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Chondrogenic Differentiation Induction of Adipose-derived Stem Cells by Centrifugal Gravity
Published on: February 24, 2017
Ascorbate-enhanced chondrogenesis of ATDC5 cells.
F M Altaf1, T M Hering, N H Kazmi
1Department of Anatomy, Case Western Reserve University, Cleveland, OH 44106, USA.
European Cells & Materials
|November 11, 2006
Summary
Adding ascorbate to ATDC5 cell cultures significantly speeds up chondrogenesis and hypertrophy. This method simplifies conditions and reduces culture time for studying endochondral bone formation.
Area of Science:
- Biochemistry
- Cell Biology
- Developmental Biology
Background:
- The ATDC5 cell line models endochondral bone formation.
- Current methods require extended culture periods (up to two months) for chondrogenesis and hypertrophy.
Purpose of the Study:
- To simplify chondrogenesis induction in ATDC5 cells.
- To achieve consistent chondrogenesis and hypertrophy in a shorter timeframe.
Main Methods:
- Supplementation of ATDC5 cell cultures with ascorbate.
- Monitoring cell proliferation, chondrogenic nodule formation, and hypertrophic differentiation.
- Immunohistochemistry and mRNA expression analysis (sox9, aggrecan, collagen type II, Col10a1, Runx2, Mmp13).
Main Results:
- Ascorbate shortened the prechondrogenic proliferation phase from 21 to 7 days.
- Increased number and size of cartilaginous nodules were observed.
- Enhanced matrix elaboration and earlier, higher expression of chondrogenic markers (sox9, aggrecan, collagen type II).
- Robust and rapid induction of hypertrophy markers (Col10a1, Runx2, Mmp13) within 7-10 days.
Conclusions:
- Ascorbate addition simplifies ATDC5 cell culture for chondrogenesis studies.
- This modification accelerates chondrogenic and hypertrophic differentiation, reducing overall culture time.
- Enhanced practicality of the ATDC5 cell line for research on endochondral ossification.
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