Lineage tracing using Cux2-Cre and Cux2-CreERT2 mice

Gil-Sanz, Cristina, Espinosa, Ana, Fregoso, Santiago P., Bluske, Krista K., Cunningham, Christopher L., Martinez-Garay, Isabel ORCID: https://orcid.org/0000-0001-6849-7496, Zeng, Hongkui, Franco, Santos J. and Müller, Ulrich 2015. Lineage tracing using Cux2-Cre and Cux2-CreERT2 mice. Neuron 86 (4) , pp. 1091-1099. 10.1016/j.neuron.2015.04.019

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Abstract

Using genetic fate-mapping with Cux2-Cre and Cux2-CreERT2 mice we demonstrated that the neocortical ventricular zone (VZ) contains radial glial cells (RGCs) with restricted fate potentials ( Franco et al., 2012). Using the same mouse lines, Guo et al. (2013) concluded that the neocortical VZ does not contain lineage-restricted RGCs. We now show that the recombination pattern in Cux2-Cre/CreERT2 mice depends on genetic background and breeding strategies. We provide evidence that Guo et al. likely reached different conclusions because they worked with transgenic sublines with drifted transgene expression patterns. In Cux2-Cre and Cux2-CreERT2 mice that recapitulate the endogenous Cux2 expression pattern, the vast majority of fate-mapped neurons express Satb2 but not Ctip2, confirming that a restricted subset of all neocortical projection neurons belongs to the Cux2 lineage. This Matters Arising paper is in response to Guo et al. (2013), published in Neuron. See also the Matters Arising Response paper by Eckler et al. (2015), published concurrently with this Matters Arising in Neuron.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > QR Microbiology
Publisher:	Elsevier (Cell Press)
ISSN:	0896-6273
Date of Acceptance:	30 March 2015
Last Modified:	28 Oct 2022 09:23
URI:	https://orca.cardiff.ac.uk/id/eprint/74369

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