This antibody recognizes the peptide EQK DRQ HTL KHF EHV RMV DPK K, which corresponds to residues #501-522 of the human APP gene product. This peptide sequence is also 100% conserved between human, mouse and rat homologs of APP, and the antibodies against this sequence cross-react with all three species. The antibody preparation is at a concentration of 100 µg/mL (based on absorbance at 280 nm).

Volume: 1000 µL

Concentration: 100 µg/mL

Clonality: Polyclonal

Host Species: Chicken

Species Reactivity:Human, Mouse, Rat

Applications: ICC, IHC

Protein Name / Synonyms: Amyloid-beta A4 protein (ABPP) (APPI) (Alzheimer disease amyloid protein) (Amyloid precursor protein) (Amyloid-beta precursor protein) (Cerebral vascular amyloid peptide) (CVAP) (PreA4) (Protease nexin-II) (PN-II) [Cleaved into: N-APP; Soluble APP-alpha (S-APP-alpha); Soluble APP-beta (S-APP-beta); C99 (Beta-secretase C-terminal fragment) (Beta-CTF); Amyloid-beta protein 42 (Abeta42) (Beta-APP42); Amyloid-beta protein 40 (Abeta40) (Beta-APP40); C83 (Alpha-secretase C-terminal fragment) (Alpha-CTF); P3(42); P3(40); C80; Gamma-secretase C-terminal fragment 59 (Amyloid intracellular domain 59) (AICD-59) (AID(59)) (Gamma-CTF(59)); Gamma-secretase C-terminal fragment 57 (Amyloid intracellular domain 57) (AICD-57) (AID(57)) (Gamma-CTF(57)); Gamma-secretase C-terminal fragment 50 (Amyloid intracellular domain 50) (AICD-50) (AID(50)) (Gamma-CTF(50)); C31]

Target Description: Amyloid Precursor Protein (APP, UniProt Accession Number P05067) is a 770 amino acid, single-pass transmembrane protein whose beta-amyloid proteolytic fragment can form neurotoxic extracellular accumulations in human cerebral cortex, and is widely believed to be the cause of Alzheimer"s dementia. However, the normal function of APP itself is still obscure, as are potential functions of various proteolytic fragments that have been observed in human brain [Muller, U.C., Deller, T., Korte, M. (2017) Nature Reviews Neuroscience 18: 281-298)]. To better understand these functions, we have made a set of five anti-peptide antibody reagents against APP. One of the peptide sequences used is within the beta-amyloid fragment and recognizes the extracellular amyloid plaques observed in Alzheimer patients" brains (see Cat.# ABN). Three other peptide sequences used, however, are within the extracellular domain of APP outside of this domain, and are useful for identifying the APP protein itself, and various proteolytic fragments, rather than the beta-amyloid peptide and plaques.

Gene ID: APP A4 AD1

Physical State: Liquid

Production Notes: Chickens were immunized with a keyhole limpet hemocyanin (KLH) conjugate of the synthetic peptide EQK DRQ HTL KHF EHV RMV DPK K, which corresponds to residues #501-522 of the human gene product (NP_000475.1). This sequence is also conserved in the mouse and rat APP gene products, as well. After repeated injections, immune eggs were collected from the hens, and the IgY fractions were purified from the yolks. These IgY fractions were then affinity-purified against the cognate peptide using an agarose column, the concentration of the eluates adjusted to 100 µg/mL, and the preparation was filter-sterilized.

Validation and Application Notes

IHC Dilution Range: 1:1000-1:2000

Quality Control

This anti-peptide antibody mixture was analyzed by immunohistochemistry (at a dilution of 1:1000) using fluorescein-labeled goat anti-chicken IgY (1:500 dilution, Aves Labs Cat.# F-1005) as the secondary reagent.

Storage

Store at 4°C in the dark. Under these conditions, the antibodies should have a shelf life of at least 12 months (provided they remain sterile). Do not freeze these antibodies unless you want to store them for longer periods of time. Note, however, that each time an antibody preparation is frozen, about half of its binding activity is lost.

NOTE

Aves Labs products are intended for use as research laboratory reagents. They are not intended for use as diagnostic or therapeutic reagents in humans.

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鸡的概念 在一次会议上，他与同事的一次谈话说服了西蒙博士再次尝试制造这种抗体，但是尝试把鸡作为宿主——鸡在进化上与包括人类在内的哺乳动物完全不同。结果表明:人蛋白抗原具有高度的免疫原性，抗体产量异常高，免疫试剂结合紧密，特异性高。 今天的Aves 从那时起，Aves Labs开创了在蛋白质中寻找高免疫原性肽序列的新算法，开发了针对鸡抗体的新的亲和纯化方法，并开发了许多其他有用的试剂，如BlokHen®阻断试剂和PrecipHen®免疫沉淀试剂。Aves实验室继续开发针对神经特异性抗原和表位标签的新型抗体试剂，以促进神经科学和分子生物学领域的科学进步。