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Translational immunology

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https://www.readbyqxmd.com/read/28546858/quality-indicators-for-the-acute-and-long-term-management-of-anaphylaxis-a-systematic-review
#1
REVIEW
Sangeeta Dhami, Aadam Sheikh, Antonella Muraro, Graham Roberts, Susanne Halken, Monserat Fernandez Rivas, Margitta Worm, Aziz Sheikh
BACKGROUND: The quality of acute and long-term anaphylaxis management is variable and this contributes to the poor outcomes experienced by many patients. Clinical practice guidelines have the potential to improve outcomes, but implementing guideline recommendations in routine practice is challenging. Quality indicators have the potential to support guideline implementation efforts. OBJECTIVE: To identify quality indicators to support the acute and long-term management of anaphylaxis...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28543438/humanized-mice-a-brief-overview-on-their-diverse-applications-in-biomedical-research
#2
REVIEW
Shigeyoshi Fujiwara
Model animals naturally differ from humans in various respects and results from the former are not directly translatable to the latter. One approach to address this issue is humanized mice that are defined as mice engrafted with functional human cells or tissues. In humanized mice, we can investigate the development and function of human cells or tissues (including their products encoded by human genes) in the in vivo context of a small animal. As such, humanized mouse models have played important roles that cannot be substituted by other animal models in various areas of biomedical research...
May 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28523136/phenotypic-presentation-of-chronic-cough-in-children
#3
EDITORIAL
Ahmad Kantar
Chronic cough in children is increasingly defined as a cough that lasts more than four weeks. It is recognized as a different entity than cough in adults. As a result, the diagnostic approach and management of chronic cough in children are no longer extrapolated from adult guidelines. These differences are attributed to the various characteristics of the respiratory tract, immunological system and nervous system in children. Specific paediatric guidelines and algorithms for chronic cough are now widely applied...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28512093/population-genomic-analysis-of-1-777-extended-spectrum-beta-lactamase-producing-klebsiella-pneumoniae-isolates-houston-texas-unexpected-abundance-of-clonal-group-307
#4
S Wesley Long, Randall J Olsen, Todd N Eagar, Stephen B Beres, Picheng Zhao, James J Davis, Thomas Brettin, Fangfang Xia, James M Musser
Klebsiella pneumoniae is a major human pathogen responsible for high morbidity and mortality rates. The emergence and spread of strains resistant to multiple antimicrobial agents and documented large nosocomial outbreaks are especially concerning. To develop new therapeutic strategies for K. pneumoniae, it is imperative to understand the population genomic structure of strains causing human infections. To address this knowledge gap, we sequenced the genomes of 1,777 extended-spectrum beta-lactamase-producing K...
May 16, 2017: MBio
https://www.readbyqxmd.com/read/28507802/b-cells-and-the-humoral-response-in-melanoma-the-overlooked-players-of-the-tumor-microenvironment
#5
REVIEW
Giulia Chiaruttini, Silvia Mele, James Opzoomer, Silvia Crescioli, Kristina M Ilieva, Katie E Lacy, Sophia N Karagiannis
Evidence of tumor-resident mature B cell and antibody compartments and reports of associations with favorable prognosis in malignant melanoma suggest that humoral immunity could participate in antitumor defense. Likely striving to confer immunological protection while being subjected to tumor-promoting immune tolerance, B cells may engender multiple functions, including antigen processing and presentation, cytokine-mediated signaling, antibody class switching, expression and secretion. We review key evidence in support of multifaceted immunological mechanisms by which B cells may counter or contribute to malignant melanoma, and we discuss their potential translational implications...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28497916/emerging-endotypes-of-chronic-rhinosinusitis-and-its-application-to-precision-medicine
#6
REVIEW
Dae Woo Kim, Seong H Cho
Chronic rhinosinusitis (CRS) is a heterogeneous inflammatory disease with various underlying pathophysiologic mechanisms which translate to endotypes, in contrast to clinical phenotypes or histological subtypes. Defining endotypes can help clinicians predict disease prognosis, select subjects suitable for a specific therapy, and assess risks for comorbid conditions, including asthma. Therefore, with recent advancement of biologicals in CRS clinical trials, endotyping can be a breakthrough in treating recalcitrant CRS...
July 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28472424/ven-120-a-recombinant-human-lactoferrin-promotes-a-regulatory-t-cell-treg-phenotype-and-drives-resolution-of-inflammation-in-distinct-murine-models-of-inflammatory-bowel-disease
#7
Christopher F MacManus, Colm B Collins, Tom T Nguyen, Randall W Alfano, Paul Jedlicka, Edwin F de Zoeten
Background and Aims: Inflammatory bowel disease (IBD) is characterized by a disruption of immune homeostasis, which is tightly regulated to protect against harmful pathogens yet not react to commensal antigens. Animal studies indicate that regulatory T cells (Treg) modulate the immune response to prevent IBD development. Lactoferrin (LF), is an endogenous anti-inflammatory pleiotropic protein secreted at high concentrations in colostrum and at mucosal sites. However, the effect of LF on specific T lymphocyte populations has not been studied...
May 2, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28465079/structural-and-functional-integrity-of-human-serum-albumin-analytical-approaches-and-clinical-relevance-in-patients-with-liver-cirrhosis
#8
Marina Naldi, Maurizio Baldassarre, Marco Domenicali, Manuela Bartolini, Paolo Caraceni
Human serum albumin (HSA) is the most abundant circulating plasma protein. Besides a significant contribution to the osmotic pressure, it is also involved in the fine regulation of many other physiological processes, including the balance of the redox state, the inflammatory and/or immunological responses, and the pharmacokinetic and pharmacodynamics of many drugs. Growing evidence suggests that HSA undergoes structural and functional damage in diseases characterized by an enhanced systemic inflammatory response and oxidative stress, as it occurs in chronic liver disease...
April 18, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28456379/chimeric-antigen-receptors-a-cell-and-gene-therapy-perspective
#9
REVIEW
Isabelle Rivière, Michel Sadelain
Chimeric antigen receptors (CARs) are synthetic receptors that reprogram T lymphocytes to target chosen antigens. The targeting of CD19, a cell surface molecule expressed in the vast majority of leukemias and lymphomas, has been successfully translated in the clinic, earning CAR therapy a special distinction in the selection of "cancer immunotherapy" by Science as the breakthrough of the year in 2013. CD19 CAR therapy is predicated on advances in genetic engineering, T cell biology, tumor immunology, synthetic biology, target identification, cell manufacturing sciences, and regulatory compliance-the central tenets of CAR therapy...
May 3, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28447409/factor-viii-inhibitors-advances-in-basic-and-translational-science
#10
REVIEW
J D Lai, D Lillicrap
In the treatment of hemophilia A, the 20%-30% risk of developing of anti-factor VIII (FVIII) antibodies, or inhibitors, is the dominant concern among healthcare providers. Immune tolerance induction remains the only effective method of eradicating inhibitors in approximately 75% of patients, but is accompanied by significant emotional and economical burden. While certain risk factors, such as the type of FVIII mutation, offer some insight, there remains no strategy to confidently predict the development of an inhibitor...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28443634/a-unifying-mathematical-framework-for-experimental-tcr-pmhc-kinetic-constants
#11
Jose Faro, Mario Castro, Carmen Molina-París
Receptor binding and triggering are central in Immunology as T cells activated through their T cell receptors (TCR) by protein antigens orchestrate immune responses. In order to understand receptor-ligand interactions, many groups working with different experimental techniques and assays have generated a vast body of knowledge during the last decades. However, in recent years a type of assays, referred to as two-dimensional or membrane-to-membrane, has questioned our current understanding of the role of different kinetic constants (for instance, on- versus off-rate constants) on TCR-ligand interaction and subsequent T cell activation...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28443609/the-hiv-1-viral-synapse-signals-human-foreskin-keratinocytes-to-secrete-thymic-stromal-lymphopoietin-facilitating-hiv-1-foreskin-entry
#12
Z Zhou, L Xu, A Sennepin, C Federici, Y Ganor, D Tudor, D Damotte, N Barry Delongchamps, M Zerbib, M Bomsel
The complexity of signal transduction resulting from the contact of human immunodeficiency virus type 1 (HIV-1)-infected cells and mucosal cells has hampered our comprehension of HIV-1 mucosal entry. Such process is driven efficiently only by viral synapse contacts, whereas cell-free HIV-1 remains poorly infectious. Using CD4(+) T-cells expressing only HIV-1 envelope inoculated on human adult foreskin tissues, we designed methodologies to identify the signals transduced in foreskin keratinocytes following HIV-1-envelope-dependent viral synapse formation...
April 26, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28434256/a-bioinformatics-roadmap-for-the-human-vaccines-project
#13
Richard H Scheuermann, Robert S Sinkovits, Theodore Schenkelberg, Wayne C Koff
Biomedical research has become a data intensive science in which high throughput experimentation is producing comprehensive data about biological systems at an ever-increasing pace. The Human Vaccines Project is a new public-private partnership, with the goal of accelerating development of improved vaccines and immunotherapies for global infectious diseases and cancers by decoding the human immune system. To achieve its mission, the Project is developing a Bioinformatics Hub as an open-source, multidisciplinary effort with the overarching goal of providing an enabling infrastructure to support the data processing, analysis and knowledge extraction procedures required to translate high throughput, high complexity human immunology research data into biomedical knowledge, to determine the core principles driving specific and durable protective immune responses...
May 9, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28428832/a-meta-analysis-testing-eusocial-co-option-theories-in-termite-gut-physiology-and-symbiosis
#14
Michael E Scharf, Yunpeng Cai, Yijun Sun, Ruchira Sen, Rhitoban Raychoudhury, Drion G Boucias
The termite gut accomplishes key physiologic functions that underlie termite symbiosis and sociality. However, potential candidate functions of the host-symbiont holobiome have not yet been explored across seemingly divergent processes such as digestion, immunity, caste differentiation, and xenobiotic tolerance. This study took a meta-analysis approach for concurrently studying host and symbiont gut metatranscriptome responses of the lower termite Reticulitermes flavipes, which has ancestral characteristics and hosts a diverse mix of eukaryotic and bacterial symbionts...
2017: Communicative & Integrative Biology
https://www.readbyqxmd.com/read/28422941/metabolism-related-micrornas-in-maternal-breast-milk-are-influenced-by-premature-delivery
#15
Molly C Carney, Andrij Tarasiuk, Susan L DiAngelo, Patricia Silveyra, Abigail Podany, Leann L Birch, Ian M Paul, Shannon Kelleher, Steven D Hicks
BACKGROUND: Maternal breast milk (MBM) is enriched in microRNAs, factors that regulate protein translation throughout the human body. MBM from mothers of term and preterm infants differ in nutrient, hormone, and bioactive-factor composition, but the microRNA differences between these groups have not been compared. We hypothesized that gestational age at delivery influences microRNA in MBM, particularly microRNAs involved in immunologic and metabolic regulation. METHODS: MBM from mothers of premature infants (pMBM) obtained 3-4 weeks post-delivery was compared with MBM from mothers of term infants obtained at birth (tColostrum) and 3-4 weeks post-delivery (tMBM)...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28414183/nkg2d-a-versatile-player-in-the-immune-system
#16
REVIEW
Vedrana Jelenčić, Maja Lenartić, Felix M Wensveen, Bojan Polić
NKG2D is known as a potent activating receptor of the immune system. It is expressed on a multitude of immune cells, including NK cells and different subsets of T cells. NKG2D recognizes various MHC I-like ligands that are induced on target cells exposed to stressors such as viral infection, DNA damage and oncological transformation. NKG2D drives or facilitates cytotoxic and cytokine responses towards cells expressing its ligands to eliminate the threat. Therefore, NKG2D is usually classified as a sensor that translates cellular stress into activation signals for immune cells...
April 13, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28406322/mass-spectrometry-based-proteomic-exploration-of-the-human-immune-system-focus-on-the-inflammasome-global-protein-secretion-and-t-cells
#17
Tuula A Nyman, Martina B Lorey, Wojciech Cypryk, Sampsa Matikainen
The immune system is our defense system against microbial infections and tissue injury, and understanding how it works in detail is essential for developing drugs for different diseases. Mass spectrometry-based proteomics can provide in-depth information on the molecular mechanisms involved in immune responses. Areas covered: Summarized are the key immunology findings obtained with MS-based proteomics in the past five years, with a focus on inflammasome activation, global protein secretion, mucosal immunology, immunopeptidome and T cells...
May 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28401932/inflammasomes-and-intestinal-inflammation
#18
REVIEW
N Zmora, M Levy, M Pevsner-Fischer, E Elinav
The inflammasome is a cytosolic multi-protein innate immune rheostat, sensing a variety of endogenous and environmental stimuli, and regulating homeostasis or damage control. In the gastrointestinal tract, inflammasomes orchestrate immune tolerance to microbial and potentially food-related signals or drive the initiation of inflammatory responses to invading pathogens. When inadequately regulated, intestinal inflammasome activation leads to a perpetuated inflammatory response leading to immune pathology and tissue damage...
April 12, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28395110/murine-models-of-transplantation-tolerance-through-mixed-chimerism-advances-and-roadblocks
#19
REVIEW
B Mahr, T Wekerle
Organ transplantation is the treatment of choice for patients with end-stage organ failure, but chronic immunosuppression is taking its toll in terms of morbidity and poor efficacy in preventing late graft loss. Therefore, a drug-free state would be desirable where the recipient permanently accepts a donor organ while remaining otherwise fully immunologically competent. Mouse studies unveiled mixed chimerism as an effective approach to induce such donor-specific tolerance deliberately and laid the foundation for a series of clinical pilot trials...
April 10, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28393925/emil-von-behring-translational-medicine-at-the-dawn-of-immunology
#20
Stefan H E Kaufmann
On 31st March 1917, Emil von Behring passed away. Why is this event so important for immunologists a century later?
June 2017: Nature Reviews. Immunology
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