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https://www.readbyqxmd.com/read/28432833/cellular-and-humoral-immunity-after-vaccination-or-natural-infection-of-mumps
#1
Kihei Terada, Kimiko Hagihara, Tomohiro Oishi, Ippei Miyata, Hiroto Akaike, Satoko Ogita, Naoki Ohno, Kazunobu Ouchi
OBJECTIVE: This study measured cell-mediated immunity (CMI) and serum antibody levels to clarify the basis of breakthrough after vaccination and reinfection after mumps. METHODS: From a pool of 54 college students, 17 seronegative subjects and 14 subjects with intermediate levels of antibodies against mumps were vaccinated with a monovalent mumps vaccine and CMI was assessed using an interferon-γ release assay. RESULTS: CMI positivity in subjects classified by pre-existing antibody levels, which gave groups with titers of <2...
April 22, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28432664/human-perinatal-immunity-in-physiological-conditions-and-during-infection
#2
REVIEW
Gijs T J van Well, Leonie A Daalderop, Tim Wolfs, Boris W Kramer
The intrauterine environment was long considered sterile. However, several infectious threats are already present during fetal life. This review focuses on the postnatal immunological consequences of prenatal exposure to microorganisms and related inflammatory stimuli. Both the innate and adaptive immune systems of the fetus and neonate are immature, which makes them highly susceptible to infections. There is good evidence that prenatal infections are a primary cause of preterm births. Additionally, the association between antenatal inflammation and adverse neonatal outcomes has been well established...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#3
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432603/immunoprophylaxis-of-multi-antigen-peptide-map-vaccine-for-human-lymphatic-filariasis
#4
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/28432597/t-regulatory-cells-in-bone-remodelling
#5
REVIEW
Aline Bozec, Mario M Zaiss
PURPOSE OF THE REVIEW: In this review, we present the role of regulatory T (Treg) cells in bone remodelling and bone-related disease such as osteoporosis or inflammatory bone loss. We also discuss the cellular and molecular mechanism how Treg cells regulate osteoclastogenesis. RECENT FINDINGS: Treg cells could regulate osteoclastogenesis by secreting TGF-β and IL-10 as well as IL-4 cytokines. Moreover, Treg cells can additionally regulate osteoclast differentiation, in a cell-to-cell contact via the cytotoxic T lymphocyte antigen (CTLA-4)...
April 21, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28432476/immunological-mechanisms-of-adsorptive-cytapheresis-in-inflammatory-bowel-disease
#6
REVIEW
Esteban Sáez-González, Inés Moret, Diego Alvarez-Sotomayor, Francia Carolina Díaz-Jaime, Elena Cerrillo, Marisa Iborra, Pilar Nos, Belén Beltrán
Ulcerative colitis and Crohn's disease are the two main forms of inflammatory bowel disease (IBD). The study of immunological pathways involved in the onset of IBD is of fundamental importance to identify potential biological markers of disease activity and specific targets for therapy. Removing excess and activated circulating leukocytes with adsorptive cytapheresis has been shown to be a potentially effective treatment for patients with an inflamed bowel. Adsorptive cytapheresis is a non-pharmacological approach for active IBD, in which known sources of inflammatory cytokines such as activated myeloid lineage leucocytes are selectively depleted from the circulatory system...
April 21, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28432397/downregulation-of-neuropilin-1-on-macrophages-modulates-antibody-mediated-tumoricidal-activity
#7
Kosuke Kawaguchi, Eiji Suzuki, Mariko Nishie, Isao Kii, Tatsuki R Kataoka, Masahiro Hirata, Masashi Inoue, Fengling Pu, Keiko Iwaisako, Moe Tsuda, Ayane Yamaguchi, Hironori Haga, Masatoshi Hagiwara, Masakazu Toi
Neuropilin-1 (NRP-1)-expressing macrophages are engaged in antitumor immune functions via various mechanisms. In this study, we investigated the role of NRP-1 on macrophages in antibody-mediated tumoricidal activity. Treatment of macrophages with NRP-1 knockdown or an anti-NRP-1-neutralizing antibody significantly suppressed antibody-dependent cellular cytotoxicity and modulated cytokine secretion from macrophages in vitro. Furthermore, in vivo studies using a humanized mouse model bearing human epidermal growth factor receptor-2 (HER2)-positive breast cancer xenografts showed that antibody-mediated antitumor activity and tumor infiltration of CD4(+) T lymphocytes were significantly downregulated when peripheral blood mononuclear cells in which NRP-1 was knocked down were co-administered with an anti-HER2 antibody...
April 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28432285/nod1-modulates-il-10-signalling-in-human-dendritic-cells
#8
Theresa Neuper, Kornelia Ellwanger, Harald Schwarz, Thomas A Kufer, Albert Duschl, Jutta Horejs-Hoeck
NOD1 belongs to the family of NOD-like receptors, which is a group of well-characterised, cytosolic pattern-recognition receptors. The best-studied function of NOD-like receptors is their role in generating immediate pro-inflammatory and antimicrobial responses by detecting specific bacterial peptidoglycans or by responding to cellular stress and danger-associated molecules. The present study describes a regulatory, peptidoglycan-independent function of NOD1 in anti-inflammatory immune responses. We report that, in human dendritic cells, NOD1 balances IL-10-induced STAT1 and STAT3 activation by a SOCS2-dependent mechanism, thereby suppressing the tolerogenic dendritic cell phenotype...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431895/hemolymph-proteins-of-anopheles-gambiae-larvae-infected-by-escherichia-coli
#9
Xuesong He, Xiaolong Cao, Yan He, Krishna Bhattarai, Janet Rogers, Steve Hartson, Haobo Jiang
Anopheles gambiae is a major vector of human malaria and its immune system in part determines the fate of ingested parasites. Proteins, hemocytes and fat body in hemolymph are critical components of this system, mediating both humoral and cellular defenses. Here we assessed differences in the hemolymph proteomes of water- and E. coli-pricked mosquito larvae by a gel-LC-MS approach. Among the 1756 proteins identified, 603 contained a signal peptide but accounted for two-third of the total protein amount on the quantitative basis...
April 18, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28431764/seasonal-monitoring-of-blue-mussel-mytilus-spp-populations-in-a-harbor-area-a-focus-on-responses-to-environmental-factors-and-chronic-contamination
#10
C Lacroix, E Duvieilbourg, N Guillou, J Guyomarch, C Bassoulet, D Moraga, G Chapalain, M Auffret
Coastal waters corresponding to macrotidal systems are among the most variable marine biotopes. Sessile animals as bivalve mollusks may however be found forming intertidal beds at high densities, as allowed by full adaptation to local conditions. A better knowledge of adaptive responses to environmental factors is required to foresee possible adverse effects of global change. At the sub-cellular level, transcriptional responses are among the earliest signals of environmental disturbances and they can reveal subtle and meaningful changes in organism exposed to stress...
April 12, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28431620/role-of-inflammatory-molecules-in-the-alzheimer-s-disease-progression-and-diagnosis
#11
REVIEW
Eva Bagyinszky, Vo Van Giau, Kyuhwan Shim, Kyoungho Suk, Seong Soo A An, SangYun Kim
Alzheimer's disease (AD) is a complex disorder and the most common form of neurodegenerative dementia. Several genetic, environmental, and physiological factors, including inflammations and metabolic influences, are involved in the progression of AD. Inflammations are composed of complicated networks of many chemokines and cytokines with diverse cells. Inflammatory molecules are needed for the protection against pathogens, and maintaining their balances is important for normal physiological function. Recent studies demonstrated that inflammation may be involved in neurodegenerative dementia...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28430965/nrf2-regulates-the-inflammatory-response-including-heme-oxygenase-1-induction-by-mycoplasma-pneumoniae-lipid-associated-membrane-proteins-in-thp-1-cells
#12
Jihong Hu, Chunyan Chen, Guangli Ou, Xiaoxing You, Tianping Tan, Xinnian Hu, Yihua Zeng, Minjun Yu, Cuiming Zhu
A series of inflammatory responses caused by Mycoplasma pneumoniae largely depend on the lipid-associated membrane proteins (LAMPs). Nuclear factor E2-related factor 2 (Nrf2), a transcription factor, is considered to be a critical modulator of inflammatory responses and cellular redox homeostasis. Monocytes play an important role in the invasion and immunity to resist pathogens. Here, we investigated the role of Nrf2 in the anti-inflammatory response stimulated by LAMPs using the human monocyte cell line THP-1...
April 18, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28430750/elevated-immune-response-among-children-4-years-of-age-with-pronounced-local-adverse-events-after-the-fifth-dtap-vaccination
#13
Saskia van der Lee, Jeanet M Kemmeren, Lia G H de Rond, Kemal Öztürk, Anneke Westerhof, Hester E de Melker, Elisabeth A M Sanders, Guy A M Berbers, Nicoline A T van der Maas, Hans C Rümke, Anne-Marie Buisman
BACKGROUND: In the Netherlands, acellular pertussis vaccines replaced the more reactogenic whole-cell pertussis vaccines. This replacement in the primary immunization schedule of infants coincided with a significant increase in pronounced local adverse events (AEs) in 4 years old children shortly after the administration of a fifth diphtheria, tetanus, acellular pertussis and inactivated polio (DTaP-IPV) vaccine. The objective of this study was to investigate possible differences in vaccine antigen-specific immune responses between children with and without a pronounced local AE after the fifth DTaP-IPV vaccination...
April 19, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28430618/t-2-mycotoxin-toxicological-effects-and-decontamination-strategies
#14
REVIEW
Manish Adhikari, Bhawana Negi, Neha Kaushik, Anupriya Adhikari, Abdulaziz A Al-Khedhairy, Nagendra Kumar Kaushik, Eun Ha Choi
Mycotoxins are highly diverse secondary metabolites produced in nature by a wide variety of fungus which causes food contamination, resulting in mycotoxicosis in animals and humans. In particular, trichothecenes mycotoxin produced by genus fusarium is agriculturally more important worldwide due to the potential health hazards they pose. It is mainly metabolized and eliminated after ingestion, yielding more than 20 metabolites with the hydroxy trichothecenes-2 toxin being the major metabolite. Trichothecene is hazardously intoxicating due to their additional potential to be topically absorbed, and their metabolites affect the gastrointestinal tract, skin, kidney, liver, and immune and hematopoietic progenitor cellular systems...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429788/the-hsp90-chaperone-machinery
#15
REVIEW
Florian H Schopf, Maximilian M Biebl, Johannes Buchner
The heat shock protein 90 (HSP90) chaperone machinery is a key regulator of proteostasis under both physiological and stress conditions in eukaryotic cells. As HSP90 has several hundred protein substrates (or 'clients'), it is involved in many cellular processes beyond protein folding, which include DNA repair, development, the immune response and neurodegenerative disease. A large number of co-chaperones interact with HSP90 and regulate the ATPase-associated conformational changes of the HSP90 dimer that occur during the processing of clients...
April 21, 2017: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/28429491/bringing-the-human-pancreas-into-focus-new-paradigms-for-the-understanding-of-type-1-diabetes
#16
REVIEW
N G Morgan
Type 1 diabetes affects increasingly large numbers of people globally (including at least half a million children under the age of 14 years) and it remains an illness with life-long and often devastating consequences. It is surprising, therefore, that the underlying aetiology of Type 1 diabetes remains poorly understood. This is largely because the cellular and molecular processes leading to the loss of β cells in the pancreas have rarely been studied at, or soon after, the onset of disease. Where such studies have been undertaken, a number of surprises have emerged which serve to challenge conventional wisdom...
April 20, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28429374/immune-response-of-highly-conserved-influenza-a-virus-matrix-1-peptides
#17
Neha Lohia, Manoj Baranwal
Influenza vaccine development is considered to be complicated and challenging. Constantly evolving influenza viruses require continuous global monitoring and reformulation of the vaccine strains. Peptide conserved among different strains and subtypes of influenza A virus are well-thought-out to be attractive targets for development of cross protective influenza vaccine based on cellular response. Three highly conserved (> 90%) matrix 1 peptides ILGFVFTLTVPSERGLQRRRF (PM 1), LIRHENRMVLASTTAKA (PM 2) and LQAYQKRMGVQMQR (PM 3) containing multiple T cell epitopes have been assessed for their immunogenic potential in vitro, subjecting peripheral blood mononuclear cells from healthy volunteers to repetitive stimulation of these chemically synthesised peptides and measuring their interferon (IFN)-γ level and proliferation by ELISA (Enzyme-linked immunosorbent assay) and MTT (3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium bromide) assay, respectively...
April 21, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28428956/physiological-functions-of-the-cellular-prion-protein
#18
REVIEW
Andrew R Castle, Andrew C Gill
The prion protein, PrP(C), is a small, cell-surface glycoprotein notable primarily for its critical role in pathogenesis of the neurodegenerative disorders known as prion diseases. A hallmark of prion diseases is the conversion of PrP(C) into an abnormally folded isoform, which provides a template for further pathogenic conversion of PrP(C), allowing disease to spread from cell to cell and, in some circumstances, to transfer to a new host. In addition to the putative neurotoxicity caused by the misfolded form(s), loss of normal PrP(C) function could be an integral part of the neurodegenerative processes and, consequently, significant research efforts have been directed toward determining the physiological functions of PrP(C)...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28428937/intravenous-immunoglobulin-g-in-women-with-reproductive-failure-the-korean-society-for-reproductive-immunology-practice-guidelines
#19
REVIEW
Nayoung Sung, Ae Ra Han, Chan Woo Park, Dong Wook Park, Joon Cheol Park, Na Young Kim, Kyung Sil Lim, Ji Eun Shin, Chang Woo Joo, Seung Eun Lee, Jae Won Kim, Sung Ki Lee
The task force of the Korean Society for Reproductive Immunology recommends intravenous immunoglobulin G treatment in women with reproductive failure, including recurrent pregnancy loss and/or repeated implantation failure, who show cellular immune factors such as abnormal natural killer cell levels, natural killer cell cytotoxicity, and/or type 1 T helper immunity.
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28428885/the-why-what-and-how-of-the-new-fact-standards-for-immune-effector-cells
#20
EDITORIAL
Marcela V Maus, Sarah Nikiforow
Novel cellular therapies outside of traditional hematopoietic stem cell transplantation or hematopoietic progenitor cell (HPC) therapy are currently under evaluation in clinical trials across the United States and around the world. Several cellular products, e.g., CD19-directed Chimeric Antigen Receptor (CAR) T cells, are poised for FDA approval and thus increased use at a wider range of academic centers within the next year, with the likelihood of dissemination to standard oncology practice once safety is confirmed...
2017: Journal for Immunotherapy of Cancer
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