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Human Glypican 4 Antibody

Catalog #: MAB91951 Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
MAB91951-100
MAB91951-SP
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Summary Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human Glypican 4 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Glypican 4 in direct ELISAs.
Source
Monoclonal Mouse IgG2B Clone # 965523
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human Glypican 4
Met1-Ser529
Accession # O75487
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 ELISA detection antibody when paired with Mouse Anti-Human Glypican 4 Monoclonal Antibody (Catalog # MAB9195).

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: Glypican 4

Glypican 4, also known as K-Glypican, is an approximately 220 kDa GPI-anchored heparan sulfate proteoglycan with a 60 kDa protein core (1, 2). It is expressed in brain, kidney, adrenal gland, and fat tissue (1, 3) and binds to basic FGF (2). Mature human Glypican 4 shares 97% and 96% amino acid (aa) sequence identity with mouse and rat Glypican 4, respectively. An alternative splice isoform lacks the N-terminal 70 aa including the signal peptide. In the developing brain, Glypican 4 is found in lateral ventricles surrounding the telencephalon, the dentate gyrus, proliferating neuroepithelial cells, and neural precursors (1, 2). It inhibits the dopaminergic differentiation of neurons (4). A 30 kDa cleaved form of Glypican 4 binds in cis to PTP sigma and contributes to excitatory synapse development and function (5). Glypican 4 is differentially expressed between adipose tissue depots (3). A soluble form can be released by adipocytes and circulates at elevated levels in obese patients with insulin resistance (3, 6). This form binds and enhances signaling through the Insulin R, and it also supports adipocyte differentiation (3). In zebrafish, Glypican 4 is required for cartilage formation and cardiomyocyte differentiation (7, 8).

References
  1. Watanabe, K. et al. (1995) J. Cell Biol. 130:1207.
  2. Hagihara, K. et al. (2000) Dev. Dyn. 219:353.
  3. Ussar, S. et al. (2012) Diabetes 61:2289.
  4. Fico, A. et al. (2014) J. Neurosci. 34:8318.
  5. Ko, J.S. et al. (2015) Proc. Natl. Acad. Sci. USA 112:1874.
  6. Zhu, H.J. et al. (2014) J. Endocrinol. Metab. 99:E2697.
  7. Sisson, B.E. et al. (2015) Mech. Dev. 138:279.
  8. Strate, I. et al. (2015) Development 142:1767.
Entrez Gene IDs
2239 (Human); 14735 (Mouse); 317322 (Rat)
Alternate Names
Glypican 4; glypican proteoglycan 4; glypican-4; GPC4; K-glypican; K-glypicandJ900E8.1 (glypican 4)

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