Human IGF-I Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
MAB2911
MAB2911-SP
IGF‑I  in Human Placenta.
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Human IGF-I Antibody Summary

Species Reactivity
Human
Specificity
Detects human IGF-1 in direct ELISAs.
Source
Recombinant Monoclonal Goat IgG Clone # 40017A
Purification
Protein A or G purified from cell culture supernatant
Immunogen
E.coli-derived recombinant human IGF-1
Gly49-Ala118
Accession # P05019
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Immunohistochemistry
3-25 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 IGF‑I  in Human Placenta. View Larger

IGF‑I in Human Placenta. IGF‑I was detected in immersion fixed paraffin-embedded sections of human placenta using Goat Anti-Human IGF‑I Recombinant Monoclonal Antibody (Catalog # MAB2911) at 3 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 cytoplasm in decidual cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 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: IGF-I

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 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 is identical between isoforms and is generated by proteolytic removal of the N- and C-terminal regions. Mature human IGF‑I shares 94% and 96% aa sequence identity with mouse and rat IGF-I, respectively (2), and exhibits cross-species activity. It shares 64% aa sequence identity with mature human
IGF‑II. Circulating IGF‑I is produced by hepatocytes, while local IGF-I is produced by many other tissues in which it has paracrine effects (1). IGF-I induces the proliferation, migration, and differentiation of a wide variety of cell types during development and postnatally (3). IGF-I 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 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
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

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Cell and Tissue Staining Kits

Immunohistochemistry Reagents

Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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Human IGF-I Antibody
By Anonymous on 04/01/2018
Application: ELISA Sample Tested: Tumor cell lyastes Species: Human