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3D brown adipogenesis to create “Brown-Fat-in-Microstrands”

Paper ID Volume ID Publish Year Pages File Format Full-Text
5498 394 2016 12 PDF Available
Title
3D brown adipogenesis to create “Brown-Fat-in-Microstrands”
Abstract

The ability of brown adipocytes (fat cells) to dissipate energy as heat shows great promise for the treatment of obesity and other metabolic disorders. Employing pluripotent stem cells, with an emphasis on directed differentiation, may overcome many issues currently associated with primary fat cell cultures. In addition, three-dimensional (3D) cell culture systems are needed to better understand the role of brown adipocytes in energy balance and treating obesity. To address this need, we created 3D “Brown-Fat-in-Microstrands” by microfluidic synthesis of alginate hydrogel microstrands that encapsulated cells and directly induced cell differentiation into brown adipocytes, using mouse embryonic stem cells (ESCs) as a model of pluripotent stem cells, and brown preadipocytes as a positive control. Brown adipocyte differentiation within microstrands was confirmed by immunocytochemistry and qPCR analysis of the expression of the brown adipocyte-defining marker uncoupling protein 1 (UCP1), as well as other general adipocyte markers. Cells within microstrands were responsive to a β-adrenergic agonist with an increase in gene expression of thermogenic UCP1, indicating that these “Brown-Fat-in-Microstrands” are functional. The ability to create “Brown-Fat-in-Microstrands” from pluripotent stem cells opens up a new arena to understanding brown adipogenesis and its implications in obesity and metabolic disorders.

Keywords
Brown fat; Adipocyte; Alginate; Hydrogel; Stem cell; Adipose tissue engineering
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3D brown adipogenesis to create “Brown-Fat-in-Microstrands”
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 75, January 2016, Pages 123–134
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