4.7 Article

Amelioration of Maternal Immune Activation-Induced Autism Relevant Behaviors by Gut Commensal Parabacteroides goldsteinii

Journal

Publisher

MDPI
DOI: 10.3390/ijms232113070

Keywords

autism spectrum disorders; lipopolysaccharides; maternal immune activation; Parabacteroides goldsteinii; next-generation probiotic

Funding

  1. Chang Gung Memorial Hospital [CORPD1J0053, CMRPD1J0333, CMRPD1M0081]
  2. Ministry of Science and Technology (MOST) [109-2320-B-182-034-MY3, 109-2320-B-030-010, 110-2327-B-182-001]
  3. Microbiota Research Center from Chang Gung University
  4. Research Center for Emerging Viral Infections from The Featured Areas Research Center Program within Ministry of Education (MOE) in Taiwan
  5. Ministry of Science and Technology (MOST), Taiwan [MOST 111-2634-F-182-001]

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This study examined the effects of the probiotic strain P. goldsteinii MTS01 on autism spectrum disorder (ASD)-like behaviors in a mouse model. The results showed that P. goldsteinii MTS01 significantly reduced intestinal and systemic inflammation, improved gut health, and regulated multiple signaling pathways in the brain. These findings suggest that P. goldsteinii MTS01 has potential as a next-generation probiotic for ameliorating ASD.
Autism spectrum disorder (ASD) is characterized by cognitive inflexibility and social deficits. Probiotics have been demonstrated to play a promising role in managing the severity of ASD. However, there are no effective probiotics for clinical use. Identifying new probiotic strains for ameliorating ASD is therefore essential. Using the maternal immune activation (MIA)-based offspring ASD-like mouse model, a probiotic-based intervention strategy was examined in female mice. The gut commensal microbe Parabacteroides goldsteinii MTS01, which was previously demonstrated to exert multiple beneficial effects on chronic inflammation-related-diseases, was evaluated. Prenatal lipopolysaccharide (LPS) exposure induced leaky gut-related inflammatory phenotypes in the colon, increased LPS activity in sera, and induced autistic-like behaviors in offspring mice. By contrast, P. goldsteinii MTS01 treatment significantly reduced intestinal and systemic inflammation and ameliorated disease development. Transcriptomic analyses of MIA offspring indicated that in the intestine, P. goldsteinii MTS01 enhanced neuropeptide-related signaling and suppressed aberrant cell proliferation and inflammatory responses. In the hippocampus, P. goldsteinii MTS01 increased ribosomal/mitochondrial and antioxidant activities and decreased glutamate receptor signaling. Together, significant ameliorative effects of P. goldsteinii MTS01 on ASD relevant behaviors in MIA offspring were identified. Therefore, P. goldsteinii MTS01 could be developed as a next-generation probiotic for ameliorating ASD.

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