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Htgf β

Manufactured by Thermo Fisher Scientific
Sourced in United States

The HTGF-β is a laboratory equipment designed for the detection and quantification of transforming growth factor beta (TGF-β) in various sample types. It utilizes a high-throughput, enzyme-linked immunosorbent assay (ELISA) format to provide accurate and reliable measurements of TGF-β levels.

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14 protocols using htgf β

1

T Cell Lineage Specification Protocols

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For polarizations using plate-bound αCD3 + αCD28, tissue culture plates were coated with 5 µg/ml αCD3 (145-2C11; BioLegend) and 5 µg/ml αCD28 (37.51; Tonbo), incubated at 37°C for 4 h, and washed three times immediately before use. For differentiation to Th17 cells, naive CD4+CD62LhighCD44low T cells were incubated with IL-6 (20 ng/ml; Peprotech), hTGF-β (5 ng/ml; Peprotech), αIL-4 (10 µg/ml; 11B11; BioLegend), and αIFN-γ (10 µg/ml; XMG1.2; BioLegend), with or without IL-1β (2–10 ng/ml; Peprotech). For differentiation to Th1 cells, naive CD4+CD62LhighCD44low T cells were incubated with IL-12 (10 ng/ml; Peprotech), IL-2 (50 U/ml; eBioscience), and αIL-4 (10 µg/ml; 11B11; BioLegend), with or without IL-18 (0.3–3 ng/ml; Gibco). Th2 cell differentiation was achieved by incubating naive CD4+CD62LhighCD44low T cells with IL-4 (4 ng/ml; Peprotech), IL-2 (50 U/ml; eBioscience), and αIFN-γ (10 µg/ml; XMG1.2; BioLegend).
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2

Polarization of Naive CD4+ T Cells

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Cell culture treated plates were coated with αCD3 (5μg mL−1) and αCD28 (5μg mL−1) for 3–4 h at 37°C. CD4+CD62Lhi naïve CD4+ T cells were isolated from splenocytes using a Mojosort naïve CD4 T cell isolation kit according to manufacturer’s protocol. Purified naïve T cells were plated in antibody-coated plates with appropriate polarizing conditions for 5 days. T cell were cultured in complete RPMI supplemented with 10% FCS. Cytokine cocktails for in vitro polarization: Th1 – IL-12 (10ng mL−1, peprotech), IL-2 (50U mL−1, peprotech), αIL-4 (10μg mL−1, Biolegend); Th17 – IL-6 (20ng mL−1, peprotech), hTGFβ (5ng mL−1, peprotech), αIL-4 (10μg mL−1, Biolegend), αIFNγ (10μg mL−1, Biolegend), IL-23 (20ng mL−1, Biolegend) and IL-1β (20ng mL−1, peprotech), Th2- IL-4 (4ng mL−1, peprotech), IL-2 (50U mL−1, Biolegend), and αIFNγ (10μg mL−1, Biolegend), Th0 – IL-2 (50U mL−1). For co-culture experiments T cells were rested in 10% RPMI supplemented with IL-2 (10U mL−1) for 36hrs before co-culture.
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3

Polarization of Murine T Helper Cells

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For in vitro T cell assays, naïve (CD4+ CD25 CD44Lo CD62LHi) T cells were purified by bead enrichment and/or flow cytometric sorting from spleens and lymph nodes from the indicated strains of mice prior to stimulation with plate bound anti-CD3 (2.5 µg/ml; UCSF Monoclonal Antibody Core) and anti-CD28 (2 µg/ml; UCSF Monoclonal Antibody Core). In addition, mIL-12 (20ng/ml, Peprotech) and anti-IL-4 (10µg/ml, 11B11:Tonbo) were used for TH1 polarization, while hTGFβ (5ng/ml, Peprotech), mIL-6 (20ng/ml, Peprotech), anti-IL-4 (10µg/ml) and anti-IFNγ (10µg/ml, XMG1.2, UCSF hybridoma core) were used for TH17 polarization. In selected experiments, T cells were labeled with 3 mM CFSE (Invitrogen). siRNA mediated reduction of RIPK3 in Jurkat I9.2 cells (ATCC) was performed using one pulse of 2200 V and 20 ms, using Neon Transfection System (Invitrogen) according to manufacturer’s instructions.
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4

Murine CD4+ T Cell Treg Induction

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CD4+ T cells were isolated from C57/BL6 mouse lymph nodes and spleen using mouse CD3+ T cell enrichment columns (R&D Systems, MN, USA) and CD4+MicroBeads (Miltenyi Biotec) according to the manufacturer’s instructions. Isolated CD4+ T cells were cultured with anti-CD3 (10 µg/mL), anti-CD28 (10 µg/mL) antibodies (Biogems, USA), mIL-2 (5 µg/mL), and hTGF-β (5 µg/mL) (PeproTech, NJ, USA) for 4 days to induce Tregs. On day 4, the Tregs were collected and cultured on the collagen I-coated plate for 18 h. The cells were harvested and stored at −80 °C until use.
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5

Polarization of Murine T Helper Cells

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For in vitro T cell assays, naïve (CD4+ CD25 CD44Lo CD62LHi) T cells were purified by bead enrichment and/or flow cytometric sorting from spleens and lymph nodes from the indicated strains of mice prior to stimulation with plate bound anti-CD3 (2.5 µg/ml; UCSF Monoclonal Antibody Core) and anti-CD28 (2 µg/ml; UCSF Monoclonal Antibody Core). In addition, mIL-12 (20ng/ml, Peprotech) and anti-IL-4 (10µg/ml, 11B11:Tonbo) were used for TH1 polarization, while hTGFβ (5ng/ml, Peprotech), mIL-6 (20ng/ml, Peprotech), anti-IL-4 (10µg/ml) and anti-IFNγ (10µg/ml, XMG1.2, UCSF hybridoma core) were used for TH17 polarization. In selected experiments, T cells were labeled with 3 mM CFSE (Invitrogen). siRNA mediated reduction of RIPK3 in Jurkat I9.2 cells (ATCC) was performed using one pulse of 2200 V and 20 ms, using Neon Transfection System (Invitrogen) according to manufacturer’s instructions.
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6

T Cell Differentiation Protocols

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Naïve CD4 T cells were isolated from mouse spleens and lymph nodes by magnetic bead separation (Miltenyi Biotec) following the manufacturers’ protocols. Cells were cultured in glucose-free RPMI (Gibco) supplemented with 10% heat-inactivated FBS (Corning), 1% penicillin/streptomycin (Gibco), 50μM 2-Mercaptoethanol (Gibco), and either 10mM glucose (Sigma) or 10mM galactose (Sigma). Naïve CD4 T cells were activated with plate-bound anti-CD3e (5μg/ml) and soluble anti-CD28 (2μg/ml) in the presence of mIL-1β (10 ng/ml; R&D Systems), mIL-23 (10ng/ml; R&D Systems), mIL-6 (50ng/ml; R&D Systems), and hTGF-β (5ng/ml; Peprotech) for TH17 cell polarization; mIL-12 (10ng/ml; R&D Systems) for TH1 cell polarization, or TGF-β (10ng/ml; Peprotech) and mIL-2 (10ng/ml; R&D Systems) for Treg polarization. All cells were cultured at 37°C and 5% CO2. TH17 differentiation was verified on day 3 or 4, and cytokine expression on day 5, at which point cells were used for subsequent assays.
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7

Polarization of Naive CD4+ T Cells

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Cell culture treated plates were coated with αCD3 (5μg mL−1) and αCD28 (5μg mL−1) for 3–4 h at 37°C. CD4+CD62Lhi naïve CD4+ T cells were isolated from splenocytes using a Mojosort naïve CD4 T cell isolation kit according to manufacturer’s protocol. Purified naïve T cells were plated in antibody-coated plates with appropriate polarizing conditions for 5 days. T cell were cultured in complete RPMI supplemented with 10% FCS. Cytokine cocktails for in vitro polarization: Th1 – IL-12 (10ng mL−1, peprotech), IL-2 (50U mL−1, peprotech), αIL-4 (10μg mL−1, Biolegend); Th17 – IL-6 (20ng mL−1, peprotech), hTGFβ (5ng mL−1, peprotech), αIL-4 (10μg mL−1, Biolegend), αIFNγ (10μg mL−1, Biolegend), IL-23 (20ng mL−1, Biolegend) and IL-1β (20ng mL−1, peprotech), Th2- IL-4 (4ng mL−1, peprotech), IL-2 (50U mL−1, Biolegend), and αIFNγ (10μg mL−1, Biolegend), Th0 – IL-2 (50U mL−1). For co-culture experiments T cells were rested in 10% RPMI supplemented with IL-2 (10U mL−1) for 36hrs before co-culture.
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8

Th17 Cell Differentiation and Macrophage Crosstalk

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Naive CD4+ T cells isolated by either Miltenyi Biotec or Stemcell Technologies EasyStep Naive CD4+ T cell isolation kit (62 (link)). A total of 1 × 105 T cells were plated per well in a 96-well plate and cocultured with Dynabeads Mouse T-Activator CD3/CD28 (Gibco). Naive CD4+ T cells were in vitro differentiated into Th17 cells in the presence of anti-CD3 (2 μg/mL, Bio X Cell), anti-CD28 (2 μg/mL, Bio X Cell), hTGF-β (2 ng/mL, Peprotech), and IL6 (20 ng/mL, Peprotech). For macrophage/T cell crosstalk assay, after 1 day of Th17 cell differentiation, T cells were subsequently treated with 50 μL of BMDM culture medium in the conditions of M0 (PBS), M1 (LPS + IFN-γ), M2 (IL4+IL13), M1+FexD (20 μM), M1+OCA (10 μM), M2+FexD (20 μM), and M2+OCA (10 μM) for an additional 2 days. IL1β (10 ng/mL) and IL23 (10 ng/mL) were further added as the Th17 cell differentiation positive control. Cells were then incubated with PMA (50 ng/mL, MilliporeSigma) and ionomycin (500 ng/mL, MilliporeSigma) for 1 hour prior to the addition of GolgiPlug (10 μg/mL, BD Biosciences) for an additional 3–4 hours. Cells were then harvested for flow cytometry and qRT-PCR. Cell culture supernatant was collected for ELISA analysis (see Cytokine and cancer tumor marker measurement).
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9

Standardized TRAIL and Cytokine Protocols

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For in vitro experiments Recombinant Super Killer Trail (Human: Enzo Lifesciences; Mouse: Adipogene) was dissolved in PBS−/− 1%BSA, kept at −80°C and used 300 ng/ml.
For in vivo experiments Trail Recombinant KillerTRAIL (Alexis) was resuspended in PBS−/− and used 10 mg/kg i.p every 3 days for 2 weeks.
Glucocorticoids (MP Biomedicals) were used 100uM; hIL-10, hIL-1, hIL-2, hIL-4, hIL-6, hTNFα, hINFγ, hTGFβ (Peprotech) 25 ng/ml; LPS (Alexis) 100 ng/ml; Pam3Cys (Vinci Biochem) 2 ug/ml according to the manufacture's instructions.
Apigenin, Quercitin (Indena) and trabectedin (Pharmamar) were resuspended in DMSO and used 40uM, 400uM and 10 nM respectively. Palmitate (SIGMA), Indole-3-Carbinole (I3C) resuspended in DMSO and used 800uM and 100uM respectively.
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10

In Vitro Expansion of T Cell Subsets

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FACS-sorted CD4+ or CD8+ (and CD5lo or CD5hi) TN cells (~1−2 × 104/well) were cultured with Dynabeads™ (Gibco) in 24-well plate (Effendorf) with recombinant hIL-1β (50 ng/ml) (PeproTech), hTGF-β (2 ng/ml) (PeproTech), hIL-23 (50 ng/ml) (PeproTech), anti-hIFN-γ (10 μg/ml) (clone B27), and anti-hIL-4 (10 μg/ml) (clone MP4-25D2) for 10 days. Cells were replaced with fresh culture medium every 2−3 days while in culture, and at each replacement, cells were collected, counted, and re-cultured 2 × 106/well under the same conditions until intracellular cytokine assays were performed.
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