NC-1900, an active fragment analog of arginine vasopressin, improves learning and memory deficits induced by β-amyloid protein in rats

Tomoko Tanaka, Kiyofumi Yamada, Kouji Senzaki, Hiroto Narimatsu, Kyoko Nishimura, Tsutomu Kameyama, Toshitaka Nabeshima

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

We have reported that the continuous infusion of β-amyloid protein-(1-40) into the rat cerebral ventricle produces learning and memory deficits accompanied by dysfunction in the cholinergic and dopaminergic systems. l-Pyroglutamyl-l-asparaginyl-l-seryl-l-prolyl-l-arginylglycinamide (NC-1900), an active fragment analog of arginine vasopressin in the rat brain, is a stable peptide with a five-fold longer half-life than that of arginine vasopressin-(4-9). In the present study, we examined the effects of NC-1900 on learning and memory deficits in β-amyloid protein-(1-40)-infused rats. The rats were injected subcutaneously with NC-1900 (0.1 and 1 ng kg-1) once a day throughout the period of behavioral examination. In the β-amyloid protein-infused rats, learning and memory in water maze and passive avoidance tasks were impaired compared with these in the control rats. NC-1900 prevented the learning and memory deficits in β-amyloid protein-infused rats. Moreover, NC-1900 tended to increase the choline acetyltransferase activity in the frontal cortex of the β-amyloid protein-infused rats. These results suggested that NC-1900 could be useful for the treatment of patients with Alzheimer's disease. Copyright (C) 1998 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)135-142
Number of pages8
JournalEuropean Journal of Pharmacology
Volume352
Issue number2-3
DOIs
Publication statusPublished - 10-07-1998
Externally publishedYes

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Amyloidogenic Proteins
Arginine Vasopressin
Memory Disorders
Learning
Cerebral Ventricles
Choline O-Acetyltransferase
NC 1900
Frontal Lobe
Cholinergic Agents
Half-Life
Alzheimer Disease
Peptides
Water
Brain

All Science Journal Classification (ASJC) codes

  • Pharmacology

Cite this

Tanaka, Tomoko ; Yamada, Kiyofumi ; Senzaki, Kouji ; Narimatsu, Hiroto ; Nishimura, Kyoko ; Kameyama, Tsutomu ; Nabeshima, Toshitaka. / NC-1900, an active fragment analog of arginine vasopressin, improves learning and memory deficits induced by β-amyloid protein in rats. In: European Journal of Pharmacology. 1998 ; Vol. 352, No. 2-3. pp. 135-142.
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NC-1900, an active fragment analog of arginine vasopressin, improves learning and memory deficits induced by β-amyloid protein in rats. / Tanaka, Tomoko; Yamada, Kiyofumi; Senzaki, Kouji; Narimatsu, Hiroto; Nishimura, Kyoko; Kameyama, Tsutomu; Nabeshima, Toshitaka.

In: European Journal of Pharmacology, Vol. 352, No. 2-3, 10.07.1998, p. 135-142.

Research output: Contribution to journalArticle

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