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Key Documents

SRP3277

Sigma-Aldrich

SDF-1 BETA human

Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC)

Synonym(s):

CXCL12, PBSF

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

biological source

human

recombinant

expressed in E. coli

assay

≥98% (HPLC)
≥98% (SDS-PAGE)

form

lyophilized

potency

20.0-80.0 ng/mL

mol wt

8.5 kDa

packaging

pkg of 10 μg

impurities

<0.1 EU/μg endotoxin, tested

color

white

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... CXCL12(6387)

General description

SDF-1α and β chemoattract B and T cells, and have been shown to induce migration of CD34+ stem cells. Additionally, the SDF-1 proteins exert HIV suppressive activity in cells expressing the CXCR4 receptor.

Biochem/physiol Actions

SDF-1α and β are stromal derived CXC chemokines, and signal through the CXCR4 receptor. Recombinant human SDF-1α is an 8.0 kDa protein containing 68 amino acid residues. Recombinant human SDF-1β is an 8.5 kDa protein containing 72 amino acid residues.

Physical form

Lyophilized with no additives.

Reconstitution

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.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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M D'Apuzzo et al.
European journal of immunology, 27(7), 1788-1793 (1997-07-01)
In the bone marrow, progenitor (pro-) and precursor (pre-) B cells depend on close contact with stromal cells for growth and maturation. Stromal cell-derived factor 1 (SDF-1), also known as pre-B cell growth-stimulating factor, is produced by bone marrow stromal

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