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Human Inhibin Antibody

Catalog #: MAB338 Datasheet / COA / SDS
Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
MAB338-100
MAB338-SP
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Summary Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human Inhibin Antibody Summary

Species Reactivity
Human
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.
Source
Recombinant Monoclonal Mouse IgG1 Clone # 130408R
Purification
Protein A or G purified from cell culture supernatant
Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human Inhibin alpha chain
Accession # P05111
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
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 should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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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 ( beta A, beta B, beta C, and beta E 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 beta A chains. The beta A subunit can also heterodimerize with a beta B or beta C subunit to form Activin AB and Activin AC, respectively (10). The 14 kDa mature human beta A chain shares 100% amino acid sequence identity with bovine, feline, mouse, porcine, and rat beta A. 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 beta A subunit into Activin AC or Inhibin A (3, 10). And the bioavailability of Activin A is restricted by its incorporation into inactive complexes with alpha 2-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; Inhibin

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