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| 1 | Changes of net primary productivity in China during recent 11 years detected using an ecological model driven by MODIS data显示文摘网主要生产率(NPP ) 是陆上的碳周期的一个重要部件。精确地在中国印射 NPP 的空间时间的变化为全球碳骑车是关键的学习。在这研究,基于过程的北方的生态系统生产率模拟器(BEPS ) 被采用从 2000 ~ 2010 为时期在中国的生态系统学习 NPP 的变化。BEPS 模型首先用在在不同区域测量的典型流动地点和森林 NPP 测量的粗野主要生产率(GPP ) 被验证。然后,它与叶区域索引( LAI )被驾驶从中等分辨率成像分光辐射函数( MODIS )反射和陆地盖子产品和气象学的数据的 inversed 在 753 个国家基本气象学的车站从观察插入内推从1月1日在每日的时间步和 500 m 的空间分辨率模仿 NPP , 2000 到2010年12月31日。确认证明 BEPS 能在中国的不同区域捕获基于塔的 GPP 的季节的变化和森林 NPP 的空间可变性。年度 NPP 的估计的国家总数从 2.63 变化了到 2.84Pg C 獥吗? | Yibo LIU Weimin JU Honglin HE Shaoqiang WANG Rui SUN Yuandong ZHANG | 2013 | Frontiers of Earth Science2013，7，1： | 30 |
| 2 | Efficacy and safety of 0.4 percent sodium hyaluronate for endoscopic submucosal dissection of gastric neoplasms显示文摘AIM:To evaluate the efficacy and safety of sodium hyaluronate solution(SH) in endoscopic submucosal dissection(ESD) of gastric neoplasms.METHODS:A prospective multicenter randomized,double blind,controlled trial was designed and utilized in this study.A total of 76 patients with 5-20 mm sized gastric neoplasms were enrolled at three academic hospitals in South Korea from June 2011 to October 2011.Patients were randomly assigned to the 0.4% sodium hyaluronate or control groups.All lesions underwent endoscopic ESD.ESD was performed with 0.4%SH and normal saline(NS) solution for submucosal injection.Efficacy was assessed using en bloc resection and the number of additional injections.Secondary evaluation variables were the volume of injection material,steepness of mucosal elevation,bleeding rate,procedural time and operator satisfaction.Finally,the safety was assessed by analyzing adverse events during the study.RESULTS:The usefulness rate in the 0.4%SH group and the controlled group had statistically significant difference under intention to treat(ITT) analysis(90.91% vs 61.11% P = 0.0041).Under per protocol(PP),the usefulness rate is statistically significant different(93.10% vs 61.76%,P = 0.0036).The difference in volume of the solution injected between 0.4%SH group and the controlled group and NS group was also statistically significant under intention to treat and per protocol analysis(ITT:0.03 ± 0.02 mL vs 0.06 ± 0.03 mL,P = 0.0003,PP:0.03 ± 0.02 mL vs 0.06 ± 0.03 mL,P = 0.0004).Satisfaction above the grade good was significantly higher in the SH group under intention to treat and per protocol analysis(ITT:90.91% vs 61.11%,P = 0.0041,PP = 93.11% vs 61.77%,P = 0.0022).Adverse events above grade 3 were not noticed in either group.All adverse events were treated and were judged as not associated with the submucosal injection solutions.CONCLUSION:0.4%SH solution is a safe and effective agent that doesn't cause any significant adverse events and is useful for submucosal injection during ESD. | Young Dae Kim Jun Lee Ju Yeon Cho Seok Won Kim Seong Hwan Kim Young Kwan Cho Jin Seok Jang Ji Sun Han Joo Young Cho | 2013 | World Journal of Gastroenterology2013，19，20： | 26 |
| 3 | Effect of temperature and moisture on soil organic carbon mineralization of predominantly permafrost peatland in the Great Hing'an Mountains,Northeastern China显示文摘Boreal peatlands represent a large global carbon pool.The relationships between carbon mineralization,soil temperature and moisture in the permafrost peatlands of the Great Hing'an Mountains,China,were examined.The CO2 emissions were measured during laboratory incubations of samples from four sites under different temperatures(5,10,15,and 20°C) and moisture contents(0%,30%,60%,100% water holding capacity(WHC) and completely water saturated).Total carbon mineralization ranged from 15.51 to 112.92 mg C under the treatments for all sites.Carbon mineralization rates decreased with soil depth,increased with temperature,and reached the highest at 60% WHC at the same temperature.The calculated temperature coefficient(Q10) values ranged from 1.84 to 2.51 with the soil depths and moisture.However,the values were not significantly affected by soil moisture and depth for all sites due to the different peat properties(P > 0.05).We found that the carbon mineralization could be successfully predicted as a two-compartment function with temperature and moisture(R2 > 0.96) and total carbon mineralization was significantly affected by temperature and moisture(P < 0.05).Thus,temperature and moisture would play important roles in carbon mineralization of permafrost peatlands in the Great Hing'an Mountains,indicating that the permafrost peatlands would be sensitive to the environment change,and the permafrost peatlands would be potentially mineralized under future climate change. | Xianwei Wang Xiuzhen Li Yuanman Hu Jiujun Lv Ju Sun Zongmei Li Zhifeng Wu | 2010 | Journal of Environmental Sciences2010，22，7： | 26 |
| 4 | Microwave photocatalytic degradation of Rhodamine B using TiO_2 supported on activated carbon:Mechanism implication显示文摘The photocatalytic degradation of Rhodamine B(RhB) was carried out using TiO2 supported on activated carbon(TiO2-AC) under microwave irradiation.Composite catalyst TiO2-AC was prepared and characterized using X-ray diffraction(XRD),transmission electron microscopy(TEM) and Brunauer-Emmett-Teller(BET).In the process of microwave-enhanced photocatalysis(MPC),RhB(30 mg/L) was almost completely decoloured in 10 min,and the mineralization effciency was 96.0% in 20 min.The reaction rate constant of RhB in MPC using TiO2-AC by pseudo first-order reaction kinetics was 4.16 times of that using Degussa P25.Additionally,according to gas chromatography/mass spectrometry(GC/MS) and liquid chromatography/mass spectrometry(LC/MS) identification,the major intermediates of RhB in MPC included two kinds of N-de-ethylation intermediates(N,N-diethyl-N'-ethyl-rhodamine(DER)),oxalic acid,malonic acid,succinic acid,and phthalic acid,maleic acid,3-nitrobenzoic acid,and so on.The degradation of RhB in MPC was mainly attributed to the destruction of the conjugated structure,and then the intermediates transformed to acid molecules which were mineralized to water and carbon dioxide. | HE Zhong,YANG Shaogui,JU Yongming,SUN Cheng State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University,Nanjing 210093,China. | 2009 | Journal of Environmental Sciences2009，21，2： | 22 |
| 5 | IL-17 response mediates acute lung injury induced by the 2009 Pandemic Influenza A (HIN1) Virus显示文摘 | Chenggang Li Penghui Yang Yang Sun Taisheng Li Chen Wang Zhong Wang Zhen Zou Yiwu Yan Wei Wang Chen Wang Zhongwei Chen Li Xing Chong Tang Xiangwu Ju Feng Guo Jiejie Deng Yan Zhao Peng Yang Jun Tang Huanling Wang Zhongpeng Zhao Zhinan Yin Bin Cao Xiliang Wang Chengyu Jiang | 2012 | Cell Research2012，22，3： | 22 |
| 6 | Sweet potato and potato residual flours as potential nutritional and healthy food material显示文摘In this study,the proximate composition,mineral content and amino acid composition of starch processing residues from 10 cultivars of sweet potato and 10 cultivars of potato were determined,and the nutritional and health-related values of these residues were investigated.The residual flours contained 20.63–31.48 g and 17.14–28.57 g rich dietary fiber per 100 g dry weight for sweet potato and potato,respectively,as well as mineral elements,including potassium,ferrum,zinc and copper.The highest limiting amino acid score(AAS) of the almost balanced amino acid composition were observed to be 71.07 and 57.96 for sweet potato and potato residues,respectively.A grey relational analysis showed that the nutritional values of Jishu 4 at 0.7519 and LT-5 at 0.7281 were the highest among the sweet potato and potato residues,respectively.The evaluation of the sweet potato/potato residues,the by-products of the starch industry,based on recommended daily intake(RDI) standards,indicated that the residues have potential nutritional and health-related food values. | JU Dong MU Tai-hua SUN Hong-nan | 2017 | Journal of Integrative Agriculture2017，16，11： | 22 |
| 7 | Blockade of Tim-3 Pathway Ameliorates Interferon-γ Production from Hepatic CD8^+ T Cells in a Mouse Model of Hepatitis B Virus Infection显示文摘T cell immunoglobulin-and mucin-domain-containing molecule-3(Tim-3) has been reported to participate in the pathogenesis of inflammatory diseases. However,whether Tim-3 is involved in hepatitis B virus(HBV) infection remains unknown. Here,we studied the expression and function of Tim-3 in a hydrodynamics-based mouse model of HBV infection. A significant increase of Tim-3 expression on hepatic T lymphocytes,especially on CD8+ T cells,was demonstrated in HBV model mice from day 7 to day 18. After Tim-3 knockdown by specific shRNAs,significantly increased IFN-γ production from hepatic CD8+ T cells in HBV model mice was observed. Very interestingly,we found Tim-3 expression on CD8+ T cells was higher in HBV model mice with higher serum anti-HBs production. Moreover,Tim-3 knockdown influenced anti-HBs production in vivo. Collectively,our data suggested that Tim-3 might act as a potent regulator of antiviral T-cell responses in HBV infection. | Ying Ju Nan Hou Xiaoning Zhang Di Zhao Ying Liu Jinjin Wang Fang Luan Wei Shi Faliang Zhu Wensheng Sun Lining Zhang Chengjiang Gao Lifen Gao Xiaohong Liang Chunhong Ma | 2009 | Cellular & Molecular Immunology2009，6，1： | 19 |
| 8 | Numerical analysis of the failure process of soil-rock mixtures through computed tomography and PFC3D models显示文摘 | Yang Ju Huafei Sun Mingxu Xing Xiaofei Wang Jiangtao Zheng | 2018 | International Journal of Coal Science & Technology2018，5，2： | 17 |
| 9 | The comprehensive effects of hyperlipidemia and hyperhomocysteinemia on pathogenesis of atherosclerosis and DNA hypomethylation in ApoE-/- mice显示文摘动脉粥样硬化(作为) 疾病被多重因素导致,包括基因、环境的元素。现在的学习的目的是在致病上调查高胆固醇,高蛋氨酸食谱,和 apolipoprotein E 缺乏(ApoE/) 的全面效果作为。ApoE/ 老鼠用高胆固醇和蛋氨酸饮食被喂 15 个星期导致 hyperlipidemia 和 hyperhomocysteinemia。genomic DNA (gDNA ) 和 B1 的 methylation 层次在大动脉的纸巾的重复元素被两 methylation 依赖的限制分析测量并且嵌套 methylation 特定的聚合酶链反应(PCR ) 。Methylation 顺序偏爱模式是由有限制 endonuclease 消化的 DNA 接受甲基的能力的 assayed。DNA methyltransferase-1 的 mRNA 表示, 3 (DNMT1, 3 ) 被即时 PCR 检测。S-adenosylmethionine (SAM ) 和 S-adenosylhomocysteine (SAH ) 的集中被高效的液体层析决定。结果显示出 gDNA 和 B1 的 hypomethylation 重复元素。DNMT1 的 mRNA 表示被减少。SAM, SAH,和 SAM/SAH 比率的层次被增加。动脉粥样硬化患者损害区域强烈与风险因素相关。DNA demethylation 的分发被喜欢而不是 non-CpG 岛,它可以在 DNA 正直和 genomic 不稳定性上建议 hypomethylation 的主要影响。总的来说,我们的数据不含糊地证明高胆固醇,高蛋氨酸食谱,和 ApoE/ 的全面角色不与一个单个风险因素的角色一致地一致。DNA methylation 模式在这是相当复杂的并且取决于基因背景和许多深奥风险因素。 | Yideng Jiang Huiping Zhang Tao Sun Ju Wang Weiwei Sun Huihui Gong Binbin Yang Yingkang Shi Jun Wei | 2012 | Acta Biochimica et Biophysica Sinica2012，44，10： | 16 |
| 10 | Preparation and self-assembly of amphiphilic polymer with aggregation-induced emission characteristics显示文摘An amphiphilic polymer bearing tetraphenylethene (TPE) moiety was synthesized by convenient reactions. The polymer exhibits unique aggregation-induced emission (AIE) characteristics and can self-assemble to size-tunable particles in DMF/water mixtures. The polymer nanoparticles can be used for cell imaging, which provides a potential stable fluorescent tool to monitor the distribution of drugs and bioconjugates in living cells. | QIN AnJun ZHANG Ya HAN Ning MEI Ju SUN JingZhi FAN WeiMin TANG Ben Zhong | 2012 | Science China Chemistry2012，55，5： | 16 |
| 11 | Insights into the Tectonic Fractures in the Yanchang Formation Interbedded Sandstone-Mudstone of the Ordos Basin Based on Core Data and Geomechanical Models显示文摘The distribution and intensity of tectonic fractures within geologic units are important to hydrocarbon exploration and development. Taken the Upper Triassic Yanchang Formation interbedded sandstone-mudstone in the Ordos Basin as an example, this study used the finite element method(FEM) based on geomechanical models to study the development of tectonic fractures. The results show that the sandstones tend to generate tectonic fractures more easily than mudstones with the same layer thickness, and the highest degree of tectonic fractures will be developed when the sandstone-mudstone thickness ratio is about 5.0. A possible explanation is proposed for the tectonic fracture development based on two important factors of rock brittleness and mechanical layer thickness. Generally, larger rock brittleness and thinner layer thickness will generate more tectonic fractures. In interbedded sandstone-mudstone formations, the rock brittleness increases with the increasing mechanical layer thickness, hence, these two factors will achieve a balance for the development of tectonic fractures when the sandstone-mudstone thickness ratio reaches a specific value, and the development degree of tectonic fractures is the highest at this value. | JU Wei SUN Weifeng HOU Guiting | 2015 | Acta Geologica Sinica(English Edition)2015，89，6： | 16 |
| 12 | Molecular chaperones and hypoxic-ischemic encephalopathy显示文摘Hypoxic-ischemic encephalopathy(HIE) is a disease that occurs when the brain is subjected to hypoxia,resulting in neuronal death and neurological deficits,with a poor prognosis.The mechanisms underlying hypoxic-ischemic brain injury include excitatory amino acid release,cellular proteolysis,reactive oxygen species generation,nitric oxide synthesis,and inflammation.The molecular and cellular changes in HIE include protein misfolding,aggregation,and destruction of organelles.The apoptotic pathways activated by ischemia and hypoxia include the mitochondrial pathway,the extrinsic Fas receptor pathway,and the endoplasmic reticulum stress-induced pathway.Numerous treatments for hypoxic-ischemic brain injury caused by HIE have been developed over the last half century.Hypothermia,xenon gas treatment,the use of melatonin and erythropoietin,and hypoxic-ischemic preconditioning have proven effective in HIE patients.Molecular chaperones are proteins ubiquitously present in both prokaryotes and eukaryotes.A large number of molecular chaperones are induced after brain ischemia and hypoxia,among which the heat shock proteins are the most important.Heat shock proteins not only maintain protein homeostasis; they also exert anti-apoptotic effects.Heat shock proteins maintain protein homeostasis by helping to transport proteins to their target destinations,assisting in the proper folding of newly synthesized polypeptides,regulating the degradation of misfolded proteins,inhibiting the aggregation of proteins,and by controlling the refolding of misfolded proteins.In addition,heat shock proteins exert anti-apoptotic effects by interacting with various signaling pathways to block the activation of downstream effectors in numerous apoptotic pathways,including the intrinsic pathway,the endoplasmic reticulum-stress mediated pathway and the extrinsic Fas receptor pathway.Molecular chaperones play a key role in neuroprotection in HIE.In this review,we provide an overview of the mechanisms of HIE and discuss the various treatment strategies.Given their critical role in the disease,molecular chaperones are promising therapeutic targets for HIE. | Cong Hua Wei-na Ju Hang Jin Xin Sun Gang Zhao | 2017 | Neural Regeneration Research2017，12，1： | 15 |
| 13 | Cancer statistics in Chinese older people,2022:current burden,time trends,and comparisons with the US,Japan,and the Republic of Korea显示文摘Largely due to population ageing,the cancer burden from older people has been rising,which imposed considerable pressure on current Chinese healthcare system.We provide comprehensive information about cancer burden of Chinese older people based on the most recent data from National Central Cancer Registry of China.The logarithmic linear regression was used to project the current cancer burden in 2022,and Joinpoint regression was used for temporal trend analysis from 2000 to 2017.We also estimated cancer statistics of older people in the US,Japan and the Republic of Korea for comparisons.It is estimated that 2.79 million cases and 1.94 million deaths occur for Chinese older people,representing 55.8%and 68.2%of cases and deaths in all population in 2022.The overall cancer incidence rate gradually increased among older women,while the mortality rates declined for both sexes.Notably,approximately 10.0%of all cases and 17.7%of all deaths are from people aged over 80 years,and cancer incidence and mortality in this age group showed upward trends for women.Lung cancer and digestive cancers are the leading cancer types for Chinese older people.Compared with other countries,China has lower incidence rates but higher mortality rates for older people.The rapidly growing burden of prostate cancer,breast cancer,colorectal cancer,and declines in esophageal cancer,stomach cancer,and liver cancer among older people indicate the cancer pattern in China is being in a transition stage to that in developed countries.Our findings imply that it should be the national health priority to meet the growing demands for cancer diagnosis,treatment and care services from the older people as the rapid population ageing in next few decades. | Wen Ju Rongshou Zheng Siwei Zhang Hongmei Zeng Kexin Sun Shaoming Wang Ru Chen Li Li Wenqiang Wei Jie He | 2023 | Science China(Life Sciences)2023，66，5： | 15 |
| 14 | Reinfection rate and endoscopic changes after successful eradication of Helicobacter pylori显示文摘AIM:To determine the long-term outcomes regarding reinfection with Helicobacter pylori(H.pylori)and endoscopic changes after successful H.pylori eradication. METHODS:From June 1994 to January 2007,186 patients(M:F=98:88;mean age 50.0±11.4 years), in whom H.pylori had been successfully eradicated, were enrolled.The mean duration of follow up was 41.2±24.0 mo. RESULTS:H.pylori reinfection occurred in 58 patients (31.2%).The average annual reinfection rate was 9.1% per patient year.No recurrence of peptic ulcer was detected at the follow up endoscopy.There were no significant differences between the H.pylori eradication regimens for the reinfection rate and no significant differences in endoscopic findings between the H.pylorirecurred group and the H.pylori-cured group.CONCLUSION:The reinfection rate in Korea is 9.1% which represents a decreasing trend.There was no relationship between H.pylori infection status and changes in endoscopic findings.There was also no recurrence or aggravation of ulcers. | Kum Hei Ryu Sun Young Yi Youn Ju Na Su Jung Baik Su Jin Yoon Hae-Sun Jung Hyun Joo Song | 2010 | World Journal of Gastroenterology2010，16，2： | 14 |
| 15 | Chemical screen identifies a geroprotective role of quercetin in premature aging显示文摘Aging increases the risk of various diseases. The main goal of aging research is to find therapies that attenuate aging and alleviate aging-related diseases. In this study, we screened a natural product library for geroprotective compounds using Werner syndrome (WS) human mesenchymal stem cells (hMSCs), a premature aging model that we recently established. Ten candidate compounds were identified and quercetin was investigated in detail due to its leading effects. Mechanistic studies revealed that quercetin alleviated senescence via the enhancement of cell proliferation and restoration of heterochromatin architecture in WS hMSCs. RNA-sequencing analysis revealed the transcriptional commonalities and differences in the geroprotective effects by quercetin and Vitamin C. Besides WS hMSCs, quercetin also attenuated cellular senescence in Hutchinson-Gilford progeria syndrome (HGPS) and physiological-aging hMSCs. Taken together, our study identifies quercetin as a geroprotective agent against accelerated and natural aging in hMSCs, providing a potential therapeutic intervention for treating age-associated disorders. | Lingling Geng Zunpeng Liu Weiqi Zhang Wei Li Zeming Wu Wei Wang Ruotong Ren Yao Su Peichang Wang Liang Sun Zhenyu Ju Piu Chan Moshi Song Jing Qu Guang-Hui Liu | 2019 | Protein & Cell2019，10，6： | 13 |
| 16 | Bounding surface model for ballast with additional attention on the evolution of particle size distribution显示文摘Particle size distribution significantly influences the mechanical response of the ballast under low confining pressure.However,particle breakage usually occurs and unfavorably degrades the particle size distribution of the ballast when sufficient load is applied.To model the triaxial stress-strain behavior and its associated evolution of particle size distribution of the ballast,a specific bounding surface model is proposed.The proposed model is based on the traditional bounding surface plasticity and a modified particle breakage index,which correlates the initial gradation and the ultimate gradation together with the current gradation.Simulation of the experimental results from the triaxial compression tests shows that the proposed model can predict the strain softening and volumetric expansion of the ballast under relatively lower confining pressure.It is also able to simulate the strain hardening and volumetric compression of the ballast under relatively higher confining pressure.Most importantly,the proposed approach was observed to have a great potential in predicting the evolution of the particle size distribution of the ballast. | SUN YiFei XIAO Yang JU Wen | 2014 | Science China(Technological Sciences)2014，57，7： | 13 |
| 17 | Clinical Control Study of Endoscopic Full-thickness Resection and Laparoscopic Surgery in the Treatment of Gastric Tumors Arising from the Muscularis Propria显示文摘 | Cheng-Rong Wu Liu-Ye Huang Juan Guo Bo Zhang Jun Cgi Cheng-Ming Sun Li-Xin Jiang Zhi-Hua Wang Ai-Hong Ju | 2015 | Chinese Medical Journal2015，，11： | 13 |
| 18 | Detection of gallbladder stones by dual-energy spectral computed tomography imaging显示文摘AIM:To evaluate the detectability of gallbladder stones by dual-energy spectral computed tomography(CT) imaging.METHODS:Totally 217 patients with surgically confirmed gallbladder stones were retrospectively analyzed who underwent single-source dual-energy CT scanning from August 2011 to December 2013. Polychromatic images were acquired. And post-processing software was used to reconstruct monochromatic(40 ke V and 140 ke V) images,and calcium-lipid pair-wise base substance was selected to acquire calcium base images and lipid base images. The above 5 groups of images were evaluated by two radiologists separately with 10-year experience in CT image reading. In the 5 groups of images,the cases in the positive group and negative group were counted and then the detection rate was calculated. The inter-observer agreement on the scoring results was analyzed by Kappa test,and the scoring results were analyzed by Wilcoxon test,with P < 0.05 indicating that the difference was statistically significant. The stone detection results of the 5 groups of images were analyzed by χ2 test.RESULTS:There was good inter-observer agreement(k = 0.772). In 217 patients with gallbladder stones,there was a statistically significant difference in stone visualization between spectral images(40 ke V,140 ke V,calcium base and lipid base images) and polychromatic images(P < 0.05). 40 ke V monochromatic images were better than 140 ke V monochromatic images(4.90 ± 0.35 vs 4.53 ± 1.15,P < 0.05),and calcium base images were superior to lipid base images(4.91 ± 0.43 vs 4.77 ± 0.63,P < 0.05),but there was no statisticallysignificant difference between 40 ke V monochromatic images and calcium base images(4.90 ± 0.35 vs 4.91 ± 0.43,P > 0.05). In 217 gallbladder stone patients,there were 21,3,28,5 and 12 negative stone cases in polychromatic images,40 ke V images,140 ke V images,calcium base images and lipid base images,respectively,and the differences among the five groups were statistically significant(P < 0.05).CONCLUSION:Monochromatic images and base substance images have a good clinical prospect in the iso-density stone detection. | An-Liang Chen Ai-Lian Liu Sheng Wang Jing-Hong Liu Ye Ju Mei-Yu Sun Yi-Jun Liu | 2015 | World Journal of Gastroenterology2015，21，34： | 13 |
| 19 | Advances in Research on Anticancer Properties of Salidroside显示文摘Salidroside is a phenolic secondary metabolite present in plants of the genus Rhodiola,and studies investigating its extensive pharmacological activities and mechanisms have recently attracted increasing attention.This review summarizes the progress of recent research on the antiproliferative activities of salidroside and its effects on breast,ovarian,cervical,colorectal,lung,liver,gastric,bladder,renal,and skin cancer as well as gliomas and fibrosarcomas.Thus,it provides a reference for the further development and utilization of salidroside. | SUN An-qi JU Xiu-lian | 2021 | Chinese Journal of Integrative Medicine2021，27，2： | 12 |
| 20 | Hyperhomocysteinemia induces cardiac injury by up-regulation of p53-dependent Noxa and Bax expression through the p53 DNA methylation in ApoE-/- mice显示文摘Hyperhomocysteinemia (HHcy ) 是为心血管的疾病的一个风险因素并且与心失败有强壮的关联。然而,心脏的织物上的 HHcy 的效果仍然保持不太好理解。阐明在导致 HHcy 的心脏的损害的 p53 依赖的 apoptosis 的角色,我们用高蛋氨酸饮食喂了 ApoE/ 老鼠建立 HHcy 模型。浆液 Hcy,心脏的酶,和类脂化合物被测量。Noxa, DNMT1, caspases-3/9,和 p53 的蛋白质层次被连接酶的 immunosorbent 试金决定。Bcl-2 和 Bax 蛋白质被染色的 immunohistochemistry 检测。S-adenosyl 蛋氨酸和 S-adenosyl homocysteine 集中被高效的液体层析决定。p53 和 DNMT1 的 mRNA 层次被即时聚合酶链反应(PCR ) 分析, p53 的 methylation 层次被嵌套的 methylation-specific-PCR 分析。我们的数据证明浆液 Hcy 和类脂化合物的集中与 N 控制组相比在 Meth 组被增加,它显示模型成功地被建立。p53 和 Noxa 的表示层次在 Meth 组被增加,当 p53 的 methylation 地位是 hypomethylation 时。caspase-3/9 的活动与 N 控制组相比在 Meth 组被增加。另外,染色的 immunohistochemistry 证明 Bax 的表示显著地与 N 控制组相比在 Meth 和 Meth-F 组被增加。在摘要, HHcy 由 p53 依赖的 pro-apoptotic 的起来规定导致心脏的损害联系了基因 Noxa 和 Bax,当 p53 DNA hypomethylation 是在 HHcy 导致的病理学的过程的关键分子的机制时。 | ShengchaoMa Huiping Zhang Weiwei Sun HuiHui Gong YanhuaWang Changjian Ma Ju Wang Chengjian Cao Xiaoling Yang Jue Tian Yideng Jiang | 2013 | Acta Biochimica et Biophysica Sinica2013，45，5： | 12 |
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