1
|
Won NH, Park SH, Ahn SH, Kim CB, Kwon JH, Seo WH, Song DJ, Yoo Y. Clinical characteristics of allergic rhinitis and nonallergic rhinitis in Korean children. ALLERGY ASTHMA & RESPIRATORY DISEASE 2020. [DOI: 10.4168/aard.2020.8.1.20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Na Hae Won
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
| | - Sang Hyun Park
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
| | - So Hyun Ahn
- Allergy Immunology Center, Korea University, Seoul, Korea
| | - Chae Bong Kim
- Environmental Health Center, Korea University Anam Hospital, Seoul, Korea
| | - Jung Hyun Kwon
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
| | - Won Hee Seo
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
| | - Dae Jin Song
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
| | - Young Yoo
- Department of Pediatrics, Korea University Medical College, Seoul, Korea
- Allergy Immunology Center, Korea University, Seoul, Korea
- Environmental Health Center, Korea University Anam Hospital, Seoul, Korea
| |
Collapse
|
2
|
Ha EK, Baek JH, Lee SY, Park YM, Kim WK, Sheen YH, Lee SJ, Bae Y, Kim J, Lee KJ, Ahn K, Kwon HJ, Han MY. Association of Polysensitization, Allergic Multimorbidity, and Allergy Severity: A Cross-Sectional Study of School Children. Int Arch Allergy Immunol 2017; 171:251-260. [PMID: 28049188 DOI: 10.1159/000453034] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 11/02/2016] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Aeroallergen sensitization is related to the coexistence of allergic diseases, but the nature of this relationship is poorly understood. The aim of this study was to clarify the relationship of polysensitization with allergic multimorbidities and the severity of allergic diseases. METHODS This study is a cross-sectional analysis of 3,368 Korean children aged 6-7 years-old. We defined IgE-mediated allergic diseases based on structured questionnaires, and classified the sensitivity to 18 aeroallergens by logistic regression and the Ward hierarchical clustering method. The relationship of polysensitization (positive IgE responses against 2 or more aeroallergens classes) with allergic multimorbidities (coexistence of 2 or more of the following allergic diseases: asthma, rhinitis, eczema, and conjunctivitis) and severity of allergic diseases was determined by ordinal logistic regression analysis. RESULTS The rate of polysensitization was 13.6% (n = 458, 95% CI 12.4-14.8) and that of allergic multimorbidity was 23.5% (n = 790, 95% CI 22.0-24.9). Children sensitized to more aeroallergens tended to have more allergic diseases (rho = 0.248, p < 0.001), although the agreement between polysensitization and multimorbidity was poor (kappa = 0.11, p < 0.001). The number allergen classes to which a child was sensitized increased the risk of wheezing attacks (1 allergen: adjusted odds ratio [aOR] 2.22, 4 or more allergens: aOR 9.39), absence from school (1 allergen: aOR 1.96, 3 allergens: aOR 2.08), and severity of nasal symptoms (1 allergen: aOR 1.61, 4 or more allergens: aOR 4.38). CONCLUSION Polysensitization was weakly related to multimorbidity. However, the number of allergens to which a child is sensitized is related to the severity of IgE-mediated symptoms.
Collapse
Affiliation(s)
- Eun Kyo Ha
- Department of Pediatrics, CHA University School of Medicine, Seongnam, Korea
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
3
|
Ethnicity influences disease characteristics and symptom severity in allergic rhinitis patients in Malaysia. Int Forum Allergy Rhinol 2016; 6:624-30. [DOI: 10.1002/alr.21442] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 08/17/2014] [Accepted: 09/30/2014] [Indexed: 11/07/2022]
|
4
|
Polydesensitisation with reducing elevated serum total IgE by IFN-gamma therapy in atopic dermatitis: IFN-gamma and polydesensitisation (PDS). Cytokine 2013; 64:395-403. [DOI: 10.1016/j.cyto.2013.05.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 03/21/2013] [Accepted: 05/17/2013] [Indexed: 11/22/2022]
|
5
|
Kim HY, Shin YH, Yum HY, Jee HM, Jang SJ, Yoon JW, Han MY. Patterns of sensitisation to common food and inhalant allergens and allergic symptoms in pre-school children. J Paediatr Child Health 2013; 49:272-7. [PMID: 23510211 DOI: 10.1111/jpc.12150] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/09/2012] [Indexed: 11/30/2022]
Abstract
AIM Sensitisation to allergens and allergy symptoms depends on age, but this relationship is poorly understood. We therefore investigated the effect of age on allergen sensitisation and allergy symptoms in pre-school children. METHODS A cross-sectional study was conducted on 629 Korean children (age 3 to 6 years). Current allergic symptoms were assessed by the Korean version of the International Study of Asthma and Allergies in Childhood questionnaire that was adapted for pre-school children. Sensitisation to five airborne and three food allergens was evaluated by a skin prick test. χ(2) test was used to analyse differences in age trend. Multiple logistic regression analysis was performed to obtain the adjusted odds ratios (aOR) for allergic disease. RESULTS As age increased, the prevalence of current rhinitis (P < 0.001), the sensitisation to pollen allergens (P < 0.001) and polysensitised children (P = 0.002) increased, but the prevalence of current asthma (P = 0.010) and the sensitisation to food allergens (P = 0.009) decreased. There was no effect of age on the prevalence of current eczema (P = 0.685), monosensitised children (P = 0.282) and atopy (P = 0.160). The agreement between sensitisation to dust mites and atopy increased with age, and was 93% at age 6 years (P = 0.05). The polysensitisation (aOR = 3.0 (95% CI, 1.4-5.0), P < 0.005) and the presence of eczema in the first 2 years of life (aOR = 4.1 (95% CI, 2.2-7.6), P < 0.001) were significant independent risk factors for current rhinoconjunctivitis. CONCLUSION The type and number of allergen sensitisations and allergic symptoms changed from age 3 to 6 years. Careful follow-up of changes in sensitisation patterns may provide a better understanding of the pathogenesis of the allergic march.
Collapse
Affiliation(s)
- Hyeong Yun Kim
- Department of Pediatrics, Bundang JeSaeng General Hospital, Seoul, Korea
| | | | | | | | | | | | | |
Collapse
|
6
|
Ruëff F, Przybilla B, Walker A, Gmeiner J, Kramer M, Sabanés-Bové D, Küchenhoff H, Herzinger T. Sensitization to Common Ragweed in Southern Bavaria: Clinical and Geographical Risk Factors in Atopic Patients. Int Arch Allergy Immunol 2012; 159:65-74. [DOI: 10.1159/000335192] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Accepted: 10/28/2011] [Indexed: 11/19/2022] Open
|
7
|
de Jong AB, Dikkeschei LD, Brand PLP. Sensitization patterns to food and inhalant allergens in childhood: a comparison of non-sensitized, monosensitized, and polysensitized children. Pediatr Allergy Immunol 2011; 22:166-71. [PMID: 20633236 DOI: 10.1111/j.1399-3038.2010.00993.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The clinical interpretation of children sensitized to numerous allergens is challenging. We examined differences between children sensitized to zero, one, or more allergens. This was a retrospective analysis of all specific IgE tests in children 0-18 yrs of age sent to our laboratory by general practitioners and hospital-based specialists for allergy testing between 1990 and 2003. Of all 9044 children tested, 5439 (60.1%) were not sensitized to any of the aeroallergens or food allergens tested. Three thousand six hundred and five children (39.9%) had one or more positive specific IgE tests, 1120 of which (31.1%) were monosensitized (73% to aeroallergens and 27% to food allergens), 1709 (47.4%) were sensitized to two to four allergens, and 776 (21.5%) to five or more allergens (polysensitization). Polysensitization was more common in children 4-11 yrs of age (24.8%) than in younger (18.7%) or older children (18.3%, p < 0.001), and more common in boys (9.8%) than in girls (7.3%, p < 0.001). Median total IgE values increased with increasing number of positive specific IgE tests (p < 0.001). House dust mite more commonly showed monosensitization (22.2%) than other aeroallergens (grass pollen 10.5%, tree pollen 3.6%, cat 2.9%, and dog 1.5%); cow's milk (27.6%) more commonly than other food allergens (hen's egg 9.7%, peanut 4.6%, wheat 0.8%, soy 0.7%). Between 55.7% (cow's milk) and 87.9% (soy) of children sensitized to food were cosensitized to aeroallergens, while only 25.4% (house dust mite) to 39.5% (dog) of children sensitized to aeroallergens were cosensitized to food. Polysensitization is common in children, in particular in boys. It is most common in school-aged children. The strong association with total serum IgE values and the striking cosensitization between biologically unrelated allergens suggest that polysensitization is the expression of a distinct clinical, more severe, atopic phenotype, and not of biologic cross-reactivity to similar allergens.
Collapse
|
8
|
CpG-induced Th1-type response in the downmodulation of early development of allergy and inhibition of B7 expression on T cells of newborn mice. J Clin Immunol 2010; 30:280-91. [PMID: 20084440 DOI: 10.1007/s10875-009-9358-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Accepted: 12/06/2009] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Several differences have been described between neonatal and adult immune responses. The predisposition in early life to Th2-type response or tolerance makes it a susceptible period for infections and allergic sensitization. OBJECTIVE The aim of this work was to evaluate the effects of CpG-containing oligodeoxynucleotides on neonatal and adult immunization with ovalbumin and Blomia tropicalis extract and compare the CpG effects on B and T cells of neonatal and adult mice. RESULTS AND DISCUSSION Mice that received CpG showed reduced immunoglobulin E (IgE) antibody production in both neonatal and adult periods, in parallel to increased IgG2a antibody levels. We observed that spleen cells of mice that received CpG in early life produced increased amounts of interferon-gamma upon anti-CD3 stimulation. Negative regulation of IgE response was more pronounced in adult than neonate mice; further, CpG decreased anaphylactic antiovalbumin IgG1 only in adults. Also, an upregulation of toll-like receptor 9 expression was detected in adult B cells, but not in neonatal, upon CpG stimuli. Neonatal B cells showed enhanced interleukin (IL)-10 expression and decreased IL-6 levels than adult B cells in response to CpG. When we analyzed in vitro activation of CD4+ T cells, an increased expression of B7 molecules on T cells in neonates was suppressed by CpG. CONCLUSION Altogether, we verified qualitative and quantitative evidences regarding CpG effect on neonatal and adult allergens immunizations, which points to the importance of understanding neonatal immune system to establish immunomodulatory strategies for prevention of allergic diseases.
Collapse
|
9
|
Cosan D, Kurt E, Kurt H, Degirmenci I, Kuçukarabaci B, Metintas M, Kucuk MU, Gunes HV, Colak E. Plasminogen activator inhibitor type-1 gene 4G/5G polymorphism in Turkish adult patients with asthma. Genet Test Mol Biomarkers 2009; 13:543-6. [PMID: 19604112 DOI: 10.1089/gtmb.2009.0036] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
AIM This study has been performed on asthmatic patients in the Turkish population to determine the frequency of 4G/5G polymorphism genotypes of plasminogen activator inhibitor type-1 gene, and with the aim of examining the role of this polymorphism in asthma development. METHODS Genomic DNA obtained from 165 persons (98 patients with asthma and 67 healthy controls) was used in the study. DNA was multiplied with polymerase chain reaction using 4G and 5G allele-specific primers. Polymerase chain reaction products were assessed with CCD camera by being exposed to 2% agarose gel electrophoresis. Results were evaluated with chi-square test. RESULTS No statistically significant difference between the groups with respect to genotype distribution was found (p > 0.05) in the study. The 4G allele frequency was indicated as 48% and 5G allele was as 52% in patients, whereas this was 50-50% in the control group. CONCLUSION It has been established by this study that 4G/5G polymorphism genotypes of plasminogen activator inhibitor type-1 gene do not play a role in the development of asthma in the Turkish population.
Collapse
Affiliation(s)
- Didem Cosan
- Department of Medical Biology, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey.
| | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Abstract
Genetic factors presumably play a role in contact allergy (CA). There is, however, a lack of conclusive evidence from clinical studies. This may be on account of the strongly competing or modifying impact of exogenous factors, namely the potency of allergens and the intensity of exposure, and the fact that - in principle - everybody can be sensitized. Regarding phenotype, in contrast, polysensitization (PS) seems to indicate a subset of individuals at greater risk. In human sensitization experiments with dinitrochlorobenzene, induction was facilitated in PS, and elicitation enhanced. Recent clinical epidemiological data, taking confounders for PS, such as age, sex, and other skin diseases into account, demonstrated the following: (i) PS was the greatest risk factor to be sensitized to a number of (even weak) index allergens, indicating higher susceptibility on the level of induction; (ii) patch test reactions in PS patients were generally stronger indicating higher susceptibility on the level of elicitation. These findings are complemented by reports on polymorphisms of TNF-alpha and IL-16 in PS patients. Future studies on the genetics of CA should be performed in subgroups with PS, focussing on polymorphisms relevant for CA-specific and nonspecific (inflammatory) processes.
Collapse
Affiliation(s)
- A Schnuch
- Center of the Information Network of Department of Dermatology, Institute at University of Göttingen, Göttingen, Germany
| | | | | |
Collapse
|
11
|
Kurt E, Metintas S, Basyigit I, Bulut I, Coskun E, Dabak S, Deveci F, Fidan F, Kaynar H, Uzaslan EK, Onbasi K, Ozkurt S, Pasaoglu G, Sahan S, Sahin U, Oguzulgen K, Yildiz F, Mungan D, Yorgancioglu A, Gemicioglu B, Fuat Kalyoncu A. Prevalence and risk factors of allergies in Turkey: Results of a multicentric cross-sectional study in children. Pediatr Allergy Immunol 2007; 18:566-74. [PMID: 18001428 DOI: 10.1111/j.1399-3038.2007.00551.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Prevalence And Risk Factors of Allergies in Turkey (PARFAIT) study was planned to evaluate prevalence and risk factors of asthma and allergic diseases and also to find out which geographical variables and/or climatic conditions play a role determining the prevalence of allergic diseases in Turkish school children. Study was planned as cross-sectional questionnaire-based. About 25,843 questionnaires from 14 centers were appropriate for analysis. Parental history of allergy, having an atopic sibling and other atopic disease in index case was significant risk factors for all allergic diseases. Breast feeding decreased the risk of current asthma (OR: 0.92, CI: 0.86-0.99) and wheezing (OR: 0.93, CI: 0.87-0.99) but not allergic rhinitis and eczema. Respiratory infection in the past was an important risk factor for the occurrence of allergic diseases especially for asthma which was increased 4.53-fold. Children exposed to household smoke were significantly at higher risk of asthma, wheezing, and allergic rhinitis (OR: 1.20, CI: 1.08-1.33; OR: 1.21, CI: 1.09-1.34; and OR: 1.32, CI: 1.21-1.43, respectively). All allergic diseases were increased in those children living in areas which have altitude of below 1000 m and mean yearly atmospheric pressure above 1000 mb. The study has suggested that household and country-specific environmental factors are associated with asthma, wheezing, allergic rhinitis, and eczema risk during childhood in Turkey.
Collapse
Affiliation(s)
- Emel Kurt
- Pulmonary Diseases Department, Eskisehir Osmangazi University, Eskisehir, Turkey.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|