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https://www.readbyqxmd.com/read/29331619/mycoplasma-pneumoniae-and-toll-like-receptors-a-mutual-avenue
#1
REVIEW
M Naghib, M Hatam-Jahromi, M Niktab, R Ahmadi, A Kariminik
Mycoplasma pneumoniae is an intracellular bacterium leading to several complications in humans. M. pneumoniae is cleared in some cases and induces complications in others. The main responsible mechanisms regarding the controversy are yet to be cleared. Toll-like receptors (TLRs) are the important cell membrane and intracellular receptors which recognize a wide range of microbial macromolecules. The roles of TLRs in the eradication of several pathogens and also induction of their related complications have been demonstrated...
January 10, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29330996/missed-immunization-opportunities-among-children-under-5-years-of-age-dwelling-in-karachi-city
#2
Asif Khaliq, Sayeeda Amber Sayed, Syed Abdullah Hussaini, Kiran Azam, Mehak Qamar
BACKGROUND: Immunization is the safest and effective measure for preventing and eradicating various communicable diseases. A glaring immunization gap exists between developing and industrialized countries towards immunization, because the developing countries including Pakistan are still striving to provide basic immunization to their children. The purpose of this study was to access the prevalence and factors of missing immunization among under 5-year children of Karachi.. METHODS: A cross sectional study was conducted from June 2015 to October 2015 among different outpatient clinics of Karachi...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330728/analysis-of-plasma-tenascin-c-in-post-hcv-cirrhosis-a-prospective-study
#3
Jennifer H Benbow, April D Elam, Krista L Bossi, Danae L Massengill, Elizabeth Brandon-Warner, William E Anderson, Catherine R Culberson, Mark W Russo, Andrew S deLemos, Laura W Schrum
BACKGROUND AND AIM: Hepatitis C virus (HCV)-related cirrhosis, one of the most common etiologies of liver cirrhosis in the Western world, is a risk factor for hepatocellular carcinoma. To confirm and improve current effectiveness of screening and prognosis of patients with established cirrhosis, a credible, simple plasma biomarker is needed. Hepatic stellate cell activation, a pivotal event in cirrhosis development, results in increased secretion of extracellular matrix proteins, including tenascin-C (TnC)...
January 12, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29330677/evaluating-efficacy-of-landsat-derived-environmental-covariates-for-predicting-malaria-distribution-in-rural-villages-of-vhembe-district-south-africa
#4
Oupa E Malahlela, Jane M Olwoch, Clement Adjorlolo
Malaria in South Africa is still a problem despite existing efforts to eradicate the disease. In the Vhembe District Municipality, malaria prevalence is still high, with a mean incidence rate of 328.2 per 100,0000 persons/year. This study aimed at evaluating environmental covariates, such as vegetation moisture and vegetation greenness, associated with malaria vector distribution for better predictability towards rapid and efficient disease management and control. The 2005 malaria incidence data combined with Landsat 5 ETM were used in this study...
January 12, 2018: EcoHealth
https://www.readbyqxmd.com/read/29330592/genomic-characterization-of-key-bacteriophages-to-formulate-the-potential-biocontrol-agent-to-combat-enteric-pathogenic-bacteria
#5
Krupa M Parmar, Nishant A Dafale, Hitesh Tikariha, Hemant J Purohit
Combating bacterial pathogens has become a global concern especially when the antibiotics and chemical agents are failing to control the spread due to its resistance. Bacteriophages act as a safe biocontrol agent by selectively lysing the bacterial pathogens without affecting the natural beneficial microflora. The present study describes the screening of prominent enteric pathogens NDK1, NDK2, NDK3, and NDK4 (Escherichia, Klebsiella, Enterobacter, and Serratia) mostly observed in domestic wastewater; against which KNP1, KNP2, KNP3, and KNP4 phages were isolated...
January 12, 2018: Archives of Microbiology
https://www.readbyqxmd.com/read/29330392/haploidentical-hematopoietic-sct-using-helical-tomotherapy-for-total-body-irradiation-and-targeted-dose-boost-in-patients-with-high-risk-refractory-acute-lymphoblastic-leukemia
#6
Zujun Jiang, Junsong Jia, Chunyan Yue, Yan Pang, Zenghui Liu, Ling Ouyang, Hongbo Li, Jinjian Zhang, Ting Wen, Jing Li, Zhiqiang Li, Yan Wang, Yang Xiao, Haowen Xiao
A novel conditioning regimen using helical tomotherapy (HT) was developed to deliver 10 Gy for total body irradiation (TBI) and simultaneously augment dose to 12 Gy for targeted dose boost to total marrow, central nervous system leukemia, and extramedullary disease sites in patients with high-risk or relapsed/refractory acute lymphoblastic leukemia (ALL) receiving haploidentical allogeneic hematopoietic stem cell transplantation (allo-HSCT). Fourteen patients were included, eight of these patients were in first complete remission (CR1), one was in CR2, one had a partial response and four patients had refractory disease at transplantation...
January 12, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29330346/underestimation-of-staphylococcus-aureus-mrsa-and-mssa-carriage-associated-with-standard-culturing-techniques-one-third-of-carriers-missed
#7
S T J Tsang, M P McHugh, D Guerendiain, P J Gwynne, J Boyd, A H R W Simpson, T S Walsh, I F Laurenson, K E Templeton
OBJECTIVES: Nasal carriers of Staphylococcus (S.) aureus (MRSA and MSSA) have an increased risk for healthcare-associated infections. There are currently limited national screening policies for the detection of S. aureus despite the World Health Organization's recommendations. This study aimed to evaluate the diagnostic performance of molecular and culture techniques in S. aureus screening, determine the cause of any discrepancy between the diagnostic techniques, and model the potential effect of different diagnostic techniques on S...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29330143/breast-cancer-targeting-through-inhibition-of-the-endoplasmic-reticulum-based-apoptosis-regulator-nrh-bcl2l10
#8
Adrien Nougarede, Nikolay Popgeorgiev, Loay Kassem, Soleilmane Omarjee, Stephane Borel, Ivan Mikaelian, Jonathan Lopez, Rudy Gadet, Olivier Marcillat, Isabelle Treilleux, Bruno O Villoutreix, Ruth Rimokh, Germain Gillet
Drug resistance and metastatic relapse remain a top challenge in breast cancer treatment. In this study, we present preclinical evidence for a strategy to eradicate advanced breast cancers by targeting the BCL2 homolog Nrh/BCL2L10, which we discovered to be overexpressed in >45% of a large cohort of breast invasive carcinomas. Nrh expression in these tumors correlated with reduced metastasis-free survival and we determined it to be an independent marker of poor prognosis. Nrh protein localized to the endoplasmic reticulum (ER)...
January 12, 2018: Cancer Research
https://www.readbyqxmd.com/read/29329686/highlighting-priority-areas-for-bovine-viral-diarrhea-control-in-italy-a-phylogeographic-approach
#9
Erika Ebranati, Stefania Lauzi, Francesco Cerutti, Claudio Caruso, Loretta Masoero, Ana Moreno, Gian Mario De Mia, Simone Peletto, Gianguglielmo Zehender, Camilla Luzzago
The prevalence and genetic diversity of bovine viral diarrhea virus (BVDV) in a geographic area are largely influenced by live animal trade and management practices. Despite control and eradication programs currently underway in several European countries, the risk of BVDV spread within and among countries is still present. BVDV-1 is the predominant type circulating in European cattle population. In this study, a phylogeographic analysis was applied to the BVDV-1 highest prevalent subtypes in Italy to reconstruct the origin and spatial-temporal distribution and to trace main viral flows between different locations to highlight priority areas for BVDV control...
January 9, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29329591/prospects-for-chimeric-antigen-receptor-modified-t-cell-therapy-for-solid-tumors
#10
REVIEW
Erhao Zhang, Jieyi Gu, Hanmei Xu
The potential for adoptive cell immunotherapy as a treatment against cancers has been demonstrated by the remarkable response in some patients with hematological malignancies using autologous T cells endowed with chimeric antigen receptors (CARs) specific for CD19. Clinical efficacy of CAR-T cell therapy for the treatment of solid tumors, however, is rare due to physical and biochemical factors. This review focuses on different aspects of multiple mechanisms of immunosuppression in solid tumors. We characterize the current state of CAR-modified T cell therapy and summarize the various strategies to combat the immunosuppressive microenvironment of solid tumors, with the aim of promoting T cell cytotoxicity and enhancing tumor cell eradication...
January 12, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29329403/host-tree-selection-by-the-invasive-argentine-ant-hymenoptera-formicidae-in-relation-to-honeydew-producing-insects
#11
Yugo Seko, Daisuke Hayasaka, Atsushi Nishino, Taizo Uchida, Francisco Sánchez-Bayo, Takuo Sawahata
The Argentine ant, Linepithema humile (Mayr; Hymenoptera: Formicidae), is one of the world's most hazardous invasive species, and thus its eradication from Japan is important. Physical and chemical controls can be expensive and cause strong adverse effects on local terrestrial ecosystems regardless of their high efficacy. Here, presence/absence of host-tree selection by Argentine ants was investigated to understand the ant-honeydew-producing insects interactions in order to develop new cultural controls compatible with biodiversity conservation...
January 10, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29329391/oxidative-burst-and-dectin-1-triggered-phagocytosis-affected-by-norepinephrine-and-endocannabinoids-implications-for-fungal-clearance-under-stress
#12
Judith-Irina Buchheim, Spencer Hoskyns, Dominique Moser, Bing Han, Elisabeth Deindl, Marion Hörl, Katharina Biere, Matthias Feuerecker, Gustav Schelling, Alexander Chouker
A prolonged stress burden is known to hamper the efficiency of both the innate and adaptive immune systems and to attenuate the stress responses by the catecholaminergic and endocannabinoid (EC) systems. Key mechanisms of innate immunity are the eradication of pathogens through phagocytosis and the respiratory burst. We tested the concentration-dependent, spontaneous and stimulated (via TNFα and fMLP) release of reactive oxygen species (ROS) by human PMNs in vitro in response to norepinephrine (NE) and AM1241, a pharmacological ligand for the endocannabinoid receptor CB2...
January 10, 2018: International Immunology
https://www.readbyqxmd.com/read/29329113/therapeutic-hiv-1-vaccine-time-for-immunomodulation-and-combinatorial-strategies
#13
Nabila Seddiki, Yves Lévy
PURPOSE OF REVIEW: The purpose is to recall some of the key immunological elements that are at the crossroad and need to be combined for developing a potent therapeutic HIV-1 vaccine. RECENT FINDINGS: Therapeutic vaccines and cytokines have been commonly used to enhance and/or recall preexisting HIV-1 specific cell-mediated immune responses aiming to suppress virus replication. While the vaccine is important to stimulate HIV-1 specific T-cell responses, the cytokine may support the expansion of the stimulated virus-specific T cells...
January 10, 2018: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29328973/feeding-inhibition-in-corbicula-fluminea-o-f-muller-1774-as-an-effect-criterion-to-pollutant-exposure-perspectives-for-ecotoxicity-screening-and-refinement-of-chemical-control
#14
Bruno Branco Castro, Carlos Silva, Inês Patrunilho Efe Macário, Bruno Oliveira, Fernando Gonçalves, Joana Luísa Pereira
Bivalves are commonly used in biomonitoring programs to track pollutants. Several features, including its filter-feeding abilities, cumulatively argue in favour of the use of the Asian clam (Corbicula fluminea) as a biosentinel and an ecotoxicological model. Filtration in bivalves is very sensitive to external stimuli and its control is dictated by regulation of the opening/closure of the valves, which may be used as an avoidance defence against contaminants. Here, we investigate the filter-feeding behaviour of the Asian clam as an endpoint for assessing exposure to pollutants, driven by two complementary goals: (i) to generate relevant and sensitive toxicological information based on the ability of C...
January 4, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29328367/tumorigenic-proteins-upregulated-in-the-mycn-amplified-imr-32-human-neuroblastoma-cells-promote-proliferation-and-migration
#15
Hayat Zaatiti, Jad Abdallah, Zeina Nasr, George Khazen, Anthony Sandler, Tamara J Abou-Antoun
Childhood neuroblastoma is one of the most common types of extra-cranial cancer affecting children with a clinical spectrum ranging from spontaneous regression to malignant and fatal progression. In order to improve the clinical outcomes of children with high-risk neuroblastoma, it is crucial to understand the tumorigenic mechanisms that govern its malignant behaviors. MYCN proto-oncogene, bHLH transcription factor (MYCN) amplification has been implicated in the malignant, treatment-evasive nature of aggressive, high-risk neuroblastoma...
January 4, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29327660/identification-of-2-phenylethanol-with-a-rose-like-odor-from-anal-sac-secretions-of-the-small-indian-mongoose-herpestes-auropunctatus
#16
Tamako Miyazaki, Katsushi Nakata, Takashi Nishimura, Shintaro Abe, Tetsuro Yamashita, Masao Miyazaki
The small Indian mongoose (Herpestes auropunctatus) is an invasive species in Okinawa and Amami-Oshima, Japan. Major strategies for their eradication have been the use of baited traps, which suffer from decreasing efficiency with declining populations and the bycatch of native animals. To address these concerns, mongoose-specific lures are required. In this study, we aimed to identify species- and/or sex-specific compounds from anal sac secretions of small Indian mongooses. Volatile compounds emitted from male and female mongoose anal sac secretions were analyzed by thermal desorption-gas chromatography-mass spectrometry...
January 12, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29327480/membrane-active-peptide-pv3-efficiently-eradicates-multidrug-resistant-pseudomonas-aeruginosa-in-a-mouse-model-of-burn-infection
#17
Hamed Memariani, Delavar Shahbazzadeh, Jean-Marc Sabatier, Kamran Pooshang Bagheri
The aim of this study was to evaluate the topical bactericidal activity of peptide PV3 against a MDR isolate of Pseudomonas aeruginosa in a mouse model of burn infection. The structural analysis of PV3 by circular dichroism spectroscopy indicated a low peptide helical content in water, whereas a high helical content was observed in the presence of the more hydrophobic 50% (v/v) trifluoroethanol/water buffer. A confocal microscopy analysis indicated that the main action of PV3 occurred at the membrane of bacteria...
January 12, 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29327244/antibody-based-delivery-of-tumor-necrosis-factor-l19-tnf%C3%AE-and-interleukin-2-l19-il2-to-tumor-associated-blood-vessels-has-potent-immunological-and-anticancer-activity-in-the-syngeneic-j558l-balb-c-myeloma-model
#18
Hans D Menssen, Ulf Harnack, Ulrike Erben, Dario Neri, Burkhard Hirsch, Horst Dürkop
PURPOSE: To analyze the impact of TNFα or IL2 on human lymphocytes in vitro and the anti-tumor and immune-modifying effects of L19-IL2 and L19-TNFα on subcutaneously growing J558L myeloma in immunocompetent mice. METHODS: PBMCs from three healthy volunteers were incubated with IL2, TNFα, or with IL2 plus addition of TNFα (final 20 h). BALB/c J558L mice with subcutaneous tumors were treated with intravenous L19-TNFα plus L19-IL2, or controls. Tumor growth and intra- and peri-tumoral tissues were analyzed for micro-vessel density, necrosis, immune cell composition, and PD1 or PD-L1 expressing cells...
January 11, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29327217/cryobiotechnology-of-apple-malus-spp-development-progress-and-future-prospects
#19
REVIEW
Min-Rui Wang, Long Chen, Jaime A Teixeira da Silva, Gayle M Volk, Qiao-Chun Wang
Cryopreservation provides valuable genes for further breeding of elite cultivars, and cryotherapy improves the production of virus-free plants in Malus spp., thus assisting the sustainable development of the apple industry. Apple (Malus spp.) is one of the most economically important temperate fruit crops. Wild Malus genetic resources and existing cultivars provide valuable genes for breeding new elite cultivars and rootstocks through traditional and biotechnological breeding programs. These valuable genes include those resistant to abiotic factors such as drought and salinity, and to biotic factors such as fungi, bacteria and aphids...
January 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29327068/the-specific-effect-of-gallic-acid-on-escherichia-coli-biofilm-formation-by-regulating-pgaabcd-genes-expression
#20
Jiamu Kang, Qianqian Li, Liu Liu, Wenyuan Jin, Jingfan Wang, Yuyang Sun
Escherichia coli (E. coli) is associated with an array of health-threatening contaminations, some of which are related to biofilm states. The pgaABCD-encoded poly-beta-1,6-N-acetyl-D-glucosamine (PGA) polymer plays an important role in biofilm formation. This study was conducted to determine the inhibitory effect of gallic acid (GA) against E. coli biofilm formation. Minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) values of GA against planktonic E. coli were 0.5 and 4 mg/mL, and minimal biofilm inhibitory concentration and minimal biofilm eradication concentration values of GA against E...
January 11, 2018: Applied Microbiology and Biotechnology
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