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Human Monoclonal antibodies

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https://www.readbyqxmd.com/read/28214995/development-and-characterization-of-monoclonal-antibody-against-human-il-37b
#1
Yu-Chi Gao, Yan Jia, De-Qian Xiao, Xin Wang, You-Chao Dai, Shi-Yan Yu, Chen Chen, Ze-Gang Zhuang, Xiao-Xia Fu, Jun-Ai Zhang, Bi-Ying Zheng, Zhi-Hong Chen, Ji-Xin Zhong, Zhang-Quan Chen, Jun-Fa Xu
IL-37 has been described as a natural inhibitor of immune responses. Monoclonal antibody (mAb) against human IL-37b with high affinity and specificity can serve as a molecular probe to detect IL-37 and study IL-37 functions, mechanisms and related signal pathways in inflammatory diseases. However, there are very few such mAbs against human IL-37 commercially available so far. In the current study, monoclonal antibodies against human IL-37b were developed by fusing splenocytes from immunized mouse with SP2/0 myeloma cells and polyethylene glycol...
February 18, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28214171/g-protein-based-elisa-as-a-potency-test-for-rabies-vaccines
#2
Martine Chabaud-Riou, Nadège Moreno, Fabien Guinchard, Marie Claire Nicolai, Elisabeth Niogret-Siohan, Nicolas Sève, Catherine Manin, Françoise Guinet-Morlot, Patrice Riou
The NIH test is currently used to assess the potency of rabies vaccine, a key criterion for vaccine release. This test is based on mice immunization followed by intracerebral viral challenge. As part of global efforts to reduce animal experimentation and in the framework of the development of Sanofi Pasteur next generation, highly-purified vaccine, produced without any material of human or animal origin, we developed an ELISA as an alternative to the NIH test. This ELISA is based on monoclonal antibodies recognizing specifically the native form of the viral G-protein, the major antigen that induces neutralizing antibody response to rabies virus...
February 14, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28213687/ofatumumab-for-the-treatment-of-childhood-nephrotic-syndrome
#3
Chia-Shi Wang, Rochelle Schmidt Liverman, Rouba Garro, Roshan Punnoose George, Anastacia Glumova, Alana Karp, Stephanie Jernigan, Barry Warshaw
BACKGROUND: Ofatumumab is a humanized anti-CD20 monoclonal antibody that has recently garnered interest as a potential therapeutic agent for nephrotic syndrome. We report our center's experience in administering ofatumumab to five pediatric patients with idiopathic nephrotic syndrome. METHODS: Between March 2015 and November 2016, five patients were treated with ofatumumab. One patient had post-transplant recurrent focal segmental glomerulosclerosis (FSGS) which had been resistant to plasmapheresis and numerous immunosuppressive agents...
February 17, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28213566/a-randomised-phase-iib-study-of-mavrilimumab-a-novel-gm-csf-receptor-alpha-monoclonal-antibody-in-the-treatment-of-rheumatoid-arthritis
#4
Gerd R Burmester, Iain B McInnes, Joel Kremer, Pedro Miranda, Mariusz Korkosz, Jiri Vencovsky, Andrea Rubbert-Roth, Eduardo Mysler, Matthew A Sleeman, Alex Godwood, Dominic Sinibaldi, Xiang Guo, Wendy I White, Bing Wang, Chi-Yuan Wu, Patricia C Ryan, David Close, Michael E Weinblatt
OBJECTIVES: Despite the therapeutic value of current rheumatoid arthritis (RA) treatments, agents with alternative modes of action are required. Mavrilimumab, a fully human monoclonal antibody targeting the granulocyte-macrophage colony-stimulating factor receptor-α, was evaluated in patients with moderate-to-severe RA. METHODS: In a phase IIb study (NCT01706926), patients with inadequate response to ≥1 synthetic disease-modifying antirheumatic drug(s), Disease Activity Score 28 (DAS28)-C reactive protein (CRP)/erythrocyte sedimentation rate ≥3...
February 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28212372/molecular-biology-of-gastroesophageal-cancers-opportunities-and-challenges
#5
Shaheer Khan, Sameh Mikhail, Joanne Xiu, Mohamed E Salem
Gastroesophageal (GE) malignancies make up a significant and growing segment of newly diagnosed cancers. Approximately 80% of patients who have GE cancers die within 5 years of diagnosis, which means that effective treatments for these malignancies need to be found. Currently, targeted therapies have a minimal role in this disease group. Intensive study of the molecular biology of GE cancers is a relatively new and ongoing venture, but it has already led to a significant increase in our understanding of these malignancies...
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28212060/pembrolizumab-as-second-line-therapy-for-advanced-urothelial-carcinoma
#6
Joaquim Bellmunt, Ronald de Wit, David J Vaughn, Yves Fradet, Jae-Lyun Lee, Lawrence Fong, Nicholas J Vogelzang, Miguel A Climent, Daniel P Petrylak, Toni K Choueiri, Andrea Necchi, Winald Gerritsen, Howard Gurney, David I Quinn, Stéphane Culine, Cora N Sternberg, Yabing Mai, Christian H Poehlein, Rodolfo F Perini, Dean F Bajorin
Background Patients with advanced urothelial carcinoma that progresses after platinum-based chemotherapy have a poor prognosis and limited treatment options. Methods In this open-label, international, phase 3 trial, we randomly assigned 542 patients with advanced urothelial cancer that recurred or progressed after platinum-based chemotherapy to receive pembrolizumab (a highly selective, humanized monoclonal IgG4κ isotype antibody against programmed death 1 [PD-1]) at a dose of 200 mg every 3 weeks or the investigator's choice of chemotherapy with paclitaxel, docetaxel, or vinflunine...
February 17, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28211808/human-monoclonal-antibodies-in-the-clinic-novel-insights-into-the-choice-of-specific-targets
#7
Michael Steinitz
No abstract text is available yet for this article.
February 3, 2017: Human Antibodies
https://www.readbyqxmd.com/read/28211299/comparison-of-biodistribution-profile-of-monoclonal-antibodies-nanoparticles-and-aptamers-in-rats-with-breast-cancer
#8
Cristal Cerqueira-Coutinho, Sotiris Missailidis, Jéssica Alessandra-Perini, Daniel Escorsim Machado, Jamila Alessandra Perini, Ralph Santos-Oliveira
The use of monoclonal antibodies and aptamers is growing every single day, as the use of nanoparticle systems. Although most of the products are under investigation, there are a few commercialized products available at the market, for human consume. In this study, we have compared three formulations (aptamer anti-MUC1, monoclonal antibody - Trastuzumab and monoclonal antibodies nanoparticles - PLA/PVA/MMT trastuzumab) to identify their profile as also to understand their behavior into an alive biological system...
May 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28211277/antineoplastic-agents-603-quinstatins-exceptional-cancer-cell-growth-inhibitors
#9
George R Pettit, Noeleen Melody, Jean-Charles Chapuis
Discovery of the exceptionally powerful anticancer drug dolastatin 10 (1), contained in the sea hare Dolabella auricularia, opened a new frontier needed for improving human cancer treatment. Subsequently, major advances have been achieved based on results of structurally modifying this unusual natural peptide while maintaining the remarkable anticancer activity necessary for preparation of successful monoclonal antibody drug conjugates (ADC). Among the first several hundred SAR products based on dolastatin 10 our group synthesized and termed auristatins was auristatin E (2a)...
February 17, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28211007/daclizumab-a-review-in-relapsing-multiple-sclerosis
#10
Matt Shirley
Daclizumab (Zinbryta(®); previously known as daclizumab high-yield process) is a therapeutic monoclonal antibody that has recently been approved for the treatment of relapsing forms of multiple sclerosis (MS) in adults. Daclizumab is a humanized IgG1 monoclonal antibody directed against CD25, the alpha subunit of the high-affinity interleukin-2 receptor. As demonstrated in the phase III DECIDE trial, once-monthly subcutaneous daclizumab was superior to once-weekly intramuscular interferon (IFN) β-1a in reducing the clinical relapse rate and radiological measures of disease in patients with relapsing-remitting MS...
February 17, 2017: Drugs
https://www.readbyqxmd.com/read/28210263/a-paradigm-shift-on-the-question-of-b-cells-in-transplantation-recent-insights-on-regulating-the-alloresponse
#11
REVIEW
Daniel J Firl, Gilles Benichou, James I Kim, Heidi Yeh
B lymphocytes contribute to acute and chronic allograft rejection through their production of donor-specific antibodies (DSAs). In addition, B cells present allopeptides bound to self-MHC class II molecules and provide costimulation signals to T cells, which are essential to their activation and differentiation into memory T cells. On the other hand, both in laboratory rodents and patients, the concept of effector T cell regulation by B cells is gaining traction in the field of transplantation. Specifically, clinical trials using anti-CD20 monoclonal antibodies to deplete B cells and reverse DSA had a deleterious effect on rates of acute cellular rejection; a peculiar finding that calls into question a central paradigm in transplantation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28209777/cd6-as-a-potential-target-for-treating-multiple-sclerosis
#12
Yan Li, Nora G Singer, Joy Whitbred, Michael A Bowen, David A Fox, Feng Lin
CD6 was established as a marker of T cells more than three decades ago, and recent studies have identified CD6 as a risk gene for multiple sclerosis (MS), a disease in which autoreactive T cells are integrally involved. Nevertheless, the precise role of CD6 in regulating T-cell responses is controversial and its significance in the pathogenesis of various diseases remains elusive, partly due to the lack of animals engineered to alter expression of the CD6 gene. In this report, we found that CD6 KO mice showed decreased pathogenic T-cell responses, reduced spinal cord T-cell infiltration, and attenuated disease severity in experimental autoimmune encephalomyelitis (EAE), an animal model of MS...
February 16, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28208831/resveratrol-and-grape-extract-loaded-solid-lipid-nanoparticles-for-the-treatment-of-alzheimer-s-disease
#13
Joana A Loureiro, Stephanie Andrade, Ana Duarte, Ana Rute Neves, Joana Fontes Queiroz, Cláudia Nunes, Emmanuel Sevin, Laurence Fenart, Fabien Gosselet, Manuel A N Coelho, Maria Carmo Pereira
The aggregation of amyloid-β peptide (Aβ) has been linked to the formation of neuritic plaques, which are pathological hallmarks of Alzheimer's disease (AD). Various natural compounds have been suggested as therapeutics for AD. Among these compounds, resveratrol has aroused great interest due to its neuroprotective characteristics. Here, we provide evidence that grape skin and grape seed extracts increase the inhibition effect on Aβ aggregation. However, after intravenous injection, resveratrol is rapidly metabolized into both glucuronic acid and sulfate conjugations of the phenolic groups in the liver and intestinal epithelial cells (within less than 2 h), which are then eliminated...
February 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28207487/antibody-mediated-immune-exclusion-of-hiv
#14
Ruth M Ruprecht, Samir K Lakhashe
PURPOSE OF REVIEW: Although approximately 90% of all HIV transmissions in humans occur through mucosal contact, the induction of mucosal anti-HIV immune responses has remained understudied. Here we summarize data demonstrating the powerful protection that is achievable at mucosal frontlines through virus-specific mucosal IgA alone or combined with IgG. RECENT FINDINGS: Passive immunization with different monoclonal antibody subclasses but identical epitope specificity (the conserved V3-loop crown of HIV gp120) has revealed that the dimeric IgA1 (dIgA1) form with its open hinge can prevent simian-human immunodeficiency virus (SHIV) acquisition in rhesus macaques at a higher rate than dIgA2...
February 15, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28203118/human-u87-glioblastoma-cells-with-stemness-features-display-enhanced-sensitivity-to-natural-killer-cell-cytotoxicity-through-altered-expression-of-nkg2d-ligand
#15
Se-Jeong Oh, Jung-In Yang, Ok Kim, Eun-Jung Ahn, Woo Dae Kang, Jae-Hyuk Lee, Kyung-Sub Moon, Kyung-Hwa Lee, Duck Cho
BACKGROUND: Glioblastoma (GBM) is one of the most lethal tumors with a poor prognosis. Its inevitable recurrence is frequently explained by the presence of cancer stem cells. We aimed to show that human GBM cells with stemness features are more sensitive to natural killer (NK) cells than GBM cells without stemness characteristics. METHODS: Natural killer cell cytotoxicity was measured using flow cytometry in neurosphere-forming U87 GBM cells cultured with neurobasal media (NBE condition) and compared with that in serum-cultured U87 GBM cells (serum condition)...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28202921/a-human-programmed-death-ligand-1-expressing-mouse-tumor-model-for-evaluating-the-therapeutic-efficacy-of-anti-human-pd-l1-antibodies
#16
Anfei Huang, Di Peng, Huanhuan Guo, Yinyin Ben, Xiangyang Zuo, Fei Wu, Xiaoli Yang, Fei Teng, Zhen Li, Xueming Qian, F Xiao-Feng Qin
Huge efforts have been devoted to develop therapeutic monoclonal antibodies targeting human Programmed death-ligand 1 (hPD-L1) for treating various types of human cancers. However, thus far there is no suitable animal model for evaluating the anti-tumor efficacy of such antibodies against hPD-L1. Here we report the generation of a robust and effective system utilizing hPD-L1-expressing mouse tumor cells to study the therapeutic activity and mode of action of anti-human PD-L1 in mice. The model has been validated by using a clinically proven hPD-L1 blocking antibody...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202751/superiority-in-rhesus-macaques-of-targeting-hiv-1-env-gp140-to-cd40-versus-lox-1-in-combination-with-replication-competent-nyvac-kc-for-induction-of-env-specific-antibody-and-t-cell-responses
#17
Gerard Zurawski, Xiaoying Shen, Sandra Zurawski, Georgia D Tomaras, David C Montefiori, Mario Roederer, Guido Ferrari, Christine Lacabaratz, Peter Klucar, Zhiqing Wang, Kathryn E Foulds, Shing-Fen Kao, Xuesong Yu, Alicia Sato, Nicole L Yates, Celia LaBranche, Sherry Stanfield-Oakley, Karen Kibler, Bertram Jacobs, Andres Salazar, Steve Self, Jimmy Fulp, Raphael Gottardo, Lindsey Galmin, Deborah Weiss, Anthony Cristillo, Giuseppe Pantaleo, Yves Levy
We compared the HIV-1-specific immune responses generated by targeting HIV-1 envelope protein (Env gp140) to either CD40 or LOX-1, two endocytic receptors on dendritic cells (DCs), in Rhesus macaques primed with a poxvirus vector (NYVAC-KC) expressing Env gp140. The DC-targeting vaccines, humanized recombinant monoclonal antibodies fused to Env gp140, were administered as a boost with poly ICLC adjuvant either alone or co-administered with the NYVAC-KC vector. All the DC-targeting vaccine administrations with poly ICLC increased the low-level serum anti-Env IgG responses elicited by NYVAC-KC priming significantly more (up to P =0...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28200030/a-phase-ii-study-of-a-human-anti-pdgfr%C3%AE-monoclonal-antibody-olaratumab-imc-3g3-in-previously-treated-patients-with-unresectable-and-or-metastatic-gastrointestinal-stromal-tumors
#18
A J Wagner, H Kindler, H Gelderblom, P Schöffski, S Bauer, P Hohenberger, H-G Kopp, J A Lopez-Martin, M Peeters, P Reichardt, A Qin, J Nippgen, R L Ilaria, P Rutkowski
No abstract text is available yet for this article.
February 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28198114/immunoaffinity-knockout-of-saponin-glycosides-from-asparagus-racemosus-to-assess-anti-lipid-peroxidation
#19
Churanya Onlom, Watoo Phrompittayarat, Waraporn Putalun, Neti Waranuch, Kornkanok Ingkaninan
INTRODUCTION: Asparagus racemosus Willd (Asparagaceae family), known as Shatavari, is important in Ayurveda and traditional Thai medicines. The saponin glycosides, shatavarin I and IV are major constituents in its roots and may be responsible for their actions including protection against lipid peroxidation and carcinogenesis. OBJECTIVE: To develop an immunoaffinity column for isolating compounds with structures related to shatavarin IV from crude extracts of A...
February 15, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28196955/identification-of-human-junctional-adhesion-molecule-1-as-a-functional-receptor-for-the-hom-1-calicivirus-on-human-cells
#20
Stanislav V Sosnovtsev, Carlos Sandoval-Jaime, Gabriel I Parra, Christine M Tin, Ronald W Jones, Jo Soden, Donna Barnes, Jim Freeth, Alvin W Smith, Kim Y Green
The Hom-1 vesivirus was reported in 1998 following the inadvertent transmission of the animal calicivirus San Miguel sea lion virus to a human host in a laboratory. We characterized the Hom-1 strain and investigated the mechanism by which human cells could be infected. An expression library of 3,559 human plasma membrane proteins was screened for reactivity with Hom-1 virus-like particles, and a single interacting protein, human junctional adhesion molecule 1 (hJAM1), was identified. Transient expression of hJAM1 conferred susceptibility to Hom-1 infection on nonpermissive Chinese hamster ovary (CHO) cells...
February 14, 2017: MBio
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