alexa Niche Induces Dedifferentiation
ISSN: 1948-593X

Journal of Bioanalysis & Biomedicine
Open Access

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Research Article

Niche Induces Dedifferentiation

Puja Sarkar, Aditi Kapoor, Jay Narayan Yadav and Sudhir Kumar*

School of Biotechnology, IGNOU-I2IT Centre of Excellence for Advanced Education and Research, Pune, Maharashtra, India

*Corresponding Author:
Sudhir Kumar
School of Biotechnology
IGNOU-I2IT Centre of Excellence for Advanced Education and Research
P14, Rajiv Gandhi Infotech Park
Phase 1, Hinjewadi, Pune, Maharashtra-411057, India
Tel: +91-20-22933441
Fax: +91-2022934592
E-mail: [email protected]

Received Date: September 25, 2013; Accepted Date: October 23, 2013; Published Date: October 26, 2013

Citation: Sarkar P, Kapoor A, Yadav JN, Kumar S (2013) Niche Induces Dedifferentiation. J Bioanal Biomed 5: 102-107. doi: 10.4172/1948-593X.1000089

Copyright: © 2013 Sarkar P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Background: Niche plays an important role in deciding the fate of the cell. Three dimensional (3-D) cell culture systems can provide conditions for the cells to revert back to de-differentiated state. Here, egg white is used as a scaffold as well as nutritive medium for the 3-D culture, as it provides nutrients for the cells to grow without extra media. In order to compare the growth of spheroids, another model was also taken into account that is gelatin coated plate. The difference between these two models was that the egg white acted as scaffold and provided additional nutrients for the growth of spheroids, while gelatin provided conditions for low attachment only. Method: Low attachment plates were prepared using egg white and gelatin for the spheroids to grow on it. RNA from cells grown on both 2D and 3D culture condition were extracted using trizol method. The concentration of RNA was determined by repeated OD measurements of aliquots at a wavelength of 260 nm and c-DNA was constructed using Fermentas kit. Finally, gene expressions were checked by PCR using thermo cycler. Conclusion: The cells had grown into spheroids on egg white based plate rather than gelatin coated plate. Gene expression was found to be upregulated in cells grown on egg white. Thus, it was proved that the niche provided by the egg white has induced de-differentiation, which leads to the acquisition of a stem cell like properties.


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