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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: Blockade of TGF-β signalling alleviates human adipose stem cell senescence induced by native ECM in obesity visceral white adipose tissue

Fig. 1

The properties of ECM in vWAT from lean and obese objects were determined. a Representative image of ECM for Sirius Red stain, immunostained with antibody against type I collagen, and fibronectin. The black arrows indicate staining positive area. Histogram showing the difference of the positive area percentage of Sirius Red, type I collagen, and fibronectin in each field from lean hASCs and obese hASCs. The number of fields was 10–14 in each group, respectively. Data are presented as the means ± SEM. Significant difference by unpaired two-tailed paired t test. Scale bars, 25 μm. b Representative image of ECM for immunostained with antibody against type I collagen (green) and CD31 (red) as well as DAPI nuclear staining (blue). The white arrows indicate staining positive area. Scale bars, 75 μm. c Representative image of ECM for immunostained with antibody against TGF-β1 (green) and CD31 (red) and DAPI nuclear staining (blue). The white arrows indicate staining positive area. Scale bars, 75 μm. vWAT, visceral white adipose tissue

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