scholarly journals The increased prevalence of keloids in atopic dermatitis patients with allergic comorbidities: a nationwide retrospective cohort study

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Hyo-Eun Kwon ◽  
Hye-Jin Ahn ◽  
Su Jin Jeong ◽  
Min Kyung Shin

AbstractAtopic dermatitis (AD) is associated with allergic comorbidities, such as asthma, allergic rhinitis (AR), and allergic contact dermatitis (ACD). The etiology of keloid is largely unknown; however, AD and keloid share inflammatory pathways characterized by T-helper cell 2 cytokines and increased dermal fibroblast activity. The prevalence of keloids has been reported to increase in patients with AD, but it remains controversial. This study aimed to estimate the prevalence of keloids in patients with AD, and compare it with the prevalence of other comorbidities of AD. We assessed the Korean National Health Information Database and medical records including coexisting asthma, AR, and ACD. Single and multiple logistic regression models were created for keloids and each allergic disease. The prevalence of keloids was higher in the AD group than in the control group. Among patients with AD, adolescents and adults had a higher prevalence of keloids than infants and children. The risk of keloids was high with AD alone, and coexisting asthma significantly increased the risk. Similarly, the risk of keloids was higher in AR associated with AD and ACD associated with AD than in AD alone. Thus, among Koreans, patients with AD have a higher risk of keloid development, with coexisting allergic diseases increasing the risk.

2021 ◽  
Author(s):  
Hyo-eun Kwon ◽  
Hye-Jin Ahn ◽  
Su Jin Jeong ◽  
Min Kyung Shin

Abstract Atopic dermatitis (AD) is associated with allergic comorbidities, such as asthma, allergic rhinitis (AR), and allergic contact dermatitis (ACD). The etiology of keloid is largely unknown; however, AD and keloid share inflammatory pathways characterized by T-helper cell 2 cytokines and increased dermal fibroblast activity. The prevalence of keloids is known to increase in patients with AD. This study aimed to estimate the prevalence of keloids in patients with AD, and compare it with the prevalence of other comorbidities of AD. We assessed the Korean National Health Information Database and medical records including coexisting asthma, AR, and ACD. Single and multiple logistic regression models were created for keloids and each allergic disease. The prevalence of keloids was higher in the AD group than in the control group. Among patients with AD, adolescents and adults had a higher prevalence of keloids than infants and children. The risk of keloids was high with AD alone, and coexisting asthma significantly increased the risk. Similarly, the risk of keloids was higher in AR associated with AD and ACD associated with AD than in AD alone. Thus, among Koreans, patients with AD have a higher risk of keloid development, with coexisting allergic diseases increasing the risk.


2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Paulina Sobkowiak ◽  
Wojciech Langwiński ◽  
Joanna Nowakowska ◽  
Irena Wojsyk-Banaszak ◽  
Dawid Szczepankiewicz ◽  
...  

Background and Aim. Neurogenic inflammation underlies the pathogenesis of allergic diseases. Interactions between neurons with the immune cells and structural cells (airway epithelium, nasal mucosa, skin keratinocytes) undergo altered regulation during chronic inflammation. Therefore, we hypothesized that the expression of neuroinflammatory genes may be altered allergic diseases, including atopic dermatitis and allergic rhinitis, and that, compared to atopic asthma, the expression pattern may be disease-specific in pediatric patients. Methods. In the study, we included 86 children diagnosed with atopic asthma (n=25), allergic rhinitis (n=20), and atopic dermatitis (n=20) and healthy control subjects (n=21) of Caucasian origin from the Polish population. The blood leukocyte expression of 31 genes involved in neuroinflammatory response (neurotrophins, their receptors, neuropeptides, and histamine signaling pathway) was analysed using TaqMan low-density arrays. The relative expression of selected proteins from plasma was done using TaqMan Protein Assays. Statistical analysis was done using Statistica. Results. Blood expression of 31 genes related to neuroimmune interactions showed significant increase in both allergic diseases, allergic rhinitis and atopic dermatitis, in comparison to the control group. We found 12 genes significantly increased in allergic rhinitis and 9 genes in which the expression was elevated in atopic dermatitis. Moreover, 9 genes with changed expression in atopic dermatitis overlapped with those in allergic rhinitis. Atopic asthma showed 5 genes with altered expression. The peripheral expression of neuroinflammatory genes in the human study was verified in target tissues (nasal epithelium and skin) in a rat model of allergic inflammation. Conclusions. A common pattern of neuroinflammatory gene expression between allergic rhinitis and atopic dermatitis may reflect similar changes in sensory nerve function during chronic allergic inflammation.


2018 ◽  
Vol 8 (4) ◽  
pp. 228
Author(s):  
Jian-Rong Zhou ◽  
Jun Urata ◽  
Takuya Shiraishi ◽  
Chiaki Tanaka ◽  
Toshihiro Nohara ◽  
...  

Background: Allergic diseases like atopic dermatitis have recently increased. A naturally occurring glycoside, Esculeoside B, has been identified as a major component in tomato juice from the can. Accordingly, the present study investigated the effects of esculeoside B on experimental dermatitis mice.Results: Oral treatment with 10 mg/kg of esculeoside B on the experimental dermatitis mice for 4 weeks significantly decreased the skin clinical score of 2.0 compared to the control score of 5.0. Furthermore, the scratch frequency of mice treated with esculeoside B was lower compared to the control group. Overall, the administration of esculeoside B significantly inhibited T lymphocyte proliferation and demonstrated a tendency to decrease in IL-4 production. For example, the 121.2 pg/ml in the control group decreased to 96.1 pg/ml. There was also a decrease in serum IgE levels from 928.0 ng/ml in the control group to 687.8 ng/ml.Conclusion: Our study is the first to demonstrate how tomato juice saponin or esculeoside B may ameliorate mice experimental dermatitis by the inhibition of T cell proliferation.Keywords: tomato juice; experimental atopic dermatitis; IgE; cytokine; tomato saponin; esculeoside B


Cells ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 947
Author(s):  
Mab P. Corrêa ◽  
Libnah L. Areias ◽  
Rebeca D. Correia-Silva ◽  
Solange C. G. P. D’Ávila ◽  
Andréia M. Leopoldino ◽  
...  

Galectin-9 (Gal-9) is a beta-galactoside-binding protein with a variety of biological functions related to immune response. However, in allergic diseases, its mechanism of action is not fully understood. This study evaluates the expression pattern of Gal-9 in patients with atopic dermatitis (AD), in ovalbumin (OVA)-induced experimental atopic dermatitis (AD) in mice, as well as its effect on human keratinocytes. The skin of OVA-immunized BALB/c mice was challenged with drops containing OVA on days 11, 14–18, and 21–24. HaCaT cells were cultured in the following experimental conditions: control (growth medium only) or stimulated with TNF-α/IFN-γ, or IL-4, or IL-17 with or without Gal-9 treatment. AD was characterized by increased levels of Gal-9 in mouse and human skin, especially in the epidermis, and with a marked influx of Gal-9 positive eosinophils and mast cells compared to the control group. Gal-9 showed an immunomodulatory effect on keratinocytes by decreasing the release of IL-6 by IL-4-stimulated keratinocytes or increasing the IL-6 and RANTES levels by IL-17- or TNF-α/IFN-γ-stimulated cells, respectively. Under IL-17, Gal-9 treatment also altered the proliferation rate of cells. Overall, increased levels of Gal-9 in AD skin contribute to the control of inflammatory response and the proliferative process of keratinocytes, suggesting this lectin as a relevant therapeutic target.


2017 ◽  
Vol 28 (6) ◽  
pp. 933-948 ◽  
Author(s):  
Jarmila Celakovska ◽  
Josef Bukač ◽  
Karel Ettler ◽  
Květuše Ettlerova ◽  
Irena Krcmova

2021 ◽  
Vol 49 (1) ◽  
pp. 62-67
Author(s):  
Mehmet Halil Celiksoy ◽  
Abdullah Hakan Ozmen ◽  
Erdem Topal

Background: Papular urticaria is a hypersensitivity reaction characterized by chronic and recurrent papular erythema. It occurs as a result of the bites of mosquitoes, fleas, bed bugs, and other insects; and it is generally seen in children. This study examines the prevalence of atopic diseases in patients with papular urticaria. Methods: The medical records of 130 pediatric patients with the diagnosis of papular urticaria between August 2017 and August 2019, whose disease progression was followed in two ter-tiary care centers, were reviewed retrospectively. The patients were divided into two groups: under 5 and above 5 years old. The prevalence of the atopic disease in children with papular urticaria was compared with those in age-matched controls without papular urticaria. Results: The study included 130 patients who were diagnosed with papular urticaria (64 males, 66 females, median age: 60 months). The prevalences of atopic disease, recurrent wheezing, and atopic dermatitis were higher in the group under 5 years old with papular urticaria than in the same-age control group (p = 0.001, 0.002, and 0.001, respectively). The prevalences of atopic disease, asthma, allergic rhinitis, and atopic dermatitis were higher in the group above 5 years old with papular urticaria than in the same-age control group (p = 0.001, 0.001, 0.001, and 0.007, respectively). Conclusions: Many children with papular urticaria are atopic children. These patients should be assessed not only in terms of papular urticaria but also in terms of comorbid atopic diseases.


2017 ◽  
Vol 5 (3) ◽  
pp. 305-309 ◽  
Author(s):  
Javad Ghaffari ◽  
Ghasem Rahmatpour Rokni ◽  
Armaghan Kazeminejad ◽  
Hosein Abedi

BACKGROUND: Alopecia areata is a non-scarring hair loss, which typically starts quickly. Atopy is one of the possible predisposing risk factors for this condition.AIM: This study aimed to evaluate the prevalence of thyroid disease, atopic dermatitis and allergic diseases in children with alopecia areata and compare the results with healthy individuals.METHODS: This case-control study was conducted on 50 patients with alopecia areata, diagnosed by a dermatologist, and 150 healthy individuals as the control group. Participants filled the questionnaires, and necessary tests were performed.RESULTS: In this study, the mean age of the participants was 2.55 ± 14.26 and 3.19 ± 11.92 in the case and control groups, respectively. Prevalence of asthma was 22% in the case group and 12.5% in control group (P = 0.109). Also, allergic rhinitis and eczema were observed in 20% and 22% of the subjects of the case group, whereas they were reported to be 8% and 10% in the control group (PV = 0.03 and 0.175, respectively). Moreover, 28% and 8% of the participants in the case and control groups had a family history of atopy and allergic disorders, respectively (P = 0.046). A significant difference was observed between the two groups regarding gender, type of delivery and contact with animals.CONCLUSIONS: According to the results of this study, a significant association was observed between the prevalence of alopecia areata and atopic conditions, such as allergic rhinitis and history of atopic dermatitis.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Matheus Ivan Schmitz Vieira ◽  
Alessandro Adad Jammal ◽  
Carlos Eduardo Leite Arieta ◽  
Monica Alves ◽  
Jose Paulo Cabral de Vasconcellos

AbstractTo identify and compare keratometric, corneal thickness, and elevation parameters and indices among healthy children, ocular allergy, and keratoconus using the OCULUS Pentacam Scheimpflug topography system. This study included healthy children, children with ocular allergy (OA) without keratoconus, and children with keratoconus (KC). The study design consisted of a prospective evaluation and review of medical records from a Brazilian ophthalmology department. The exclusion criteria were inability to undergo the ocular exam, other ocular diseases, contact lens wear, and topographic corneal ectasia. The effect of each corneal parameter was evaluated using univariate and multivariate logistic regression models adjusted for sex and age, and ROC curves were used to assess the ability each variable to discriminate among groups. A total of 182 subjects were included: healthy children (n = 99), children with OA (n = 32), and children with KC (n = 51). Groups differed in terms of sex, with more males in the OA group (73.2%) and the KC group (67.7%) than in the control group (40.9%). All corneal parameters studied differed significantly between the control and KC groups, and between the OA and KC groups; they also differed significantly between the three groups in terms of astigmatism, q-value, CCT, TP, BAD-D, and ARTmax values. We present the first study to describe and compare corneal tomographic parameters in healthy children, OA, and KC. Keratometry indices, ACD, ARTmax, AETP, and PETP were found to be the most useful for differentiating between healthy and KC children.IBR registry number: CAAE 54921916.9.0000.5404.


Author(s):  
E.V. Prosekova ◽  
A.I. Turyanskaya ◽  
N.G. Plekhova ◽  
M.S. Dolgopolov ◽  
V.A. Sabynych

Расширение спектра изучаемых клонов Тхелперов определило более сложные иммунные механизмы реализации аллергического воспаления. Цель. Характеристика показателей и взаимосвязей цитокинового профиля сыворотки и субпопуляционного состава Тлимфоцитов периферической крови у детей с бронхиальной астмой и аллергическим ринитом. Материалы и методы. Проведено комплексное обследование 150 детей в возрасте 311 лет с верифицированным диагнозом бронхиальной астмы, аллергического ринита и 30 здоровых сверстников. Иммунологические параметры крови оценивали методом проточной цитометрии, концентрации интерлейкинов и IgE в сыворотке крови определяли методом твердофазного иммуноферментного анализа. При статистической обработке использовали программы Statistica 10 с критическим уровнем значимости р0,05. Результаты. У детей с аллергическими заболеваниями в сыворотке крови определены высокие уровни содержания интерлейкинов4, 8, 13, 17А, сопоставимый с показателями группы контроля уровень IL17F и низкое содержание IFNy. При бронхиальной астме и аллергическом рините у детей выявлено увеличение количества CD3CD8CD45RO, CD3CD8CD45RACD45RO Тлимфоцитов и CD3CD4 Тхелперов и повышение количество Th17 при снижении CD3CD4CD45RO клеток памяти. В группе здоровых детей популяция Th17 составляла 9,491,6, у детей с аллергическими заболеваниями количество данных клеток было значимо выше 14,50,77 (р0,001). Анализ сывороточного содержания цитокинов у детей с изолированным течением БА и в сочетании с аллергическим ринитом выявил разнонаправленные корреляции, отличающиеся по силе и направленности от таковых в группе здоровых детей. Заключение. У детей при изолированном течении бронхиальной астмы и в сочетании с аллергическим ринитом выявлены: сопоставимое с показателями здоровых детей количество CD3CD4 Тклеток, дисбаланс в субпопуляционном составе Тхелперов за счет преобладания Th2 и Th17, активация синтеза IL17A, IL4, IL8, IL13, низкий уровень сывороточного IFNy, изменения силы и направленности взаимосвязей цитокинового профиля и спектра субпопуляций Тлимфоцитов.Expansion of the range of examined Thelper clones has determined more complex immune mechanisms for the implementation of allergic inflammation. Objective. To characterize the parameters and relationships between the serum cytokine profile and Tlymphocyte subpopulation in peripheral blood of children with bronchial asthma and allergic rhinitis. Materials and methods. 150 children aged between 311 years old with bronchial asthma, and allergic rhinitis and 30 healthy volunteers were examined. Immunological parameters were assessed by flow cytometry, the concentration of serum interleukins and IgE were determined by means of enzymelinked immunosorbent assay. Statistical analysis was performed with Statistica 10 program with a critical level of significance p0.05. Results. High levels of interleukins 4, 8, 13, 17A were determined, IL7F level was not significantly different from that in control group and low level of IFNy was found in the serum of children with allergic diseases. The number of CD3CD8CD45RO, CD3CD8CD45RACD45RO Tlymphocytes, CD3CD4 Thelper cells and Th17 were increased and at the same time CD3CD4CD45RO memory cells were decreased In bronchial asthma and allergic rhinitis children. Number of Th17 cells in healthy children was 9.491.6, in allergic children it was significantly higher 14.50.77 (p0.001). Analyses of serum cytokine count in children with isolated BA and in association with allergic rhinitis revealed multidirectional correlations differing in strength and direction from those in the group of healthy children. Conclusion. In children with isolated bronchial asthma and associated with allergic rhinitis the following parameters were found: CD3CD4 Tcells count was comparable to that in healthy children, the imbalance of Thelper subpopulation: prevalence of Th2 and Th17, activation of IL17A, IL4, IL8, IL13 synthesis and low level of serum IFNy.


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