Phospho-LRRK2 (Ser1292) (E8M3A) Rabbit mAb #65837
- IP
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Transfected Only |
| MW (kDa) | 290 |
| Source/Isotype | Rabbit IgG |
Application Key:
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Immunoprecipitation | 1:50 |
Storage
Protocol
Specificity / Sensitivity
Phospho-LRRK2 (Ser1292) (E8M3A) Rabbit mAb recognizes transfected levels of LRRK2 protein only when phosphorylated at Ser1292.
Species Reactivity:
Human
The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.
Species predicted to react based on 100% sequence homology:
Mouse, Rat
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser1292 of human LRRK2 protein.
Background
Parkinson’s disease (PD), the second most common neurodegenerative disease after Alzheimer’s, is a progressive movement disorder characterized by rigidity, tremors, and postural instability. The pathological hallmarks of PD are progressive loss of dopaminergic neurons in the substantia nigra of the ventral midbrain and the presence of intracellular Lewy bodies (protein aggregates of α-synuclein, ubiquitin, and other components) in surviving neurons of the brain stem (1). Research studies have shown various genes and loci are genetically linked to PD including α-synuclein/PARK1 and 4, parkin/PARK2, UCH-L1/PARK5, PINK1/PARK6, DJ-1/PARK7, LRRK2/PARK8, synphilin-1, and NR4A2 (2).
Leucine-rich repeat kinase 2 (LRRK2) contains amino-terminal leucine-rich repeats (LRR), a Ras-like small GTP binding protein-like (ROC) domain, an MLK protein kinase domain, and a carboxy-terminal WD40 repeat domain. Research studies have linked at least 20 LRRK2 mutations to PD, with the G2019S mutation being the most prevalent (3). The G2019S mutation causes increased LRRK2 kinase activity, which induces a progressive reduction in neurite length that leads to progressive neurite loss and decreased neuronal survival (4). Researchers are currently testing the MLK inhibitor CEP-1347 in PD clinical trials, indicating the potential value of LRRK2 as a therapeutic target for treatment of PD (5).
Autophosphorylation of Ser1292 is a suggested marker of LRRK2 kinase activity and phosphorylation at this site is enhanced by several familial PD mutations, including the G2019S mutation (6).
- Fahn, S. (2003) Ann. NY Acad. Sci. 991, 1-14.
- Moore, D.J. et al. (2005) Annu. Rev. Neurosci. 28, 57-87.
- Mata, I.F. et al. (2006) Trends Neurosci. 29, 286-293.
- MacLeod, D. et al. (2006) Neuron 52, 587-593.
- Parkinson Study Group. (2004) Neurology 62, 330-332.
- Sheng, Z. et al. (2012) Sci Transl Med 4, 164ra161.
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