Human/Mouse FGF-8 Antibody

Catalog # Availability Size / Price Qty
Cell Proliferation Induced by FGF‑8 and Neutralization by Human and Mouse FGF‑8 Antibody.
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Product Details
Citations (6)
Supplemental Products

Human/Mouse FGF-8 Antibody Summary

Species Reactivity
Human, Mouse
Detects human and mouse FGF-8 in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 2% cross-reactivity with recombinant human  (rh) FGF-5, rhFGF-7, and rhFGF-9 is observed.
Monoclonal Mouse IgG1 Clone # 47109
Protein A or G purified from ascites
E. coli-derived recombinant mouse FGF-8b
Accession # NP_001159834
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.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.


Recommended Concentration
Western Blot
1 µg/mL
Recombinant Human FGF-8a (Catalog # 4745-F8)
Recombinant Mouse FG-8b (Catalog # 423-F8)
Recombinant Mouse FGF-8c (Catalog # 424-FC)
Recombinant Human FGF-8e (Catalog # 4746-F8)
Recombinant Human FGF-8f (Catalog # 5027-FF)
8-25 µg/mL
See below
Measured by its ability to neutralize FGF‑8-induced proliferation in the NR6R‑3T3 mouse fibroblast cell line. Rizzino, A. et al. (1988) Cancer Res. 48:4266. The Neutralization Dose (ND50) is typically 0.25-0.75 µg/mL in the presence of 125 ng/mL Recombinant Mouse FGF‑8 c Isoform and 0.1 µg/mL heparin.

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

Neutralization Cell Proliferation Induced by FGF‑8 and Neutralization by Human and Mouse FGF‑8 Antibody. View Larger

Cell Proliferation Induced by FGF‑8 and Neutralization by Human and Mouse FGF‑8 Antibody. Recombinant Mouse FGF-8 c Isoform (Catalog # 424-FC) stimulates proliferation in the the NR6R-3T3 mouse fibroblast cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Mouse FGF-8 c Isoform (125 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human/Mouse FGF-8 Monoclonal Antibody (Catalog # MAB323). The ND50 is typically 0.25-0.75 µg/mL in the presence of heparin (0.1 µg/mL).

Immunohistochemistry FGF-8 antibody in Human Prostate by Immunohistochemistry (IHC-P). View Larger

FGF‑8 in Human Prostate. FGF-8 was detected in immersion fixed paraffin-embedded sections of human prostate using Mouse Anti-Human/Mouse FGF-8 Monoclonal Antibody (Catalog # MAB323) at 25 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to stromal cell cytoplasm. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 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: FGF-8

FGF-8 is a member of the fibroblast growth factor family that was originally discovered as a growth factor essential for the androgen-dependent growth of mouse mammary carcinoma cells (1-3). Alternate splicing of mouse FGF-8 mRNA generates eight secreted isoforms, designated a-h, but only FGF-8a, b, e and f exist in humans (4). FGF-8 contains a 22 amino acid (aa) signal sequence, an N‑terminal domain that varies according to the isoform (30 aa for FGF-8b; 20 aa for the shortest, FGF-8a), a 125 aa FGF domain and a 37 aa proline‑rich C‑terminal sequence. The FGF domain of FGF-8 shares the most aa identity with FGF17 (75%) and FGF-18 (67%), and the three form an FGF subfamily (2). Mouse FGF-8b shares 100% aa identity with human FGF-8b. FGF-8 is widely expressed during embryogenesis, and mediates epithelial-mesenchymal transitions. It plays an organizing and inducing role during gastrulation, and regulates patterning of the midbrain/hindbrain, eye, ear, limbs and heart in the embryo (2, 5 - 8). The isoforms may play different roles in development. FGF-8b shows the strongest receptor affinity and oncogenic transforming capacity although FGF-8a and FGF-8e are also transforming and have been found in human prostate, breast or ovarian tumors (1, 5, 9-12). FGF-8 shows limited expression in the normal adult, but low levels are found in the reproductive and genitourinary tract, peripheral leukocytes and bone marrow hematopoietic cells (3, 9, 13).

  1. Mattila, M.M. and P.L. Harkonen (2007) Cytokine Growth Factor Rev. 18:257.
  2. Reuss, B. and O. von Bohlen und Halbach (2003) Cell Tiss. Res. 313:139.
  3. Tanaka, A. et al. (1992) Proc. Natl. Acad. Sci. USA 89:8928.
  4. Gemel, J. et al. (1996) Genomics 35:253.
  5. Olsen, S.K. et al. (2006) Genes Dev. 20:185.
  6. Crossley, P.H. et al. (1996) Cell, 84:127.
  7. Heikinheimo, M. et al. (1994) Mech. Dev. 48:129.
  8. Sun, X. et al. (1999) Genes Dev. 13:1834.
  9. Ghosh, A.K. et al. (1996) Cell Growth Differ. 7:1425.
  10. Mattila, M.M. et al. (2001) Oncogene 20:2791.
  11. Valve, E. et al. (2000) Int. J. Cancer 88:718.
  12. Valve, E.M. et al. (2001) Lab. Invest. 81:815.
  13. Nezu, M. et al. (2005) Biochem. Biophys. Res. Commun. 335:843.
Long Name
Fibroblast Growth Factor 8
Entrez Gene IDs
2253 (Human); 14179 (Mouse); 29349 (Rat)
Alternate Names
AIGF; AIGFKAL6; Androgen-induced growth factor; FGF8; FGF-8; fibroblast growth factor 8 (androgen-induced); fibroblast growth factor 8; HBGF-8; Heparin-binding growth factor 8; MGC149376

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Citations for Human/Mouse FGF-8 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.

6 Citations: Showing 1 - 6
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  1. Catalytically inactive Dnmt3b rescues mouse embryonic development by accessory and repressive functions
    Authors: P Nowialis, K Lopusna, J Opavska, SL Haney, A Abraham, P Sheng, A Riva, A Natarajan, O Guryanova, M Simpson, R Hlady, M Xie, R Opavsky
    Nat Commun, 2019-09-26;10(1):4374.
    Species: Mouse
    Sample Types: Tissue Lysates
    Applications: Western Blot
  2. Specificity protein 7 is required for proliferation and differentiation of ameloblasts and odontoblasts
    Authors: JM Bae, JC Clarke, H Rashid, MD Adhami, K McCullough, JS Scott, H Chen, KM Sinha, B de Crombru, A Javed
    J. Bone Miner. Res., 2018-03-24;0(0):.
    Species: Mouse
    Sample Types: Tissue Homogenates, Whole Tissue
    Applications: IHC-P, Western Blot
  3. Fibulin-1 Binds to Fibroblast Growth Factor 8 with High Affinity: Effects on Embryo Survival
    J Biol Chem, 2016-07-08;0(0):.
    Species: Human
    Sample Types: Protein
    Applications: Western Blot
  4. Local apoptosis modulates early mammalian brain development through the elimination of morphogen-producing cells.
    Authors: Nonomura K, Yamaguchi Y, Hamachi M, Koike M, Uchiyama Y, Nakazato K, Mochizuki A, Sakaue-Sawano A, Miyawaki A, Yoshida H, Kuida K, Miura M
    Dev Cell, 2013-12-23;27(6):621-34.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  5. Cell aggregation-induced FGF8 elevation is essential for P19 cell neural differentiation.
    Authors: Wang C, Xia C, Bian W, Liu L, Lin W, Chen YG, Ang SL, Jing N
    Mol. Biol. Cell, 2006-04-26;17(7):3075-84.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: ICC
  6. Regulation of avian cardiogenesis by Fgf8 signaling.
    Authors: Alsan BH, 2019, Schultheiss TM
    e0007247, 2002-04-01;129(8):1935-43.
    Species: Chicken
    Sample Types: In Ovo
    Applications: In Ovo


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