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https://www.readbyqxmd.com/read/28738364/risk-factors-for-community-acquired-pneumonia-in-adults-a-systematic-review-of-observational-studies
#1
Jordi Almirall, Mateu Serra-Prat, Ignasi Bolíbar, Valentina Balasso
We performed a systematic review of the literature to establish conclusive evidence of risk factors for community-acquired pneumonia (CAP). Observational studies (cross-sectional, case-control, and cohort studies) the primary outcome of which was to assess risk factors for CAP in both hospitalized and ambulatory adult patients with radiologically confirmed pneumonia were selected. The Newcastle-Ottawa Scale specific for cohort and case-control designs was used for quality assessment. Twenty-nine studies (20 case-control, 8 cohort, and 1 cross-sectional) were selected, with 44...
July 25, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28733696/vaccination-against-influenza-at-a-european-pediatric-cancer-center-immunization-rates-and-attitudes-among-staff-patients-and-their-families
#2
Aleksandra Pettke, Sophie Jocham, Andreas Wiener, Andreas Löcken, Judith Groenefeld, Martina Ahlmann, Andreas H Groll
BACKGROUND: Influenza is an important cause of infectious morbidity in pediatric cancer patients. We conducted a single-center survey to explore adherence and attitudes towards the recommended annual influenza vaccination. METHODS: Self-administered, standardized questionnaires were distributed to 143 staff members and 264 families. Items analyzed included demographic data, knowledge about influenza, history of prior influenza infections and vaccinations, routes of information and education, and attitudes towards the recommended influenza...
July 21, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28723950/high-affinity-anti-tim-3-and-anti-kir-monoclonal-antibodies-cloned-from-healthy-human-individuals
#3
Stefan Ryser, Angeles Estellés, Edgar Tenorio, Lawrence M Kauvar, Mikhail L Gishizky
We report here the cloning of native high affinity anti-TIM-3 and anti-KIR IgG monoclonal antibodies (mAbs) from peripheral blood mononuclear cells (PBMC) of healthy human donors. The cells that express these mAbs are rare, present at a frequency of less than one per 105 memory B-cells. Using our proprietary multiplexed screening and cloning technology CellSpot™ we assessed the presence of memory B-cells reactive to foreign and endogenous disease-associated antigens within the same individual. When comparing the frequencies of antigen-specific memory B-cells analyzed in over 20 screening campaigns, we found a strong correlation of the presence of anti-TIM-3 memory B-cells with memory B-cells expressing mAbs against three disease-associated antigens: (i) bacterial DNABII proteins that are a marker for Gram negative and Gram positive bacterial infections, (ii) hemagglutinin (HA) of influenza virus and (iii) the extracellular domain of anaplastic lymphoma kinase (ALK)...
2017: PloS One
https://www.readbyqxmd.com/read/28720097/a-versatile-papaya-mosaic-virus-papmv-vaccine-platform-based-on-sortase-mediated-antigen-coupling
#4
Ariane Thérien, Mikaël Bédard, Damien Carignan, Gervais Rioux, Louis Gauthier-Landry, Marie-Ève Laliberté-Gagné, Marilène Bolduc, Pierre Savard, Denis Leclerc
BACKGROUND: Flexuous rod-shaped nanoparticles made of the coat protein (CP) of papaya mosaic virus (PapMV) have been shown to trigger innate immunity through engagement of toll-like receptor 7 (TLR7). PapMV nanoparticles can also serve as a vaccine platform as they can increase the immune response to fused peptide antigens. Although this approach shows great potential, fusion of antigens directly to the CP open reading frame (ORF) is challenging because the fused peptides can alter the structure of the CP and its capacity to self assemble into nanoparticles-a property essential for triggering an efficient immune response to the peptide...
July 18, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28718836/the-biological-activities-of-sesterterpenoid-type-ophiobolins
#5
REVIEW
Wei Tian, Zixin Deng, Kui Hong
Ophiobolins (Ophs) are a group of tricarbocyclic sesterterpenoids whose structures contain a tricyclic 5-8-5 carbotricyclic skeleton. Thus far, 49 natural Ophs have been reported and assigned into A-W subgroups in order of discovery. While these sesterterpenoids were first characterized as highly effective phytotoxins, later investigations demonstrated that they display a broad spectrum of biological and pharmacological characteristics such as phytotoxic, antimicrobial, nematocidal, cytotoxic, anti-influenza and inflammation-promoting activities...
July 18, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28711461/prevalence-of-comorbidities-in-rheumatoid-arthritis-and-evaluation-of-their-monitoring-in-clinical-practice-the-spanish-cohort-of-the-comora-study
#6
Alejandro Balsa, Leticia Lojo-Oliveira, Mercedes Alperi-López, María García-Manrique, Carmen Ordóñez-Cañizares, Lorena Pérez, Virginia Ruiz-Esquide, Alfonso Corrales, Javier Narváez, José Rey-Rey, Carlos Rodríguez-Lozano, Soledad Ojeda, Santiago Muñoz-Fernández, Joan M Nolla, José García-Torrón, Fernando Gamero, Rosario García-Vicuña, Blanca Hernández-Cruz, José Campos, José Rosas, José Francisco García-Llorente, Antonio Gómez-Centeno, Rafael Cáliz, Raimon Sanmartí, Alberto Bermúdez, Lydia Abasolo-Alcázar, Antonio Fernández-Nebro, Luis Rodríguez-Rodríguez, Carlos Marras, Miguel Ángel González-Gay, Ihsane Hmamouchi, Emilio Martín-Mola
OBJECTIVES: To describe the prevalence of comorbidities in patients with RA in Spain and discuss their management and implications using data from the Spanish cohort of the multinational study on COMOrbidities in Rheumatoid Arthritis (COMORA). METHODS: This is a national sub-analysis of the COMORA study. We studied the demographics and disease characteristics of 200 adults patients diagnosed with RA (1987 ACR), and routine practices for screening and preventing the following selected comorbidities: cardiovascular, infections, cancer, gastrointestinal, pulmonary, osteoporosis and depression...
July 12, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28705499/development-of-silver-nanoparticles-loaded-chitosan-alginate-constructs-with-biomedical-potentialities
#7
Muhammad Bilal, Tahir Rasheed, Hafiz M N Iqbal, Chuanlong Li, Hongbo Hu, Xuehong Zhang
Herein, a facile biosynthesis of silver nanoparticles (AgNPs) and AgNPs-loaded chitosan-alginate constructs with biomedical potentialities is reported. The UV-vis spectroscopic profile confirmed the synthesis of AgNPs using methanolic leaves extract of Euphorbia helioscopia. The newly developed AgNPs were characterized using various analytical and imaging techniques including UV-vis and FT-IR spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), atomic force microscopy (AFM), and transmission electron microscopy (TEM)...
July 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28678795/quantifying-critical-states-of-complex-diseases-using-single-sample-dynamic-network-biomarkers
#8
Xiaoping Liu, Xiao Chang, Rui Liu, Xiangtian Yu, Luonan Chen, Kazuyuki Aihara
Dynamic network biomarkers (DNB) can identify the critical state or tipping point of a disease, thereby predicting rather than diagnosing the disease. However, it is difficult to apply the DNB theory to clinical practice because evaluating DNB at the critical state required the data of multiple samples on each individual, which are generally not available, and thus limit the applicability of DNB. In this study, we developed a novel method, i.e., single-sample DNB (sDNB), to detect early-warning signals or critical states of diseases in individual patients with only a single sample for each patient, thus opening a new way to predict diseases in a personalized way...
July 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28670208/locating-sex-and-gender-specific-data-in-health-promotion-research-evaluating-the-sensitivity-and-precision-of-published-filters
#9
Diane L Lorenzetti, Yongtao Lin
OBJECTIVE: This study explored the effectiveness of search filters in identifying sex- and gender-specific data in health promotion studies that are indexed in MEDLINE. METHODS: Literature searches were conducted to identify studies on patient or consumer attitudes and behaviors toward colorectal cancer screening, nutritional labeling, and influenza vaccination. Publications reporting sex- or gender-specific outcome data constituted the gold standards for this study...
July 2017: Journal of the Medical Library Association: JMLA
https://www.readbyqxmd.com/read/28669593/pathogen-mimicking-vaccine-delivery-system-designed-with-a-bioactive-polymer-inulin-acetate-for-robust-humoral-and-cellular-immune-responses
#10
Sunny Kumar, Siddharth S Kesharwani, Bhimanna Kuppast, Mohammed Ali Bakkari, Hemachand Tummala
New and improved vaccines are needed against challenging diseases such as malaria, tuberculosis, Ebola, influenza, AIDS, and cancer. The majority of existing vaccine adjuvants lack the ability to significantly stimulate the cellular immune response, which is required to prevent the aforementioned diseases. This study designed a novel particulate based pathogen-mimicking vaccine delivery system (PMVDS) to target antigen-presenting-cells (APCs) such as dendritic cells. The uniqueness of PMVDS is that the polymer used to prepare the delivery system, Inulin Acetate (InAc), activates the innate immune system...
June 29, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28633906/respiratory-syncytial-virus-rsv-in-adult-emergency-department-patients-do-emergency-providers-consider-rsv-as-an-admission-diagnosis-a-retrospective-observational-study-carried-out-at-massachusetts-general-hospital-boston-ma
#11
William Binder, Jill Thorsen, Pierre Borczuk
BACKGROUND: Respiratory Syncytial Virus (RSV) has been recognized for over half a century as a cause of morbidity in infants and children. Over the past 20years, data has emerged linking RSV as a cause of illness in adults resulting in 177,000 annual hospitalizations and up to 14,000 deaths among older adults. OBJECTIVE: Characterize clinical variables in a cohort of adult RSV patients. We hypothesize that emergency physicians do not routinely consider RSV in the differential diagnosis (DDx) of influenza like illness...
June 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28537894/intratumoral-depletion-of-regulatory-t-cells-using-cd25-targeted-photodynamic-therapy-in-a-mouse-melanoma-model-induces-antitumoral-immune-responses
#12
Dong Sun Oh, Heegon Kim, Ji Eun Oh, Hi Eun Jung, Yun Soo Lee, Ji-Ho Park, Heung Kyu Lee
Tumor immunotherapy aims to overcome the immunosuppressive microenvironment within tumors, and various approaches have been developed. Tumor-associated T regulatory cells (Tregs) suppress the activation and expansion of tumor antigen-specific effector T cells, thus, providing a permissive environment for tumor growth. Therefore, optimal strategies need to be established to deplete tumor-infiltrated Tregs because systemic depletion of Tregs can result in reduced anti-tumor effector cells and autoimmunity. Here, to selectively deplete Tregs in tumors, we intratumorally injected anti-CD25 antibodies conjugated to Chlorin e6 (Ce6), a photosensitizer that absorbs light to generate reactive oxygen species...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28527859/tackling-influenza-with-broadly-neutralizing-antibodies
#13
REVIEW
Davide Corti, Elisabetta Cameroni, Barbara Guarino, Nicole L Kallewaard, Qing Zhu, Antonio Lanzavecchia
Monoclonal antibodies have revolutionized the treatment of several human diseases, including cancer, autoimmunity and inflammatory conditions and represent a new frontier for the treatment of infectious diseases. In the last decade, new methods have allowed the efficient interrogation of the human antibody repertoire from influenza immune individuals and the isolation of several monoclonal antibodies capable of dealing with the high variability of influenza viruses. Here, we will provide a comprehensive overview of the specificity, antiviral and immunological mechanisms of action and development into the clinic of broadly reactive monoclonal antibodies against influenza A and B viruses...
May 18, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28492513/an-aaag-rich-oligodeoxynucleotide-rescues-mice-from-bacterial-septic-peritonitis-by-interfering-interferon-regulatory-factor-5
#14
Shuang Gao, Xin Li, Shu Nie, Lei Yang, Liqun Tu, Boqi Dong, Peiyan Zhao, Yangyang Wang, Yongli Yu, Liying Wang, Shucheng Hua
A previous study found that an AAAG-rich Oligodeoxynucleotide (ODN), designated as MS19, could lessen the acute lung inflammatory injury (ALII) in mice infected by influenza viruses. Bioinformatics analysis found that MS19 is consensus with the binding site of interferon regulatory factor 5 (IRF5) in the regulatory elements of pro-inflammatory genes. This study established a septic peritonitis model in Institute of Cancer Research (ICR) mice infected with Escherichia coli (E. coli), and found that MS19 prolonged the survival of the mice and down-regulated the expression of inducible nitric oxide synthase (iNOS), interleukin-6 (IL-6), and tumor necrosis factor α (TNF-α)...
May 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28482859/an-ethnopharmacological-evaluation-of-navapind-and-shahpur-virkanin-district-sheikupura-pakistan-for-their-herbal-medicines
#15
Maria Zahoor, Zubaida Yousaf, Tahreem Aqsa, Manahil Haroon, Nadia Saleh, Arusa Aftab, Sadia Javed, Mouzma Qadeer, Habiba Ramazan
BACKGROUND: The chief aim of this study was to enlist the ethnobotanical uses of wild plants in district Sheikhupura, province Punjab, Pakistan. Due to extreme geographical and climatic conditions, Pakistan has a great floral diversity. Plants have been used by the indigenous people for treatment of different ailments since long. They are still dependent on the plants for their domestic purposes. Moreover, plants are used as first aid to treat diverse ailments such as cold, cough, influenza, asthma, cancer, antidote, gastric and hepatic disorders...
May 8, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28476628/cost-effectiveness-analysis-of-vaccinations-and-decision-makings-on-vaccination-programmes-in-hong-kong-a-systematic-review
#16
REVIEW
Carlos K H Wong, Qiuyan Liao, Vivian Y W Guo, Yiqiao Xin, Cindy L K Lam
OBJECTIVES: To describe and systematically review the modelling and reporting of cost-effectiveness analysis of vaccination in Hong Kong, and to identify areas for quality enhancement in future cost-effectiveness analyses. METHODS: We conducted a comprehensive and systematic review of cost-effectiveness studies related to vaccination and government immunisation programmes in Hong Kong published from 1990 to 2015, through database search of Pubmed, Web of Science, Embase, and OVID Medline...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28472027/surveillance-of-vaccination-coverage-among-adult-populations-united-states-2015
#17
Walter W Williams, Peng-Jun Lu, Alissa O'Halloran, David K Kim, Lisa A Grohskopf, Tamara Pilishvili, Tami H Skoff, Noele P Nelson, Rafael Harpaz, Lauri E Markowitz, Alfonso Rodriguez-Lainz, Amy Parker Fiebelkorn
PROBLEM/CONDITION: Overall, the prevalence of illness attributable to vaccine-preventable diseases is greater among adults than among children. Adults are recommended to receive vaccinations based on their age, underlying medical conditions, lifestyle, prior vaccinations, and other considerations. Updated vaccination recommendations from CDC are published annually in the U.S. Adult Immunization Schedule. Despite longstanding recommendations for use of many vaccines, vaccination coverage among U...
May 5, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28435676/understanding-cd8-t-cell-responses-toward-the-native-and-alternate-hla-a-02-01-restricted-wt1-epitope
#18
Thi Ho Nguyen, Amabel Cl Tan, Sue D Xiang, Anne Goubier, Kim L Harland, E Bridie Clemens, Magdalena Plebanski, Katherine Kedzierska
The Wilms' tumor 1 (WT1) antigen is expressed in solid and hematological malignancies, but not healthy tissues, making it a promising target for cancer immunotherapies. Immunodominant WT1 epitopes, the native HLA-A2/WT1126-134 (RMFPNAPYL) (HLA-A2/RMFPNAPYL epitope (WT1A)) and its modified variant YMFPNAPYL (HLA-A2/YMFPNAPYL epitope (WT1B)), can induce WT1-specific CD8(+) T cells, although WT1B is more stably bound to HLA-A*02:01. Here, to further determine the benefits of those two targets, we assessed the naive precursor frequencies; immunogenicity and cross-reactivity of CD8(+) T cells directed toward these two WT1 epitopes...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28432494/primary-prevention-and-screening-practices-among-long-term-breast-cancer-survivors
#19
Lori Mandelzweig, Angela Chetrit, Tova Amitai, Barbara Silverman, Nava Siegelmann-Danieli, Siegal Sadetzki
PURPOSE: Parallel to increasing survival of breast cancer (BC) patients, a need has arisen to characterize the follow-up required to improve and maintain their health. Our study aimed to assess changes in lifestyle habits over time among the study population, compare compliance rates of selected primary and secondary prevention practices between long-term BC survivors and an age-matched comparison group, and identify factors associated with compliance to these practices. METHODS: The study population comprised 250 Israeli BC survivors, diagnosed with BC between 1999 and 2003, without evidence of disease after 8-12 years, and 250 women with no cancer history, individually matched to survivors by age and area of residence...
April 21, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28431934/etiological-analysis-and-epidemiological-comparison-among-adult-cap-and-nhcap-patients-in-okinawa-japan
#20
Gretchen Parrott, Daijiro Nebeya, Takeshi Kinjo, Kazuya Miyagi, Shusaku Haranaga, Futoshi Higa, Masao Tateyama, Jiro Fujita
BACKGROUND: Etiological epidemiology and diagnosis are important issues for CAP and NHCAP. Despite the availability of effective therapies, significant morbidity and mortality ensues. METHODS: We retrospectively analyzed the etiology of 200 pneumonia patients at the University of the Ryukyus Hospital. Patients were categorized into CAP (n = 97) or NHCAP (n = 103), according to the Japanese Respiratory Society guidelines. Diagnoses were made using clinical tests including, Gram stain, bacterial culture, serum and urinary tests...
April 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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