The Outer Subventricular Zone and Primate-Specific Cortical Complexification
Evolutionary expansion and complexification of the primate cerebral cortex are largely linked to the emergence of the outer subventricular zone (OSVZ), a uniquely structured germinal zone that generates the expanded primate supragranular layers. The primate OSVZ departs from rodent germinal zones in...
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| Veröffentlicht in: | Neuron (Cambridge, Mass.) Mass.), 2015-02, Vol.85 (4), p.683-694 |
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| creator | Dehay, Colette Kennedy, Henry Kosik, Kenneth S. |
| description | Evolutionary expansion and complexification of the primate cerebral cortex are largely linked to the emergence of the outer subventricular zone (OSVZ), a uniquely structured germinal zone that generates the expanded primate supragranular layers. The primate OSVZ departs from rodent germinal zones in that it includes a higher diversity of precursor types, inter-related in bidirectional non-hierarchical lineages. In addition, primate-specific regulatory mechanisms are operating in primate cortical precursors via the occurrence of novel miRNAs. Here, we propose that the origin and evolutionary importance of the OSVZ is related to genetic changes in multiple regulatory loops and that cell-cycle regulation is a favored target for evolutionary adaptation of the cortex.
In this comprehensive overview of the molecular and cellular determinants governing OSVZ progenitor performance in primates, Dehay, Kennedy, and Kosik argue that cell-cycle regulation is an evolutionary determinant responsible for a primate-specific molecular and cellular logic driving primate cortical complexification |
| doi_str_mv | 10.1016/j.neuron.2014.12.060 |
| format | Article |
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| subjects | Animals Behavior Biological Evolution Brain Cell cycle Cell Cycle - physiology Cell division Cerebral Cortex - anatomy & histology Cerebral Cortex - physiology Endangered & extinct species Gene expression Humans Innovations Lateral Ventricles - cytology Lateral Ventricles - physiology Mammals Migration Monkeys & apes Morphology Neurons Primates |
| title | The Outer Subventricular Zone and Primate-Specific Cortical Complexification |
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