Mitochondrial dysfunction and oxidative stress contribute to cognitive and motor impairment in FOXP1 syndrome
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Abstract
Significance: FOXP1 haploinsufficiency underlies cognitive and motor impairments in individuals with FOXP1 syndrome. Here, we show that mice lacking one Foxp1 copy exhibit similar behavioral deficits, which may be caused by striatal dysfunction. Indeed, Foxp1 +/− striatal medium spiny neurons display reduced neurite branching, and we show altered mitochondrial biogenesis and dynamics; increased mitophagy; reduced mitochondrial membrane potential, structure, and motility; and elevated oxygen species in the striatum of these animals. As FOXP1 is highly conserved, our data strongly suggest that mitochondrial dysfunction and excessive oxidative stress contribute to the motor and cognitive impairments seen in individuals with FOXP1 syndrome. Thus, mitochondrial homeostasis is critical for normal development and can explain deficits in neurodevelopmental disorders.
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Notable perturbation-specific gene ontology terms include ribosome assembly (SETD5), mitochondrion organization (FOXP1), lipid homoeostasis (IRF2BPL), autophagosome maturation (KAT2B), and cilium development (MECP2).
“Some notable examples include the gene ontology terms ribosome assembly (SETD5 perturbation)36, mitochondrion organization (FOXP1 perturbation)37, lipid homoeostasis (IRF2BPL perturbation)38, autophagosome maturation (KAT2B perturbation)39 and cilium development (MECP2 perturbation)40.”
From Single-cell brain organoid screening identifies developmental defects in autism (2023) · cites this paper as [37]
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- Authors
- Wang, J., Fröhlich, H., Torres, F. B., Silva, R. L., Poschet, G., Agarwal, A., & Rappold, G. A.
- Affiliations
- University Hospital Heidelberg (DE)
- Chica and Heinz Schaller Foundation (DE)
- Heidelberg University (DE)
- Corresponding author
- Rappold, Gudrun A.
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2022-02-14
- Volume
- 119
- Issue
- 8
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC8872729
- OpenAlex
- W4220792642
- Cited by
- 81
- References
- 90
- Citations by year
- 2026: 12 · 2025: 29 · 2024: 28 · 2023: 8 · 2022: 4
- FWCI
- 10.40
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion, cc-by-nc-nd)
- bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Funders
- Chinese Scholarship Council (#201708230108)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
- Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
- Keywords
- mitochondrial dysfunction, oxidative stress, striatal medium spiny neurons, mitochondrial biogenesis, mitochondrial dynamics, mitophagy, mitochondrial membrane potential, mitochondrial motility, oxygen species, cognitive impairment, motor impairment, neurodevelopmental disorders, mouse model
- MeSH terms
- Autism Spectrum Disorder, Motor Disorders, Animals, Autistic Disorder, Cognition, Disease Models, Animal, Intellectual Disability, Mice, Inbred C57BL, Mitochondria, Motor Activity, Repressor Proteins, Oxidative Stress, Mice, Forkhead Transcription Factors, Neurogenesis, Haploinsufficiency, Neurodevelopmental Disorders
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