نتایج جستجو برای: biolayer interferometry

تعداد نتایج: 11333  

Journal: :Antibody therapeutics 2023

Abstract Background As the most abundant immunoglobulin in blood and common human isotype used for therapeutic monoclonal antibodies, engagement subsequent activation of its Fc receptors by IgGs are crucial antibody function. While generally assumed to be relatively constant within subtypes, recent studies reveal that variable regions can exert distal effects modulating antibody–receptor intera...

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2016
Kanon Fukasawa Yuichiro Higashimoto Yoshihiro Motomiya Yoshinori Uji Yukio Ando

Dialysis-related amyloidosis (DRA) is characterized by accumulation of amyloid β2- microglobulin (β2m) in the interstitial matrix. Matrix substances such as heparin have reportedly been strongly implicated in the pathogenesis of dialysis-related amyloidosis. In clinical setting of hemodialysis, two types of heparin, i.e., high and low molecular heparin (H.M.H. and L.M.H.) have been routinely us...

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Journal: :Scientific reports 2015
Atsuhiro Kanda Kousuke Noda Wataru Saito Susumu Ishida

Vascular endothelial growth factor (VEGF)-A-driven angiogenesis contributes to various disorders including cancer and proliferative diabetic retinopathy (PDR). Among several VEGF-A blockers clinically used is aflibercept, a chimeric VEGFR1/VEGFR2-based decoy receptor fused to the Fc fragment of IgG1 (i.e., VEGFR1/VEGFR2-Fc). Here, we revealed a novel anti-angiogenic function for aflibercept bey...

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Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Yi Pu Lin Xiaoli Xiong Stephen A Wharton Stephen R Martin Peter J Coombs Sebastien G Vachieri Evangelos Christodoulou Philip A Walker Junfeng Liu John J Skehel Steven J Gamblin Alan J Hay Rodney S Daniels John W McCauley

The hemagglutinin (HA) of influenza A(H3N2) virus responsible for the 1968 influenza pandemic derived from an avian virus. On introduction into humans, its receptor binding properties had changed from a preference for avian receptors (α2,3-linked sialic acid) to a preference for human receptors (α2,6-linked sialic acid). By 2001, the avidity of human H3 viruses for avian receptors had declined,...

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Journal: :The Journal of biological chemistry 2016
Matthew McCallum Stephanie Tammam Dustin J Little Howard Robinson Jason Koo Megha Shah Charles Calmettes Trevor F Moraes Lori L Burrows P Lynne Howell

Pseudomonas aeruginosa is an opportunistic bacterial pathogen that expresses type IVa pili. The pilus assembly system, which promotes surface-associated twitching motility and virulence, is composed of inner and outer membrane subcomplexes, connected by an alignment subcomplex composed of PilMNOP. PilM binds to the N terminus of PilN, and we hypothesize that this interaction causes functionally...

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Journal: :Blood 2016
Hiroshi Deguchi Ranjeet K Sinha Patrizia Marchese Zaverio M Ruggeri Jevgenia Zilberman-Rudenko Owen J T McCarty Mitchell J Cohen John H Griffin

To test the hypothesis that skeletal muscle myosins can directly influence blood coagulation and thrombosis, ex vivo studies of the effects of myosin on thrombogenesis in fresh human blood were conducted. Addition of myosin to blood augmented the thrombotic responses of human blood flowing over collagen-coated surfaces (300 s-1 shear rate). Perfusion of human blood over myosin-coated surfaces a...

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2016
Pooja Dua Shuo Ren Sang Wook Lee Joon-Ki Kim Hye-su Shin OK-Chan Jeong Soyoun Kim Dong-Ki Lee

Escherichia coli are important indicator organisms, used routinely for the monitoring of water and food safety. For quick, sensitive and real-time detection of E. coli we developed a 2'F modified RNA aptamer Ec3, by Cell-SELEX. The 31 nucleotide truncated Ec3 demonstrated improved binding and low nano-molar affinity to E. coli. The aptamer developed by us out-performs the commercial antibody an...

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2017
Johanna M Jansen Charles Wartchow Wolfgang Jahnke Susan Fong Tiffany Tsang Keith Pfister Tatiana Zavorotinskaya Dirksen Bussiere Jan Marie Cheng Kenneth Crawford Yumin Dai Jeffrey Dove Eric Fang Yun Feng Jean-Michel Florent John Fuller Alvar D Gossert Mohammad Hekmat-Nejad Chrystèle Henry Julia Klopp William P Lenahan Andreas Lingel Sylvia Ma Arndt Meyer Yuji Mishina Jamie Narberes Gwynn Pardee Savithri Ramurthy Sebastien Rieffel Darrin Stuart Sharadha Subramanian Laura Tandeske Stephania Widger Armin Widmer Aurelie Winterhalter Isabel Zaror Stephen Hardy

RAS mutations lead to a constitutively active oncogenic protein that signals through multiple effector pathways. In this chemical biology study, we describe a novel coupled biochemical assay that measures activation of the effector BRAF by prenylated KRASG12V in a lipid-dependent manner. Using this assay, we discovered compounds that block biochemical and cellular functions of KRASG12V with low...

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2018
Sofia B Carvalho Ana Sofia Moreira Joana Gomes Manuel J T Carrondo David J Thornton Paula M Alves Julia Costa Cristina Peixoto

Mucins are high-molecular weight glycoproteins (0.25-20 MDa) containing one or more domains that are heavily O-glycosylated. Their implications as targets for cancer treatment have increased the interest in these glycoproteins, mainly in the fields of vaccines and antibodies. However, mucins present high heterogeneity, posing challenges that affect purification processes and quality control ana...

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Journal: :Biochemistry 2013

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function paginate(evt) { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term pg=parseInt(evt.target.text) var data={ "year":filter_year, "term":term, "pgn":pg } filtered_res=post_and_fetch(data,url) window.scrollTo(0,0); } function update_search_meta(search_meta) { meta_place=document.getElementById("search_meta_data") term=search_meta.term active_pgn=search_meta.pgn num_res=search_meta.num_res num_pages=search_meta.num_pages year=search_meta.year meta_place.dataset.term=term meta_place.dataset.page=active_pgn meta_place.dataset.num_res=num_res meta_place.dataset.num_pages=num_pages meta_place.dataset.year=year document.getElementById("num_result_place").innerHTML=num_res if (year !== "unfilter"){ document.getElementById("year_filter_label").style="display:inline;" document.getElementById("year_filter_place").innerHTML=year }else { document.getElementById("year_filter_label").style="display:none;" document.getElementById("year_filter_place").innerHTML="" } } function update_pagination() { search_meta_place=document.getElementById('search_meta_data') num_pages=search_meta_place.dataset.num_pages; active_pgn=parseInt(search_meta_place.dataset.page); document.getElementById("pgn-ul").innerHTML=""; pgn_html=""; for (i = 1; i <= num_pages; i++){ if (i===active_pgn){ actv="active" }else {actv=""} pgn_li="
  • " +i+ "
    • "; pgn_html+=pgn_li; } document.getElementById("pgn-ul").innerHTML=pgn_html var pgn_links = document.querySelectorAll('.mypgn'); pgn_links.forEach(function(pgn_link) { pgn_link.addEventListener('click', paginate) }) } function post_and_fetch(data,url) { showLoading() xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8'); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var resp = xhr.responseText; resp_json=JSON.parse(resp) resp_place = document.getElementById("search_result_div") resp_place.innerHTML = resp_json['results'] search_meta = resp_json['meta'] update_search_meta(search_meta) update_pagination() hideLoading() } }; xhr.send(JSON.stringify(data)); } function unfilter() { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":"unfilter", "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } function deactivate_all_bars(){ var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(bar) { bar.dataset.active = false bar.style = "stroke:#71a3c5;" }) } year_chart.on("created", function() { var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(check) { check.addEventListener('click', checkIndex); }) }); function checkIndex(event) { var yrchart = document.querySelectorAll('.ct-bar'); var year_bar = event.target if (year_bar.dataset.active == "true") { unfilter_res = unfilter() year_bar.dataset.active = false year_bar.style = "stroke:#1d2b3699;" } else { deactivate_all_bars() year_bar.dataset.active = true year_bar.style = "stroke:#e56f6f;" filter_year = chart_data['labels'][Array.from(yrchart).indexOf(year_bar)] url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":filter_year, "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } } function showLoading() { document.getElementById("loading").style.display = "block"; setTimeout(hideLoading, 10000); // 10 seconds } function hideLoading() { document.getElementById("loading").style.display = "none"; } -->