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Updated: Apr 23, 2026

Microcontact Printing of Proteins for Cell Biology

Microcontact Printing of Proteins for Cell Biology

Published on: December 5, 2008

Micro-patterned cell-sheets fabricated with stamping-force-controlled micro-contact printing.

Nobuyuki Tanaka¹, Hiroki Ota², Kazuhiro Fukumori²

¹Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan; Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan.

|September 21, 2014

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This study developed an automated system for micro-contact printing to create patterned extracellular matrix (ECM) for multi-cellular sheets. This breakthrough advances regenerative medicine by enabling precise cell arrangement in engineered tissues.

Area of Science:

Biotechnology
Regenerative Medicine
Tissue Engineering

Background:

Cell-sheet engineering is vital for regenerative medicine but limited by uniform cell distribution.
Complex tissues require patterned cell arrangements, driving demand for advanced cell-sheet fabrication techniques.

Purpose of the Study:

To develop a precise method for creating multi-cellular patterned cell sheets.
To overcome challenges in micro-contact printing, specifically polydimethylsiloxane (PDMS) stamp deformability and pattern crushing.

Main Methods:

Assessed PDMS stamp deformability using stiffness measurement with a microscope.
Developed an automated stamping system with a load cell and actuator to control stamping force.
Fabricated an 80-μm-stripe fibronectin pattern on a temperature-responsive cell culture dish using a controlled 0.1 N stamping force.

Keywords:

Cell culture ECM (extracellular matrix)Fibronectin Micropatterning Polydimethylsiloxane Surface treatment

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Last Updated: Apr 23, 2026

Microcontact Printing of Proteins for Cell Biology

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Published on: December 5, 2008

Preparation of Tunable Extracellular Matrix Microenvironments to Evaluate Schwann Cell Phenotype Specification

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Main Results:

Achieved high-quality micro-patterning of extracellular matrix (ECM).
Successfully created a co-culture system with patterned fibroblasts and endothelial cells.
Harvested a multi-cellular patterned cell sheet by reducing temperature to 20 °C.

Conclusions:

The developed automated micro-contact printing method enables high-quality ECM patterning.
This technique is a breakthrough for fabricating multi-cellular patterned cell sheets.
The method holds significant potential for next-generation regenerative medicine and tissue engineering applications.