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

Fangqin Wang; Langping Gao; Xudong Fu; Qintao Yan; Lidan Hu; Jianhua Mao

doi:10.3791/65729

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Biology

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JoVE Journal Biology

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

ヒト人工多能性幹細胞から間葉系間質細胞への分化のための2つの代表的な方法の比較

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06:24 min

October 20, 2023

DOI: 10.3791/65729-v

Fangqin Wang¹, Langping Gao^2,3, Xudong Fu⁴, Qintao Yan², Lidan Hu^1,2, Jianhua Mao^2,3

¹National Clinical Research Center for Child Health,The Children's Hospital, Zhejiang University School of Medicine, ²Department of Nephrology,The Children's Hospital, Zhejiang University School of Medicine, ³Zhejiang University School of Medicine, ⁴Liangzhu Laboratory,Zhejiang University

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Overview

This study explores the differentiation of human induced pluripotent stem cells (hiPSCs) into mesenchymal stromal cells (MSCs) using two distinct methods: the monolayer method and the embryoid bodies (EBs) method. The monolayer method offers cost-effectiveness and simplicity, particularly in osteogenic differentiation, while the EBs method is noted for its reduced time requirements.

Key Study Components

Research Area

Stem cell differentiation
Mesenchymal stromal cells
Human induced pluripotent stem cells

Background

Importance of directed differentiation of iPSCs
Challenges in generating specific cell types from stem cells
Applications in genetic disease models

Methods Used

Monolayer and EBs differentiation methods
Human induced pluripotent stem cells
Flow cytometry for cell characterization

Main Results

Monolayer-derived MSCs showed more calcium deposits compared to EBs-derived MSCs.
Both methods demonstrated similar abilities in adipogenic and chondrogenic differentiation.
hiPSCs maintained proliferation abilities across multiple passages.

Conclusions

The study highlights the effectiveness of both differentiation methods for generating MSCs.
Findings contribute to the understanding and application of stem cell therapies in genetic disorders.

Frequently Asked Questions

What are mesenchymal stromal cells?

Mesenchymal stromal cells (MSCs) are multipotent stem cells that can differentiate into a variety of cell types, including bone, cartilage, and fat cells.

Why is differentiation of hiPSCs important?

Differentiating hiPSCs into specific cell types is crucial for modeling diseases and developing potential therapies.

What advantages do hiPSCs offer in research?

hiPSCs share the same genome as the patient, providing an accurate model for studying genetic diseases.

How do you measure the success of MSC differentiation?

Success is often measured by the expression of specific surface markers and the cells' ability to differentiate into various lineages.

What are the common applications of MSCs?

MSCs are used in regenerative medicine, tissue engineering, and as models for studying disease mechanisms.

What is the role of flow cytometry in this study?

Flow cytometry is used to characterize the surface markers of differentiated cells to confirm their identity as MSCs.

Can both differentiation methods be used interchangeably?

While both methods yield MSCs, their efficiency and specific characteristics might vary, making them suitable for different applications.

このプロトコルでは、ヒトiPS細胞を間葉系間質細胞(MSC)に分化させるための2つの代表的な方法を説明し、比較します。単層法は、低コスト、操作の簡便さ、骨形成の分化の容易さを特徴としています。胚様体(EB)法は、時間消費が少ないという特徴があります。

本研究は、遺伝性疾患のメカニズムと治療戦略の研究です。私たちの研究は、細胞株、iPS細胞、オルガノイド、マウスなどのマルチレベルの疾患モデルに基づいています。iPS細胞には、他のモデルに比べて明確な利点があります。

患者さんのiPS細胞、およびその後の派生細胞やオルガノイドは、患者さんと同じゲノムを共有しているため、多くの疾患の患者細胞やモデルが豊富に揃っています。また、患者さんからのiPS細胞の確立方法もかなり成熟しています。iPS細胞を特定の細胞やオルガノイドに分化させる方向には多くの課題が残されており、現在の開発における発生メカニズムの理解が深まることが現場では起こっています。

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