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Merck
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Key Documents

SRP3033

Sigma-Aldrich

Epiregulin human

recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

Sinonimo/i:

EREG

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About This Item

Codice UNSPSC:
12352202
NACRES:
NA.75

Origine biologica

human

Ricombinante

expressed in E. coli

Saggio

≥98% (HPLC)
≥98% (SDS-PAGE)

Forma fisica

lyophilized

Potenza

<0.2 ng/mL

PM

5.6 kDa

Confezionamento

pkg of 25 μg

tecniche

cell culture | mammalian: suitable

Impurezze

<0.1 EU/μg endotoxin, tested

Colore

white to off-white

N° accesso UniProt

Condizioni di spedizione

wet ice

Temperatura di conservazione

−20°C

Informazioni sul gene

human ... EREG(2069)

Descrizione generale

EREG (epiregulin) is mainly known as a ligand of EGFR (epidermal growth factor receptor) and ErbB-4 (receptor tyrosine-protein kinase). It induces tyrosine phosphorylation of EGFR, ErbB-2, ErbB-3 and ErbB-4. The mechanism of action involves interaction with EGFR, dimerization of EGFR and induction of autophosphorylation. The EREG gene is mapped to human chromosome 4q13.
Recombinant human Epiregulin is a 5.6kDa monomeric protein, containing 50 amino residues, which corresponds to the mature secreted Epiregulin sequence.

Applicazioni

Epiregulin human has been added in the culture medium to study the effect of epiregulin on epithelial invasion.
Epiregulin human has been used as a supplement in media 199 to stimulate human epidermal keratinocytes. It has also been used to treat colon cancer cells to test its effect on cell migration.

Azioni biochim/fisiol

EREG (epiregulin)-mediated EGFR (epidermal growth factor receptor) phosphorylation is responsible for the activation of various pathways, including the mitogen-activated protein kinase (MAPK), phosphoinositide 3-kinase (PI3K) and STAT5 (signal transducer and activator of transcription 5) responses. These pathways are involved in proliferation, cell survival, and angiogenesis. EREG is upregulated in colon, breast and ovarian cancers.

Sequenza

MVAQVSITKC SSDMNGYCLH GQCIYLVDMS QNYCRCEVGY TGVRCEHFFL

Stato fisico

Lyophilized with no additives.

Ricostituzione

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Serum levels of hepatocyte growth factor and epiregulin are associated with the prognosis on anti-EGFR antibody treatment in KRAS wild-type metastatic colorectal cancer.
Takahashi N, et al.
British Journal of Cancer, 110, 2716-2716 (2014)
The human obesity gene map: the 2005 update.
Rankinen T, et al.
Obesity (Silver Spring, Md.), 14, 529-529 (2006)
Epiregulin Recognition Mechanisms by Anti-epiregulin Antibody 9E5: STRUCTURAL, FUNCTIONAL, AND MOLECULAR DYNAMICS SIMULATION ANALYSES.
Kado Y, et al.
The Journal of Biological Chemistry, 291, 2319-2319 (2016)
Keratinocytes can differentiate into eccrine sweat ducts in vitro: involvement of epidermal growth factor and fetal bovine serum.
Shikiji T, et al.
Journal of Dermatological Science, 33, 141-141 (2003)
Chanat Kumtornrut et al.
Journal of dermatological science, 93(3), 150-158 (2019-02-23)
The main pathogenesis of acne vulgaris is increase in sebum production and abnormal keratinization of the hair infundibulum. The androgens are involved in acne pathogenesis by modulating sebaceous glands to enhance sebum production. However, the molecular mechanisms of abnormal keratinization

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