Nicastrin Antibody Cat. No.: 3983

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psi-iconSpecifications
HOST SPECIES:Rabbit
SPECIES REACTIVITY: Human, Mouse, Rat
IMMUNOGEN: Nicastrin antibody was raised against a 17 amino acid synthetic peptide from near the carboxy terminus of human Nicastrin.

The immunogen is located within amino acids 630 - 680 of Nicastrin.
TESTED APPLICATIONS: ELISA, IF, IHC-P, WB
APPLICATIONS: Nicastrin antibody can be used for detection of Nicastrin by Western blot at 0.5 - 2 μg/mL. Antibody can also be used for immunohistochemistry starting at 5 μg/mL. For immunofluorescence start at 20 μg/mL.

Antibody validated: Western Blot in mouse samples; Immunohistochemistry in human samples and Immunofluorescence in human samples. All other applications and species not yet tested.
POSITIVE CONTROL:1) Cat. No. 1403 - Mouse Brain Tissue Lysate
 2) Cat. No. 1303 - Human Brain Tissue Lysate
 3) Cat. No. 10-301 - Human Brain Tissue Slide

psi-iconProperties
PURIFICATION:Nicastrin Antibody is affinity chromatography purified via peptide column.
CLONALITY:Polyclonal
ISOTYPE:IgG
CONJUGATE:Unconjugated
PHYSICAL STATE:Liquid
BUFFER:Nicastrin Antibody is supplied in PBS containing 0.02% sodium azide.
CONCENTRATION:1 mg/mL
STORAGE CONDITIONS:Nicastrin antibody can be stored at 4˚C for three months and -20˚C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.

psi-iconAdditional Info
OFFICIAL SYMBOL:NCSTN
ALTERNATE NAMES:Nicastrin Antibody: ATAG1874, KIAA0253, UNQ1874/PRO4317, Nicastrin
ACCESSION NO.:NP_056146
PROTEIN GI NO.:24638433
GENE ID:23385
USER NOTE:Optimal dilutions for each application to be determined by the researcher.
psi-iconBackground and References
BACKGROUND:Nicastrin Antibody: Nicastrin, in addition to presenilin, PEN2, and APH-1 forms the gamma-secretase protein complex, a membrane-bound aspartyl protease that can cleave certain proteins at peptide bonds buried within the hydrophobic environment of the lipid bilayer. This cleavage is responsible for a key step in signaling from several cell-surface receptors and is thought to be required for the generation of the neurotoxic amyloid peptides that are central to the pathogenesis of Alzheimer's disease. Like the tumor necrosis factor-a-converting enzyme (TACE) and the b-site cleavage enzyme (BACE) protease families, gamma-secretase will cleave the amyloid precursor protein (APP), but within the intramembrane region of APP, resulting in either the non-toxic p3 (from the alpha and gamma cleavage site) or the toxic Abeta amyloid peptide (from the beta and gamma cleavage site). It is thought that accumulation of the Abeta peptide is the precursor to Alzheimer's disease. Nicastrin is also thought to be involved in cell proliferation and signaling, especially in regards to activation of Notch receptors as loss of Nicastrin expression results in mouse embryonic lethality.
REFERENCES:1) Weihofen A and Martoglio B. Intramembrane-cleaving proteases: controlled liberation of proteins and bioactive peptides. Trends Cell Biol. 2003; 13:71-8.
2) Periz G and Fortini ME. Functional reconstitution of g-secretase through coordinated expression of presenilin, nicastrin, aph-1, and pen-2. J. Neurosci. Res. 2004; 77:309-22.
3) Selkoe DJ. The cell biology of b-amyloid precursor protein and presenilin in Alzheimer’s disease. Trends Cell Biol. 1998; 8:447-53.
4) Nguyen V, Hawkins C, Bergeron C, et al. Loss of nicastrin elicits an apoptotic phenotype in mouse embryos. Brain Res. 2006; 1086:76-84.

ANTIBODIES FOR RESEARCH USE ONLY.

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