4.3 Review

Tools and approaches for analyzing the role of mitochondria in health, development and disease using human cerebral organoids

期刊

DEVELOPMENTAL NEUROBIOLOGY
卷 81, 期 5, 页码 591-607

出版社

WILEY
DOI: 10.1002/dneu.22818

关键词

cerebral organoids; computational models; mitochondria imaging; mitochondrial dyes; reporter fluorescent proteins

资金

  1. National Science Centre, Poland [2019/35/B/NZ3/04383]
  2. SENSEI [FLAG-ERA JTC 2019]

向作者/读者索取更多资源

Mitochondria play a crucial role in neurogenesis, but their specific involvement in human embryonic neurodevelopment and pathology remains unclear. Human-induced pluripotent stem cell-derived cerebral organoids offer a promising model system for studying these processes, allowing for pharmacological and genetic manipulations not feasible in humans. Further advancements in technology and imaging tools can help deepen our understanding of mitochondrial function and its impact on disease processes.
Mitochondria are cellular organelles involved in generating energy to power various processes in the cell. Although the pivotal role of mitochondria in neurogenesis was demonstrated (first in animal models), very little is known about their role in human embryonic neurodevelopment and its pathology. In this respect human-induced pluripotent stem cells (hiPSC)-derived cerebral organoids provide a tractable, alternative model system of the early neural development and disease that is responsive to pharmacological and genetic manipulations, not possible to apply in humans. Although the involvement of mitochondria in the pathogenesis and progression of neurodegenerative diseases and brain dysfunction has been demonstrated, the precise role they play in cell life and death remains unknown, compromising the development of new mitochondria-targeted approaches to treat human diseases. The cerebral organoid model of neurogenesis and disease in vitro provides an unprecedented opportunity to answer some of the most fundamental questions about mitochondrial function in early human neurodevelopment and neural pathology. Largely an unexplored territory due to the lack of tools and approaches, this review focuses on recent technological advancements in fluorescent and molecular tools, imaging systems, and computational approaches for quantitative and qualitative analyses of mitochondrial structure and function in three-dimensional cellular assemblies-cerebral organoids. Future developments in this direction will further facilitate our understanding of the important role or mitochondrial dynamics and energy requirements during early embryonic development. This in turn will provide a further understanding of how dysfunctional mitochondria contribute to disease processes.

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