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Funded Grants

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Investigating the role of human-specific brain development in autism using pluripotent stem cells-derived 2D neural cultures and 3D brain organoids

Project Overview

The extraordinary size and folded shape of the human brain makes us the smartest animal on earth. However, it also means many diseases that harm the human brain disrupt cells and structures that are not seen in other animals such as the mouse, and therefore cannot be adequately studied in these animal models. For example, the human brain has a disproportionally large cerebral cortex, compared to mouse and non-human primates. We now know that the evolutionary expansion of the human cortex is driven by a special type of neural stem cells that are abundant in the developing human brain. These neural stem cells are poorly studied because they are very rare in the mouse brain. Autism Spectrum Disorders are complex developmental disorders affecting 1 in 66 children in Canada. Evidence suggests autism has a strong genetic component, and recent efforts have identified a growing list of human genes associated autism. Interestingly, by analyzing the expression levels of these autism genes in different brain cell types, it was revealed that 10% of them are specifically enriched in the special neural stem cells. In the current proposed research, we will directly study the function of these autism genes in human neural stem cells in the dish. To do this, we will grow human stem cells and 3-dimensional brain organoids, and use gene editing tools such as CRISPR to introduce the autism related mutations. We will use these new tools to investigate how autism mutations impact the development and functions of the special neural stem cells in the dish. These elusive stem cells may hold the key to understanding why brain diseases such as autism are so hard to study in animal models. It is only with this understanding can we then develop strategies and medicines to treat these devastating brain diseases.

Principal Investigator

Yun Li , The Hospital for Sick Children

Project Ongoing

Investigating the role of human-specific brain development in autism using pluripotent stem cells-derived 2D neural cultures and 3D brain organoids

  • Program Type

    Capacity building grants

  • Area of research

    Neurodevelopment

  • Disease Area

    Other

  • Competition

    Future Leaders in Canadian Brain Research

  • Province

    Ontario

  • Start Date

    2021

  • Total Grant Amount

    $100,000

  • Health Canada Contribution

    $50,000

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The offices of Brain Canada Foundation are located on the traditional, ancestral territory of the Kanien'kehá:ka Peoples, a place which has long served as a site of meeting and exchange amongst nations.

+1 (514) 989-2989 info@braincanada.ca

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