ArticleMolecular autism2024
Shank3 deficiency elicits autistic-like behaviors by activating p38α in hypothalamic AgRP neurons.
Article in Molecular autism, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Hypoactivity, abnormal development of dendrites relevant to impaired synaptic transmission of calretinin-expressing interneurons in the medial prefrontal cortex underlies social deficits of mouse model in autism.Translational psychiatry · 2026Article
- Unraveling the Genetic and Molecular Architecture of Autism Spectrum Disorder: Implications for Clinical Genetics and Genomic Diagnostics.International journal of molecular sciences · 2026Review
- SHANK3 Deficiency in AgRP Neurons Inhibits Diet-Induced Obesity by Activating p38α.Neuroscience bulletin · 2026Article
- The Effect of Parental Faecal Microbiome Transplantation from Children with Autism Spectrum Disorder on Behavior and Gastrointestinal Manifestations in the Male Offspring of Shank3 Mice.International journal of molecular sciences · 2025Article
- Article
- Computational Neuroscience's Influence on Autism Neuro-Transmission Research: Mapping Serotonin, Dopamine, GABA, and Glutamate.Biomedicines · 2025Review
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Authors and funding
18 authors at 7 institutions in 3 countries.
Funding
Abstract
backgroundSH3 and multiple ankyrin repeat domains protein 3 (SHANK3) monogenic mutations or deficiency leads to excessive stereotypic behavior and impaired sociability, which frequently occur in autism cases. To date, the underlying mechanisms by which Shank3 mutation or deletion causes autism and the part of the brain in which Shank3 mutation leads to the autistic phenotypes are understudied. The hypothalamus is associated with stereotypic behavior and sociability. p38α, a mediator of inflammatory responses in the brain, has been postulated as a potential gene for certain cases of autism occurrence. However, it is unclear whether hypothalamus and p38α are involved in the development of autism caused by Shank3 mutations or deficiency.
methodsKyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis and immunoblotting were used to assess alternated signaling pathways in the hypothalamus of Shank3 knockout (Shank3
resultsWe found that Shank3 controls stereotypic behavior and sociability by regulating p38α activity in AgRP neurons. Phosphorylated p38 level in hypothalamus is significantly enhanced in Shank3 LIMITATIONS: We demonstrated that SHANK3 regulates the phosphorylated p38 level in the hypothalamus and inactivated p38α in AgRP neurons significantly ameliorates autistic behaviors of Shank3
conclusionsThese results demonstrate that the Shank3 deficiency caused autistic-like behaviors by activating p38α signaling in AgRP neurons, suggesting that p38α signaling in AgRP neurons is a potential therapeutic target for Shank3 mutant-related autism.
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