Neuroprotective effect of citicoline in 6-hydroxydopamine-lesioned rats and in 6-hydroxydopamine-treated SH-SY5Y human neuroblastoma cells. 2003

Marta Barrachina, and Isabel Domínguez, and Santiago Ambrosio, and Julio Secades, and Rafael Lozano, and Isidro Ferrer
Unitat de Neuropatologia, Departament de Biologia Cellular i Anatomia Patològica, Universitat de Barcelona, Campus de Bellvitge, c/Feixa Llarga s/n, L'Hospitalet de Llobregat, 08907 Barcelona, Spain.

Citicoline (CDP-choline or cytidine 5'-diphosphocholine) has been used as a therapeutic agent in combination with levodopa in the treatment of Parkinson's disease (PD). The present study examines the effects of citicoline by using validated in vivo and in vitro models. Citicoline reduces the cytotoxic effect of 6-hydroxydopamine (6-OHDA)-treated human dopaminergic SH-SY5Y neuroblastoma cells as measured cellular redox activity with 3-[4.5-dimethylthiazol-2-yl]-2.5-diphenyltetrazolium bromide (MTT) and increases the levels of reduced glutathione (GSH), a major antioxidant agent. Moreover, citicoline (500 mg/kg i.p.) administered for 7 days ameliorates functional behaviour by significantly reducing the number of apomorphine-induced contralateral rotations in 6-OHDA rats. Finally, citicoline significantly attenuates substantia nigra (SN) dopaminergic cell dropout and tyrosine hydroxylase immunoreactivity in the ipsilateral striatum in rats injected intrastriatally with 6-hydroxydopamine (6-OHDA).

UI MeSH Term Description Entries
D008297 Male Males
D009447 Neuroblastoma A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51) Neuroblastomas
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D003566 Cytidine Diphosphate Choline Donor of choline in biosynthesis of choline-containing phosphoglycerides. CDP Choline,Citicoline,Cidifos,Citicholine,Cyticholine,Cytidine 5'-Diphosphocholine,5'-Diphosphocholine, Cytidine,Choline, CDP,Choline, Cytidine Diphosphate,Cytidine 5' Diphosphocholine,Diphosphate Choline, Cytidine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000978 Antiparkinson Agents Agents used in the treatment of Parkinson's disease. The most commonly used drugs act on the dopaminergic system in the striatum and basal ganglia or are centrally acting muscarinic antagonists. Antiparkinson Drugs,Antiparkinsonian Agents,Antiparkinsonians,Agents, Antiparkinson,Agents, Antiparkinsonian,Drugs, Antiparkinson
D016627 Oxidopamine A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals. 6-Hydroxydopamine,6-OHDA,Oxidopamine Hydrobromide,Oxidopamine Hydrochloride,6 Hydroxydopamine,Hydrobromide, Oxidopamine,Hydrochloride, Oxidopamine
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines

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