6,137 results match your criteria: "Center for Food Allergy and Asthma  Research[Affiliation]"

The prevalence of food allergies in New Zealand infants is uncertain but is believed to be similar to Australia, exceeding 10%. Current recommendations for reducing food allergy risk are to offer all major food allergens to infants from as early as six months of age (start of complementary feeding), and before 12 months of age. However, little is known regarding parental practices around introducing major food allergens.

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Increasing evidence suggests that alterations in the gut microbiome (GM) play a pivotal role in the pathogenesis of pediatric food allergy (FA). This scoping review analyzes the current evidence on GM features associated with pediatric FAs and highlights the importance of the GM as a potential target of intervention for preventing and treating this common condition in the pediatric age. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines, we searched PubMed and Embase using the keywords (gut microbiome OR dysbiosis OR gut microbiota OR microbiome signatures) AND (food allergy OR IgE-mediated food allergy OR food protein-induced allergic proctocolitis OR food protein-induced enterocolitis OR non-IgE food allergy OR cow milk allergy OR hen egg allergy OR peanut allergy OR fish allergy OR shellfish allergy OR tree nut allergy OR soy allergy OR wheat allergy OR rice allergy OR food sensitization).

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  • - Eosinophilic esophagitis (EoE) and allergic rhinitis (AR) are linked through a common type 2 inflammation response, with AR frequently occurring in EoE patients and both being influenced by aeroantigens and seasonal factors.
  • - Current research struggles to establish clear conclusions regarding the relationship between EoE and AR due to study designs that may not adequately account for various external factors, making pollen counts a potentially more reliable indicator of EoE exacerbations.
  • - Allergen immunotherapy's effects on EoE symptoms are still uncertain, with sublingual immunotherapy typically causing exacerbations while subcutaneous immunotherapy may aid in remission; monoclonal antibodies may offer future treatment possibilities
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  • * Researchers created an FA mouse model using ovalbumin and found that intestinal B cells from FA mice produced significantly lower levels of IL-10 compared to control mice, indicating impaired immune function.
  • * The study demonstrated that treatment with CpG could restore IL-10 production in FA B cells by altering the methylation status of a specific promoter, suggesting that CpG may enhance the effectiveness of allergen-specific immunotherapy for food allergies.
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  • * Adrenaline is the primary treatment for anaphylaxis, with autoinjectors becoming standard care, but studies indicate that current autoinjectors may not significantly reduce fatal cases.
  • * There are ongoing discussions about finding alternative methods to deliver a sustained adrenaline infusion reliably, as existing autoinjectors produce brief adrenaline spikes that may not be sufficient for effective treatment.
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  • Precautionary Allergen Labelling (PAL) is used to warn people about possible allergens in food that could affect those with allergies.
  • The World Allergy Organization found that PAL is not consistently regulated, which makes it confusing for people with food allergies.
  • There are discussions among global organizations to create better rules for PAL so that it is clear and helpful for everyone, but there are still some challenges to making these rules work everywhere.
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Formulation of adult food-protein-induced enterocolitis syndrome diagnostic scoring system differentiating from immediate-type food allergy.

Ann Allergy Asthma Immunol

October 2024

Division of Eosinophilic Gastrointestinal Disorders, National Research Institute for Child Health and Development, Tokyo, Japan; Allergy Center, National Center for Child Health and Development, Tokyo, Japan.

Background: Adult food-protein-induced enterocolitis syndrome (FPIES) has recently been recognized, and there are no international diagnostic criteria for this disease. Differentiating adult FPIES from immediate-type food allergy reactions and providing specific treatment for each in an emergency are important, but methods have not been developed.

Objective: To develop a diagnostic scoring system for adult FPIES by comparing it with an immediate-type food allergy (IgE-mediated food allergy [IgE-FA]).

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  • rVSVΔG-ZEBOV-GP is a vaccine that helps protect people from the Ebola virus and is the first one to be officially approved for this purpose.
  • This study wanted to see how well a booster shot given 18 months after the first vaccine dose helped keep the immune response strong for a longer time.
  • Healthy adults who might be at risk of exposure to Ebola participated in the trial, and the results measured their antibody levels 36 months after the first vaccination to compare those who got the booster with those who did not.
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Evaluating Pediatric Macrolide Allergy Using Direct Graded Oral Challenges.

JAMA Pediatr

December 2024

Division of Allergy and Clinical Immunology, Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montréal, Québec, Canada.

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The epithelial barrier theory and its associated diseases.

Allergy

December 2024

Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland.

The prevalence of many chronic noncommunicable diseases has been steadily rising over the past six decades. During this time, over 350,000 new chemical substances have been introduced to the lives of humans. In recent years, the epithelial barrier theory came to light explaining the growing prevalence and exacerbations of these diseases worldwide.

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Cow milk protein allergy (CMPA) is a significant health concern characterized by adverse immune reactions to cow milk proteins. Biomarkers for the accurate diagnosis and prognosis of CMPA are lacking. This study analyzed the clinical features of CMPA, and 16S RNA sequencing was used to investigate potential biomarkers through fecal microbiota profiling.

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  • * Recent efforts to stop smoking haven't been put into action yet, and it’s important to see what could happen if smoking rates stay the same or improve.
  • * Researchers used models to predict health outcomes by 2050 based on different scenarios of smoking rates, showing that cutting smoking could greatly improve health and life expectancy.
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Background: Consumption of raw cow's milk has repeatedly been shown to protect from asthma, allergies, and respiratory infections. As raw milk bears potential health hazards, it cannot be recommended for prevention. Therefore, we performed an intervention study with microbially safe but otherwise minimally processed cow's milk.

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  • * The study found that neutralization responses from human and hamster sera before the Omicron variant were highly correlated, suggesting that hamster sera can effectively substitute for human sera in understanding variant differences.
  • * Although the XBB.1.5 booster led to broad neutralization against XBB sub-lineage variants, a significant decrease in effectiveness was noted against the newer JN.1 variant, indicating the potential need for vaccine updates to improve antibody coverage.
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The dataset presents a 43 year-long reanalysis of pollen seasons for three major allergenic genera of trees in Europe: alder (Alnus), birch (Betula), and olive (Olea). Driven by the meteorological reanalysis ERA5, the atmospheric composition model SILAM predicted the flowering period and calculated the Europe-wide dispersion pattern of pollen for the years 1980-2022. The model applied an extended 4-dimensional variational data assimilation of in-situ observations of aerobiological networks in 34 European countries to reproduce the inter-annual variability and trends of pollen production and distribution.

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  • The study investigates the genetic factors linked to severe COVID-19, specifically focusing on hospitalized cases in admixed Americans.
  • Researchers conducted the largest genome-wide association study (GWAS) for COVID-19 hospitalization in this population, identifying four significant genetic associations, including two novel loci found in Latin Americans.
  • The findings highlight the importance of including diverse populations in genomic research, aiming to improve understanding of genetic risks associated with COVID-19 across different ethnic groups.
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Relevance of gut microbiome research in food safety assessment.

Gut Microbes

October 2024

Department of Bioactivity and Food Analysis, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, CEI (UAM+CSIC), Madrid, Spain.

Article Synopsis
  • The gut microbiome is crucial for our body's functioning, but the effects of non-nutritious food components on it are often ignored.
  • Certain food additives and microplastics may negatively impact the gut microbiome and human health, and understanding the mechanisms behind this is essential.
  • Recommendations include integrating gut microbiome research into food safety assessments to better evaluate the risks of food additives and contaminants.
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Ameliorative Effects of Ginger on Allergic Diseases: An Updated Review.

Mol Nutr Food Res

October 2024

Hepatitis Research Center and Department of Pharmaceutical, Biotechnology, Faculty of Pharmacy, Lorestan University of Medical Sciences, Khorramabad, Iran.

Article Synopsis
  • Allergic diseases stem from the immune system reacting to harmless substances, affecting approximately 22%-30% of the global population.
  • Genetic changes are unlikely causes, leading researchers to identify environmental factors like pollution, diet changes, urbanization, and increased allergens as major contributors.
  • Treatments include avoiding allergens and medications, but recent interest has grown in herbal remedies like ginger, known for its potential to reduce allergic symptoms with fewer side effects.
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  • Chronic inflammatory diseases (CIDs) are increasingly challenging for healthcare, with many patients responding poorly to biological treatments, leading to interest in dietary changes, particularly gluten-free diets.
  • This study explored the effect of gluten intake on the clinical response to biological treatment over 14-16 weeks in 193 CID patients, comparing those with high gluten intake to those with low-to-medium intake.
  • Results showed no significant differences in treatment response or secondary outcomes, indicating that gluten intake does not influence the effectiveness of biological therapy in patients with CIDs.
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The rise in the prevalence of allergic diseases has become a global health burden. Allergic diseases are a group of immune-mediated disorders characterized by IgE-mediated conditions resulting from a type 2 helper T cell (Th2)-skewed immune response. This review aims to comprehensively summarize recent research on the roles of allergen immunotherapy (AIT) and biologics in allergic diseases.

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Allergic incidents of crustacean aquatic products occur frequently, and tropomyosin (TM) is the main allergen. Therefore, it is worthwhile to develop technologies to efficiently reduce the allergenicity of TM. In this study, ultrasound-assisted cold plasma (UCP) treatment was used to regulate shrimp allergy.

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Objectives: To investigate which independent factor(s) have an impact on the pharmacokinetics of vancomycin in critically ill children, develop an equation to predict the 24-hour area under the concentration-time curve from a trough concentration, and evaluate dosing regimens likely to achieve a 24-hour area under the concentration-time curve to minimum inhibitory concentration ratio (AUC24/MIC) greater than or equal to 400.

Design: Prospective population pharmacokinetic study of vancomycin.

Setting: Critically ill patients in quaternary care PICUs.

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Background: Cutaneous leishmaniasis (CL) incidence in Switzerland is rising due to factors like migration and globalization. The aim of this work was to investigate CL frequency in Switzerland and identify clinical and histopathological difficulties in diagnosing CL in a non-endemic country.

Patients And Methods: This retrospective study evaluated the clinical and histopathological characteristics of all CL cases from two dermatopathology laboratories between 2000 and 2022.

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Parental knowledge and attitudes toward food allergies: a cross-sectional study on determinants and educational needs.

BMC Public Health

September 2024

Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839, Palestine.

Background: Food allergy (FA) may often lead to fatal consequences if it is treated promptly. Parents of children with FA should have adequate knowledge to improve health outcomes and reduce the associated burden. This study aimed to examine the knowledge and attitudes regarding FA among parents of children with FA.

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Article Synopsis
  • Scientists studied how certain bacteria affect stomach inflammation in mice, which can be similar to humans.
  • They found that the bacteria caused only a little inflammation but made the stomach produce more helpful substances against infections.
  • When the mice had a food allergy, their stomachs showed a strong immune response, but the bacteria didn’t make this response worse.
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