Evidence map›Paper›PMID 32645024›Full record

ArticlePloS one2020

Prenatal exposure to the probiotic Lactococcus lactis decreases anxiety-like behavior and modulates cortical cytoarchitecture in a sex specific manner.

Natalia Surzenko, Eneda Pjetri, Carolyn A Munson, Walter B Friday, Jonas Hauser, Ellen Siobhan Mitchell

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
2.2field-weighted citation impact, top 12% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Pooled it
  2. Review
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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

6 authors at 2 institutions in 2 countries.

Natalia SurzenkoNutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC, United States of America.
Eneda PjetriNutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC, United States of America.
Carolyn A MunsonNutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC, United States of America.
Walter B FridayNutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC, United States of America.
Jonas HauserSociété des Produits Nestlé S.A., Nestlé Research, Lausanne, Switzerland.ORCID 0000-0001-7988-5291
Ellen Siobhan MitchellSociété des Produits Nestlé S.A., Nestlé Research, Lausanne, Switzerland.
University of North Carolina at Chapel Hill · USNestlé (Switzerland) · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Development of the cerebral cortex may be influenced by the composition of the maternal gut microbiota. To test this possibility, we administered probiotic Lactococcus lactis in drinking water to mouse dams from day 10.5 of gestation until pups reached postnatal day 1 (P1). Pups were assessed in a battery of behavioral tests starting at 10 weeks old. We found that females, but not males, exposed to probiotic during prenatal development spent more time in the center of the open field and displayed decreased freezing time in cue associated learning, compared to controls. Furthermore, we found that probiotic exposure changed the density of cortical neurons and increased the density of blood vessels in the cortical plate of P1 pups. Sex-specific differences were observed in the number of mitotic neural progenitor cells, which were increased in probiotic exposed female pups. In addition, we found that probiotic treatment in the latter half of pregnancy significantly increased plasma oxytocin levels in mouse dams, but not in the offspring. These results suggest that exposure of naïve, unstressed dams to probiotic may exert sex-specific long-term effects on cortical development and anxiety related behavior in the offspring.

Indexed as

Lactococcus lactisAnimalsAnimals, NewbornAnxietyCell CountCerebral CortexFearFemaleLearningMaleMiceMice, Inbred C57BLNeuronsOxytocinPregnancyPrenatal Exposure Delayed EffectsOxytocin

Identifiers

PMID32645024
PMCPMC7347133
OpenAlexW3042009132

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.