Cited by 316Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationCongenital heart defects research

Lhx2 Selector Activity Specifies Cortical Identity and Suppresses Hippocampal Organizer Fate

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Mangale, Vishakha S., Hirokawa, Karla E., Satyaki, Prasad R. V., Gokulchandran, Nandini, Chikbire, Satyadeep, Subramanian, Lakshmi, Shetty, Ashwin S., Martynoga, Ben +6 more·2008·Science

Abstract

The earliest step in creating the cerebral cortex is the specification of neuroepithelium to a cortical fate. Using mouse genetic mosaics and timed inactivations, we demonstrated that Lhx2 acts as a classic selector gene and essential intrinsic determinant of cortical identity. Lhx2 selector activity is restricted to an early critical period when stem cells comprise the cortical neuroepithelium, where it acts cell-autonomously to specify cortical identity and suppress alternative fates in a spatially dependent manner. Laterally, Lhx2 null cells adopt antihem identity, whereas medially they become cortical hem cells, which can induce and organize ectopic hippocampal fields. In addition to providing functional evidence for Lhx2 selector activity, these findings show that the cortical hem is a hippocampal organizer.

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  1. [1]Garcia-Bellido A Ciba Found Symp 1975 0 161 1039909
  2. [10]Lewandoski M Meyers EN Martin GR Cold Spring Harb Symp Quant Biol 1997 62 159 9598348
  3. [34]Diaz-Benjumea FJ Cohen SM Cell 19 11 1993 75 741 8242746

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Authors
Mangale, V. S., Hirokawa, K. E., Satyaki, P. R. V., Gokulchandran, N., Chikbire, S., Subramanian, L., Shetty, A. S., Martynoga, B., Paul, J., Mai, M. V., Li, Y., Flanagan, L. A., Tole, S., & Monuki, E. S.
Affiliations
Swarthmore College (US)
Corresponding author
  • Mangale, Vishakha S.
  • Hirokawa, Karla E.
  • Satyaki, Prasad R. V.
  • Gokulchandran, Nandini
  • Tole, Shubha
  • Monuki, Edwin S.
Venue
Science
Published
2008-01-18
Volume
319
Issue
5861
Pages
304-309
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2100086434
Cited by
316
References
48
Citations by year
2026: 10 · 2025: 8 · 2024: 9 · 2023: 22 · 2022: 13 · 2021: 18 · 2020: 19 · 2019: 18 · 2018: 15 · 2017: 13 · 2016: 17 · 2015: 19 · 2014: 19 · 2013: 32 · 2012: 20
FWCI
6.42
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Wellcome Trust (056684)
  • National Institute on Aging (AG23583, K01AG023583)
  • National Institute of Mental Health (MH02029, K08MH002029)
  • National Institute of Neurological Disorders and Stroke (T32NS007444, K02NS053511, NS-07444, NS053511)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
Keywords
Lhx2, selector genes, neuroepithelium, cortical hem
MeSH terms
Animals, Cell Aggregation, Cerebral Cortex, Chimera, Embryonic Induction, Epithelium, Hippocampus, Mutation, Recombination, Genetic, Telencephalon, Transcription Factors, Prosencephalon, Pyramidal Cells, Mice, Knockout, Homeodomain Proteins, Gene Expression Regulation, Developmental, Dentate Gyrus, Organizers, Embryonic, Neuroepithelial Cells, Mice, Embryonic Stem Cells, LIM-Homeodomain Proteins

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