Human/Mouse/Rat GDF-8/Myostatin Antibody

R&D Systems, part of Bio-Techne | Catalog # AF788

R&D Systems, part of Bio-Techne
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AF788
AF788-SP
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Biotin
BAF788
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Key Product Details

Species Reactivity

Validated:

Human, Mouse, Rat

Cited:

Human, Mouse, Rat, Rabbit

Applications

Validated:

Immunohistochemistry, Neutralization, Western Blot

Cited:

Immunocytochemistry, Immunohistochemistry, Immunohistochemistry-Frozen, In vivo assay, Neutralization, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG

View all GDF-8/Myostatin Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant mouse GDF-8/Myostatin
Asp268-Ser376
Accession # O08689

Specificity

Detects human, mouse, and rat GDF-8/Myostatin in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Scientific Data Images for Human/Mouse/Rat GDF-8/Myostatin Antibody

Detection of Recombinant Human, Mouse, and Rat GDF-8/Myostatin antibody by Western Blot.

Detection of Recombinant Human, Mouse, and Rat GDF-8/Myostatin by Western Blot.

Western blot shows 25 ng of Recombinant Human/Mouse/Rat GDF-8/Myostatin (788-G8), Recombinant Human/Mouse/Rat GDF-11/BMP-11 (Catalog # 1958-GD), Recombinant Human BMP-6 (507-BP), and Recombinant Mouse BMP-6 (Catalog # 6325-BM). PVDF Membrane was probed with 0.1 µg/mL of Goat Anti-Human/Mouse/Rat GDF-8/Myostatin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF788) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for GDF-8/Myostatin at approximately 14 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 3.
GDF-8/Myostatin antibody in Mouse Embryo by Immunohistochemistry (IHC-Fr).

GDF‑8/Myostatin in Mouse Embryo.

GDF-8/Myostatin was detected in immersion fixed frozen sections of mouse embryo (10 d.p.c., section through neural tube) using Goat Anti-Human/Mouse/Rat GDF-8/Myostatin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF788) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
Hemoglobin Expression Induced by GDF‑8/Myostatin and Neutralization by Mouse GDF‑8/Myostatin Antibody.

Hemoglobin Expression Induced by GDF‑8/Myostatin and Neutralization by Mouse GDF‑8/Myostatin Antibody.

Recombinant Mouse GDF-8/Myostatin (Catalog # 788-G8) increases hemoglobin expression in the K562 human chronic myelogenous leukemia cell line in a dose-dependent manner (orange line), as measured by the psuedoperoxidase assay. Hemoglobin expression elicited by Recombinant Mouse GDF-8/Myostatin (30 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human/Mouse/Rat GDF-8/Myostatin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF788). The ND50 is typically 0.6-3 µg/mL.

Applications for Human/Mouse/Rat GDF-8/Myostatin Antibody

Application
Recommended Usage

Immunohistochemistry

5-15 µg/mL
Sample: Perfusion fixed frozen sections of mouse embryo (10 d.p.c., section through neural tube)

Western Blot

0.1 µg/mL
Sample: Recombinant Human/Mouse/Rat GDF‑8/Myostatin (Catalog # 788-G8)

Neutralization

Measured by its ability to neutralize GDF‑8/Myostatin-induced hemoglobin expression in the K562 human chronic myelogenous leukemia cell line. The Neutralization Dose (ND50) is typically 0.6-3 µg/mL in the presence of 30 ng/mL Recombinant Mouse GDF‑8/Myostatin.

Reviewed Applications

Read 4 reviews rated 3.5 using AF788 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

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.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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: GDF-8/Myostatin

Growth Differentiation Factor 8 (GDF-8), also known as myostatin, is a member of the TGF-beta superfamily that is expressed specifically in developing and adult skeletal muscle. GDF-8 cDNA encodes a 376 amino acid (aa) prepropeptide with a 24 aa residue signal peptide, a 223 aa residue amino-terminal propeptide, and a 109 aa residue carboxy-terminal mature protein. Mature GDF-8 contains the canonical 7-cysteine motif common to other TGF-beta superfamily members. Similar to the TGF-beta s, activins and BMP-11, GDF-8 also contains one extra pair of cysteine residues that is not found in other family members. The bioactive form of GDF-8 is a homodimer with an apparent molecular weight of approximately 25 kDa. GDF-8 is highly conserved across species. At the amino acid sequence level, mature human, mouse, rat and cow GDF-8 are 100% identical. Within the TGF-beta superfamily, GDF-8 is most closely related to BMP-11, a mammalian protein that acts as a dorsal mesoderm and neural inducer in Xenopus explants. The two proteins share 90% amino acid sequence identity within their mature chain. A targeted disruption of GDF-8 in mouse results in large mice with a widespread increase in skeletal muscle mass, indicating that GDF-8 is a negative regulator of skeletal muscle growth. A mutation in the bovine GDF-8 gene has been shown to be responsible for the double-muscled phenotype in cattle breeds such as Belgian Blue cattle that is characterized by an increase in muscle mass. GDF-8 has also been shown to inhibit preadipocyte differentiation to adipocytes. Mature GDF-8 binds to activin type II receptors and the binding is antagonized by the activin-binding protein, follistatin. R&D Systems recombinant GDF-8 preparations have been shown to act similarly to Activin A in both the Xenopus animal cap and the K562 assays.

References

  1. Storm, E.E. et al. (1994) Nature 368:639.
  2. Sharma, M. et al. (1999) J. Cell Physiol. 180:1.
  3. McPherron, A.C. et al. (1997) Nature 387:83.
  4. Lee, S.J. et al. (2001) Proc. Natl. Acad. Sci. USA 98:9306.
  5. Kim, H.S. et al. (2001) Biochem. Biophys. Res. Commun. 281:902.

Long Name

Growth Differentiation Factor 8

Alternate Names

GDF8, MSLHP, MSTN, Myostatin

Entrez Gene IDs

2660 (Human); 17700 (Mouse)

Gene Symbol

MSTN

UniProt

O08689

Additional GDF-8/Myostatin Products

Product Documents for Human/Mouse/Rat GDF-8/Myostatin Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human/Mouse/Rat GDF-8/Myostatin Antibody

For research use only

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