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Animal Allergy

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https://www.readbyqxmd.com/read/28198584/the-farming-environment-protects-mice-from-allergen-induced-skin-contact-hypersensitivity
#1
Christophe P Frossard, Vladimir Lazarevic, Nadia Gaïa, Stefano Leo, Camille Doras, Walid Habre, Jacques Schrenzel, Danielle Burger, Philippe A Eigenmann
BACKGROUND: Being born and raised in a farm provides a long-lasting protection for allergies. The microbial environment provided by farm animals is crucial to induce this protective effect, although underlying immune mechanisms remain elusive. OBJECTIVE: To establish a mouse model of global exposure to the farming environment and to study immunologic changes linked to protection of allergy. METHODS: Mice colonies were bred in parallel in a farm cowshed and the University animal facility (AF)...
February 15, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28178857/dietary-2-oxoglutarate-prevents-bone-loss-caused-by-neonatal-treatment-with-maximal-dexamethasone-dose
#2
Piotr Dobrowolski, Ewa Tomaszewska, Siemowit Muszyński, Tomasz Blicharski, Stefan G Pierzynowski
Synthetic glucocorticoids (GCs) are widely used in the variety of dosages for treatment of premature infants with chronic lung disease, respiratory distress syndrome, allergies, asthma, and other inflammatory and autoimmune conditions. Yet, adverse effects such as glucocorticoid-induced osteoporosis and growth retardation are recognized. Conversely, 2-oxoglutarate (2-Ox), a precursor of glutamine, glutamate, and collagen amino acids, exerts protective effects on bone development. Our aim was to elucidate the effect of dietary administered 2-Ox on bone loss caused by neonatal treatment with clinically relevant maximal therapeutic dexamethasone (Dex) dose...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28171712/sensitization-to-common-allergens-among-patients-with-allergy-in-major-iranian-cities-a-systemic-review-and-meta-analysis
#3
Mozhgan Moghtaderi, Saeed Hosseini Teshnizi, Shirin Farjadsh
Purpose: Various allergens are implicated in the pathogenesis of allergic diseases in different regions. This study attempted to identify the most common allergens among patients with allergy based on results of skin prick tests in different parts of Iran. Methods: Relevant studies were identified from the Medline database from 2000 to 2016. Six common groups of allergens including animals, cockroaches, foods, fungi, house dust mites and pollen were considered. Subgroup analysis was performed to determine prevalence of each type of allergens...
February 5, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28164844/basic-definitions-and-concepts-organization-of-the-gut-microbiome
#4
REVIEW
Eamonn M M Quigley
New claims are frequently made for a role for the microbiome in a disease or disorder previously considered remote from the gut. The microbiome has been linked to such seemingly unrelated entities as depression, anorexia nervosa, autism, Parkinson disease, allergy, and asthma. Although many of these proposals have been based on animal studies, explorations of the microbiome in human disease continue to proliferate, facilitated by technologies that provide a detailed assessment of the microbial inhabitants of our gastrointestinal tract and their biological activities and metabolic products...
March 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28163859/did-food-allergy-develop-in-the-process-of-animal-evolution
#5
Seyed Hesamedin Nabavizadeh, Sara Sadat Nabavizadeh, Amir Anushiravani
Food allergy is pathophysiologic ally based on stimulation of the immune system at the first exposure, and allergic reactions develop during following exposures. Therefore, memory is the cornerstone of an allergy, as seen in the adaptive immune system. The adaptive immune system was first introduced during evolution in vertebrates, so we can say that invertebrates do not have allergic reactions. We can conclude that food allergy is a complication of animal evolution. Evolution also can cause diseases and complications; therefore, understanding it may help in allergy treatment...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28146323/workshop-report-immunoassay-standardisation-for-universal-influenza-vaccines
#6
Sophia Pavlova, Flavia D'Alessio, Sophie Houard, Edmond J Remarque, Norbert Stockhofe, Othmar G Engelhardt
The development of broadly reactive influenza vaccines raises the need to identify the most appropriate immunoassays that can be used for the evaluation of so-called "universal" influenza vaccines, and to explore a path towards the standardisation of such assays. More than fifty experts from the global influenza vaccine research and development field met to initiate such discussion at a workshop co-organised by EDUFLUVAC consortium, a European Union funded project coordinated by the European Vaccine Initiative, and the National Institutes of Health / National Institute of Allergy and Infectious Diseases, USA...
February 1, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28131442/the-human-gut-microbiome-as-source-of-innovation-for-health-which-physiological-and-therapeutic-outcomes-could-we-expect
#7
Joël Doré, Marie-Christine Multon, Jehan-Michel Béhier
From the moment of birth, each human being builds a microbe-host symbiosis which is key for the preservation of its health and well-being. This personal symbiotic coexistence is the result of progressive enrichments in microorganism diversity through external supplies. This diversity is nowadays massively overthrown by drastic changes related to clinical practice in birth management, environmental exposure, nutrition and healthcare behaviors. The last two generations have been the frame of massive modifications in life and food habits, with people being more and more sedentary, overfed and permeated with drugs and pollutants...
January 3, 2017: Thérapie
https://www.readbyqxmd.com/read/28130148/broad-spectrum-antibiotic-enrofloxacin-modulates-contact-sensitivity-through-gut-microbiota-in-a-murine-model
#8
Anna Strzępa, Monika Majewska-Szczepanik, Francis M Lobo, Li Wen, Marian Szczepanik
BACKGROUND: Medical advances in the field of infection therapy has led to an increasing use of antibiotics, which, apart from eliminating pathogens, also partially eliminate naturally existing commensal bacteria. It has become increasingly clear that less exposure to microbiota early in life may contribute to the observed rise in "immune-mediated" diseases including autoimmunity and allergy. OBJECTIVE: We sought to test whether the change of gut microbiota with the broad spectrum antibiotic enrofloxacin will modulate contact sensitivity (CS) in mice...
January 24, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28105558/immunology-of-bee-venom
#9
REVIEW
Daniel Elieh Ali Komi, Farzaneh Shafaghat, Ricardo D Zwiener
Bee venom is a blend of biochemicals ranging from small peptides and enzymes to biogenic amines. It is capable of triggering severe immunologic reactions owing to its allergenic fraction. Venom components are presented to the T cells by antigen-presenting cells within the skin. These Th2 type T cells then release IL-4 and IL-13 which subsequently direct B cells to class switch to production of IgE. Generating venom-specific IgE and crosslinking FcεR1(s) on the surface of mast cells complete the sensitizing stage in allergic individuals who are most likely to experience severe and even fatal allergic reactions after being stung...
January 20, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28094875/neuroendocrinology-of-mast-cells-challenges-and-controversies
#10
REVIEW
Theoharis C Theoharides
Mast cells (MC) are hemopoietically-derived tissue immune cells that are ubiquitous in the body, including neuroendocrine organs such as the hypothalamus, pineal, pituitary, ovaries, pancreas and uterus where their action is not well understood. Mast cells have historically been associated with allergies because of their rich content of histamine and tryptase, but more recently with regulation of immunity and inflammation due their synthesis and release of numerous cytokines and chemokines. Mast cells are located perivascularly and express numerous receptors for diverse ligands such as allergens, pathogens, neurotransmitters, neuropeptides and hormones including acetylcholine, calcitonin gene-related peptide (CGRP), corticosteroids, corticotropin-releasing hormone (CRH), β-endorphin, epinephrine, 17β-estradiol, gonadotrophins, hemokinin-A (HKA), leptin, melatonin, neurotensin (NT), parathyroid hormone (PTH), substance P (SP) and vasoactive instestinal peptide (VIP)...
January 17, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28080988/medical-mycology-and-fungal-immunology-new-research-perspectives-addressing-a-major-world-health-challenge
#11
REVIEW
Neil A R Gow, Mihai G Netea
Fungi cause more than a billion skin infections, more than 100 million mucosal infections, 10 million serious allergies and more than a million deaths each year. Global mortality owing to fungal infections is greater than for malaria and breast cancer and is equivalent to that owing to tuberculosis (TB) and HIV. These statistics evidence fungal infections as a major threat to human health and a major burden to healthcare budgets worldwide. Those patients who are at greatest risk of life-threatening fungal infections include those who have weakened immunity or have suffered trauma or other predisposing infections such as HIV...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28049206/novel-mechanisms-underlying-the-therapeutic-effect-of-glycomacropeptide-on-allergy-change-in-gut-microbiota-upregulation-of-tgf-%C3%AE-and-inhibition-of-mast-cells
#12
Mariela Jiménez, Daniel Cervantes-García, Yualli Haydee Muñoz, Alejandra García, Luis Miguel Haro, Eva Salinas
BACKGROUND: The prevalence of allergic diseases is globally increasing. We have previously described that glycomacropeptide (GMP), a bioactive milk peptide, has therapeutic value in experimental models of skin hypersensitivity, anaphylaxis, and asthma, as it prevents an excessive T helper type 2 cell immune response. The aim of this study was to analyze the effect of GMP on key elements directly involved in the development or control of allergy, in order to improve the precise knowledge about its mechanism of action...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28038886/current-challenges-in-photoprotection
#13
Henry W Lim, Maria-Ivonne Arellano-Mendoza, Fernando Stengel
Electromagnetic radiation in the ultraviolet, visible, and infrared ranges all produce biologic effects. Ultraviolet filters are the most well-studied photoprotective measure for the adverse effects of ultraviolet radiation. Because of the reported endocrinologic effects of oxybenzone in animal studies, its effects on coral reefs, and its photocontact allergy potential, its use has been minimized in many countries worldwide. New developments in topical antioxidants and oral and subcutaneous agents (eg, Polypodium leucotomos extract, afamelanotide, nicotinamide) with photoprotective and antiphotocarcinogenic properties could potentially provide addition modalities for protection against the effects of visible light and infrared radiation...
December 23, 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28034659/toxins-and-pharmacologically-active-compounds-from-species-of-the-family-bufonidae-amphibia-anura
#14
REVIEW
Candelario Rodríguez, Louise Rollins-Smith, Roberto Ibáñez, Armando A Durant-Archibold, Marcelino Gutiérrez
ETHNOPHARMACOLOGICAL RELEVANCE: Among amphibians, 15 of the 47 species reported to be used in traditional medicines belong to the family Bufonidae, which demonstrates their potential in pharmacological and natural products research. For example, Asian and American tribes use the skin and the parotoid gland secretions of some common toads in the treatment of hemorrhages, bites and stings from venomous animals, skin and stomach disorders, as well as several types of cancers. OVERARCHING OBJECTIVE: In addition to reviewing the occurrence of chemical constituents present in the family Bufonidae, the cytotoxic and biomedical potential of the active compounds produced by different taxa are presented...
December 26, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28029082/probiotics-in-curing-allergic-and-inflammatory-conditions-research-progress-and-futuristic-vision
#15
Kuldeep Dhama, Shyma K Latheef, Ashok Kumar Munjal, Rekha Khandia, Hari Abdul Samad, Hafiz M N Iqbal, Sunil K Joshi
BACKGROUND: Probiotics constitute the viable and beneficial microbes, which offer a dietary means to sustain the balance of gastro-intestinal (GI) microflora. Owing to their multiple health benefits, these have recently gained wide attention among researchers for exploring their potential in safeguarding the health of humans and animals. Probiotics could also modulate host-immune responses, thereby help in counteracting the immunological dysfunctions. Probiotics can inhibit the systemic invasion of pathogens entering through the GI mucosa/ oral cavity and have been found to possess effective prophylactic and therapeutic utilities against various infectious pathogens as well as non-infectious diseases and disorders...
December 26, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/27998193/update-on-dietary-therapy-for-eosinophilic-esophagitis-in-children-and-adults
#16
Javier Molina-Infante, Pedro Luis Gonzalez-Cordero, Angel Arias, Alfredo J Lucendo
Eosinophilic esophagitis (EoE) is a chronic inflammatory esophageal disease triggered predominantly, but not excusively, by food antigens. Elimination diet thus remains the only therapy targeting the cause of the disease. Importantly, EoE is a unique form of non-IgE mediated food allergy, largely dependant upon delayed, cell-mediated hypersensitivity. Areas covered: A comprehensive review of literature to summarize and update the most relevant advances on dietary therapy for pediatric and adult EoE patients is conducted...
February 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27987146/generation-and-evaluation-of-prophylactic-mrna-vaccines-against-allergy
#17
Richard Weiss, Sandra Scheiblhofer, Josef Thalhamer
Due to the worldwide increase in allergies and a limited efficacy of therapeutic interventions, the need for prophylactic vaccination against allergies has been recognized. mRNA and DNA vaccines have demonstrated their high potential for preventing allergic sensitization by inducing an immunological bias that prevents TH2 sensitization. However, only mRNA vaccines fulfill the stringent safety requirements for vaccination of healthy children. In this chapter, we describe the generation of conventional as well as self-replicating mRNA vaccines and methods to test their prophylactic efficacy in animal models...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27981776/lyme-disease-why-the-controversy
#18
M H Beaman
Some Australians have become convinced of the existence of locally acquired Lyme disease (LD). The history of LD, since its recognition in the early 1970s, is reviewed as a model for investigative approaches to unknown syndromes. Australian Management Guidelines for LD include the requirement for diagnostic testing by National Association of Testing Authorities-accredited laboratories using Therapeutic Goods Administration-licensed tests, which result in the efficient diagnosis of LD in overseas travellers...
December 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27959627/humanized-mouse-models-of-clinical-disease
#19
Nicole C Walsh, Laurie L Kenney, Sonal Jangalwe, Ken-Edwin Aryee, Dale L Greiner, Michael A Brehm, Leonard D Shultz
Immunodeficient mice engrafted with functional human cells and tissues, that is, humanized mice, have become increasingly important as small, preclinical animal models for the study of human diseases. Since the description of immunodeficient mice bearing mutations in the IL2 receptor common gamma chain (IL2rg(null)) in the early 2000s, investigators have been able to engraft murine recipients with human hematopoietic stem cells that develop into functional human immune systems. These mice can also be engrafted with human tissues such as islets, liver, skin, and most solid and hematologic cancers...
January 24, 2017: Annual Review of Pathology
https://www.readbyqxmd.com/read/27956908/analysis-of-feline-and-canine-allergen-components-in-patients-sensitized-to-pets
#20
Natalia Ukleja-Sokołowska, Ewa Gawrońska-Ukleja, Magdalena Żbikowska-Gotz, Ewa Socha, Kinga Lis, Łukasz Sokołowski, Andrzej Kuźmiński, Zbigniew Bartuzi
BACKGROUND: Component resolved allergen diagnosis allows for a precise evaluation of the sensitization profiles of patients sensitized to felines and canines. An accurate interpretation of these results allows better insight into the evolution of a given patients sensitizations, and allows for a more precise evaluation of their prognoses. METHODS: 70 patients (42 women and 28 men, aged 18-65, with the average of 35.5) with a positive feline or canine allergy diagnosis were included in the research group...
2016: Allergy, Asthma, and Clinical Immunology
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