Human Inhibin Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB338

Recombinant Monoclonal Antibody.
R&D Systems, part of Bio-Techne
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MAB338-100
MAB338-SP
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Key Product Details

Species Reactivity

Validated:

Human

Applications

ELISA

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Mouse IgG1 Clone # 130408R

View all Inhibin Antibodies »

Product Summary for Human Inhibin Antibody

Immunogen

Chinese hamster ovary cell line CHO-derived recombinant human Inhibin alpha chain
Accession # P05111

Specificity

Detects human Inhibin alpha chain in direct ELISAs. In sandwich immunoassays, this antibody captures the human Inhibin alpha chain and detects either human Inhibin A or human Inhibin B based on the detection antibody.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human Inhibin Antibody

Application
Recommended Usage

ELISA

This antibody functions as an Inhibin A ELISA capture antibody when paired with Goat Anti-Human INHBA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF10024) or Inhibin B ELISA capture antibody when paired with Goat Anti-Human INHBB Antigen Affinity-purified Polyclonal Antibody (Catalog # AF659).

This product is intended for assay development on various assay platforms requiring antibody pairs.

Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Reconstitution

Reconstitute at 0.5 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: Inhibin

Activin and Inhibin are members of the TGF-beta superfamily of cytokines and are involved in a wide range of biological processes including tissue morphogenesis and repair, fibrosis, inflammation, neural development, hematopoiesis, reproductive system function, and carcinogenesis (1‑7). Activin and Inhibin are produced as precursor proteins. Their amino terminal propeptides are proteolytically cleaved and facilitate formation of disulfide-linked dimers of the bioactive proteins (8, 9). Activins are nonglycosylated homodimers or heterodimers of various beta subunits ( betaA, betaB, betaC, and betaE in mammals), while Inhibins are heterodimers of a unique alpha subunit and one of the beta subunits. Activin A is a widely expressed homodimer of two betaA chains. The betaA subunit can also heterodimerize with a betaB or betaC subunit to form Activin AB and Activin AC, respectively (10). The 14 kDa mature human betaA chain shares 100% amino acid sequence identity with bovine, feline, mouse, porcine, and rat betaA. Activin A exerts its biological activities by binding to the type 2 serine/threonine kinase Activin RIIA which then noncovalently associates with the type 1 serine/threonine kinase Activin RIB/ALK-4 (7, 11). Signaling through this receptor complex leads to Smad activation and regulation of activin-responsive gene transcription (7, 11). The bioactivity of Activin A is regulated by a variety of mechanisms (11). BAMBI, Betaglycan, and Cripto are cell-associated molecules that function as decoy receptors or limit the ability of Activin A to induce receptor complex assembly (12‑14). The intracellular formation of Activin A can be prevented by the incorporation of the betaA subunit into Activin AC or Inhibin A (3, 10). And the bioavailability of Activin A is restricted by its incorporation into inactive complexes with alpha2-Macroglobulin, Follistatin, and FLRG (15, 16).

References

  1. Kumanov, P. et al. (2005) Reprod. Biomed. Online 10:786.
  2. Maeshima, A. et al. (2008) Endocr. J. 55:1.
  3. Rodgarkia-Dara, C. et al. (2006) Mutat. Res. 613:123.
  4. Werner, S. and C. Alzheimer (2006) Cytokine Growth Factor Rev. 17:157.
  5. Xu, P. and A.K. Hall (2006) Dev. Biol. 299:303.
  6. Shav-Tal, Y. and D. Zipori (2002) Stem Cells 20:493.
  7. Chen, Y.G. et al. (2006) Exp. Biol. Med. 231:534.
  8. Gray, A.M. and A.J. Mason (1990) Science 247:1328.
  9. Mason, A.J. et al. (1996) Mol. Endocrinol. 10:1055.
  10. Thompson, T.B. et al. (2004) Mol. Cell. Endocrinol. 225:9.
  11. Harrison, C.A. et al. (2005) Trends Endocrinol. Metab. 16:73.
  12. Onichtchouk, D. et al. (1999) Nature 401:480.
  13. Gray, P.C. et al. (2002) Mol. Cell. Endocrinol. 188:254.
  14. Kelber, J.A. et al. (2008) J. Biol. Chem. 283:4490.
  15. Phillips, D.J. et al. (1997) J. Endocrinol. 155:65.
  16. Schneyer, A. et al. (2003) Endocrinology 144:1671.

Alternate Names

INHA

UniProt

P05111

Additional Inhibin Products

Product Documents for Human Inhibin Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Inhibin Antibody

For research use only

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