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RISS 인기검색어
- 검색키워드
- 저자 : Hamit Hakan Alp (검색결과 2 건)
- 무료
- 기관 내 무료
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Faruk Kurhan,Hamit Hakan Alp 대한정신약물학회 2021 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.19 No.4
Objective: Insufficient number of oxidative stress studies have been conducted in patients with adult attention deficit hyperactivity disorder (ADHD). The objective of the current study is to examine the thiol/disulfide homeostasis as well as oxidative DNA damage levels in adult ADHD patients and to compare them with the results of healthy control subjects. Methods: The study was inclusive of forty-nine patients who were diagnosed with adult ADHD, as well as thirty-three healthy volunteers to be used as the control group. The diagnosis of the patients was conducted according to the DSM-5 diagnostic criteria. Blood were stored under appropriate laboratory conditions. For the purpose of detecting the oxidative DNA damage level, an extraction of genomic DNA from leukocytes was carried out, and furthermore the levels of 8-hydroxy-2-deoxyguanosine (8-OHdG), apart from deoxyguanosine, were measured accordingly. Results: Total thiol and the native thiol levels were observed to be statistically lower in adult ADHD patients as compared to the subjects in the healthy control group (p = 0.001). It was observed that the disulfide levels were higher in adult ADHD patients as compared to the healthy control subjects (p = 0.001). In addition, the levels of 8-OHdG, which are considered as a marker for assessing DNA damage, were found to be significantly lower in the control group as compared to the adult ADHD patients (p = 0.001). Conclusion: It was observed that the thiol/disulfide homeostasis had shifted towards disulfide, and 8-OHdG levels were increased in adult ADHD patients.
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Faruk Kurhan,Hamit Hakan Alp,Mesut Iş,ık,Yavuz Selim Atan 대한정신약물학회 2022 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.20 No.2
Objective: In this study, we aimed to examine thiol/disulfide homeostasis and oxidative DNA damage in patients with OCD and compare them with healthy controls. Methods: Thirty-five patients previously diagnosed with OCD in Van Yuzuncu Yil University Department of Psychiatry and thirty-three healthy volunteers were included in the study. The severity of the symptoms was measured using the Yale-Brown Obsessive-Compulsive Scale. Five ml of blood samples were taken from the patient and control groups. The samples were stored at appropriate conditions until use. Leukocyte DNA was isolated and the levels of 8-hydroxy- 2-deoxyguanosine (8-OHdG) and deoxyguanosine were detected to assess the oxidative DNA damage. The level of oxidative DNA damage was expressed as 8-OHdG/106dG. Total thiol/native thiol levels were measured for thiol/disulfide homeostasis. The level of disulfide was determined by subtracting the native thiol value from the total thiol value and the result was divided by two. Results were given as percentages. Results: The total and native thiol levels in patients with OCD were significantly lower, and the disulfide levels were significantly higher in patients with OCD than healthy control subjects. In addition, 8-OHdG, an indicator of DNA damage, was significantly lower in the control group compared to the patient group. Conclusion: Increased levels of disulfide/native thiol and disulfide/total thiol in patients with OCD show that levels of oxidative stress were elevated and therefore, higher 8-OHdG levels in patients with OCD is a marker of oxidative DNA damage.
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