Lc Gc North America最新文献

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Identification of a Novel Splice Variant Isoform of TREM-1 in Human Neutrophil Granules. 人中性粒细胞颗粒中 TREM-1 的一种新型剪接变异异构体的鉴定
4区 化学
Lc Gc North America Pub Date : 2015-12-15 Epub Date: 2015-11-11 DOI: 10.4049/jimmunol.1402713
Sankar Baruah, Kathy Keck, Michelle Vrenios, Marshall R Pope, Merideth Pearl, Kevin Doerschug, Julia Klesney-Tait
{"title":"Identification of a Novel Splice Variant Isoform of TREM-1 in Human Neutrophil Granules.","authors":"Sankar Baruah, Kathy Keck, Michelle Vrenios, Marshall R Pope, Merideth Pearl, Kevin Doerschug, Julia Klesney-Tait","doi":"10.4049/jimmunol.1402713","DOIUrl":"10.4049/jimmunol.1402713","url":null,"abstract":"<p><p>Triggering receptor expressed on myeloid cells-1 (TREM-1) is critical for inflammatory signal amplification. Humans have two forms of TREM-1: a membrane receptor, associated with the adaptor DAP12, and a soluble receptor detected at times of infection. The membrane receptor isoform acts synergistically with the TLR pathway to promote cytokine secretion and neutrophil migration, whereas the soluble receptor functions as a counterregulatory molecule. In multiple models of sepsis, exogenous administration of soluble forms of TREM-1 attenuates inflammation and markedly improves survival. Despite intense interest in soluble TREM-1, both as a clinical predictor of survival and as a therapeutic tool, the origin of native soluble TREM-1 remains controversial. Using human neutrophils, we identified a 15-kDa TREM-1 isoform in primary (azurophilic) and secondary (specific) granules. Mass spectrometric analysis, ELISA, and immunoblot confirm that the 15-kDa protein is a novel splice variant form of TREM-1 (TREM-1sv). Neutrophil stimulation with Pseudomonas aeruginosa, LPS, or PAM(3)Cys4 resulted in degranulation and release of TREM-1sv. The addition of exogenous TREM-1sv inhibited TREM-1 receptor-mediated proinflammatory cytokine production. Thus, these data reveal that TREM-1 isoforms simultaneously activate and inhibit inflammation via the canonical membrane TREM-1 molecule and this newly discovered granular isoform, TREM-1sv.</p>","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"19 1","pages":"5725-31"},"PeriodicalIF":0.0,"publicationDate":"2015-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4670805/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88054388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultra High Efficiency Protein Separations with Submicrometer Silica Using Slip Flow. 亚微米二氧化硅滑流超高效蛋白质分离。
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2012-10-01
Benjamin J Rogers, Bingchuan Wei, Mary J Wirth
{"title":"Ultra High Efficiency Protein Separations with Submicrometer Silica Using Slip Flow.","authors":"Benjamin J Rogers,&nbsp;Bingchuan Wei,&nbsp;Mary J Wirth","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"30 10","pages":"890-897"},"PeriodicalIF":0.9,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4176710/pdf/nihms426491.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32706953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical Method Transfer 分析方法转移
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2012-04-24 DOI: 10.1201/B12039-9
M. Swartz, I. Krull
{"title":"Analytical Method Transfer","authors":"M. Swartz, I. Krull","doi":"10.1201/B12039-9","DOIUrl":"https://doi.org/10.1201/B12039-9","url":null,"abstract":"The objective of a formal method transfer is to ensure that the receiving laboratory is well trained, qualified to run the method in question, and gets the same results witing experimental error as the iniating laboratory. The development and validation of robust methods and strict adherence to well documented standart operating procedures is the best way to ensure the ultimate sucess of the methode. This installment of ''Validation Viewponit'' examines the analytical method transfer process, including protocol, documentation, and some possible chromatographic pitfalls to avoid.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"24 1","pages":"179-188"},"PeriodicalIF":0.9,"publicationDate":"2012-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1201/B12039-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"65975173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Chemometrical Experimental Design‐Based Optimization Studies in Capillary Electrophoresis Applications 基于化学计量学实验设计的毛细管电泳应用优化研究
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2009-11-03 DOI: 10.1002/9780470530191.CH3
R. Montes, T. Riveros, Froseen Dahdouh, G. Hanrahan, F. Gomez
{"title":"Chemometrical Experimental Design‐Based Optimization Studies in Capillary Electrophoresis Applications","authors":"R. Montes, T. Riveros, Froseen Dahdouh, G. Hanrahan, F. Gomez","doi":"10.1002/9780470530191.CH3","DOIUrl":"https://doi.org/10.1002/9780470530191.CH3","url":null,"abstract":"A synopsis of the authors' work detailing the use of chemometric response surface methodology (RSM) in two capillary electrophoresis (CE) studies is described. They demonstrate the usefulness of employing RSM to specific CE applications, thereby proving the utility of chemometrics design in experimental optimization.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"125 6","pages":"75-91"},"PeriodicalIF":0.9,"publicationDate":"2009-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50658097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
M.S. Tswett and the invention of chromatography ms . Tswett和色谱法的发明
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2008-06-01 DOI: 10.1142/9781860949449_0005
L. Ettre
{"title":"M.S. Tswett and the invention of chromatography","authors":"L. Ettre","doi":"10.1142/9781860949449_0005","DOIUrl":"https://doi.org/10.1142/9781860949449_0005","url":null,"abstract":"On the occasion of the centenary of the invention of chromatography, this month's Milestones in Chromatography column chronicles the life and activities of its inventor, his struggle for acceptance, and, finally, the triumph of his technique.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"21 1","pages":"458-467"},"PeriodicalIF":0.9,"publicationDate":"2008-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1142/9781860949449_0005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64008118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Jim waters : The development of GPC and the first commercial HPLC instruments 吉姆·沃特斯:GPC的发展和第一个商用HPLC仪器
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2008-06-01 DOI: 10.1142/9781860949449_0029
L. Ettre
{"title":"Jim waters : The development of GPC and the first commercial HPLC instruments","authors":"L. Ettre","doi":"10.1142/9781860949449_0029","DOIUrl":"https://doi.org/10.1142/9781860949449_0029","url":null,"abstract":"This month's installment of Milestones in Chromatography deals with the involvement of James L. Waters in two major chromatography developments: the introduction of instrumentation for gel-permeation chromatography and the establishment of Waters Associates as the Liquid Chromatography People.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"23 1","pages":"101-106"},"PeriodicalIF":0.9,"publicationDate":"2008-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64008755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The development of the amino acid analyzer 氨基酸分析仪的研制
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2006-01-01 DOI: 10.1142/9781860949449_0019
L. Ettre
{"title":"The development of the amino acid analyzer","authors":"L. Ettre","doi":"10.1142/9781860949449_0019","DOIUrl":"https://doi.org/10.1142/9781860949449_0019","url":null,"abstract":"This installment of “Millestones in Chromatography”discusses the events leading to the development of the amino acid analyzer near the end of the 1950s at The Rockefeller Institute of Medical Research by Moore, Stein, and Spackman.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"37 1","pages":"390-400"},"PeriodicalIF":0.9,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64008245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Implementing New Technology in a Regulated Environment 在受规管的环境下实施新科技
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2006-01-01 DOI: 10.1201/B12039-10
M. Swartz, I. Krull
{"title":"Implementing New Technology in a Regulated Environment","authors":"M. Swartz, I. Krull","doi":"10.1201/B12039-10","DOIUrl":"https://doi.org/10.1201/B12039-10","url":null,"abstract":"Over the course of a drug product's life (as much as 15-20 years or more) many significant advances in technology will occur. Implementing new analytical techniques (for example, capillary electrophoresis), or advances in existing technology (for example, sub-2-μm liquid chromatography [LC]) can significantly impact business practices (return on investment) and product quality. However, in a regulated laboratory, implementing new technology can present many challenges.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"24 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1201/B12039-10","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"65975166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bridging the performance gap from analytical to preparative chromatography : Efficient target isolation from a complex mixture 弥合从分析色谱到制备色谱的性能差距:从复杂混合物中有效地分离目标
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2005-01-01 DOI: 10.1021/cen-v083n023.obc
Fang Xia, Jie Y. Cavanaugh, D. Diehl
{"title":"Bridging the performance gap from analytical to preparative chromatography : Efficient target isolation from a complex mixture","authors":"Fang Xia, Jie Y. Cavanaugh, D. Diehl","doi":"10.1021/cen-v083n023.obc","DOIUrl":"https://doi.org/10.1021/cen-v083n023.obc","url":null,"abstract":"SunFire C 18 analytical and OBD preparative columns are designed to provide maximum loadability in simple mobile phase conditions, accurate scalability, and high peak capacity.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"1 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1021/cen-v083n023.obc","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57657555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Janák-type gas chromatographs of the 1950s 上世纪50年代的Janák-type气相色谱仪
IF 0.9 4区 化学
Lc Gc North America Pub Date : 2002-01-01 DOI: 10.1142/9781860949449_0021
L. Ettre
{"title":"The Janák-type gas chromatographs of the 1950s","authors":"L. Ettre","doi":"10.1142/9781860949449_0021","DOIUrl":"https://doi.org/10.1142/9781860949449_0021","url":null,"abstract":"A special type of instrument that permitted the volume of collected fractions to be read directly was very popular in the early days of gas chromatography. This Milestones in Chromatography column deals with the development and applications of this long-forgotten unit.","PeriodicalId":17992,"journal":{"name":"Lc Gc North America","volume":"20 1","pages":"866-874"},"PeriodicalIF":0.9,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64008478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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