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Mesencult media

Manufactured by STEMCELL
Sourced in Canada

MesenCult media is a complete culture system designed for the growth and expansion of human mesenchymal stem cells (MSCs) in vitro. It provides a defined, serum-free, and xeno-free environment for the maintenance and differentiation of MSCs.

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6 protocols using mesencult media

1

Isolation and Culture of Mouse Bone Marrow Stromal Cells

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Freshly harvested mouse BM cells were enriched for the CD45neg fraction using anti-CD45 magnetic beads (Miltenyi Biotech), and 1×106 CD45-negative cells were cultured in 6-well adherent tissue culture plates using MesenCult media (Stem Cell Technologies, Vancouver, BC) with 10% FBS. One half of the media was replaced after 7 days and on day 14 cells were stained with Giemsa staining solution (EMD Chemicals, Billerica, MA) and colonies enumerated. For in vitro BM stromal cell culture, CD45-negative BM cells were irradiated at 550 cGy, cultured in mouse MesenCult medium with or without SDF-1 (10 ng/ml) for 3 days, and treated with YM155 (10 ng/ml) or LY294002 (10 nM). To measure the phospho AKT, CD45-negative BM cells were cultured overnight in MesenCult medium, followed by 30 min treatment with SDF-1, and intracellular phospho AKT was measured by flow cytometry. For in vivo experiments, mice were irradiated at 650 cGy, and treated with SDF-1 (100 ug/kg/day) alone or in combination with YM155 (10 mg/kg/day) for 3 days.
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2

Rat Bone Marrow Mesenchymal Stem Cell Isolation

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The MSCs were obtained from three 6-month-old Sprague-Dawley female rats. After cervical dislocation, bone marrow heterogeneous cell population was obtained from femur and tibia by flushing DMEM (Dulbecco's modified Eagle's medium, Invitrogen, Paisley, UK) containing 10% FBS (fetal bovine serum, HyClone, Logan, UT, USA). The isolated MSCs were cultured in plastic culture dishes with MesenCult Media (StemCell Technology, Vancouver, Canada) including 20% supplement (StemCell Technology) and a 1% penicillin/streptomycin solution (HyClone). The cells were cultured in a 5% CO2 incubator at 37°C. The medium of cells was changed twice a week for 14 days.
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3

Colony Formation Assay for BMSCs

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BMSCs were plated into a six well culture plate (SPL) at 1000 cells/well density in Mesencult™ Media (Stem Cell Technologies) at 37 °C under 1% hypoxic conditions and humidity. Half of the medium was changed every three days. After two weeks of culture, the cells were fixed in 10% paraformaldehyde (Sigma) at room temperature for 30 min and stained with 1% crystal violet (Sigma) for 10 min at room temperature. The average number of colonies was counted.
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4

Isolation and Culture of Mouse BMMSCs

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The bone marrow cells were collected from the femurs and tibias of SAMP10 and SAMR1 mice, and the BMMSCs were then cultured as described in our previous report [9 (link)]. Briefly, the BMMSCs were cultured using MesenCult media according to the manufacturer’s instructions (Stem Cell Technology, Vancouver, BC, Canada). After passage, the cells were further cultured in fresh αMEM (Life Technologies Corporation, NY, USA), including 10% FCS and 1% antibiotic-antimycotic solution (Life Technologies). The 3rd passage cells were used for analysis.
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5

Analyzing MSC-Macrophage Interactions

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MSCs and EYFP+ macrophages were allowed to interact for 6 hours and washed with PBS. Using FACS sorting, CD90+ and CD90- cells were isolated, and doublet cells within CD90+ or CD90- cell populations were gated. In addition, EYFP+ macrophage populations within the CD90+/- doublet cells were also gated for further analysis.
Bone marrow from a young mouse (8 weeks) was cultured in a 10 cm plate with MesenCult media (StemCell Technologies) according to protocol. On day 3, bone marrow from a Lyzs-Cre-ROSA-EYFP mouse was cultured with L929 media for seven days using established protocol. On day 10, 3 million EYFP+ macrophages were added per each of the 10cm plates on top of the MSCs of the same animal. After 6 hours, the unbound cells were washed away with PBS, and the cells were stained with CD90 antibody for FCM.
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6

Preparation of hUCB-MSCs Secretome

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Preparation of hUCB-MSCs-derived secretome was conducted as described in a previous study. 12 HUCB-MSCs (3H Biomedical AB, Uppsala, Sweden) was cultured in Mesencult media (StemCell Technologies Inc., Vancouver, Canada) containing penicillin and streptomycin. Upon reaching 80% confluency, the media was replaced with supplement-free media and incubated for 24 hours. The media was collected and centrifuged. Supernatant was used as a conditioned medium contained with hUCB-MSCs-derived secretome.
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