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StemXVivo Mesenchymal Stem Cell Expansion Media Summary
Kit Summary
A complete, fetal bovine serum-containing media formulated and optimized for the maintenance and expansion of purified human, mouse, and rat MSCs.
Key Benefits
- Formulated to reduce variation
- All components, including fetal bovine serum, were selected and optimized for MSCs
- Ready to use
Why Culture MSCs in a Defined Medium?
Mesenchymal stem/stromal cells (MSCs) are a rare population of multipotent cells that can be derived from a number of tissues such as bone marrow, adipose, and placenta.
Given their rarity and sensitivity to ex vivo conditions, MSCs are most often expanded in vitro under specific culture conditions.
StemXVivo® MSC Expansion Media:
- Supports reproducible MSC growth in vitro.
- Can be supplemented with user-defined cytokines and growth factors, although these are not needed for culture
- Has been developed and optimized for use with human, mouse, and rat MSCs.
Mesenchymal Stromal Cells or Mesenchymal Stem Cells?
The term ‘mesenchymal stromal cells’ is commonly used to describe a heterogeneous population of cultured cells that are adherent to plastic, have a distinct morphology, and express a specific set of marker proteins. Within this heterogeneous population are cells referred to as ‘mesenchymal stem cells.’
Mesenchymal stem cells are multipotent, self-renewing cells that have the ability to differentiate into adipocytes, chondrocytes, and osteoblasts when cultured in vitro. Read More about MSC Nomenclature
StemXVivo® MSC Expansion Media Components
Supplied in a 250 mL volume, this medium contains high quality factors to support MSC expansion in vitro.
- Supplemented with sodium bicarbonate
- Does not contain antibiotics
Data Examples
 | Phenotypic Analysis of Human MSCs Expanded in StemXVivo® MSC Expansion Media. Human MSCs were expanded using StemXVivo® Mesenchymal Stem Cell (MSC) Expansion Media (Catalog # CCM004). Filled histograms indicate cells stained with markers of undifferentiated MSCs including anti-CD105 (Catalog # FAB10971P) or CD45 (Catalog # MAB1430). The open histograms show isotype-matched control staining. MSCs appropriately lack expression of CD45. |
 | Phenotypic Analysis of Mouse MSCs Expanded in StemXVivo® MSC Expansion Media. Mouse MSCs were expanded using StemXVivo® Mesenchymal Stem Cell (MSC) Expansion Media (Catalog # CCM004). Filled histograms indicate cells stained with markers of undifferentiated MSCs including anti-CD44 (Catalog # AF6127) or CD45 (Catalog # MAB114). The open histograms show isotype-matched control staining. MSCs appropriately lack expression of CD45. |
2006 Proposed Change to MSC Nomenclature
Although mesenchymal stromal cells were once referred to as ‘mesenchymal stem cells’, a change to ‘mesenchymal stromal cells’ was proposed by the International Society for Cellular Therapy in 2006.1
The change in nomenclature originates from two important factors:
- Methods used to isolate mesenchymal stem cells yield a heterogeneous population of cells with only a fraction of these cells demonstrating multipotency.
- The absence of direct evidence that mesenchymal stem cells can self-renew and differentiate in vivo.
Use of Mesenchymal Stem and Stromal Cell Terminology
Data supporting MSC self-renewal and multipotency have been obtained using in vitro conditions, which does not adequately reflect the in vivo environment. The lack of in vivo data has led some researchers to question the validity of the term ‘mesenchymal stem cell’ providing further support for the use of ‘mesenchymal stromal cells’ to describe MSCs.2 While ‘mesenchymal stromal cells’ may be the more scientifically accurate term for MSCs, the two terms are often used interchangeably in the literature. R&D Systems recognizes the use of both mesenchymal stem cells and mesenchymal stromal cells and uses ‘MSC’ to indicate mesenchymal stem/stromal cells to account for both designations.
Definitions of Mesenchymal Stromal Cells and Mesenchymal Stem Cells
- Mesenchymal Stromal Cells – A heterogeneous population of cultured cells with similar characteristics such as the ability to adhere to plastic and the expression of specific marker proteins.
- Mesenchymal Stem Cells – A subpopulation of mesenchymal stromal cells that have the capacity to self-renew and differentiate into mesodermal lineages when cultured in vitro. The capacity to self-renew and differentiate in vivo has yet to be clearly demonstrated for mesenchymal stem cells.
References
- Dominici, M. et al. (2006) Cytotherapy 8:315.
- Keating, A. (2012) Cell Stem Cell 10:709.
The term 'mesenchymal stem cells' (MSCs) is most commonly used to describe multipotent self-renewing cells that can be differentiated in vitro to generate adipocytes, chondrocytes, and osteoblasts. However, because these biological properties and hierarchical relationships remain to be clearly demonstrated in vivo, the term 'multipotent mesenchymal stromal cells' is often used to distinguish cultured cells from their in vivo precursors. Originally discovered in mouse bone marrow, multipotent mesenchymal stromal cells cultured from a variety of species and tissue types, have been shown to differentiate into progeny of additional lineages including, cardiomyocytes, endothelial cells, hepatocytes, and neural cells. Again, the physiological relevance of these findings remains to be determined.
Assay Procedure
Refer to the product datasheet for complete product details.
Briefly, MSCs are cultured in expansion media using the following protocol:
- Plate MSCs in expansion media
- Culture MSCs to 80-90% confluency
- Passage MSCs using fresh expansion media
Reagents Provided
Reagents supplied in the StemXVivo® Mesenchymal Stem Cell Expansion Media (Catalog # CCM004):
- 250 mL of MSC expansion media
Other Supplies Required
Reagents
- Penicillin-Streptomycin (100X)
- Trypsin-EDTA (10X)
- Phosphate-Buffered Saline (PBS)
Materials
- MSCs (e.g., Rat Mesenchymal Stem Cells, Catalog # PSC003)
- 75 cm2 tissue culture flasks
- 15 mL centrifuge tubes
- Serological pipettes
- Pipettes and pipette tips
Equipment
- 37 °C and 5% CO2 incubator
- Centrifuge
- Hemocytometer
- Inverted microscope
- 2 °C to 8 °C refrigerator
- 37 °C water bath
Procedure Overview
This protocol has been tested using bone marrow- and/or adipose tissue-derived MSCs. If using a different tissue source or cell line, the protocol below may need to be modified.
Culturing Mesenchymal Stem Cells
Add 3.5 - 4.0 x 105 MSCs resuspended in 20 mL of the pre-warmed StemXVivo® MSC Expansion Media to a T75 flask.
Replace the medium every 3 days with fresh StemXVivo MSC Expansion Media.
Culture the MSCs to 80-90% confluency.
Subculturing Mesenchymal Stem Cells
Remove and discard the media from the T75 tissue culture flask(s) containing the MSCs.
Wash the cells with PBS.
Add 1-2 mL of pre-warmed trypsin to the MSCs and incubate the flask at 37 °C.
Transfer the dissociated MSCs to a 15 mL conical tube.
Centrifuge at 400 x g for 5 minutes.
Resuspend the cell pellet in 5 mL of StemXVivo® MSC Expansion Media.
Perform a cell count.
Add 3.5-4.0 x 105 MSCs resuspended in 20 mL of pre-warmed StemXVivo® MSC Expansion Media to each T75 flask.
Citations (8)
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Citations are publications that use Bio-techne products. Selected citations for StemXVivo Mesenchymal Stem Cell Expansion Media include:
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Species: Human
Sample Types: Whole Cells
Applications: BioassayKK Brodaczews et al. (2019), Metastatic renal cell carcinoma cells growing in 3D on poly?D?lysine or laminin present a stem?like phenotype and drug resistance Oncol. Rep., 42(5):1878-1892.
PMID: 31545459 -
Species: Human
Sample Types: Whole Cells
Applications: BioassayC Galeano et al. (2018), The Route by Which Intranasally Delivered Stem Cells Enter the Central Nervous System Cell Transplant, 0(0):9636897187545.
PMID: 29756518 -
Species: Mouse
Sample Types: Whole Cells
M Fukuda et al. (2018), SIRT7 has a critical role in bone formation by regulating lysine acylation of SP7/Osterix Nat Commun, 9(1):2833.
PMID: 30026585 -
Species: Mouse
Sample Types: Whole Cells
Applications: BioassayR Fajka-Boja et al. (2018), Increased insulin-like growth factor 1 production by polyploid adipose stem cells promotes growth of breast cancer cells BMC Cancer, 18(1):872.
PMID: 30185144 -
Species: Rat
Sample Types: Whole Cells
Sawitza I et al. (2015), Bile acids induce hepatic differentiation of mesenchymal stem cells. Sci Rep, 5(0):13320.
PMID: 26304833 -
Species: Mouse
Sample Types: Whole Cells
Applications: Cell CultureTibboel et al. (2014), Intravenous and intratracheal mesenchymal stromal cell injection in a mouse model of pulmonary emphysema. COPD, 11(3):310-8.
PMID: 24295402 -
Species: Mouse
Sample Types: Whole Cells
Applications: Cell CultureLai D et al. (2014), Skin-derived mesenchymal stem cells help restore function to ovaries in a premature ovarian failure mouse model. PLoS ONE, 9(5):e98749.
PMID: 24879098 -
Species: Human
Sample Types: Whole Cells
Cui et al. (2012), Dynamic microRNA profiles of hepatic differentiated human umbilical cord lining-derived mesenchymal stem cells. PLoS ONE, 7(9):e44737.
PMID: 22984549
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Customer Reviews (4)
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4 customer ratings
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StemXVivo Mesenchymal Stem Cell Expansion Media
Verified Customer | Posted 04/04/2018 -
StemXVivo Mesenchymal Stem Cell Expansion Media
Verified Customer | Posted 03/23/2018I am working on bone marrow stem cells.StemXVivo MSC expansion medium help to retain the population doubling time from P-4 to P-8 30 hrs to 34 hrs only, where when I culture these MSC in normal alpha MEM after some time cells do not divide/proliferate. -
StemXVivo Mesenchymal Stem Cell Expansion Media
Verified Customer | Posted 12/06/2016 -
StemXVivo Mesenchymal Stem Cell Expansion Media
Verified Customer | Posted 12/06/2016I used this media for my umbilical cord-derived MSC, after speaking with a representative, who gave me a sample. I tried the product because I saw my cells were growing really small in another brand product. After switching, the rate of growth of my cells dramatically increased, and I could not be happier than that!
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FAQs
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Does StemXVivo® Mesenchymal Stem Cell Expansion Media need addition of serum before use?
The StemXVivo® Mesenchymal Stem Cell Expansion Media does not need addition of serum. Fetal bovine serum is included in the product, which is a complete medium and ready to use. The media may be supplemented with cytokine or growth factors for your desired cell culture application.
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Does StemXVivo® Mesenchymal Stem Cell Expansion Media (Catalog # CCM004) contain Phenol Red?
Yes,StemXVivo® Mesenchymal Stem Cell Expansion Media contains Phenol Red.
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How long can Mesenchymal Stem Cells (MSCs) be cultured in StemXVivo® Mesenchymal Stem Cell Expansion Media (Catalog # CCM004)?
MSCs can be grown to 80-90% confluency and subsequently subcultured using the protocol provided in the product datasheet. Researchers should establish the number of passages that is acceptable for their work. MSCs are sensitive to passsages and, if subcultured too many times, may start losing their MSC characteristics. Our MSC Functional Identification Kits can be used for validation of MSC mulitpotency.
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Can Mesenchymal Stem Cells (MSCs) grown in StemXVivo® MSC Expansion Media (Catalog # CCM004) be cryopreserved?
MSCs grown in StemXVivo® MSC Expansion Media can be cryopreserved using appropriate cryopreservation media, such as StemXVivo® Serum-Free MSC Freezing Media (Catalog # CCM016) or equivalent.
