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I7026

Sigma-Aldrich

Anti-Insulin-like Growth Factor Binding Protein-4 antibody produced in goat

affinity isolated antibody, lyophilized powder

Synonym(s):

Anti-IGFBP-4

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About This Item

MDL number:
UNSPSC Code:
51111800
conjugate:
unconjugated
application:
ELISA (i)
Neutral
WB
clone:
polyclonal
species reactivity:
human
citations:
2
technique(s):
indirect ELISA: 0.5-1.0 μg/mL
neutralization: suitable
western blot: 0.1-0.2 μg/mL

biological source

goat

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

lyophilized powder

species reactivity

human

technique(s)

indirect ELISA: 0.5-1.0 μg/mL
neutralization: suitable
western blot: 0.1-0.2 μg/mL

UniProt accession no.

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... IGFBP4(3487)

General description

Insulin-like growth factor binding protein-4 (IGFBP-4) is a 26kD (approx.) protein expressed highly in non-paranchymal cells of the liver. IGFBP-4 is also expressed in spleen, liver, lung, kidney, adrenal, testis, heart, brain cortex, stomach and hypothalamus. It has a pivotal role in protecting cells from overstimulation caused by IGFs or towards activating the alternate transmembrane signaling pathways that are inhibited by IGF exposure. Anti-Insulin-like Growth Factor Binding Protein 4(IGFBP-4) antibody can be used in western blotting. Goat anti-IGFBP-4 antibody reacts specifically with recombinant human IGFBP-4. The product has shown no cross-reactivity for recombinant human IGFBP-1, recombinant human IGFBP-2, recombinant human IGFBP-3, recombinant human IGFBP-5 and recombinant human IGFBP-6.

Specificity

By immunoblotting and ELISA, the antibody show no cross-reactivity with recombinant human IGFBP-2, recombinant human IGFBP-3, recombinant human IGFBP-1, recombinant human IGFBP-5, and recombinant human IGFBP-6.

Immunogen

purified, NSO-derived, recombinant human insulin-like growth factor binding protein 4.

Application

Anti-Insulin-like Growth Factor Binding Protein-4(IGFBP-4) antibody can be used in neutralization and indirect ELISA.

Physical form

Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 5% trehalose.

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Insulin-like growth factors and their binding proteins: biological actions.
J I Jones et al.
Endocrine reviews, 16(1), 3-34 (1995-02-01)
S Shimasaki et al.
Molecular endocrinology (Baltimore, Md.), 4(10), 1451-1458 (1990-10-01)
cDNA clones encoding a novel insulin-like growth factor-binding protein (IGFBP) purified from rat serum and human bone cell-conditioned medium have been isolated from rat liver and human placenta, liver, and ovary cDNA libraries. The deduced amino acid sequences of the

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