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https://www.readbyqxmd.com/read/28220979/more-significance-of-tb-igra-except-for-the-diagnose-of-tuberculosis
#1
Jun-Chi Xu, Ze-Yi Li, Xin-Nian Chen, Cui-Lin Shi, Mei-Ying Wu, Hui Chen, Xiao-Yan Zhu, Hua-Feng Song, Min-Juan Wu, Ping Xu
OBJECTIVE: Tuberculosis (TB)-interferon gamma release assay (IGRA) test has the characteristics of short time, high specificity, and high sensitivity, but it lacks the correlation research between TB-IGRA test results and body's immune cells, disease progression and prognosis, which is explored in this study. DESIGN: A retrospective study was carried out on positive TB-IGRA patients who were infected with TB and diagnosed at our hospital from January 2014 to June 2015...
February 21, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28220439/effectoromics-based-identification-of-cell-surface-receptors-in-potato
#2
Emmanouil Domazakis, Xiao Lin, Carolina Aguilera-Galvez, Doret Wouters, Gerard Bijsterbosch, Pieter J Wolters, Vivianne G A A Vleeshouwers
In modern resistance breeding, effectors have emerged as tools for accelerating and improving the identification of immune receptors. Effector-assisted breeding was pioneered for identifying resistance genes (R genes) against Phytophthora infestans in potato (Solanum tuberosum). Here we show that effectoromics approaches are also well suitable for identifying pathogen recognition receptors (PRRs) that recognize apoplastic effectors. To detect genotypes that recognize apoplastic proteins of P. infestans, routine agroinfiltration and potato virus X (PVX) agroinfection methods can be applied...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28219022/rationale-for-stimulator-of-interferon-genes-targeted-cancer-immunotherapy
#3
REVIEW
Thaiz Rivera Vargas, Isis Benoit-Lizon, Lionel Apetoh
The efficacy of checkpoint inhibitor therapy illustrates that cancer immunotherapy, which aims to foster the host immune response against cancer to achieve durable anticancer responses, can be successfully implemented in a routine clinical practice. However, a substantial proportion of patients does not benefit from this treatment, underscoring the need to identify alternative strategies to defeat cancer. Despite the demonstration in the 1990's that the detection of danger signals, including the nucleic acids DNA and RNA, by dendritic cells (DCs) in a cancer setting is essential for eliciting host defence, the molecular sensors responsible for recognising these danger signals and eliciting anticancer immune responses remain incompletely characterised, possibly explaining the disappointing results obtained so far upon the clinical implementation of DC-based cancer vaccines...
February 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28216884/chemical-components-from-aloe-and-their-inhibition-of-indoleamine-2-3-dioxygenase
#4
Ya Nan Sun, Lin Ying Li, Wei Li, Jong Seong Kang, Inkyu Hwang, Young Ho Kim
BACKGROUND: In Korea, Aloe is routinely ingested as a traditional medicine or as a component of health beverages. OBJECTIVE: To research the inhibition of indoleamine 2, 3-dioxygenase (IDO) activities of components from Aloe. MATERIALS AND METHODS: the compounds were isolated by a combination of silica gel and YMC Rp-18 column chromatography, and their structures were identified by analysis of spectroscopic data (1D, 2D-NMR, and MS). All of the isolated compounds were examined for their ability to inhibit IDO, which actively suppresses immune functions by catalyzing the rate limiting reaction in the conversion of tryptophan to kynurenine...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216237/development-of-an-anti-ferret-cd4-monoclonal-antibody-for-the-characterisation-of-ferret-t-lymphocytes
#5
Daniel S Layton, Xiaowen Xiao, John D Bentley, Louis Lu, Cameron R Stewart, Andrew G D Bean, Timothy E Adams
The ferret is an established animal model for a number of human respiratory viral infections, such as influenza virus and more recently, Ebola virus. However, a paucity of immunological reagents has hampered the study of cellular immune responses. Here we describe the development and characterisation of a novel monoclonal antibody (mAb) against the ferret CD4 antigen and the characterisation of ferret CD4 T lymphocytes. Recombinant production and purification of the ferret CD4 ectodomain soluble protein allowed hybridoma generation and the generation of a mAb (FeCD4) showing strong binding to ferret CD4 protein and lymphoid cells by flow cytometry...
February 16, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28216186/demographics-epidemiology-and-the-impact-of-vaccination-campaigns-in-a-measles-free-world-can-elimination-be-maintained
#6
J M Prada, C J E Metcalf, S Takahashi, J Lessler, A J Tatem, M Ferrari
INTRODUCTION: All six WHO regions currently have goals for measles elimination by 2020. Measles vaccination is delivered via routine immunization programmes, which in most sub-Saharan African countries reach children around 9months of age, and supplementary immunization activities (SIAs), which target a wider age range at multi-annual intervals. In the absence of endemic measles circulation, the proportion of individuals susceptible to measles will gradually increase through accumulation of new unvaccinated individuals in each birth cohort, increasing the risk of an epidemic...
February 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28214400/association-between-bisphosphonate-therapy-and-outcomes-from-rehabilitation-in-older-people
#7
James A Goodbrand, Lloyd D Hughes, Lynda Cochrane, Peter T Donnan, Mark McGilchrist, Helen Frost, Marion E T McMurdo, Miles D Witham
BACKGROUND: Bisphosphonate therapy may have actions beyond bone, including effects on cardiovascular, immune and muscle function. We tested whether bisphosphonate treatment is associated with improved outcomes in older people undergoing inpatient rehabilitation. METHODS: Analysis of prospectively collected, linked routine clinical datasets. Participants were divided into never users of bisphosphonates, use prior to rehabilitation only, use after rehabilitation only, and current users (use before and after rehabilitation)...
February 11, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28208268/medical-swab-analysis-using-desorption-electrospray-ionization-mass-spectrometry-a-noninvasive-approach-for-mucosal-diagnostics
#8
Pamela Pruski, David A MacIntyre, Holly V Lewis, Paolo Inglese, Gonçalo D S Correia, Trevor T Hansel, Phillip R Bennett, Elaine Holmes, Zoltan Takats
Medical swabs are routinely used worldwide to sample human mucosa for microbiological screening with culture methods. These are usually time-consuming and have a narrow focus on screening for particular microorganism species. As an alternative, direct mass spectrometric profiling of the mucosal metabolome provides a broader window into the mucosal ecosystem. We present for the first time a minimal effort/minimal-disruption technique for augmenting the information obtained from clinical swab analysis with mucosal metabolome profiling using desorption electrospray ionization mass spectrometry (DESI-MS) analysis...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28197963/a-concise-review-of-autoimmune-cytopenias-in-chronic-lymphocytic-leukemia
#9
REVIEW
Mazie Tsang, Sameer A Parikh
Chronic lymphocytic leukemia (CLL) is frequently associated with autoimmune complications such as autoimmune hemolytic anemia, immune thrombocytopenia, pure red cell aplasia, and autoimmune granulocytopenia. It is critical to diagnose cytopenias from these secondary complications of CLL accurately, since prognosis and therapy are substantially different from patients who have cytopenias due to extensive bone marrow infiltration by CLL. The pathogenesis of autoimmune cytopenias in CLL is complex; and it involves antigen presentation by CLL cells to polyclonal B cells resulting in production of autoantibody, and alteration of the T cell milieu tilting the balance in favor of an autoimmune response...
February 14, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28192646/higher-expression-of-toll-like-receptors-3-7-8-and-9-in-pityriasis-rosea
#10
Mostafa Abou El-Ela, Mohamed El-Komy, Rania Abdel Hay, Rehab Hegazy, Amin Sharobim, Laila Rashed, Khalda Sayed Amr
Background: Pityriasis rosea (PR) is a common papulosquamous skin disease in which an infective agent may be implicated. Toll-like receptors (TLRs) play an important role in immune responses and in the pathophysiology of inflammatory skin diseases. Our aim was to determine the possible roles of TLRs 3, 7, 8, and 9 in the pathogenesis of PR. Materials and Methods: Twenty-four PR patients and 24 healthy individuals (as controls) were included in this case control study...
February 13, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28192579/infectious-diseases-and-immunizations-in-international-adoption
#11
Emily Obringer, Linda Walsh
Children who are adopted internationally have an increased risk of infectious diseases due to endemic conditions and variable access to preventive health care, such as vaccines, in their country of origin. Pediatricians and other providers who care for children should be familiar with the recommended screening for newly arrived international adoptees. Testing for gastrointestinal pathogens, tuberculosis, hepatitis, syphilis, and HIV should be routinely performed. Other endemic diseases and common skin infections may need to be assessed...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28190744/use-of-m-health-in-polio-eradication-and-other-immunization-activities-in-developing-countries
#12
REVIEW
Sara S Kim, Manish Patel, Alan Hinman
INTRODUCTION: Reaching the children that are chronically missed by routine immunization services has been a key pillar of success in achieving progress toward polio eradication. The rapid advancement and accessibility of mobile technology ("mHealth") in low and lower middle income countries provides an important opportunity to apply novel, innovative approaches to provide vaccine services. We sought to document the use and effectiveness of mHealth in immunization programs in low and lower middle income countries...
February 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28186337/impaired-intestinal-cholecystokinin-secretion-a-fascinating-but-overlooked-link-between-celiac-disease-and-cholesterol-gallstone-disease
#13
REVIEW
Helen H Wang, Min Liu, Xiaodan Li, Piero Portincasa, David Q-H Wang
BACKGROUND: Celiac disease is a chronic, small intestinal, immune-mediated enteropathy caused by a permanent intolerance to dietary gluten in genetically predisposed individuals. Clinical studies have found that intestinal cholecystokinin secretion and gallbladder emptying in response to a fatty meal are impaired before celiac patients start the gluten-free diet (GFD). DESIGN: However, it was never really appreciated whether celiac disease is associated with gallstones because there were very few studies investigating the mechanism underlying the impact of celiac disease on the pathogenesis of gallstones...
February 10, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28183314/dpp-4-inhibition-has-no-acute-effect-on-bnp-and-its-n-terminal-pro-hormone-measured-by-commercial-immune-assays-a-randomized-cross-over-trial-in-patients-with-type-2-diabetes
#14
Gian Paolo Fadini, Benedetta Maria Bonora, Mattia Albiero, Martina Zaninotto, Mario Plebani, Angelo Avogaro
BACKGROUND: Use of dipeptidyl peptidase-4 inhibitors (DPP4-i) for the treatment of type 2 diabetes (T2D) has been associated with a possible increase in the risk for heart failure (HF). B-type natriuretic peptide (BNP), which is both a biomarker of HF and a hemodynamically active hormone, is a substrate of DPP-4. We herein tested the acute effects of the DPP-4i linagliptin on BNP and NT-proBNP in a cross-over placebo-controlled trial in patients with T2D with and without chronic kidney disease (CKD)...
February 10, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28166930/polymeric-antigen-blsomp31-in-aluminium-hydroxide-induces-serum-bactericidal-and-opsonic-antibodies-against-brucella-canis-in-dogs
#15
Maria Clausse, Alejandra G Díaz, Romina P Pardo, Vanesa Zylberman, Fernando A Goldbaum, Silvia M Estein
Polymeric antigen BLSOmp31 is an immunogenic vaccine candidate that confers protection against Brucella canis in mice. In this preliminary study, the immunogenicity and safety of BLSOmp31 adsorbed to aluminum hydroxide gel (BLSOmp31-AH) were evaluated in Beagle dogs. In addition, the potential to elicit serum antibodies with complement-dependent bactericidal activity and/or to enhance phagocytosis by neutrophils were analyzed. Dogs were immunized three times with BLSOmp31-AH by subcutaneous route, followed by an annual booster...
February 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28166247/recovery-rate-and-associated-factors-of-children-age-6-to-59-months-admitted-with-severe-acute-malnutrition-at-inpatient-unit-of-bahir-dar-felege-hiwot-referral-hospital-therapeutic-feeding-unite-northwest-ethiopia
#16
Hanna Demelash Desyibelew, Abel Fekadu, Haile Woldie
BACKGROUND: Despite numerous advances made in improving child health and the clinical management protocols for treating severe acute malnutrition at treatment centers, evidences concerning the treatment outcomes are scarce. Therefore, this study was conducted to assess the recovery rate and associated factors of severely acute malnourished children of age 6 to 59 months admitted to inpatient therapeutic feeding unit at Felege Hiwot Referral Hospital. METHODS: We conducted a hospital-based cross-sectional study including 401 severely malnourished children who were admitted from September 2012 to January 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28161295/serotype-distribution-and-antimicrobial-susceptibility-of-streptococcus-pneumoniae-strains-isolated-in-japan-after-introduction-of-the-routine-immunization-program
#17
Haruko Miyazaki, Rie Shibuya, Naoko Midorikawa, Bin Chang, Makoto Ohnishi, Tetsuya Matsumoto
Pneumococcal vaccines have reduced the incidences of Streptococcus pneumoniae infections among children and adults, but a relative increase in the prevalence of non-vaccine serotypes has been reported. To follow the changing epidemiology of pneumococcal diseases, capsular serotyping and antimicrobial susceptibility testing was performed on 534 pneumococcal isolates obtained from a hospital in Japan after routine immunization was launched, between October 2014 and May 2016. Serotype distributions and antimicrobial susceptibilities were evaluated among the total patient population, and were compared by age and sample groups and by serotype group, respectively...
February 1, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28159404/-pd1-pd-l1-immunohistochemistry-in-thoracic-oncology-where-are-we
#18
Paul Hofman, Marius Ilié, Sandra Lassalle, Elodie Long, Coraline Bence, Catherine Butori, Véronique Hofman
The assays for the assessment of the PD-L1 status by immunohistochemistry are available in clinical studies in thoracic oncology to predict response to immunotherapies targeting the PD-1/PD-L1 pathway. With the arrival of this new class of molecules in second line and very soon in first line of treatment for patients with advanced or metastatic non-small cell lung cancer, these tests will certainly be required in routine once these new drugs will be granted marketing authorization. The rapid introduction of these "companion" or "complementary" tests seems essential to select patients to benefit from these effective but also expensive and sometimes toxic therapies...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28159402/-evaluation-of-tumor-infiltrating-lymphocytes-in-breast-cancer-how-to-use-the-2014%C3%A2-international-guidelines
#19
Natacha Joyon, Manal Kordahi, Cécile Blanc-Fournier, Magali Lacroix-Triki
With the major development of immunotherapies, evaluation of the immune response associated to cancer has become the new challenge for pathologists. In breast cancer, this perspective has been notably anticipated by the recent publication, in 2014, of international guidelines for assessment of tumor-infiltrating lymphocytes (TILs), on routine haematoxylin-eosin stains. This technical article aims at reviewing the main key points and different steps in evaluation of tumor-infiltrating lymphocytes, in order to allow an easy implementation of this putative biomarker in routine practice...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28158921/the-double-antigen-elisa-concept-for-early-detection-of-e-rns-specific-classical-swine-fever-virus-antibodies-and-application-as-an-accompanying-test-for-differentiation-of-infected-from-marker-vaccinated-animals
#20
D Meyer, S Fritsche, Y Luo, C Engemann, S Blome, M Beyerbach, C-Y Chang, H-J Qiu, P Becher, A Postel
Emergency vaccination with live marker vaccines represents a promising control strategy for future classical swine fever (CSF) outbreaks, and the first live marker vaccine is available in Europe. Successful implementation is dependent on a reliable accompanying diagnostic assay that allows differentiation of infected from vaccinated animals (DIVA). As induction of a protective immune response relies on virus-neutralizing antibodies against E2 protein of CSF virus (CSFV), the most promising DIVA strategy is based on detection of E(rns) -specific antibodies in infected swine...
February 3, 2017: Transboundary and Emerging Diseases
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