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Key Documents

SRP3231

Sigma-Aldrich

PF-4 from mouse

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

Sinónimos:

CXCL4, Ironplact, Oncostatin A, Platelet Factor-4

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

product name

PF-4 from mouse, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

biological source

mouse

recombinant

expressed in E. coli

assay

≥98% (HPLC)
≥98% (SDS-PAGE)

form

lyophilized

potency

10.0-100.0 ng/mL

mol wt

8.2 kDa

packaging

pkg of 1 mg
pkg of 20 μg

technique(s)

cell culture | mammalian: suitable

impurities

<0.1 EU/μg endotoxin, tested

color

white

UniProt accession no.

Q9Z126

shipped in

wet ice

storage temp.

−20°C

Gene Information

mouse ... PF4(56744)

Categorías relacionadas

General description

PF-4 is a CXC chemokine that is expressed in megakaryocytes and stored in the a-granules of platelets. PF-4 is chemotactic towards neutrophils and monocytes and has been shown to inhibit angiogenesis. Recombinant murine PF-4 is an 8.2 kDa protein containing 76 amino acid residues, including the four highly conserved residues present in CXC chemokines.

Biochem/physiol Actions

PF-4 is a CXC chemokine that is expressed in megakaryocytes and stored in the a-granules of platelets. Recombinant murine PF-4 is an 8.2 kDa protein containing 76 amino acid residues, including the four highly conserved residues present in CXC chemokines.

Sequence

VTSAGPEESD GDLSCVCVKT ISSGIHLKHI TSLEVIKAGR HCAVPQLIAT LKNGRKICLD RQAPLYKKVI KKILES

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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S S Huang et al.
The Journal of biological chemistry, 257(19), 11546-11550 (1982-10-10)
A large scale purification procedure for the human platelet factor 4 proteoglycan carrier molecule has been developed. A yield of 46% and a 33,000-fold purification have been achieved, using poly-L-lysine-Sepharose affinity column chromatography, PF4-agarose affinity column chromatography, and Bio-Gel A-0.5m
Kalyan Srivastava et al.
PloS one, 5(5), e10413-e10413 (2010-05-11)
Cerebral malaria continues to be a difficult to treat complication of Plasmodium falciparum infection in children. We have shown that platelets can have major deleterious immune functions in experimental cerebral malaria (ECM). One of the platelet derived mediators we have
B Scheuerer et al.
Blood, 95(4), 1158-1166 (2000-02-09)
Unstimulated monocytes rapidly undergo physiological changes resulting in programmed cell death (apoptosis) while stimuli promoting differentiation of these cells into macrophages were shown to inhibit apoptotic processes. In the present study, we report that the platelet-derived alpha-chemokine platelet factor 4
Yong Du et al.
The Journal of experimental medicine, 219(7) (2022-06-01)
Chemokines control the migratory patterns and positioning of immune cells to organize immune responses to pathogens. However, many chemokines have been associated with systemic autoimmune diseases that have chronic IFN signatures. We report that a series of chemokines, including CXCL4
Robert Root-Bernstein et al.
International journal of molecular sciences, 23(19) (2022-10-15)
COVID-19 patients often develop coagulopathies including microclotting, thrombotic strokes or thrombocytopenia. Autoantibodies are present against blood-related proteins including cardiolipin (CL), serum albumin (SA), platelet factor 4 (PF4), beta 2 glycoprotein 1 (β2GPI), phosphodiesterases (PDE), and coagulation factors such as Factor

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