[Intraocular tissue accumulation during and after consecutive instillation of 1.0% AA-673 anti-allergic agent ophthalmic solution for 21 days in rabbit eyes].
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Aminopyridines↗
Biomedical subjects
Y Ikejiri
Publications and source records attributed to Y Ikejiri.
[Studies on intraocular penetration of NY-198 (Lomefloxacin) eye drops].
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4-Quinolones↗
A new approach to absorptive function of gallbladder.
To investigate the mechanism of concentration of bile, the normal canine gallbladders were cannulated through the cystic duct into the gallbladder neck with polyethylene tube, and hypotonic, isotonic and hypertonic salines as well as hepatic and gallbladder biles were placed in the gallbladder. Low molecular electrolytes such as Na+ and Cl- were transported across the epithelial membrane against water flux. The hepatic bile was decreased markedly in volume and each level of electrolytes including bile acids approached that in the gallbladder bile. The different results were obtained by concentration of the hepatic bile in the gallbladder with chemically induced cholecystitis.
Absorption↗
Ursodeoxycholate - in vitro cholesterol solubility and changes of composition of human gallbladder-bile after oral treatment.
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Adult↗
Age at onset and regional cerebral glucose metabolism in Alzheimer's disease.
This study assessed 46 patients with Alzheimer's disease and 21 aged controls using positron emission tomography. Repeated analyses using a general linear model examined the effect of age at onset on the pattern of the regional cerebral metabolic rate of glucose (rCMRglc). The results showed significant age effects on the rCMRglc in the fronto-temporo-parietal association cortices and retrosplenial areas. Disease duration, overall cognitive severity or normal aging could not account for the effects. The age effects were delineated as a double dissociation, that is, early-onset patients have a more severe reduction of regional glucose metabolism in the association cortices, while late-onset patients show a more prominent metabolic deficit in the paralimbic area.
Age of Onset↗
Regional hypometabolism related to language disturbance in Alzheimer's disease.
To elucidate the nature of language disturbance in Alzheimer's disease (AD) and the cerebral area involved in it, we studied 65 AD patients with the Western Aphasia Battery (WAB) and with 18F-fluorodeoxyglucose and positron emission tomography. Partial correlations were evaluated between the Aphasia Quotient of WAB and regional cerebral glucose metabolism normalized by the mean metabolic rate in the bilateral primary sensorimotor areas after controlling age, sex, education and severity of illness. Language disturbance in AD is accounted for by deficits in the semantic processing of language and is related to glucose hypometabolism in the inferior temporal gyrus and inferior parietal lobule, especially in the dominant side. These results offer further evidence suggesting that the lexico-semantic processing system is mediated in these regions.
Aged↗
A study of remote memory impairment in Alzheimer's disease by using the family line test.
We evaluated remote autobiographical memory impairment in 25 patients with probable Alzheimer's disease (AD) and 25 sex-, age- and education-matched healthy subjects by using a newly developed, highly effective assessment tool for remote memory, the Family Line Test (FLT). The FLT yields a total score, scores for 3 lifetime periods and the duration of remote memory impairment. In the patients with AD, the total score was significantly lower and the duration of remote memory impairment was significantly longer than in the healthy controls. A prominent temporal gradient in remote memory impairment was documented in the patients with AD. The total FLT score and duration of remote memory impairment correlated with recent memory and general cognitive dysfunctions.
Aged↗
Procedural memory in patients with mild Alzheimer's disease.
Motor, perceptual, and cognitive skill learning abilities of mild Alzheimer's disease (AD) patients were compared to sex-, age-, and education-matched controls. We excluded patients who were unable to perform each skill learning task with a predetermined criterion. In those who completed the task, skill learning was as good as in normal controls. On the cognitive and perceptual skill learnings, some of the AD patients, whose cognitive but not declarative memory functions were more severely impaired than in those who completed the whole session, failed to complete the task, while all patients could complete the motor task. These results support that view that patients with mild AD can acquire motor, perceptual, and cognitive skills and that the neural system subserving procedural skill is not related to the neural systems for declarative memory.
Aged↗