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https://www.readbyqxmd.com/read/29786876/temporal-and-long-term-gut-microbiota-variation-in-allergic-disease-a-prospective-study-from-infancy-to-school-age
#1
Kotryna Simonyté Sjödin, Marie-Louise Hammarström, Patrik Rydén, Andreas Sjödin, Olle Hernell, Lars Engstrand, Christina E West
BACKGROUND: Compositional changes of the early life gut microbiota have been implicated in IgE-associated allergic disease but there is lack of longitudinal studies. We examined gut microbiota development from infancy to school age in relation to onset of IgE-associated allergic diseases. At 8 years of age, we also examined the relationship between gut microbiota and T-cell regulation, estimated as responses to polyclonal T-cell activation. METHODS: Stool samples were collected from 93 children at 4, 6 and 13 months, and 8 years of age...
May 22, 2018: Allergy
https://www.readbyqxmd.com/read/29786518/evaluation-of-serum-ige-in-peach-allergic-patients-with-systemic-reaction-by-using-recombinant-pru-p-7-gibberellin-regulated-protein
#2
Y Mori, F Okazaki, C Inuo, Y Yamaguchi, S Masuda, S Sugiura, T Fukuie, M Nagao, I Tsuge, T Yosikawa, A Yagami, K Matsunaga, T Fujisawa, K Ito, H Narita, Y Kondo
BACKGROUND: Lipid transfer protein (LTP) is a major fruit allergen. It has, however, recently been revealed that the systemic reaction in peach-allergic patients is related not only to LTP (Pru p 3) but also to gibberellin-regulated protein (Pru p 7). We investigated recombinant Pru p 7 (rPru p 7) for its potential use in worldwide standardization for the diagnosis of peach allergy. METHODS: Natural Pru p 7 (nPru p 7) was purified from peach crude extract using a monoclonal antibody affinity column...
May 18, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29785413/multivariate-analysis-of-inflammatory-endotypes-in-recurrent-nasal-polyposis-in-a-chinese-population
#3
B Wei, F Liu, J Zhang, Y Liu, J Du, S Liu, N Zhang, C Bachert, J Meng
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) remains a challenging clinical problem due to its propensity for recurrence. However, data on the frequency of CRSwNP recurrence after surgery in China are rare. METHODS: 78 CRSwNP patients undergoing functional endoscopic sinus surgery were followed-up for 8 years and classified into recurrent and non-recurrent groups. A cluster analysis of the CRSwNP based on inflammatory endotypes was performed, and the endotypes were secondarily matched with clinical phenotypes...
May 22, 2018: Rhinology
https://www.readbyqxmd.com/read/29784985/chronic-rhinosinusitis-with-nasal-polyps-is-characterized-by-dysbacteriosis-of-the-nasal-microbiota
#4
Thanit Chalermwatanachai, Ramiro Vilchez-Vargas, Gabriele Holtappels, Tim Lacoere, Ruy Jáuregui, Frederiek-Maarten Kerckhof, Dietmar H Pieper, Tom Van de Wiele, Mario Vaneechoutte, Thibaut Van Zele, Claus Bachert
Chronic rhinosinusitis with nasal polyp (CRSwNP) patients are often characterized by asthma comorbidity and a type-2 inflammation of the sinonasal mucosa. The mucosal microbiota has been suggested to be implicated in the persistence of inflammation, but associations have not been well defined. To compare the bacterial communities of healthy subjects with CRSwNP patients, we collected nasal swabs from 17 healthy subjects, 21 CRSwNP patients without asthma (CRSwNP-A), and 20 CRSwNP patients with co-morbid asthma (CRSwNP+A)...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784322/peanut-flour-aggregation-with-polyphenolic-extracts-derived-from-peanut-skin-inhibits-ige-binding-capacity-and-attenuates-rbl-2h3-cells-degranulation-via-mapk-signaling-pathway
#5
Rishipal R Bansode, Nathalie J Plundrich, Priscilla D Randolph, Mary Ann Lila, Leonard L Williams
This study investigates the anti-allergic properties of peanut skin polyphenols (PSP)-enriched peanut (PN) protein aggregates. PSP was blended with PN flour at concentrations of 5, 10, 15, 30, and 40% (w/w). Rat basophil leukemia cells (RBL-2H3) were sensitized with either anti-DNP-IgE or PN-allergic plasma followed by co-exposure to unmodified PN flour (control) or PSP-PN protein aggregates and Ca2+ ionophore, ionomycin. Immunoblotting and staining were performed to measure the IgE binding capacity of PSP-PN aggregates...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29782303/clindamycin-induced-maculopapular-exanthema-with-preferential-involvement-of-striae-distensae-a-koebner-phenomenon
#6
Benigno Monteagudo, Miguel Cabanillas, Pilar Iriarte, Aquilina Ramírez-Santos, Elvira León-Muinos, Daniel González-Vilas, Óscar Suárez-Amor
Clindamycin is a lincomycin-derived antibiotic useful for the treatment of anaerobic and Gram-positive aerobic bacterial infections. Cutaneous adverse reactions are usually maculopapular exanthemas, although hypersensitivity syndrome, acute generalized exanthematous pustulosis, and Stevens-Johnson syndrome have also been reported (1). We report the case of a patient with a maculopapular rash triggered by clindamycin who developed cutaneous lesions on striae distensae (SD). A 47-year-old woman was referred to our clinic for pruritic cutaneous lesions which had started 6 days earlier...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782182/a-specifically-designed-multispecies-probiotic-supplement-relieves-seasonal-allergic-rhinitis-symptoms
#7
Annabelle M Watts, Amanda J Cox, Peter K Smith, Isolde Besseling-van der Vaart, Allan W Cripps, Nicholas P West
BACKGROUND: Probiotics are purported to reduce symptoms of allergic rhinitis. This study sought to determine the proportion of participants with an improvement in the mini Rhinoconjunctivitis Quality of Life Questionnaire (mRQLQ) in response to a multispecies probiotic supplement with a Simon Two-Stage design. METHODS: This study was based on a Simon Two-Stage Design for p1 -p0  = 0.18 to account for seasonal variation in symptoms. Under this design, ≥10 patients are required to exhibit an improvement in quality-of-life scores to determine that there was sufficient activity for the supplement to be considered effective...
May 21, 2018: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29780153/food-specific-iggs-are-highly-increased-in-the-sera-of-patients-with-inflammatory-bowel-disease-and-are-clinically-relevant-to-the-pathogenesis
#8
Nanping Xiao, Fenghua Liu, Guangxi Zhou, Mingming Sun, Fengfu Ai, Zhanju Liu
Objective Dietary antigens are common luminal antigens in the gastrointestinal tract and have been considered to contribute to the pathogenesis of inflammatory bowel disease (IBD). We analyzed the levels of food-specific IgGs against a variety of dietary antigens, explored the clinical relevance of food allergy to the pathogenesis of IBD, and investigated whether or not infliximab (IFX) treatment could regulate the immune responses induced by dietary antigens. Methods A total of 301 IBD patients, including 201 patients with Crohn's disease (CD) and 100 patients with ulcerative colitis (UC), were recruited, and their serum food-specific IgGs against 14 food antigens were detected by a semi-quantitative enzyme linked immunosorbent assay (ELISA)...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29779231/specialist-perioperative-allergy-clinic-services-in-the-uk-2018-results-from-the-royal-college-of-anaesthetists-sixth-national-audit-project-nap6-investigation-of-perioperative-anaphylaxis
#9
W Egner, T M Cook, T Garcez, S Marinho, H Kemp, D N Lucas, K Floss, S Farooque, H Torevell, M Thomas, K Ferguson, S Nasser, S Karanam, K-L Kong, N McGuire, M Bellamy, A Warner, J Hitchman, L Farmer, N J N Harper
BACKGROUND: The Royal College of Anaesthetists 6th National Audit Project examined Grade 3-5 perioperative anaphylaxis for one year in the UK. OBJECTIVE: To describe the causes and investigation of anaphylaxis in the NAP6 cohort, in relation to published guidance and previous baseline survey results. METHODS: We used a secure registry to gather details of Grade 3-5 perioperative anaphylaxis. Anonymous reports were aggregated for analysis and reviewed in detail...
May 19, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29778476/glycation-of-whey-protein-with-dextrans-of-different-molar-mass-effect-on-immunoglobulin-e-binding-capacity-with-blood-sera-obtained-from-patients-with-cow-milk-protein-allergy
#10
Lei Xu, Yuansheng Gong, James E Gern, Shinya Ikeda, John A Lucey
A growing concern around the world is the number of people who are suffering from food protein allergies. One potential approach to decrease protein allergenicity is to block IgE-binding epitopes of the protein allergen by attachment of polysaccharides via the Maillard reaction (i.e., glycation). Protein glycation has been extensively studied to modify various functional properties. We wanted to examine whether glycates could reduce IgE binding in patients with cow milk protein allergy and to explore how the size (molar mass; MW ) of the polysaccharide affects this IgE-binding capacity...
May 16, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29777733/food-allergy-guidance-in-the-united-states-military-a-work-group-report-from-the-aaaai-military-allergy-and-immunology-assembly-maia
#11
Kirk Waibel, Rachel Lee, Christopher Coop, Yun Mendoza, Kevin White
A diagnosis of food allergy adversely impacts one's ability to join or remain in the military. Inadequate knowledge or misconceptions of current military-specific standards regarding food allergy and how these apply to enlistment, induction, and retention in the United States military can potentially lead to inaccurate counseling as each military service has specific regulations which impact the evaluation and decision-making process. Recognizing this knowledge gap, the American Allergy, Asthma, and Immunology (AAAAI) Military Allergy and Immunology Assembly (MAIA) established a Work Group who reviewed and summarized all aspects of military instructions, policies, and regulations regarding IgE mediated food allergy...
May 16, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29777684/repositioning-of-anti-cancer-drug-candidate-azd7762-to-an-anti-allergic-drug-suppressing-ige-mediated-mast-cells-and-allergic-responses-via-the-inhibition-of-lyn-and-fyn
#12
Young Hwan Park, Do Kyun Kim, Hyun Woo Kim, Hyuk Soon Kim, Dajeong Lee, Min Bum Lee, Keun Young Min, Jimo Koo, Su Jeong Kim, Changhee Kang, Young Mi Kim, Hyung Sik Kim, Wahn Soo Choi
Mast cells are critical effector cells in IgE-mediated allergic responses. The aim of this study was to investigate the anti-allergic effects of 3-[(aminocarbonyl)amino]-5-(3-fluorophenyl)-N-(3S)-3-piperidinyl-2-thiophenecarboxamide (AZD7762) in vitro and in vivo. AZD7762 inhibited the antigen-stimulated degranulation from RBL-2H3 (IC50 , ∼ 27.9 nM) and BMMCs (IC50 , ∼ 99.3 nM) in a dose-dependent manner. AZD7762 also inhibited the production of TNF-α and IL-4. As the mechanism of its action, AZD7762 inhibited the activation of Syk and its downstream signaling proteins, such as Linker of activated T cells (LAT), phospholipase (PL) Cγ1, Akt, and mitogen-activated protein (MAP) kinases (Erk1 / 2, p38, and JNK) in mast cells...
May 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29777628/allergy-in-the-elderly-case-note-review
#13
N J Gray, E L Redshaw, D Isaacs, M D Tarzi, H E Smith, A J Frew
The prevalence of IgE-mediated disease increased significantly during the 20th century. In developed countries, about 20% of people have atopic disease, which consumes significant amounts of healthcare funding. For example, in UK general practice, allergic conditions account for 6% of consultations and ~10% of prescribing costs [1]. Whilst most studies of allergy focus on children and adolescents, relatively little has been written about allergy in older people, although food allergy may be increasingly common in this group [2]...
May 19, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29777594/il-3-producing-basophils-are-required-to-exacerbate-airway-hyper-responsiveness-in-a-murine-inflammatory-model
#14
Rachel Rignault-Bricard, François Machavoine, Salah Mecheri, Olivier Hermine, Elke Schneider, Michel Dy, Maria Leite-de-Moraes
BACKGROUND: Basophils are commonly associated with allergic responses because of their ability to produce large amounts of pro-Th2 cytokines and histamine. However, the mechanisms through which bone marrow-resident basophils (BMRB) become fully competent cytokine and histamine producers in response to IgE crosslinking are poorly understood. Here, we sought to determine the role of IL-3 in promoting pro-Th2 basophils. METHODS: BMRB and basophils exposed to IL-3 in vitro and in vivo were evaluated for their production of Th2 cytokines and histamine in response to FcεRI crosslinking on both protein and gene expression levels...
May 19, 2018: Allergy
https://www.readbyqxmd.com/read/29775011/-hyper-ige-syndromes
#15
REVIEW
Y Y He, B Liu, X P Xiao
A hyper-IgE syndrome is a rare immunodeficiesncy disease, often accompanied by high serum IgE. It often characterized by facial features, repeated skin infections, eczema and pulmonary infection, including autosomal dominant HIES (AD-HIES) and autosomal recessive HIES (AR-HIES). AR-HIES is caused by mutations in STAT3, which is presented as connective tissue, bone, vascular disease, and high brain white matter signal. AD-HIES is mainly caused by mutations in DOCK8 and TYK2, which is presented as severe viral infection and poor prognosis...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29773698/protocol-for-the-validation-of-sensitivity-and-specificity-of-the-cow-s-milk-related-symptom-score-comiss-against-open-food-challenge-in-a-single-blinded-prospective-multicentre-trial-in-infants
#16
Yvan Vandenplas, Rajat Mukherjee, Christophe Dupont, Philippe Eigenmann, Arne Høst, Mikael Kuitunen, Carmen Ribes-Koninkx, Neil Shah, Hania Szajewska, Andrea von Berg, Ralf G Heine, Zheng-Yan Zhao
INTRODUCTION: The symptoms of cow's milk protein allergy (CMPA) in infancy can be non-specific which may delay a correct diagnosis and cause adverse clinical outcomes. The diagnosis of non-IgE-mediated CMPA is particularly complex as it involves a 2 to 4 week elimination diet followed by oral food challenge (OFC). The Cow's Milk-related Symptom Score (CoMiSS) is a clinical resource for primary healthcare providers which aims to increase awareness of CMPA symptoms to facilitate an earlier diagnosis...
May 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29773475/concordance-between-aspergillus-specific-precipitating-antibody-and-igg-in-allergic-bronchopulmonary-aspergillosis
#17
Kazuki Harada, Tsuyoshi Oguma, Akemi Saito, Yuma Fukutomi, Jun Tanaka, Katsuyoshi Tomomatsu, Masami Taniguchi, Koichiro Asano
BACKGROUND: Several serological tests for specific precipitin or IgG are available to demonstrate type III hypersensitivity reactions to Aspergillus species and are essential for infectious fungal disease diagnosis. These assays are also important for allergic bronchopulmonary aspergillosis (ABPA) diagnosis; however, their concordance in ABPA was not well studied. METHODS: Fifty-two ABPA patients diagnosed based on ISHAM criteria were enrolled. Precipitins and IgG specific to Aspergillusfumigatus, Aspergillusniger, Aspergillusflavus, or Aspergillusterreus were measured using Ouchterlony double immunodiffusion tests and ImmunoCAP method, respectively...
May 15, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29773169/comparison-of-the-effect-of-dietary-copper-nanoparticles-and-one-copper-ii-salt-on-the-metabolic-and-immune-status-in-a-rat-model
#18
Ewelina Cholewińska, Jerzy Juśkiewicz, Katarzyna Ognik
The aim of the study was to evaluate the effects of a diet containing different levels of Cu in two different chemical forms (carbonate and nanoparticles) on metabolic, immune and antioxidant status in a rat model. Five experimental treatments (8 rats in each) were used to test different dosages of Cu added to the diet (standard -6.5 mg/kg, half the standard dosage -3.25 mg/kg, and no added Cu as a negative control) and two sources of added copper (standard -CuCO3 and copper nanoparticles -CuNPs). Blood and urine samples were collected from all the animals after four weeks of treatment...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773100/-eukaryotic-expression-purification-of-human-igecepsilon2-4-protein-and-its-target-fishing
#19
Huihui Huang, Zheyan Wang, Zhenggen Yang, Zhen Li, Ping Wang, Wenqi Dong
Objective To construct eukaryotic expression vectors of human IgE heavy chain 2-4 region (IgECepsilon2-4) and purify the recombinant protein, and then capture its interacted proteins by surface plasmon resonance (SPR). Methods Three recombinant eukaryotic expression vectors of IgECepsilon2-4 containing different signal peptides were constructed and transiently transfected into HEK293FT suspension cells separately. The recombinant plasmid with the highest-level expression was selected to express the recombinant protein in a huge amount, and then the recombinant protein was purified by Ni-NTA affinity chromatography...
March 2018: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29772091/sensitisation-to-outdoor-and-indoor-fungi-in-atopic-dermatitis-patients-and-the-relation-to-the-occurrence-of-food-allergy-to-peanuts-and-walnuts
#20
J Čelakovská, J Bukač, K Ettler, J Vaneckova, K Ettlerova, J Krejsek
The aim of this study is the evaluation of the relation between the sensitisation to outdoor and indoor fungi and allergy to peanuts and walnuts in atopic dermatitis patients aged 14 years and older. The complete dermatological and allergological examinations were perfomed in all included patients; the occurrence of food allergy to peanuts and walnuts was recorded (specific IgE, skin prick test, history of allergic reaction) and the sensitisation to mixture of outdoor fungi and indoor fungi was examined (skin prick test, specific IgE)...
May 17, 2018: Mycoses
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