Cited by 336Genomic variations and chromosomal abnormalitiesGenetics and Neurodevelopmental DisordersGenome Rearrangement Algorithms

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

Dosage-dependent phenotypes in models of 16p11.2 lesions found in autism

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Abstract

Recurrent copy number variations (CNVs) of human 16p11.2 have been associated with a variety of developmental/neurocognitive syndromes. In particular, deletion of 16p11.2 is found in patients with autism, developmental delay, and obesity. Patients with deletions or duplications have a wide range of clinical features, and siblings carrying the same deletion often have diverse symptoms. To study the consequence of 16p11.2 CNVs in a systematic manner, we used chromosome engineering to generate mice harboring deletion of the chromosomal region corresponding to 16p11.2, as well as mice harboring the reciprocal duplication. These 16p11.2 CNV models have dosage-dependent changes in gene expression, viability, brain architecture, and behavior. For each phenotype, the consequence of the deletion is more severe than that of the duplication. Of particular note is that half of the 16p11.2 deletion mice die postnatally; those that survive to adulthood are healthy and fertile, but have alterations in the hypothalamus and exhibit a “behavior trap” phenotype—a specific behavior characteristic of rodents with lateral hypothalamic and nigrostriatal lesions. These findings indicate that 16p11.2 CNVs cause brain and behavioral anomalies, providing insight into human neurodevelopmental disorders.

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Metadata

Authors
Horev, G., Ellegood, J., Lerch, J. P., Son, Y.-E. E., Muthuswamy, L., Vogel, H., Krieger, A. M., Buja, A., Henkelman, R. M., Wigler, M., & Mills, A. A.
Affiliations
  • Cold Spring Harbor Laboratory (US)
  • Hospital for Sick Children (CA)
  • Stanford Medicine (US)
  • Wharton School, University of Pennsylvania, Philadelphia, PA 19104
  • University of Pennsylvania (US)
Venue
Proceedings of the National Academy of Sciences
Published
2011-10-03
Volume
108
Issue
41
Pages
17076-17081
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2052578932
Cited by
330
References
55
Citations by year
2026: 15 · 2025: 10 · 2024: 32 · 2023: 29 · 2022: 17 · 2021: 24 · 2020: 20 · 2019: 22 · 2018: 24 · 2017: 21 · 2016: 20 · 2015: 28 · 2014: 22 · 2013: 16 · 2012: 25
FWCI
13.57
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • ScholarlyCommons (University of Pennsylvania) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genome Rearrangement Algorithms
Keywords
16p11.2, copy number variation, autism spectrum disorder, chromosome engineering, mouse model, 16p11.2 deletion, 16p11.2 duplication, hypothalamus, nigrostriatal lesion, brain architecture, neurodevelopmental disorders, developmental delay, obesity
MeSH terms
Animals, Autistic Disorder, Behavior, Animal, Brain, Chromosome Deletion, Chromosomes, Human, Pair 16, Circadian Rhythm, Disease Models, Animal, Female, Genetic Engineering, Humans, Magnetic Resonance Imaging, Male, Mice, Inbred C57BL, Mice, Mutant Strains, Phenotype, Pregnancy, Gene Dosage, Mice, Transcriptome

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