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1264篇 您的检索式:作者名="Liu Quan"
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1OsWRKY03, a rice transcriptional activator that functions in defense signaling pathway upstream of OsNPR1显示文摘WRKY family proteins are a class of plant specific transcription factors that involve in many stress response pathways. It has been shown that one Arabidopsis WRKY protein, AtWRKY29/22, is activated by MAP kinase signaling cascade and confers resistance to both bacterial and fungal pathogens. However, little is known about the biological roles of WRKY proteins in rice. In this study, we investigated the expression patterns of rice AtWRKY29/22 homolog, OsWRKY03, under different conditions, and also its possible role involved in plant defense. Our results showed that OsWRKY03 was up-regulated by several defense signaling molecules or different treatments. Further analysis revealed that the expres- sion of OsWRKY03 was light dependent. Transcriptional activation activity of OsWRKY03 was also demonstrated by yeast functional assay. Transient expression of OsWRKY03-GFP fusion protein in onion epidermis cells showed that OsWRKY03 was a nuclear localized protein. OsNPR1 as well as several other pathogenesis-related genes, such as OsPR1b, phenylalanine ammonia-lyase (ZB8) and peroxidase (POX22.3), were induced in OsWRKY03-overexpressing transgenic plants. These results indicated that OsWRKY03 is located upstream of OsNPR1 as a transcriptional activator in salicylic acid (SA)-dependent or jasmonic acid (JA)-dependent defense signaling cascades.Xiao Qiang LIU Xian Quan BAI Qian QIAN Xiu Jie WANG Ming Sheng CHEN Cheng Cai CHU 2005Cell Research2005,15,8:55
2Ulinastatin attenuates LPS-induced inflammation in mouse macrophage RAW264.7 cells by inhibiting the JNK/NF-KB signaling pathway and activating the PI3K/Akt/Nrf2 pathway显示文摘Si-tong LI Qi DAI Shu-xian ZHANG Ya-jun LIU Qiu-qiong YU Fei TAN Shu-hong LU Quan WANG Jian-wen CHEN He-qing HUANG Pei-qing LIU Min LI 2018Acta Pharmacologica Sinica2018,39,8:43
3Washed microbiota transplantation vs.manual fecal microbiota transplantation:clinical findings,animal studies and in vitro screening显示文摘Fecal microbiota transplantation(FMT)by manual preparation has been applied to treat diseases for thousands of years.However,this method still endures safety risks and challenges the psychological endurance and acceptance of doctors,patients and donors.Population evidence showed the washed microbiota preparation with microfiltration based on an automatic purification system followed by repeated centrifugation plus suspension for three times significantly reduced FMT-related adverse events.This washing preparation makes delivering a precise dose of the enriched microbiota feasible,instead of using the weight of stool.Intraperitoneal injection in mice with the fecal microbiota supernatant obtained after repeated centrifugation plus suspension for three times induced less toxic reaction than that by the first centrifugation following the microfiltration.The toxic reactions that include death,the change in the level of peripheral white blood cells,and the proliferation of germinal center in secondary lymphoid follicles in spleen were noted.The metagenomic next-generation sequencing(NGS)indicated the increasing types and amount of viruses could be washed out during the washing process.Metabolomics analysis indicated metabolites with pro-inflammatory effects in the fecal microbiota supernatant such as leukotriene B4,corticosterone,and prostaglandin G2 could be removed by repeated washing.Near-infrared absorption spectroscopy could be served as a rapid detection method to control the quality of the washingprocess.In conclusion,this study for the first time provides evidence linking clinical findings and animal experiments to support that washed microbiota transplantation(WMT)is safer,more precise and more quality-controllable than the crude FMT by manual.Ting Zhang Gaochen Lu Zhe Zhao Yafei Liu Quan Shen Pan Li Yaoyao Chen Haoran Yin Huiquan Wang Cicilia Marcella Bota Cui Lei Cheng Guozhong Ji Faming Zhang 2020Protein & Cell2020,11,4:44
4Anisotropic coding metamaterials and their powerful manipulation of differently polarized terahertz waves显示文摘Metamaterials based on effective media can be used to produce a number of unusual physical properties(for example,negative refraction and invisibility cloaking)because they can be tailored with effective medium parameters that do not occur in nature.Recently,the use of coding metamaterials has been suggested for the control of electromagnetic waves through the design of coding sequences using digital elements‘0’and‘1,'which possess opposite phase responses.Here we propose the concept of an anisotropic coding metamaterial in which the coding behaviors in different directions are dependent on the polarization status of the electromagnetic waves.We experimentally demonstrate an ultrathin and flexible polarization-controlled anisotropic coding metasurface that functions in the terahertz regime using specially designed coding elements.By encoding the elements with elaborately designed coding sequences(both 1-bit and 2-bit sequences),the x-and y-polarized waves can be anomalously reflected or independently diffused in three dimensions.The simulated far-field scattering patterns and near-field distributions are presented to illustrate the dual-functional performance of the encoded metasurface,and the results are consistent with the measured results.We further demonstrate the ability of the anisotropic coding metasurfaces to generate a beam splitter and realize simultaneous anomalous reflections and polarization conversions,thus providing powerful control of differently polarized electromagnetic waves.The proposed method enables versatile beam behaviors under orthogonal polarizations using a single metasurface and has the potential for use in the development of interesting terahertz devices.Shuo Liu Tie Jun Cui Quan Xu Di Bao Liangliang Du Xiang Wan Wen Xuan Tang Chunmei Ouyang Xiao Yang Zhou Hao Yuan Hui Feng Ma Wei Xiang Jiang Jiaguang Han Weili Zhang Qiang Cheng 2016Light(Science & Applications)2016,5,1:36
5Effects of Nitrogen Application Rate and Ratio on Lodging Resistance of Super Rice with Different Genotypes显示文摘The objective of this study was to determine the morphology mechanism of nitrogen(N) fertilizer rates and ratio on lodging resistance through analying its effects among lodging index(LI),lodging-related morphological traits and physical strength in basal internodes by comparing japonica and indica super rice cultivars.Field experiments,with three nitrogen levels(0,150 and 300 kg ha-1) and two ratios of basal to topdressing(8:2 and 5:5) with two super rice cultivars(Yliangyou 2 and Wuyunjing 23),were conducted in the Baolin Farm,Danyang Country,Jiangsu Province,China,in 2011 and 2012.Effects of N fertilizer rates and ratios on morphology of whole plant,morphology traits in basal internodes and culm's physical strength parameters were investigated at 20 d after full heading stage.LI of Yliangyou 2 was significant greater than that of Wuyunjing 23 due to larger bending moment by whole plant(WP) with higher plant height and gravity center height.With higher volume of N fertilizer,LI of two super rice cultivars was increased conspicuously.However,no significant effect was detected with increase of panicle fertilizer ratio.The size of breaking strength(M) in basal internodes was the key factor determining LI among N fertilizer treatments.Correlation analysis revealed that M value was positively related bending stress(BS) of Wuyunjing 23 and section modulus(Z) of Yliangyou 2,respectively.The higher N fertilizer levels induced reduction of BS of Wuyunjing 23 due to weak culm and leaf sheath plumpness status and reduced Z of Yliangyou 2 owning to small diameter and culm wall thickness,consequently,influencing their M indirectly.These results suggested that breaking strength was the key factor influencing LI with increase of N fertilizer levels.However,the lodging-related morphology mechanism was different with genotypes.Culm wall thickness and diameter in basal internodes of indica super rice and culm and leaf sheath plumpness status of japonica super rice influenced breaking strength,as well as lodging index,respectively.ZHANG Wu-jun LI Gang-hua YANG Yi-ming LI Quan ZHANG Jun LIU Jin-you WANG Shao-hua TANG She DING Yan-feng 2014Journal of Integrative Agriculture2014,13,1:32
6Effect of Helicobacter pylori infection on gastric epithelial proliferation in progression from normal mucosa to gastric carcinoma显示文摘EfectofHelicobacterpyloriinfectionongastricepithelialproliferationinprogressionfromnormalmucosatogastriccarcinomaLIUWenZhon...LIU Wen Zhong, ZHENG Xiong, SHI Yao, DONG Quan Jiang and XIAO Shu Dong 1998World Journal of Gastroenterology1998,4,3:30
7产ESBL大肠埃希菌和肺炎克雷伯菌导致的社区获得性血流感染在中国广泛流行显示文摘产ESBL大肠埃希菌(ESBL-EC)和肺炎克雷伯菌(ESBL-KP)导致的社区获得血流感染(COBSI)近年来在全球范围内均有增多。本研究旨在分析ESBL-EC和ESBL-KP导致COBSI的流行和危险因素。Quan JJ Zhao DD Liu LL 郝敏 林东昉 2017中国感染与化疗杂志2017,17,3:29
85-Hydroxymethylcytosine signatures in circulating cell-free DNA as diagnostic biomarkers for human cancers显示文摘象 5-methylcytosine (5mC ) 和 5-hydroxymethylcytosine (5hmC ) 那样的 DNA 修正是知道在哺乳动物影响全球基因表示的 epigenetic 标记。在人的染色体,与基因表示的靠近的关联和高化学的稳定性给他们的流行,这些 DNA epigenetic 标记能为癌症用作理想的 biomarkers 诊断。利用一种高度敏感、选择的化学标记技术,我们这里报导在传播没有房间的 DNA ( cfDNA )并且在从最近与 colorectal 诊断的 260 个病人的一个队收集的配对的肿瘤和邻近的纸巾的 genomic DNA ( gDNA )的 5hmC 的染色体宽的介绍,胃,胰腺,从 90 个健康个人的肝或甲状腺癌症和正常纸巾。5hmC 主要在与开的染色质和容许的 histone 修正重合的 transcriptionally 活跃的区域被散布。柔韧的联系癌症的 5hmC 签名在 cfDNA 被识别为特定的癌症类型是特征的。传播 cfDNA 的 5hmC 底 biomarkers colorectal 和胃的癌症是高度预兆的并且比常规 biomarkers 优异并且比得上从织物活体检视的 5hmC biomarkers。因此,这新策略能从血样品的分析为癌症的诊断和预后导致有效、最低限度地侵略的方法的发展。Wenshuai Li Xu Zhang Xingyu Lu Lei You Yanqun Song Zhongguang Luo Jun Zhang Ji Nie Wanwei Zheng Diannan Xu Yaping Wang Yuanqiang Dong Shulin Yu Jun Hong Jianping Shi Hankun Hao Fen Luo Luchun Hua Peng Wang Xiaoping Qian Fang Yuan Lianhuan Wei Ming Cui Taiping Zhang Quan Liao Menghua Dai Ziwen Liu Ge Chen Katherine Meckel Sarbani Adhikari Guifang Jia Marc B Bissonnette Xinxiang Zhang Yupei Zhao Wei Zhang Chuan He Jie Liu 2017Cell Research2017,27,10:30
9Chinese Multidisciplinary Expert Consensus on the Diagnosis and Treatment of Hyperuricemia and Related Diseases显示文摘Zou, He-Jian Wu, Hu-Sheng Zhou, Jing-Guo Zeng, Xue-Jun Dai, Lie Wu, Hua-Xiang Zhu, Xiao-Xia Mei, Chang-Lin Hao, Chuan-Ming Chen, Nan Liu, Bi-Cheng Chen, Jiang-Hua Yang, Li Nie, Jing Yu, Chen Peng, Ai Yu, Sheng-Qiang Li, Lin Ge, Jun-Bo Huo, Yong Zhang, Shu-Yang Chen, Yun-Dai Dong, Yu-Gang Liang, Chun Dai, Yu-Xiang Gao, Xin Li, Chang-Gui Zhao, Jia-Jun Chen, Hai-Bing Cheng, Zhi-Feng Lin, Huan-Dong Guan, Yang-Tai Wang, Kai Luo, Ben-Yan Dai, Ruo-Lian Jiang, Quan Xue, Luan Liang, Chao-Chao Chen, Ming Fan, Song 2017Chinese Medical Journal2017,,20:30
10Receptor-mediated mitophagy in yeast and mammalian systems显示文摘Mitophagy,或线粒体 autophagy,在选择移动起一个关键作用损坏或讨厌的线粒体。包括在在哺乳动物的系统的酵母, NIX/BNIP3L, BNIP3 和 FUNDC1 的 Atg32,几蛋白质受体直接在 mitophagy 行动。Atg32 在线粒体的表面上与 Atg8 和 Atg11 交往,支持为 mitophagy 的核心 Atg 蛋白质汇编。NIX/BNIP3L, BNIP3 和 FUNDC1 也有一个经典主题直接为 mitophagy 的激活绑 LC3 (在哺乳动物的 Atg8 相当或相同的事物) 。最近的研究证明了调停受体的 mitophagy 被可逆蛋白质 phosphorylation 调整。酷蛋白 kinase 2 (CK2 ) phosphorylates Atg32 并且在酵母激活 mitophagy。相反,在哺乳动物的房间 Src kinase 和 CK2 phosphorylate FUNDC1 到阻止 mitophagy。尤其是响应组织缺氧和 FCCP 处理,激活 mitophagy 的 mitochondrial 磷酸酶 PGAM5 dephosphorylates FUNDC1。这里,我们主要在我们处于健康和疾病位于调停受体的 mitophagy 的激活和这个分解代谢的过程的含意下面的分子的机制的理解集中于最近的进展。Lei Liu Kaori Sakakibara Quan Chen Koji Okamoto 2014Cell Research2014,24,7:28
11Autophagy in bone homeostasis and the onset of osteoporosis显示文摘Autophagy is an evolutionarily conserved intracellular process,in which domestic cellular components are selectively digested for the recycling of nutrients and energy.This process is indispensable for cell homeostasis maintenance and stress responses.Both genetic and functional studies have demonstrated that multiple proteins involved in autophagic activities are critical to the survival,differentiation,and functioning of bone cells,including osteoblasts,osteocytes,and osteoclasts.Dysregulation at the level of autophagic activity consequently disturbs the balance between bone formation and bone resorption and mediates the onset and progression of multiple bone diseases,including osteoporosis.This review aims to introduce the topic of autophagy,summarize the understanding of its relevance in bone physiology,and discuss its role in the onset of osteoporosis and therapeutic potential.Xing Yin Chenchen Zhou Jingtao Li Renkai Liu Bing Shi Quan Yuan Shujuan Zou 2019Bone Research2019,7,4:25
12Expression of angiopoietins, Tie2 and vascular endothelial growth factor in angiogenesis and progression of hepatocellular carcinoma显示文摘瞄准:调查 angiopoietins, Tie2 和脉管的内皮的意义在肝细胞癌(HCC ) 的血管生成和进步的生长因素(VEGF ) 表示。方法:新鲜通过手术 HCC 和非癌的肝( NCL )的 resected 标本从有 HCC 的 38 个病人的织物被获得,并且 angiopoietin-1 ( Ang-1 )的表示, angiopoietin-2 ( Ang-2 ), Tie2 ,并且 VEGF 送信人 RNA ( mRNA )被即时量的反向的抄写聚合酶链反应( RT-PCR )检验。在 HCC 和 NCL 织物标本的每基因的表示模式被比较,在 HCC 的血管生成的潜在的角色和相互作用被分析。基因有肿瘤的 clinicopathological 参数的表达式水平和它的关系也被调查。CD34 染色的 Immunohistochemical 被执行决定微容器密度(MVD ) 和 Ang-2/Ang-1 比率是计算的。在 Ang-2/Ang-1 比率, VEGF 和 MVD 和 clinicopathological 特征之间的关系也被测试以便在 HCC 的前进评估他们的意义。结果:在 HCC 的 Ang-2 和 VEGF mRNAs 比在 NCL 织物的那些显著地高(P < 0.05 ) 而 Ang-1 和 Tie2 mRNAs 没显示出统计意义(P > 0.05 ) ,不过在 HCC 的 Ang-1 mRNA 稍微低级被观察。Ang-2/Ang-1 比率和 VEGF 断然两个都被相关到 MVD。Ang-2/ Ang-1 比率, Ang-2 和 VEGF 都与肿瘤的 clinicopathological 参数被联系(P < 0.05 ) 除了组织学的等级(P > 0.05 ) 。在不同 clinicopathological 组的 Ang-1 和 Tie2 层次不是显著地不同的(P > 0.05 ) 。结论:对通过 Tie2 受体的 Ang-1 的主导的 Ang-2 表示在开始非癌的肝的早 neovascularization 和转变到肝细胞癌面对 VEGF 起一个关键作用。它处于良好的竟技状态 HCC 的因而经常的操作导致 HCC 的进一步的血管生成和前进。Zhong-Lin Zhang Zhi-Su Liu Quan Sun 2006World Journal of Gastroenterology2006,12,26:24
13Transduction of Fas gene or Bcl-2 antisense RNA sensitizes cultured drug resistant gastric cancer cells to chemotherapeutic drugs显示文摘INTRODUCTIONChemotherapyisoneofthemajormethodsintumortreatment,butitoftendoesnotworkduetomultidrugresistance(MDR).Recentstudi...XIAO Bing, SHI Yong Quan, ZHAO Yan Qiu, YOU Han, WANG Zuo You, LIU Xian Ling, YIN Fang, QIAO Tai Dong and FAN Dai Ming 1998World Journal of Gastroenterology1998,4,5:24
14Single-cell RNA-seq highlights intra-tumoral heterogeneity and malignant progression in pancreatic ductal adenocarcinoma显示文摘Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer featured with high intra-tumoral heterogeneity and poor prognosis. To comprehensively delineate the PDAC intra-tumoral heterogeneity and the underlying mechanism for PDAC progression, we employed single-cell RNA-seq (scRNA-seq) to acquire the transcriptomic atlas of 57,530 individual pancreatic cells from primary PDAC tumors and control pancreases, and identified diverse malignant and stromal cell types, including two ductal subtypes with abnormal and malignant gene expression profiles respectively, in PDAC. We found that the heterogenous malignant subtype was composed of several subpopulations with differential proliferative and migratory potentials. Cell trajectory analysis revealed that components of multiple tumor-related pathways and transcription factors (TFs) were differentially expressed along PDAC progression. Furthermore, we found a subset of ductal cells with unique proliferative features were associated with an inactivation state in tumor-infiltrating T cells, providing novel markers for the prediction of antitumor immune response. Together, our findings provide a valuable resource for deciphering the intra-tumoral heterogeneity in PDAC and uncover a connection between tumor intrinsic transcriptional state and T cell activation, suggesting potential biomarkers for anticancer treatment such as targeted therapy and immunotherapy.Junya Peng Bao-Fa Sun Chuan-Yuan Chen Jia-Yi Zhou Yu-Sheng Chen Hao Chen Lulu Liu Dan Huang Jialin Jiang Guan-Shen Cui Ying Yang Wenze Wang Dan Guo Menghua Dai Junchao Guo Taiping Zhang Quan Liao Yi Liu Yong-Liang Zhao Da-Li Han Yupei Zhao Yun-Gui Yang Wenming Wu 2019Cell Research2019,29,9:24
158-bromo-7-methoxychrysin inhibits properties of liver cancer stem cells via downregulation of β-catenin显示文摘AIM:To evaluate whether 8-bromo-7-methoxychrysin(BrMC),a synthetic analogue of chrysin,inhibits the properties of cancer stem cells derived from the human liver cancer MHCC97 cell line and to determine the potential mechanisms.METHODS:CD133+cells were sorted from the MHCC97 cell line by magnetic activated cell sorting,and amplified in stem cell-conditioned medium to obtain the enriched CD133+sphere forming cells(SFCs).The stem cell properties of CD133+SFCs were validated by the tumorsphere formation assay in vitro and the xenograft nude mouse model in vivo,and termed liver cancer stem cells(LCSCs).The effects of BrMC on LCSCs in vitro were evaluated by MTT assay,tumorsphere formation assay and transwell chamber assay.The effects of BrMC on LCSCs in vivo were determined using a primary and secondary xenograft model in Balb/c-nu mice.Expressions of the stem cell markers,epithelialmesenchymal transition(EMT)markers andβ-catenin protein were analyzed by western blotting or immunohistochemical analysis.RESULTS:CD133+SFCs exhibited stem-like cell properties of tumorsphere formation and tumorigenesis capacity in contrast to the parental MHCC97 cells.We found that BrMC preferentially inhibited proliferation and self-renewal of LCSCs(P<0.05).Furthermore,BrMC significantly suppressed EMT and invasion of LCSCs.Moreover,BrMC could efficaciously eliminate LCSCs in vivo.Interestingly,we showed that BrMC decreased the expression ofβ-catenin in LCSCs.Silencing ofβ-catenin by small interfering RNA could synergize the inhibition of self-renewal of LCSCs induced by BrMC,while Wnt3a treatment antagonized the inhibitory effects of BrMC.CONCLUSION:BrMC can inhibit the functions and characteristics of LCSCs derived from the liver cancer MHCC97 cell line through downregulation ofβ-catenin expression.Mei-Fang Quan Li-Hong Xiao Zhi-Hong Liu Hui Guo Kai-Qun Ren Fei Liu Jian-Guo Cao Xi-Yun Deng 2013World Journal of Gastroenterology2013,19,43:22
16Experimental and clinical study of influence of high-frequency electric surgical knives on healing of abdominal incision显示文摘瞄准:在腹壁切口愈合上学习高周波的电的外科的刀的影响。方法:240 只白鼠被划分成 10 (0 ) , 10 (2 ) , 10 (5 ) ,并且 10 (8 ) 组和腹部手术的老鼠模型被分别地使用电的外科的刀和普通口针劝诱。然后,他们分别地被给生理盐水和 0.2 mL 的皮下注射在 10 的集中(2 ) 的埃希氏杆菌属关口 i,葡萄球菌 aureus 和绿脓假单胞菌的量的混合, 10 (5 ) 并且 10 (8 ) 。根据动物实验,经历腹部手术(上面的类型 II ) 的 220 个病人随机被分配进跟随三个组之一:电热刀(EK, 93 个盒子) ,电凝法(EC, 55 个盒子) 并且控制(72 个盒子) 。高周波的电的外科的刀习惯于为在 EK 的血壅滞的腹的纸巾和电凝法组织的 dissect。普通口针和电凝法在 EC 组被使用。普通口针和系住的丝缝线在控制被使用。结果:在除了组 10 的所有组(0 ) ,电的外科的刀做的 incisional 创伤的感染率与普通口针比那显著地高。而且,在组有有效差量 10 (2 ) , 10 (5 ) ,并且 10 (8 )(P<0.05 ) ,然而并非(0 )(P>0.05 ) 在组, 10 在 EK 和 EC 之间组织。临床的研究显示出在控制组在 EK,在 EC 的 11 个盒子(16.36%) 和 2 个盒子(2.86%) 在 16 种情况(17.20%) 中愈合的一处推迟的创伤。在 EK 和控制之间的有效差量组织(chi2 = 8.57, P<0.01 ) ,并且在 EC 和控制组之间(chi2 = 5.66, P<0.05 ) 被观察,然而并非在 EK 和 EC 之间(chi2 = 0.017, P>0.05 ) 。结论:高周波的电的刀可以显著地推迟腹壁切口愈合。它的申请应该被最小化以便减少手术后的复杂并发症的可能性。Guang-Wei Ji Yuan-Zhi Wu Xu Wang Hua-Xiong Pan Ping Li Wan-Ying Du Zhi Qi An Huang Li-Wei Zhang Li Zhang Wen Chen Guang-Hua Liu Hui Xu Quan Li Ai-Hua Yuan Xiao-Ping He Guo-Hua Mei 2006World Journal of Gastroenterology2006,12,25:23
17Lithium, an anti-psychotic drug, greatly enhances the generation of induced pluripotent stem cells显示文摘体的房间能由定义因素是进导致的 pluripotent 干细胞(iPSCs ) 的 reprogrammed。reprogramming 的低效率和 oncogenes 和病毒的向量的 genomic 集成限制了 iPSCs 的潜在的申请。这里,我们报导那锂(李) ,药过去常对待心情混乱,极大地从老鼠提高 iPSC 产生胚胎的成纤维细胞和人的脐的静脉 endothelial 房间。李与(Oct4 ) 或二个因素(OS 或好) 便于 iPSC 产生。支持 reprogramming 上的李的效果仅仅部分取决于它的主要目标 GSK3β。不同于另外的 GSK3β禁止者,李不仅增加 Nanog 的表示,而且提高 Nanog 的 transcriptional 活动。我们也发现李由经由 LSD1 的 downregulation 支持 epigenetic 修正施加它的效果, H3K4 特定的 histone demethylase。将 LSD1 击倒部分在提高 reprogramming 模仿李的效果。我们的结果不仅提供一个直接方法改进 iPSC 产生效率,而且为体的房间 reprogramming 作为一个批评调节的人识别了 histone demethylase。Quan Wang Xinxiu Xu Jun Li Jing Liu Haifeng Gu Ru Zhang Jiekai Chen Yin Kuang Jian Fei Cong Jiang Ping Wang Duanqing Pei Sheng Ding Xin Xie 2011Cell Research2011,21,10:23
18Baicalin induces ferroptosis in bladder cancer cells by downregulating FTH1显示文摘Ferroptosis is a non-apoptotic regulated cell death caused by iron accumulation and subsequent lipid peroxidation.Currently,the therapeutic role of ferroptosis on cancer is gaining increasing interest.Baicalin an active component in Scutellaria baicalensis Georgi with anticancer potential various cancer types;however,the effects of baicalein on bladder cancer and the underlying molecular mechanisms remain largely unknown.In the study,we investigated the effect of baicalin on bladder cancer cells5637 and KU-19-19.As a result,we show baicalin exerted its anticancer activity by inducing apoptosis and cell death in bladder cancer cells.Subsequently,we for the first time demonstrate baicalin-induced ferroptotic cell death in vitro and in vivo,accompanied by reactive oxygen species(ROS) accumulation and intracellular chelate iron enrichment.The ferroptosis inhibitor deferoxamine but not necrostatin-1,chloroquine(CQ),N-acetyl-L-cysteine,L-glutathione reduced,or carbobenzoxy-valyl-alanyl-aspartyl-[O-methyl]-fluoromethylketone(Z-VAD-FMK) rescued baicalin-induced cell death,indicating ferroptosis contributed to baicalin-induced cell death.Mechanistically,we show that ferritin heavy chain1(FTH1) was a key determinant for baicalin-induced ferroptosis.Overexpression of FTH1 abrogated the anticancer effects of baicalin in both 5637 and KU19-19 cells.Taken together,our data for the first time suggest that the natural product baicalin exerts its anticancer activity by inducing FTH1-dependent ferroptosis,which will hopefully provide a prospective compound for bladder cancer treatment.Na Kong Xiaying Chen Jiao Feng Ting Duan Shuiping Liu Xueni Sun Peng Chen Ting Pan Lili Yan Ting Jin Yu Xiang Quan Gao Chengyong Wen Weirui Ma Wencheng Liu Mingming Zhang Zuyi Yang Wengang Wang Ruonan Zhang Bi Chen Tian Xie Xinbing Sui Wei Tao 2021Acta Pharmaceutica Sinica B2021,11,12:23
19BMI, WC, WHtR, VFI and BFI: Which Indictor is the Most Efficient Screening Index on Type 2 Diabetes in Chinese Community Population显示文摘Objective Obesity is a major risk factor for type 2 diabetes, many indexes can be used to describes obesity and predict diabetes. This research attempts to identify the best indicator of obesity to screening diabetes in Chinese population. Methods A cross-sectional data of 8121 subjects aged 35-60 years were included in this research belongs to the Diabetes Appropriate Technology Intervention Study. Anthropometric indicators including body weight, height, waist circumferences (WC), body fat index (BFI) and visceral fat index (VFI) and blood biochemical indicators after an overnight fast [fasting blood glucose, total cholesterol, high-density lipoprotein (HDL) cholesterol, and triacylglycerol] were measured. BMI (body mass index) and Weight to Height Ratio was calculated. Results Subjects with obesity had a higher risk of physician diagnosed diabetes (OR=2.50, 95% CI 1.83-3.43), new diagnosed diabetes (OR=4.23, 95% CI 2.91-6.15) and pre-diabetes (OR=1.75, 95% CI 1.31-2.34) compared to those with normal Body mass index (BMI). There was a significant trend of increased risk of all diabetes status with increased waist circumference (WC). The waist-to-height ratio (WHtR) yielded the most significant association with new diagnosed diabetes and physician diagnosed diabetes than other indices. Conclusion Central obesity is significantly correlated with diabetes. VFI was most correlated with pre-diabetes while WHtR is an efficient screening index than BMI and WC in Chinese community diabetes screening.MI Sheng Quan YIN Peng HU Nan LI Jian Hong CHEN Xiao Rong CHEN Bo YAN Liu Xia ZHAO Wen Hua 2013Biomedical and Environmental Sciences2013,26,6:20
20Intestinal microbiota: a potential target for the treatment of postmenopausal osteoporosis显示文摘Postmenopausal osteoporosis(PMO) is a prevalent metabolic bone disease characterized by bone loss and structural destruction, which increases the risk of fracture in postmenopausal women. Owing to the high morbidity and serious complications of PMO, many efforts have been devoted to its prophylaxis and treatment. The intestinal microbiota is the complex community of microorganisms colonizing the gastrointestinal tract. Probiotics, which are dietary or medical supplements consisting of beneficial intestinal bacteria, work in concert with endogenous intestinal microorganisms to maintain host health. Recent studies have revealed that bone loss in PMO is closely related to host immunity, which is influenced by the intestinal microbiota. The curative effects of probiotics on metabolic bone diseases have also been demonstrated. The effects of the intestinal microbiota on bone metabolism suggest a promising target for PMO management.This review seeks to summarize the critical effects of the intestinal microbiota and probiotics on PMO, with a focus on the molecular mechanisms underlying the pathogenic relationship between bacteria and host, and to define the possible treatment options.Xin Xu Xiaoyue Jia Longyi Mo Chengcheng Liu Liwei Zheng Quan Yuan Xuedong Zhou 2017Bone Research2017,5,3:20
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