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Modulating human mesenchymal stem cell plasticity using micropatterning technique

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Modulating human mesenchymal stem cell plasticity using micropatterning technique
นักวิจัย : Tijore, Ajay , Wen, Feng , Lam, Chee Ren Ivan , Tay, Chor Yong , Tan, Lay Poh
คำค้น : DRNTU::Engineering::Materials::Biomaterials
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : Papaccio, Gianpaolo
ปีพิมพ์ : 2557
อ้างอิง : Tijore, A., Wen, F., Lam, C. R. I., Tay, C. Y., & Tan, L. P. (2014). Modulating human mesenchymal stem cell plasticity using micropatterning technique. PLoS ONE, 9(11), e113043. , 1932-6203 , http://hdl.handle.net/10220/24387 , http://dx.doi.org/10.1371/journal.pone.0113043
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : PLoS ONE
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

In our previous work, we have reported that enforced elongation of human mesenchymal stem cells (hMSCs) through micropatterning promoted their myocardial lineage commitment. However, whether this approach is robust enough to retain the commitment when subsequently subjected to different conditions remains unsolved. This de-differentiation, if any, would have significant implication on the application of these myocardial-like hMSCs either as tissue engineered product or in stem cell therapy. Herein, we investigated the robustness of micropatterning induced differentiation by evaluating the retention of myocardial differentiation in patterned hMSCs when challenged with non-myocardial differentiation cues. Altogether, we designed four groups of experiments; 1) Patterned hMSCs cultured in normal growth medium serving as a positive control; 2) Patterned hMSCs cultured in normal growth medium for 14 days followed by osteogenic and adipogenic media for next 7 days (to study the robustness of the effect of micropatterning); 3) Patterned hMSCs (initially grown in normal growth medium for 14 days) trypsinized and recultured in different induction media for next 7 days (to study the robustness of the effect of micropatterning without any shape constrain) and 4) Patterned hMSCs cultured in osteogenic and adipogenic media for 14 days (to study the effects of biochemical cues versus biophysical cues). It was found that hMSCs that were primed to commit to myocardial lineage (Groups 2 and 3) were able to maintain myocardial lineage commitment despite subsequent culturing in osteogenic and adipogenic media. However, for hMSCs that were not primed (Group 4), the biochemical cues seem to dominate over the biophysical cue in modulating hMSCs differentiation. It demonstrates that cell shape modulation is not only capable of inducing stem cell differentiation but also ensuring the permanent lineage commitment.

บรรณานุกรม :
Tijore, Ajay , Wen, Feng , Lam, Chee Ren Ivan , Tay, Chor Yong , Tan, Lay Poh . (2557). Modulating human mesenchymal stem cell plasticity using micropatterning technique.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Tijore, Ajay , Wen, Feng , Lam, Chee Ren Ivan , Tay, Chor Yong , Tan, Lay Poh . 2557. "Modulating human mesenchymal stem cell plasticity using micropatterning technique".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Tijore, Ajay , Wen, Feng , Lam, Chee Ren Ivan , Tay, Chor Yong , Tan, Lay Poh . "Modulating human mesenchymal stem cell plasticity using micropatterning technique."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Tijore, Ajay , Wen, Feng , Lam, Chee Ren Ivan , Tay, Chor Yong , Tan, Lay Poh . Modulating human mesenchymal stem cell plasticity using micropatterning technique. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.