Cerebrospinal fluid cyclic guanosine 3'5' monophosphate levels in Parkinson's disease. 1998

J A Navarro, and F J Jiménez-Jiménez, and J A Molina, and J Benito-León, and E Cisneros, and T Gasalla, and M Ortí-Pareja, and A Tallón-Barranco, and F de Bustos, and J Arenas
Department of Biochemistry, Hospital Universitario Doce de Octubre, Madrid, Spain.

We measured CSF and plasma levels of cGMP in 22 patients with Parkinson's disease (PD) and in 28 age and sex-matched controls. PD patients had similar plasma cGMP levels than those of controls, although they showed a non-significant trend towards higher CSF cGMP levels (P=0.07). PD patients treated with levodopa showed significantly higher CSF cGMP levels than those not treated with this drug (P<0.01), and controls (P<0.01). However, treatment with dopamine agonists did not influence CSF cGMP levels. Plasma and CSF levels of cGMP did not correlate with age at onset, duration, and severity of PD. These results suggest that changes in the concentration of cGMP in CSF of patients with PD are not related with the disease, but rather with levodopa therapy.

UI MeSH Term Description Entries
D007980 Levodopa The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system. L-Dopa,3-Hydroxy-L-tyrosine,Dopaflex,Dopar,L-3,4-Dihydroxyphenylalanine,Larodopa,Levopa,3 Hydroxy L tyrosine,L 3,4 Dihydroxyphenylalanine,L Dopa
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010300 Parkinson Disease A progressive, degenerative neurologic disease characterized by a TREMOR that is maximal at rest, retropulsion (i.e. a tendency to fall backwards), rigidity, stooped posture, slowness of voluntary movements, and a masklike facial expression. Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of parkinsonism. (Adams et al., Principles of Neurology, 6th ed, p1059, pp1067-75) Idiopathic Parkinson Disease,Lewy Body Parkinson Disease,Paralysis Agitans,Primary Parkinsonism,Idiopathic Parkinson's Disease,Lewy Body Parkinson's Disease,Parkinson Disease, Idiopathic,Parkinson's Disease,Parkinson's Disease, Idiopathic,Parkinson's Disease, Lewy Body,Parkinsonism, Primary
D005260 Female Females
D006152 Cyclic GMP Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed) Guanosine Cyclic 3',5'-Monophosphate,Guanosine Cyclic 3,5 Monophosphate,Guanosine Cyclic Monophosphate,Guanosine Cyclic-3',5'-Monophosphate,3',5'-Monophosphate, Guanosine Cyclic,Cyclic 3',5'-Monophosphate, Guanosine,Cyclic Monophosphate, Guanosine,Cyclic-3',5'-Monophosphate, Guanosine,GMP, Cyclic,Guanosine Cyclic 3',5' Monophosphate,Monophosphate, Guanosine Cyclic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012642 Selegiline A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. Deprenalin,Deprenil,Deprenyl,E-250,Eldepryl,Emsam,Humex,Jumex,L-Deprenyl,Selegiline Hydrochloride,Selegiline Hydrochloride, (R)-Isomer,Selegiline Hydrochloride, (R,S)-Isomer,Selegiline Hydrochloride, (S)-Isomer,Selegiline, (R)-Isomer,Selegiline, (R,S)-Isomer,Selegiline, (S)-Isomer,Selegyline,Yumex,Zelapar,E 250,E250
D018491 Dopamine Agonists Drugs that bind to and activate dopamine receptors. Dopamine Receptor Agonists,Dopaminergic Agonists,Agonists, Dopamine Receptor,Agonists, Dopaminergic,Dopamine Agonist,Dopamine Receptor Agonist,Dopaminergic Agonist,Receptor Agonists, Dopamine,Agonist, Dopamine,Agonist, Dopamine Receptor,Agonist, Dopaminergic,Agonists, Dopamine,Receptor Agonist, Dopamine

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