Effect of acute and chronic immobilization stress on plasma levels of nicorandil administered orally to rats. 1994

M Yamori, and R Oishi, and Y Gomita, and K Saeki
Department of Pharmacology, Okayama University Medical School, Japan.

Effects of acute (15h) and chronic (15h x 7 days) immobilization (IM) stress on plasma levels of nicorandil [N-(2-hydroxyethyl) nicotinamide nitrate (ester)] administered orally were examined in rats. The maximum plasma level was reached 30 min after administration. Acute IM stress significantly reduced plasma nicorandil levels both in the absorption and elimination phases (15 min and 2-6h after administration, respectively). Chronic IM stress further intensified the reduction of nicorandil levels in the absorption phase, but attenuated the influence of acute stress in the elimination phase. No significant difference was observed one day after removal of chronic IM stress. These results suggest that chronic IM stress markedly inhibits the absorption of nicorandil, but the distribution, metabolism and excretion were influenced more by acute IM stress.

UI MeSH Term Description Entries
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D008297 Male Males
D009536 Niacinamide An important compound functioning as a component of the coenzyme NAD. Its primary significance is in the prevention and/or cure of blacktongue and PELLAGRA. Most animals cannot manufacture this compound in amounts sufficient to prevent nutritional deficiency and it therefore must be supplemented through dietary intake. Nicotinamide,Vitamin B 3,Vitamin PP,3-Pyridinecarboxamide,Enduramide,Nicobion,Nicotinsäureamid Jenapharm,Papulex,Vitamin B3,3 Pyridinecarboxamide,B 3, Vitamin,B3, Vitamin,Jenapharm, Nicotinsäureamid
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
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
D013315 Stress, Psychological Stress wherein emotional factors predominate. Cumulative Stress, Psychological,Emotional Stress,Individual Stressors,Life Stress,Psychological Cumulative Stress,Psychological Stress Experience,Psychological Stress Overload,Psychologically Stressful Conditions,Stress Experience, Psychological,Stress Measurement, Psychological,Stress Overload, Psychological,Stress Processes, Psychological,Stress, Emotional,Stressful Conditions, Psychological,Psychological Stress,Stress, Psychologic,Stressor, Psychological,Condition, Psychological Stressful,Condition, Psychologically Stressful,Conditions, Psychologically Stressful,Cumulative Stresses, Psychological,Experience, Psychological Stress,Individual Stressor,Life Stresses,Measurement, Psychological Stress,Overload, Psychological Stress,Psychologic Stress,Psychological Cumulative Stresses,Psychological Stress Experiences,Psychological Stress Measurement,Psychological Stress Measurements,Psychological Stress Overloads,Psychological Stress Processe,Psychological Stress Processes,Psychological Stresses,Psychological Stressful Condition,Psychological Stressful Conditions,Psychological Stressor,Psychological Stressors,Psychologically Stressful Condition,Stress Experiences, Psychological,Stress Processe, Psychological,Stress, Life,Stress, Psychological Cumulative,Stressful Condition, Psychological,Stressful Condition, Psychologically,Stressor, Individual
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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