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Study M838

Study name

Karen C 2021

Title

Lactobacillus paracasei supplementation prevents early life stress-induced anxiety and depressive-like behavior in maternal separation model-possible involvement of microbiota-gut-brain axis in differential regulation of microRNA124a/132 and glutamate receptors

Overall design

The aim of this study was to investigate stressful social experience in early life by examining how it can induce alterations in the microbiota-gut-brain axis. Maternal separation (MS) was used to construct the depression model. Wistar rats were divided into the following 6 groups (n = 6 in each group): (1) control group, (2) MS group (maternal separation), (3) MS + stranger group (maternal separation with stranger during separation), (4) Lactobacillus paracasei group (no stress and Lactobacillus paracasei supplementation), (5) MS + Lactobacillus paracasei group (maternal separation, with Lactobacillus paracasei supplementation), and (6) MS + stranger + Lactobacillus paracasei group (maternal separation with stranger during separation, with Lactobacillus paracasei supplementation). Maternal separation was carried out for 3 h from postnatal day (PND)-5 to PND-10, and Lactobacillus paracasei was administered via intragastric once per day from PND-5 to PND-16. Fecal samples were used for metabonomic analysis.

Study Type

Type1;

Type2;

Type3;

Data available

Unavailable

Organism

Rat; Wistar rat;

Categories of depression

Animal model; Other animal model; Other animal model;

Healthy individuals; Healthy individuals; Healthy individuals;

Criteria for depression

Tail suspension test

Sample size

36

Tissue

Peripheral; Faece; Faece;

Platform

MS-based; GC-MS: GCMS-QP2020 (Shimadzu PTE LTD, Asia Pacific, Singapore);

PMID

34531716

DOI

10.3389/fnins.2021.719933

Citation

Karen C, Shyu DJH, Rajan KE. Lactobacillus paracasei supplementation prevents early life stress-induced anxiety and depressive-like behavior in maternal separation model-possible involvement of microbiota-gut-brain axis in differential regulation of microRNA124a/132 and glutamate receptors. Front Neurosci. 2021 Aug 31;15:719933.

Metabolite

Oleic acid;

Myristic acid;

Palmitic acid;

Pipecolic acid;

2-Tridecanone;