Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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Author: search.filters.author.Koksal, Burcu Tahiresearch.filters.applied.f.rights: search.filters.rights.info:eu-repo/semantics/openAccess

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    Assessment of Mucosa-Associated Epithelial Chemokine, Thymus-Expressed Chemokine, Periostin and Zonulin Levels in Infants With Atopic Dermatitis
    (2022) Koksal, Burcu Tahire; Zengin, Hatice Yagmur; Ozbek, Ozlem Yilmaz; 36386107
    Background: Atopic dermatitis (AD) is a chronic inflammatory skin disease. Skin and gut are the organs that first encounter antigens and environmental triggers. The mechanisms behind the relation between skin and gut immune responses in AD have not been identified yet. Aims and Objectives: To investigate mucosa-associated epithelial chemokine (MEC/CCL28), thymus-expressed chemokine (TECK/CCL25), periostin and zonulin levels in infants with AD. Materials and Methods: Children under one year old participated in the study. We used a propensity matching score. We included 39 infants who had active AD lesions at the time of evaluation. Serum MEC/CCL28, TECK/CCL25, periostin and zonulin levels were measured. Results: We examined age and sex matched 39 infants with AD and 39 healthy infants. Median value of zonulin was lower in infants with AD [49.2 (27.1-71.8) ng/mL] compared to healthy controls [58.5 (27.3-80.8) ng/mL] (P < 0.001). Infants with zonulin levels & LE;55.15 ng/mL had 11.64 times more risk of developing AD than the infants with zonulin levels > 55.15 ng/mL. Infants whose MEC/CCL28 levels were & GE;8.3 ng/mL had 5.83 times more risk of developing AD than the infants with MEC levels < 8.3 ng/mL. Duration of AD and SCORAD index score did not show correlation with MEC/CCL28, TECK/CCL25, periostin and zonulin levels. Conclusion: Low zonulin levels and high MEC/CCL28 levels in infants may show an increased association with AD.
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    May rotavirus vaccine be affect food allergy prevalence?
    (2020) Karakas, Nazmi Mutlu; Arslan, Almina; Atalay, Ece; Ayli, Itir; Bagci, Zeynep Ilayda; Cesaretli, Sude; Koksal, Burcu Tahire; Yilmaz Ozbek, Ozlem; 0000-0002-2388-4158; 0000-0003-4286-7086; 0000-0001-9580-7656; 32530362; AAJ-7580-2021; AAX-3831-2020; AAF-2109-2021
    Incidence of food allergy (FA) during nursing period is 6-8% globally and It is reported %5,7 in Turkey. In our study, the aim is to determine whether the prevalence of food allergy (FA) increases in children vaccinated against rotavirus. The files of 681 infants who are still followed-up were retrospectively evaluated. Children who did not come to our clinic for all of their well-child follow-up visits were excluded from the study. Moreover, children diagnosed with allergy before vaccination and children with known gastrointestinal system disease were excluded from the study. The number of patients diagnosed with food allergy after being vaccinated against rotavirus was 12 (1.76%). Three children had a family history of allergy. Of 12 patients who were diagnosed after vaccination, 3 (n:104) were vaccinated with pentavalent vaccine and 9 (n:507) with monovalent vaccine. In the monovalent vaccination group, food allergy was found in 9 children (1.55%), and in the pentavalent vaccination group, food allergy was found in 3 children (2.88%). The difference between the two vaccination groups in terms of food allergy prevalence was not significant (p> .05). Although it is believed that food allergy, and even cow's milk protein allergy (CMPA) prevalence increases in infants vaccinated against rotavirus, in this study, no significant increase was observed in the prevalence of food allergy after rotavirus vaccination. Both types of vaccine had similar rates to each other.
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    Effect of Obesity on Pulmonary Function in Children with Mild Persistent Asthma
    (2016) Koksal, Burcu Tahire; Ozbek, Ozlem Yilmaz; 0000-0001-9580-7656; AAF-2109-2021
    Objective: The prevalence of asthma is increased in obese individuals. There is no concrete evidence that an increase in body mass index is associated with a loss of pulmonary function in childhood asthma. Our aim was to investigate the effect of obesity, atopy, and sex on pulmonary function in asthmatic children. Materials and Methods: This study is a cross-sectional analysis in children with mild persistent asthma. A total of 76 obese and 55 lean children with asthma were recruited. All of the participants were assessed by pulmonary function tests. Skin prick tests including common aeroallergens were performed to all patients. Results: No differences were found in pulmonary function test parameters between obese and lean patients with asthma. In obese patients with asthma, the ratio of forced expiratory volume in 1 s to forced vital capacity (FEV1/FVC) was significantly lower in nonatopic (92.1+/-6.4) than in atopic patients (95.5+/-5.3, p=0.02). We also demonstrated that FEV1/FVC was significantly lower in nonatopic obese patients (92.1+/-6.4) than in nonatopic lean patients with asthma (95.6+/-4.7, p=0.05). Conclusion: Obesity does not seem to be affecting pulmonary function in children with well-controlled mild persistent asthma. However, airways of nonatopic obese asthmatics are negatively affected.