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Neurogenesis and Cortical Expansion

Our lab is interested in understanding the cellular and molecular mechanisms governing the expansion of the cerebral cortex observed across mammalian evolution. The cerebral cortex is the largest structure in the brain and is responsible, among others, for the higher cognitive functions that distinguish humans from other mammals. The extraordinary growth in the size of the cerebral cortex observed across the mammalian evolutionary scale is thought to underlie the concomitant growth in intellectual capacity. This evolutionary expansion of the cerebral cortex is recapitulated during development in higher mammals, when the embryonic cerebral cortex undergoes massive growth in surface area, and folds itself in stereotypic patterns.

In recent years multiple genetic mutations have been identified as the leading cause for mental retardation or impairment of intellectual capacity in humans. These mutations have been consistently linked to defects of cortical development during embryogenesis, and functional studies in rodents have shown that these genes play essential roles in distinct aspects of cortical neuron migration or of cortical folding.

We are interested in the identification and analysis of the basic mechanisms involved in the normal expansion and folding of the cerebral cortex in higher mammals. To study this we combine genetic tools (in vitro and in vivo electroporation, viral vectors, transgenic and knock-out mice), experimental embryology, state-of-the-art imaging techniques and standard histological, cellular and molecular biology methods, using various species as experimental models. Our efforts focus on understanding the diversity of cortical progenitor cells and their molecular regulation underlying the expansion and folding of the cerebral cortex during development.

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Contact Us

Av. Santiago Ramón y Cajal s/n
03550 San Juan de Alicante
Alicante

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