwestern China,has evolved deep roots and is exclusively dependent on groundwater,and performs a crucial role for the local ecological safety.In the Cele oasis,we studied the responses of A.sparsifolia seedling roots to water supplement at 10 and 14 weeks under three irrigation treatments(none water supply of 0 m3/m2(NW),middle water supply of 0.1 m3/m2(MW),and high water supply of 0.2 m3/m2(HW)).The results showed that the variations of soil water content(SWC) significantly influenced the root growth of A.sparsifolia seedlings.The leaf area,basal diameter and crown diameter were significantly higher in the HW treatment than in the other treatments.The biomass,root surface area(RSA),root depth and relative growth rate(RGR) of A.sparsifolia roots were all significantly higher in the NW treatment than in the HW and MW treatments at 10 weeks.However,these root parameters were significantly lower in the NW treatment than in the other treatments at 14 weeks.When SWC continued to decline as the experiment went on(until less than 8% gravimetric SWC),the seedlings still showed drought tolerance through morphological and physiological responses,but root growth suffered serious water stress compared to better water supply treatments.According to our study,keeping a minimum gravimetric SWC of 8% might be important for the growth and establishment of A.sparsifolia during the early growth stage.These results will not only enrich our knowledge of the responses of woody seedlings to various water availabilities,but also provide a new insight to successfully establish and manage A.sparsifolia in arid environments,further supporting the sustainable development of oases.DongWei GUI FanJiang ZENG Zhen LIU Bo ZHANG 2013Journal of Arid Land2013,5,4:5
15Postsynthetic Modification of Metal-Organic Frameworks through Click Chemistry显示文摘金属器官的框架(MOF ) 的 postsynthetic 修正(PSM ) 作为一个强大的工具出现了化学上定制 MOF 的内部。在这评论,我们通过按化学总结 MOF 的 PSM 的研究进步,包括叠氮化物炔属羟按反应和 thiol-ene 反应。Bo Gui Xiangshi Meng Hai Xu Cheng Wang 2016Chinese Journal of Chemistry2016,34,2:5
16Ladder-like metal oxide nanowires: Synthesis, electrical transport, and enhanced light absorption properties显示文摘Bo Liang Hongtao Huang Zhe Liu Gui Chen Gang Yu Tao Luo Lei Liao Di Chen Guozhen Shen 2014Nano Research2014,7,2:4
17Long-term adenosine A1 receptor activation-induced sortilin expression promotes α-synuclein upregulation in dopaminergic neurons显示文摘Prolonged activation of adenosine A1 receptor likely leads to damage of dopaminergic neurons and subsequent development of neurodegenerative diseases.However,the pathogenesis underlying long-term adenosine A1 receptor activation-induced neurodegeneration remains unclear.In this study,rats were intraperitoneally injected with 5 mg/kg of the adenosine A1 receptor agonist N6-cyclopentyladenosine(CPA)for five weeks.The mobility of rats was evaluated by forced swimming test,while their cognitive capabilities were evaluated by Y-maze test.Expression of sortilin,α-synuclein,p-JUN,and c-JUN proteins in the substantia nigra were detected by western blot analysis.In addition,immunofluorescence staining of sortilin andα-synuclein was performed to detect expression in the substantia nigra.The results showed that,compared with adenosine A1 receptor antagonist 8-cyclopentyl-1,3-dipropylxanthine(5 mg/kg)+CPA co-treated rats,motor and memory abilities were reduced,surface expression of sortin andα-synuclein in dopaminergic neurons was reduced,and total sortilin and totalα-synuclein were increased in CPA-treated rats.MN9D cells were incubated with 500 nM CPA alone or in combination with 10μM SP600125(JNK inhibitor)for 48 hours.Quantitative real-time polymerase chain reaction analysis of sortilin andα-synuclein mRNA levels in MN9D cells revealed upregulated sortilin expression in MN9D cells cultured with CPA alone,but the combination of CPA and SP600125 could inhibit this expression.Predictions made using Jasper,PROMO,and Alibaba online databases identified a highly conserved sequence in the sortilin promoter that was predicted to bind JUN in both humans and rodents.A luciferase reporter assay of sortilin promoter plasmid-transfected HEK293T cells confirmed this prediction.After sortilin expression was inhibited by sh-SORT1,expression of p-JUN and c-JUN was detected by western blot analysis.Long-term adenosine A1 receptor activation levels upregulatedα-synuclein expression at the post-transcriptional level by affecting sortilin expression.The online tool Raptor-X-Binding and Discovery Studio 4.5 prediction software predicted that sortilin can bind toα-synuclein.Co-immunoprecipitation revealed an interaction between sortilin andα-synuclein in MN9D cells.Our findings indicate that suppression of prolonged adenosine A1 receptor activation potently inhibited sortilin expression andα-synuclein accumulation,and dramatically improved host cognition and kineticism.This study was approved by the University Committee of Animal Care and Supply at the University of Saskatchewan(approval No.AUP#20070090)in March 2007 and the Animals Ethics Committee of University of South China(approval No.LL0387-USC)in June 2017.Yun-Cheng Lv An-Bo Gao Jing Yang Li-Yuan Zhong Bo Jia Shu-Hui Ouyang Le Gui Tian-Hong Peng Sha Sun Francisco S.Cayabyab 2020Neural Regeneration Research2020,15,4:4
18Two new alkaloids from the leaves of Uncaria hirsuta Haviland显示文摘二新碱, uncaric 酸 A 和 hirsutaside A,从 Uncaria hirsuta 被孤立。他们的结构被分光镜的证据和化学工具决定。Wen Bo Xin Gui Xin Chou Zheng Tao Wang 2008Chinese Chemical Letters2008,19,8:4
19Insights into the Bamboo Genome:Syntenic Relationships to Rice and Sorghum显示文摘Bamboo occupies an important phylogenetic node in the grass family and plays a significant role in the forest industry.We produced 1.2 Mb of tetraploid moso bamboo (Phyllostachys pubescens E.Mazel ex H.de Leh.) sequences from 13 bacterial artificial chromosome (BAC) clones,and these are the largest genomic sequences available so far from the subfamily Bambusoideae.The content of repetitive elements (36.2%) in bamboo is similar to that in rice.Both rice and sorghum exhibit high genomic synteny with bamboo,which suggests that rice and sorghum may be useful as models for decoding Bambusoideae genomes.Yi-Jie Gui Yan Zhou Yu Wang Sheng Wang Sheng-Yue Wang Yan Hu Shi-Ping Bo Huan Chen Chang-Ping Zhou Nai-Xun Ma Tian-Zhen Zhang Long-Jiang Fan 2010Journal of Integrative Plant Biology2010,52,11:3
20Addition of rituximab is not associated with survival benefit compared with CHOP alone for patients with stage I diffuse large B-cell lymphoma显示文摘Background:The role of rituximab in combination with CHOP regimen in patients with stage I diffuse large B-cell lymphoma(DLBCL) remains to be defined.We aimed to compare CHOP plus rituximab(R-CHOP) with CHOP alone and determine the value of radiotherapy in these patients.Methods:Between 2003 and 2009,140 untreated patients with stage I DLBCL were retrospectively analyzed in this study.Results:Seventy-eight patients were treated in R-CHOP group and 62 in CHOP group.Ninety-one patients received additional radiotherapy at the end of chemotherapy.The different treatment groups were well-balanced with respect to baseline characteristics.Complete response(CR) rate was 77% both in R-CHOP and CHOP groups(P=0.945).After a median follow-up period of 56 months,patients received R-CHOP regimen had similar 5-year progression-free survival(PFS)(76%vs.85%;log-rank P=0.215)and 5-year overall survival(OS)(90%vs.96%;log-rank P=0.175) compared with those with CHOP alone.Patients with radiotherapy had significantly increased 5-year PFS compared with those who had chemotherapy alone(86%vs.71%;log-rank P=0.005).At multivariate analysis,patients who had CR(P=0.008) and received radiotherapy(P=0.003) were significantly associated with superior PFS.Conclusions:CHOP alone could be as effective as R-CHOP regimen and additional radiotherapy would be necessary for stage I or stage I non-bulky DLBCL patients.Bo Jia Yuankai Shi Suyi Kang Sheng Yang Shaoxuan Hu Yexiong Li Mei Dong Weihu Wang Jianliang Yang Liqiang Zhou Peng Liu Shengyu Zhou Yan Qin Lin Gui Changgong Zhang Hua Lin Shanshan Chen Lin Wang Xiaohui He 2015Chinese Journal of Cancer Research2015,27,5:2
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