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K562 cell growth activity and metabolism characteristics in APA microencapsulated culture and modeling study

Paper ID Volume ID Publish Year Pages File Format Full-Text
25749 43596 2006 10 PDF Available
Title
K562 cell growth activity and metabolism characteristics in APA microencapsulated culture and modeling study
Abstract

Cell microencapsulation is likely to play a major role in cell and transplantation therapies in the next decade. The microcapsules provide a special microenvironment in which cells always have different behaviors compared with free non-encapsulated culture. In this work, the behaviors of K562 leukemia cells were studied once entrapped in solid and liquefied APA microcapsules as well as in free non-encapsulated culture. Glucose pulse culture was employed to characterize the growth and metabolism of microencapsulated K562 cells. And mathematical modeling was presented to develop a basis for the deeper understanding of cells responses to different culture environments. Based on the results of experiments and modeling, it was found that cells presented a better growing pattern and maintain the activity at a higher level for extending time. The concentration of lactate was higher in solid microcapsules culture than that of liquefied microcapsules culture, but the cell number was lower. And the lactate yield coefficients (lactate/glucose) were 0.8129, 0.6978 and 0.601 for free non-encapsulated, solid microcapsules and liquefied microcapsules culture, respectively. An increase of glucose concentration led a decrease of cell activity, The glucose consumption ratio were 99.9%, 86.8%, 49.4% and 28.6% with the decrease in its concentration from 2 to 4, 6, 10 g/L, however, the lactate yield coefficient were 0.7184, 0.6654, 0.8239 and 0.9693, respectively.

Keywords
Microencapsulation; Cell activity; Cell growth and metabolism; Modeling
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 125, Issue 2, 1 September 2006, Pages 242–251
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us