The findings will be published in the Feb. 15 issue of Development.
In this work, the team used gain- and loss-of-function mutations in mice to isolate novel roles for the mouse Cux2 gene in regulating neurogenesis. They established that Cux2 directs neuroblast development, neuronal differentiation, and cell-fate determination in the spinal cord by coupling progression through the cycle of cell division with differentiation of neural cells by direct activation of two key neurogenic determinants, Neurod and p27Kipl.
“We were excited to uncover, for the first time, multiple functional roles for a Cux-like homeodomain transcription factor in regulating key aspects of spinal cord neurogenesis,” said Angelo Iulianella, Ph.D., Senior Research Associate and first author on the publication. “The demonstration that Cux2 integrates cell-cycle progression with neural progenitor differentiation and cell-fate determination provides a much clearer picture of the complex process of neurogenesis.”
“The impact of cell cycle length on the formation of interneurons versus motoneurons was a surprising finding,” said Paul Trainor, Ph.D., Associate Investigator, and senior author on the publication. “Ongoing work involves global proteomic analyses aimed at identifying the complete set of Cux2-interacting partners. We believe these efforts will be essential to understanding how Cux2 elicits its multiple functions during neurogenesis.”
Further analysis of Cux2 will make it possible to extend these findings not only to spinal cord development, but also to the mammalian cortex, where Cux genes demarcate specific upper layers of cortical neurons and may have played a role in the expansion and increased complexity of the cortex during evolution.
Marie Jennings | EurekAlert!
A Map of the Cell’s Power Station
18.08.2017 | Albert-Ludwigs-Universität Freiburg im Breisgau
On the way to developing a new active ingredient against chronic infections
21.08.2017 | Deutsches Zentrum für Infektionsforschung
Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...
Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...
For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...
An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...
A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
16.08.2017 | Event News
04.08.2017 | Event News
26.07.2017 | Event News
21.08.2017 | Materials Sciences
21.08.2017 | Health and Medicine
21.08.2017 | Materials Sciences