Related Experiment Video
Updated: Feb 7, 2026
11:17
Efficient Neural Differentiation using Single-Cell Culture of Human Embryonic Stem Cells
Published on: January 18, 2020
10.9K
Stem cell colony interspacing effect on differentiation to neural cells.
Ramila Joshi1, Brendan Fuller1, Bobak Mosadegh2
1Department of Biomedical Engineering, The University of Akron, Akron, Ohio.
Journal of Tissue Engineering and Regenerative Medicine
|July 31, 2018
Summary
Researchers developed a novel method to improve neural differentiation of embryonic stem cells (ESCs) by arranging them in specific colony pairs. Optimal spacing significantly boosted neural gene and protein expression without external factors.
Area of Science:
- Stem cell biology
- Neuroscience
- Biotechnology
Background:
- Current methods for neural differentiation of stem cells rely on external factors like growth factors or surface modifications.
- Developing intrinsic methods to guide stem cell differentiation is crucial for efficient neural cell derivation.
Purpose of the Study:
- To investigate a novel neurogenic niche for enhancing neural differentiation of embryonic stem cells (ESCs) without external interventions.
- To determine the optimal spatial organization of ESC colonies for promoting neural differentiation.
Main Methods:
- Utilized aqueous two-phase system cell microprinting to create pairs of uniformly sized ESC colonies with defined interspacing.
- Cultured ESC colony pairs over differentiation-inducing stromal cells.
- Analyzed temporal expression of neural genes and proteins.
- Employed a computational model to study the spatial distribution of soluble factors.
Main Results:
- Interspacing ESC colonies at approximately 0.66 times the colony diameter (0.66D) significantly enhanced neural differentiation.
- Cells within optimally spaced colonies showed increased expression of neural genes and proteins.
- Thick neurite bundles were observed forming between the two colonies.
- Computational modeling indicated stable concentration gradients of soluble signaling factors contribute to enhanced differentiation.
Conclusions:
- Culturing ESCs in colony pairs with defined interspacing is an effective strategy for efficient neural cell derivation.
- This micropatterning approach offers a platform for studying the molecular mechanisms regulating stem cell neurogenesis.
Related Concept Videos
01:33Adult Stem Cells
33.9K
Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
33.9K
00:58Embryonic Stem Cells
32.5K
Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
32.5K
00:57Embryonic Stem Cells
5.1K
Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
5.1K
01:13Induced Pluripotent Stem Cells
28.1K
Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
28.1K
01:22iPS Cell Differentiation
3.1K
The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
3.1K
01:24B Cell Activation and Differentiation
16.8K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
16.8K