Phospho-LIN28A (Ser200) (D5I6X) Rabbit mAb #20607
- WB
- IP
Supporting Data
REACTIVITY | H |
SENSITIVITY | Endogenous |
MW (kDa) | 26 |
Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Immunoprecipitation | 1:100 |
Protocol
Specificity / Sensitivity
Phospho-LIN28A (Ser200) (D5I6X) recognizes endogenous levels of LIN28A protein only when phosphorylated at Ser200.
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Serine 200 of human LIN28A protein.
Background
LIN28A and LIN28B are conserved, developmentally regulated RNA binding proteins that inhibit the processing and maturation of the let-7 family of miRNAs (1,2). The let-7 miRNAs have been implicated in repression of oncogenes such as Ras, Myc, and HMGA2 (3). It has recently been shown that upregulation of LIN28A and LIN28B in primary human tumors and human cancer cell lines is correlated with downregulation of let-7 miRNAs (4). LIN28 genes are reported to be involved in primordial germ cell development and germ cell malignancy (5). In addition, allelic variation in LIN28B is associated with regulating the timing of puberty in humans (6). Overexpression of LIN28A, in conjunction with Oct-4, Sox2, and Nanog, can reprogram human fibroblasts to pluripotent, ES-like cells (7).
In high throughput studies, phosphorylation of Lin28A on Ser200 was observed upon differentiation of embryonic stem cells (8).
- Balzer, E. and Moss, E.G. (2007) RNA Biol 4, 16-25.
- Piskounova, E. et al. (2008) J Biol Chem 283, 21310-4.
- Cho, W.C. (2007) Mol Cancer 6, 60.
- Viswanathan, S.R. et al. (2009) Nat Genet 41, 843-8.
- West, J.A. et al. (2009) Nature 460, 909-13.
- Ong, K.K. et al. (2009) Nat Genet 41, 729-33.
- Yu, J. et al. (2007) Science 318, 1917-20.
- Van Hoof, D. et al. (2009) Cell Stem Cell 5, 214-26.
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