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| 1 | Mammalian WTAP is a regulatory subunit of the RNA N6-methyladenosine methyltransferase显示文摘包含 methyltransferase 建筑群的象 3 一样的 methyltransferase (METTL3 ) 催化 N6-methyladenosine (m6A ) 形成,一个新奇 epitranscriptomic 标记;然而,这建筑群的性质仍然保持大部分未知。这里,我们报导人的 m6A methyltransferase 建筑群, Wilm 的肿瘤 1 伙伴蛋白质(WTAP ) 和象 14 一样的 methyltransferase (METTL14 ) 的二个新部件。WTAP 与 METTL3 和 METTL14 交往,并且为他们的本地化被要求进在 vivo 与处理因素的 pre-mRNA 并且为 m6A methyltransferase 的催化活动充实的原子点缀。RNA 的多数在 vivo 由 WTAP 和 METTL3 跳了代表包含一致 m6A 主题的 mRNAs。当 WTAP 不在时, METTL3 的 RNA 有约束力的能力强烈被减少,建议 WTAP 可以工作调整到 mRNA 目标的 m6A methyltransferase 建筑群的招募。而且,在有 photoactivatable-ribonucleoside-enhanced crosslinking 和 immunoprecipitation (同等片断) 的联合的 transcriptomic 分析说明那 WTAP 和 METTL3 调整涉及抄写并且 RNA 处理的基因拼接的表示和选择。在 zebrafish 胚胎的调停 Morpholino 的击倒的指向 WTAP 或 METTL3 引起了织物区别缺点并且增加了 apoptosis。这些调查结果提供 WTAP 可以在 m6A methyltransferase 建筑群作为一个规章的子单元工作并且在 RNA 的 epitranscriptomic 规定起一个关键作用的充分证据新陈代谢。 | Xiao-Li Ping Bao-Fa Sun Lu Wang Wen Xiao Xin Yang Wen-Jia Wang Samir Adhikari Yue Shi Ying Lv Yu-Sheng Chen Xu Zhao Ang Li Ying Yang Ujwal Dahal Xiao-Min Lou Xi Liu Jun Huang Wei-Ping Yuan Xiao-Fan Zhu Tao Cheng Yong-Liang Zhao Xinquan Wang Jannie M Rendtlew Danielsen Feng Liu Yun-Gui Yang | 2014 | Cell Research2014,24,2: | 244 |
| 2 | FTO-dependent demethylation of N6-methyladenosine regulates mRNA splicing and is required for adipogenesis显示文摘 | Xu Zhao Ying Yang Bao-Fa Sun Yue Shi Xin Yang Wen Xiao Ya-Juan Hao Xiao-Li Ping Yu-Sheng Chen Wen-Jia Wang Kang-Xuan Jin Xing Wang Chun-Min Huang Yu Fu Xiao-Meng Ge Shu-Hui Song Hyun Seok Jeong Hiroyuki Yanagisawa Yamei Niu Gui-Fang Jia Wei Wu Wei-Min Tong Akimitsu Okamoto Chuan He Jannie M Rendtlew Danielsen Xiu-Jie Wang Yun-Gui Yang | 2014 | Cell Research2014,24,12: | 109 |
| 3 | Oncofetal antigen glypican-3 as a promising early diagnostic marker for hepatocellular carcinoma显示文摘BACKGROUND:Hepatocellular carcinoma (HCC) is characterized by a multi-cause,multi-stage and multi-focus process of tumor progression.Its prognosis is poor and early diagnosis is of utmost importance.This study was undertaken to investigate the dynamic expression of oncofetal antigen glypican-3 (GPC-3) and GPC-3 mRNA in hepatocarcinogenesis and to explore their early diagnostic value for HCC.METHODS:A hepatoma model was induced in male Sprague-Dawley rats with 0.05% 2-fluorenylacetamide and confirmed by hematoxylin and eosin staining and gamma-glutamyltransferase (GGT) expression.Total RNA was purified and transcribed into cDNA by reverse transcription.Fragments of the GPC-3 gene were amplified by nested RT-PCR,and confirmed by sequencing.GPC-3 was analyzed by immunohistochemistry,Western blotting or ELISA.RESULTS:Positive GPC-3 expression showed as brown granule-like staining localized in the cytoplasm.Histological examination of hepatocytes revealed three morphological stages of granule-like degeneration,atypical hyperplasia (precancerous),and cancer formation,with a progressive increase of liver total RNA and GGT expression.The incidence of liver GPC-3 mRNA and GPC-3,and serum GPC-3 was 100%,100% and 77.8% in the HCC group,100%,100%,and 66.7% in the precancerous group,83.3%,83.3%,and 38.9% in the degeneration group,and no expression in the liver or blood of the control group,respectively.There was a positive correlation between liver GPC-3 mRNA and total RNA level (r=0.475,P<0.05) or liver GPC-3 (r=1.0,P<0.001) or serum GPC-3 (r= 0.994,P<0.001).CONCLUSION:Abnormal oncofetal antigen GPC-3 and GPC-3 mRNA expression in hepatocarcinogenesis may be promising molecular markers for early diagnosis of HCC. | Research Center of Clinical Medicine,Affiliated Hospital of Nantong University,Nantong 226001,China (Yao M,Yao DF,Qiu LW,Wu W,Sai WL,Yang JL and Zhang HJ) Department of Oncology,Yancheng First People’s Hospital,Yancheng 224001,China (Bian YZ) Department of Oncology,Second Affiliated Hospital,Nanjing Medical University,Nanjing 210011,China (Zhang CG) | 2011 | Hepatobiliary & Pancreatic Diseases International2011,10,3: | 51 |
| 4 | The modulation of co-stimulatory molecules by circulating exosomes in primary biliary cirrhosis显示文摘Exosomes 是 endocytic 起源的 nanoparticles,由由他们调制 cell-to-cell 通讯的能力的优点正在吸引增加的注意的无数房间人口藏匿了。他们也在许多免疫学的问题正在吸引注意,包括 autoimmunity 和,特别地调整 cytokine 和 chemokine 激活的他们的能力。主要胆汁的肝硬化(PBC ) 被认为一个模型自体免疫疾病,它对胆汁的上皮的房间有高度集中的细胞毒素的回答。我们与 PBC 和 30 健康控制(HC ) 从 29 个病人从血浆孤立 exosomes,并且用一个前 vivo 系统在 mononuclear 房间人口在 co-stimulatory 分子表示和 cytokine 生产上学习了这些 exosomes 的效果。我们也与 HC exosomes 相比在 PBC 识别了 microRNA (miRNA ) 人口。我们此处报导尽管 exosomes 不改变 cytokine 生产,他们显著地确实在介绍抗原的人口上改变 co-stimulatory 分子表示。进一步,我们在 CD14 + 单核白血球上表明了那 CD86 起来调整的表情,而在 CD11c + 上起来调整的 CD40 由从有 PBC 的病人的 exosomes 的树枝状的房间。另外,有在有 PBC 的病人的传播 exosomes 的 miRNA 表示的差别。这些数据基于 co-stimulatory 分子玩的观察有重要重要性在 T 房间激活的规定的一个微分角色。我们的观察显示从 PBC 的异常 exosomes 有选择地在介绍抗原的房间的不同子集导致 co-stimulatory 分子的表示。这些改变可以在自体免疫的肝疾病的致病包含。 | Takashi Tomiyama Guo-Xiang Yang Ming Zhao Weici Zhang Hajime Tanaka Jing Wang Patrick SC Leung Kazuiclli Okazaki Xiao-Song He Qianjin Lu Ross L Coppel Christopher L Bowlus M Eric Gershwin | 2017 | Cellular & Molecular Immunology2017,14,3: | 18 |
| 5 | Out of southern East Asia: the natural history of domestic dogs across the world显示文摘 | Guo-Dong Wang Weiwei Zhai He-Chuan Yang Lu Wang LioZhong Yan-Hu Liu Ruo-Xi Fan Ting-Ting Yin Chun-Ling Zhu Andrei D Poyarkov David M Irwin Marjo K Hytonen Hannes Lohi Chung-I Wu Peter Savolainen Ya-Ping Zhang | 2016 | Cell Research2016,26,1: | 16 |
| 6 | The role of vascular endothelial growth factor in ossification显示文摘Osteogenesis and angiogenesis are two closely correlated processes during bone growth,development,remodelling and repair. Vascular endothelial growth factor (VEGF) is an essential mediator during the process of angiogenesis. Based on an extensive literature search,which was carried out using the PubMed database and the Keywords of osteogenesis, VEGF, endochondral ossification and intramembranous ossification, this manuscript reviews the role of VEGF in ossification, with emphasis on its effect in endochondral and intramembranous ossification. Osteogenesis and angiogenesis are closely correlated processes. VEGF acts as an essential mediator during these processes. It not only functions in bone angiogenesis but also in various aspects of bone development. | Yan-Qi Yang Ying-Ying Tan Ricky Wong Alex Wenden Lin-Kun Zhang A bakr M Rabie | 2012 | International Journal of Oral Science2012,4,2: | 14 |
| 7 | The calcium sensing receptor: from calcium sensing to signaling显示文摘The Ca2+-sensing receptor(the Ca SR),a G-protein-coupled receptor,regulates Ca2+ homeostasis in the body by monitoring extracellular levels of Ca2+([Ca2+]o) and responding to a diverse array of stimuli.Mutations in the Ca2+-sensing receptor result in hypercalcemic or hypocalcemic disorders,such as familial hypocalciuric hypercalcemia,neonatal severe primary hyperparathyroidism,and autosomal dominant hypocalcemic hypercalciuria.Compelling evidence suggests that the Ca SR plays multiple roles extending well beyond not only regulating the level of extracellular Ca2+ in the human body,but also controlling a diverse range of biological processes.In this review,we focus on the structural biology of the Ca SR,the ligand interaction sites as well as their relevance to the disease associated mutations.This systematic summary will provide a comprehensive exploration of how the Ca SR integrates extracellular Ca2+ into intracellular Ca2+ signaling. | ZHANG Chen MILLER Cassandra Lynn BROWN Edward M YANG Jenny J. | 2015 | Science China(Life Sciences)2015,58,1: | 14 |
| 8 | 肾管状囊性癌临床病理和分子特征显示文摘 | Yang X J Zhou M Hes O 张仁亚(摘译) | 2008 | 临床与实验病理学杂志2008,24,1: | 13 |
| 9 | 慢性肾脏病中的炎症和动脉硬化:慢性肾功能不全队列研究中的发现显示文摘慢性肾脏病(chronic kidney disease,CKD)和动脉硬化程度与心血管病发病率和死亡率增加相关。目前认为炎症在动脉硬化发展中发挥作用,而CKD被认为是一种促炎症反应的状态。CKD患者的动脉僵硬度增加,横断面数据提示CKD中增多的炎症标志物与较高动脉僵硬度值相关。 | Peyster E Chen J Feldman HI Go AS Gupta J Mitra N Pan Q Porter A Rahman M Raj D Reilly M Wing MR Yang W Townsend RR 陈云 叶鹏 | 2017 | 中华高血压杂志2017,25,11: | 12 |
| 10 | 加拿大新生儿重症监护病房早产儿机械通气期间麻醉镇痛药和镇静剂应用趋势的回顾性研究(英文)显示文摘早产儿气管插管有创机械通气可引起患儿不适,但是否导致疼痛仍存有争议。已发表的荟萃分析显示,早产儿机械通气期间应用麻醉镇痛药并未减轻患儿疼痛。因此,不推荐对新生儿重症监护病房(NICU)机械通气早产儿常规应用麻醉镇痛药和镇静剂。假设目前加拿大NICU早产儿机械通气过程中麻醉镇痛药和镇静剂的使用呈下降趋势。该研究回顾性分析了2004~2009年间出生胎龄<35周、需要有创机械通气>24 h的早产儿接受镇静剂和麻醉镇痛药使用的趋势。入院时处于濒死状态、先天畸形、需要外科手术(除外眼科激光手术)、坏死性小肠结肠炎、胸腔置管引流或孕母有麻醉药品滥用史的早产儿不纳入该研究。根据早产儿是否接受麻醉镇痛药(如吗啡、芬太尼、美沙酮、舒芬太尼、杜冷丁、阿芬太尼和可待因等)或镇静剂(如水合氯醛、咪达唑仑、劳拉西泮、苯巴比妥、戊巴比妥、氯胺酮和丙泊酚)以及早产儿胎龄(胎龄<29周和胎龄29~34周)分组,采用Cochrane-Armitage趋势分析方法评估早产儿麻醉镇痛药和镇静剂的应用趋势。5 638名早产儿符合纳入标准,其中2 169名(38.5%)应用了麻醉镇痛药,897名(15.9%)应用了镇静剂,722名(12.8%)同时接受了麻醉镇痛药和镇静剂治疗。最常用的麻醉镇痛药是吗啡(62.2%)和芬太尼(63.8%);最常用的镇静剂是苯巴比妥(44.9%)和水合氯醛(44.2%)。镇静剂的使用在胎龄<29周和胎龄29~34周两组早产儿中均呈明显的下降趋势(P<0.01);但胎龄<29周组早产儿麻醉镇痛药的使用显著增加(P=0.03),胎龄29~34周组麻醉镇痛药的使用未发现明显的趋势变化。经历有创机械通气的新生儿有疼痛感受吗?机体会产生应激反应吗?据成人有创通气的研究结果报道,约25%的ICU患者出院后仍记得在ICU住院期间的感受,并承认经历气管插管和有创机械通气的过程是很痛苦的。然而,现实中很难区分患者的疼痛感受是由于ICU住院期间的有创通气引起,抑或是因在ICU住院期间躯体的疾病或其他因素所致。同理,对于住院期间早产儿皮质醇水平的升高,是由于疾病的严重程度或因机械通气引起的疼痛和/或应激所致同样很难鉴别。查阅大量文献发现,有创机械通气期间麻醉镇痛药或镇静剂的使用并没有减轻患者的痛苦,然而药物潜在的不良反应却令人担忧。但目前在NICU住院早产儿有创机械通气过程中,给患儿应用麻醉镇痛药或镇静剂仍然是很普遍的现象。该研究数据来自于加拿大新生儿协作网,该协作网覆盖了加拿大全国范围内30家三甲医院。样本量大,数据收集方法有效、可靠,这是该研究的主要优势。其主要不足在于机械通气早产儿没有明确的应用镇静或麻醉镇痛药物的指征,一些分析只能是从现有的数据外推。此外,该研究早产儿上机过程中其他非药物镇痛替代措施的应用,也可能会高估或低估麻醉镇痛药/镇静剂的作用。其他的影响因素还包括:缺乏疾病的严重度、上机时间以及麻醉镇痛/镇静药物应用的评估依据,以及研究资料未能收集到上机过程中环境因素或非药物干预措施减轻患儿不适/应激/疼痛的数据,所以不能对机械通气过程中麻醉镇痛/镇静剂使用趋势做出更为深入的解释。目前,令人担忧的是,机械通气过程中接受阿片类药物镇痛的早产儿是受药物不良反应影响的高风险人群,而这些药物在这个群体中的应用又呈现增加趋势;但如果对NICU住院早产儿经历的疼痛和应激不予管理,也会对其神经系统发育产生近期和远期的不良影响。因此,在临床实践中,必须对早产儿的疼痛采用量表进行评估,根据循证医学指南指导麻醉镇痛药和镇静剂的应用,从患儿舒适的角度制定治疗和护理方案。尽管麻醉镇痛药和镇静剂可能的潜在不良反应的否定证据也逐渐增加,但加拿大新生儿医师仍然担忧机械通气早产儿连续应用麻醉镇痛药和镇静剂以及肌松剂的不良反应。用非药物的措施减轻机械通气患儿的不适/应激/疼痛的研究日益增多并受到广泛的关注,且有巨大的应用前景。一些在研的、旨在减轻早产儿上机过程中经历的中等程度的疼痛/应激、同时又尽可能限制药物不良反应并考虑到对患儿远期神经发育影响药物的研究已经得到批准。另外,住院新生儿经历的慢性疼痛也引起了许多学者的重视,且也成为一个新兴的研究热点,需要学者们开展更深入的研究。小结:加拿大NICU胎龄<35周的机械通气早产儿镇静剂的使用呈下降趋势,临床应用遵循了循证医学的证据,但麻醉镇痛药的使用在胎龄29~34周早产儿组并没有变化,且超低胎龄早产儿组(胎龄<29周)麻醉镇痛药的使用呈增加趋势。加拿大的新生儿医师在决定是否给有创机械通气的早产儿使用麻醉镇痛/镇静剂时是慎重的,但该研究结果显示加拿大NICU早产儿机械通气期间麻醉镇痛药的使用并没有呈下降趋势,其原因尚需进一步深入研究。 | Jennifer M Toye Lucia Mirea Junmin Yang Koravangattu Sankaran 刘玲 | 2018 | 中国当代儿科杂志2018,20,1: | 11 |
| 11 | Bacterial biota in reflux esophagitis and Barrett's esophagus显示文摘AIM: To identify the bacterial flora in conditions such as Barrett's esophagus and reflux esophagitis to determine if they are similar to normal esophageal flora.METHODS: Using broad-range 16S rDNA PCR,esophageal biopsies were examined from 24 patients [9with normal esophageal mucosa, 12 with gastroesophageal reflux disease (GERD), and 3 with Barrett's esophagus].Two separate broad-range PCR reactions were performed for each patient, and the resulting products were cloned.In one patient with Barrett's esophagus, g9 PCR clones were analyzed.RESULTS: Two separate clones were recovered from each patient (total = 48), representing 24 different species, with 14 species homologous to known bacteria,5 homologous to unidentified bacteria, and 5 were not homologous (<97% identity) to any known bacterial 16S rDNA sequences. Seventeen species were found in the reflux esophagitis patients, 5 in the Barrett's esophagus patients, and 10 in normal esophagus patients.Further analysis concentrating on a single biopsy from an individual with Barrett's esophagus revealed the presence of 21. distinct bacterial species. Members of four phyla were represented, including Bacteroidetes,Firmicutes, Proteobacteria, and Actinobacteria.Microscopic examination of each biopsy demonstrated bacteria in intimate association with the distal esophageal epithelium, suggesting that the presence of these bacteria is not transitory.CONCLUSION: These findings provide evidence for a complex, residential bacterial population in esophageal reflux-related disorders. While much of this biota is present in the normal esophagus, more detailed comparisons may help identify potential disease associations. | Zhiheng Pei Liying Yang Richard M Peek Jr Steven M Levine David T Pride Martin J Blaser | 2005 | World Journal of Gastroenterology2005,11,46: | 11 |
| 12 | Cyclosporin A impairs dendritic cell migration by regulating chemokine receptor expression and inhibiting cyclooxygenase-2 expression显示文摘 | Chen T Guo J Yang M Han C Zhang M Chen W Liu Q Wang J Cao X | 2005 | 第二军医大学学报2005,26,11: | 11 |
| 13 | Metformin does not improve survival in patients with hepatocellular carcinoma显示文摘AIM:To assess whether metformin,which has a chemopreventive effect in chronic liver disease,has any chemotherapeutic effect in hepatocellular carcinoma.METHODS:This was a retrospective study of 701 patients with newly diagnosed hepatocellular carcinoma(HCC)seen between January 2005 and June 2011 at Mayo Clinic,Rochester,Minnesota.This patient cohort was a part of the global HCC BRIDGE study,which is a large longitudinal study of HCC determining the realworld experience of HCC characteristics,management and patient outcomes.We defined significant metformin exposure as continuation of this agent at least 90d beyond diagnosis of HCC,and compared survival of diabetic patients on metformin to diabetic patients not on metformin and non-diabetics.RESULTS:Our cohort was 72.9%male,with a mean±SD age of 62.6±12.3 years.The most common etiologies of liver disease were hepatitis C(34%),alcoholic liver disease(29%),fatty liver disease(15%)and hepatitis B(9%).By univariate analysis,using diabetics not on metformin as the reference group,diabetic patients with HCC on metformin had no survival advantage,with a HR(95%CI)of 1.0(0.8-1.3).Non-diabetic HCC patients also did not appear to have a survival advantage as compared to diabetic HCC patients not on metformin,as demonstrated by a HR(95%CI)of1.1(0.7-1.7).Diabetics on metformin beyond 90 d after HCC diagnosis had a longer median survival at 34.2 mo,as compared to 25.5 mo among diabetic patients who were not on metformin or had discontinued metformin within 90 d after HCC diagnosis.This finding was likely due to potential survival bias among those who lived long enough to receive metformin.CONCLUSION:Although the literature suggests a chemotherapeutic effect in other malignancies,our study demonstrates no survival benefit to the use of metformin in diabetic patients with HCC. | Mamatha Bhat Roongruedee Chaiteerakij William S Harmsen Cathy D Schleck Ju Dong Yang Nasra H Giama Terry M Therneau Gregory J Gores Lewis R Roberts | 2014 | World Journal of Gastroenterology2014,20,42: | 11 |
| 14 | Detection of dietary plant-based small RNAs in animals显示文摘 | Jian Yang Lisa M Farmer Abia AA Agyekum Kendal D Hirschi | 2015 | Cell Research2015,25,4: | 9 |
| 15 | Potent antitumor efficacy of an E1B 55kDa-deficient adenovirus carrying murine endostatin in hepatocellular carcinoma显示文摘 | Li G Sham J Yang J Su C Xue H Chua D Sun L Zhang Q Cui Z Wu M Qian Q | 2005 | 第二军医大学学报2005,26,11: | 9 |
| 16 | 肾脏的小管状囊性癌:临床病理和分子学特征显示文摘 | Yang X J Zhou M Hes O 黄文斌(摘译) | 2008 | 临床与实验病理学杂志2008,24,3: | 9 |
| 17 | Pyrrolidine dithiocarbamate reduces ischemia-reperfusion injury of the small intestine显示文摘AIM: To evaluate whether pyrrolidine dithiocarbamate (PDTC), an enhancer of HO production, attenuates intestinal IR injury.METHODS: Eighteen male rats were randomly allocated into three groups: (a) sham; (b) IR, consisting of 30 min of intestinal ischemia, followed by 2-h period of reperfusion; and (c) PDTC treatment before IR. Intestinal microvascular perfusion (IMP) was monitored continuously by laser Doppler fiowmetry. At the end of the reperfusion, serum samples for lactate dehydrogenase (LDH) levels and biopsies of ileum were obtained. HO activity in the ileum was assessed at the end of the reperfusion period.RESULTS: At the end of the reperfusion in the IR group,IMP recovered partially to 42.5% of baseline (P<0.05vs sham), whereas PDTC improved IMP to 67.3% of baseline (P<0.01 vs IR). There was a twofold increase in HO activity in PDTC group (2 062.66±106.11) as compared to IR (842.3±85.12) (P<0.001). LDH was significantly reduced (P<0.001) in PDTC group (585.6±102.4)as compared to IR group (1 973.8±306.5). Histological examination showed that the ileal mucosa was significantly less injured in PDTC group as compared with IR group.CONCLUSION: Our study demonstrates that PDTC improves the IMP and attenuates IR injury of the intestine possibly via HO production. Additional studies are warranted to evaluate the clinical efficacy of PDTC in the prevention of IR injury of the small intestine. | Ismail H Mallick Wen-Xuan Yang Marc C Winslet Alexander M Seifalian | 2005 | World Journal of Gastroenterology2005,11,46: | 8 |
| 18 | Convergent genomic signatures of high-altitude adaptation among domestic mammals显示文摘Abundant and diverse domestic mammals living on the Tibetan Plateau provide useful materials for investigating adaptive evolution and genetic convergence.Here,we used 327 genomes from horses,sheep,goats,cattle,pigs and dogs living at both high and low altitudes,including 73 genomes generated for this study,to disentangle the genetic mechanisms underlying local adaptation of domestic mammals.Although molecular convergence is comparatively rare at the DNA sequence level,we found convergent signature of positive selection at the gene level,particularly the EPAS1 gene in these Tibetan domestic mammals.We also reported a potential function in response to hypoxia for the gene C10 orf67,which underwent positive selection in three of the domestic mammals.Our data provide an insight into adaptive evolution of high-altitude domestic mammals,and should facilitate the search for additional novel genes involved in the hypoxia response pathway. | Dong-Dong Wu Cui-Ping Yang Ming-Shan Wang Kun-Zhe Dong Da-Wei Yan Zi-Qian Hao Song-Qing Fan Shu-Zhou Chu Qiu-Shuo Shen Li-Ping Jiang Yan Li Lin Zeng He-Qun Liu Hai-Bing Xie Yun-Fei Ma Xiao-Yan Kong Shu-Li Yang Xin-Xing Dong Ali Esmailizadeh David M Irwin Xiao Xiao Ming Li Yang Dong Wen Wang Peng Shi Hai-Peng Li Yue-Hui Ma Xiao Gou Yong-Bin Chen Ya-Ping Zhang | 2020 | National Science Review2020,7,6: | 7 |
| 19 | A review of UHMWPE wear-induced osteolysis:the role for early detection of the immune response显示文摘In a world where increasing joint arthroplasties are being performed on increasingly younger patients,osteolysis as the leading cause of failure after total joint arthroplasty(TJA) has gained considerable attention.Ultra-high molecular weight polyethylene wear-induced osteolysis is the process by which prosthetic debris mechanically released from the surface of prosthetic joints induces an immune response that favors bone catabolism, resulting in loosening of prostheses with eventual failure or fracture. The immune response initiated is innate in that it is nonspecific and self-propagating, with monocytic cells and osteoclasts being the main effectors. To date, detecting disease early enough to implement effective intervention without unwanted systemic side effects has been a major barrier. These barriers can be overcome using newer in vivo imaging techniques and modules linked with fluorescence and/or chemotherapies. We discuss the pathogenesis of osteolysis, and provide discussion of the challenges with imaging and therapeutics. We describe a positron emission tomography imaging cinnamoyl-Phe-(D)-Leu-Phe-(D)-Leu-Phe-Lys module,specific to macrophages, which holds promise in early detection of disease and localization of treatment.Further research and increased collaboration among therapeutic and three-dimensional imaging researchers are essential in realizing a solution to clinical osteolysis in TJA. | Adrese M Kandahari Xinlin Yang Kevin A Laroche Abhijit S Dighe Dongfeng Pan Quanjun Cui | 2016 | Bone Research2016,4,2: | 7 |
| 20 | Lattice Boltzmann Flux Solver:An Efficient Approach for Numerical Simulation of Fluid Flows显示文摘A lattice Boltzmann flux solver(LBFS)is presented for simulation of fluid flows.Like the conventional computational fluid dynamics(CFD)solvers,the new solver also applies the finite volume method to discretize the governing differential equations,but the numerical flux at the cell interface is not evaluated by the smooth function approximation or Riemann solvers.Instead,it is evaluated from local solution of lattice Boltzmann equation(LBE)at cell interface.Two versions of LBFS are presented in this paper.One is to locally apply one-dimensional compressible lattice Boltzmann(LB)model along the normal direction to the cell interface for simulation of compressible inviscid flows with shock waves.The other is to locally apply multi-dimensional LB model at cell interface for simulation of incompressible viscous and inviscid flows.The present solver removes the drawbacks of conventional lattice Boltzmann method(LBM)such as limitation to uniform mesh,tie-up of mesh spacing and time interval,limitation to viscous flows.Numerical examples show that the present solver can be well applied to simulate fluid flows with non-uniform mesh and curved boundary. | Shu Chang Wang Y Yang L M Wu J | 2014 | Transactions of Nanjing University of Aeronautics and Astronautics2014,31,1: | 7 |