H. Herken

Publications156
h-index32
Citations3,447
Highly Influential Citations169
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The indices of endogenous oxidative and antioxidative processes in plasma from schizophrenic patients: The possible role of oxidant/antioxidant imbalance
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
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Evidence that the activities of erythrocyte free radical scavenging enzymes and the products of lipid peroxidation are increased in different forms of schizophrenia
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
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Significance of Serotonin Transporter Gene 5-HTTLPR and Variable Number of Tandem Repeat Polymorphism in Attention Deficit Hyperactivity Disorder
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
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Significance of catechol-O-methyltransferase gene polymorphism in fibromyalgia syndrome
Abstract. Fibromyalgia syndrome (FS) is associated with a neuroendocrinal disorder characterized by abnormal function of the hypothalamic-pituitary-adrenal (HPA) axis, including hyperactive… Expand
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Elevated serum nitric oxide and superoxide dismutase in euthymic bipolar patients: Impact of past episodes
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
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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
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Plasma manganese, selenium, zinc, copper, and iron concentrations in patients with schizophrenia
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
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A magnetic resonance imaging study of the adhesio interthalamica in schizophrenia
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
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Oxidative imbalance in obsessive compulsive disorder patients: A total evaluation of oxidant–antioxidant status
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
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Association of T102C polymorphism of the 5-HT2A receptor gene with pyschiatric status in fibromyalgia syndrome
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
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