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S7320

Sigma-Aldrich

Anti-Spred-2 antibody produced in rabbit

~1 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-Sprouty Protein with EVH-1 Domain 2

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.44

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

~48 kDa

species reactivity

human, mouse, rat

concentration

~1 mg/mL

technique(s)

indirect immunofluorescence: 5-10 μg/mL using PC-12 cell lines
microarray: suitable
western blot: 1-2 μg/mL using cell extracts of HepG2
western blot: 2-4 μg/mL using mouse liver extracts

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

General description

Anti-Spred-2 is developed in rabbit using as immunogen a synthetic peptide corresponding to amino acids of mouse Spred-2, conjugated to KLH via an N terminal added cysteine residue. Spred-2, also known as sprouty protein with EVH-1 domain 2 related sequence, was isolated by similarity to Spred-1, which in turn was isolated from an osteoclast complementary DNA library by a two-hybrid system using c-Kit and c-Fms tyrosine kinase domains as bait. These proteins contain a carboxy-terminal cysteine-rich domain related to sprouty (the SPR domain), and an amino-terminal Ena/vasodilator stimulated phosphoprotein (VASP) homology (EVH-1) domain. This gene is mapped to human chromosome 2p14.
Spred proteins mainly function as inhibitors of the ERK and MAPK signaling cascades. Phosphorylation and Cbl-dependent ubiquitination regulate Spred-2 expression levels. Spred2 negatively modulates the hypothalamic-pituitary-adrenal axis . Anti-Spred-2 antibody is specific for human, rat, and mouse Spred-2 (approx. 48 kDa). Staining of the Spred-2 band in immunoblotting is specifically inhibited by the immunizing peptide.

Immunogen

synthetic peptide corresponding to amino acids 280-297 of mouse Spred 2. The sequence is conserved in rat and differs from human by three amino acids.

Application

Anti-Spred-2 antibody produced in rabbit has been used in western blotting and indirect immunofluorescence.

Biochem/physiol Actions

Spred inhibits growth factor mediated activation of MAP kinase. Spred inhibits the activation of MAP kinase probably by mechanisms such as suppression of phosphorylation and activation of Raf. Spred-2 functions as a negative regulator of AGM (aorta-gonad-mesonephros) hematopoiesis by inhibiting hematopoietic cytokine signaling. Spred proteins are also regulators of Rho-mediated cell motility.

Physical form

Solution in 0.01 M phoshate buffered saline, pH 7.4, 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The VASP-Spred-sprouty domain puzzle
Bundschu K, et al.
The Journal of Biological Chemistry, 281(48), 36477-36481 (2006)
Genetic variants associated with rheumatoid arthritis patients and serotypes in European populations
Ruiz LN, et al.
Clinical and Experimental Rheumatology, 34(2), 236-241 (2016)
Peter Lock et al.
Biochemical and biophysical research communications, 351(4), 1018-1023 (2006-11-11)
Spred proteins modulate growth factor receptor signaling by inhibiting the Ras-MAPK cascade. Here, we show that Spred-1, Spred-2, and Spred-3 are ubiquitinated in HEK293T cells stimulated with epidermal growth factor (EGF) or pervanadate. Spred-2 tyrosines Y228 and/or Y231 in the
Melanie Ullrich et al.
The Journal of biological chemistry, 286(11), 9477-9488 (2011-01-05)
Sprouty-related proteins with EVH1 (enabled/vasodilator-stimulated phosphoprotein homology 1) domain (SPREDs) are inhibitors of MAPK signaling. To elucidate SPRED2 in vivo function, we characterized body homeostasis in SPRED2(-/-) mice. They showed a doubled daily water uptake, induced by elevated serum osmolality
MicroRNA-31 initiates lung tumorigenesis and promotes mutant KRAS-driven lung cancer
Edmonds MD, et al.
The Journal of Clinical Investigation, 126(1), 349-364 (2016)

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