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1China’s urban expansion from 1990 to 2010 determined with satellite remote sensing显示文摘Based on the same data source of Landsat TM/ETM+ in 1990s,2000s and 2010s,all urban built-up areas in China are mapped mainly by human interpretation.Mapping results were checked and refined by the same analyst with the same set of criteria.The results show during the last 20 years urban areas in China have increased exponentially more than 2 times.The greatest area of urbanization changed from Northeastern provinces in 1990s to the Southeast coast of China in Jiangsu,Guangdong,Shandong,and Zhejiang in 2010s.Urban areas are mostly converted from croplands in China.Approximately 17750 km 2 croplands were converted into urban lands.Furthermore,the conversion from 2000 to 2010 doubled that from 1990 to 2000.During the 20 years,the most urbanized provinces are Jiangsu,Guangdong,Shandong and Zhejiang.We also analyzed built-up areas,gross domestic production (GDP) and population of 147 cities with a population of greater than 500000 in 2009.The result shows coastal cities and resource-based cities are with high economic efficiency per unit of built-up areas,resource-based cities have the highest population density,and the economic efficiency of most coastal provinces are lower than central provinces and Guangdong.The newly created urban expansion dataset is useful in many fields including trend analysis of urbanization in China;simulation of urban development dynamics;analysis of the relationship among urbanization,population growth and migration;studies of carbon emissions and climate change;adaptation of climate change;as well as land use and urban planning and management.WANG Lei LI CongCong YING Qing CHENG Xiao WANG XiaoYi LI XueYan HU LuanYun LIANG Lu YU Le HUANG HuaBing GONG Peng 2012Chinese Science Bulletin2012,57,22:64
2Trends in Lipids Level and Dyslipidemia among Chinese Adults, 2002-2015显示文摘Objective To investigate the trends of lipid profiles and dyslipidemia among Chinese adults from 2002 to 2015.Methods Data were collected from three nationally representative cross-sectional surveys.Fasting venous blood samples were collected and serum lipids were tested by biochemical analysis and enzymatic determination.Lipid levels and the prevalence of dyslipidemia among adults were analyzed with complex sampling weighting adjustment for age and gender.Results The weighted means of TC, TG, and LDL-c significantly increased linearly from 3.93, 1.12, and 2.12 mmol/L in 2002 to 4.59, 1.41, and 2.78 mmol/L in 2010 and then to 4.63, 1.47, and 2.87 mmol/L in 2015, respectively;by contrast, HDL-c levels decreased significantly from 1.30 mmol/L to 1.26 mmol/L over the same period.Similar trends in mean non-HDL-c and lipid-related ratios were observed.The weighted dyslipidemia prevalence linearly increased;in particular, hypercholesterolemia increased from 1.6% to 5.6% and then to 5.8%, hypertriglyceridemia increased from 5.7% to 13.6% and then to 15.0%, low HDL-c increased from 18.8% to 35.5% and then to 24.9%, and high LDL-c increased from 1.3% to 5.6% and then to 7.2%(P for trend <0.001).Conclusion Dyslipidemia increased among Chinese adults from 2002 to 2015.Development of a comprehensive strategy to decrease lipid levels in this population is urgently required.SONG Peng Kun MAN Qing Qing LI Hong PANG Shao Jie JIA Shan Shan LI Yu Qian HE Li ZHAO Wen Hua ZHANG Jian 2019Biomedical and Environmental Sciences2019,32,8:45
3In vitro derivation of functional insulin-producing cells from human embryonic stem cells显示文摘为人的胚胎的茎(ES ) 的自强和区别的能力细胞为对待类型 Idiabetes mellitus 为胰腺的贝它细胞的产生使他们成为潜在的来源。这里,我们报导一最新发展了并且有效方法,在aserum免费的系统执行了,区分进生产胰岛素的 cells.Activin A 的导致的人的 ES 房间它在起始的阶段被使用从人的 EScells 导致权威的内胚叶区别,是由权威的内胚叶标记 Sox17 和 Brachyury.Further 的表示检测了, all-trans retinoic 酸( RA )被用来支持胰腺的区别,由早胰腺的抄写因素 pdx1 和 hlxb9 的表示显示了。在成熟 inDMEM/F12 以后有 bFGF 和菸碱的没有浆液的媒介,区分的房间表示了小岛特定的标记象 C 肽,胰岛素,胰高血糖素和 glut2 那样。百分比 ofC-peptide-positive 房间超过了 15% 。由这些房间的胰岛素和 C 肽的分泌物在葡萄糖层次对应于变化。当移植了进肾的囊时, ofStreptozotocin (STZ ) 对待裸体老鼠,这些区分的人的 ES 房间熬过并且维持贝它房间标记基因的表示包括 C 肽, pdx1, glucokinase, nkx6.1, IAPP, pax6and Tcf1。百分之三十只移植裸体老鼠展出了 stableeuglycemia 的明显的恢复;并且改正的显型被支撑超过六个星期。我们的新方法为学习人的胰开发的机制提供一个有希望的试管内区别模特儿并且说明为类型 Idiabetes mellitus 的处理使用人的 ES 房间的潜力。Wei Jiang Yan Shi Dongxin Zhao Song Chen Jun Yong Jing Zhang Tingting Qing Xiaoning Sun Peng Zhang Mingxiao Ding Dongsheng Li Hongkui Deng 2007Cell Research2007,17,4:38
4Inhibition of the B7-H3 immune checkpoint limits tumor growth by enhancing cytotoxic lymphocyte function显示文摘在肿瘤和免疫系统之间的相互作用仍然糟糕被理解。重要临床的回答在对 CTLA4 和 PD-1/PD-L1 检查点与抗体对待的癌症病人被完成了;然而,仅仅病人的小部分对治疗作出回应,显示需要探索为癌症治疗的另外的 co 禁止的分子。B7-H3, B7 总科的一个成员,被我们以前显示出禁止 T 房间激活和 autoimmunity。在这研究,我们在肿瘤免疫分析了 B7-H3 的功能。B7-H3 的表示在多重肿瘤线,渗入肿瘤的树枝状的房间,和巨噬细胞被发现。与对抗抗体对待到 B7-H3 的 B7-H3-deficient 老鼠或老鼠显示出多重肿瘤的减少的生长,它取决于 NK 和 CD8 + T 房间。与细胞毒素的淋巴细胞表示的通常认为的受体, B7-H3 禁止了他们的激活,并且它的缺乏在忍受肿瘤的鼠标导致了增加的细胞毒素的淋巴细胞功能。B7-H3 和 PD-1 的联合封锁导致了迟了阶段的肿瘤的进一步提高的治疗学的控制。一起拿,我们的结果显示 B7-H3 检查点可以对癌症为免疫疗法用作一个新奇目标。Young-hee Lee Natalia Martin-Orozco Peilin Zheng Jing Li Peng Zhang Haidong Tan Hyun Jung Park Mira Jeong Seon Hee Chang Byung-Seok Kim Wei Xiong Wenjuan Zang Li Guo Yang Liu Zhong-jun Dong Willem W Overwijk Patrick Hwu Qing Yi Larry Kwak Zhiying Yang Tak W Mak Wei-Li Laszlo G Radvanyi Ling Ni Dongfang Liu Chen Dong 2017Cell Research2017,27,8:29
5Telomerase activity in gastric cancer and its clinical implications显示文摘INTRODUCTIONThedevelopmentofcarcinomaresultsfrommultipleindependentgeneticchangesthatactivateprotooncogenesorinactivatetheac...ZHAN Wen Hua, MA Jin Ping, PENG Jun Sheng, GAO Jing Song, CAI Shi Rong, WANG Jian Ping, ZHENG Zhang Qing and WANG Lei 1999World Journal of Gastroenterology1999,5,4:25
6Advanced landfill leachate treatment using a two-stage UASB-SBR system at low temperature显示文摘A two-stage upflow anaerobic sludge blanket(UASB) and sequencing batch reactor(SBR) system was introduced to treat landfill leachate for advanced removal of COD and nitrogen at low temperature.In order to improve the total nitrogen(TN) removal efficiency and to reduce the COD requirement for denitrification,the raw leachate with recycled SBR nitrification supernatant was pumped into the first-stage UASB(UASB1) to achieve simultaneous denitrification and methanogenesis.The results showed that UASB1 played an important role in COD removal and UASB2 and SBR further enhanced the nutrient removal efficiency.When the organic loading rates of UASB1,UASB2 and SBR were 11.95,1.63 and 1.29 kg COD/(m3·day),respectively,the total COD removal efficiency of the whole system reached 96.7%.The SBR acted as the real undertaker for NH4+-N removal due to aerobic nitrification.The system obtained about 99.7% of NH4+-N removal efficiency at relatively low temperature(14.9-10.9°C).More than 98.3% TN was removed through complete denitrification in UASB1 and SBR.In addition,temperature had a significant effiect on the rates of nitrification and denitrification rather than the removal of TN and NH4+-N once the complete nitrification and denitrification were achieved.Hongwei Sun,Qing Yang,Yongzhen Peng,Xiaoning Shi,Shuying Wang,Shujun Zhang Key Laboratory of Beijing Water Quality Science and Water Envirocnnment Recovery Engineering,Beijing University of Technology,Beijing 100124,China 2010Journal of Environmental Sciences2010,22,4:26
7Size and shape control of LiFePO4 nanocrystals for better lithium ion battery cathode materials显示文摘锂铁磷酸盐(LiFePO4 ) 是为锂离子电池,而是低电子电导率和单个散开隧道的潜在的高效率阴极材料因为锂离子在这材料的合成期间要求好粒子尺寸和形状控制。在这份报纸,有不同尺寸和形状的六 LiFePO4 nanocrystals 成功地在乙烯乙二醇被综合了。形成 LiFePO4 nanocrystals 与的增加顺序 Fe-PO4-Li 帮助主要 { 010 } 暴露的脸,并且增加 LiOH 的数量在粒子尺寸导致减少。六个不同 LiFePO4 粒子的电气化学的表演证明最有希望的 LiFePO4 nanocrystals 任何一个有占优势 { 010 } 脸暴露或高特定的区域,用小铁(II ) 氧化。Caiyun Nan Jun Lu Lihong Li Lingling Li Qing Peng Yadong Li 2013Nano Research2013,6,7:25
8Human umbilical cord mesenchymal stem cells promote peripheral nerve repair via paracrine mechanisms显示文摘Human umbilical cord-derived mesenchymal stem cells(h UCMSCs) represent a promising young-state stem cell source for cell-based therapy. h UCMSC transplantation into the transected sciatic nerve promotes axonal regeneration and functional recovery. To further clarify the paracrine effects of h UCMSCs on nerve regeneration, we performed human cytokine antibody array analysis, which revealed that h UCMSCs express 14 important neurotrophic factors. Enzyme-linked immunosorbent assay and immunohistochemistry showed that brain-derived neurotrophic factor, glial-derived neurotrophic factor, hepatocyte growth factor, neurotrophin-3, basic fibroblast growth factor, type I collagen, fibronectin and laminin were highly expressed. Treatment with h UCMSC-conditioned medium enhanced Schwann cell viability and proliferation, increased nerve growth factor and brain-derived neurotrophic factor expression in Schwann cells, and enhanced neurite growth from dorsal root ganglion explants. These findings suggest that paracrine action may be a key mechanism underlying the effects of h UCMSCs in peripheral nerve repair.Zhi-yuan Guo Xun Sun Xiao-long Xu Qing Zhao Jiang Peng Yu Wang 2015Neural Regeneration Research2015,10,4:26
9Surface Active Sites on Co_(3)O_(4) Nanobelt and Nanocube Model Catalysts for CO Oxidation显示文摘CO oxidation has been performed on Co_(3)O_(4) nanobelts and nanocubes as model catalysts.The Co_(3)O_(4) nanobelts which have a predominance of exposed{011}planes are more active than Co_(3)O_(4) nanocubes with exposed{001}planes.Temperature programmed reduction of CO shows that Co_(3)O_(4) nanobelts have stronger reducing properties than Co_(3)O_(4) nanocubes.The essence of shape and crystal plane effect is revealed by the fact that turnover frequency of Co3+sites of{011}planes on Co_(3)O_(4) nanobelts is far higher than that of{001}planes on Co_(3)O_(4) nanocubes.Linhua Hu Keqiang Sun Qing Peng Boqing Xu Yadong Li 2010Nano Research2010,3,5:21
10Aerosolized Amikacin as Adjunctive Therapy of Ventilator-associated Pneumonia Caused by Multidrug-resistant Gram-negative Bacteria: A Single-center Randomized Controlled Trial显示文摘Chang Liu Yu-Ting Zhang Zhi-Yong Peng Qing Zhou Bo Hu Hui Zhou Jian-Guo Li 2017Chinese Medical Journal2017,,10:20
11The Genome of Medicinal Plant Macleaya cordata Provides New Insights into Benzylisoquinoline Alkaloids Metabolism显示文摘在动物农业和药的抗菌素的 overuse 引起了一系列潜在的威胁到公共健康。Macleaya cordata 是从 Papaveraceae 家庭的药用的植物种,提供为抗菌剂的制造的一个安全资源为家畜喂添加剂。从 M. 的活跃成分 ? cordata 被知道包括 benzylisoquinoline 碱(偏爱) 象 sanguinarine (圣) 和 chelerythrine (CHE ) 那样的 ?,而是他们的新陈代谢的小径还得在这非模型植物被学习。在 M. 的圣和 CHE 的活跃生合成 ? cordata 被喂 13标记 C 的酷氨酸。为了增加,推进卓见,我们 de novo 定序 M 的整个染色体。cordata,第一从 Papaveraceae 家庭被定序。M.? 盖住 378 Mb 的 cordata 染色体与 43.5%being 编码 22,328 预言的编码蛋白质的基因 transposable 元素。作为基础 eudicot 的一个成员, M.? cordata 染色体缺乏 ? 发生在几乎所有 eudicots 的 paleohexaploidy 事件。从 genomics 数据, 16 的一个完全的集合 ? 新陈代谢 ? 为圣和 CHE 生合成的基因被检索,并且 14 项他们的生物化学的活动被验证。这些 genomics 和新陈代谢的数据在 M. 显示出保存 BIA 新陈代谢的小径 ? cordata 并且由庄稼改进或微生物引起的小径重建为圣和 CHE 的未来生产提供知识基础。Xiubin Liu Yisong Liu Peng Huang Yongshuo Ma Zhixing Qing Qi Tang Huifen Cao Pi Cheng Yajie Zheng Zejun Yuan Yuan Zhou Jinfeng Liu Zhaoshan Tang Yixiu Zhuo Yancong Zhang Linlan Yu Jialu Huang Peng Yang Qiong Peng dinbo Zhang Wenkai Jiang Zhonghua Zhang Kui Lin Dae-Kyun Ro Xiaoya Chen Xingyao Xiong Yi Shang Sanwen Huang Jianguo Zeng 2017Molecular Plant2017,10,7:19
12Hepatitis C virus infections and genotypes in China显示文摘Objective: To define the conditions of hepatitis C vi-rus (HCV) infections, and geographic and demo-graphic distributions of genotypes in China.Methods: HCV infected patients were selected fromindividuals with different patterns of liver diseasesand high risk populations in different parts of China.Genotypes of HCV in some isolates were further ana-lyzed, based on the data from our laboratory studiesand some carefully selected published literatures.Results: The anti-HCV positive rates were 9.7% inpatients with acute hepatitis, 13.3% in patients withchronic hepatitis, 18.3% in patients with hepatocel-lular carcinoma, 33.0% in patients with liver cirrho-sis, and 43.2% in patients with posttransfusionalhepatitis (average, 16.2% in patients with liver di-seases). The anti-HCV positive rates in the high riskpopulations were 36.4% in leukemic patients,43.0% in hemodialysis patients, 12.7% in blood do-nors, 64.1% in drug abusers, 13.1% in prostitutes,and 2.57% in naturally healthy people. At least 4clades (clades 1, 2, 3 and 6) of HCV were found inChina with different geographic and demographicdistributions. Genotype 1b was the most widely dis-tributed genotype, and genotype 3 was mainly foundin Yunnan Province, Southwest China.Conclusion: China has a high incidence of HCV in-fection. Our results will provide a strategic basis fordiagnosis, treatment and possibly prophylaxis of he-patitis C virus diseases.Yuan-Ding Chen Ming-Ying Liu Wen-Lin Yu Jia-Qi Li Mei Peng Qing Dai Xiao Liu Zhen-Quan Zhou From the Central Laboratory, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming 650118, China Kunming Hospital for Infectious Diseases, Kunming 650041, China 2002Hepatobiliary & Pancreatic Diseases International2002,1,2:18
13Virus-induced accumulation of intracellular bile acids activates the TGR5-β-arrestin-SRC axis to enable innate antiviral immunity显示文摘The mechanisms on metabolic regulation of immune responses are still elusive. We show here that viral infection induces immediate-early NF-kB activation independent of viral nucleic acid-triggered signaling, which triggers a rapid transcriptional induction of bile acid (BA) transporter and rate-limiting biosynthesis enzymes as well as accumulation of intracellular BAs in divergent cell types. The accumulated intracellular BAs activate SRC kinase via the TGR5-GRK-卩-arrestin axis, which mediates tyrosine phosphorylation of multiple antiviral signaling components including RIG-I, VISA/MAVS, MITA/STING, TBK1 and IRF3. The tyrosine phosphorylation of these components by SRC conditions for efficient innate antiviral immune response. Consistently, TGR5 deficiency impairs innate antiviral immunity, whereas BAs exhibit potent antiviral activity in wild-type but not TGR5-deficient cells and mice. Our fin dings reveal an intrinsic and un iversal role of intracellular BA metabolism in innate antiviral immunity.Ming-Ming Hu Wen-Rui He Peng Gao Qing Yang Ke He Li-Bo Cao Shu Li Yu-Qi Feng Hong-Bing Shu 2019Cell Research2019,29,3:18
14Genotyping for Kidd, Kell, Duffy, Scianna, and RHCE blood group antigens polymorphisms in Jiangsu Chinese Han显示文摘LIU Zhong ZENG Rong CHEN Qing LI Min SHI Guang-yao WEI Peng HUANG Cheng-yin TANG Rong-cai SUN Jun ZHANG Xue-guang 2012Chinese Medical Journal2012,,6:18
15Porphyrin-like Fe-N4 sites with sulfur adjustment on hierarchical porous carbon for different rate-determining steps in oxygen reduction reaction显示文摘We developed a strategy based on coordination polymer to synthesize singleatom site Fe/N and S-codoped hierarchical porous carbon (Fe1/N,S-PC).The as-obtained Fe1/N,S-PC exhibited superior oxygen reduction reaction (ORR) performance with a half-wave potential (Ev2,0.904 V vs.RHE) that was better than that of commercial Pt/C (E1/2,0.86 V vs.RHE),single-atom site Fe/N-doped hierarchical porous carbon (Fe1/N-PC) without S-doped (E1/2,0.85 V vs.RHE),and many other nonprecious metal catalysts in alkaline medium.Moreover,the Fe1/N,S-PC revealed high methanol tolerance and firm stability.The excellent electrocatalytic activity of Fe1/N,S-PC is attributed to the synergistic effects from the atomically dispersed porphyrin-like Fe-N4 active sites,the heteroatom codoping (N and S),and the hierarchical porous structure in the carbon materials.The calculation based on density functional theory further indicates that the catalytic performance of Fe1/N,S-PC is better than that of Fe1/N-PC owing to the sulfur doping that yielded different rate-determining steps.Konglin Wu Xin Chen Shoujie Liu Yuan Pan Weng-Chon Cheong Wei Zhu Xing Cao Rongan Shen Wenxing Chen Jun LUO Wensheng Yan Lirong Zheng Zheng Chen Dingsheng Wang Qing Peng Chen Chen Yadong Li 2018Nano Research2018,11,12:18
16Geographical characteristics of China’s wetlands derived from remotely sensed data显示文摘In this paper, we report the first wetland mapping of the entire China using Landsat enhanced thematic mapper plus (ETM+) data. These data were obtained from the Global Land Cover Facility at the University of Maryland spanning from 1999 to 2002. A total of 597 scenes of Landsat images were georeferenced and mosaiced. Manual image interpretation of satellite images was aided with elevation data, soil data, land cover/land use data and Google Earth. The minimum mapping unit is 10 pixel × 10 pixel, equivalent to 9 ha. The aim of our first round of mapping was only targeted at the boundary delineation of any type of wetland except those wetlands that are under agricultural use (i.e., paddy fields), which has already been well mapped by others. Our interpretation results indicate that a total of 359478 km2 of wetlands are of non-agricultural use. Among our preliminarily mapped wetland, 339353 km2 are inland wetland, 2786 km2 are non-agricultural artificial wetland, and 17609 km2 are coastal wetland. Because low-tide is rarely captured in satellite images, an under-estimation of coastal wetland is inevitable. We conducted some statistics based on our mapped wetlands and compared them with those previously obtained from a number of sources including a land cover/land use map made with satellite images during the late 1990s and early 2000s, a marshland map developed in approximately the same period, survey data of coastal wetland in early 1980s, and area data for approximately 400 larger patches of marshland in China compiled in 1996. Because some inconsistencies exist in the guidelines of those different wetland surveys, difference in area is expected. Some further comparison indicates that the wetland distributions derived from the preliminary wetland map are reasonable and more objective than other sources. The mapping process also indicated that the method adopted by us was efficient and cost-effective. We also found that in order to ensure comparability of the wetland maps developed at different times, a set of standard guidelines on the wetland categories to be mapped, and the mapping methods to be used must be well conceived, developed and effectively employed. We carried out some initial geographical analysis on the distribution of wetlands.NIU ZhenGuo GONG Peng CHENG Xiao GUO JianHong WANG Lin HUANG HuaBing SHEN ShaoQing WU YunZhao WANG XiaoFeng WANG XianWei YING Qing LIANG Lu ZHANG LiNa WANG Lei YAO Qian YANG ZhenZhong GUO ZiQi DAI YongJiu 2009Science China Earth Sciences2009,52,6:15
17Relationship of Inflammation and Endothelial Dysfunction with Risks to Cardiovascular Disease among People in Inner Mongolia of China显示文摘Objective To explore the relationship of inflammation and endothelial dysfunction with risks to cardiovascular disease(CVD).Methods Blood pressure,body weight,body height,waist circumference and lifestyle risk factors were measured and studied among 2589 participants in Inner Mongolia of China,and biomarkers of inflammation and endothelial dysfunction including high-sensitivity C-reactive protein(hsCRP),soluble inter-cellular adhesion molecule-1(sICAM-1),soluble E-selectin(sE-selectin),and angiotensin II were investigated.Results Subjects with metabolic risk factors for CVD had higher levels of hsCRP,sE-selectin and sICAM-1 than those without such risk factors(all P<0.05).Levels of all biomarkers positively and significantly increased with aggregation of the metabolic risk factors among the subjects(all P for trend<0.001).Data from the multivariate analysis showed that participants with high levels of hsCRP [odds ratio(OR): 1.96,95% confidence interval(CI): 1.52-2.53],sE-selectin(OR: 1.35,95% CI: 1.05-1.72),and angiotensin II(OR: 1.81,95% CI: 1.40-2.33) were more likely to develop hypertension; participants with high levels of hsCRP(OR: 2.33,95% CI: 1.85-2.94),sE-selectin(OR: 1.24,95% CI: 1.00-1.54),and sICAM-1(OR: 1.70,95% CI: 1.30-2.22) were more likely to develop dyslipidemia,and those with high levels of hsCRP(OR: 2.95,95% CI: 2.27-3.83) and sICAM-1(OR: 2.80,95% CI: 2.06-3.80) were more likely to develop hyperglycemia.Conclusion Biomarkers of inflammation and endothelial dysfunction were separately associated with relevant metabolic risk factors for CVD.And appropriate measures should be taken to control inflammation and improve endothelial function among individuals with different metabolic risk factors for CVD.PENG Hao HAN Shu Hai LIU Hai Ying Vasisht CHANDNI CAI Xiao Qing ZHANG Yong Hong 2013Biomedical and Environmental Sciences2013,26,10:15
18ZmCOL3, a CCT gene represses flowering in maize by interfering with the circadian clock and activating expression of ZmCCT显示文摘Flowering time is a trait vital to the adaptation of flowering plants to different environments.Here, we report that CCT domain genes play an important role in flowering in maize(Zea mays L.).Among the 53 CCT family genes we identified in maize, 28 were located in flowering time quantitative trait locus regions and 15 were significantly associated with flowering time, based on candidate-gene association mapping analysis.Furthermore, a CCT gene named ZmCOL3 was shown to be a repressor of flowering.Overexpressing ZmCOL3 delayed flowering time by approximately 4 d, in either long-day or short-day conditions.The absence of one cytosine in the ZmCOL3 3'UTR and the presence of a 551 bp fragment in the promoter region are likely the causal polymorphisms contributing to the maize adaptation from tropical to temperate regions.We propose a modified model of the maize photoperiod pathway, wherein ZmCOL3 acts as an inhibitor of flowering either by transactivating transcription of ZmCCT, one of the key genes regulating maize flowering, or by interfering with the circadian clock.Minliang Jin Xiangguo Liu Wei Jia Haijun Liu Wenqiang Li Yong Peng Yanfang Du Yuebin Wang Yuejia Yin Xuehai Zhang Qing Liu Min Deng Nan Li Xiyan Cui Dongyun Hao Jianbing Yan 2018Journal of Integrative Plant Biology2018,60,6:14
19Dynamic alterations in the gut microbiota and metabolome during the development of methionine-choline-deficient diet-induced nonalcoholic steatohepatitis显示文摘AIM To investigate changes in gut microbiota and metabolism during nonalcoholic steatohepatitis(NASH) development in mice fed a methionine-choline-deficient(MCD) diet. METHODS Twenty-four male C57 BL/6 J mice were equally divided into four groups and fed a methionine-choline-sufficient diet for 2 wk(Control 2 w group,n = 6) or 4 wk(Control 4 w group,n = 6) or the MCD diet for 2 wk(MCD 2 w group,n = 6) or 4 wk(MCD 4 w group,n = 6). Liver injury,fibrosis,and intestinal barrier function were evaluated after 2 and 4 wk of feeding. The fecal microbiome and metabolome were studied using 16 s r RNA deep sequencing and gas chromatography-mass spectrometry. RESULTS The mice fed the MCD diet presented with simple hepatic steatosis and slight intestinal barrier deterioration after 2 wk. After 4 wk of feeding with the MCD diet,however,the mice developed prominent NASH with liver fibrosis,and the intestinal barrier was more impaired. Compared with the control diet,the MCD diet induced gradual gut microbiota dysbiosis,as evidenced by a marked decrease in the abundance of Alistipes and the(Eubacterium) coprostanoligenes group(P < 0.001 and P < 0.05,respectively) and a significant increase in Ruminococcaceae UCG 014 abundance(P < 0.05) after 2 wk. At 4 wk,the MCD diet significantly reduced the promising probiotic Bifidobacterium levels and markedly promoted Bacteroides abundance(P < 0.05,and P < 0.01,respectively). The fecal metabolomic profile was also substantially altered by the MCD diet: At 2 wk,arachidic acid,hexadecane,palmitic acid,and tetracosane were selected as potential biomarkers that were significantly different in the corresponding control group,and at 4 wk,cholic acid,cholesterol,arachidic acid,tetracosane,and stearic acid were selected. CONCLUSION The MCD diet induced persistent alterations in the gut microbiota and metabolome.Jian-Zhong Ye Ya-Ting Li Wen-Rui Wu Ding Shi Dai-Qiong Fang Li-Ya Yang Xiao-Yuan Bian Jing-Jing Wu Qing Wang Xian-Wan Jiang Cong-Gao Peng Wan-Chun Ye Peng-Cheng Xia Lan-Juan Li 2018World Journal of Gastroenterology2018,24,23:13
20Serum Uric Acid is Associated with the Predicted Risk of Prevalent Cardiovascular Disease in a Community-dwelling Population without Diabetes显示文摘Objective To examine the association between serum uric acid levels and cardiovascular disease risk among individuals without diabetes. Methods We investigated the association between serum uric acid levels and the risk of prevalent cardiometabolic diseases, 10-year Framingham risk for coronary heart disease, and 10-year risk for atherosclerotic cardiovascular diseases(ASCVD) among 8,252 participants aged ≥ 40 years without diabetes from Jiading district, Shanghai, China. Results Body mass index, waist circumference, blood glucose, glycated hemoglobin, blood pressure, and serum lipids increased progressively across the sex-specific quartiles of uric acid(all P trend < 0.05). Compared with individuals in the lowest quartile, those in the higher quartiles had a significantly higher prevalence of obesity, hypertension, and dyslipidemia(all P trend < 0.05). A fully adjusted logistic regression analysis revealed that individuals in the highest quartile had an increased risk of predicted cardiovascular disease compared with those in the lowest quartile of uric acid. The multivariate adjusted odds ratios(ORs) [95% confidence intervals(CIs)] for the highest quartiles for high Framingham risk were 3.00(2.00-4.50) in men and 2.95(1.08-8.43) in women. The multivariate adjusted ORs(95% CIs) for the highest quartile for high ASCVD risk were 1.93(1.17-3.17) in men and 4.53(2.57-7.98) in women. Conclusion Serum uric acid level is associated with an increased risk of prevalent obesity, hypertension, dyslipidemia, 10-year Framingham risk for coronary heart disease, and 10-year risk for ASCVD among Chinese adults without diabetes.CHENG Di DU Rui WU Xue Yan LIN Lin PENG Kui MA Li Na XU Yu XU Min CHEN Yu Hong BI Yu Fang WANG Wei Qing DAI Meng LU Jie Li 2018Biomedical and Environmental Sciences2018,31,2:13
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