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Neurodegeneration in Parkinson’s disease (PD) includes processes of chronic inflammation and oxidative stress which are related to dysregulation in the homeostasis of iron metabolism. Hepcidin is a peptide hormone responsible for systemic iron homeostasis and simultaneously the inflammatory response protein, induced in response to interleukin 6 (IL‑6). We assessed the serum concentration of hepcidin...
Oxidative stress is one of the possible mechanisms of neurodegeneration. One of the elements of this mechanism are altered iron homeostasis and changes concerning of iron metabolism regulatory proteins. The primary iron storage protein in cells is ferritin, composed of heavy (H) and light (L) chains. In brain tissue neurons contain mainly ferritin H-chains, whereas glial cells are rich in L-chains...
Patients with Parkinson’s disease (PD) exhibit impairments in executive function and working memory. As opposed to motor symptoms of the disease the physiological origins of cognitive defi cits are not well understood. The aim of the present study was to delineate mechanisms of cognitive impairment in PD using blood oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI). Twenty-two...
This study examined verbal and nonverbal aspects of explicit and implicit memory in a sample of 19 Parkinson's disease (PD) patients and 21 control subjects. For implicit memory evaluation, we used a Mirror Reading (MR) task employing verbal material as well as a nonverbal Serial Reaction Time (SRT) task. For explicit memory measurement we applied a word pairs task (verbal) and pairs of a Japanese...
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