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E9644

Sigma-Aldrich

Epidermal Growth Factor, human

≥97% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture

Synonym(s):

Epidermal Growth Factor human, EGF

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About This Item

CAS Number:
62253-63-8
MDL number:
MFCD00132565
UNSPSC Code:
12352202
NACRES:
NA.77

Key Documents

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Product Name

hEGF, EGF, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture

biological source

human

Quality Level

300

recombinant

expressed in E. coli

assay

≥97% (SDS-PAGE)

form

lyophilized powder

potency

0.08-0.8 ng/mL ED50/EC50

mol wt

~6 kDa

packaging

pkg of 5X0.2 mg
pkg of 0.2 mg
pkg of 0.5 mg

storage condition

avoid repeated freeze/thaw cycles

technique(s)

cell culture | mammalian: suitable

impurities

≤1 EU/μg endotoxin (EGF)

color

white

solubility

water: soluble, clear, colorless

UniProt accession no.

P01133

storage temp.

−20°C

SMILES string

S(CC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H]%12N(CCC%12)C(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](N

InChI

1S/C270H401N73O83S7/c1-24-134(19)217(262(420)293-112-201(355)298-161(69-74-205(359)360)229(387)301-160(45-35-82-286-269(279)280)228(386)333-192(119-428)255(413)307-162(68-73-198(274)352)230(388)316-176(94-141-54-64-150(350)65-55-141)241(399)304-159(44-34-

InChI key

GVUGOAYIVIDWIO-UFWWTJHBSA-N

Gene Information

human ... EGF(1950)

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Application

This product is used as a mitogen, triggering the cell to commence mitosis, in a variety of cell lines. In tissue cultures, EGF acts to reduce or eliminate the requirement for serum and can be used in conjunction with other media additives and hormones.

Biochem/physiol Actions

Epidermal Growth Factor (EGF) is a small mitogenic polypeptide present throughout a large number of tissues and body fluids in many mammalian species. EGF is a member of a growth factor family characterized by 6 conserved cysteine motifs that form three disulfide bonds. EGF is mitogenic for a variety of epidermal and epithelial cells, including fibroblasts, glial cells, vascular and corneal endothelial cells, bovine granulosa, HeLa cells, SV40-3T3 cells and mammary epithelial cells.
Cellular functions affected by EGF: mitosis, ion flux, glucose transport, glycolysis, nucleic acid and protein synthesis, survival, growth, proliferation and differentiation.
Biological affects of EGF: inhibition of gastric acid secretion, fetal growth and development and neuromodulation in the central nervous system.
Pathways affected by EGF: EGFR signaling, MAPK cascade, PIP, Ca+2 signaling

Preparation Note

This product was lyophilized from a 0.2 μm-filtered solution of phosphate buffered saline, at pH 7.4. It should be reconstituted by adding the contents of the vial to 1 mg/mL using 10 mM acetic acid. To dilute to lower concentrations, but no fewer than 10 μg/mL, an addition of 0.1% BSA or HSA will be needed. For use in proliferation assays, further dilute the sample with medium without albumin.

Analysis Note

The biological activity of this product is measured in a proliferation assay using BALB/MK cells. The EC50 is defined as the effective concentration of growth factor that elicits a 50% increase in cell growth in a cell based bioassay.

Other Notes

Human EGF (hEGF) is an identical molecule to β-urogastrone, a molecule isolated on the basis of its ability to inhibit gastric acid secretion. EGF is structurally homologous to human transforming growth factor-α, and both exert their actions through EGF receptors. E9644 is the N-terminal methionyl form of natural mature EGF.

Disclaimer

This product should be stored at -20°C and will retain activity for two years. After reconstitution, it can be stored at 2-8°C for one month, or frozen in aliquots at -70°C or -20°C for longer periods.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
079M4186V
079M4185V
079M4149V
049M4047V
049M4046V

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Anita Alexa et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(9), 2711-2716 (2015-03-03)
Mitogen-activated protein kinases (MAPKs) bind and activate their downstream kinase substrates, MAPK-activated protein kinases (MAPKAPKs). Notably, extracellular signal regulated kinase 2 (ERK2) phosphorylates ribosomal S6 kinase 1 (RSK1), which promotes cellular growth. Here, we determined the crystal structure of an
Piera Versura et al.
Investigative ophthalmology & visual science, 52(8), 5488-5496 (2011-04-19)
To investigate the immune response of human conjunctival epithelium to hyperosmolar stress. Tear osmolarity was measured in 15 normal subjects and 25 dry eye (DE) patients; conjunctival imprint cytology samples were obtained at the nasal bulbar area. Subconfluent primary human
Hossein Baharvand et al.
Molecular vision, 13, 1711-1721 (2007-10-26)
A new strategy of treating ocular surface reconstruction is to transplant a bioengineered graft by expanding limbal stem cells (SCs) ex vivo on the amniotic membrane (AM). The reasons for the exceptional success on the AM are not fully understood
Koji Teramoto et al.
Cellular signalling, 62, 109329-109329 (2019-06-04)
EphA2, which belongs to the Eph family of receptor tyrosine kinases, is overexpressed in a variety of human cancers. Serine 897 (S897) phosphorylation of EphA2 is known to promote cancer cell migration and proliferation in a ligand-independent manner. In this
Muralidharan Mani et al.
Molecular biology of the cell, 27(2), 334-348 (2015-11-20)
The small GTPase Rab5 regulates the early endocytic pathway of transferrin (Tfn), and Rab5 deactivation is required for Tfn recycling. Rab5 deactivation is achieved by RabGAP5, a GTPase-activating protein, on the endosomes. Here we report that recruitment of RabGAP5 is
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