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1Unconjugated bilirubin alleviates experimental ulcerative colitis by regulating intestinal barrier function and immune inflammation显示文摘BACKGROUND Unconjugated bilirubin(UCB) is generally considered toxic but has gained recent prominence for its anti-inflammatory properties. However, the effects of it on the interaction between intestinal flora and organisms and how it influences immune responses remain unresolved.AIM To investigate the role of UCB in intestinal barrier function and immune inflammation in mice with dextran-sulfate-sodium-induced colitis.METHODS Acute colitis was induced by 3%(w/v) dextran sulfate sodium salt in drinking water for 6 d followed by untreated water for 2 d. Concurrently, mice with colitis were administered 0.2 mL UCB(400 μmol/L) by intra-gastric gavage for 7 d.Disease activity index(DAI) was monitored daily. Mice were sacrificed at the end of the experiment. The length of the colon and weight of the spleen were recorded. Serum level of D-lactate, intestinal digestive proteases activity, and changes to the gut flora were analyzed. In addition, colonic specimens were analyzed by histology and for expression of inflammatory markers and proteins.RESULTS Mice treated with UCB had significantly relieved severity of colitis, including lower DAI, longer colon length, and lower spleen weight(colon length: 4.92 ±0.09 cm vs 3.9 ± 0.15 cm; spleen weight: 0.33 ± 0.04 vs 0.74 ± 0.04, P < 0.001). UCB administration inactivated digestive proteases(chymotrypsin: 18.70 ± 0.69 U/g vs44.81 ± 8.60 U/g; trypsin: 1.52 ± 0.23 U/g vs 9.05 ± 1.77 U/g, P < 0.01), increased expression of tight junction(0.99 ± 0.05 vs 0.57 ± 0.03, P < 0.001), decreased serum level of D-lactate(31.76 ± 3.37 μmol/L vs 54.25 ± 1.45 μmol/L, P < 0.001), and lowered histopathological score(4 ± 0.57 vs 7 ± 0.57, P < 0.001) and activity of myeloperoxidase(46.79 ± 2.57 U/g vs 110.32 ± 19.19 U/g, P < 0.001). UCB also regulated the intestinal microbiota, inhibited expression of tumor necrosis factor(TNF) α and interleukin 1β(TNF-α: 52.61 ± 7.81 pg/mg vs 105.04 ± 11.92 pg/mg,interleukin 1β: 13.43 ± 1.68 vs 32.41 ± 4.62 pg/mg, P < 0.001), decreased expression of Toll-like receptor 4(0.61 ± 0.09 vs 1.07 ± 0.03, P < 0.001) and myeloid differentiation primary response gene 88(0.73 ± 0.08 vs 1.01 ± 0.07, P <0.05), and increased expression of TNF-receptor-associated factor 6(0.79 ± 0.02 vs0.43 ± 0.09 P < 0.05) and inhibitor of kappa B α(0.93 ± 0.07 vs 0.72 ± 0.07, P < 0.05)in the colon.CONCLUSION UCB can protect intestinal barrier function, regulate normal intestinal homeostasis, and suppress inflammation via the Toll-like receptor 4/nuclear factor-κB signaling pathway.Jia-Dong Zheng Yan He Heng-Yuan Yu Yuan-Li Liu Yi-Xuan Ge Xue-Ting Li Xue Li Yan Wang Meng-Ru Guo Yi-Lin Qu Xiao-Fa Qin Ming-Shan Jiang Xiu-Hong Wang 2019World Journal of Gastroenterology2019,25,15:26
22016 Chinese expert consensus and guidelines for the diagnosis and treatment of papillary thyroid microcarcinoma显示文摘The incidence of papillary thyroid carcinoma(PTC)has exponentially increased in recent years.Papillary thyroid microcarcinoma(PTMC)accounts for the majority of the reported cases of PTC.The debates and crucial issues in PTMC management have received researchers'attention.To further improve the clinical management of PTMC in China,Ming Gao Minghua Ge Qinghai Ji Ruochuan Cheng Hankui Lu Haixia Guan Li Gao Zhuming Guo Tao Huang Xiaoming Huang Xiaoming Li Yansong Lin Qinjiang Liu Xin Ni Yi Pan Jianwu Qin Zhongyan Shan Hui Sun Xudong Wang Zhengang Xu Yang Yu Daiwei Zhao Naisong Zhang ShengZhang Ying Zheng Jingqiang Zhu Dapeng Li Xiangqian Zheng 2017Cancer Biology & Medicine2017,14,3:23
3Carbonate-salt-based composite materials for medium- and high-temperature thermal energy storage显示文摘This paper discusses composite materials based on inorganic salts for medium- and high-temperature thermal energy storage application.The composites consist of a phase change material(PCM),a ceramic material,and a high thermal conductivity material.The ceramic material forms a microstructural skeleton for encapsulation of the PCM and structural stability of the composites;the high thermal conductivity material enhances the overall thermal conductivity of the composites.Using a eutectic salt of lithium and sodium carbonates as the PCM,magnesium oxide as the ceramic skeleton,and either graphite flakes or carbon nanotubes as the thermal conductivity enhancer,we produced composites with good physical and chemical stability and high thermal conductivity.We found that the wettability of the molten salt on the ceramic and carbon materials significantly affects the microstructure of the composites.Zhiwei Ge Feng Ye Hui Cao Guanghui Leng Yue Qin Yulong Ding 2014Particuology2014,12,4:19
4Efficacy and safety of Firebird sirolimus-eluting stent in treatment of complex coronary lesions in Chinese patients: one-year clinical and eight-month angiographic outcomes from the FIREMAN registry显示文摘LI Yan LI Cheng-xiang WANG Hai-chang XU Bo FANG Wei-yi GE Jun-bo WANG Wei-min CHEN Jack-P SHEN Wen-kuang JIANG Hong CONG Hong-liang PU Xiao-qun QIN Yong-wen JIN Hui-gen CAO Yu FIREMAN Investigators 2011Chinese Medical Journal2011,,6:17
5Recombinant human B7-H4 expressed in Escherichia coli inhibits T lym-phocyte proliferation and IL-2 secretion in vitro显示文摘Yi-xiang MAO Yong-Jing CHEN Yan GE Hong-bing MA Jian-feng YU Hong-ya WU Yu-min HU Qin WANG Qin SHI Xue-guang ZHANG 2006Acta Pharmacologica Sinica2006,27,6:16
6Treatment and outcomes of 1041 pediatric patients with neuroblastoma who received multidisciplinary care in China显示文摘Importance:Neuroblastoma is the most common extracranial malignant solid tumor in children.Multidisciplinary care is critical to improving the survival of pediatric patients with neuroblastoma.Objective:To systematically summarize the clinical characteristics of children with neuroblastoma and evaluate their prognosis with multidisciplinary care provided in a single center.Methods:This retrospective study analyzed the clinical data of 1041 patients with neuroblastoma who were diagnosed,treated,and followed-up in the Hematology-Oncology Center of Beijing Children’s Hospital from 2007 to 2019.Results:The median age at diagnosis was 34 months;80.8%of the patients were younger than 5 years of age.Notably,243 patients(23.3%)were classified as low-risk,249 patients(23.9%)were classified as intermediate-risk,and 549(52.7%)were classified as high-risk.Furthermore,956 patients underwent surgical resections;986(94.7%)patients received chemotherapy;and 176 patients with high-risk neuroblastoma received hematopoietic stem cell transplantation.The 5-year event-free survival(EFS)rate was 91.3%and 5-year overall survival(OS)rate was 97.5%in low-risk group;in the intermediate-risk group,these rates were 85.1%and 96.7%,respectively,while they were 37.7%and 48.9%in the high-risk group(P<0.001 for both).The 5-year EFS and OS rates were significantly higher in patients diagnosed between 2015 and 2019 than in patients diagnosed between 2007 and 2014(P<0.001).In total,278 patients(26.7%)exhibited tumor relapse or progression;the median interval until relapse or progression was 14 months.Of the 233 patients who died,83%died of relapse or progression of neuroblastoma and 4.3%died of therapy-related complications.Interpretation:The 5-year OS rate was low in high-risk patients,compared with low-and intermediate-risk patients.Multidisciplinary care is critical for improvement of survival in pediatric patients with neuroblastoma.Additional treatment strategies should be sought to improve the prognosis of patients with high-risk neuroblastoma.Yan Su Hong Qin Chenghao Chen Shengcai Wang Shihan Zhang Dawei Zhang Mei Jin Yun Peng Lejian He Xiaoman Wang Suyun Qian Maoquan Qin Ming Ge Fuquan Zhang Qi Zeng Huanmin Wang Xiaoli Ma Xin Ni 2020Pediatric Investigation2020,4,3:16
7Edaravone injection reverses learning and memory deficits in a rat model of vascular dementia显示文摘Edaravone 是由禁止 endothelial 损害并且由改善施加 neuroprotective 效果的新奇免费激进的 scavenger 在大脑局部缺血的 neuronal 损坏。最近, edaravone 能减轻病理和 Alzheimers 疾病病人的认知赤字,这被报导。然而,它到脉管的痴呆(VaD ) 的关联不是清楚的。在这研究,我们部分堵塞了老鼠的双边的颈动脉动脉通过手术导致长期的服的 hypoperfusion (CCH ) , VaD 的一个著名老鼠模型。水迷宫和电压降低的禁止的测试被用来评估记忆赤字。superoxide dismutase 的活动 ?( 草皮) 并且喂奶脱氢酶(LDH ) , malondialdehyde 的内容 ?(MDA ) 并且全部的反应的氧种类被测量评估氧化压力水平。西方的污点分析被用来计算 synaptic 蛋白质表达式。有为一个 5 星期的时期的 edaravone 的治疗在有 CCH 的老鼠对空间的颠倒和害怕记忆赤字有能力,这被发现。Edaravone 显著地由增加草皮活动并且减少与 CCH 在老鼠的大脑减少了氧化应力的水平 MDA, LDH,和全部的反应的氧种类的内容。而且, edaravone 处理也与 CCH 在老鼠的海马恢复了多重 synaptic 蛋白质的层次。我们的数据提供在 VaD 支持 edaravone 的 neuroprotective 效果的直接证据。我们建议氧化应力的缓和和 synaptic 蛋白质的恢复在 neuroprotection 起重要作用。Xu Li Fen Lu Wei Li Lingzhi Qin Yong Yao Xuerong Ge Qingkai Yu Xinliang Liang Dongmei Zhao Xiaohong Li Jiewen Zhang 2017Acta Biochimica et Biophysica Sinica2017,49,1:14
8Reponses and sensitivities of maize phenology to climate change from 1981 to 2009 in Henan Province, China显示文摘与全球温暖,响应气候变化的庄稼 phenological 移动成为了一个热研究话题。基于长期的观察 agro 气象学的 phenological 数据(1981-2009 ) 和气象学的数据,我们时间、空间的分析的份量上变在玉米物候学和他们的敏感给因素用气候趋势改变的气候调音率和敏感分析方法。结果显示播种朋友显著地被耽搁,延期趋势率是 9.0 d ?????????????????? ┴吗??LIU Yujie QIN Ya GE Quansheng DAI Junhu CHEN Qiaomin 2017Journal of Geographical Sciences2017,27,9:14
9Synthesis and characterization of lower generation broom molecules显示文摘与亢奋的分支被迈克尔增加与 dodecylamine 和甲基压克力在甲醇综合的十二烷基组一起的树枝状的分子作为原料吃了。这新型的树枝状的分子生动地被叫“在这的扫帚分子”报导。扫帚分子的水溶液的表面张力解雇了氨基的组被使用落下卷方法测量。为油 / 水(O/W ) 的扫帚分子的反乳化表演模仿了原油乳状液被检验。试验性的结果揭示了那,作为一表面活化剂新型,扫帚分子解雇了为 O/W 给反乳化看的氨基的组模仿的原油乳状液。Jun Wang Cui Qin Li Shu Yan Zhang Fang Sun Teng Jie Ge 2008Chinese Chemical Letters2008,19,1:13
10Coaxial multi-interface hollow Ni-AI203-ZnO nanowires tailored by atomic layer deposition for selective- frequency absorptions显示文摘Lili Yan Jia Liu Shichao Zhao Bin Zhang Zhe Gao Huibin Ge Yao Chen Maosheng Cao Yong Qin 2017Nano Research2017,10,5:13
11Zircon U-Pb age of the Shacun gabbro body, Yuexi, Dabie orogen and its geological implications显示文摘The single grain zircon U-Pb age of the Shacun mafic-ultramafic intrusion, Yuexi, North Dabie is (128.1 ±2.0) Ma.This date indicates that the intrusion was implaced at Yanshanian when most Mesozoic granitoids were intruded. It was not the syn-collisional intrusion related to the subduction of the Yangtze Block and ultrahigh-pressure metamorphism at Indosinian.GE Ningjie HOU Zhenhui LI Huimin CHEN Jiangfeng LIU Bin RUAN Jun QIN Liping 2000Chinese Science Bulletin2000,45,1:12
12m^6A-dependent biogenesis of circular RNAs in male germ cells显示文摘The majority of circular RNAs(circRNAs)spliced from coding genes contain open reading frames(ORFs)and thus,have protein coding potential.However,it remains unknown what regulates the biogenesis of these ORF-containing circRNAs,whether they are actually translated into proteins and what functions they play in specific physiological contexts.Here,we report that a large number of circRNAs are synthesized with increasing abundance when late pachytene spermatocytes develop into round and then elongating spermatids during murine spermatogenesis.For a subset of circRNAs,the back splicing appears to occur mostly at m^6A-enriched sites,which are usually located around the start and stop codons in linear mRNAs.Consequently,approximately a half of these male germ cell circRNAs contain large ORFs with m^6A-modified start codons in their junctions,features that have been recently shown to be associated with protein-coding potential.Hundreds of peptides encoded by the junction sequences of these circRNAs were detected using liquid chromatography coupled with mass spectrometry,suggesting that these circRNAs can indeed be translated into proteins in both developing(spermatocytes and spermatids)and mature(spermatozoa)male germ cells.The present study discovered not only a novel role of m^6A in the biogenesis of coding circRNAs,but also a potential mechanism to ensure stable and long-lasting protein production in the absence of linear mRNAs,i.e.,through production of circRNAs containing large ORFs and m^6A-modified start codons in junction sequences.Chong Tang Yeming Xie Tian Yu Na Liu Zhuqing Wang Rebekah J.Woolsey Yunge Tang Xinzong Zhang Weibing Qin Ying Zhang Ge Song Weiwei Zheng Juan Wang Weitian Chen Xiongyi Wei Zhe Xie Rachel Klukovich Huili Zheng David R.Quilici Wei Yan 2020Cell Research2020,30,3:12
13Composition and antioxidant activity of anthocyanins isolated from Yunnan edible rose(An ning)显示文摘Edible roses(An ning)are a good source of anthocyanins and grown widely in Yunnan Province of China.In this study,the contents of anthocyanins and total phenol as well as the antioxidant activity of methanol extract from specific variety of rose were systematically investigated.The results showed that anthocyanins and total phenolic content of the petals were(353.56±2.50)mg cyanidin 3,5-diglucoside(Cy-3,5-diglu)equivalents and(2087.43±17.37)mg gallic acid equivalents(GAE)per 100 g fresh weight(FW),respectively.Totally,3 kinds of anthocyanins were detected and Cy-3,5-diglu was the predominant constituent which accounted for approximately 94.9%of total anthocyanins according to the analysis results of high performance liquid chromatography-photodiode array detection(HPLC-PAD).Data demonstrated that the extract from edible rose exhibited excellent ferric reducing capacity and free radical scavenging activity against both 2,2-diphenyl-1-picrylhydrazyl(DPPH)and 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)diammonium salt(ABTS).The equivalents of anthocyanins from roses on DPPH,ABTS and ferric reducing ability were 2089,639 mg and 1400 mg GAE per 100 g FW,respectively.The high anthocyanins content and excellent antioxidant activity suggested that Yunnan edible roses could be applied in food industry as a good source of natural pigments.©2013 Beijing Academy of Food Sciences.Production and hosting by Elsevier B.V.All rights reserved.Qin Ge Xiaojun Ma 2013Food Science and Human Wellness2013,2,2:10
14Mycoplasma pneumoniae Macrolide Resistance and MLVA Typing in Children in Beijing,China,in 2016:Is It Relevant?显示文摘Objective The aim of this study is to investigate the macrolide resistance rate and molecular type with multiple-locus variable-number tandem-repeat analysis(MLVA)of Mycoplasma pneumoniae of Beijing in 2016 in pediatric patients.Methods Real-time quantitative polymerase chain reaction(PCR)was used to identify M.pneumoniae,and MLVA was performed.The domain V of the 23 S rRNA was sequenced to detect macrolide-resistant point mutations.We also investigated the activities of antibiotics against M.pneumoniae isolates in vitro.Results The PCR detection rate of M.pneumoniae in children in Beijing was 40%,and the macrolide resistance rate was 66%.The A2063 G mutation in the 23 S rRNA V region is the dominant mutation(137/146,93.84%),whereas the A2064 G mutation is rare(9/146,6.16%).Seventy-three samples were typed successfully by MLVA typing,including 86.3%(63/73)were MLVA type 4-5-7-2,and 13.7%(10/73)were MLVA type 3-5-6-2.No other types were found.No strains were resistant to levofloxacin or tetracycline.Conclusion In 2016,a specific decrease in the macrolide resistance rate occurred in Beijing.The detection rate and macrolide resistance rate of outpatients are lower than those of inpatients.The A2063 G mutants M.pneumoniae have high levels of resistance to erythromycin and azithromycin.The primary MLVA type is 4-5-7-2,followed by 3-5-6-2.No other MLVA types were detected.No strains resistant to tetracycline or levofloxacin were found in vitro.DOU Hai Wei TIAN Xiu Jun XIN De Li WEI Ran ZHOU Wei WANG Hong QIN Xuan Guang SHAO Jun Yan XU Bao Ping GE Li Xia SHI Da Wei 2020Biomedical and Environmental Sciences2020,33,12:9
15Self-supported CoMoS4 nanosheet array as an efficient catalyst for hydrogen evolution reaction at neutral pH显示文摘Xiang Ren Dan Wu Ruixiang Ge Xu Sun Hongmin Ma Tao Yan Yong Zhang Bin Du Qin Wei Liang Chen 2018Nano Research2018,11,4:8
16Retrograde approach for the recanalization of coronary chronic total occlusion: preliminary experience of a single center显示文摘为开运河不戏剧性地有的长期的全部的吸藏(CTO ) 的 antegrade 途径的成功率增加了的背景,特别在复杂 CTO 子集。retrograde 技术可以保持大诺言。这份报告试图描述我们的经验后退为 CTO 的开运河,集中于它的安全和可行性。我们识别了在 CTO 经历了 revascularization 与的 42 个病人的方法后退在我们的 center.Results 的 2009 年 11 月的从 2005 年 7 月的途径三种策略被使用:作为主要策略(50.0%) 后退,在 antegrade 失败(26.2%) 以后立即后退并且重复在以前的 antegrade 失败(23.8%) 以后的过程。氏族的担保更经常被用作 retrograde 存取线路(92.9%) 。全面成功率是 88.1% 。在病人与成功后退电线十字路口担保隧道到 CTO 的远侧的帽子,开运河的成功率是 94.1% 。在有失败到的病人穿过担保,成功率是 62.5% 。八种不同类型后退技术被使用:吻的电线技术(35.3%),套住的电线和套住的反向的电线技术(17.6%),后端汽球和 microcatherer 颠倒技术(14.7%),控制 antegrade 并且后退追踪的 subintimal (大车)技术(8.8%),反向的大车和修改颠倒运技术(8.8%),后退电线十字路口技术(2.9%)。有 4 复杂并发症没有在里面医院,发生了主要不利心脏的事件(向) 。在里面医院向是 7.7% 。所有他们是 non-Q 挥动心肌的梗塞。没有死亡的盒子或指向 retrograde 途径能是的容器 revascularization,任何一个外科或 percutaneous.Conclusions 为在复杂 CTO 增加开运河的成功率的一个有效工具。保证由富有经验的操作员处理的途径,小心的盒子选择和设备的成功和安全是必要的。GE Lei QIAN Ju-ying LIU Xue-bo QIN Qing CUI Shan-jing YAO Kang SHEN Li MA Jian-ying HUANG Dong XU Shi-kun ZHANG Feng WANG Xiang-fei WANG Qi-bing FAN Bing YAN Yan FENG Qi WANG Hao SHEN An ZHU Ming-hui GE Jun-bo 2010Chinese Medical Journal2010,,7:7
17Role of bile acids in liver diseases mediated by the gut microbiome显示文摘The intensive crosstalk between the liver and the intestine performs many essential functions.This crosstalk is important for natural immune surveillance,adaptive immune response regulation and nutrient metabolism and elimination of toxic bacterial metabolites.The interaction between the gut microbiome and bile acids is bidirectional.The gut microbiome regulates the synthesis of bile acids and their biological signaling activity and circulation via enzymes.Similarly,bile acids also shape the composition of the gut microbiome by modulating the host’s natural antibacterial defense and the intestinal immune system.The interaction between bile acids and the gut microbiome has been implicated in the pathophysiology of many intestinal and extra intestinal diseases,especially liver diseases.As essential mediators of the gut-liver crosstalk,bile acids regulate specific host metabolic pathways and modulate the inflammatory responses through farnesoid X-activated receptor and G protein-coupled bile acid receptor 1.Several clinical trials have demonstrated the signaling effects of bile acids in the context of liver diseases.We hypothesize the existence of a gut microbiome-bile acids-liver triangle and explore the potential therapeutic strategies for liver diseases targeting the triangle.Jun-Wei Shao Tian-Tian Ge Sen-Zhong Chen Gang Wang Qin Yang Chun-Hong Huang Li-Chen Xu Zhi Chen 2021World Journal of Gastroenterology2021,27,22:7
18Mitochondrial aldehyde dehydrogenase(ALDH2)rescues cardiac contractile dysfunction in an APP/PS1 murine model of Alzheimer’s disease via inhibition of ACSL4-dependent ferroptosis显示文摘Alzheimer’s disease(AD)is associated with high incidence of cardiovascular events but the mechanism remains elusive.Our previous study reveals a tight correlation between cardiac dysfunction and low mitochondrial aldehyde dehydrogenase(ALDH2)activity in elderly AD patients.In the present study we investigated the effect of ALDH2 overexpression on cardiac function in APP/PS1 mouse model of AD.Global ALDH2 transgenic mice were crossed with APP/PS1 mutant mice to generate the ALDH2-APP/PS1 mutant mice.Cognitive function,cardiac contractile,and morphological properties were assessed.We showed that APP/PS1 mice displayed significant cognitive deficit in Morris water maze test,myocardial ultrastructural,geometric(cardiac atrophy,interstitial fibrosis)and functional(reduced fractional shortening and cardiomyocyte contraction)anomalies along with oxidative stress,apoptosis,and inflammation in myocardium.ALDH2 transgene significantly attenuated or mitigated these anomalies.We also noted the markedly elevated levels of lipid peroxidation,the essential lipid peroxidation enzyme acyl-CoA synthetase long-chain family member 4(ACSL4),the transcriptional regulator for ACLS4 special protein 1(SP1)and ferroptosis,evidenced by elevated NCOA4,decreased GPx4,and SLC7A11 in myocardium of APP/PS1 mutant mice;these effects were nullified by ALDH2 transgene.In cardiomyocytes isolated from WT mice and in H9C2 myoblasts in vitro,application of Aβ(20μM)decreased cell survival,compromised cardiomyocyte contractile function,and induced lipid peroxidation;ALDH2 transgene or activator Alda-1 rescued Aβ-induced deteriorating effects.ALDH2-induced protection against Aβ-induced lipid peroxidation was mimicked by the SP1 inhibitor tolfenamic acid(TA)or the ACSL4 inhibitor triacsin C(TC),and mitigated by the lipid peroxidation inducer 5-hydroxyeicosatetraenoic acid(5-HETE)or the ferroptosis inducer erastin.These results demonstrate an essential role for ALDH2 in AD-induced cardiac anomalies through regulation of lipid peroxidation and ferroptosis.Zhi-yun Zhu Yan-dong Liu Yan Gong Wei Jin Elena Topchiy Subat Turdi Yue-feng Gao Bruce Culver Shu-yi Wang Wei Ge Wen-liang Zha Jun Ren Zhao-hui Pei Xing Qin 2022Acta Pharmacologica Sinica2022,43,1:6
19A new forsythenside from Forsythia suspensa显示文摘新 forsythenside, 4-hydroxy-4-[8-[[1-[(4-hydroxyphenyl ) 乙酰]- 尾 -d-glucopyranosyl-6-]oxy]ethyl]-2,5-cyclohexadien-1-one, 把 forsythenside 称为 F,是从连翘属植物 suspensa (Thunb ) 的植物的 isolasted Vahl。新混合物的结构根据各种各样的分光镜的分析被建立,包括 1H NMR, 13C NMR, 2D NMR 技术(HMBC 和 HSQC ) ,和 HR-ESI-MS。Yan Zhi Wang Qin Ge Ma Xiao Ke Zheng Wei Sheng Feng 2008Chinese Chemical Letters2008,19,10:6
20Application of a novel inhibitor of human CD59 for the enhancement of complement-dependent cytolysis on cancer cells显示文摘Many monoclonal antibodies(mAbs)have been extensively used in the clinic,such as rituximab to treat lymphoma.However,resistance and non-responsiveness to mAb treatment have been challenging for this line of therapy.Complement is one of the main mediators of antibody-based cancer therapy via the complement-dependent cytolysis(CDC)effect.CD59 plays a critical role in resistance to mAbs through the CDC effect.In this paper,we attempted to investigate whether the novel CD59 inhibitor,recombinant ILYd4,was effective in enhancing the rituximab-mediated CDC effect on rituximab-sensitive RL-7 lymphoma cells and rituximab-induced resistant RR51.2 cells.Meanwhile,the CDC effects,which were mediated by rituximab and anti-CD24 mAb,on the refractory multiple myeloma(MM)cell line ARH-77 and the solid tumor osteosarcoma cell line Saos-2,were respectively investigated.We found that rILYd4 rendered the refractory cells sensitive to the mAb-mediated CDC effect and that rILYd4 exhibited a synergistic effect with the mAb that resulted in tumor cells lysis.This effect on tumor cell lysis was apparent on both hematological tumors and solid tumors.Therefore,rILYd4 may serve as an adjuvant for mAb mediated-tumor immunotherapy.Tao You Weiguo Hu Xiaowen Ge Jingnan Shen Xuebin Qin 2011Cellular & Molecular Immunology2011,8,2:6
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