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Nature review immunology

Chuan Shi, Fen Wang, Anli Tong, Xiao-Qian Zhang, Hong-Mei Song, Zheng-Yin Liu, Wei Lyu, Yue-Hua Liu, Wei-Bo Xia
BACKGROUND: Common variable immunodeficiency (CVID) with central adrenal insufficiency is a recently defined clinical syndrome caused by mutations in the nuclear factor kappa-B subunit 2 (NFKB2) gene. We present the first case of NFKB2 mutation in Asian population. METHODS AND RESULTS: An 18-year-old Chinese female with adrenocorticotropic hormone (ACTH) deficiency was admitted due to adrenal crisis and pneumonia. She had a history of recurrent respiratory infections since childhood and ectodermal abnormalities were noted during physical examination...
October 2016: Medicine (Baltimore)
Rama Kandasamy, Merryn Voysey, Fiona McQuaid, Karlijn de Nie, Rebecca Ryan, Olivia Orr, Ulrike Uhlig, Charles Sande, Daniel O'Connor, Andrew J Pollard
OBJECTIVE:  To identify and characterise non-specific immunological effects after routine childhood vaccines against BCG, measles, diphtheria, pertussis, and tetanus. DESIGN:  Systematic review of randomised controlled trials, cohort studies, and case-control studies. DATA SOURCES:  Embase, PubMed, Cochrane library, and Trip searched between 1947 and January 2014. Publications submitted by a panel of experts in the specialty were also included...
October 13, 2016: BMJ: British Medical Journal
Pere-Joan Cardona
A major problem with tuberculosis (TB) control is the long duration of drug therapy-both for latent and for active TB. Therapeutic vaccination has been postulated to improve this situation, and to this end there are several candidates already in clinical phases of development. These candidates follow two main designs, namely bacilli-directed therapy based on inactivated -whole or -fragmented bacillus (Mycobacterium w and RUTI) or fusion proteins that integrate non-replicating bacilli -related antigens (H56 vaccine), and host-directed therapy to reduce the tissue destruction...
2016: Frontiers in Microbiology
Ana Brotons-Canto, Nekane Martín-Arbella, Carlos Gamazo, Juan M Irache
Allergic diseases constitute one of the most common causes of chronic illness in developed countries. The main mechanism determining allergy is an imbalance between Th1 and Th2 response towards Th2. Areas covered: This review describes the mechanisms underlying the natural tolerance to food components and the development of an allergic response in sensitized individuals. Furthermore, therapeutic approaches proposed to manage these abnormal immunologic responses food are also presented and discussed. Expert opinion: In the past, management of food allergies has consisted of the education of patients to avoid the ingestion of the culprit food and to initiate the therapy (e...
October 12, 2016: Expert Opinion on Drug Delivery
Arun Tailor, James C Waddington, Xiaoli Meng, B Kevin Park
The covalent binding of drugs (metabolites) to proteins to form drug-protein adducts can have an adverse effect on the body. These adducts are thought to be responsible for idiosyncratic drug reactions including severe drug hypersensitivity reactions. Major advances in proteomics technology have allowed for the identification and quantification of target proteins for certain drugs. Human serum albumin (HSA) and Hb have been identified as accessible targets and potential biomarkers for drug-protein adducts formation, for numerous drugs (metabolites) including β-lactam antibiotics, reactive drug metabolites such as quinone imines (acetaminophen) and acyl glucuronides (diclofenac), and covalent inhibitors (neratinib)...
September 30, 2016: Chemical Research in Toxicology
M Neale Weitzmann, Ighovwerha Ofotokun, Kehmia Titanji, Anjali Sharma, Michael T Yin
Clinical data accumulated over the past two decades attests to a significant decline in bone mineral density (BMD) in patients infected by HIV, which does not remit but may actually intensify with anti-retroviral therapy (ART). Long generally perceived as an aberration without clinical consequences in relatively young HIV-infected cohorts, recent studies have documented marked increases in fracture incidence in HIV-infected men and women over a wide age continuum. Fractures are associated with chronic pain, crippling morbidity, and increased mortality, undermining the gains in quality of life achieved though ART...
September 28, 2016: Current HIV/AIDS Reports
Jeffrey B Kreher
Overtraining syndrome is a condition of maladapted physiology in the setting of excessive exercise without adequate rest. The exact etiology and pathogenesis are unknown and being investigated. Symptoms are multisystem in nature and often representative of underlying hormonal, immunologic, neurologic, and psychologic disturbances. Unfortunately, systematic review of the literature does not clearly direct diagnosis, management, or prevention. However, given the severity of symptoms and impairment to quality of life, prevention of overtraining syndrome should be considered by all who interact with endurance athletes...
2016: Open Access Journal of Sports Medicine
N Torow, B J Marsland, M W Hornef, E S Gollwitzer
Although largely deprived from exogenous stimuli in utero, the mucosal barriers of the neonate after birth are bombarded by environmental, nutritional, and microbial exposures. The microbiome is established concurrently with the developing immune system. The nature and timing of discrete interactions between these two factors underpins the long-term immune characteristics of these organs, and can set an individual on a trajectory towards or away from disease. Microbial exposures in the gastrointestinal and respiratory tracts are some of the key determinants of the overall immune tone at these mucosal barriers and represent a leading target for future intervention strategies...
September 21, 2016: Mucosal Immunology
Michael J Day
It is widely recognized that cats appear to be less frequently affected by arthropod-borne infectious diseases than dogs and share fewer zoonotic pathogens with man. This impression is supported by the relative lack of scientific publications related to feline vector-borne infections. This review explores the possible reasons for the difference between the two most common small companion animal species, including the hypothesis that cats might have a genetically-determined immunological resistance to arthropod vectors or the microparasites they transmit...
2016: Parasites & Vectors
Elena Grebenciucova, Anthony T Reder, Jacqueline T Bernard
BACKGROUND: Fingolimod is a disease-modifying agent used in the treatment of relapsing/remitting multiple sclerosis. In MS clinical studies, the overall rate of infections in fingolimod group was overall similar to placebo, except for slightly more common lower respiratory tract infections and to a lesser extent HSV. Recently, an increasing number of cryptococcal infections associated with a long-term use of this medication have been reported. METHODS: We reviewed literature for cases of cryptococcal infection associated with the use of fingolimod and reported a case at our institution, as well as carefully evaluated the established immune mechanisms of the medication and discussed new insights into its short-term and long-term immunologic effects that may become important in the context of risk of infection...
September 2016: Multiple Sclerosis and related Disorders
Subha Karumuthil-Melethil, Steven J Gray
Globoid cell leukodystrophy (GLD, or Krabbe's disease) is a severe inherited neurodegenerative disease caused by the lack of a lysosomal enzyme, GALC. The disease has been characterized in humans as well as three naturally occurring animal models, murine, canine, and nonhuman primate. Multiple treatment strategies have been explored for GLD, including enzyme replacement therapy, small-molecule pharmacological approaches, gene therapy, and bone marrow transplant. No single therapeutic approach has proved to be entirely effective, and the reason for this is not well understood...
November 2016: Journal of Neuroscience Research
Tiago R Matos, Vaneeta Sheth
The health benefits of natural sunlight have been noted since the rise of civilization, even without the knowledge of its mechanisms of action. Currently, phototherapy remains an effective and widely used treatment for a variety of skin diseases. Ultraviolet radiation, from either the sun or artificial light sources, has a profound immunomodulatory effect that is responsible for its beneficial clinical outcomes. Ultraviolet radiation mostly induces the innate while suppressing the adaptive immune system, leading to both local and systemic effects...
September 2016: Clinics in Dermatology
J C Morales-Medina, T Iannitti, A Freeman, H K Caldwell
In rodents, the removal of the olfactory bulbs (OB), i.e. olfactory bulbectomy (OBX), results in numerous alterations in neurotransmitter, endocrine and immunologic systems, as well as behavioral changes, similar to those observed in depressed patients. Because the behavioral deficits induced in OBX animals are reversed after repeated administration of antidepressants, this is a model often used to test the effectiveness of putative antidepressant agents. Recent evidence suggests that OBX results in the dysfunction of various cellular processes within the hippocampus, including decrease in dentate gyrus neurogenesis, disruption in long term potentiation (LTP) in CA1 and CA3 subregions and neuronal atrophy in the CA1 subregion, along with downstream markers, all of which are consistent with abnormal neuronal activity in the hippocampus of clinically depressed populations...
September 12, 2016: Behavioural Brain Research
Kyle K Payne
The significance of lymphocytes functioning to mediate immunological tolerance has garnered increasing appreciation during the last several decades. CD4+ CD25+ α/ β T cells have arguably been the most extensively studied regulatory lymphocyte to date, perhaps owing to the dramatic phenotype observed mice and humans with mutated Foxp3. However, emerging studies suggest that the lineage of regulatory lymphocytes is quite robust. Most notably, while γδ T cells are more traditionally regarded as mediators of cytotoxic function, they are beginning to be regarded as potential negative regulators of immunity...
September 12, 2016: Immunological Investigations
Lia Ginaldi, Massimo De Martinis
OBJECTIVE: Osteoimmunology investigates interactions between skeleton and immune system. In the light of recent discoveries in this field, a new reading register of osteoporosis is actually emerging, in which bone and immune cells are strictly interconnected. Osteoporosis could therefore be considered a chronic immune mediated disease which shares with other age related disorders a common inflammatory background. Here, we highlight these recent discoveries and the new landscape that is emerging...
September 7, 2016: Current Medicinal Chemistry
Eric K W Wong, Muhammad N Mahmood, Thomas G Salopek
Congenital melanocytic nevi (CMNs) naturally evolve throughout life, growing proportionately with the child, darkening, and exhibiting textural or surface changes (e.g., papillomatous, verrucous, cerebriform), hypertrichosis, and, later in life, lightening of pigmentation. We report the case of a 5-year-old child with complete resolution of a medium-sized CMN involving the distal left leg and foot via sclerosis and in the absence of any halo phenomenon. Spontaneous regression of CMN via sclerosis is rare, and it is thought that an immunologic mechanism different from the mechanism that the halo phenomenon induces mediates this regression...
August 30, 2016: Pediatric Dermatology
Laura Cartechini, Melissa Palmieri, Manuela Vagnini, Lucia Pitzurra
Despite the large diffusion of natural organic substances in art-historical materials, their characterization presents many challenges due to the chemical complexity and instability with respect to degradation processes. Among natural products, proteins have been largely used in the past as binders but also as adhesives or additives in coating layers. Nevertheless, biological identification of proteins in art-historical objects is one of the most recent achievements obtained in heritage science thanks to the development of specifically tailored bio-analytical strategies...
February 2016: Top Curr Chem (J)
Yvonne Zeissig, Britt-Sabina Petersen, Andre Franke, Richard S Blumberg, Sebastian Zeissig
The study of rare phenotypes has a long history in the description of autoimmune disorders. First Mendelian syndromes of idiopathic tissue destruction were defined more than 100 years ago and were later revealed to result from immune-mediated reactivity against self. In the past two decades, continuous advances in sequencing technology and particularly the advent of next-generation sequencing have allowed to define the genetic basis of an ever-growing number of Mendelian forms of autoimmunity. This has provided unique insight into the molecular pathways that govern immunological homeostasis and that are indispensable for the prevention of self-reactive immune-mediated tissue damage and 'horror autotoxicus'...
October 11, 2016: Immunology and Cell Biology
Adam M Sheikh, Heather Yvonne Small, Gemma Currie, Christian Delles
BACKGROUND: Pre-eclampsia (PE) is a complex, multi-systemic condition of pregnancy which greatly impacts maternal and perinatal morbidity and mortality. MicroRNAs (miRs) are differentially expressed in PE and may be important in helping to understand the condition and its pathogenesis. METHODS: Case-control studies investigating expression of miRs in PE were collected through a systematic literature search. Data was extracted and compared from 58 studies to identify the most promising miRs associated with PE pathogenesis and identify areas of methodology which could account for often conflicting results...
2016: PloS One
Jerard Seghatchian, Jean Amiral
Blood cells generate heterogeneous populations of vesicles that are delivered, as small-specialized packages of highly active cell fragments in blood circulation, having almost similar functional activities, as the mother cells. These so called extracellular vesicles are the essential part of an energy-dependent natural apoptotic process; hence their beneficial and harmful biological functions cannot be ignored. Evidence is accumulating, that cellular derived vesicles, originate from all viable cells including: megakaryocytes, platelets, red blood cells, white blood cells and endothelial cells, the highest in proportions from platelets...
August 2016: Transfusion and Apheresis Science
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