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H8541

Sigma-Aldrich

Transforming Growth Factor-β1 human

TGF-β1, Xeno-free, recombinant, expressed in HEK 293 cells, suitable for cell culture

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Synonym(s):
TGF-β1
MDL number:
NACRES:
NA.77

biological source

human

Quality Level

recombinant

expressed in HEK 293 cells

Assay

≥95% (SDS-PAGE)

form

lyophilized powder

potency

≤0.5 ng/mL EC50

quality

endotoxin tested

mol wt

dimer 25 kDa (non-glycosylated)

packaging

pkg of 100 μg
pkg of 5 μg

storage condition

avoid repeated freeze/thaw cycles

technique(s)

cell culture | mammalian: suitable

impurities

≤1 EU/μg

UniProt accession no.

storage temp.

-10 to -25°C

Gene Information

human ... TGFB1(7040)

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This Item
T7039T281511412272001
recombinant

expressed in HEK 293 cells

recombinant

expressed in CHO cells

recombinant

expressed in NSO cells

recombinant

expressed in CHO cells

assay

≥95% (SDS-PAGE)

assay

≥98% (SDS-PAGE)

assay

≥97% (electrophoresis)

assay

>95% (SDS-PAGE)

form

lyophilized powder

form

powder

form

powder

form

solution

potency

≤0.5 ng/mL EC50

potency

≤0.05 ng/mL ED50

potency

0.04 ng/mL ED50

potency

<0.1 ng/mL EC50

mol wt

dimer 25 kDa (non-glycosylated)

mol wt

protein 25 kDa

mol wt

25 kDa

mol wt

25,000 Da

General description

The TGFB1 gene is mapped to human chromosome 19q13.2 and codes for a 25 kDa peptide. TGF-ß1 polypeptide is produced as a precursor with hydrophobic signal sequence, pro-region and mature peptide. Cleavage of the precursor at tetrabasic cleavage site results in monomers of carboxy-terminal 112 amino acids. The biologically active form of Tgfb1 exists as a disulphide-linked homodimer.

Application

Transforming Growth Factor-β1 (TGF-β) human has been used :
  • to study the expression of PDGFRB (Platelet derived growth factor receptor β) in association with transforming growth factor-β signaling.
  • to stimulate lung fibrosis in human fetal lung fibroblast cell line in order to further measure the in-plane elasticity of live cell layers using a pressure sensor embedded microfluidic device.
  • to study the effect of TGF-β on HTRA1 (high-temperature requirement A1)-affected Wnt target genes.

Biochem/physiol Actions

TGF-β1 is a multifunctional peptide capable of influencing cell proliferation, differentiation, and other functions in a wide range of cell types. Transformed as well as non-neoplastic tissues release transforming growth factors and essentially all cells possess a specific TGF-β1 receptor. In general, cells of mesenchymal origin appear to be stimulated by TGF-β1; whereas, hepatocytes, T and B lymphocytes, keratinocytes, and many epithelial cells are inhibited by the peptide. TGF-β1 interacts with Epidermal Growth Factor (EGF), Platelet Derived Growth Factor (PDGF), Fibroblast Growth Factor (FGF), and T Cell Growth Factor (T-CGF) either by enhancing or antagonizing their characteristic actions. TGF-β1 plays a fundamental role in tissue growth and differentiation by involvement in adipogenesis, myogenesis, chondrogenesis, osteogenesis, epithelial cell differentiation, and immune cell function. TGF-β1 is associated with the developmental and metastasis of colorectal cancer.
Transforming growth factor-β1 (TGF-β1) is produced by many cell types, but is reported to be most concentrated in mammalian platelets, where it is present at approximately four times the level of TGF-β2.

Physical form

Lyophilized from a 0.2 μm filtered solution of 50 mM NaOAc pH 4.5

Preparation Note

HumanKine TGF-β1 is expressed in human HEK 293 cells as a mature, disulfide linked, non- glycosylated, homodimer with a predicted molecular mass of 25 kDa.

Analysis Note

The activity was determined by the dose dependent inhibition of IL-4 induced proliferation of mouse HT-2 cells (BALB/c spleen activated by sheep erythrocytes in the presence of IL-2).

Legal Information

HumanKine is a registered trademark of Proteintech Group, Inc. and Humanzyme, Inc

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Transforming growth factor beta (TGFβ) is multifunctional cytokine that is involved in the coordination and regulation of many cellular homeostatic processes. Compromised TGFβ activity has been attributed to promotion of human cancers. Recent studies have identified a role for TGFβ
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