Human IGF-I/IGF-1 Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAF291
Product Details
Citations (5)
FAQs
Supplemental Products
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Human IGF-I/IGF-1 Biotinylated Antibody Summary

Species Reactivity
Human
Specificity
Detects human IGF-I/IGF-1 in ELISAs and Western blots. In sandwich immunoassays, less than 0.1% recombinant human (rh) IGF-I/IGF-1 sR, recombinant mouse (rm) IGF-I/IGF-1, rmIGF‑II/IGF-2, rhIGF-II/IGF-2, rhIGFBP-1, rhIGFBP-2, rhIGFBP-3, rhIGFBP-4, rhIGFBP-5, and rhIGFBP-6 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human IGF-I/IGF-1
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human IGF-I/IGF-1 (Catalog # 291-G1)

Human IGF-I/IGF-1 Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Detection (Matched Antibody Pair)
0.1-0.4 µg/mL 

Use in combination with:

Capture Reagent: Human IGF-I/IGF-1 Antibody (Catalog # MAB291)

Standard: Recombinant Human IGF-I/IGF-1 Protein, CF (Catalog # 291-G1)

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.

Reconstitution Calculator

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.
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: IGF-I/IGF-1

Insulin-like growth factor I, also known as somatomedin C, is the dominant effector of growth hormone and is structurally homologous to proinsulin. Human IGF-I/IGF-1 is synthesized as two precursor isoforms with N- and alternate C-terminal propeptides (1). These isoforms are differentially expressed by various tissues (1). The 7.6 kDa mature IGF-I/IGF-1 is identical between isoforms and is generated by proteolytic removal of the N- and C-terminal regions. Mature human IGF-I/IGF-1 shares 94% and 96% aa sequence identity with mouse and rat IGF-I/IGF-1, respectively (2), and exhibits cross-species activity. It shares 64% aa sequence identity with mature human IGF-II/IGF-2. Circulating IGF-I/IGF-1 is produced by hepatocytes, while local IGF-I/IGF-1 is produced by many other tissues in which it has paracrine effects (1). IGF-I/IGF-1 induces the proliferation, migration, and differentiation of a wide variety of cell types during development and postnatally (3). IGF-I/IGF-1 regulates glucose and fatty acid metabolism, steroid hormone activity, and cartilage and bone metabolism (4 - 7). It plays an important role in muscle regeneration and tumor progression (1, 8). IGF-I binds IGF-I R, IGF-II R, and the insulin receptor, although its effects are mediated primarily by IGF-I R (9). IGF-I/IGF-1 association with IGF binding proteins increases its plasma half-life and modulates its interactions with receptors (10).

References
  1. Philippou, A. et al. (2007) In Vivo 21:45.
  2. Sandberg-Nordqvist, A.C. et al. (1992) Brain Res. Mol. Brain Res. 12:275.
  3. Guvakova, M.A. (2007) Int. J. Biochem. Cell Biol. 39:890.
  4. Clemmons, D.R. (2006) Curr. Opin. Pharmacol. 6:620.
  5. Bluher, S. et al. (2005) Best Pract. Res. Clin. Endocrinol. Metab. 19:577.
  6. Garcia-Segura, L.M. et al. (2006) Neuroendocrinology 84:275.
  7. Malemud, C.J. (2007) Clin. Chim. Acta 375:10.
  8. Samani, A.A. et al. (2007) Endocrine Rev. 28:20.
  9. LeRoith, D. and S. Yakar (2007) Nat. Clin. Pract. Endocrinol. Metab. 3:302.
  10. Denley, A. et al. (2005) Cytokine Growth Factor Rev. 16:421.
Long Name
Insulin-like Growth Factor I/Insulin-like Growth Factor 1
Entrez Gene IDs
3479 (Human); 16000 (Mouse); 24482 (Rat)
Alternate Names
IBP1; IGF1; IGF-1; IGF1A; IGFI; IGF-I; IGF-IA; IGF-IB; insulin-like growth factor 1 (somatomedin C); insulin-like growth factor 1; insulin-like growth factor I; insulin-like growth factor IA; insulin-like growth factor IB; Mechano growth factor; MGF; Somatomedin A; Somatomedin C; somatomedin-C

Product Datasheets

Citations for Human IGF-I/IGF-1 Biotinylated 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. Tough Composite Hydrogels with High Loading and Local Release of Biological Drugs
    Authors: J Li, E Weber, S Guth-Gunde, M Schuleit, A Kuttler, C Halleux, N Accart, A Doelemeyer, A Basler, B Tigani, K Wuersch, M Fornaro, M Kneissel, A Stafford, BR Freedman, DJ Mooney
    Adv Healthc Mater, 2018;0(0):.
    Species: Mouse
    Sample Types: Serum
    Applications: ELISA Detection
  2. Calling Biomarkers in Milk Using a Protein Microarray on Your Smartphone.
    Authors: Ludwig S, Tokarski C, Lang S, van Ginkel L, Zhu H, Ozcan A, Nielen M
    PLoS ONE, 2015;10(8):e0134360.
    Species: Bovine
    Sample Types: Milk
    Applications: Array Development
  3. ATM regulates insulin-like growth factor 1-secretory clusterin (IGF-1-sCLU) expression that protects cells against senescence.
    Authors: Luo X, Suzuki M, Ghandhi S, Amundson S, Boothman D
    PLoS ONE, 2014;9(6):e99983.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: ELISA Development (Detection)
  4. Development and validation of sandwich ELISA microarrays with minimal assay interference.
    Authors: Gonzalez RM, Seurynck-Servoss SL, Crowley SA
    J. Proteome Res., 2008;7(6):2406-14.
    Species: Human
    Sample Types: Serum
    Applications: ELISA Microarray Development
  5. Clinical pharmacodynamic effects of the growth hormone receptor antagonist pegvisomant: implications for cancer therapy.
    Authors: Yin D, Vreeland F, Schaaf LJ, Millham R, Duncan BA, Sharma A
    Clin. Cancer Res., 2007;13(3):1000-9.
    Species: Human
    Sample Types: Plasma
    Applications: ELISA Development

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