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H8541

Sigma-Aldrich

Transforming Growth Factor-β1 human

≥95% (SDS-PAGE), recombinant, expressed in HEK 293 cells, lyophilized powder, suitable for cell culture

Synonym(s):

TGF-β1

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About This Item

MDL number:
UNSPSC Code:
12352202
NACRES:
NA.77

product name

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

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 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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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

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).

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Interplay between TGF-? signaling and receptor tyrosine kinases in tumor development.
Shi Q and Chen YG
Science China: Life Sciences, 60(10), 1133-1114 (2017)
PDGFRB Promotes Liver Metastasis Formation of Mesenchymal-Like Colorectal Tumor Cells
Steller EJA, et al.
Neoplasia, 15, 204?217 - 204?217 (2013)
Yue Zhou et al.
Molecular therapy. Nucleic acids, 22, 803-814 (2020-11-25)
Kidney failure (KF) is associated with cardiac fibrosis and significantly increased mortality in heart failure. Thrombospondin-1 (TSP1), a key regulator of latent transforming growth factor-β1 (L-TGF-β1) activation, is a predicted target of miR-221. We hypothesized miR-221 attenuates severe KF-associated cardiac
Bin Li et al.
American journal of translational research, 14(4), 2199-2211 (2022-05-14)
Hepatitis B virus (HBV) infection is the main reason for liver cirrhosis. The purpose of this research was to probe into the role and underlying mechanism of circ_myotubularin 1 (circ_MTM1) in HBV-related liver fibrosis (LF). HBV surface antigen (HBsAg) and
Measurement of in-plane elasticity of live cell layers using a pressure sensor embedded microfluidic device
Lin CH, et al.
Scientific Reports, 1-14 (2016)

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