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- Publications
- Influence
The indices of endogenous oxidative and antioxidative processes in plasma from schizophrenic patients: The possible role of oxidant/antioxidant imbalance
- Ö. Akyol, H. Herken, Efkan Uz, E. Fadıllıoǧlu, H. Savaş
- Medicine, Psychology
- Progress in Neuro-Psychopharmacology and…
- 1 June 2002
There is great evidence in recent years that oxygen free radicals play an important role in the pathophysiology of schizophrenia. The present study was performed to assess the changes in plasma… Expand
Evidence that the activities of erythrocyte free radical scavenging enzymes and the products of lipid peroxidation are increased in different forms of schizophrenia
- H. Herken, E. Uz, H. Özyurt, S. Söğüt, O. Vırıt, Ö. Akyol
- Chemistry, Medicine
- Molecular Psychiatry
- 2001
In order to examine antioxidant status and lipid peroxidation in schizophrenia patients, activities of three free radical scavenging enzymes (superoxide dismutase (SOD), glutathione peroxidase… Expand
Significance of Serotonin Transporter Gene 5-HTTLPR and Variable Number of Tandem Repeat Polymorphism in Attention Deficit Hyperactivity Disorder
- Salih Zoroğlu, M. Erdal, +5 authors H. Herken
- Psychology, Medicine
- Neuropsychobiology
- 1 July 2002
The purpose of this study was to evaluate the relationship between attention deficit hyperactivity disorder (ADHD) and polymorphism of the two regions of the 5-HTT gene [variable number of tandem… Expand
Significance of catechol-O-methyltransferase gene polymorphism in fibromyalgia syndrome
- Savaş Gürsoy, E. Erdal, H. Herken, E. Madenci, B. Alaşehirli, N. Erdal
- Medicine
- Rheumatology International
- 1 May 2003
Abstract. Fibromyalgia syndrome (FS) is associated with a neuroendocrinal disorder characterized by abnormal function of the hypothalamic-pituitary-adrenal (HPA) axis, including hyperactive… Expand
Elevated serum nitric oxide and superoxide dismutase in euthymic bipolar patients: Impact of past episodes
- H. Savaş, H. S. Gergerlioğlu, +7 authors O. Akyol
- Medicine
- The world journal of biological psychiatry : the…
- 1 January 2006
Nitric oxide (NO) has been implicated to play a role in the pathogenesis of many neuropsychiatric disorders. NO level was found high in acute manic inpatients. In this study, we aimed to assess NO… Expand
Adenosine deaminase, nitric oxide, superoxide dismutase, and xanthine oxidase in patients with major depression: impact of antidepressant treatment.
BACKGROUND
There has been much evidence in recent years that free oxygen radicals and nitric oxide (NO) may play an important role in the pathophysiology of neuropsychiatric disorders. In this study,… Expand
Plasma manganese, selenium, zinc, copper, and iron concentrations in patients with schizophrenia
- M. Yanik, A. Kocyigit, H. Tutkun, H. Vural, H. Herken
- Chemistry, Medicine
- Biological Trace Element Research
- 1 May 2004
A number of essential trace elements play a major role in various metabolic pathways. Selenium (Se), manganese (Mn), copper (Cu), zinc (Zn), and iron (Fe) are essential trace elements that have been… Expand
A magnetic resonance imaging study of the adhesio interthalamica in schizophrenia
- Hülya Erbaǧcı, H. Yildirim, H. Herken, E. Gümüşburun
- Psychology, Medicine
- Schizophrenia Research
- 1 May 2002
Several recent studies have found a relationship between midline cerebral malformations (cavum septi pellucidum, absence of the adhesio interthalamica) and schizophrenia. In this study, we… Expand
Oxidative imbalance in obsessive compulsive disorder patients: A total evaluation of oxidant–antioxidant status
- S. Selek, H. Herken, M. Bulut, M. F. Ceylan, O. Erel
- Psychology, Medicine
- Progress in Neuro-Psychopharmacology and…
- 15 February 2008
OBJECTIVES
Various psychological, social, genetic, biochemical, factors are to be involved in the etiology of OCD. Some molecules of free radicals are also found to play role in OCD. To the best of… Expand
Association of T102C polymorphism of the 5-HT2A receptor gene with pyschiatric status in fibromyalgia syndrome
- Savaş Gürsoy, E. Erdal, H. Herken, E. Madenci, B. Alaşehirli
- Medicine
- Rheumatology International
- 1 October 2001
Abstract. Serotonin (5-HT) is a key neurotransmitter in the central nervous system. It is suggested that serotonergic dysfunction may be involved in the pathophysiology of fibromyalgia syndrome (FS).… Expand