Mouse FGF-4 Alexa Fluor® 532-conjugated Antibody

Catalog #: FAB5846X Datasheet / COA / SDS

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FAB5846X-100UG

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All FGF-4 Antibodies

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Mouse FGF-4 Alexa Fluor® 532-conjugated Antibody Summary

Species Reactivity

Mouse

Specificity

Detects mouse FGF-4 in direct ELISAs. In direct ELISAs, 10% - 50% cross-reactivity with recombinant mouse (rm) FGF-10, rmFGF-7, recombinant human (rh) FGF-16, rhFGF-20 and less than 5% cross-reactivity with rmFGF acidic, rmFGF basic, rmFGF-6, -8b, -

Source

Monoclonal Rat IgG2b Clone # 678431

Purification

Protein A or G purified

Immunogen

E. coli-derived recombinant mouse FGF-4
Ala30-Leu202
Accession # NP_034332

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 532 (Excitation= 534 nm, Emission= 553 nm)

Applications

Recommended Concentration

Sample

Immunohistochemistry

Optimal dilution of this antibody should be experimentally determined.

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

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: FGF-4

FGF-4 (fibroblast growth factor-4), also known as FGF-K or K-FGF (Kaposi’s sarcoma-associated FGF), is a 25 kDa secreted, heparin-binding member of the FGF family (1, 2). The mouse FGF-4 cDNA encodes 202 amino acids (aa) with a 29 aa signal sequence and a 173 aa mature protein with an FGF homology domain that contains a heparin binding region near the C-terminus (2). Mature mouse FGF-4 shares 87%, 90%, 87% and 85% aa identity with human, rat, canine and bovine FGF‑4, respectively. Human FGF-4 has been shown to exhibit cross species activity. Expression of FGF-4 and its receptors, FGF R1c, 2c, 3c and 4, is spatially and temporally regulated during embryonic development (1, 3). Its expression in the trophoblast inner cell mass promotes expression of FGF R2, and is required for maintenance of the trophectoderm and primitive endoderm (3‑5). Later in development, FGF-4 works together with FGF-8 to mediate the activities of the apical ectodermal ridge, which direct the outgrowth and patterning of vertebrate limbs (3, 6‑9). FGF-4 is proposed to play a physiologically relevant role in human embryonic stem cell self-renewal. It promotes stem cell proliferation, but may also aid differentiation depending on context and concentration, and is often included in embryonic stem cell media in vitro (10‑12). A C-terminally truncated 15 kDa isoform that opposes full-length FGF-4 and promotes differentiation is endogenously expressed in human embryonic stem cells. FGF-4 is mitogenic for fibroblasts and endothelial cells in vitro and has autocrine transforming potential (13). It is a potent angiogenesis promoter in vivo and has been investigated as therapy for coronary artery disease (14).

Long Name

Fibroblast Growth Factor 4

Entrez Gene IDs

2249 (Human); 14175 (Mouse); 116499 (Rat)

Alternate Names

FGF4; FGF-4; fibroblast growth factor 4; HBGF-4; HBGF-4Transforming protein KS3; heparin secretory transforming protein 1; Heparin secretory-transforming protein 1; Heparin-binding growth factor 4; HST-1; HST-1HSTF-1; HSTF1fibroblast growth factor 4 splice isoform; HSTFGF-4; human stomach cancer, transforming factor from FGF-related oncogene; kaposi sarcoma oncogene; KFGF; K-FGF; KS3; oncogene HST