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Recombinant Human FGF-8f Protein

Catalog #: 5027-FF
3 Citations Datasheet / COA / SDS

Carrier Free

Catalog # Availability Size / Price Qty
5027-FF-025/CF

With Carrier

Catalog # Availability Size / Price Qty
5027-FF-025
R&D Systems Recombinant Proteins and Enzymes
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Product Details
Citations (3)
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Human FGF-8f Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured in a cell proliferation assay using NR6R‑3T3 mouse fibroblast cells. Rizzino, A. et al. (1988) Cancer Res. 48:4266; Thomas, K. et al. (1987) Methods Enzymol. 147:120. The ED50 for this effect is 0.04-0.2 µg/mL in the presence of 10 µg/mL of heparin.
Source
E. coli-derived human FGF-8 protein
Gln23-Arg244, with an N-terminal Met
Accession #
AAH69106
N-terminal Sequence
Analysis
Met
Predicted Molecular Mass
25.5 kDa
SDS-PAGE
29 kDa, reducing conditions

Product Datasheets

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5027-FF (with carrier)

Product Datasheet
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SDS

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5027-FF/CF (carrier free)

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

5027-FF

Formulation Lyophilized from a 0.2 μm filtered solution in MOPS, Na2SO4, EDTA and DTT with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:
  • 12 months from date of receipt, ≤ -20 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, ≤ -20 °C under sterile conditions after reconstitution.

5027-FF/CF

Formulation Lyophilized from a 0.2 μm filtered solution in MOPS, Na2SO4, EDTA and DTT.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:
  • 12 months from date of receipt, ≤ -20 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, ≤ -20 °C under sterile conditions after reconstitution.
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.

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Background: FGF-8

FGF-8, a member of the fibroblast growth factor family, is a secreted heparin-binding protein that was originally discovered as a growth factor essential for the androgen-dependent growth of mouse mammary carcinoma cells (1-3). Alternative 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 (84 aa for FGF-8f, the longest form in humans; 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 FGF-17 (75%) and FGF-18 (67%), and these three form an FGF subfamily (2). Human and mouse FGF-8f share 98% aa identity (4), while the human FGF-8a sequence, which is common to all isoforms, shares 100% aa identity with mouse, rat and bovine FGF-8a, and 99%, 83%, 83% and 78% aa identity with canine, Xenopus, chicken and zebrafish FGF-8a, respectively. FGF-8 is widely expressed during embryogenesis, and mediates epithelial-mesenchymal transition. 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-8a, b and e have transforming activities, although FGF-8b shows the strongest receptor affinity and oncogenic capacity (1, 5, 9, 10). 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, 11).

References
  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 Tissue 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. 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

Citations for Recombinant Human FGF-8f Protein

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.

3 Citations: Showing 1 - 3
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  1. In vitro modeling of the human dopaminergic system using spatially arranged ventral midbrain-striatum-cortex assembloids
    Authors: Reumann, D;Krauditsch, C;Novatchkova, M;Sozzi, E;Wong, SN;Zabolocki, M;Priouret, M;Doleschall, B;Ritzau-Reid, KI;Piber, M;Morassut, I;Fieseler, C;Fiorenzano, A;Stevens, MM;Zimmer, M;Bardy, C;Parmar, M;Knoblich, JA;
    Nature methods
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Generation of a Quantitative Luciferase Reporter for Sox9 SUMOylation
    Authors: H Saotome, A Ito, A Kubo, M Inui
    Int J Mol Sci, 2020-02-13;21(4):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Fibroblast growth factor 8b induces uncoupling protein 1 expression in epididymal white preadipocytes
    Authors: S Westphal, T Gantert, C Kless, K Hüttinger, M Klingenspo, T Fromme
    Sci Rep, 2019-06-11;9(1):8470.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay

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