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Immunologic Research

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https://www.readbyqxmd.com/read/28432603/immunoprophylaxis-of-multi-antigen-peptide-map-vaccine-for-human-lymphatic-filariasis
#1
Christiana Immanuel, Aparnaa Ramanathan, Malathi Balasubramaniyan, Vishal Kishor Khatri, Nitin Purushottam Amdare, Donthamsetty Nageswara Rao, Maryada Venkata Rami Reddy, Kaliraj Perumal
Human lymphatic filariasis, the parasitic disease caused by the filarial nematodes Wuchereria bancrofti, Brugia malayi, and Brugia timori, is ranked as the second most complex clinical condition leading to permanent and long-term disability. The multiple antigen peptide (MAP) approach is an effective method to chemically synthesize and deliver multiple T and B cell epitopes as the constituents of a single immunogen. Here, we report on the design, chemical synthesis, and immunoprophylaxis of three epitopes that have been identified from promising vaccine candidates reported in our previous studies, constructed as MAP on an inert lysine core for human lymphatic filariasis in Jird model...
April 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28405920/effector-functions-of-memory-ctls-can-be-affected-by-signals-received-during-reactivation
#2
Yingjun Lv, Elliot Mattson, Anjuli Bhadurihauck, Karla Garcia, Lei Li, Zhengguo Xiao
Memory cytotoxic T lymphocytes (CTLs) are able to provide protections to the host against repeated insults from intracellular pathogens. However, it has not been completely understood how the effector functions of memory CTLs are induced upon antigen challenge, which is directly related to the efficacy of their protection. Third signal cytokines, such as IL-12 and type I interferon, have been suggested to be involved in the protective function of memory CTLs, but direct evidence is warranted. In this report, we found that memory CTLs need to be reactivated to exert effector functions...
April 12, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28391374/resolution-of-inflammation-pathways-in-preeclampsia-a-narrative-review
#3
REVIEW
Luiza Oliveira Perucci, Mário Dias Corrêa, Luci Maria Dusse, Karina Braga Gomes, Lirlândia Pires Sousa
Preeclampsia (PE) is one of the leading causes of maternal morbidity and mortality worldwide. This disease is believed to occur in two stages with placental dysfunction in early pregnancy leading to maternal clinical findings after 20 weeks of gestation, as consequence of systemic inflammation, oxidative stress, and endothelial dysfunction. Much evidence suggests that PE women display an overshooting inflammatory response throughout pregnancy due to an unbalanced regulation of innate and adaptive immune responses...
April 8, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28378118/mir-451-limits-cd4-t-cell-proliferative-responses-to-infection-in-mice
#4
Lesley M Chapman, Sara K Ture, David J Field, Craig N Morrell
MicroRNAs (miRNAs) are major regulators of cell responses, particularly in stressed cell states and host immune responses. Some miRNAs have a role in pathogen defense, including regulation of immune responses to Plasmodium parasite infection. Using a nonlethal mouse model of blood stage malaria infection, we have found that miR-451(-/-) mice infected with Plasmodium yoelii XNL cleared infection at a faster rate than did wild-type (WT) mice. MiR-451(-/-) mice had an increased leukocyte response to infection, with the protective phenotype primarily driven by CD4(+) T cells...
April 4, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28367602/myeloid-cells-expressing-high-level-of-cd45-are-associated-with-a-distinct-activated-phenotype-in-glioma
#5
Susan Brandenburg, Kati Turkowski, Annett Mueller, Yordan T Radev, Sabine Seidlitz, Peter Vajkoczy
Glioblastoma multiforme is characterized by high accumulation of microglia/macrophages. The function of these tumor-infiltrating myeloid cells is not sufficiently elucidated. Therefore, a better understanding of the precise immune cell composition and function in brain tumors is required. In rodent glioma models, two different myeloid cell populations exist, determined by the expression level of CD45, namely CD11b(+)CD45(low) and CD11b(+)CD45(high). Previous analyses of cytokine and marker expression profiles were almost exclusively performed on the entire myeloid cell fraction...
April 3, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28357565/anti-glomerular-basement-membrane-glomerulonephritis-with-thrombotic-microangiopathy-a-case-report
#6
Xiao-Juan Yu, Sha-Sha Han, Su-Xia Wang, Xiao-Yu Jia, Wei-Yi Guo, Zhao Cui, Feng Yu, Fu-de Zhou, Ming-Hui Zhao
No abstract text is available yet for this article.
March 29, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28349250/curcumin-improves-treatment-outcome-of-takayasu-arteritis-patients-by-reducing-tnf-%C3%AE-a-randomized-placebo-controlled-double-blind-clinical-trial
#7
Nan Shao, Huixin Jia, Yiwen Li, Jingying Li
Tumor necrosis factor (TNF) inhibitors have been found to exhibit certain efficacy in treating refractory Takayasu arteritis (TA) in clinic despite severe adverse effects. The aim of this study is to investigate a natural anti-TNF compound, curcumin, its function, and its potential as treatment against TA. In total, 246 patients who were diagnosed of acute TA participated have completed this clinical trial. They were randomly assigned in either treatment group or control group, in which they were daily administered with curcumin or placebo accordingly for 4 weeks with weekly revisits for data collection...
March 27, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28332072/are-the-autoimmune-inflammatory-syndrome-induced-by-adjuvants-asia-and-the-undifferentiated-connective-tissue-disease-uctd-related-to-each-other-a-case-control-study-of-environmental-exposures
#8
F Scanzi, L Andreoli, M Martinelli, M Taraborelli, I Cavazzana, N Carabellese, R Ottaviani, F Allegri, F Franceschini, N Agmon-Levin, Y Shoenfeld, Angela Tincani
The autoimmune/inflammatory syndrome induced by adjuvants (ASIA) is an entity that includes different autoimmune conditions observed after exposure to an adjuvant. Patients with undifferentiated connective tissue disease (UCTD) present many signs and symptoms of ASIA, alluding to the idea that an exposure to adjuvants can be a trigger also for UCTD. The aim of this case-control study was to investigate exposure to adjuvants prior to disease onset in patients affected by UCTD. Ninety-two UCTD patients and 92 age- and sex-matched controls with no malignancy, chronic infections, autoimmune disease nor family history of autoimmune diseases were investigated for exposure to adjuvants...
March 22, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28324219/prolactin-and-systemic-lupus-erythematosus
#9
LETTER
Beuy Joob, Viroj Wiwanitkit
No abstract text is available yet for this article.
March 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28303447/editorial-cutting-edge-in-systemic-lupus-erythematosus
#10
David P D'Cruz, Annegret Kuhn
No abstract text is available yet for this article.
March 16, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28286920/blockade-of-notch-signaling-promotes-acetaminophen-induced-liver-injury
#11
Longfeng Jiang, Michael Ke, Shi Yue, Wen Xiao, Youde Yan, Xiaozhao Deng, Qi-Long Ying, Jun Li, Bibo Ke
Liver injury after experimental acetaminophen treatment is mediated both by direct hepatocyte injury through a P450-generated toxic metabolite and indirectly by activated liver Kupffer cells and neutrophils. This study was designed to investigate the role of Notch signaling in the regulation of innate immune responses in acetaminophen (APAP)-induced liver injury. Using a mouse model of APAP-induced liver injury, wild-type (WT) and toll-like receptor 4 knockout (TLR4 KO) mice were injected intraperitoneally with APAP or PBS...
March 13, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28285414/a-population-association-study-of-vitamin-d-receptor-gene-polymorphisms-and-haplotypes-with-the-risk-of-systemic-lupus-erythematosus-in-a-chinese-population
#12
Xu-E Chen, Pu Chen, Shan-Shan Chen, Jin Lu, Ting Ma, Guang Shi, Ya Zhou, Ji Li, Liang Sheng
The aim of the study is to investigate the association of vitamin D receptor (VDR) gene polymorphism, additional gene-gene interaction, and haplotype combination with systemic lupus erythematosus (SLE) risk. Pairwise linkage disequilibrium (LD) analysis was conducted using SNPstats. The association between four SNPs within VDR gene and SLE risk was investigated by logistic regression. Generalized multifactor dimensionality reduction (GMDR) was used to analyze the interaction among four SNPs. Four SNPs within VDR gene were selected for genotyping in this study, including rs2228570, rs1544410, rs7975232, and rs731236...
March 11, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28258348/neutralization-of-nerve-growth-factor-ngf-inhibits-the-th2-response-and-protects-against-the-respiratory-syncytial-virus-rsv-infection
#13
Xiaorong Wu, Xiong Zhou, Yuxiang Hu, Chao Liu, Jun Wang
Increasing evidence suggests that respiratory syncytial virus (RSV) infection during the early life is an important risk factor for the development of asthma. RSV infection is associated with neurogenic inflammation in the airways along with the increased expression of nerve growth factor (NGF). However, the role of NGF in RSV infection is not clear. In this study, we infected the rat with RSV and treated these animals with anti-NGF neutralization antibody. We found that anti-NGF treatment significantly alleviated the lung inflammation as evidenced by decreased inflammatory infiltration and decreased airway resistance...
March 3, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28233089/the-microbiome-and-systemic-lupus-erythematosus
#14
Nurit Katz-Agranov, Gisele Zandman-Goddard
The microbiota, which is comprised of the collective of all microbes inhabiting the gut and its effect on the human host in which it resides, has become a growing field of interest. Various parameters of health and disease have been found to be associated with the variation in the human gut microbiome. In recent years, many studies have demonstrated an important role of gut microbes in the development of various illnesses including autoimmune diseases, such as type 1 diabetes, rheumatoid arthritis, and multiple sclerosis...
February 23, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28229285/topics-on-vitamin-d-in-systemic-lupus-erythematosus-analysis-of-evidence-and-critical-literature-review
#15
António Marinho, Mariana Taveira, Carlos Vasconcelos
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease with multiorgan inflammation, linked to the loss of immune tolerance to self-antigens and the production of a diversity of autoantibodies. The phenotype and progression of SLE have been linked to a combination of environmental, genetic, and hormonal factors. One such environmental factor is vitamin D, a vital hormone with well-established effects on mineral metabolism, skeletal health, and effects on cardiovascular system. The purpose of this article is to make the analysis of evidence and literature review of the pleomorphic effects of Vitamin D in SLE...
February 22, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28224362/analysis-of-foxp3-regulatory-t-cell-subpopulations-in-peripheral-blood-and-tissue-of-patients-with-systemic-lupus-erythematosus
#16
Angelika Schmidt, Cosima C Rieger, Ram Kumar Venigalla, Szabolcs Éliás, Regina Max, Hanns-Martin Lorenz, Hermann-Josef Gröne, Peter H Krammer, Annegret Kuhn
Regulatory T cells (Tregs) are critical mediators of immune tolerance, yet their involvement in the autoimmune disease systemic lupus erythematosus (SLE) is incompletely understood. We analyzed CD4(+) T cell subpopulations with Treg-related phenotypes and their association with disease activity in peripheral blood (PB) and tissues of patients with SLE. In detail, we quantified subpopulations regarding CD25, FOXP3, CD62L, CCR6, CD27, CD45RA, and CD45RO expression in PB from 31 patients with SLE divided into two disease activity groups and 32 healthy controls using flow cytometry...
February 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28224361/modeling-strategy-to-identify-patients-with-primary-immunodeficiency-utilizing-risk-management-and-outcome-measurement
#17
Vicki Modell, Jessica Quinn, Grant Ginsberg, Ron Gladue, Jordan Orange, Fred Modell
This study seeks to generate analytic insights into risk management and probability of an identifiable primary immunodeficiency defect. The Jeffrey Modell Centers Network database, Jeffrey Modell Foundation's 10 Warning Signs, the 4 Stages of Testing Algorithm, physician-reported clinical outcomes, programs of physician education and public awareness, the SPIRIT® Analyzer, and newborn screening, taken together, generates P values of less than 0.05%. This indicates that the data results do not occur by chance, and that there is a better than 95% probability that the data are valid...
February 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28215033/anti-mutated-citrullinated-vimentin-antibodies-in-antiphospholipid-syndrome-diagnostic-value-and-relationship-with-clinical-features
#18
Cristiano Alessandri, Nancy Agmon-Levin, Fabrizio Conti, Carlo Perricone, Elena Ortona, Monica Pendolino, Antonella Capozzi, Federica Delunardo, Riccardo Mancini, Simona Truglia, Francesca Romana Spinelli, Fulvia Ceccarelli, Maurizio Sorice, Yehuda Shoenfeld, Guido Valesini
Antiphospholipid antibodies (aPLs) are a heterogeneous group of autoantibodies essential for the diagnosis of antiphospholipid syndrome (APS) but do not predict clinical manifestations or disease progression. Hence, the co-presence of other antibodies may prove useful. Autoimmunity directed toward vimentin and other citrullinated peptides was established in rheumatoid arthritis (RA) and in other autoimmune conditions including systemic lupus erythematosus (SLE). We have previously described the presence of autoantibodies directed against vimentin/cardiolipin complex in patients with antiphospholipid syndrome (APS), but there are no data on the role of citrullinated vimentin in APS...
February 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28215032/nlrp3-inflammasome-activation-regulated-by-nf-%C3%AE%C2%BAb-and-dapk-contributed-to-paraquat-induced-acute-kidney-injury
#19
Zhenning Liu, Xiaokai Wang, Yu Wang, Min Zhao
Paraquat can result in dysfunction of multiple organs after ingestion in human. However, the mechanisms of nucleotide-binding domain and leucine-rich repeat containing protein 3 (NLRP3) inflammasome activation in acute kidney injury have not been clearly demonstrated. The aim of this study was to determine the effect of NLRP3 inflammasome activation and its regulation by nuclear factor-kappa B (NF-κB) and death-associated protein kinase (DAPK). Male Wistar rats were treated with intraperitoneal injection of paraquat at 20 mg/kg, and NF-κB inhibitor BAY 11-7082 was pretreated at 10 mg/kg 1 h before paraquat exposure...
February 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28191593/learning-from-a-contemporary-history-of-immunology
#20
REVIEW
Melvin Cohn
This essay is a selected aspect of the history of contemporary immunology seen from a "what can we learn" point of view. It is limited to the ideas and experiments from which we might draw a take-home message. The emphasis is on the convoluted pathway that was actually used by immunologists to arrive at understanding compared to the direct pathway that could have been used given the knowledge at that time. It takes the reader through the instructionist era of the 1940s to the present by stressing the elements of thinking most conducive to the arrival at a default understanding of the intact immune system...
February 13, 2017: Immunologic Research
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