Abstract
Synovium-derived mesenchymal stem cells (MSCs) offer a promising therapeutic option for cartilage regeneration. The conventional method of MSC isolation involves single-cell suspensions using collagenases. Recently, a nonenzymatic explant technique was developed to isolate MSCs. We compared these techniques in the isolation of functional MSCs. MSCs were isolated from human fibrous and adipose synovium of osteoarthritic patients using explants or enzymatic methods. Total cell number, percentage of MSCs, and surface marker expression of MSCs were measured following expansion. Multipotentiality was determined using a MSC functional identification kit. MSCs isolated from fibrous or adipose synovium using these two techniques expressed similar levels of the surface markers CD44, CD90, and CD105, and displayed similar multipotentiality in generating adipocytes, osteoblasts, and chondrocytes. Total cell number and number of CD34-CD44+CD90+ MSCs after 10-day expansion were similar in each culture, regardless of the source and method used, although the percentage of MSCs was slightly higher in explant cultures. There were no correlations between MSC yield and patient age, Hospital for Special Surgery score, and degree of deformity under all culture conditions. Both the enzymatic and explant techniques yielded similar yields of MSCs with similar characteristics. Because the explant technique is simpler and less invasive, it may be preferred over enzymatic techniques for isolating MSCs from the synovium of osteoarthritic patients for cartilage regeneration.
| Original language | English |
|---|---|
| Pages (from-to) | 226-234 |
| Number of pages | 9 |
| Journal | Connective Tissue Research |
| Volume | 52 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2011 Jun 1 |
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Keywords
- isolation method
- mesenchymal stem cell
- osteoarthritis
- synovium
ASJC Scopus subject areas
- Biochemistry
- Cell Biology
- Molecular Biology
- Orthopedics and Sports Medicine
- Rheumatology
Cite this
Isolation and expansion of synovial CD34-CD44 +CD90+ mesenchymal stem cells : Comparison of an enzymatic method and a direct explant technique. / Lee, Dae Hee; Joo, Seong Dae; Han, Seung Beom; Im, Jisu; Lee, Soon-Hyuck; Sonn, Chung Hee; Lee, Kyung-Mi.
In: Connective Tissue Research, Vol. 52, No. 3, 01.06.2011, p. 226-234.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Isolation and expansion of synovial CD34-CD44 +CD90+ mesenchymal stem cells
T2 - Comparison of an enzymatic method and a direct explant technique
AU - Lee, Dae Hee
AU - Joo, Seong Dae
AU - Han, Seung Beom
AU - Im, Jisu
AU - Lee, Soon-Hyuck
AU - Sonn, Chung Hee
AU - Lee, Kyung-Mi
PY - 2011/6/1
Y1 - 2011/6/1
N2 - Synovium-derived mesenchymal stem cells (MSCs) offer a promising therapeutic option for cartilage regeneration. The conventional method of MSC isolation involves single-cell suspensions using collagenases. Recently, a nonenzymatic explant technique was developed to isolate MSCs. We compared these techniques in the isolation of functional MSCs. MSCs were isolated from human fibrous and adipose synovium of osteoarthritic patients using explants or enzymatic methods. Total cell number, percentage of MSCs, and surface marker expression of MSCs were measured following expansion. Multipotentiality was determined using a MSC functional identification kit. MSCs isolated from fibrous or adipose synovium using these two techniques expressed similar levels of the surface markers CD44, CD90, and CD105, and displayed similar multipotentiality in generating adipocytes, osteoblasts, and chondrocytes. Total cell number and number of CD34-CD44+CD90+ MSCs after 10-day expansion were similar in each culture, regardless of the source and method used, although the percentage of MSCs was slightly higher in explant cultures. There were no correlations between MSC yield and patient age, Hospital for Special Surgery score, and degree of deformity under all culture conditions. Both the enzymatic and explant techniques yielded similar yields of MSCs with similar characteristics. Because the explant technique is simpler and less invasive, it may be preferred over enzymatic techniques for isolating MSCs from the synovium of osteoarthritic patients for cartilage regeneration.
AB - Synovium-derived mesenchymal stem cells (MSCs) offer a promising therapeutic option for cartilage regeneration. The conventional method of MSC isolation involves single-cell suspensions using collagenases. Recently, a nonenzymatic explant technique was developed to isolate MSCs. We compared these techniques in the isolation of functional MSCs. MSCs were isolated from human fibrous and adipose synovium of osteoarthritic patients using explants or enzymatic methods. Total cell number, percentage of MSCs, and surface marker expression of MSCs were measured following expansion. Multipotentiality was determined using a MSC functional identification kit. MSCs isolated from fibrous or adipose synovium using these two techniques expressed similar levels of the surface markers CD44, CD90, and CD105, and displayed similar multipotentiality in generating adipocytes, osteoblasts, and chondrocytes. Total cell number and number of CD34-CD44+CD90+ MSCs after 10-day expansion were similar in each culture, regardless of the source and method used, although the percentage of MSCs was slightly higher in explant cultures. There were no correlations between MSC yield and patient age, Hospital for Special Surgery score, and degree of deformity under all culture conditions. Both the enzymatic and explant techniques yielded similar yields of MSCs with similar characteristics. Because the explant technique is simpler and less invasive, it may be preferred over enzymatic techniques for isolating MSCs from the synovium of osteoarthritic patients for cartilage regeneration.
KW - isolation method
KW - mesenchymal stem cell
KW - osteoarthritis
KW - synovium
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U2 - 10.3109/03008207.2010.516850
DO - 10.3109/03008207.2010.516850
M3 - Article
VL - 52
SP - 226
EP - 234
JO - Connective Tissue Research
JF - Connective Tissue Research
SN - 0300-8207
IS - 3
ER -