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Human IGFBP-1 Antibody

Catalog #: AF871
2 Citations Datasheet
Catalog # Availability Size / Price Qty
AF871
AF871-SP
Detection of Human IGFBP‑1 by Western Blot.
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Product Details
Citations (2)
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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human IGFBP-1 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IGFBP-1 in direct ELISAs and Western blots. In these formats, less than 2% cross-reactivity with recombinant human (rh) IGFBP-2, rhIGFBP-3, rhIGFBP-4, and rhIGFBP-5 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human IGFBP-1
Ala26-Asn259
Accession # P08833
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
See below
Simple Western
50 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human IGFBP-1 antibody by Western Blot. View Larger

Detection of Human IGFBP‑1 by Western Blot. Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human IGFBP-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF871) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for IGFBP-1 at approximately 28 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Simple Western Detection of Human IGFBP-1 antibody by Simple Western<SUP>TM</SUP>. View Larger

Detection of Human IGFBP‑1 by Simple WesternTM. Simple Western lane view shows lysates of HepG2 human hepatocellular carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for IGFBP-1 at approximately 39 kDa (as indicated) using 50 µg/mL of Goat Anti-Human IGFBP-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF871) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IGFBP-1

The superfamily of insulin-like growth factor (IGF) binding proteins include the six high-affinity IGF binding proteins (IGFBP) and at least four additional low-affinity binding proteins referred to as IGFBP related proteins (IGFBP-rP). All IGFBP superfamily members are cysteine-rich proteins with conserved cysteine residues, which are clustered in the amino- and carboxy-terminal thirds of the molecule. IGFBPs modulate the biological activities of IGF proteins. Some IGFBPs may also have intrinsic bioactivity that is independent of their ability to bind IGF proteins. Post-transitional modifications of IGFBP, including glycosylation, phosphorylation and proteolysis, have been shown to modify the affinities of the binding proteins to IGF.

Human IGFBP-1 cDNA encodes a 259 amino acid (aa) residue precursor protein with a putative 25 aa residue signal peptide that is processed to generate the 234 aa residue mature protein. IGFBP-1 contains an integrin receptor recognition sequence (RGD sequence) but lacks potential N-linked glycosylation sites. IGFBP-1 is expressed in liver, decidua, kidneys and is the most abundant IGFBP in amniotic fluid. Serum levels of IGFBP-1 are lowest after meals. Hepatocyte production of IGFBP-1 is regulated at the transcriptional level due to the affects of insulin and corticosteriods. IGFBP-1 binds equally well to IGF-I and IGF-II, with phosphorylated forms of IGFBP-1 exhibiting higher binding affinities.

References
  1. Jones, J.I. and D.R. Clemmons (1995) Endocrine Rev. 16:3.
  2. Kelley, K.M. et al. (1996) Int. J. Biochem. Cell Biol. 28:619.
Long Name
Insulin-like Growth Factor Binding Protein 1
Entrez Gene IDs
3484 (Human); 16006 (Mouse)
Alternate Names
alpha-pregnancy-associated endometrial globulin; amniotic fluid binding protein; binding protein-25; binding protein-26; binding protein-28; growth hormone independent-binding protein; hIGFBP-1; IBP1; IBP-1; IGF-binding protein 1; IGFBP1; IGFBP-1; IGF-BP25; insulin-like growth factor binding protein 1; insulin-like growth factor-binding protein 1; Placental protein 12; PP12AFBP

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Citations for Human IGFBP-1 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. The effect of cinnamon on polycystic ovary syndrome in a mouse model
    Authors: L Dou, Y Zheng, L Li, X Gui, Y Chen, M Yu, Y Guo
    Reprod. Biol. Endocrinol., 2018-10-19;16(1):99.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  2. The role of matrix metalloproteinase-7 in redefining the gastric microenvironment in response to Helicobacter pylori.
    Authors: McCaig C, Duval C, Hemers E, Steele I, Pritchard DM, Przemeck S, Dimaline R, Ahmed S, Bodger K, Kerrigan DD, Wang TC, Dockray GJ, Varro A
    Gastroenterology, 2006-03-06;130(6):1754-63.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot

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