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Human bm mscs

Manufactured by Lonza
Sourced in Switzerland

Human BM-MSCs are mesenchymal stem cells derived from human bone marrow. They are an adherent, plastic-replicating cell type with the capacity for multi-lineage differentiation.

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12 protocols using human bm mscs

1

Isolation and Culture of Human Cell Lines

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Human BM-MSCs were obtained from Lonza (Basel, Switzerland) and were maintained with Mesenchymal Stem Cell Growth Medium (Lonza). The cells between passages 4 and 7 were used for all experiments. MDA-MB-231 cells and MCF7 cells were obtained from the American Type Culture Collection (ATCC, Manassas, VA, USA). MDA-MB-231 cells were cultured in Dulbecco’s modified Eagle medium/high glucose (DMEM/HG; HyClone, Logan, UT, USA), supplemented with 10% heat-inactivated fetal bovine serum (FBS; Thermo Fisher Scientific, Waltham, MA, USA) and 100 U/mL penicillin/streptomycin (P/S; Thermo Fisher Scientific). MCF7 cells were cultured in DMEM/F-12 (1:1) (Thermo Fisher Scientific) supplemented with 10% FBS, 2 mM L-glutamine (Thermo Fisher Scientific) and 100 U/mL P/S. Human umbilical vein endothelial cells (HUVECs; Lonza) were maintained on 0.2% gelatin from a bovine skin (Sigma-Aldrich, St. Louis, MO, USA)-coated dish using Endothelial Cell Growth Media-Plus (Lonza), and HUVECs between passages 4 and 8 were used for all experiments. All of the cells were maintained at 37 °C in a humidified incubator containing 5% CO2.
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2

Bone Marrow Mesenchymal Stem Cell Encapsulation

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Human BM-MSCs used for in vitro viability experiments were obtained
from Lonza, Walkersville, MD. Cells were initially isolated from adult bone
marrow of bilateral iliac crests of normal, non-diabetic volunteers and
cryopreserved after passage 2. Passage 9 cells were encapsulated in
RLP-AM/HA-SH hydrogels at a density of 1 × 106cells/mL.
In vivo experiments were completed using BM-MSCs with demonstrated
success in rabbit vocal fold scar [52 (link)]. Human BM-MSCs were obtained from Waisman Biomanufacturing,
Madison, WI. As previously described [52 (link), 53 (link)], cells were
derived from the iliac crest of a healthy 22-year-old female and expanded
and tested using procedures that met Current Good Manufacturing Practices
(cGMPs) for human clinical trials. Cells were suspended in cold freezing
medium containing PlasmaLyte, 10% rabbit serum albumin, and 2.5% dimethyl
sulfoxide (DMSO) at 2 × 107 cells/mL and cryopreserved in
liquid nitrogen. Passage 6 cells were used in this study. Cells were thawed
just before injection, when they were gently mixed with RLP-AM/HA-SH gel via
pipetting at a final concentration of 3 × 105 cells in 100
μL injection volume.
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3

Human iPSC-MSCs and BM-MSCs Culture

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Human iPSC‐MSCs were derived from iPSCs (iMR90)‐4 (Lian et al. 2010 (link)). Human BM‐MSCs were purchased from the Lonza Walkersville, Inc. (Walkersville, MD). The cells were cultured as monolayers in DMEM (Thermo Scientific, Waltham, MA) supplemented with 10% fetal bovine serum (FBS) (Invitrogen, Carlsbad, CA), 5 ng/mL bFGF (Invitrogen), and 5 ng/mL EGF (Peprotech, Hamburg, Germany).
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4

Bovine Meniscus and Human MSC Culture

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Normal bovine menisci were obtained from fresh bovine knees (Animal Technologies Inc.). To prepare meniscus explants, the avascular region was resected with a scalpel and cut into blocks of approximately 20-mm width. Cylindrical explants, 12-mm in diameter were harvested from the blocks by using a specimen needle and pre-cultured for 2–3 days at 37°C, 5% CO2 until starting the experiment. Human BM-MSCs from 21– 23 years old donors were purchased from Lonza (Walkersville, MD) and cultured in Lonza MSCGM human Mesenchymal Stem Cell Growth BulletKit Medium (basal media for BM-MSCs).
Human meniscus and synovium were harvested from normal human knee joints. Vascular meniscus, avascular meniscus, and synovium were minced and digested separately with 2% collagenase for 12 hours. Synovial mesenchymal stem cells (SYN-MSCs) and meniscus cells were cultured in DMEM with 10% calf serum (CS), 1% penicillin-streptomycin-glutamine (PSG) (basal media for meniscus cells and SYN-MSCs).
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5

Culturing Human Bone Marrow-Derived Mesenchymal Stem Cells

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Human BM‐MSCs were purchased from Lonza (Walkersville, MD, USA) and cultured in 10% FBS α‐MEM under 5% CO2 and 5% O2 at 37°C.
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6

Magnetic Labeling of Bone Marrow Mesenchymal Stem Cells

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Human BMMSCs (Lonza, Basel, Switzerland) were cultured in MSCGM complete medium (Lonza, Basel, Switzerland) at 37°C under a 5% CO2 atmosphere. Fresh medium was replaced every 3 days. BMMSCs between passages 4 to 10 were used in the experiments. For magnetic labeling 30 , 8 nm maghemite nanoparticles were used, synthesized by coprecipitation and stabilized in aqueous suspension by adsorption of citrate. These iron oxide nanoparticles (IONP) were dispersed in serum-free RPMI (Roswell Park Memorial Institute) medium (Sigma, France) supplemented with 5 mM citrate at a final iron concentration of 0.1 mM. BMMSCs underwent a 30-minute incubation with this medium at 37°C. Cells were then rinsed twice in serum-free RPMI medium. In order to allow nanoparticle internalization, cells were incubated for 2 hours with complete medium. Cells were fluorescently labeled with pKH67 green fluorescent dye, following the manufacturer's instructions (Sigma, St. Quentin Fallavier, France), and cultured in complete RPMI medium.
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7

Maintaining Undifferentiated H9-hESCs and Differentiating into M-MSCs

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Maintenance of undifferentiated H9-hESCs and differentiation into M-MSCs (Fig. 1a) were performed as previously described23 (link), 24 (link). The established M-MSCs were cultured with EGM2-MV medium (Lonza, San Diego, CA, USA) on plates coated with rat tail collagen type I (Sigma-Aldrich, St. Louis, MO, USA) in a humidified atmosphere with 5% CO2 at 37 °C. All M-MSCs used in experiments were expanded less than ten passages to ensure multipotency. Characterization of basic features such as surface protein expression, cell proliferation, multipotency (in vitro differentiation into osteogenic, chondrogenic, or adipogenic lineages), in vitro angiogenesis assays, and karyotyping were performed as previously described23 (link), 24 (link). The M-MSC line stably expressing GFP was established by infection of GFP-expressing lentivirus produced as previously described14 (link). Human BM-MSCs purchased from Lonza (Basel, Switzerland) were cultured following the manufacturer’s instructions. Cells expanded for fewer than seven passages were used for experiments to ensure multipotency. All cells were tested for mycoplasm content each month (Mycoplasma Hoechst Stain Kit; 3030000; MP Biomedicals, LLC, Santa Ana, CA, USA).
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8

BM-MSCs Culture and Migration Assay

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Human BM-MSCs were obtained from Lonza (Basel, Switzerland) and cultured in Mesenchymal Stem Cell Growth Medium (Lonza). TrypLE (Invitrogen, Carlsbad, CA, USA) was used for subculture, and the medium was changed every 3 days. For all experiments, BM‐MSCs between passages 5 and 7 were used. Dulbecco's Modified Eagle's medium (DMEM; GE Healthcare Life Sciences, Logan, UT, USA) supplemented with heat-inactivated fetal bovine serum (FBS; Invitrogen), 1% L-glutamine (Invitrogen), and 1% penicillin and streptomycin (P/S; Invitrogen) was used for migration experiments using BM‐MSCs. MDA-MB-231 cells were obtained from the American Type Culture Collection (ATCC; Manassas, VA, USA). MDA-MB-231 cells were cultured in DMEM/high glucose (DMEM/high, GE Healthcare Life Sciences), supplemented with 10% FBS and 1% P/S. MCF7 cells were obtained from the Korean Cell Line Bank (Seoul, South Korea). MCF7 cells were cultured in DMEM:Nutrient Mixture F-12 (DMEM/F-12; 1:1; Invitrogen), supplemented with 10% FBS and 1% P/S. All the cells were maintained at 37 °C in a humidified incubator containing 5% CO2.
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9

Isolation and Expansion of Human Tendon, Bone Marrow, and Skin Cells

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Human tendon samples were obtained from semitendinosus tendon biopsies from 3 volunteers (3 men; mean age, 27 ± 1.4 years) undergoing anterior cruciate ligament reconstruction. The local ethics committee approved the study (PI2014108), and written informed consent was obtained from all donors. Tenocytes were isolated by explant culture as previously described.4 Human BM-MSCs (2 men, 1 woman; mean age, 32 ± 6 years) and skin fibroblasts (2 men, 1 woman; mean age, 39 ± 17 years) (not matched) were purchased from Lonza. The cells were cultured at 37°C in 5% CO2, passaged at subconfluence, and used until passage 3; BM-MSCs were expanded in Dulbecco modified Eagle medium (DMEM) GlutaMAX (Gibco, Life Technologies) with 10% fetal bovine serum (FBS) (Hyclone; GE Healthcare), and skin fibroblasts and tenocytes were expanded in DMEM F12 supplemented with 10% FBS. Trypan blue was used to assess cell viability before plating.
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10

Osteogenic Differentiation of ST2 and BMMSCs

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ST2 cells were maintained in α-minimal essential medium containing 10% fetal bovine serum and 100 units/ml penicillin/streptomycin. Human BMMSCs were purchased from Lonza. Cell culture, and osteogenic differentiation were carried out following the instructions of the manufacturer (Lonza).
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