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https://www.readbyqxmd.com/read/28602759/construction-and-screening-of-a-lentiviral-secretome-library
#1
Tao Liu, Panpan Jia, Huailei Ma, Sean A Reed, Xiaozhou Luo, H Benjamin Larman, Peter G Schultz
Over 2,000 human proteins are predicted to be secreted, but the biological function of the many of these proteins is still unknown. Moreover, a number of these proteins may act as new therapeutic agents or be targets for the development of therapeutic antibodies. To further explore the extracellular proteome, we have developed a secretome-enriched open reading frame (ORF) library that can be readily screened for autocrine activity in cell-based phenotypic or reporter assays. Next-generation sequencing (NGS) and database analysis predict that the library contains approximately 900 ORFs encoding known secreted proteins (accounting for 77...
June 22, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28529481/topical-ophthalmic-formulation-of-trichostatin-a-and-surr9-c84a-for-quick-recovery-post-alkali-burn-of-corneal-haze
#2
Kislay Roy, Chun Hei Antonio Cheung, Rupinder K Kanwar, Rajat Sandhir, Jagat R Kanwar
Alkali burn injury is a true ocular emergency of the conjunctiva and cornea that requires immediate precision. Lack of an immediate therapy can lead to a substantial damage in the ocular surface and anterior segment further causing visual impairment and disfigurement. We explored the regenerative capability of dominant negative survivin protein (SurR9-C84A) and histone deacetylase inhibitor trichostatin-A (TSA) in vivo, in a rat alkali burn model. A topical insult in rat eyes with NaOH led to degradation of the conjunctival and corneal epithelium...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28494931/hemophagocytic-lymphohistiocytosis-in-acute-african-swine-fever-clinic
#3
Z R Karalyan, Z R Ter-Pogossyan, N Yu Karalyan, Z B Semerjyan, M R Tatoyan, S A Karapetyan, E M Karalova
INTRODUCTION: Hemophagocytic lymphohistiocytosis (HLH) usually has been defined as the combination of a proliferation of cytologically benign, actively phagocytic macrophages in bone marrow, spleen, lymph nodes, etc. in association with fever, cytopenia, splenomegaly, and hypertriglyceridemia. HLH is often triggered by viral infection. The aim of this study was to ascertain the features of HLH involvement in African swine fever virus (ASFV) (genotype II) pathogenesis. METHODS: The serum levels of macrophage colony-stimulating factor (MCSF) and granulocyte-macrophage colony-stimulating factor (GMCSF), as well as the histological constitution (for hemophagocytic macrophages detection) of various organs of pigs infected with ASFV genotype II were investigated...
May 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28484308/anti-inflammatory-effects-of-the-mediterranean-diet-in-the-early-and-late-stages-of-atheroma-plaque-development
#4
Rosa Casas, Mireia Urpi-Sardà, Emilio Sacanella, Sara Arranz, Dolores Corella, Olga Castañer, Rosa-María Lamuela-Raventós, Jordi Salas-Salvadó, José Lapetra, Maria P Portillo, Ramón Estruch
Objective. To evaluate the long-term effects of a Mediterranean diet (MeDiet) intervention on the plasma concentrations of inflammatory and plaque stability-related molecules in elderly people at high risk for cardiovascular disease. Design and Setting. 66 participants from primary care centers affiliated with the Hospital Clinic of Barcelona were randomized into 3 groups: MeDiet plus extra virgin olive oil (EVOO) or nuts and a low-fat diet (LFD). At baseline and at 3 and 5 years, we evaluated the changes in the plasma concentrations of 24 inflammatory biomarkers related to the different stages of the atherosclerotic process by Luminex®...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28476594/studying-in-vitro-phagocytosis-of-apoptotic-cancer-cells-by-recombinant-gmcsf-treated-raw-264-7-macrophages
#5
Vanitha Selvarajan, Anil Parsram Bidkar, Rajib Shome, Aditi Banerjee, Nidhi Chaubey, Siddhartha S Ghosh, Pallab Sanpui
Granulocyte macrophage colony stimulating factor (GMCSF), a therapeutically important cytokine that helps in the proliferation of macrophages, was recombinantly expressed in E. coli BL21 and purified as a GST-tagged protein. Cell viability assay demonstrated significant enhancement in proliferation of RAW 264.7 (murine macrophage) in presence of GMCSF. In vitro activation of macrophages was carried out by lipopolysaccharide (LPS) or pyrogallol and probed by the generation of reactive oxygen species (ROS). Following the induction of apoptosis in A549 lung cancer cells with anticancer drug cisplatin (at 25μM), apoptotic cancer cells were effectively phagocytosed by the recombinant GMCSF-treated and exogenously activated RAW 264...
May 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28453334/different-immune-signature-in-youths-experiencing-antipsychotic-induced-weight-gain-compared-to-untreated-obese-patients
#6
Simone Pisano, Gennaro Catone, Giangennaro Coppola, Marco Carotenuto, Raffaella Iuliano, Claudia Tiano, Anna Rita Montesanto, Vittoria D'Esposito, Emanuele Del Giudice Miraglia, Pietro Formisano, Carmela Bravaccio
OBJECTIVES: To assess cytokine and chemokine levels in youth experiencing antipsychotic-induced weight gain (AIWG) compared to obese patients, hypothesizing a different "immune signature" between the two kinds of obesity. METHODS: We compared a group of youth experiencing AIWG (N 19, mean age 159 months, mean body mass index [BMI] z-score 1.81) and an age-, gender-, and BMI-matched group of untreated obese patients (N 19, mean age 147 months, mean BMI z-score 2) for a wide range of cytokines and chemokines by using a multiplex ELISA test...
April 28, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#7
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28390264/selected-life-extending-interventions-reduce-arterial-cxcl10-and-macrophage-colony-stimulating-factor-in-aged-mouse-arteries
#8
Daniel W Trott, Lisa A Lesniewski, Anthony J Donato
Cardiovascular disease (CVD) is the leading cause of death in the industrialized world. Aging is the most predictive risk factor for CVD and is associated with arterial inflammation which contributes to increased CVD risk. Although age-related arterial inflammation has been described in both humans and animals, only a limited number of inflammatory mediators, cytokines and chemokines have been identified. In this investigation we sought to determine whether lifespan extending interventions, including crowded litter early life nutrient deprivation (CL), traditional lifelong caloric restriction (CR) and lifelong Rapamycin treatment (Rap) would attenuate age-related arterial inflammation using multi analyte profiling...
April 5, 2017: Cytokine
https://www.readbyqxmd.com/read/28338569/case-report-immune-mediated-complete-response-in-a-patient-with-recurrent-advanced-ewing-sarcoma-ews-after-vigil-immunotherapy
#9
Maurizio Ghisoli, McCarley Rutledge, Philip J Stephens, Robert Mennel, Minal Barve, Meghan Manley, Bahram R Oliai, Kathleen M Murphy, Luisa Manning, Belen Gutierrez, Priyanka Rangadass, Ashli Walker, Zhaohui Wang, Donald Rao, Ned Adams, Gladice Wallraven, Neil Senzer, John Nemunaitis
Ewing sarcoma is a highly resistant disease with a <10% chance of survival at 5 years after failure of frontline chemotherapy. This is a case report of an Ewing sarcoma patient with metastatic disease recurrence <2 years after standard chemotherapy/radiation who achieved a durable and sustained complete response after 2 series of treatments with Vigil (GMCSF/bi-shRNA furin DNA autologous tumor immunotherapy) serially manufactured from first and second recurrences with ELISPOT assay correlation. Results support justification of further testing of Vigil with ELISPOT assay as a biomarker to assess level of immune response and correlation with disease control...
May 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28253931/zika-virus-infection-of-cellular-components-of-the-blood-retinal-barriers-implications-for-viral-associated-congenital-ocular-disease
#10
Tracoyia Roach, Donald J Alcendor
BACKGROUND: Ocular abnormalities present in microcephalic infants with presumed Zika virus (ZIKV) congenital disease includes focal pigment mottling of the retina, chorioretinal atrophy, optic nerve abnormalities, and lens dislocation. Target cells in the ocular compartment for ZIKV infectivity are unknown. The cellular response of ocular cells to ZIKV infection has not been described. Mechanisms for viral dissemination in the ocular compartment of ZIKV-infected infants and adults have not been reported...
March 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28217374/plecanatide-mediated-activation-of-guanylate-cyclase-c-suppresses-inflammation-induced-colorectal-carcinogenesis-in-apc-min-fccc-mice
#11
Wen-Chi L Chang, Shet Masih, Anusha Thadi, Viren Patwa, Apoorva Joshi, Harry S Cooper, Vaseem A Palejwala, Margie L Clapper, Kunwar Shailubhai
AIM: To evaluate the effect of orally administered plecanatide on colorectal dysplasia in Apc(+/Min-FCCC) mice with dextran sodium sulfate (DSS)-induced inflammation. METHODS: Inflammation driven colorectal carcinogenesis was induced in Apc(+/Min-FCCC) mice by administering DSS in their drinking water. Mice were fed a diet supplemented with plecanatide (0-20 ppm) and its effect on the multiplicity of histopathologically confirmed polypoid, flat and indeterminate dysplasia was evaluated...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28193636/evaluation-of-jak3-biology-in-autoimmune-disease-using-a-highly-selective-irreversible-jak3-inhibitor
#12
Fiona Elwood, David J Witter, Jennifer Piesvaux, Brian Kraybill, Nathan Bays, Carla Alpert, Peter Goldenblatt, Yujie Qu, Irena Ivanovska, Hyun-Hee Lee, Chi-Sung Chiu, Hao Tang, Mark E Scott, Sujal V Deshmukh, Mark Zielstorff, Alan Byford, Kalyan Chakravarthy, Lauren Dorosh, Alexey Rivkin, Joel Klappenbach, Bo-Sheng Pan, Ilona Kariv, Christopher Dinsmore, Deborah Slipetz, Peter J Dandliker
Reversible janus associated kinase (JAK) inhibitors such as tofacitinib and decernotinib block cytokine signaling and are efficacious in treating autoimmune diseases. However, therapeutic doses are limited due to inhibition of other JAK/signal transducer and activator of transcription pathways associated with hematopoiesis, lipid biogenesis, infection, and immune responses. A selective JAK3 inhibitor may have a better therapeutic index; however, until recently, no compounds have been described that maintain JAK3 selectivity in cells, as well as against the kinome, with good physicochemical properties to test the JAK3 hypothesis in vivo...
May 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28125796/three-year-follow-up-of-gmcsf-bi-shrna-furin-dna-transfected-autologous-tumor-immunotherapy-vigil-in-metastatic-advanced-ewing-s-sarcoma
#13
Maurizio Ghisoli, Minal Barve, Robert Mennel, Carl Lenarsky, Staci Horvath, Gladice Wallraven, Beena O Pappen, Sam Whiting, Donald Rao, Neil Senzer, John Nemunaitis
Ewing's sarcoma is a devastating rare pediatric cancer of the bone. Intense chemotherapy temporarily controls disease in most patients at presentation but has limited effect in patients with progressive or recurrent disease. We previously described preliminary results of a novel immunotherapy, FANG (Vigil) vaccine, in which 12 advanced stage Ewing's patients were safely treated and went on to achieve a predicted immune response (IFNγ ELISPOT). We describe follow-up through year 3 of a prospective, nonrandomized study comparing an expanded group of Vigil-treated advanced disease Ewing's sarcoma patients (n = 16) with a contemporaneous group of Ewing's sarcoma patients (n = 14) not treated with Vigil...
August 2016: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/27996636/immunogenicity-evaluation-of-modified-adenovirus-vaccines-expressing-porcine-circovirus-type-2-capsid-protein-in-pigs
#14
Delong Li, Dan Xu, Zhenyu Wang, Qian Du, Lingling Chang, Xiaomin Zhao, Yong Huang, Dewen Tong
Porcine circovirus type 2 (PCV2) adenovirus vaccine has been reported, but strong immune responses induced by adenovirus vector can decrease vaccine efficacy. To reduce the immunogenicity of adenovirus proteins, in previous study, we constructed the PCV2 adenovirus vaccine either modified with human cytomegalovirus first intron (Intron A) and woodchuck hepatitis virus post-transcriptional regulatory element (WPRE) to increase the expression of Cap, or coexpressed porcine tumor necrosis factor-related activate protein (CD40L) and granulocyte macrophage colony-stimulating factor (GMCSF) to improve the immunogenicity of PCV2 Cap adenovirus vaccine...
March 2017: Viral Immunology
https://www.readbyqxmd.com/read/27940088/vitamin-a-differentially-regulates-cytokine-expression-in-respiratory-epithelial-and-macrophage-cell-lines
#15
Rhiannon R Penkert, Bart G Jones, Hans Häcker, Janet F Partridge, Julia L Hurwitz
Vitamin A is an essential nutrient for the protection of children from respiratory tract disease. Supplementation with vitamin A is frequently prescribed in the clinical setting, in part to combat deficiencies among children in developing countries, and in part to treat respiratory infections in clinical trials. This vitamin influences immune responses via multiple, and sometimes seemingly contradictory mechanisms. For example, in separate reports, vitamin A was shown to decrease Th17 T-cell activity by downregulating IL-6, and to promote B cell production of IgA by upregulating IL-6...
March 2017: Cytokine
https://www.readbyqxmd.com/read/27863041/immobilized-hematopoietic-growth-factors-onto-magnetic-particles-offer-a-scalable-strategy-for-cell-therapy-manufacturing-in-suspension-cultures
#16
Matthew J Worrallo, Rebecca L L Moore, Katie E Glen, Robert J Thomas
Hematopoietic therapies require high cell dosages and precise phenotype control for clinical success; scalable manufacturing processes therefore need to be economic and controllable, in particular with respect to culture medium and growth factor (GF) strategy. The aim of this work was to demonstrate the biological function, and integration within scalable systems, of a highly controllable immobilized growth factor (iGF) approach. GFs were biotinylated and attached to streptavidin coated magnetic particles. GF concentration during biotinylation, GF-biotin ratio, and GF lysine content were shown to control iGF surface concentration and enable predictable co-presentation of multiple GF on a single bead...
February 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/27856306/enhanced-formation-of-giant-cells-in-common-variable-immunodeficiency-relation-to-granulomatous-disease
#17
Timothy H Scott-Taylor, Karen Whiting, Ruth Pettengell, David A Webster
Peripheral monocytes from patients with common variable immunodeficiency (CVID) had on average a 2 fold greater tendency to form giant cells in medium without additional cytokines. Giant cell formation was faster and 3 to 5 fold higher in most CVID cells compared to normal. Addition of IL4, GMCSF, IFNγ, TNFa and both T cell and monocyte conditioned media promoted monocyte fusion of some CVID individuals over 5 fold the normal average level, with combinations of cytokines and monokines acting synergistically...
February 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27813377/metabolic-syndrome-and-the-seminal-cytokine-network-in-morbidly-obese-males
#18
A Pilatz, C Hudemann, J Wolf, I Halefeld, A Paradowska-Dogan, H-C Schuppe, H Hossain, Q Jiang, D Schultheiss, H Renz, W Weidner, F Wagenlehner, T Linn
Given the increasing prevalence of metabolic syndrome (MetS) in males of reproductive age, the objective of this prospective case-controlled study was to investigate the impact of subacute systemic inflammation associated with MetS on seminal cytokines and standard sperm parameters in comparison with healthy men. Between 2011 and 2014, we recruited 27 patients with MetS out of 41 obese patients screened from an internal outpatient clinic. Twenty-seven age-matched healthy controls were enrolled from 54 men requesting vasectomy in a urological outpatient clinic...
January 2017: Andrology
https://www.readbyqxmd.com/read/27788572/gm-csf-grown-bone-marrow-derived-cells-are-composed-of-phenotypically-different-dendritic-cells-and-macrophages
#19
Yi Rang Na, Daun Jung, Gyo Jeong Gu, Seung Hyeok Seok
Granulocyte-macrophage colony stimulating factor (GM-CSF) has a role in inducing emergency hematopoiesis upon exposure to inflammatory stimuli. Although GM-CSF generated murine bone marrow derived cells have been widely used as macrophages or dendritic cells in research, the exact characteristics of each cell population have not yet been defined. Here we discriminated GM-CSF grown bone marrow derived macrophages (GM-BMMs) from dendritic cells (GM-BMDCs) in several criteria. After C57BL/6J mice bone marrow cell culture for 7 days with GM-CSF supplementation, two main populations were observed in the attached cells based on MHCII and F4/80 marker expressions...
October 2016: Molecules and Cells
https://www.readbyqxmd.com/read/27708236/engineering-of-double-recombinant-vaccinia-virus-with-enhanced-oncolytic-potential-for-solid-tumor-virotherapy
#20
Galina Kochneva, Galina Sivolobova, Anastasiya Tkacheva, Antonina Grazhdantseva, Olga Troitskaya, Anna Nushtaeva, Anastasiya Tkachenko, Elena Kuligina, Vladimir Richter, Olga Koval
Vaccinia virus (VACV) oncolytic therapy has been successful in a number of tumor models. In this study our goal was to generate a double recombinant vaccinia virus (VV-GMCSF-Lact) with enhanced antitumor activity that expresses exogenous proteins: the antitumor protein lactaptin and human granulocyte-macrophage colony-stimulating factor (GM-CSF). Lactaptin has previously been demonstrated to act as a tumor suppressor in mouse hepatoma as well as MDA-MB-231 human adenocarcinoma cells grafted into SCID mice. VV-GMCSF-Lact was engineered from Lister strain (L-IVP) vaccinia virus and has deletions of the viral thymidine kinase and vaccinia growth factor genes...
November 8, 2016: Oncotarget
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