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Merck
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SRP3131

Sigma-Aldrich

Osteopontin human

recombinant, expressed in HEK 293 cells, ≥97% (SDS-PAGE), ≥97% (HPLC), suitable for cell culture

Szinonimák:

Bone sialoprotein 1, Nephropontin, Secreted phosphoprotein 1, Uropontin

Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez


About This Item

UNSPSC kód:
12352200
NACRES:
NA.32

biológiai forrás

human

rekombináns

expressed in HEK 293 cells

Teszt

≥97% (HPLC)
≥97% (SDS-PAGE)

Forma

lyophilized

molekulatömeg

60.0-65.0 kDa

kiszerelés

pkg of 50 μg

technika/technikák

cell culture | mammalian: suitable

szennyeződések

<0.1 EU/μg endotoxin, tested

szín

white to off-white

alkalmasság

suitable for molecular biology

UniProt elérési szám

kiszállítva

wet ice

tárolási hőmérséklet

−20°C

Géninformáció

human ... SPP1(6696)

Általános leírás

Research area: Cell signaling. Osteopontin is initially secreted as a 298 amino acid protein, which is subject to multiple post-translational modifications including glycosylation, phosphorylation, and specific proteolytic cleavages into various smaller molecular weight fragments. Osteopontin is expressed in a wide range of cells and tissues including osteoblasts, various tumor cell lines, extraosseous cells in the inner ear, brain, kidney, deciduum, placenta, and odontoblasts. Recombinant human Osteopontin is a 298 amino acid protein, which, due to glycosylation, migrates at an apparent molecular weight of 60.0-65.0kDa by SDS-PAGE analysis under reducing conditions.

Alkalmazás

Osteopontin human has been used in in vitro invasion assay to study the effect of endostar on non-small cell lung cancer cell invasion.It has been used in the cell culture of primary human brain vascularsmooth muscle cells. Osteopontin human has also been used to study itseffects on the migration of human fibroblasts.

Biokémiai/fiziológiai hatások

Osteopontin is a secreted glycoprotein that functions as a ligand to αvβ3 integrin and possibly other receptors. It binds tightly to hydroxyapatite and can act as a structural component of the extracellular mineralized matrix. In addition to its involvement in mineralized matrix formation, Osteopontin can also function as a cytokine that stimulates the release of IFNg (interferon γ) and IL-12 (interleukin 12), while inhibiting the production of IL-10. Osteopontin is involved in inflammation and also regulates immunity against infectious diseases. It also co-stimulates T cell proliferation. Osteopontin is also associated with multiple sclerosis. It participates in inflammation in Crohn′s Disease. Osteopontin plays a crucial role in bone remodelling and suppresses ectopic calcification.

Szekvencia

IPVKQADSGS SEEKQLYNKY PDAVATWLNP DPSQKQNLLA PQNAVSSEET NDFKQETLPS KSNESHDHMD DMDDEDDDDH VDSQDSIDSN DSDDVDDTDD SHQSDESHHS DESDELVTDF PTDLPATEVF TPVVPTVDTY DGRGDSVVYG LRSKSKKFRR PDIQYPDATD EDITSHMESE ELNGAYKAIP VAQDLNAPSD WDSRGKDSYE TSQLDDQSAE THSHKQSRLY KRKANDESNE HSDVIDSQEL SKVSREFHSH EFHSHEDMLV VDPKSKEEDK HLKFRISHEL DSASSEVN

Fizikai forma

Lyophilized from 10 mM Sodium Phosphate, pH 7.0.

Feloldás

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.

Tárolási osztály kódja

11 - Combustible Solids

WGK

WGK 3

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable


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Analitikai tanúsítványok (COA)

Lot/Batch Number

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Dokumentumtár megtekintése

W T Butler
Connective tissue research, 23(2-3), 123-136 (1989-01-01)
Osteopontin is an acidic glycoprotein of about 41,500 daltons that has been isolated from rat, human and bovine bone. It is rich in aspartic acid, glutamic acid and serine and contains about 30 monosaccharides, including 10 sialic acids. Several types
D T Denhardt et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 7(15), 1475-1482 (1993-12-01)
In this review most of the various known, suspected, or postulated functions of osteopontin, a secreted highly acidic phosphoprotein, are discussed in terms of what we currently know about the protein. These include 1) binding of OPN both to cells
Osteopontin-hydroxyapatite interactions in vitro: inhibition of hydroxyapatite formation and growth in a gelatin-gel.
Boskey AL, et al.
Bone and Mineral, 22, 147-159 (1993)
Endostar, a modified endostatin inhibits non small cell lung cancer cell in vitro invasion through osteopontin-related mechanism.
Ni Q, et al.
European Journal of Pharmacology, 614, 1-6 (2009)
Identification of an IL-27/osteopontin axis in dendritic cells and its modulation by IFN-gamma limits IL-17-mediated autoimmune inflammation.
Murugaiyan G, et al.
Proceedings of the National Academy of Sciences of the USA, 107, 11495-11500 (2010)

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