DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation

Sarah De Clercq, Marc Keruzore, Elodie Desmaris, Charlotte Pollart, Stavroula Assimacopoulos, Julie Preillon, Sabrina Ascenzo, Clinton K. Matson, Melody Lee, Xinsheng Nan, Meng Li, Yasushi Nakagawa, Tino Hochepied, David Zarkower, Elizabeth A. Grove, Eric J. Bellefroid

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Mice that are constitutively null for the zinc finger doublesex and mab-3 related (Dmrt) gene, Dmrt5/Dmrta2, show a variety of patterning abnormalities in the cerebral cortex, including the loss of the cortical hem, a powerful cortical signaling center. In conditional Dmrt5 gain of function and loss of function mouse models, we generated bidirectional changes in the neocortical area map without affecting the hem. Analysis indicated that DMRT5, independent of the hem, directs the rostral-to-caudal pattern of the neocortical area map. Thus, DMRT5 joins a small number of transcription factors shown to control directly area size and position in the neocortex. Dmrt5 deletion after hem formation also reduced hippocampal size and shifted the position of the neocortical/paleocortical boundary. Dmrt3, like Dmrt5, is expressed in a gradient across the cortical primordium. Mice lacking Dmrt3 show cortical patterning defects akin to but milder than those in Dmrt5 mutants, perhaps in part because Dmrt5 expression increases in the absence of Dmrt3. DMRT5 upregulates Dmrt3 expression and negatively regulates its own expression, which may stabilize the level of DMRT5. Together, our findings indicate that finely tuned levels of DMRT5, together with DMRT3, regulate patterning of the cerebral cortex.

Original languageEnglish (US)
Pages (from-to)493-509
Number of pages17
JournalCerebral Cortex
Volume28
Issue number2
DOIs
StatePublished - Feb 1 2018

Fingerprint

Hippocampus
Cerebral Cortex
Neocortex
Zinc Fingers
Transcription Factors
Up-Regulation
Genes

Keywords

  • cortical hem
  • hippocampus
  • neocortex
  • neocortical area map
  • transcription factor

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

Cite this

De Clercq, S., Keruzore, M., Desmaris, E., Pollart, C., Assimacopoulos, S., Preillon, J., ... Bellefroid, E. J. (2018). DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation. Cerebral Cortex, 28(2), 493-509. https://doi.org/10.1093/cercor/bhw384

DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation. / De Clercq, Sarah; Keruzore, Marc; Desmaris, Elodie; Pollart, Charlotte; Assimacopoulos, Stavroula; Preillon, Julie; Ascenzo, Sabrina; Matson, Clinton K.; Lee, Melody; Nan, Xinsheng; Li, Meng; Nakagawa, Yasushi; Hochepied, Tino; Zarkower, David; Grove, Elizabeth A.; Bellefroid, Eric J.

In: Cerebral Cortex, Vol. 28, No. 2, 01.02.2018, p. 493-509.

Research output: Contribution to journalArticle

De Clercq, S, Keruzore, M, Desmaris, E, Pollart, C, Assimacopoulos, S, Preillon, J, Ascenzo, S, Matson, CK, Lee, M, Nan, X, Li, M, Nakagawa, Y, Hochepied, T, Zarkower, D, Grove, EA & Bellefroid, EJ 2018, 'DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation', Cerebral Cortex, vol. 28, no. 2, pp. 493-509. https://doi.org/10.1093/cercor/bhw384
De Clercq S, Keruzore M, Desmaris E, Pollart C, Assimacopoulos S, Preillon J et al. DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation. Cerebral Cortex. 2018 Feb 1;28(2):493-509. https://doi.org/10.1093/cercor/bhw384
De Clercq, Sarah ; Keruzore, Marc ; Desmaris, Elodie ; Pollart, Charlotte ; Assimacopoulos, Stavroula ; Preillon, Julie ; Ascenzo, Sabrina ; Matson, Clinton K. ; Lee, Melody ; Nan, Xinsheng ; Li, Meng ; Nakagawa, Yasushi ; Hochepied, Tino ; Zarkower, David ; Grove, Elizabeth A. ; Bellefroid, Eric J. / DMRT5 Together with DMRT3 Directly Controls Hippocampus Development and Neocortical Area Map Formation. In: Cerebral Cortex. 2018 ; Vol. 28, No. 2. pp. 493-509.
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