Mouse IGFBP-L1 Antibody

Catalog # Availability Size / Price Qty
Product Details
Citations (2)
Supplemental Products

Mouse IGFBP-L1 Antibody Summary

Species Reactivity
Detects mouse IGFBP-L1 in direct ELISAs and Western blots. In direct ELISAs, approximately 10% cross‑reactivity with recombinant human IGFBP-L1 is observed and less than 1% cross-reactivity with recombinant mouse IGFBP-7 is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant mouse IGFBP-L1
Accession # Q80W15
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.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Mouse IGFBP-L1 (Catalog # 4130-BL)
5-15 µg/mL
Immersion fixed frozen sections of embyronic mouse brain (E13.5)

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.

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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-L1

Insulin-like Growth Factor Binding Protein-Like 1 (IGFBP‑L1), also known as IGFBP-rP4, is a 38 kDa secreted member of the IGFBP superfamily of proteins. 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 (1). IGFBP-L1 contains an N-terminal IGFBP motif, a Kazal-type serine protease inhibitor region, and a C‑terminal Ig-like domain (2, 3). Mature mouse IGFBP-L1 shares 76% and 96% amino acid (aa) sequence identity with human and rat IGFBP-L1, respectively. It shares 38%-41% aa sequence identity with mouse IGFBP-7 and IGFBP-rp10 and 20%‑24% aa sequence identity with mouse IGFBP-1, -2, -3, -4, -5, and -6. IGFBP-L1 is most highly expressed in testis and brain, while lower levels are more broadly expressed (3). IGFBP-L1 is expressed in regionally and temporally distinct patterns during forebrain development (4). IGFBP-L1 inhibits cell proliferation in vitro and is downregulated in many colon and lung tumors (3). Transcriptional downregulation by promoter methylation is predictive of breast cancer aggressiveness (5).

  1. Firth, S.M. and R.C. Baxter (2002) Endocr. Rev. 23:824.
  2. Accession # Q80W15.
  3. Cai, Z. et al. (2005) Biochem. Biophys. Res. Commun. 331:261.
  4. Gonda, Y. et al. (2007) Gene Expr. Patterns 7:431.
  5. Smith, P. et al. (2007) Clin. Cancer Res. 13:4061.
Long Name
Insulin-like Growth Factor Binding Protein-like 1
Entrez Gene IDs
347252 (Human); 75426 (Mouse)
Alternate Names
bA113O24.1; IGFBPL1 insulin-like growth factor binding protein-like 1; IGFBPL1; IGFBP-L1; IGFBP-RP4

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Citations for Mouse IGFBP-L1 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. Neural precursor cells tune striatal connectivity through the release of IGFBPL1
    Authors: E Butti, S Cattaneo, M Bacigalupp, M Cambiaghi, GM Scotti, E Brambilla, F Ruffini, G Sferruzza, M Ripamonti, F Simeoni, L Cacciaguer, A Zanghì, A Quattrini, R Fesce, P Panina-Bor, F Giannese, D Cittaro, T Kuhlmann, P D'Adamo, MA Rocca, S Taverna, G Martino
    Nature Communications, 2022-12-08;13(1):7579.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC/IF
  2. IGFBPL1 Regulates Axon Growth through IGF-1-mediated Signaling Cascades
    Authors: C Guo, KS Cho, Y Li, K Tchedre, C Antolik, J Ma, J Chew, TP Utheim, XA Huang, H Yu, MTA Malik, N Anzak, DF Chen
    Sci Rep, 2018-02-01;8(1):2054.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC


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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

Goat IgG (H+L) Antibody


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