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2015 ; 18
(8
): 788-98
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Decellularized kidney in the presence of chondroitin sulfate as a natural 3D
scaffold for stem cells
#MMPMID26557968
Rafighdoust A
; Shahri NM
; Baharara J
Iran J Basic Med Sci
2015[Aug]; 18
(8
): 788-98
PMID26557968
show ga
OBJECTIVES: Use of biological scaffolds and automating the cells directing
process with materials such as growth factors and glycosaminoglycans (GAGs) in a
certain path may have beneficial effects in tissue engineering and regenerative
medicine in future. In this research, chondroitin sulfate sodium was used for
impregnation of the scaffolds. It is a critical component in extracellular matrix
and plays an important role in signaling pathway; however, little is known about
its role within mammalian development and cell linage specification. MATERIALS
AND METHODS: Due to its porous and appropriate structure and for putting cells in
3D space, the kidney of BALB/c mouse was selected and decellulalized using
physical and chemical methods. After decellularization, the scaffold was
impregnated in chondroitin sulfate solution (CS) for 24 hr. Then, 60×10(5) human
adipose-derived mesenchymal stem cells were seeded on the scaffold to assess
their behavior on day 5, 10, 15, 20, and 25. RESULTS: After 48 hr, DAPI staining
approved completed decellularized kidney by 1% SDS (sodium dodecyl sulfate).
Migration and establishment of a number of cells to the remaining area of the
glomerulus was observed. In addition, cell accumulation on the scaffold surface
as well as cells migration to the depth of kidney formed an epithelium-like
structure. Up to the day 15, microscopic study of different days of seeding
showed the gradual adhesion of large number of cells to the scaffold. CONCLUSION:
Glycosaminoglycan could be a right option for impregnation. It is used for
smartification and strengthening of natural scaffolds and induction of some
behaviors in stem cells.