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Generation of Standardized and Reproducible Forebrain-type Cerebral Organoids from Human Induced Pluripotent Stem Cells
Published on: January 23, 2018
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Trace elements during primordial plexiform network formation in human cerebral organoids
Rafaela C Sartore1, Simone C Cardoso2, Yury V M Lages1
1D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil.
Peerj
|February 15, 2017
Summary
Researchers studied micronutrient distribution in human brain organoids, finding essential elements like iron and zinc are incorporated similarly to developing brains. This research offers insights into neurodevelopmental diseases and metal homeostasis.
Area of Science:
- Neuroscience
- Developmental Biology
- Biochemistry
Background:
- Studying early human brain development is challenging due to limitations with animal models and adult post-mortem tissues.
- Advances in stem cell biology allow for in vitro recapitulation of human telencephalon development.
Purpose of the Study:
- To analyze the incorporation and distribution of essential micronutrients in human cerebral organoids during early development.
- To investigate elemental concentration gradients and interactions within developing brain organoids.
Main Methods:
- Human pluripotent stem cells were differentiated into cerebral organoids.
- Synchrotron radiation X-ray fluorescence was employed to measure elemental composition and distribution.
- Elemental concentrations and gradients were analyzed at different developmental time points (30-45 days).
Main Results:
- Cerebral organoids incorporated key elements (P, S, K, Ca, Fe, Zn) consistent with human brain tissue.
- Observed concentration gradients suggest active regulation of elemental transport across cell membranes.
- Elemental pair analysis revealed changing interaction patterns during development, indicating time-dependent biological processes or compartmentalization.
Conclusions:
- Micronutrient incorporation in human brain organoids mirrors that of developing human brains.
- These findings highlight the importance of specific trace elements in neurodevelopment.
- This model system can aid research into neurodevelopmental disorders linked to disrupted metal homeostasis.
