维普中文期刊产品整合服务
514篇 您的检索式:作者名="THOMAS T L"
    题名 作者 年代 出处 被引量
1The hypoxia-inducible factor-1α activates ectopic production of fibroblast growth factor 23 in tumor-induced osteomalacia显示文摘Tumor-induced osteomalacia(TIO) is a rare paraneoplastic syndrome in which ectopic production of fibroblast growth factor 23(FGF23) by non-malignant mesenchymal tumors causes phosphate wasting and bone fractures. Recent studies have implicated the hypoxia-inducible factor-1α(HIF-1α) in other phosphate wasting disorders caused by elevated FGF23, including X-linked hypophosphatemic rickets and autosomal dominant hypophosphatemia. Here we provide evidence that HIF-1α mediates aberrant FGF23 in TIO by transcriptionally activating its promoter. Immunohistochemical studies in phosphaturic mesenchymal tumors resected from patients with documented TIO showed that HIF-1α and FGF23 were co-localized in spindleshaped cells adjacent to blood vessels. Cultured tumor tissue produced high levels of intact FGF23 and demonstrated increased expression of HIF-1α protein. Transfection of MC3T3-E1 and Saos-2 cells with a HIF-1α expression construct induced the activity of a FGF23 reporter construct. Prior treatment of tumor organ cultures with HIF-1α inhibitors decreased HIF-1α and FGF23 protein accumulation and inhibited HIF-1α-induced luciferase reporter activity in transfected cells. Chromatin immunoprecipitation assays confirmed binding to a HIF-1α consensus sequence within the proximal FGF23 promoter, which was eliminated by treatment with a HIF-1α inhibitor. These results show for the first time that HIF-1α is a direct transcriptional activator of FGF23 and suggest that upregulation of HIF-1α activity in TIO contributes to the aberrant FGF23 production in these patients.Qian Zhang Michele Doucet Ryan E Tomlinson Xiaobin Han L Darryl Quarles Michael T Collins Thomas L Clemens 2016Bone Research2016,4,2:6
2Efficacy and safety of liquid nitrogen cryotherapy for treatment of Barrett's esophagus显示文摘AIM To evaluate the efficacy and safety of liquid nitrogen cryotherapy as a primary or rescue treatment for BE,with and without dysplasia,or intramucosal adenocarcinoma (IMC).METHODS This was a retrospective,single-center study carried out in a tertiary care center including 45 patients with BE who was treatment-na?ve or who had persistent intestinal metaplasia(IM),dysplasia,or IMC despite prior therapy.Barrett's mucosa was resected via EMR when clinically appropriate,then patients underwent cryotherapy until eradication or until deemed to have failed treatment.Surveillance biopsies were taken at standard intervals.RESULTS From 2010 through 2014,33 patients were studied regarding the efficacy of cryotherapy.Overall,29 patients (88%) responded to cryotherapy,with 84% having complete regression of all dysplasia and cancer.Complete eradication of cancer and dysplasia was seen in 75% of subjects with IMC; the remaining two subjects did not respond to cryotherapy.Following cryotherapy,15 patients with high-grade dysplasia (HGD) had 30% complete regression,50% IM,and 7% low-grade dysplasia (LGD); one subject had persistent HGD.Complete eradication of dysplasia occurred in all 5 patients with LGD.In 5 patients with IM,complete regression occurred in 4,and IM persisted in one.In 136 cryotherapy sessions amongst 45 patients,adverse events included chest pain (1%),stricture (4%),and one gastrointestinal bleed in a patient on dual antiplatelet therapy who had previously undergone EMR.CONCLUSION Cryotherapy is an efficacious and safe treatment modality for Barrett's esophagus with and without dysplasia or intramucosal adenocarcinoma.Kristen Suchniak-Mussari Charles E Dye Matthew T Moyer Abraham Mathew Thomas J McGarrity Eileen M Gagliardi Jennifer L Maranki John M Levenick 2017World Journal of Gastrointestinal Endoscopy2017,9,9:4
3Th1 cytokines promote T-cell binding to antigen-presenting cells via enhanced hyaluronan production and accumulation at the immune synapse显示文摘Hyaluronan(HA)production by dendritic cells(DCs)is known to promote antigen presentation and to augment T-cell activation and proliferation.We hypothesized that pericellular HA can function as intercellular‘glue’directly mediating T cell–DC binding.Using primary human cells,we observed HA-dependent binding between T cells and DCs,which was abrogated upon pre-treatment of the DCs with 4-methylumbelliferone(4-MU),an agent which blocks HA synthesis.Furthermore,T cells regulate HA production by DCs via T cell-derived cytokines in a T helper(Th)subset-specific manner,as demonstrated by the observation that cell-culture supernatants from Th1 but not Th2 clones promote HA production.Similar effects were seen upon the addition of exogenous Th1 cytokines,IL-2,interferon c(IFN-c)and tumor necrosis factor a(TNF-a).The critical factors which determined the extent of DC–T cell binding in this system were the nature of the pre-treatment the DCs received and their capacity to synthesize HA,as T-cell clones which were pre-treated with monensin,added to block cytokine secretion,bound equivalently irrespective of their Th subset.These data support the existence of a feedforward loop wherein T-cell cytokines influence DC production of HA,which in turn affects the extent of DC–T cell binding.We also document the presence of focal deposits of HA at the immune synapse between T-cells and APC and on dendritic processes thought to be important in antigen presentation.These data point to a pivotal role for HA in DC–T cell interactions at the IS.Paul L Bollyky Stephen P Evanko Rebecca P Wu Susan Potter-Perigo S Alice Long Brian Kinsella Helena Reijonen Kelly Guebtner Brandon Teng Christina K Chan Kathy R Braun John A Gebe Gerald T Nepom Thomas N Wight 2010Cellular & Molecular Immunology2010,7,3:3
4Invasive Pneumococcal Disease in Children 5 Years After Conjugate Vaccine Introduction - Eight States, 1998-2005显示文摘Reingold A Hadler J Farley M M Harrison L Lynfield R Lexau C Bennett N Thomas A Craig A S Smith P J Beall B Whitney C G Moore M Pilishvili T 2008MMWR Morbidity and Mortality Weekly Report2008,,6:1
5Enteric coated HPMC capsules designed to achieve intestinal targeting显示文摘Ewart T Cole Robert A Scott Alyson L Connor Ian R Wilding Hans-U Petereit Carsten Schminke Thomas Beckert Dominique Cadé 2002International Journal of Pharmaceutics2002,,1:1
6Regulation of insulin/insulin-like growth factor-1 signaling by proteasome-mediated degradation of insulin receptor substrate-2显示文摘RUI L FISHER T L THOMAS J 2001J Biol Chem2001,276,40:1
7A family of novel basic leucine zipper proteins binds to seed-specification elements in the carrot Dc3 gene promoter 显示文摘KIM S Y THOMAS T L KIM S Y 1998Journal of Plant Physiology1998,152,6:1
8Persistence, Distribution, and Emission of Telone C35 Injected into a Florida Sandy Soil as Affected by Moisture, Organic Matter, and Plastic Film Cover显示文摘THOMAS J E OU L T ALLEN L H 2004J Environ Sci Heal Part B2004,39,4:1
9Identification of polymorphic outer membrane protein of Chlamydia psittaic 6BC 显示文摘Regina J T David L Thomas P H 2001Infect and Immun2001,69,:1
10Role of serum leptin,insulin,and estrogen levels as potential mediators of the relationship betweem fat mass and bone mineral density in men versus women显示文摘Thomas T Burguera B Melton L 2001Bone2001,29,:1
11Systematic review of diet in the pathogenesis of acute pancreatitis : a tale of too much or too little? 显示文摘THOMAS T MAH L BARRETO S G 2012Saudi J Gastreenterol2012,18,5:1
12METALLIC URETERAL STENTS FOR THE MANAGEMENT OF BENIGN UPPER URINARY TRACT OBSTRUCTION显示文摘Hector L Lopez-Huertas Anthony J Polcari Alex Acosta-Miranda Thomas M t Turk 2009The Journal of Urology2009,,4:1
13Microencapsulated cell-mediated treatment of inoperable pancreatic carcinoma显示文摘Matthias L?hr Anne Hoffmeyer Jens-Christian Kr?ger Mathias Freund Johannes Hain Albrecht Holle Peter Karle Wolfram T Kn?fel Stefan Liebe Petra Müller Horst Nizze Matthias Renner Robert M Saller Thomas Wagner Karlheinz Hauenstein Walter H Günzburg Brian Sa 2001The Lancet2001,,9268:1
14New Orange-Red Emitting Phosphor La3 NbOT: Eu3 + under Blue Excitation 显示文摘Francis L T Ran P P Thomas M 2012Materials Letters2012,81,:1
15Improvednumerical dissipation for time integration algorithms instructural dynamics 显示文摘Hans M H Thomas J H Robert L T 1977Earthquake Engineering andStructural Dynamics1977,5,3:1
16Optimizing esteri- fieation of safflower, cottonseed, castor and used cottonseed oils显示文摘THOMAS T P BIRNEY D M AULD D L 2013Industrial Crops and Products2013,41,:1
17CTX-M-type extendedspectrum beta-lactamase that hydrolyzes ceftazidime through a single amino acid substitution in the omega loop显示文摘Poirel L Naas T Le Thomas I 2001Antimicrob Agents Chemother2001,45,12:1
18Investigation of benzene oxide in bone marrow and other tissues of F344 rats following metabolism of benzene in vitro and in vivo 显示文摘Andrew B L Karen YO C Suramya W Thomas A M Bernard T G Stephen M R 1998Chemical Research in Toxicology1998,11,4:1
19Synthesis of multispectral images to high spatial resolution:a critical review of fusion methods based on remote sensing physics显示文摘THOMAS C RANCHIN T WALD L 2008IEEE Transaction on Geoscience and Remote Sensing2008,46,5:1
20Anim Sci 显示文摘Kornegay E T Thomas H R Handlin D L 198152:14-171981,52,:1
返回顶部 每页显示:
共26页 首页 上一页 第1页 下一页 末页 /26 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费