Human IGFBP-5 Antibody

Catalog # Availability Size / Price Qty
AF875
AF875-SP
IGFBP‑5 in Human Placenta.
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Product Details
Citations (5)
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Human IGFBP-5 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IGFBP-5 in direct ELISAs and Western blots. In direct ELISAs, less than 25% cross-reactivity with recombinant mouse IGFBP-5 is observed and less than 5% cross-reactivity with recombinant human (rh) IGFBP-1, rhIGFBP-2, rhIGFBP-3, rhIGFBP-4, rhIGFBP-6, and rhIGFBP-7 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human IGFBP-5
Glu28-Glu272
Accession # P24593
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
0.1 µg/mL
Recombinant Human IGFBP‑5 (Catalog # 875-B5)
Immunohistochemistry
5-15 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.

Data Example

Immunohistochemistry IGFBP-5 antibody in Human Placenta by Immunohistochemistry (IHC-P). View Larger

IGFBP‑5 in Human Placenta. IGFBP-5 was detected in immersion fixed paraffin-embedded sections of human placenta using Goat Anti-Human IGFBP-5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF875) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to syncytiotrophoblasts. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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-5

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-5 cDNA encodes a 272 amino acid (aa) residue precursor protein with a putative 20 aa residue signal peptide that is processed to generate the 252 aa residue mature protein that is post-translationally modified by O-glycosylations and serine phosphorylations. IGFBP-5 is expressed by fibroblasts, myoblasts and osteoblasts, making it the predominant IGFBP found in bone extracts. IGFBP-5 has a strong affinity for hydroxyapatite, allowing it to bind to bone cells. When bound to extracellular matrix, IGFBP-5 is protected from proteolysis and potentiates IGF activity, but when it is soluble, IGFBP-5 is cleaved to a biologically inactive 21 kDa fragment (1, 2).

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 5
Entrez Gene IDs
3488 (Human); 16011 (Mouse)
Alternate Names
IBP5IBP-5; IGF-binding protein 5; IGFBP5; IGFBP-5; insulin-like growth factor binding protein 5; insulin-like growth factor-binding protein 5

Product Datasheets

Citations for Human IGFBP-5 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.

5 Citations: Showing 1 - 5
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  1. Netazepide Inhibits Expression of Pappalysin 2 in Type-1 Gastric Neuroendocrine Tumors
    Authors: KA Lloyd, BN Parsons, MD Burkitt, AR Moore, S Papoutsopo, M Boyce, CA Duckworth, K Exarchou, N Howes, L Rainbow, Y Fang, C Oxvig, S Dodd, A Varro, N Hall, DM Pritchard
    Cell Mol Gastroenterol Hepatol, 2020;0(0):.
    Species: Human
    Sample Types: Cell Cultue Supernates
    Applications: Western Blot
  2. IGFBP-4 and -5 are expressed in first-trimester villi and differentially regulate the migration of HTR-8/SVneo cells.
    Authors: Crosley, Erin J, Dunk, Caroline, Beristain, Alexande, Christians, Julian K
    Reprod Biol Endocrinol, 2015;12(0):123.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  3. Increased levels of pregnancy-associated plasma protein-A2 in the serum of pre-eclamptic patients.
    Authors: Nishizawa H, Pryor-Koishi K, Suzuki M
    Mol. Hum. Reprod., 2008;14(10):595-602.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  4. 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;130(6):1754-63.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  5. Matrix metalloproteinase-7 degrades all insulin-like growth factor binding proteins and facilitates insulin-like growth factor bioavailability.
    Authors: Nakamura M, Miyamoto S, Maeda H, Ishii G, Hasebe T, Chiba T, Asaka M, Ochiai A
    Biochem. Biophys. Res. Commun., 2005;333(3):1011-6.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Western Blot

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