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6 protocols using human recombinant transforming growth factor β tgf β

1

Isolation and Induction of Regulatory T Cells

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Mouse splenic CD4 + T cell were isolated from spleen by using mouse anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate Treg cells, CD4 + T-cells were cultured with plate-bound anti-mouse CD3 (1 μg/mL; BD Biosciences), soluble anti-mous CD28 (1 μg/mL; BD Biosciences), anti-IFN-γ (2 μg/ml), anti-IL-4 (2 μg/ml), human recombinant transforming growth factor-β (TGF-β; 5 ng/mL; PeproTech, London, UK), and Retinal (0.1 μM; Sigma-Aldrich, St. Louis, MO)(16).
Human CD4 + T cells were isolated from PBMC by using human anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate human Treg cells, human CD4 + T-cells were cultured with plate-bound anti-human CD3 (1 μg/mL), soluble anti-human CD28 (1 μg/mL), anti-IFN-γ (2 μg/ml), anti-IL-4 (2 μg/ml), human recombinant TGF-β (5 ng/mL) and Retinal (0.1 μM).
After three days, the induced Treg cells were stained with CD4, CD25 and then sorted using a MoFlo cell sorter to obtain a ~ 95% pure CD4 + CD25 + population.
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2

Isolation and Induction of Murine and Human Tregs

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Mouse splenic CD4+T cell were isolated from spleen by using mouse anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate Treg cells, CD4+ T-cells were cultured with plate-bound anti-mouse CD3 (1 μg/mL; BD Biosciences), soluble anti-mous CD28 (1 μg/mL; BD Biosciences), anti-IFN-g (2 mg/ml), anti-IL-4 (2 mg/ml), human recombinant transforming growth factor-β (TGF-β; 5 ng/mL; PeproTech, London, UK), and Retinal (0.1 μM; Sigma-Aldrich, St. Louis, MO)(16).
Human CD4+T cells were isolated from PBMC by using human anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate human Treg cells, human CD4+T-cells were cultured with plate-bound anti-human CD3 (1 μg/mL), soluble anti-human CD28 (1 μg/mL), anti-IFN-g (2 mg/ml), anti-IL-4 (2 mg/ml), human recombinant TGF-β (5 ng/mL) and Retinal (0.1 μM).
After three days, the induced Treg cells were stained with CD4, CD25 and then sorted using a MoFlo cell sorter to obtain a ~95% pure CD4+CD25+ population.
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3

Isolation and Expansion of Regulatory T Cells

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Mouse splenic CD4 + T cell were isolated from spleen by using mouse anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate Treg cells, CD4 + T-cells were cultured with plate-bound anti-mouse CD3 (1 µg/mL; BD Biosciences), soluble anti-mous CD28 (1 µg/mL; BD Biosciences), anti-IFN-γ (2 µg/ml), anti-IL-4 (2 µg/ml), human recombinant transforming growth factor-β (TGF-β; 5 ng/mL; PeproTech, London, UK), and Retinal (0.1 µM; Sigma-Aldrich, St. Louis, MO)(16).
Human CD4 + T cells were isolated from PBMC by using human anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate human Treg cells, human CD4 + T-cells were cultured with plate-bound anti-human CD3 (1 µg/mL), soluble anti-human CD28 (1 µg/mL), anti-IFN-γ (2 µg/ml), anti-IL-4 (2 µg/ml), human recombinant TGF-β (5 ng/mL) and Retinal (0.1 µM).
After three days, the induced Treg cells were stained with CD4, CD25 and then sorted using a MoFlo cell sorter to obtain a ~ 95% pure CD4 + CD25 + population.
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4

Isolation and Induction of Murine and Human Tregs

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Mouse splenic CD4+T cell were isolated from spleen by using mouse anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate Treg cells, CD4+ T-cells were cultured with plate-bound anti-mouse CD3 (1 μg/mL; BD Biosciences), soluble anti-mous CD28 (1 μg/mL; BD Biosciences), anti-IFN-g (2 mg/ml), anti-IL-4 (2 mg/ml), human recombinant transforming growth factor-β (TGF-β; 5 ng/mL; PeproTech, London, UK), and Retinal (0.1 μM; Sigma-Aldrich, St. Louis, MO)(16).
Human CD4+T cells were isolated from PBMC by using human anti-CD4 microbeads (Miltenyi Biotec, Germany). To isolate human Treg cells, human CD4+T-cells were cultured with plate-bound anti-human CD3 (1 μg/mL), soluble anti-human CD28 (1 μg/mL), anti-IFN-g (2 mg/ml), anti-IL-4 (2 mg/ml), human recombinant TGF-β (5 ng/mL) and Retinal (0.1 μM).
After three days, the induced Treg cells were stained with CD4, CD25 and then sorted using a MoFlo cell sorter to obtain a ~95% pure CD4+CD25+ population.
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5

TGF-β treatment of MCF10A cells

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Recombinant human transforming growth factor β (TGF-β) was purchased from PeproTech (Rocky Hill, NJ, USA) and reconstituted according to the manufacturer's instructions. The isogenic MCF10A panel presented in Fig. 1A was cultured in vehicle control or 5 ng/ml TGF-β for 72 h before harvest.
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6

Antifibrotic Effects of AKF-PD

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AKF-PD (lot No. 20190810) was purchased from Haikou Pharma (Haikou, China). ATP assays were obtained from Beyotime Biotechnology (Shanghai, China). Recombinant human transforming growth factor-β (TGF-β) was provided by PeproTech (Rocky Hill, USA). MitoSOX Deep Red was purchased from Invitrogen (New York, USA). The following antibodies for immunohistochemistry and western blotting were used: sirtuin 1 (SIRT1), NOX4, E-cadherin, superoxide dismutase 2 (SOD2), and sirtuin 3 (SIRT3) antibodies, which were purchased from Proteintech (San Diego, USA). Other antibodies were from Abcam (Cambridge, UK): collagen I, collagen III, fibronectin (FN), total OXPHOS complexes, and 4-hydroxynonenal (4HNE). Anti-alpha smooth muscle actin (α-SMA) antibody and anti-GAPDH antibody were obtained from Sigma (St. Louis, MO, USA) and Cell Signaling Technology (Boston, MA, USA), respectively. All other chemicals were of analytical grade.
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