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https://www.readbyqxmd.com/read/28231624/targets-and-mechanisms-in-prevention-of-parkinson-s-disease-through-immunomodulatory-treatments
#1
REVIEW
Marianne von Euler Chelpin, Thomas Vorup-Jensen
Parkinson's Disease (PD) is the second most common neurodegenerative disease in the world, however, there is no cure for it. Current treatments only relieve some of the symptoms, without ceasing the disease, and lose efficacy with prolonged treatment. Considerable evidence shows that persistent inflammatory responses, involving T cell infiltration and glial cell activation, are common characteristics of human patients and play a crucial role in the degeneration of dopaminergic neurons. Therefore, it is important to develop therapeutic strategies that can impede or halt the disease through the modulation of the peripheral immune system by aiming at controlling the existing neuroinflammation...
February 23, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28231418/exploring-human-papillomavirus-vaccination-refusal-among-ethnic-minorities-in-england-a-comparative-qualitative-study
#2
Alice S Forster, Lauren Rockliffe, Laura A V Marlow, Helen Bedford, Emily McBride, Jo Waller
OBJECTIVES: In England, uptake of human papillomavirus (HPV) vaccination to prevent HPV-related cancer is lower among girls from ethnic minority backgrounds. We aimed to explore the factors that prevented ethnic minority parents from vaccinating, compared to White British non-vaccinating parents and vaccinating ethnic minority parents. METHODS: Interviews with 33 parents (n = 14 ethnic minority non-vaccinating, n = 10 White British non-vaccinating, n = 9 ethnic minority vaccinating) explored parents' reasons for giving or withholding consent for HPV vaccination...
February 23, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28231392/from-dendritic-cells-to-b-cells-dysfunctions-during-hiv-1-infection-tfh-at-the-cross-road
#3
REVIEW
Nicolas Ruffin, Lylia Hani, Nabila Seddiki
T follicular helper (Tfh) cells are essential for B cell differentiation and the subsequent antibody responses. Their numbers and functions are altered during human and simian immunodeficiency virus (HIV/SIV) infections. In lymphoid tissues, Tfh cells are present in germinal center, where they are the main source of replicative HIV-1 and represent a major reservoir. Paradoxically, Tfh numbers are increased in chronically infected individuals. Understanding the fate of Tfh cells in the course of HIV-1 infection is essential for the design of efficient strategies toward a protective HIV vaccine or a cure...
February 23, 2017: Immunology
https://www.readbyqxmd.com/read/28231334/prevalence-of-hpv-16-and-18-and-attitudes-toward-hpv-vaccination-trials-in-patients-with-cervical-cancer-in-mali
#4
Ibrahima Téguété, Amadou Dolo, Kotou Sangare, Abdoulaye Sissoko, Mali Rochas, Sarah Beseme, Karamoko Tounkara, Shahla Yekta, Anne S De Groot, Ousmane A Koita
BACKGROUND: Cervical cancer is one of the most common and lethal cancers in West Africa. Even though vaccines that protect against the most common Human papillomavirus (HPV) strains, 16 and 18, are currently in use in developed countries, the implementation of these vaccines in developing countries has been painfully slow, considering the pre-eminence of HPV-associated cervical cancer among women in those countries. AIM: We performed serological and PCR-based assessment of blood and tissue specimens obtained from women undergoing cervical cancer-related surgery at a major urban hospital in Bamako...
2017: PloS One
https://www.readbyqxmd.com/read/28231271/applying-antibody-sensitive-hypervariable-region-1-deleted-hepatitis-c-virus-to-the-study-of-escape-pathways-of-neutralizing-human-monoclonal-antibody-ar5a
#5
Rodrigo Velázquez-Moctezuma, Mansun Law, Jens Bukh, Jannick Prentoe
Hepatitis C virus (HCV) is a major cause of end-stage liver diseases. With 3-4 million new HCV infections yearly, a vaccine is urgently needed. A better understanding of virus escape from neutralizing antibodies and their corresponding epitopes are important for this effort. However, for viral isolates with high antibody resistance, or antibodies with moderate potency, it remains challenging to induce escape mutations in vitro. Here, as proof-of-concept, we used antibody-sensitive HVR1-deleted (ΔHVR1) viruses to generate escape mutants for a human monoclonal antibody, AR5A, targeting a rare cross-genotype conserved epitope...
February 23, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28231239/surveillance-for-health-care-access-and-health-services-use-adults-aged-18-64-years-behavioral-risk-factor-surveillance-system-united-states-2014
#6
Catherine A Okoro, Guixiang Zhao, Jared B Fox, Paul I Eke, Kurt J Greenlund, Machell Town
PROBLEM/CONDITION: As a result of the 2010 Patient Protection and Affordable Care Act, millions of U.S. adults attained health insurance coverage. However, millions of adults remain uninsured or underinsured. Compared with adults without barriers to health care, adults who lack health insurance coverage, have coverage gaps, or skip or delay care because of limited personal finances might face increased risk for poor physical and mental health and premature mortality. PERIOD COVERED: 2014...
February 24, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28230771/antibiotic-resistance-determinant-focused-acinetobacter-baumannii-vaccine-designed-using-reverse-vaccinology
#7
Zhaohui Ni, Yan Chen, Edison Ong, Yongqun He
As one of the most influential and troublesome human pathogens, Acinetobacter baumannii (A. baumannii) has emerged with many multidrug-resistant strains. After collecting 33 complete A. baumannii genomes and 84 representative antibiotic resistance determinants, we used the Vaxign reverse vaccinology approach to predict classical type vaccine candidates against A. baumannii infections and new type vaccine candidates against antibiotic resistance. Our genome analysis identified 35 outer membrane or extracellular adhesins that are conserved among all 33 genomes, have no human protein homology, and have less than 2 transmembrane helices...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230657/stabilized-hiv-1-envelope-glycoprotein-trimers-for-vaccine-use
#8
Max Medina-Ramírez, Rogier W Sanders, Quentin J Sattentau
PURPOSE OF REVIEW: To provide an update on the latest developments in the field of HIV-1 antibody-based soluble envelope glycoprotein (Env) trimer design for vaccine use. RECENT FINDINGS: The development of soluble native-like HIV-1 Env trimer immunogens has moved the field of antibody-based vaccine design forward dramatically over the past few years with refinement of various stabilizing approaches. However, despite this progress, significant challenges remain...
February 21, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28230655/lessons-learned-from-human-hiv-vaccine-trials
#9
Justin Pollara, David Easterhoff, Genevieve G Fouda
PURPOSE OF REVIEW: The ability to induce broadly neutralizing antibody (bNAb) responses is likely essential for development of a globally effective HIV vaccine. Unfortunately, human vaccine trials conducted to date have failed to elicit broad plasma neutralization of primary virus isolates. Despite this limitation, in-depth analysis of the vaccine-induced memory B-cell repertoire can provide valuable insights into the presence and function of subdominant B-cell responses, and identify initiation of antibody lineages that may be on a path towards development of neutralization breadth...
February 21, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28229976/immune-modulation-by-dendritic-cell-based-cancer-vaccines
#10
Chaitanya Kumar, Sakshi Kohli, Poonamalle Parthasarathy Bapsy, Ashok Kumar Vaid, Minish Jain, Venkata Sathya Suresh Attili, Bandana Sharan
The interplay between host immunity and tumour cells has opened the possibility of targeting tumour cells by modulation of the human immune system. Cancer immunotherapy involves the treatment of a tumour by utilizing the recombinant human immune system components to target the pro-tumour microenvironment or by revitalizing the immune system with the ability to kill tumour cells by priming the immune cells with tumour antigens. In this review, current immunotherapy approaches to cancer with special focus on dendritic cell (DC)-based cancer vaccines are discussed...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229472/human-capital-gaps-in-vaccine-development-an-issue-for-global-vaccine-development-and-global-health
#11
Andrea Cawein, Emilio Emini, Michael Watson, Joanna Dailey, John Donnelly, Dina Tresnan, Tom Evans, Stanley Plotkin, William Gruber
Despite the success of vaccines in reducing the morbidity and mortality associated with infectious diseases, many infectious diseases, both newly emerging and well known, lack vaccines. The global capability for beginning-to-end vaccine development has become limited, primarily owing to a scarcity of human capital necessary to guide the development of novel vaccines from the laboratory to the marketplace. Here, we identify and discuss the gaps in human capital necessary for robust vaccine development and make recommendations to begin to address these deficiencies...
February 23, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28228559/targeting-influenza-virus-hemagglutinin-to-xcr1-dendritic-cells-in-the-absence-of-receptor-mediated-endocytosis-enhances-protective-antibody-responses
#12
Arnar Gudjonsson, Anna Lysén, Sreekumar Balan, Vibeke Sundvold-Gjerstad, Catharina Arnold-Schrauf, Lisa Richter, Espen S Bækkevold, Marc Dalod, Bjarne Bogen, Even Fossum
Targeting Ags to conventional dendritic cells can enhance Ag-specific immune responses. Although most studies have focused on the induction of T cell responses, the mechanisms by which targeting improves Ab responses are poorly understood. In this study we present data on the use of human XCL1 (hXCL1) and hXCL2 fusion vaccines in a murine model. We show that the human chemokines bound type 1 conventional dendritic cells (cDC1), and that immunization with influenza virus hemagglutinin fused to hXCL1 or hXCL2 induced full protection against influenza challenge...
February 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28228490/short-read-whole-genome-sequencing-for-laboratory-based-surveillance-of-bordetella-pertussis
#13
Alex Marchand-Austin, Raymond S W Tsang, Jennifer L Guthrie, Jennifer H Ma, Gillian Lim, Natasha S Crowcroft, Shelley L Deeks, David J Farrell, Frances B Jamieson
Bordetella pertussis (BP) is a Gram-negative bacterium that causes respiratory infections in humans. Ongoing molecular surveillance of BP acellular vaccine (aP) antigens is critical for understanding the interaction between evolutionary pressures, disease pathogenesis, and vaccine effectiveness. Methods currently used to characterize aP components are relatively labour intensive and low throughput. To address this challenge, we sought to derive aP antigen genotypes from minimally processed short-read whole genome sequencing data generated from 40 clinical BP isolates and analyzed using the SRST2 bioinformatic package...
February 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28228395/antibody-responses-to-zika-virus-infections-in-flavivirus-endemic-environments
#14
Sarah L Keasey, Christine L Pugh, Stig M R Jensen, Jessica L Smith, Robert D Hontz, Anna P Durbin, Dawn M Dudley, David H O'Connor, Robert G Ulrich
Zika virus (ZIKV) infections occur in areas where dengue (DENV), West Nile (WNV), yellow fever (YFV), and other viruses of the genus Flavivirus co-circulate. The envelope protein (E) of these closely related flaviviruses induces specific long-term immunity, yet subsequent infections are associated with cross-reactive antibody responses that may enhance disease susceptibility and severity. To gain a better understanding of ZIKV infections against a background of similar viral diseases, we examined serological immune responses to ZIKV, WNV, DENV and YFV infections of humans and non-human primates (NHP)...
February 22, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28228322/anti-tumour-research-of-recombinant-bcg-using-bzlf1-and-hgm-csf-fusion-genes
#15
Qing-Jie Xue, Yun-Qing Li, Chun-Qing Yang, Ting Chen, Xiu-Zhen Li, Baohua Cheng, Chun-Mei Wang
The random primer Oligo(dT)15 was used in RT-PCR to obtain cDNA from the human granulocyte macrophage colony stimulating factor (hGM-CSF) gene and the Epstein-Barr virus (EBV) gene BZLF1. Then, the sequence splicing overlap extension method was used to obtain a GCBF fusion gene containing a linker sequence that encoded the polypeptide (Gly4Ser)3. The GCBF fusion gene was inserted into pMV261, which was then transformed into competent E. coli DH5 alpha cells, and positive cells were selected based on kanamycin resistance on LB plates...
February 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28228086/clinical-trials-with-oncolytic-measles-virus-current-status-and-future-prospects
#16
Pavlos Msaouel, Mateusz Opyrchal, Angela Dispenzieri, Kah Whye Peng, Mark J Federspiel, Stephen J Russell, Evanthia Galanis
Attenuated Edmonston lineage measles virus (MV-Edm) vaccine strains can preferentially infect and lyse a wide variety of cancer cells. Oncolytic MV-Edm derivatives genetically engineered to expressed the human carcinoembryonic antigen (MV-CEA virus) or the human sodium iodide symporter (MV-NIS virus) and are currently being tested in clinical trials against ovarian cancer, glioblastoma multiforme, multiple myeloma, mesothelioma, head and neck cancer, breast cancer and malignant peripheral nerve sheath tumors...
February 22, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28226018/profile-of-human-anti-rabies-treatment-in-the-agreste-region-of-pernambuco-state-brazil-2010-2012
#17
Cleber Vinicius Brito Dos Santos, Rafaely Bezerra de Melo, Daniel Friguglietti Brandespim
Objective: to describe the characteristics of reported human anti-rabies treatment in municipalities of the 'agreste' region of Pernambuco State, Brazil, 2010-2012. Methods: this was a descriptive study using data from human anti-rabies medical records filed on the Information System for Notifiable Diseases (Sinan). Results: 10,138 reported records of anti-rabies treatment were included; canines were the most involved species (68.1%), in good health condition (79...
January 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28224433/association-of-hla-alleles-a-b-drb1-and-hiv-1-infection-in-the-han-population-of-hubei-china
#18
Wang-Xia Li, Jia-An Xia, Xia Zhou, Yan Ma, Gang Shen, Feng-Wu Qiu
The HIV susceptibility and resistance alleles in the HLA genes were determined by investigating the distribution characteristics of the HLA alleles (A, B, and DRB1) in HIV-infected individuals of the Han population in Hubei, and by comparing these alleles with HIV-negative individuals from the same area. A cohort of 424 HIV-1 infected individuals were chosen as study subjects, and 836 HIV-negative healthy subjects from the same area served as the control population. HLA-A, B, and DRB1 allele typing was performed using polymerase chain reaction-sequence-specific oligonucleotide probes (PCR-SSOP) and polymerase chain reaction-sequencing based typing (PCR-SBT) techniques...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28223515/rational-design-of-adjuvants-targeting-the-c-type-lectin-mincle
#19
Alexiane Decout, Sandro Silva-Gomes, Daniel Drocourt, Sophie Barbe, Isabelle André, Francisco J Cueto, Thierry Lioux, David Sancho, Eric Pérouzel, Alain Vercellone, Jacques Prandi, Martine Gilleron, Gérard Tiraby, Jérôme Nigou
The advances in subunit vaccines development have intensified the search for potent adjuvants, particularly adjuvants inducing cell-mediated immune responses. Identification of the C-type lectin Mincle as one of the receptors underlying the remarkable immunogenicity of the mycobacterial cell wall, via recognition of trehalose-6,6'-dimycolate (TDM), has opened avenues for the rational design of such molecules. Using a combination of chemical synthesis, biological evaluation, molecular dynamics simulations, and protein mutagenesis, we gained insight into the molecular bases of glycolipid recognition by Mincle...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223498/attenuated-pfspz-vaccine-induces-strain-transcending-t-cells-and-durable-protection-against-heterologous-controlled-human-malaria-infection
#20
Kirsten E Lyke, Andrew S Ishizuka, Andrea A Berry, Sumana Chakravarty, Adam DeZure, Mary E Enama, Eric R James, Peter F Billingsley, Anusha Gunasekera, Anita Manoj, Minglin Li, Adam J Ruben, Tao Li, Abraham G Eappen, Richard E Stafford, Natasha Kc, Tooba Murshedkar, Floreliz H Mendoza, Ingelise J Gordon, Kathryn L Zephir, LaSonji A Holman, Sarah H Plummer, Cynthia S Hendel, Laura Novik, Pamela J M Costner, Jamie G Saunders, Nina M Berkowitz, Barbara J Flynn, Martha C Nason, Lindsay S Garver, Matthew B Laurens, Christopher V Plowe, Thomas L Richie, Barney S Graham, Mario Roederer, B Kim Lee Sim, Julie E Ledgerwood, Stephen L Hoffman, Robert A Seder
A live-attenuated malaria vaccine, Plasmodium falciparum sporozoite vaccine (PfSPZ Vaccine), confers sterile protection against controlled human malaria infection (CHMI) with Plasmodium falciparum (Pf) parasites homologous to the vaccine strain up to 14 mo after final vaccination. No injectable malaria vaccine has demonstrated long-term protection against CHMI using Pf parasites heterologous to the vaccine strain. Here, we conducted an open-label trial with PfSPZ Vaccine at a dose of 9.0 × 10(5) PfSPZ administered i...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
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