Related Experiment Video
Updated: May 8, 2026
10:25
Generation of Standardized and Reproducible Forebrain-type Cerebral Organoids from Human Induced Pluripotent Stem Cells
Published on: January 23, 2018
21.6K
Human dorsal forebrain organoids show differentiation-state-specific protein secretion
Zeynep Yentür1,2,3,4, Theresa Kagermeier2,4, Kseniia Sarieva2,3,4
1The Heidelberg Academy of Sciences and Humanities, Heidelberg, Germany.
Iscience
|July 18, 2025
Summary
Researchers characterized proteome and secretome changes in human neural organoids during development. They found distinct molecular profiles at different timepoints, suggesting synaptic proteins may guide neurogenesis.
Area of Science:
- Neuroscience
- Developmental Biology
- Proteomics
Background:
- The human brain microenvironment changes dynamically during development.
- In vitro models like neural organoids offer insights but require further characterization.
- Understanding these changes is crucial for modeling neurological development and disease.
Purpose of the Study:
- To investigate proteome and secretome dynamics in human dorsal forebrain organoids.
- To characterize changes in neural organoids at key developmental timepoints (days 20, 35, and 50).
- To provide a resource for understanding neural organoid composition and function.
Main Methods:
- Liquid chromatography-mass spectrometry (LC-MS) for proteome and secretome analysis.
- Immunohistochemical analysis to assess cell proliferation and differentiation.
- Differentiation of human induced pluripotent stem cells (hiPSCs) into dorsal forebrain organoids.
Main Results:
- Proteome analysis showed decreased progenitor cell proliferation and increased differentiation over time.
- Secretome analysis revealed distinct molecular profiles at days 20, 35, and 50.
- A notable increase in cell adhesion molecules, synaptic proteins, and proteases was observed at day 35.
Conclusions:
- Neural organoids exhibit dynamic proteome and secretome changes during development.
- The study provides a valuable resource for neural organoid research across different genetic backgrounds.
- Synaptic proteins may play a role in guiding neurogenesis within the developing neural microenvironment.
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