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Related Experiment Video

Updated: May 7, 2026

Development of an Insert Co-culture System of Two Cellular Types in the Absence of Cell-Cell Contact

Development of an Insert Co-culture System of Two Cellular Types in the Absence of Cell-Cell Contact

Published on: July 17, 2016

Somatic cell transformation into stem cell-like cells induced by different microenvironments.

Jeong Mook Lim¹, Seung Pyo Gong²

¹Department of Agricultural Biotechnology; Seoul National University; Seoul, Korea; WCU Biomodulation Program; Seoul National University; Seoul, Korea.

|September 14, 2013

Summary

Generating stem cell-like cells without genetic manipulation is possible. Specific microenvironments and cell-to-cell interactions can induce pluripotency in differentiated somatic cells, offering a safer alternative to induced pluripotent stem cells (iPSCs).

Keywords:

genetic plasticity immune-specific microenvironment pluripotency somatic cell transformation

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Development of an Insert Co-culture System of Two Cellular Types in the Absence of Cell-Cell Contact

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Comparison of Two Representative Methods for Differentiation of Human Induced Pluripotent Stem Cells into Mesenchymal Stromal Cells

Comparison of Two Representative Methods for Differentiation of Human Induced Pluripotent Stem Cells into Mesenchymal Stromal Cells

Published on: October 20, 2023

Area of Science:

Stem Cell Biology
Regenerative Medicine
Cellular Reprogramming

Background:

Induced pluripotent stem cell (iPSC) technology faces challenges with genetic manipulation and potential tumorigenesis, limiting clinical applications.
Alternative methods for somatic cell reprogramming are being explored to overcome these limitations.
Cell-to-cell interactions and specific microenvironments show promise for inducing cellular plasticity.

Purpose of the Study:

To review the derivation of stem cell-like cells using microenvironmental conditions.
To discuss the technical perspectives and limitations of non-genetic reprogramming methods.
To highlight the potential of niche-induced stem cell-like cells as an alternative to iPSCs.

Main Methods:

Review of previous studies on cell-to-cell interactions and microenvironmental factors for somatic cell reprogramming.
Analysis of cellular properties of niche-induced, ESC-like cells compared to iPSCs and ESCs.
Discussion of technical aspects and limitations of deriving stem cell-like cells without genetic manipulation.

Main Results:

Embryonic stem cell (ESC)-like cells can be derived from somatic cells (ovarian cells, fetal fibroblasts) via cell-cell interaction or microenvironmental factors.
This process does not require genetic manipulation of progenitor cells.
Niche-induced ESC-like cells exhibit distinct properties compared to genetically manipulated iPSCs and standard ESCs.
Terminally differentiated somatic cells can acquire pluripotency-like activity or plasticity under specific conditions.

Conclusions:

Specific microenvironments and cell-to-cell interactions can induce pluripotency-like activity in differentiated somatic cells without genetic manipulation.
This approach offers a potentially safer alternative to iPSC technology by avoiding genetic modification.
Further research into technical perspectives and limitations is needed for clinical feasibility.