Evidence map›Paper›PMID 25603489›Full record

ArticleNutritional neuroscience2016

Prenatal protein level impacts homing behavior in Long-Evans rat pups.

L K Fischer, J A McGaughy, S E Bradshaw, W J Weissner, A C Amaral, D L Rosene, D J Mokler, G M Fitzmaurice, J R Galler

Open access · greenAbstract readComparative Study
In one paragraph

Article in Nutritional neuroscience, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
3.4field-weighted citation impact, top 8% 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

5 citing papers in PubMed, 10 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

9 authors at 5 institutions in 1 country.

L K Fischera Judge Baker Children's Center and Department of Psychiatry , Harvard Medical School , Boston , MA , USA.
J A McGaughyb Department of Psychology , University of New Hampshire , Durham , NH , USA.
S E Bradshawa Judge Baker Children's Center and Department of Psychiatry , Harvard Medical School , Boston , MA , USA.
W J Weissnerc Department of Biological Sciences , University of New England , Biddeford , ME , USA.
A C Amarald Department of Anatomy & Neurobiology , Boston University Medical Campus , Boston , MA , USA.
D L Rosened Department of Anatomy & Neurobiology , Boston University Medical Campus , Boston , MA , USA.
D J Moklerc Department of Biological Sciences , University of New England , Biddeford , ME , USA.
G M Fitzmauricee Department of Biostatistics , Harvard School of Public Health , Boston , MA , USA.
J R Gallera Judge Baker Children's Center and Department of Psychiatry , Harvard Medical School , Boston , MA , USA.
Boston University · USHarvard University · USJudge Baker Children's Center · USUniversity of New England · USUniversity of New Hampshire · US

Funding

PRENATAL MALNUTRITION AND MENTAL RETARDATIONP01HD022539 · NICHD · BOSTON UNIVERSITY MEDICAL CAMPUS · PI GALLER, JANINA R. · 1987 to 2003
$6.7M
Transgenerational Effects of Undernutrition on ChildrenR01HD060986 · NICHD · MASSACHUSETTS GENERAL HOSPITAL · PI GALLER, JANINA R. · 2011 to 2015
$4.9M
Malnutrition and Mental Health: A Rat ModelR01MH074811 · NIMH · JUDGE BAKER CHILDREN'S CENTER · PI GALLER, JANINA R. · 2007 to 2011
$1.9M
NICHD NIH HHS P01 HD022539NICHD NIH HHS R01 HD060986NIMH NIH HHS R01 MH074811
6 · The paper itself

Abstract

objectiveThis study assessed the effect of varying prenatal protein levels on the development of homing behavior in rat pups.

methodsLong-Evans rats were fed one of the four isocaloric diets containing 6% (n = 7 litters), 12% (n = 9), 18% (n = 9), or 25% (n = 10) casein prior to mating and throughout pregnancy. At birth, litters were fostered to well-nourished control mothers fed a 25% casein diet during pregnancy, and an adequate protein diet (25% casein) was provided to weaning. On postnatal days 5, 7, 9, 11, and 13, homing behaviors, including activity levels, rate of successful returns to the nest quadrant and latencies to reach the nest over a 3-minute test period were recorded from two starting positions in the home cage. Adult body and brain weights were obtained at sacrifice (postnatal day 130 or 200).

resultsGrowth was impaired in pups whose mothers were fed a 6% or, to a lesser extent, a 12% casein diet relative to pups whose mothers were fed the 18 and 25% casein diets. The 6 and 12% prenatal protein levels resulted in lower activity levels, with the greatest reduction on postnatal day 13. However, only the 6% pups had reduced success and higher latencies in reaching the nest quadrant when compared with pups from the three other nutrition groups. Latency in reaching the nest quadrant was significantly and negatively associated with adult brain weight. DISCUSSION: Home orientation is a sensitive measure of developmental deficits associated with variations in prenatal protein levels, including levels of protein deficiency that do not lead to overt growth failure.

Indexed as

Fetal DevelopmentPrenatal Nutritional Physiological PhenomenaAnimalsBrainCaseinsDietary ProteinsDiet, Protein-RestrictedFemaleGrowth DisordersHoming BehaviorMaleOrgan SizePaternal ExposurePregnancyPregnancy ComplicationsProtein DeficiencyCaseinsDietary ProteinsHoming behaviorMalnutritionPrenatal proteinProtein deficiencyRats

Identifiers

PMID25603489
PMCPMC6310422
OpenAlexW2040273377

What OpenQuestion holds

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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.