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3 protocols using cd34 fitc

1

Phenotypic Characterization of NPSCs

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NPSCs were trypsinised, collected and washed twice with phosphate-buffered saline (PBS). Then, the NPSCs were stained with the following conjugated antibodies: CD29-PE (Biolegend), CD90-FITC (Biolegend), CD44-FITC (Biolegend), CD45-FITC (Santa Cruz) and CD34-FITC (Santa Cruz). An isotype control antibody (Biolegend) was used for each examined antibody. The final antibody concentration was 1 mg/100 mL. After incubating in the dark for 30 min at 37 °C, the cells were washed three times with PBS. Samples were subjected to flow cytometry (Beckman, USA), and the percentage of positive staining was calculated relative to the isotype control staining.
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2

Mesenchymal Stem Cell Characterization

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Neochlorogenic
acids were purchased from Selleck.
CD44-FITC, CD45-FITC, and CD90-FITC were purchased from Biolegend
(United States). CD34-FITC was purchased from Santa Cruz Biotechnology
(United States). Aggrecan, Nrf2, HO-1, Nqo-1, Actin, and Cy3 antibodies
were purchased from Affinity Biosciences (China).
Annexin V-fluorescein
isothiocyanate (FITC)/PI Apoptosis Detection Kit was purchased from
KeyGEN BioTECH (China). Reactive oxygen species assay kit and Mitochondrial
Membrane Potential Assay Kit with JC-1 and FITC Phalloidin were purchased
from Solarbio (China). GelMA hydrogel was purchased from Suzhou Yongqinquan
Intelligent Equipment Co., Ltd. Calcein-AM/PI Double Stain Kit was
purchased from Beyotime Biotechnology (China). 4′,6-Diamidino-2-phenylindole
(DAPI) and Cell Counting KIT 8 was purchased from Biosharp (China).
DMEM/F12 and fetal bovine serum were purchased from Procell (China).
Osteogenesis, adipogenesis, and chondrogenesis differentiation kits
were purchased from OriCell(United States). FreeZol reagent kit, Hiscript
II First Strand cDNA Synthesis kit, and SYBR qPCR Master Mix were
purchased from Vazyme Biotech (China).
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3

Immunophenotyping and Functional Analysis of Cells

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DMEM-F12 (Gibco, Grand Island, CA, United States), RPMI-1640 (Gibco), fetal bovine serum (FBS) (Biowest, Loire Valley, France), gel preparation kit (SDS-PAGE) (Boster, Suzhou, China), reverse transcription kit (Thermo Scientific, Massachusetts, MN, United States), SYBR Green kit (TaKaRa, Japan), antibodies against CD34 (FITC) (Santa Cruz Biotechnology, Santa Cruz, CA, United States), CD29 (PE), CD45 (PE), CD90 (FITC), RT1A (PE), RT1B (FITC) (Biolegend, San Diego, CA, USA), CD4 (FITC), CD25 (PE), FoxP3 (PE-Cyanine5) (eBioscience Inc, San Diego, CA, United States), Heme Oxygenase 1 (HO-1) (Abcam, Cambridge, United Kingdom), and CXCR3 (Affinity Bioreagent, United States), YAC-1 (Chinese Academy of Medical Sciences, Beijing, China), AD-Hmox1 (Shanghai Genechem Co. Ltd, Shanghai, China), AD-fusion gene (CXCR3/HO-1) (Shanghai Genechem Co. Ltd), and interleukin (IL)-2, IL-6, IL-10, IL-17, IL-23, tumor necrosis factor (TNF)-β, interferon (IFN)-γ, transforming growth factor (TGF)-β, and diamine oxidase (DAO) enzyme-linked immunosorbent assay (ELISA) kits (R&D Systems, Minneapolis, MN, United States) were employed in this study, as was HRP polymer (Jinmai Gene, Tianjin, China).
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