Related Experiment Video
Updated: Dec 10, 2025
Flow Cytometric Analysis of Multiple Mitochondrial Parameters in Human Induced Pluripotent Stem Cells and Their Neural and Glial Derivatives
Published on: November 8, 2021
A Protocol to Study Mitochondrial Function in Human Neural Progenitors and iPSC-Derived Astrocytes
Gabriela Assis-de-Lemos1, Pítia Flores Ledur2, Karina Karmirian2,3
1Laboratory of Bioenergetics and Mitochondrial Physiology, Institute of Medical Biochemistry Leopoldo de Meis, Center for Health Sciences, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
This study presents protocols for assessing mitochondrial function in human neural cells, crucial for understanding brain disorders. These methods evaluate cellular respiration, calcium dynamics, and enzyme activity to characterize mitochondrial health.
Area of Science:
- Neuroscience
- Cell Biology
- Biochemistry
Background:
- Mitochondrial dysfunction is central to neuropsychiatric and degenerative disorders.
- Astrocytes are vital for brain homeostasis and implicated in neuropathologies.
- Evaluating mitochondrial function in neural cells aids in understanding brain disorder pathophysiology.
Purpose of the Study:
- To describe protocols for generating induced pluripotent stem cell (iPSC)-derived astrocytes.
- To detail methods for evaluating mitochondrial function in human neural cells.
- To characterize dysregulation in oxidative metabolism linked to brain disorders.
Main Methods:
- Generation of iPSC-derived human astrocytes.
- High-resolution respirometry to measure real-time oxygen flux and cellular respiration.
- Fluorometric assessment of mitochondrial calcium dynamics.
- Measurement of mitochondrial hexokinase (mt-HK) enzymatic activity.
Main Results:
- Protocols enable detailed characterization of mitochondrial function in human neural cells.
- High-resolution respirometry assesses cellular respiration in an intact microenvironment.
- Calcium dynamics and mt-HK activity assays provide insights into mitochondrial stress and redox homeostasis.
Conclusions:
- These assays offer a comprehensive approach to evaluating mitochondrial health in neural cells.
- Data from these methods can reflect mitochondrial stress or dysfunction relevant to brain disorders.
- Characterizing mitochondrial function may help define targeted therapies for neuropathologies.
