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BMC Immunology

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https://www.readbyqxmd.com/read/29902992/cancer-immunoprevention-from-mice-to-early-clinical-trials
#1
REVIEW
Arianna Palladini, Lorena Landuzzi, Pier-Luigi Lollini, Patrizia Nanni
Cancer immunoprevention is based on the fact that a functioning immune system controls tumor onset and development in humans and animals, thus leading to the idea that the enhancement of immune responses in healthy individuals could effectively reduce cancer risk later in life. Successful primary immunoprevention of tumors caused by hepatitis B and papilloma viruses is already implemented at the population level with specific vaccines. The immunoprevention of human tumors unrelated to infectious agents is an outstanding challenge...
June 15, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29801432/a-qualitatively-validated-mathematical-computational-model-of-the-immune-response-to-the-yellow-fever-vaccine
#2
Carla R B Bonin, Guilherme C Fernandes, Rodrigo W Dos Santos, Marcelo Lobosco
BACKGROUND: Although a safe and effective yellow fever vaccine was developed more than 80 years ago, several issues regarding its use remain unclear. For example, what is the minimum dose that can provide immunity against the disease? A useful tool that can help researchers answer this and other related questions is a computational simulator that implements a mathematical model describing the human immune response to vaccination against yellow fever. METHODS: This work uses a system of ten ordinary differential equations to represent a few important populations in the response process generated by the body after vaccination...
May 25, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29661145/therapeutic-cancer-vaccine-phase-i-clinical-tolerance-study-of-hu-rhegf-rp64k-mont-in-patients-with-newly-diagnosed-advanced-non-small-cell-lung-cancer
#3
Puyuan Xing, Hongyu Wang, Sheng Yang, Xiaohong Han, Yan Sun, Yuankai Shi
BACKGROUND: Hu-rhEGF-rP64k/Mont is a biotechnology product for the treatment of advanced non-small cell lung cancer (NSCLC). The vaccine induces a neutralizing antibody-mediated immune response, against the normal circulating self-protein antigen epidermal growth factor (EGF), which prevents its binding to and activation of the EGF receptor, inhibiting the transduction of the signals that drive cancer cell proliferation, survival and spread. This phase I study aimed to evaluate the safety and the immunological response of Hu-rhEGF-rP64k vaccine in NSCLC patients...
April 16, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29661142/neutrophils-in-primary-gastric-tumors-are-correlated-with-neutrophil-infiltration-in-tumor-draining-lymph-nodes-and-the-systemic-inflammatory-response
#4
Soichiro Hiramatsu, Hiroaki Tanaka, Junya Nishimura, Chie Sakimura, Tatsuro Tamura, Takahiro Toyokawa, Kazuya Muguruma, Masakazu Yashiro, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: Tumor-Associated Neutrophils (TANs) may be able to induce lymphangiogenesis and angiogenesis, although the detailed roles of TANs remain unclear. The Neutrophil-Lymphocyte Ratio (NLR) is an inflammation-based prognostic factor for gastric cancer. This study aimed to investigate the distribution of CD15+ neutrophils in the primary tumor and Tumor-Draining Lymph Nodes (TDLNs), and to examine the association of TANs with the clinicopathological features (including NLR) of patients with gastric cancer...
April 16, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29562882/low-hla-binding-of-diabetes-associated-cd8-t-cell-epitopes-is-increased-by-post-translational-modifications
#5
John Sidney, Jose Luis Vela, Dave Friedrich, Ravi Kolla, Matthias von Herrath, Johnna D Wesley, Alessandro Sette
BACKGROUND: Type 1 diabetes (T1D) is thought to be an autoimmune disease driven by anti-islet antigen responses and mediated by T-cells. Recent published data suggests that T-cell reactivity to modified peptides, effectively neoantigens, may promote T1D. These findings have given more credence to the concept that T1D may not be solely an error of immune recognition but may be propagated by errors in protein processing or in modifications to endogenous peptides occurring as result of hyperglycemia, endoplasmic reticulum (ER) stress, or general beta cell dysfunction...
March 21, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29544447/in-silico-prediction-of-cancer-immunogens-current-state-of-the-art
#6
REVIEW
Irini A Doytchinova, Darren R Flower
Cancer kills 8 million annually worldwide. Although survival rates in prevalent cancers continue to increase, many cancers have no effective treatment, prompting the search for new and improved protocols. Immunotherapy is a new and exciting addition to the anti-cancer arsenal. The successful and accurate identification of aberrant host proteins acting as antigens for vaccination and immunotherapy is a key aspiration for both experimental and computational research. Here we describe key elements of in silico prediction, including databases of cancer antigens and bleeding-edge methodology for their prediction...
March 15, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29490627/utility-of-dominant-epitopes-derived-from-cell-wall-protein-lppz-for-immunodiagnostic-of-pulmonary-tuberculosis
#7
Jinjing Tan, Xiaoguang Wu, Suting Chen, Meng Gu, Hairong Huang, Wentao Yue
BACKGROUND: Serological antibodies tests for tuberculosis (TB) are widely used in developing countries. They appear to have some advantages- faster, simple and could be used for extrapulmonary TB. However, most of current commercial TB serological tests are failed to provide sufficient sensitivity and specificity. Improved serological biomarkers were essential. In this study, we present an approach using peptide array to discover new immunodiagnostic biomarkers based on immunodominant epitopes of TB antigens...
March 1, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29452585/beta-2-adrenergic-receptors-increase-treg-cell-suppression-in-an-ova-induced-allergic-asthma-mouse-model-when-mice-are-moderate-aerobically-exercised
#8
Kari J Dugger, Taylor Chrisman, Sarah L Sayner, Parker Chastain, Kacie Watson, Robert Estes
BACKGROUND: The potency of T regulatory (TREG) cells to inhibit T helper (Th)-driven immune cell responses has been linked to increased intracellular cyclic-AMP (cAMP) levels of TREG cells. In an ovalbumin (OVA)-driven allergic asthma mouse model, moderate aerobic exercise increases TREG cell function in a contact-dependent manner that leads to a significant reduction in chronic inflammation and restoration of lung function. However, the mechanism, whereby exercise increases TREG function, remains unknown and was the focus of these investigations...
February 17, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29433450/pathogen-recognition-by-nk-cells-amplifies-the-pro-inflammatory-cytokine-production-of-monocyte-derived-dc-via-ifn-%C3%AE
#9
Tammy Oth, Thomas H P M Habets, Wilfred T V Germeraad, Marijke I Zonneveld, Gerard M J Bos, Joris Vanderlocht
BACKGROUND: Besides their prominent role in the elimination of infected or malignantly transformed cells, natural killer (NK) cells serve as modulators of adaptive immune responses. Enhancing bidirectional crosstalk between NK cells and dendritic cells (DC) is considered a promising tool to potentiate cancer vaccines. We investigated to what extent direct sensing of viral and bacterial motifs by NK cells contributes to the response of inflammatory DC against the same pathogenic stimulus...
February 13, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29390972/establishment-of-malignantly-transformed-dendritic-cell-line-su3-ihdctc-induced-by-glioma-stem-cells-and-study-on-its-sensitivity-to-resveratrol
#10
Xifeng Fei, Anqi Wang, Delin Wang, Xan Meng, Jiawei Ma, Lei Hong, Ruwei Qin, Aidong Wang, Jun Dong, Qiang Huang, Zhimin Wang
BACKGROUND: As a factor contributing to the tumor cell drug resistance, tumor microenvironment (TME) is being paid increasingly attention. However, the drug resistance of malignantly transformed cells in TME has rarely been revealed. This paper is designed to investigate the sensitivity of malignantly transformed cell line (ihDCTC) induced by glioma stem cells (GSCs) in TME to chemotherapeutic drugs. METHODS: (1) Establishment of ihDCTC cell line,The bone marrow cells from enhanced green fluorescent protein (EGFP) transgenic nude mice were employed to culture the dendritic cells (DCs) in vitro, which were then co-cultured with red fluorescence protein (RFP) transgenic GSCs (SU3) to obtain ihDCTC (2) Res and Cis were used to intervene in the growth of abovemetioned cell lines in vitro and Res treated in bearing ihDCTC tumor mice, followed by evaluating their drug sensitivity and changes in key signaling proteins via half maximal inhibitory concentration (IC50 ), tumor mass and immunostaining method...
February 2, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29386070/down-selecting-adjuvanted-vaccine-formulations-a-comparative-method-for-harmonized-evaluation
#11
Sumera Y Younis, Christophe Barnier-Quer, Simon Heuking, Vinod Sommandas, Livia Brunner, Nicole Vd Werff, Patrice Dubois, Martin Friede, Clemens Kocken, Nicolas Collin, Ed Remarque
BACKGROUND: The need for rapid and accurate comparison of panels of adjuvanted vaccine formulations and subsequent rational down selection, presents several challenges for modern vaccine development. Here we describe a method which may enable vaccine and adjuvant developers to compare antigen/adjuvant combinations in a harmonized fashion. Three reference antigens: Plasmodium falciparum apical membrane antigen 1 (AMA1), hepatitis B virus surface antigen (HBsAg), and Mycobacterium tuberculosis antigen 85A (Ag85A), were selected as model antigens and were each formulated with three adjuvants: aluminium oxyhydroxide, squalene-in-water emulsion, and a liposome formulation mixed with the purified saponin fraction QS21...
January 31, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29368640/co-localization-of-lymphoid-aggregates-and-lymphatic-networks-in-nose-nalt-and-lacrimal-duct-associated-lymphoid-tissue-ldalt-of-mice
#12
Melanie Lohrberg, Reinhard Pabst, Jörg Wilting
BACKGROUND: The lymphatic vascular pattern in the head of mice has rarely been studied, due to problems of sectioning and immunostaining of complex bony structures. Therefore, the association of head lymphoid tissues with the lymphatics has remained unknown although the mouse is the most often used species in immunology. RESULTS: Here, we studied the association of nasal and nasolacrimal duct lymphatics with lymphoid aggregates in 14-day-old and 2-month-old mice...
January 25, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29368591/rna-gene-profile-variation-in-peripheral-blood-mononuclear-cells-from-rhesus-macaques-immunized-with-hib-conjugate-vaccine-hib-capsular-polysaccharide-and-tt-carrier-protein
#13
Jing Tang, Ying Zhang, Xiaolong Zhang, Yun Liao, Yongrong Wang, Shengjie Ouyang, Yanchun Che, Miao Xu, Jing Pu, Qi Shen, Zhanlong He, Qiang Ye, Qihan Li
BACKGROUND: The Haemophilus influenzae type b (Hib) conjugate vaccine has been widely used in children to prevent invasive Hib disease because of its strong immunogenicity and antibody response induction relative to the capsular polysaccharide (CPS) antigen. The data from vaccine studies suggest that the conjugate vaccine contains carrier proteins that enhance and/or regulate the antigen's immunogenicity, but the mechanism of this enhancement remains unclear. METHODS: To explore the immunological role of the conjugate vaccine, we compared the immune responses and gene profiles of rhesus macaques after immunization with CPS, carrier protein tetanus toxoid (TT) or conjugate vaccine...
January 25, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29361917/distribution-of-m1-and-m2-macrophages-in-tumor-islets-and-stroma-in-relation-to-prognosis-of-non-small-cell-lung-cancer
#14
Jurgita Jackute, Marius Zemaitis, Darius Pranys, Brigita Sitkauskiene, Skaidrius Miliauskas, Simona Vaitkiene, Raimundas Sakalauskas
BACKGROUND: Non-small cell lung cancer (NSCLC) remains the most common cause of cancer related death worldwide. Tumor-infiltrating macrophages are believed to play an important role in growth, progression, and metastasis of tumors. In NSCLC, the role of macrophages remains controversial; therefore, we aimed to evaluate the distribution of macrophages (M1 and M2) in tumor islets and stroma and to analyze their relations to patients' survival. METHODS: Lung tissue specimens from 80 NSCLC patients who underwent surgical resection for NSCLC (pathological stage I-III) and 16 control group subjects who underwent surgery because of recurrent spontaneous pneumothorax were analyzed...
January 24, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29301495/cattle-infection-response-network-and-its-functional-modules
#15
Hamid Beiki, Abbas Pakdel, Ardeshir Nejati Javaremi, Ali Masoudi-Nejad, James M Reecy
BACKGROUND: Weighted Gene Co-expression Network analysis, a powerful technique used to extract co-expressed gene pattern from mRNA expression data, was constructed to infer common immune strategies used by cattle in response to five different bacterial species (Escherichia coli, Mycobacterium avium, Mycobacterium bovis, Salmonella and Staphylococcus aureus) and a protozoa (Trypanosoma Congolense) using 604 publicly available gene expression microarrays from 12 cattle infection experiments...
January 5, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29298663/association-between-major-depressive-disorder-and-pro-inflammatory-cytokines-and-acute-phase-proteins-among-hiv-1-positive-patients-in-uganda
#16
Kenneth Musinguzi, Andrew Obuku, Noeline Nakasujja, Harriet Birabwa, Juliet Nakku, Jonathan Levin, Eugene Kinyanda
BACKGROUND: Major depressive disorder (MDD) is a common psychiatric complication of HIV/AIDS. While considerable research has been undertaken to understand the psychosocial risk factors of MDD, there is a paucity of data on its biological risk factors including immunological factors. To address this we undertook a study to investigate the association between MDD and pro-inflammatory cytokines and acute phase proteins among persons living with HIV/AIDS (PLWHA) in Uganda. We collected clinical and laboratory data on 201 PLWHA attending two HIV clinics in central and southwestern Uganda...
January 3, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29281969/functional-expression-of-ccl8-and-its-interaction-with-chemokine-receptor-ccr3
#17
Baosheng Ge, Jiqiang Li, Zhijin Wei, Tingting Sun, Yanzhuo Song, Naseer Ullah Khan
BACKGROUND: Chemokines and their cognate receptors play important role in the control of leukocyte chemotaxis, HIV entry and other inflammatory diseases. Developing an effcient method to investigate the functional expression of chemokines and its interactions with specific receptors will be helpful to asses the structural and functional characteristics as well as the design of new approach to therapeutic intervention. RESULTS: By making systematic optimization study of expression conditions, soluble and functional production of chemokine C-C motif ligand 8 (CCL8) in Escherichia coli (E...
December 28, 2017: BMC Immunology
https://www.readbyqxmd.com/read/29262790/rheumatoid-factor-is-correlated-with-disease-activity-and-inflammatory-markers-in-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#18
Shinji Watanabe, Takahisa Gono, Kumiko Nishina, Naohiro Sugitani, Eri Watanabe, Hiroki Yabe, Chihiro Terai
BACKGROUND: Some patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) also have positivity of rheumatoid factor (RF). However, the clinical significance of this occurrence remains unknown in AAV patients. The aim of this study was to clarify an association between the presence of RF and clinical features in patients with AAV. RESULTS: Forty-seven patients diagnosed with AAV who were not complicated with RA were enrolled in this study...
December 20, 2017: BMC Immunology
https://www.readbyqxmd.com/read/29258429/mesenchymal-stem-cell-conditioned-medium-alleviates-oxidative-stress-injury-induced-by-hydrogen-peroxide-via-regulating-mir143-and-its-target-protein-in-hepatocytes
#19
Xuejing Xu, Dong Li, Xue Li, Qing Shi, Xiuli Ju
BACKGROUND: To investigate the impact of miRNA (microRNA) on hepatic oxidative stress damage under the human mesenchymal stem cell conditioned medium (MSC-CM) and explore the roles of the beta-1 adrenergic receptor (ADRB1) and hexokinase 2 (HK2) in this process. METHODS: Hydrogen peroxide was used to induce oxidative stress injury in the human normal liver cell line L02. MSC-CM was separately prepared. After treatment with MSC-CM, the protective effects of MSC-CM on oxidative stress injury were assessed by changes in apoptosis, cell viability, cell cycle, and mitochondrial membrane potential...
December 19, 2017: BMC Immunology
https://www.readbyqxmd.com/read/29258420/renal-allograft-rejection-lymphocyte-infiltration-and-de-novo-donor-specific-antibodies-in-a-novel-model-of-non-adherence-to-immunosuppressive-therapy
#20
Louisa Kühne, Bettina Jung, Helen Poth, Antonia Schuster, Simone Wurm, Petra Ruemmele, Bernhard Banas, Tobias Bergler
BACKGROUND: Non-adherence has been associated with reduced graft survival. The aim of this study was to investigate the immunological mechanisms underlying chronic renal allograft rejection using a model of non-adherence to immunosuppressive therapy. We used a MHC (major histocompatibility complex) -mismatched rat model of renal transplantation (Brown Norway to Lewis), in which rats received daily oral cyclosporine A. In analogy to non-adherence to therapy, one group received cyclosporine A on alternating days only...
December 19, 2017: BMC Immunology
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