Evidence map›Paper›PMID 16601997›Full record

ArticlePsychopharmacology2006

Nitric oxide is involved in the memory facilitation induced by spermidine in rats.

Gustavo Petri Guerra, Carlos Fernando Mello, Patricia Dutra Sauzem, Daiane Bolzan Berlese, Ana Flávia Furian, Zuleica Tabarelli, Maribel Antonello Rubin

Abstract read
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Article in Psychopharmacology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.4field-weighted citation impact, top 21% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 41 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Gustavo Petri GuerraDepartamento de Química, Centro de Ciências Naturais e Exatas, Laboratório de Neurotoxicidade e Psicofarmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil, marubin@smail.ufsm.br
Carlos Fernando Mello
Patricia Dutra Sauzem
Daiane Bolzan Berlese
Ana Flávia Furian
Zuleica Tabarelli
Maribel Antonello Rubin
Universidade Federal de Santa Maria · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

rationaleSpermidine (SPD) is an endogenous polyamine that modulates N-methyl-D: -aspartate receptor functions, which has been reported to facilitate memory formation.

objectivesIn the current study, we investigated the involvement of nitric oxide in the facilitatory effect of SPD on the memory of adult male Wistar rats in the inhibitory avoidance task.

resultsThe coadministration of the nonspecific NOS inhibitor N (G) nitro-L: -arginine methyl ester (L: -NAME) (0.1 nmol, intrahippocampus) with spermidine (0.2 nmol), immediately after training, prevented the memory improvement caused by spermidine in the avoidance inhibitory task. Spermidine increased nitrite and nitrate levels (NO(X)) in the hippocampus 30 min after its administration, and L: -NAME coinjection prevented the stimulatory effect of spermidine on NO(X) levels. The systemic injection of 7-nitroindazole (30 mg/kg, i.p.), 30 min before training, impaired memory and did not prevent spermidine-induced increase of NO(X) levels in the hippocampus.

conclusionsThese results suggest that memory enhancement by spermidine is prevented by the nonspecific nitric oxide synthase inhibitor L: -NAME.

Indexed as

AnimalsAvoidance LearningBehavior, AnimalDose-Response Relationship, DrugEnzyme InhibitorsHippocampusIndazolesMaleMemoryNG-Nitroarginine Methyl EsterNitratesNitric OxideNitric Oxide SynthaseNitritesRatsRats, Wistar7-nitroindazoleEnzyme InhibitorsIndazolesNG-Nitroarginine Methyl EsterNitratesNitric OxideNitric Oxide SynthaseNitritesSpermidine

Identifiers

PMID16601997
OpenAlexW2057588481

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.