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PathScan^® Phospho-Aurora A (Thr288) Sandwich ELISA Kit

PathScan^® Phospho-Aurora A (Thr288) Sandwich ELISA Kit #7114

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Product Specifications

REACTIVITY

Application Key:

ELISA+-ELISA and/or ELISA-like Assays

Species Cross-Reactivity Key:

H-Human

Product Information

Product Description

The PathScan^® Phospho-Aurora A (Thr288) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of Aurora A when Thr288 is phosphorylated. An Aurora A Rabbit Antibody has been coated onto the microwells. After incubation with cell lysates, Aurora A (phospho and nonphospho) is captured by the coated antibody. Following extensive washing, a Phospho-Aurora A (Thr288) Mouse Detection Antibody is added to detect threonine phosphorylation of the captured Aurora A protein. Anti-mouse IgG, HRP-linked Antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of the absorbance for this developed color is proportional to the quantity of Aurora A phosphorylated on Thr288.
Antibodies in kit are custom formulations specific to kit.

プロトコール

Specificity / Sensitivity

PathScan^® Phospho-Aurora A (Thr288) Sandwich ELISA Kit #7114 detects Aurora A when Thr288 is phosphorylated during G2/M phase of the cell cycle. As shown in Figure 1, a significant induction of Phospho-Aurora A (Thr288) can be detected in HeLa cells treated with paclitaxel using this kit. These high levels are abolished when paclitaxel-treated HeLa cells were lysed without addition of phosphatase inhibitors* to the lysis buffer. The levels of total Aurora A protein (either phospho or nonphospho) detected by PathScan^® Total Aurora A Sandwich ELISA Kit #7116 remain unchanged. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species. * Phosphatase inhibitors include sodium pyrophosphate, β-glycerophosphate and Na₃VO₄.

Species Reactivity:

Human

Background

Aurora kinases belong to a highly conserved family of mitotic serine/threonine kinases with three members identified among mammals: Aurora A, B, and C (1,2). Studies on the temporal expression pattern and subcellular localization of Aurora kinases in mitotic cells suggest an association with mitotic structure. Aurora kinase functional influences span from G2 phase to cytokinesis and may be involved in key cell cycle events such as centrosome duplication, chromosome bi-orientation and segregation, cleavage furrow positioning, and ingression (3). Aurora A is detected at the centrosomes, along mitotic spindle microtubules, and in the cytoplasm of mitotically proliferating cells. Aurora A protein levels are low during G1 and S phases and peak during the G2/M phase of the cell cycle. Phosphorylation of Aurora A at Thr288 in its catalytic domain increases kinase activity. Aurora A is involved in centrosome separation, maturation, and spindle assembly and stability. Expression of Aurora B protein also peaks during the G2/M phase of the cell cycle; Aurora B kinase activity peaks at the transition from metaphase to the end of mitosis. Aurora B associates with chromosomes during prophase prior to relocalizing to the spindle at anaphase. Aurora B regulates chromosome segregation through the control of microtubule-kinetochore attachment and cytokinesis. Expression of both Aurora A and Aurora B during the G2/M phase transition is tightly coordinated with histone H3 phosphorylation (4,5); research investigators have observed overexpression of these kinases in a variety of human cancers (2,4). Aurora C localizes to the centrosome from anaphase to cytokinesis and both mRNA and protein levels peak during G2/M phase. Although typical Aurora C expression is limited to the testis, research studies report overexpression of Aurora C is detected in various cancer cell lines (6).

Alternate Names

AIK; AIRK1; ARK-1; ARK1; AURA; AURKA; Aurora 2; Aurora A; Aurora kinase A; Aurora-related kinase 1; aurora/IPL1-like kinase; Aurora/IPL1-related kinase 1; AURORA2; AYK1; Breast tumor-amplified kinase; breast-tumor-amplified kinase; BTAK; hARK1; IAK1; IPL1-related kinase; MGC34538; PPP1R47; protein phosphatase 1, regulatory subunit 47; serine/threonine kinase 6; serine/threonine protein kinase 15; Serine/threonine-protein kinase 15; Serine/threonine-protein kinase 6; Serine/threonine-protein kinase aurora-A; STK15; STK6; STK7

Database Links

UniProt ID: O14965

Entrez-Gene Id: 6790

使用に関する制限

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For Research Use Only. Not for Use in Diagnostic Procedures.

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PathScan® Phospho-Aurora A (Thr288) Sandwich ELISA Kit #7114