TPX2 Antibody #8559
Filter:
- WB
Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 100 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
TPX2 Antibody recognizes endogenous levels of total TPX2 protein.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Lys420 of human TPX2 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
The Ras family small GTPase Ran is involved in nuclear envelope formation, assembly of the mitotic spindle, and nuclear transport (1,2). TPX2, a target of active Ran (RanGTP), is a microtubule nucleating protein. TPX2 is inactive when bound to nuclear importin-alpha. RanGTP activity disrupts this interaction, relieving inhibition of TPX2 (3). TPX2 binding activates Aurora A kinase and promotes its localization to the mitotic spindle (4,5). DNA damage in mitosis leads to loss of interaction between Aurora A and TPX2 and inactivation of Aurora A kinase (6). TPX2 is highly expressed in pancreatic cancer cells, and knockdown of TPX2 expression in these cells is associated with increased sensitivity to paclitaxel (7).
- Quimby, B.B. and Dasso, M. (2003) Curr Opin Cell Biol 15, 338-44.
- Hetzer, M. et al. (2002) Nat Cell Biol 4, E177-84.
- Gruss, O.J. and Vernos, I. (2004) J Cell Biol 166, 949-55.
- Kufer, T.A. et al. (2002) J Cell Biol 158, 617-23.
- Bayliss, R. et al. (2004) Cell Cycle 3, 404-7.
- Bhatia, P. et al. (2010) Cell Cycle 9, 4592-9.
- Warner, S.L. et al. (2009) Clin Cancer Res 15, 6519-28.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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