Mouse FGF-23 Antibody

Catalog # Availability Size / Price Qty
FGF‑23 in Mouse Brain.
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Product Details
Citations (10)
Supplemental Products

Mouse FGF-23 Antibody Summary

Species Reactivity
Detects mouse FGF-23 in direct ELISAs and Western blots. In direct ELISAs, this antibody shows approximately 50% cross-reactivity with recombinant human (rh) FGF-23. In Western blots, this antibody does not cross-react with rhFGF-3, -4, -5, -7, -9, -10, -11, -12, -13, -16, -17, -18, -19, acidic, basic, rmFGF-8b, -8c, -15, or -21.
Monoclonal Rat IgG2A Clone # 283507
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant mouse FGF-23
Tyr25-Val251 (Arg179Gln)
Accession # Q9EPC2
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
8-25 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.

Scientific Data

Immunohistochemistry FGF-23 antibody in Mouse Brain by Immunohistochemistry (IHC-P) by Immunohistochemistry (IHC-Fr). View Larger

FGF‑23 in Mouse Brain. FGF-23 was detected in perfusion fixed frozen sections of mouse brain (cortex) using Rat Anti-Mouse FGF-23 Monoclonal Antibody (Catalog # MAB26291) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Rat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS017) and counterstained with hematoxylin (blue). Specific staining was localized to glial cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

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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-23

Fibroblast growth factor 23 (FGF-23) is a 30-32 kDa member of the FGF gene family. Based on its structure, it is further classified as an FGF19 subfamily member. This subfamily includes FGF-19, -21, and -23. Like all other FGF subfamilies, FGF-19 subfamily members contain a 120 amino acid (aa) core FGF domain that exhibits a beta -trefoil structure (1, 2). Unlike other FGF subfamilies, FGF-19 subfamily members exist as highly diffusible molecules that is attributed to poor ECM/heparin sulfate binding (3-6). The cDNA for mouse FGF-23 predicts a 251 aa polypeptide that contains a 24 aa signal sequence and a 227 aa mature region (7). Mature mouse FGF-23 shows 72% aa identity to human FGF-23 (8). The FGF-19 subfamily shares an unusual receptor configuration. The standard model for FGF signaling requires an FGF:FGF R:heparin sulfate complex. Given FGF-23’s minimal association with heparin, a substitute termed ( alpha -) Klotho has evolved that serves the same function. Although FGF-23 binds to the widely expressed “c” isoforms of FGF R1 and 3 plus FGF R4, Klotho has a restricted distribution that limits FGF-23 activity (10-12). It should be noted that heparin-dependency has been reported for FGF-19 signaling, and this observation may extend to FGF-23 (13). The FGF-19 subfamily is considered endocrine in nature. All three subfamily members impact some aspect of metabolism and all three are induced by a nuclear receptor heterodimer that includes the retinoid X receptor (14-16). FGF-23 is considered a phosphatonin; that is, a molecule that reduces circulating plasma phosphate. It is produced by osteocytes and osteoblasts in response to high circulating phosphate levels, elevated parathyroid hormone that induces hypercalcemia, and circulatory volume loading. Upon binding to FGF-23 receptors on renal proximal tubular epithelium, two basic changes are seen. First, the enzyme responsible for generating the active form of vitamin D is suppressed, resulting in decreased levels of bioactive vitamin D. Since vitamin D promotes intestinal phosphate absorption, plasma phosphate declines. Second, the transporters responsible for phosphate resorption on renal epithelium are down regulated, resulting in decreased uptake from urine and again a decline in blood phosphorus (17, 18).

  1. Itoh, N. and D.M. Ornitz (2004) Trends Genet. 20:563. 
  2. Mohammadi, M. et al. (2005) Cytokine Growth Factor Rev. 16:107.
  3. Fukumoto, S. (2007) Endocr. J. Sep 14; [Epub ahead of print].
  4. Huang, X. et al. (2006) Mol. Carcinog. 45:934. 
  5. Goetz, R. et al. (2007) Mol. Cell. Biol. 27:3417.
  6. Harmer, N.J. et al. (2004) Biochemistry 43:629.
  7. Yamashita, T. et al. (2000) Biochem. Biophys. Res. Commun. 277:494.
  8. Shimada, T. et al. (2001) Proc. Natl. Acad. Sci. USA 98:6500.
  9. Kato, K. et al. (2006) J. Biol. Chem. 281:18370.
  10. Zhang, X. et al. (2006) J. Biol. Chem. 281:15694.
  11. Urakawa, I. et al. (2006) Nature 444:770.
  12. Hurosu, H. et al. (2006) J. Biol. Chem. 281:6120.
  13. Wu, X. et al. (2007) J. Biol. Chem. 282:29069.
  14. Moore, D.D. (2007) Science 316:1436.
  15. Ogawa, Y. et al. (2007) Proc. Natl. Acad. Sci. USA 104:7432.
  16. Kurosu, H. et al. (2007) J. Biol. Chem. 282:26687.
  17. Razzaque, M.S. and B. Lanske (2007) J. Endocrinol. 194:1.
  18. Liu, S. et al. (2007) Curr. Opin. Nephrol. Hypertens. 16:329.
Long Name
Fibroblast Growth Factor 23
Entrez Gene IDs
8074 (Human); 64654 (Mouse)
Alternate Names
ADHR; FGF23; FGF-23; fibroblast growth factor 23; HPDR2; HYPF; phosphatonin; PHPTC; tumor-derived hypophosphatemia inducing factor; Tumor-derived hypophosphatemia-inducing factor

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Citations for Mouse FGF-23 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.

10 Citations: Showing 1 - 10
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  1. FGF receptor inhibitor BGJ398 partially rescues osteoarthritis-like phenotype in older high molecular weight FGF2 transgenic mice via multiple mechanisms
    Authors: MM Hurley, JD Coffin, T Doetschman, C Valera, K Clarke, L Xiao
    Scientific Reports, 2022;12(1):15968.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  2. Induction of somatopause in adult mice compromises bone morphology and exacerbates bone loss during aging
    Authors: M Dixit, S Duran-Orti, G Yildirim, SB Poudel, LD Louis, A Bartke, MB Schaffler, JJ Kopchick, S Yakar
    Aging Cell, 2021;0(0):e13505.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  3. Lack of PTEN in osteocytes increases circulating phosphate concentrations by decreasing intact fibroblast growth factor 23 levels
    Authors: M Kawai, S Kinoshita, K Ozono, T Michigami
    Scientific Reports, 2020;10(1):21501.
    Species: Rat
    Sample Types: Whole Tissue
    Applications: IHC
  4. Fibroblast growth factor 23 is upregulated in the kidney in a chronic kidney disease rat model
    Authors: H Sugiura, A Matsushita, M Futaya, A Teraoka, KI Akiyama, N Usui, N Nagano, K Nitta, K Tsuchiya
    PLoS ONE, 2018;13(3):e0191706.
    Species: Rat
    Sample Types: Tissue Homogenates
    Applications: Western Blot
  5. Chronological immunolocalization of sclerostin and FGF23 in the mouse metaphyseal trabecular and cortical bone
    Authors: A Sakurai, T Hasegawa, A Kudo, Z Shen, T Nagai, M Abe, T Yoshida, H Hongo, T Yamamoto, T Yamamoto, K Oda, PHL Freitas, M Li, H Sano, N Amizuka
    Biomed. Res., 2017;38(4):257-267.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC-P
  6. Targeted disruption of NF1 in osteocyte increases FGF23 and osteoid with osteomalacia-like bone phenotype
    Authors: N Kamiya, R Yamaguchi, O Aruwajoye, A Kim, G Kuroyanagi, M Phipps, NS Adapala, JQ Feng, HKW Kim
    J. Bone Miner. Res., 2017;0(0):.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC-P
  7. Dietary phosphate supplement does not rescue skeletal phenotype in a mouse model for craniometaphyseal dysplasia
    Authors: I-Ping Chen
    J Negat Results Biomed, 2016;15(1):18.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC
  8. Immunolocalization of osteocyte-derived molecules during bone fracture healing of mouse ribs
    Authors: Z Liu, T Yamamoto, T Hasegawa, H Hongo, K Tsuboi, E Tsuchiya, M Haraguchi, M Abe, PH Freitas, A Kudo, K Oda, M Li, N Amizuka
    Biomed Res, 2016;37(2):141-51.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: IHC-P
  9. Renal expression of FGF23 and peripheral resistance to elevated FGF23 in rodent models of polycystic kidney disease.
    Authors: Spichtig D, Zhang H, Mohebbi N, Pavik I, Petzold K, Stange G, Saleh L, Edenhofer I, Segerer S, Biber J, Jaeger P, Serra A, Wagner C
    Kidney Int, 2014;85(6):1340-50.
    Species: Rat
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  10. Renal phosphate wasting due to tumor-induced osteomalacia: a frequently delayed diagnosis.
    Authors: Gore MO, Welch BJ, Geng W, Kabbani W, Maalouf NM, Zerwekh JE, Moe OW, Sakhaee K
    Kidney Int., 2008;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC


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