Analysis of multiple types of human cells subsequent to bioprinting with electrospraying technology

Xin,Yu; Chai,Gang; Zhang,Ting; Wang,Xiangsheng; Qu,Miao; Tan,Andy; Bogari,Melia; Zhu,Ming; Lin,Li; Hu,Qingxi; Liu,Yuanyuan; Zhang,Yan

doi:10.3892/br.2016.790

December-2016 Volume 5 Issue 6

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December-2016 Volume 5 Issue 6

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Article

Analysis of multiple types of human cells subsequent to bioprinting with electrospraying technology

Authors:
- Yu Xin
- Gang Chai
- Ting Zhang
- Xiangsheng Wang
- Miao Qu
- Andy Tan
- Melia Bogari
- Ming Zhu
- Li Lin
- Qingxi Hu
- Yuanyuan Liu
- Yan Zhang
View Affiliations / Copyright

Affiliations: Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China, Rapid Manufacturing Engineering Center, School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, P.R. China, Clinic for Plastic, Hand and Burns Surgery, RWTH Aachen University Hospital, D‑52074 Aachen, Germany
Pages: 723-730
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Published online on: October 25, 2016

https://doi.org/10.3892/br.2016.790
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Abstract

The aim of the present study was to investigate bioprinting with electrospraying technology using multiple types of human cell suspensions as bio-ink, in order to lay the initial foundations for the application of the bioprinting technology in tissue engineering. In the current study, six types of human cells were selected and cultured, including human fibroblasts, human adipose‑derived stem cells (hADSCs), human periodontal ligament cells (HPDLCs), adult human retinal pigment epithelial cells (ARPE‑19), human umbilical vascular endothelial cells (HUVECs) and human gastric epithelial cell line (GES‑1). Each cell type was divided into two groups, the experimental and control group. All the experimental group cells were electrosprayed using an electrospraying printer (voltage, 15 kV; flow rate, 150 µl/min) and collected in a petri dish placed 15 cm away from the needle (needle diameter, 0.5 mm). Subsequently, cell viability was detected by flow cytometry with a Live/Dead Viability kit. In addition, the cell morphological characteristics were observed with a phase‑contrast microscope after 6 h of culturing in order to obtain adherent cells, while cell proliferation was analyzed using a Cell Counting Kit‑8 assay. The control groups, without printing, were subjected to the same procedures as the experimental groups. The results of the cell viability and proliferation assays indicated a statistically significant difference after printing between the experiments and control groups only for the hADSCs (P<0.05); by contrast, no significant difference was observed in cell viability and proliferation for the other five cell types (P>0.05). In addition, there were no observable differences between all experimental and the control groups at any examined time point in the terms of cell morphological characteristics. In conclusion, bioprinting based on electrospraying technology demonstrated no distinct negative effect on cell vitality, proliferation and morphology in the present study, and thus the application of this novel technology to cell printing may provide a promising method in tissue engineering.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Analysis of multiple types of human cells subsequent to bioprinting with electrospraying technology

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