维普中文期刊产品整合服务
7篇 您的检索式:作者名="Shiting Meng"
    题名 作者 年代 出处 被引量
1Rapid Urban Land Expansion in Earthquake-Prone Areas of China显示文摘A timely understanding of urban expansion in earthquake-prone areas is crucial for earthquake risk assessment and urban planning for earthquake mitigation.However, a comprehensive evaluation of urban expansion in earthquake-prone areas is lacking in China, especially in the context of rapid urbanization. Based on time series urban land data and seismic ground-motion parameter zonation maps, this study analyzed urban expansion in the most seismically hazardous areas(MSHAs) of China from1992 to 2015 on the national, regional, and city scales. The results show that urban land area in the MSHAs expanded by 6767 km^2 from 1992 to 2015, with a gain of 350%.Specifically, the increase in urban land area of small cities in the MSHAs of western China during this period was the fastest, 6.24 times greater than that at the national level. In terms of spatial patterns, the urban land patches in the MSHAs in 2015 were more fragmented than those in 1992 on all scales. The percentage of change in the number of patches and the landscape shape index of the urban land patches of small cities in the MSHAs of western China were the highest across all cities. Therefore, we believe that special attention should be paid to the cities in the MSHAs that exhibit the most rapid increases in both urban land area and fragmentation, especially the small cities in western China. It is imperative to integrate earthquake mitigation into the urban planning of these cities.Qingxu Huang Shiting Meng Chunyang He Yinyin Dou Qiang Zhang 2019International Journal of Disaster Risk Science2019,10,1:3
2Control measures during the COVID-19 outbreak reduced the transmission of hand,foot,and mouth disease显示文摘Control measures during the coronavirus disease 2019(COVID-19)outbreak may have limited the spread of infectious diseases.This study aimed to analyze the impact of COVID-19 on the spread of hand,foot,and mouth disease(HFMD)in China.A mathematical model was established to fit the reported data of HFMD in six selected cities in China's Mainland from 2015 to 2020.The absolute difference(AD)and relative difference(RD)between the reported incidence in 2020,and simulated maximum,minimum,or median incidence of HFMD in 2015-2019 were calculated.The incidence and R effof HFMD have decreased in six selected cities since the outbreak of COVID-19,and in the second half of 2020,the incidence and R effof HFMD have rebounded.The results show that the total attack rate(TAR)in 2020 was lower than the maximum,minimum,and median TAR fitted in previous years in six selected cities(except Changsha City).For the maximum,median,minimum fitted TAR,the range of RD(%)is 42·20-99·20%,36·35-98·41%48·35-96·23%(except Changsha City)respectively.The preventive and control measures of COVID-19 have significantly contributed to the containment of HFMD transmission.Yan Niu Li Luo Jia Rui Shiting Yang Bin Deng Zeyu Zhao Shengnan Lin Jingwen Xu Yuanzhao Zhu Yao Wang Meng Yang Xingchun Liu Tianlong Yang Weikang Liu Peihua Li Zhuoyang Li Chan Liu Jiefeng Huang Tianmu Chen 2021Journal of Safety Science and Resilience2021,2,2:3
3Mitochondria-localized cGAS suppresses ferroptosis to promote cancer progression显示文摘A well-established role of cyclic GMP-AMP synthase(cGAS)is the recognition of cytosolic DNA,which is linked to the activation of host defense programs against pathogens via stimulator of interferon genes(STING)-dependent innate immune response.Recent advance has also revealed that cGAS may be involved in several noninfectious contexts by localizing to subcellular compartments other than the cytosol.However,the subcellular localization and function of cGAS in different biological conditions is unclear;in particular,its role in cancer progression remains poorly understood.Here we show that cGAS is localized to mitochondria and protects hepatocellular carcinoma cells from ferroptosis in vitro and in vivo.cGAS anchors to the outer mitochondrial membrane where it associates with dynamin-related protein 1(DRP1)to facilitate its oligomerization.In the absence of cGAS or DRP1 oligomerization,mitochondrial ROS accumulation and ferroptosis increase,inhibiting tumor growth.Collectively,this previously unrecognized role for cGAS in orchestrating mitochondrial function and cancer progression suggests that cGAS interactions in mitochondria can serve as potential targets for new cancer interventions.Shiqiao Qiu Xiuying Zhong Xiang Meng Shiting Li Xiaoyu Qian Hui Lu Jin Cai Yi Zhang Mingjie Wang Zijian Ye Huafeng Zhang Ping Gao 2023Cell Research2023,33,4:2
4Electromyographic evaluation of functional electrical stimulation to injured oculomotor nerve显示文摘Functional electrical stimulation delivered early after injury to the proximal nerve stump has been proposed as a therapeutic approach for enhancing the speed and specificity of axonal regeneration following nerve injury. In this study, the injured oculomotor nerve was stimulated functionally by an implantable electrode. Electromyographic monitoring of the motor unit potential of the inferior oblique muscle was conducted for 12 weeks in two injury groups, one with and one without electric stimulation. The results revealed that, at 2, 4, 6, 8 weeks after functional electric stimulation of the injured oculomotor nerve, motor unit potentials significantly increased, such that amplitude was longer and spike duration gradually shortened. These findings indicate that the injured oculomotor nerve has the potential for regeneration and repair, but this ability is not sufficient for full functional recovery to occur. Importantly, the current results indicated that recovery and regeneration of the injured oculomotor nerve can be promoted with functional electrical stimulation.Min Yang Youqiang Meng Ningxi Zhu Xuhui Wang Liang Wan Wenchuan Zhang JunZhong Shugan Zhu Massimiliano Visocchi Shiting Li 2011Neural Regeneration Research2011,6,11:2
5Feasibility of Booster Vaccination in High-Risk Populations for Controlling Coronavirus Variants—China,2021显示文摘Introduction:Vaccination booster shots are completely necessary for controlling breakthrough infections of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)in China.The study aims to estimate effectiveness of booster vaccines for high-risk populations(HRPs).Methods:A vaccinated Susceptible-Exposed-Symptomatic-Asymptomatic-Recovered/Removed(SEIAR)model was developed to simulate scenarios of effective reproduction number(Reff)from 4 to 6.Total number of infectious and asymptomatic cases were used to evaluated vaccination effectiveness.Results:Our model showed that we could not prevent outbreaks when covering 80%of HRPs with booster unless Reff=4.0 or the booster vaccine had efficacy against infectivity and susceptibility of more than 90%.The results were consistent when the outcome index was confirmed cases or asymptomatic cases.Conclusions:An ideal coronavirus disease 2019(COVID-19)booster vaccination strategy for HRPs would be expected to reach the initial goal to control the transmission of the Delta variant in China.Accordingly,the recommendation for the COVID-19 booster vaccine should be implemented in HRPs who are already vaccinated and could prevent transmission to other groups.Kangguo Li Zeyu Zhao Hongjie Wei Jia Rui Jiefeng Huang Xiaohao Guo Yichao Guo Shiting Yang Guzainuer Abudurusuli Li Luo Xingchun Liu Yao Wang Jingwen Xu Yuanzhao Zhu Meng Yang TianlongYang Weikang Liu Bin Deng Chan Liu Zhuoyang Li Peihua Li Shanshan Yu Zimei Yang Yanhua Su Benhua Zhao Yan Niu Tianmu Chen 2021China CDC weekly2021,3,50:2
6A standardized method to create peripheral nerve injury in dogs using an automatic non-serrated forceps显示文摘This study describes a method that not only generates an automatic and standardized crush injury in the skull base, but also provides investigators with the option to choose from a range of varying pressure levels. We designed an automatic, non-serrated forceps that exerts a varying force of 0 to 100 g and lasts for a defined period of 0 to 60 seconds. This device was then used to generate a crush injury to the right oculomotor nerve of dogs with a force of 10 g for 15 seconds, resulting in a deficit in the pupil-light reflex and ptosis. Further testing of our model with Toluidine-blue staining demonstrated that, at 2 weeks post-surgery disordered oculomotor nerve fibers, axonal loss, and a thinner than normal myelin sheath were visible. Electrophysiological examination showed occasional spontaneous potentials. Together, these data verified that the model for oculomotor nerve injury was successful, and that the forceps we designed can be used to establish standard mechanical injury models of peripheral nerves.Xuhui Wang Liang Wan Xinyuan Li Youqiang MenG Ningxi Zhu Min Yang Baohui Feng Wenchuan Zhang Shugan Zhu Shiting Li 2012Neural Regeneration Research2012,7,32:0
7Contrast-enhanced CT of Pulmonary Embolism: Report of 20 cases显示文摘Objectives To study the characteristic of pulmonary embolism (PE) in contrast-enhanced CT. Methods The radiological features were described in 20 patients with lobar and proximal PE diagnosed with a Toshiba Xpress/SX CT scanner after contrast material was administrated.Results There were 7 cases of pulmonary embolism (PE) secondary to lower limb deep vein thrombosis (DVT), of which 2 cases were related to sauna bath. We grouped the cases according to their extensiveness of embolism: mild, moderate, severe, or complete embolism. Mild embolism: the emboli occupied less than 30%, of the inner diameter of pulmonary artery (PA). Median embolism: the emboli occupied 30~50% of the PA diameter. Severe embolism: the emboli occupied over half of the PA (50%), but there were contrast flow. Completed embolism: there was no contrast found around the emboli. The direct sign of PE was a filling defect or no opacification in the affected branch of pulmonary artery (PA). There were 9 other secondary signs: ①widen PA, ②enlarged right ventricle and the right atrium, ③increased translucency of the lung and decreased bronchovascular shadows,④shrunken pulmonary veins liked dried rattan,⑤decreased left atrium and the left ventricle size, ⑥shifting of interventricular septum to the left and posterior direction,⑦The lateral lung parenchyma demonstrated in a triangular shape, ⑧pleural effusion and ⑨pericardiacle effusion. Conclusions The diagnosis of PE was revealed by 10 radiological signs by contrast-enhanced CT:With full understanding of the pathophysiological basis of these 10 signs:correct diagnosis of pulmonary embolism can be made.PE is commonly caused by lower limb. And sauna bath is one of the main predisposing causes.Feng Shiting Li Ziping Chen Jingdi Meng Quanfei Li Xiangmin Kuang Jianyi Zhou Xuhui 2007South China Journal of Cardiology2007,8,2:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费