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Human Bone Marrow-Derived Mesenchymal Stem Cells (HBMSCs) are primary adherent cells isolated from human bone marrow. They exhibit a fibroblast-like morphology and have the capacity to differentiate into various cell types, including osteoblasts, chondrocytes, and adipocytes.

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21 protocols using hbmsc

1

Human Bone Marrow Stem Cell Culture

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The hBMSCs (ScienCell Research Laboratories, Carlsbad, CA, USA) were cultured in a 37 °C incubator with 5% CO2 with full relative humidity. For in vitro experiments, hBMSC incubation was performed with proliferation medium (PM) encompassing minimum essential medium α (α-MEM, Gibco, Carlsbad, CA, USA), 10% (v/v) fetal bovine serum (FBS, ScienCell Research Laboratories), and 100 IU/mL antibiotics (Gibco).
As for osteogenic induction, hBMSC culture was conducted with osteogenic medium (OM) encompassing standard PM, 10 mmol/L β-glycerophosphate, 0.2 mmol/L ascorbic acid, and 100 nmol/L dexamethasone. All other materials were bought from Sigma-Aldrich (St Louis, MO, USA) unless stated otherwise.
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2

Expansion of Human Bone Marrow Stromal Cells

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hBMSCs were purchased from Lonza (donor: 33 Y, male) at Passage 2. These cells were positive for CD44, CD105, and CD90, negative for CD45, CD19, and HLA-DR, and express multipotent capabilities (COA, Lot#0000684888). hBMSCs were plated at 3000 cells/cm2 in growth media containing High-Glucose (4.5 g/L) Dulbecco’s Modified Eagle’s Medium (HG-DMEM) (Life Technologies, CA, USA) supplemented with 10% fetal bovine serum (FBS) (Thermo Fisher Scientific, MA, USA), 1% penicillin streptomycin (PS) (Gibco, NY, USA), and 5 ng/mL basic fibroblast growth factor (bFGF) (PeproTech, NJ, USA) and incubated in a humidified environment (37 °C, 5% CO2). Media was changed at day 1 and day 5, and cells were cultured until 90% confluent, approximately 7 days. Cells were passaged using 0.05% Trypsin–EDTA (Gibco) and the cell suspensions were counted using a hemocytometer. Cells were expanded and banked at Passage 3 and 4 and used for experimentation at Passage 5.
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3

Osteogenic Differentiation of hBMSCs on Peptide-Grafted Surfaces

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Commercially available hBMSCs (Lonza, France) were grown on gelatin coated culture flasks in MSCs growth medium (MSCGM) (Lonza, France), subcultures using trypsin/EDTA 1x (Sigmaaldrich, France) and maintained in a humidified atmosphere containing 5 % CO2 at 37 °C. Modified glass substrate of 1x1 cm² were sterilized with 70 % ethanol and rinsed by PBS, then placed in cell culture plates 24 well. To induce osteogenic differentiation, hBMSCs at passage 4 were seeded on different peptides grafted surfaces at a density of 104 cells/cm2 for 6 h in serum free α-MEM medium (Life technology, France). This allows the interactions between grafted peptides and their cell surface receptors without hassle of serum proteins. Serum-free medium was then removed and replaced with α-MEM medium containing 10 % fetal bovine serum (FBS) and 1 % penicillin/streptomycin. The culture media was changed twice per week during four weeks of cell culture.
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4

Culturing Human Bone Marrow Stem Cells

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Approximately 5 × 105 HBMSCs/mL (ThermoFisher Scientific, Pittsburgh, PA) were cultured in T75 vented cell culture flasks using AdvanceStem Mesenchymal Stem Cell Medium (GE Healthcare Hyclone, Logan, UT) with 10% mesenchymal stem cell growth supplement (GE Healthcare, Malborough, MA) and 1% penicillin and streptomycin (ThermoFisher Scientific) for growth and expansion. Cells were grown in a standard cell culture incubator operating with 5% CO2 at 37°C with 95% humidity. HBMSCs culture expanded to passages 4–6 were utilized for subsequent studies.
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5

Culturing Human Bone Marrow Stromal Cells

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hBMSCs (cat. no. BNCC338194) were obtained from BeNa Culture Collection. hBMSCs were cultured in DMEM (Thermo Fisher Scientific, Inc.) with 100 mg/ml streptomycin and 100 U/ml penicillin (Wuhan Boster Biological Technology, Ltd.) and 10% FBS (Sigma-Aldrich; Merck KGaA). The cells were grown in an incubator at 37˚C and 5% CO2. The medium was replaced every 3 days. The cells were digested using 0.05% EDTA and 0.25% trypsin (Sigma Aldrich; Merck KGaA) and passaged when they filled ~80% of the culture flask. hBMSCs at passage three were used in the present study.
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6

Dopamine-Mediated Cell Adhesion on Biomaterials

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Before cell culture, the samples (scaffolds or Si thin films) are pretreated with dopamine solution [dopamine hydrochloride of 2 mg/ml in 10 mM tris-HCl buffer solution (pH 8.5)] for 30 min at room temperature, creating hydrophilic surfaces (fig. S4) for improved cell adhesion. The scaffolds or Si thin-film samples are placed into well plates, with suspensions of hBMSCs (#7500, ScienCell, Carlsbad, CA, USA) or MC3T3-E1 cells dropped onto sample surfaces. Cells are incubated in cell culture media [high-glucose Dulbecco’s modified Eagle’s medium (DMEM) for hBMSCs and minimum essential medium α (MEMα) for MC3T3-E1 cells], supplemented with 10% fetal bovine serum and 1% penicillin-streptomycin (Thermo Fisher Scientific, Waltham, MA, USA) at 37°C with 5% CO2. Cell morphologies are characterized by an SEM (Zeiss Merlin) and a fluorescence confocal microscope (LSM710, Zeiss) [green: phalloidin staining actin cytoskeleton; blue: nuclei stained with 4′,6-diamidino-2-phenylindole (DAPI)]. Fluorescence images are analyzed with the ImageJ software.
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7

Multipotent hBMSC Culture and Differentiation

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hBMSCs were purchased from Lonza (catalog no.: PT-2501) and grown in MesenPro RS media (Thermo Fisher Scientific; catalog no.: 12746012). Accutase (Thermo Fisher Scientific; catalog no.: A110501) was used as a cell dissociation reagent, and hBMSCs were frozen in supplement-free MesenPro RS media containing 10% dimethyl sulfoxide and 4% human albumin for storage. To induce adipogenic differentiation, cells were grown in adipogenic differentiation medium (Thermo Fisher Scientific; catalog no.: A10410-01). To induce osteoblastic differentiation, cells were grown in complete MesenPro RS media supplemented with 10 mM β-glycerol phosphate (Sigma; catalog no.: 50020), 50 μg/ml ascorbic acid (Sigma; catalog no.: A4403), and 100 nM dexamethasone (Sigma; catalog no.: D4902) or in osteogenic media purchased from Lonza (catalog no.: PT-3924).
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8

Osteogenic Differentiation of Human Bone Marrow Mesenchymal Stem Cells

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Human bone marrow mesenchymal stem cells (hBMSCs) (HUXMA-01001) were purchased from Cyagen Biosciences (Soochow, China). In the standard culture medium (CM) group, the cells were cultured in Dulbecco's Modified Eagle Medium (DMEM, Gibco, USA) supplemented with 100 U/mL penicillin, 10% fetal bovine serum (FBS, Gibco), and 100 μg/mL streptomycin. The cells were incubated at 37 °C in a humidified atmosphere of 5% CO2. For osteogenic induction, hBMSCs were cultured in osteogenic medium (OM), which consisted of Alpha Modified Eagle's Medium (α-MEM) containing 10% FBS, 1% penicillin–streptomycin, 50 ng/mL ascorbic acid, 10 mmol/mL β-glycerophosphate, and 4 ng/mL dexamethasone (Thermo Fisher, USA) [22 (link)]. The medium was changed every 3 days, and the cells were cultured for 14 days for an observation of osteogenic differentiation by alkaline phosphatase (ALP) staining and Alizarin Red staining.
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9

Osteoclast and Osteoblast Cell Culture

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The hBMSCs were purchased from the American Type Culture Collection (ATCC, Manassas, VA, USA). The hBMSCs were maintained in low-glucose Dulbecco’s modified Eagle’s medium (DMEM-LG; Gibco BRL, Rockville, MD, USA) with 10% fetal bovine serum (FBS; Gibco) and 1% penicillin and streptomycin (P/S, Gibco). The BMMs were isolated from C57BL/6 mice (8-week-old) by flushing the bone marrow of the tibiae and femurs. The BMMs were cultured in α-MEM (Gibco) containing 10% FBS, 1% P/S, and 30 ng/mL M-CSF (416-ML/CF, R&D Systems, Minneapolis, MN, USA) for 3 days. Subsequently, adherent cells were used as the osteoclast precursor cells40 (link). The RAW 264.7 cells were obtained from Korean Cell Line Bank (Seoul, Korea) and were cultured with α-MEM (Gibco) containing 10% FBS and 1% P/S. MC3T3-E1 (mouse pre-osteoblasts) cells were purchased from ATCC and maintained in alpha-modified minimum essential medium (Alpha-MEM, Gibco) supplemented with 10% FBS (Gibco) and 1% PS (Gibco). 3′-SL was provided by GeneChem Inc. (Daejeon, Korea).
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10

Isolation and Culture of hASCs and hBMSCs

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Primary hASCs and human bone marrow mesenchymal stem cells (hBMSCs) were obtained from ScienCell Company. Cells were cultured at 37°C in an incubator with 5% CO2 atmosphere and full relative humidity. To minimize the exogenous exosomes, hASCs were cultured in Dulbecco's Modified Eagle Medium (DMEM, Gibco) free of exosomes through ultracentrifugation at 100 000 g overnight with an Optima L‐90K Ultracentrifuge (Beckman Coulter, Inc). For the in vitro experiments, hBMSCs were cultured in proliferation medium (PM), which consisted of minimum essential medium α (α‐MEM, Gibco), 10% (v/v) foetal bovine serum (FBS, ScienCell) and 100 IU/mL antibiotics (Gibco). For osteogenic induction, hBMSCs were cultured in osteogenic medium (OM), which consisted of standard PM supplemented with 10 mmol/L β‐glycerophosphate, 0.2 mmol/L L‐ascorbic acid and 100 nmol/L dexamethasone. All other materials were purchased from Sigma‐Aldrich unless otherwise mentioned, and all experiments conducted with hBMSCs were extracted from three donors (Catalog#15901, #6881, #6890).
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