Human VSTM2A Antibody

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Human VSTM2A ELISA Standard Curve.
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Product Details
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Human VSTM2A Antibody Summary

Species Reactivity
Detects human VSTIM-2A in direct ELISAs.
Monoclonal Mouse IgG2B Clone # 1024718
Protein A or G purified from hybridoma culture supernatant
Human embryonic kidney cell HEK293-derived human VSTM2A
Accession # Q8TAG5-2
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.


Recommended Concentration

This antibody functions as an ELISA capture antibody when paired with Mouse Anti-Human VSTM2A Monoclonal Antibody (Catalog # MAB100371).

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.

Scientific Data

Human VSTM2A ELISA Standard Curve. Recombinant Human VSTM2A protein was serially diluted 2-fold and captured by Mouse Anti-Human VSTM2A Monoclonal Antibody (Catalog # MAB10037) coated on a Clear Polystyrene Microplate (DY990). Mouse Anti-Human VSTM2A Monoclonal Antibody (MAB100371) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (DY998) followed by Substrate Solution (DY999) and stopping the enzymatic reaction with Stop Solution (DY994).

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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: VSTM2A

V-set and transmembrane domain-containing protein 2A (VSTM2A) is a secreted glycoprotein that is expressed by committed preadipocytes. N-linked glycosylation is crucial for its secretion, but not for preadipocyte cell differentiation activity. It is expressed during adipocyte development and its over-expression promotes adipogenesis (1). VSTM2A is highly expressed in the brain and Vstm2a was identified as an enigmatic gene that is highly produced in mouse brain (1, 2). A positive association has been observed between Vstm2a and Pparg2. VSTM2A plays a role in the regulation of the early stage of white and brown preadipocyte cell differentiation. It promotes adipogenic commitment of preadipocytes by increasing gene expression of the transcription factor PPARG in a BMP4-dependent signaling pathway (1, 3). In humans, two isoforms (1 and 2) exist due to alternative splicing. Human VSTM2A is synthesized either as a 236 amino acid (aa) (Isoform 1) or a 244 aa (Isoform 2) precursor that contains a 24 aa signal sequence followed by the VSTM2A domain. Human Isoform 2 VSTM2A shares 78% aa sequence identity with mouse and rat VSTM2A.

  1. Secco, B. et al. (2017) Cell Rep. 18:93.
  2. Pandey, A.K. et al. (2014) PloS One. 9:e88889.
  3. Berry, D.C. et al. (2013) Development. 140:3939.
Long Name
V-Set And Transmembrane Domain Containing 2A
Entrez Gene IDs
222008 (Human); 211739 (Mouse); 689106 (Rat)
Alternate Names
MGC33530; V-set and transmembrane domain containing 2; V-set and transmembrane domain containing 2A; V-set and transmembrane domain-containing protein 2A; VSTM2; VSTM2A

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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