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SRP6268 Sigma-Aldrich

DKK3 human

recombinant, expressed in HEK 293 cells, ≥95% (SDS-PAGE)

Synonym: PTX1, RIG

  •  NACRES NA.32

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Properties

biological source   human
recombinant   expressed in HEK 293 cells
assay   ≥95% (SDS-PAGE)
form   lyophilized powder
mol wt   calculated mol wt 37.6 kDa
  observed mol wt 50-60 kDa (DTT-reduced. Protein migrates due to glycosylation. Pro 23 is the predicted N-terminus.)
packaging   pkg of 50 μg
impurities   <1 EU/μg endotoxin (LAL test)
conjugate   6-His tagged (C-terminus)
UniProt accession no.   Q9UBP4
shipped in   wet ice
storage temp.   −20°C
Gene Information   human ... DKK3(27122)

Description

General description

Members of the Dickkopf-related protein family (DKK-1, -2, -3, and -4) are secreted proteins with two cysteine-rich domains separated by a linker region. And DKK3 has been proposed as tumor suppressor gene and a marker for tumor blood vessels. DKK3 is the only DKK family member abundantly expressed in normal lung, but silenced by promoter hypermethylation in a large fraction of lung cancer cell lines and lung tumors. Downregulation of DKK3 was correlated with tumor progression and expression of nuclear β-catenin in lung tumors. Ectopic expression of DKK3 in lung cancer cells with DKK3 hypermethylation induced apoptosis and inhibited TCF-4 activity as well as nuclear accumulation of β-catenin and expression of TCF-4 targets c-Myc and cyclin D1. DKK3 modulates FGF and Activin/Nodal signaling to regulate mesoderm induction during early Xenopus development, was reported.

Physical form

Lyophilized from 0.22 μm filtered solution in PBS. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 μg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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