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Ku antibody

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https://www.readbyqxmd.com/read/29915201/comparative-assessment-of-graves-disease-and-main-extrathyroidal-manifestation-graves-ophthalmopathy-by-non-targeted-metabolite-profiling-of-blood-and-orbital-tissue
#1
Dong Yoon Ji, Se Hee Park, Soo Jin Park, Kyoung Heon Kim, Cheol Ryong Ku, Dong Yeob Shin, Jin Sook Yoon, Do Yup Lee, Eun Jig Lee
Graves' disease (GD) is an autoimmune disorder that causes the overproduction of thyroid hormones and consequent cascade of systemic metabolism dysfunction. Moreover, Graves' ophthalmopathy (GO) is the main extrathyroidal manifestation of Graves' disease (GD). The goal of the study was to identify metabolic signatures in association with diagnostic biomarkers of GD without GO and GO, respectively. Ninety metabolites were profiled and analyzed based on a non-targeted primary metabolite profiling from plasma samples of 21 GD patients without GO, 26 subjects with GO, and 32 healthy subjects...
June 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29912176/mk-0677-a-ghrelin-agonist-alleviates-amyloid-beta-related-pathology-in-5xfad-mice-an-animal-model-of-alzheimer-s-disease
#2
Yu-On Jeong, Soo Jung Shin, Jun Yong Park, Bo Kyeong Ku, Ji Soo Song, Jwa-Jin Kim, Seong Gak Jeon, Sang Min Lee, Minho Moon
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder characterized by cognitive deficits, neuroinflammation, and neuronal death. The primary pathogenic cause is believed to be the accumulation of pathogenic amyloid beta (Aβ) assemblies in the brain. Ghrelin, which is a peptide hormone predominantly secreted from the stomach, is an endogenous ligand for the growth hormone secretagogue-receptor type 1a (GHS-R1a). MK-0677 is a ghrelin agonist that potently stimulates the GHS-R1a ghrelin receptor...
June 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29906252/pembrolizumab-for-patients-with-refractory-or-relapsed-thymic-epithelial-tumor-an-open-label-phase-ii-trial
#3
Jinhyun Cho, Hae Su Kim, Bo Mi Ku, Yoon-La Choi, Razvan Cristescu, Joungho Han, Jong-Mu Sun, Se-Hoon Lee, Jin Seok Ahn, Keunchil Park, Myung-Ju Ahn
Purpose Limited treatment options exist for patients with thymic epithelial tumor (TET) whose disease progresses after platinum-based chemotherapy. We conducted a phase II study of pembrolizumab in patients with TET to evaluate its efficacy and safety. Methods Patients with histologically confirmed TET whose disease progressed after at least one line of platinum-based chemotherapy were eligible for the study. Patients were excluded if they had an active autoimmune disease requiring systemic treatment within the past year or documented history of clinically severe autoimmune disease...
June 15, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29899114/directed-evolution-of-a-picomolar-affinity-high-specificity-antibody-targeting-phosphorylated-tau
#4
Dan Li, Lei Wang, Brandon F Maziuk, Xudong Yao, Benjamin Wolozin, Yong Ku Cho
Antibodies are essential biochemical reagents for detecting protein post-translational modifications (PTMs) in complex samples. However, recent efforts in developing PTM-targeting antibodies have reported frequent non-specific binding and limited affinity of such antibodies. To address these challenges, we investigated whether directed evolution could be applied to improve the affinity of a high-specificity antibody targeting phospho-threonine 231 (pT231) of the human microtubule-associated protein tau. On the basis of existing structural information, we hypothesized that improving antibody affinity may come at the cost of loss in specificity...
June 13, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29876540/spatial-and-temporal-confined-photothermolysis-of-cancer-cells-mediated-by-hollow-gold-nanospheres-targeted-to-epidermal-growth-factor-receptors
#5
Geng Ku, Qian Huang, Xiaoxia Wen, John Ye, David Piwnica-Worms, Chun Li
To date, a few studies have investigated the potential use of a short-pulsed laser in selective tumor cell destruction or its mechanism of cell killing. Computer simulation of the spatial and temporal profiles of temperature elevation after pulsed laser irradiation on an infinitesimal point source estimated that the temperature reached its highest point at ∼35 ns after a single 15 ns laser pulse. Moreover, temperature elevation was confined to a radius of sub-micrometer and returned to baseline within 100 ns...
May 31, 2018: ACS Omega
https://www.readbyqxmd.com/read/29777794/regulatory-t-cell-targeted-hybrid-nanoparticles-combined-with-immuno-checkpoint-blockage-for-cancer-immunotherapy
#6
Wenquan Ou, Raj Kumar Thapa, Liyuan Jiang, Soe Zar Chi, Milan Gautam, Jae-Hoon Chang, Jee-Heon Jeong, Sae Kwang Ku, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Immunosuppression in tumor microenvironments induced by regulatory T (Treg) cells is regarded a critical mechanism of tumor immune escape and poses a major impediment to cancer immunotherapy. In this study, we developed tLyp1 peptide-conjugated hybrid nanoparticles for targeting Treg cells in the tumor microenvironment. The tLyp1 peptide-modified hybrid nanoparticles presented good stability and effective targeting to Treg cells, and they enhanced the effect of imatinib in downregulating Treg cell suppression through inhibition of STAT3 and STAT5 phosphorylation...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29751934/cytoskeleton-associated-protein-4-is-a-novel-serodiagnostic-marker-for-lung-cancer
#7
Kengo Yanagita, Ryo Nagashio, Shi-Xu Jiang, Yuki Kuchitsu, Kazuo Hachimura, Masaaki Ichinoe, Satoshi Igawa, Eriko Fukuda, Naoki Goshima, Yukitoshi Satoh, Yoshiki Murakumo, Makoto Saegusa, Yuichi Sato
Our aim was to develop a serodiagnostic marker for lung cancer. Monoclonal antibodies were generated, and one antibody designated as KU-Lu-1, recognizing cytoskeleton-associated protein 4 (CKAP4), was studied further. To evaluate the utility of KU-Lu-1 antibody as a serodiagnostic marker for lung cancer, reverse-phase protein array analysis was performed with sera of 271 lung cancer patients and 100 healthy controls. CKAP4 was detected in lung cancer cells and tissues, and its secretion into the culture supernatant was also confirmed...
June 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29576870/nivolumab-induced-fulminant-diabetic-ketoacidosis-followed-by-thyroiditis
#8
Ploutarchos Tzoulis, Richard W Corbett, Swarupini Ponnampalam, Elly Baker, Daniel Heaton, Triada Doulgeraki, Justin Stebbing
Five days following the 3rd cycle of nivolumab, a monoclonal antibody, which acts as immune checkpoint inhibitor against the programmed cell death protein-1, for metastatic lung adenocarcinoma, a 56-year-old woman presented at the hospital critically ill. On admission, she had severe diabetic ketoacidosis (DKA), as evidenced by venous glucose of 47 mmol/L, blood ketones of 7.5 mmol/L, pH of 6.95 and bicarbonate of 6.6 mmol/L. She has had no personal or family history of diabetes mellitus (DM), while random venous glucose, measured 1 week prior to hospitalisation, was 6...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29554481/the-transgenic-chicken-derived-anti-cd20-monoclonal-antibodies-exhibits-greater-anti-cancer-therapeutic-potential-with-enhanced-fc-effector-functions
#9
Young Min Kim, Jin Se Park, Sang Kyung Kim, Kyung Min Jung, Young Sun Hwang, Mookyoung Han, Hong Jo Lee, Hee Won Seo, Jeong-Yong Suh, Beom Ku Han, Jae Yong Han
Modern genetic techniques, enable the use of animal bioreactor systems for the production and functional enhancement of anti-cancer antibodies. Chicken is the most efficient animal bioreactor for the production of anti-cancer antibodies because of its relatively short generation time, plentiful reproductive capacity, and daily deposition in the egg white. Although several studies have focused on the production of anti-cancer antibodies in egg white, in-depth studies of the biological activity and physiological characteristics of transgenic chicken-derived anti-cancer antibodies have not been fully carried out...
June 2018: Biomaterials
https://www.readbyqxmd.com/read/29453582/the-clinical-phenotype-of-patients-positive-for-antibodies-to-myositis-and-myositis-related-disorders
#10
S G Gofrit, H Yonath, M Lidar, Y Shoenfeld, S Kivity
Inflammatory myopathies are a clinically diverse group of diseases, in which the detection of particular autoantibodies may facilitate diagnosis, treatment, and prognosis. The aim of this report is to summarize our experience with specific autoantibody testing in patients with inflammatory myopathies. Data were collected over the last decade in the Autoimmune Center of the Sheba Medical Center, a tertiary referral hospital. Data regarding patients' positive for autoantibodies against Jo-1, PL-7, PL-12, SRP, Mi-2, Ku, and PM-Scl antigens were retrospectively collected...
May 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29431238/basigin-expression-as-a-prognostic-indicator-in-stage-i-pulmonary-adenocarcinoma
#11
Toshihide Matsumoto, Ryo Nagashio, Shinichiro Ryuge, Satoshi Igawa, Makoto Kobayashi, Eriko Fukuda, Naoki Goshima, Masaaki Ichinoe, Shi-Xu Jiang, Yukitoshi Satoh, Noriyuki Masuda, Yoshiki Murakumo, Makoto Saegusa, Yuichi Sato
We established the KU-Lu-8 monoclonal antibody (MoAb) using a lung cancer cell line as an antigen and a random immunization method. The KU-Lu-8 MoAb recognizes basigin (BSG), which is a transmembrane-type glycoprotein that is strongly expressed on the cell membranes of lung cancer cells. This study aimed to clarify the relationships between BSG expression and clinicopathological parameters and determine the prognostic significance of BSG expression in pulmonary adenocarcinoma (AC) patients. To evaluate the significance of BSG expression in lung cancer, we immunohistochemically analyzed 113 surgically resected pulmonary adenocarcinomas, and the associations between BSG expression and various clinicopathological parameters were evaluated...
April 2018: Pathology International
https://www.readbyqxmd.com/read/29409951/benralizumab-efficacy-by-atopy-status-and-serum-immunoglobulin-e-for-patients-with-severe-uncontrolled-asthma
#12
Bradley E Chipps, Paul Newbold, Ian Hirsch, Frank Trudo, Mitchell Goldman
BACKGROUND: Patients with severe asthma can have eosinophilic inflammation and/or allergen sensitization. Benralizumab is an anti-eosinophilic monoclonal antibody indicated for add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype. OBJECTIVE: To investigate the efficacy of benralizumab by atopic status and serum immunoglobulin E (IgE) concentrations. METHODS: We analyzed pooled results from the SIROCCO (NCT01928771) and CALIMA (NCT01914757) phase III studies...
May 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29406744/amine-reactive-poly-pentafluorophenyl-acrylate-brush-platforms-for-cleaner-protein-purification
#13
Hyunjoo Son, Jayoung Ku, Yoosik Kim, Sheng Li, Kookheon Char
Reactive pentafluorophenyl acrylate (PFPA) polymer brushes grafted on silica particles were prepared using surface-initiated reversible addition and fragmentation chain transfer polymerization. The polymer brush was successfully immobilized with antibody, then used for protein separation. The immunoprecipitated proteins showed successful enrichment of target protein, with reduced nonspecific background and less contamination from eluted antibodies. To further improve protein recovery, the hydrophobic poly(PFPA) brush was modified with hydrophilic poly(ethylene glycol) (PEG)...
March 12, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29355679/efficacy-and-safety-of-dupilumab-in-perennial-allergic-rhinitis-and-comorbid-asthma
#14
Steven F Weinstein, Rohit Katial, Shyamalie Jayawardena, Gianluca Pirozzi, Heribert Staudinger, Laurent Eckert, Vijay N Joish, Nikhil Amin, Jaman Maroni, Paul Rowe, Neil M H Graham, Ariel Teper
BACKGROUND: Dupilumab, an anti-IL-4 receptor α mAb, inhibits IL-4/IL-13 signaling, key drivers of type 2/TH 2 immune diseases (eg, atopic/allergic disease). In a pivotal, phase 2b study (NCT01854047), dupilumab reduced severe exacerbations, improved lung function and quality of life, and was generally well tolerated in patients with uncontrolled persistent asthma despite using medium-to-high-dose inhaled corticosteroids plus long-acting β2-agonists. OBJECTIVE: To examine dupilumab's effect on the 22-item Sino-Nasal Outcome Test (SNOT-22) total score and its allergic rhinitis (AR)-associated items in asthma patients with comorbid perennial allergic rhinitis (PAR)...
January 31, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29329274/current-technologies-of-electrochemical-immunosensors-perspective-on-signal-amplification
#15
REVIEW
Il-Hoon Cho, Jongsung Lee, Jiyeon Kim, Min-Soo Kang, Jean Kyung Paik, Seockmo Ku, Hyun-Mo Cho, Joseph Irudayaraj, Dong-Hyung Kim
An electrochemical immunosensor employs antibodies as capture and detection means to produce electrical charges for the quantitative analysis of target molecules. This sensor type can be utilized as a miniaturized device for the detection of point-of-care testing (POCT). Achieving high-performance analysis regarding sensitivity has been one of the key issues with developing this type of biosensor system. Many modern nanotechnology efforts allowed for the development of innovative electrochemical biosensors with high sensitivity by employing various nanomaterials that facilitate the electron transfer and carrying capacity of signal tracers in combination with surface modification and bioconjugation techniques...
January 12, 2018: Sensors
https://www.readbyqxmd.com/read/29246006/significance-of-ki-67-in-non-muscle-invasive-bladder-cancer-patients-a-systematic-review-and-meta-analysis
#16
Kyungtae Ko, Chang Wook Jeong, Cheol Kwak, Hyeon Hoe Kim, Ja Hyeon Ku
Purpose: This meta-analysis evaluated the prognostic significance of Ki-67 in non-muscle invasive bladder cancer (NMIBC). Materials and Methods: We selected 39 articles including 5,229 patients from Embase, Scopus, and PubMed searches. The primary outcomes, recurrence-free survival (RFS), progression-free survival (PFS), disease-specific survival (DSS), and overall survival (OS) were determined using time-to event hazard ratios (HRs) with 95% confidence intervals (CIs)...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29201788/prevalence-of-hepatitis-b-virus-and-hepatitis-c-virus-in-a-tea-garden-of-bangladesh
#17
Mamun Al Mahtab, Shamima Akhter, Kutub U Mollick, Mohammad H Uddin, Sakirul I Khan, Sheikh Mf Akbar
Introduction: The overall health status of workers of tea garden of Bangladesh is below the national standard. Also, almost nothing has been reported about status of hepatitis virus infection among these population and there is also a lack of consensus. Materials and methods: Several health-related facts, especially those of liver diseases, were collected from 130 workers of tea garden via questionnaire. Sera were also collected from these subjects to assess positivity of hepatitis B surface antigen (HBsAg) and antibody to hepatitis C virus (anti-HCV)...
January 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29151520/dropped-head-syndrome-and-the-presence-of-rimmed-vacuoles-in-a-muscle-biopsy-in-scleroderma-polymyositis-overlap-syndrome-associated-with-anti-ku-antibody
#18
Takeshi Yoshida, Mai Yoshida, Kinjo Mitsuyo, Manabu Jonosono, Itsuro Higuchi
A 66-year-old woman with a history of interstitial lung disease presented with a 3-month history of dropped head syndrome (DHS), followed by camptocormia and extremity weakness. A clinical examination revealed Raynaud phenomenon, arthralgia, distal skin sclerosis, and microbleeds in the nailfold capillaries. An anti-Ku antibody test was positive. A muscle biopsy revealed inflammatory myopathy with rimmed vacuoles (RVs). The diagnosis of scleroderma-polymyositis (SSc-PM) overlap syndrome was made. RVs on a muscle biopsy in a patient with inflammatory myositis involving axial muscles may be seen either in inclusion body myositis or SSc-PM overlap syndrome...
March 15, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29129664/hemistepsin-a-ameliorates-acute-inflammation-in-macrophages-via-inhibition-of-nuclear-factor-%C3%AE%C2%BAb-and-activation-of-nuclear-factor-erythroid-2-related-factor-2
#19
Jae Kwang Kim, Ji Eun Lee, Eun Hye Jung, Ji Yun Jung, Dae Hwa Jung, Sae Kwang Ku, Il Je Cho, Sang Chan Kim
Hemistepsin A (HsA) is a sesquiterpene lactone isolated from Hemistepta lyrata (Bunge) Bunge. We investigated the anti-inflammatory effects of HsA and sought to determine its mechanisms of action in macrophages. HsA pretreatment inhibited nitric oxide production, and reduced the expression of iNOS and COX-2 in Toll-like receptor ligand-stimulated RAW 264.7 cells. Additionally, HsA decreased the secretion of proinflammatory cytokines in lipopolysaccharide (LPS)-stimulated Kupffer cells as well as in RAW 264...
January 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29129093/xxxxx
#20
Tomas G Lyons, Geoffrey Y Ku
The poor prognosis for patients with esophagogastric cancers (EGC) requires the development of newer more effective therapies to further improve the treatment outcomes for this disease. Immunotherapy is a novel treatment strategy that is dramatically changing the treatment landscape for several types of cancers. Cytotoxic T lymphocyte antigen-4 (CTLA-4) and programmed death the programmed death (PD)-1/PD-ligand are essential immune checkpoint inhibitors that suppress T cell activation. Targeting of these immune checkpoints with monoclonal antibodies has shown clinical efficacy in several solid tumors which has led to their approval and use in routine clinical practice...
October 2017: Chinese Clinical Oncology
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