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Z X Jia, X H Cai, R Xiao, X W Zhang, X Wu, W M Han, M Zhou, Z C Zhu, X Z Lu
No abstract text is available yet for this article.
March 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Q L Gui, Y S Wang, S Huang, Y Wan, H P Wang, Z G Zhu, M M Li, H Y Zhu, Q S Tao, Y Y Shen, Q Zhang, H Qin
Objective: To investigate the clinical significance of tumor associated macrophages (TAM) in multiple myeloma (MM) and the relationship with angiogenesis and immunosuppression. Methods: Seventy cases of MM patients diagnosed from August 2015 to June 2017 were enrolled in the study as experimental group, 20 cases of benign hematological diseases (13 with iron deficiency anemia and 7 with megaloblastic anemia) patients as control group. Immunohistochemical method was used to detect the expression of CD163, CD34 and VEGF in bone marrow samples, and flow cytometry was used to detect the proportion of regulatory T cell (Treg cells), ELISA was used to detect the level of IL-10, and the clinical features were analyzed...
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
L Thijs, P Messiaen, J van der Hilst, V Madoe, C Melis, P Van Eyken, I Vanmoerkerke, F Janssens
Schistosomiasis is a parasitic disease caused by Schistosoma species. Intestinal and hepatic schistosomiases are the most common forms of chronic disease. We describe a case of a 26-year old patient from Eritrea who was referred to our hospital with abdominal pain and diarrhea. The diagnosis of hepatosplenic schistosomiasis was made by liver biopsy and the patient was treated with praziquantel. Hepatic schistosomiasis is characterised by deposition of schistosomal eggs in the liver which results in a host cell immune response and leads to granuloma formation and neoangiogenesis...
January 2018: Acta Gastro-enterologica Belgica
D N Durrheim
No abstract text is available yet for this article.
March 19, 2018: Journal of Infectious Diseases
Mitsuko Kishi-Kaboshi, Shigemi Seo, Akira Takahashi, Hirohiko Hirochika
Phenylpropanoids including diverse compounds, such as monolignols and hydroxycinnamic acids (HCAAs), are essential for land plants to protect them against abiotic stresses, and create physical and chemical barriers to pathogen infection. However, the production control of these compounds against to pathogens has been poorly understood. Previously we showed that a MAMP (microbe-associated molecular pattern) -responsive MAPK (mitogen-activated protein kinase) cascade (MKK4-MPK3/MPK6) comprehensively induced the expression of cinnamate/monolignol synthesis genes in rice cells...
March 19, 2018: Plant & Cell Physiology
X J Wang, J H Feng, M H Zhang, X M Li, D D Ma, S S Chang
The intestinal microbiome has been shown to influence animal nutrient metabolism and immune homeostasis. The present study aimed to examine the effect of heat stress on the intestinal microbiome of broilers using pyrosequencing technologies. Ninety-six Arbor Acres broiler chicks were allocated to thermoneutral control (TC; 21 ± 1°C) and high ambient temperature (HT; 31 ± 1°C) groups (6 cages of 8 birds per group), respectively, and raised in 2 controlled climate chambers from 28 to 42 d old. Genomic DNA was extracted from ileal contents isolated from 6 male broiler chicks of each group at 42 d old, and then amplified based on the V3-4 hyper-variable region of 16S rRNA...
March 16, 2018: Poultry Science
A K Winter, M E Martinez, F T Cutts, W J Moss, M Ferrari, A McKee, J Lessler, K Hayford, J Wallinga, C J E Metcalf
Control efforts for measles and rubella are intensifying globally. It becomes increasingly important to identify and reach remaining susceptible populations as elimination is approached. Serological surveys for measles and rubella can potentially measure susceptibility directly, but their use remains rare. Here, using simulations, we outline key subtleties in interpretation associated with the dynamic context of age-specific immunity, highlighting how the patterns of immunity predicted from disease surveillance and vaccination coverage data may be misleading...
March 19, 2018: Journal of Infectious Diseases
Ulrike Bechtold, John N Ferguson, Philip M Mullineaux
The emergence of Arabidopsis as a model species and the availability of genetic and genomic resources have resulted in the identification and detailed characterisation of abiotic stress signalling pathways. However, this has led only to limited success in engineering abiotic stress tolerance in crops. This is because there needs to be a deeper understanding in how to combine resistances to a range of stresses with growth and productivity. The natural variation and genomic resources of Arabidopsis thaliana (Arabidopsis) is a great asset to understand the mechanisms of multiple stress tolerances...
March 17, 2018: Journal of Experimental Botany
Jingjing Song, Da Ma, Xiangqi Liu, Yichen Chen, Juan Fang, Vivian Wai Yan Lui, Sijia Zhao, Juan Xia, Bin Cheng, Zhi Wang
Thrombomodulin (TM, also known as CD141), which functions as an anticoagulant, is widely expressed on cell surface of a variety of cell types, including human blood cells as well as certain immune cells. To determine whether TM could be a potential marker for OSCC diagnosis as well as a molecular target for OSCC therapy, we examined the expression of TM in an oral cancer tissue microarray with 153 oral cancer tissues. Further, we also analyzed the expression of TM on DCs of 36 OSCC patients and 36 healthy donors...
March 18, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
Dunja Mrdjen, Anto Pavlovic, Felix J Hartmann, Bettina Schreiner, Sebastian G Utz, Brian P Leung, Iva Lelios, Frank L Heppner, Jonathan Kipnis, Doron Merkler, Melanie Greter, Burkhard Becher
No abstract text is available yet for this article.
March 20, 2018: Immunity
Lorraine A O'Reilly, Tracy L Putoczki, Lisa A Mielke, Jun T Low, Ann Lin, Adele Preaudet, Marco J Herold, Kelvin Yaprianto, Lin Tai, Andrew Kueh, Guido Pacini, Richard L Ferrero, Raffi Gugasyan, Yifang Hu, Michael Christie, Stephen Wilcox, Raelene Grumont, Michael D W Griffin, Liam O'Connor, Gordon K Smyth, Mathias Ernst, Paul Waring, Steve Gerondakis, Andreas Strasser
Polymorphisms in NFKB1 that diminish its expression have been linked to human inflammatory diseases and increased risk for epithelial cancers. The underlying mechanisms are unknown, and the link is perplexing given that NF-κB signaling reportedly typically exerts pro-tumorigenic activity. Here we have shown that NF-κB1 deficiency, even loss of a single allele, resulted in spontaneous invasive gastric cancer (GC) in mice that mirrored the histopathological progression of human intestinal-type gastric adenocarcinoma...
March 20, 2018: Immunity
Antonella Montinaro, Henning Walczak
Constitutively activated NF-κB signaling has long been known to be oncogenic. In this issue of Immunity, O'Reilly et al. (2018) unveil a link between loss of NF-κB1, aberrant STAT1 signaling, sterile inflammation, and the increased expression of immune checkpoint molecules as cancer drivers.
March 20, 2018: Immunity
Elizabeth M Steinert, Navdeep S Chandel
Memory CD8+ T cells mediate protective secondary immune responses. In this issue, Bantug et al. (2018) demonstrate that mTORC2-AKT-GSK3β signaling at mitochondria-ER contact sites enables the TCA cycle flux that is necessary for memory CD8+ T cells to produce IFN-γ.
March 20, 2018: Immunity
Hansruedi Mathys, Jay Penney, Li-Huei Tsai
The epigenetic mechanisms controlling microglia functions are largely unknown. In this issue of Immunity, Datta et al. (2018) uncover surprising and distinct effects of deleting the epigenetic regulators HDAC1 and HDAC2 during microglial development versus during the course of neurodegeneration.
March 20, 2018: Immunity
Dale I Godfrey, Jérôme Le Nours, Daniel M Andrews, Adam P Uldrich, Jamie Rossjohn
Most studies on the immunotherapeutic potential of T cells have focused on CD8 and CD4 T cells that recognize peptide antigens (Ag) presented by polymorphic major histocompatibility complex (MHC) class I and MHC class II molecules, respectively. However, unconventional T cells, which interact with MHC class Ib and MHC-I like molecules, are also implicated in tumor immunity, although their role therein is unclear. These include unconventional T cells targeting MHC class Ib molecules such as HLA-E and its murine ortholog Qa-1b, natural killer T (NKT) cells, mucosal associated invariant T (MAIT) cells, and γδ T cells...
March 20, 2018: Immunity
Chong Sun, Riccardo Mezzadra, Ton N Schumacher
Expression of programmed death-ligand 1 (PD-L1) is frequently observed in human cancers. Binding of PD-L1 to its receptor PD-1 on activated T cells inhibits anti-tumor immunity by counteracting T cell-activating signals. Antibody-based PD-1-PD-L1 inhibitors can induce durable tumor remissions in patients with diverse advanced cancers, and thus expression of PD-L1 on tumor cells and other cells in the tumor microenviroment is of major clinical relevance. Here we review the roles of the PD-1-PD-L1 axis in cancer, focusing on recent findings on the mechanisms that regulate PD-L1 expression at the transcriptional, posttranscriptional, and protein level...
March 20, 2018: Immunity
Shetal A Patel, Andy J Minn
The success of immune checkpoint blockade in patients with a wide variety of malignancies has changed the treatment paradigm in oncology. However, combination therapies with immune checkpoint blockade will be needed to overcome resistance and broaden the clinical utility of immunotherapy. Here we discuss a framework for rationally designing combination therapy strategies based on enhancing major discriminatory functions of the immune system that are corrupted by cancer-namely, antigenicity, adjuvanticity, and homeostatic feedback inhibition...
March 20, 2018: Immunity
Max D Wellenstein, Karin E de Visser
Owing to their tremendous diversity and plasticity, immune cells exert multifaceted functions in tumor-bearing hosts, ranging from anti-tumor to pro-tumor activities. Tumor immune landscapes differ greatly between and within cancer types. Emerging evidence suggests that genetic aberrations in cancer cells dictate the immune contexture of tumors. Here, we review the current understanding of the mechanisms whereby common drivers of tumorigenesis modulate the tumor immune milieu. We discuss these findings in the context of clinical observations and examine how cancer-cell-intrinsic properties can be exploited to maximize the benefit of immunomodulatory therapies...
March 20, 2018: Immunity
Qifan Zhu, Si Ming Man, Rajendra Karki, R K Subbarao Malireddi, Thirumala-Devi Kanneganti
Interferons (IFNs) and inflammasomes are essential mediators of anti-microbial immunity. Type I IFN signaling drives activation of the AIM2 inflammasome in macrophages; however, the relative contribution of IFNs and inflammasome responses in host defense is less understood. We report intact AIM2 inflammasome responses in mice lacking type I IFN signaling during infection with F. novicida. Lack of type I IFN signaling conferred protection to F. novicida infection in contrast to the increased susceptibility in AIM2-deficient mice...
March 20, 2018: Cell Reports
Brener Santos Silva, Hiago Victor Coelho, Ricardo Bezerra Cavalcante, Valéria Conceição de Oliveira, Eliete Albano de Azevedo Guimarães
OBJECTIVE: To carry out the National Immunization Program Information System (SIPNI) accessability assessment (EA), considering the description of the intervention, the elaboration of the theoretical-logical model and the identification of the evaluative questions. METHOD: A single case study with a qualitative approach, based on the system of seven elements proposed by Thurston and Ramaliu (2005). The SIPNI and the context of analysis, the vaccination rooms, were defined as the case...
2018: Revista Brasileira de Enfermagem
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