Browsing by Author "Erdal S."

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    The Relationship of Carotid Intima-Media Thickness with Cell Adhesion Molecules and Pentraxin-3 in Patients with Psoriatic Arthritis
    (Georg Thieme Verlag, 2023) Soysal Gündüz Ö.; Armaǧan Alptürker K.; Güler Şen M.; Can F.; Erdal S.; Ulman C.; Plrlldar T.
    Aim Cardiovascular morbidity is increased in patients with psoriatic arthritis (PsA) compared to the general population. Several recent studies have indicated that pentraxin 3 (PTX-3) and cell adhesion molecules (CAMs) might be independent biomarkers of subclinical atherosclerosis. In this study, we aimed to determine the relationship of CAMs and PTX-3 with carotid intima media thickness (CIMT) in patients with PsA and to compare CIMT and serum levels of these biomarkers in patients with healthy controls (HCs). Method PsA patients fulfilling the CASPAR (Classification criteria for Psoriatic Arthritis) criteria without traditional cardiovascular (CV) comorbidity and HCs without autoimmune and/or CV disease were included in this cross-sectional study. Carotid artery Doppler ultrasound examinations were conducted by a single radiologist blinded to the participants' clinical characteristics. Serum vascular adhesion molecule 1 (VCAM-1), intercellular adhesion molecule 1 (ICAM-1), E-selectin, and PTX-3 concentrations were analized. Results 43 PsA patients (27 females, mean age 42.49±11.70 years, and a mean disease duration of 9.37±7.96 years) and 37 HCs (28 females, mean age 42.16±11.38 years) were included. In regression analyses, age and PTX-3 were found to be the best predictors of CIMT in patients with PsA. CIMT was significantly higher in PsA patients compared with HCs (0.63±0.18 vs. 0.49±0.10 mm, p<0.01). In te PsA group, serum levels of PTX-3, ICAM-1, and VCAM-1 were also significantly higher than HCs. CIMT correlated positively with age, disease duration, PTX-3, ICAM-1, and VCAM-1 (p<0.05). Conclusion In our study, age and serum level of PTX-3 were found to be the predictors of CIMT in patients with PsA without CV comorbidity. This outcome highlights the importance of monitoring CIMT and serum level of PTX-3 as CV risk factors in PsA patients. © 2023 Georg Thieme Verlag. All rights reserved.
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    Thiol/Disulfide Homeostasis: A Potential New Peripheral Biomarker in Adolescent Depression
    (AVES, 2024) Öztürk M.; Özkan Y.; Yalın Sapmaz Ş.; Erdal S.; Taneli F.; Kandemir H.
    Background: Thiol-disulfide homeostasis (TDH), one of the most important antioxidants, is involved in the non-enzymatic removal of reactive oxygen molecules in the body and is one of the many methods to measure the level of oxidative stress (OS). In the present study, TDH is investigated in adolescent depression, and its relationship to clinical variables is examined. Methods: Thirty-two (50.0%) patients diagnosed with major depressive disorder (MDD) and without psychotropic drug use and 32 (50.0%) healthy controls were included in the present study. The subjects MDD and control groups were between 13 and 18 years old. Participants completed the DSM-5 Level-2 scales for depression and irritability. A colorimetric method proposed by Erel and Neselioglu was used to analyze the TDH parameters of serum samples. Results: Biochemical analyses of samples from the MDD and control groups showed significant differences between the groups in native thiol (SH) levels (P =.002), disulfide (SS) levels (P =.021), disulfide/total thiol (SS/ToSH) (P =.009), and disulfide/native thiol (SS/SH) (P =.003) levels. Analysis of receiver operating characteristic showed that the area under the curve values with “acceptable discrimination potential” for the TDH parameters were significantly able to discriminate individuals with MDD from healthy controls. Conclusion: Thiol-disulfide homeostasis, one of the OS parameters, was found to be impaired in adolescents with depression. Our results suggest that TDH may contribute to the etiopathogenesis of adolescent MDD and that TDH may be a novel approach to assess OS in adolescent depression. © 2024, AVES. All rights reserved.