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Phospho-Thr34 DARPP-32 Antibody

Affinity purified rabbit polyclonal antibody

     
  • WB - Phospho-Thr34 DARPP-32 Antibody AN1005
    Western blot of rat caudate lysate showing specific immunolabeling of the ~32k DARPP-32 phosphorylated at Thr34 (Control). The phosphospecificity of this labeling is shown in the second lane (lambda-phosphatase: λ-Ptase). The blot is identical to the control except that it was incubated in λ-Ptase (1200 units for 30 min) before being exposed to the Anti-Thr34 DARPP-32. The immunolabeling is completely eliminated by treatment with λ-Ptase.
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB
Primary Accession Q6J4I0
Reactivity Rat
Predicted Bovine, Chicken, Human, Mouse, Monkey
Host Rabbit
Clonality polyclonal
Calculated MW 32 KDa
Additional Information
Gene ID 360616
Gene Name PPP1R1B
Other Names Protein phosphatase 1 regulatory subunit 1B, DARPP-32, Dopamine- and cAMP-regulated neuronal phosphoprotein, Ppp1r1b
Target/Specificity Synthetic phospho-peptide corresponding to amino acid residues surrounding Thr34 conjugated to KLH.
Dilution WB~~ 1:1000
Format Prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.
Antibody Specificity Specific for the ~32k DARPP-32 protein phosphorylated at Thr34. Immunolabeling is blocked by λ-phosphatase treatment.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsPhospho-Thr34 DARPP-32 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
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Research Areas
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Background

DARPP-32 is a dopamine (DA) and cAMP-regulated ~32k phosphoprotein that is associated with dopaminoceptive neurons (Fienberg et al., 1998). The protein inhibits protein phosphatase I when it is phosphorylated on Thr34. In contrast, when DARPP-32 is phosphorylated on Thr75 the protein acts as an inhibitor of PKA (Bibb et al., 1999). Phosphorylation of DARPP-32 is thought to play a critical role in the regulation of dopaminergic neurotransmission. In addition, the activity of DARPP-32 is also thought to play important roles in the actions of alcohol, caffeine and Prozac® (Maldve et al., 2002; Lindskog et al., 2002; Svenningsson et al., 2002).

References

Bibb JA, Snyder GL, Nishi A, Yan Z, Meijer L, Fienberg AA, Tsai LH, Kwon YT, Girault JA, Czernik AJ, Huganir RL, Hemmings HC, Jr., Nairn AC, Greengard P (1999) Phosphorylation of DARPP-32 by cdk5 modulates dopamine signalling in neurons. Nature (London) 402:669-671.
Fienberg, A.A., Hiroi, N., Mermelstein, P.G., Song, W., Snyder, G.L., Nishi, A., Cheramy, A. O'Callaghan, J.P., Miller, D.B., Cole, D.G., Corbett, R., Haile, C.N., Cooper, D,C., Onn, S.P., Grace, A.A., Ouimet, C.C., White, F.G., Hyman, S.E., Surmeier, D.G., Girault, J., Nestler, E.J. and Greengard, P. (1998) DARPP-32: regulator of the efficacy of dopaminergic neurotransmission. Science 281:838-842.
Lindskog M, Svenningsson P, Pozzi L, Kim Y, Fienberg AA, Bibb JA, Fredholm BB, Nairn AC, Greengard P, Fisone G (2002) Involvement of DARPP-32 phosphorylation in the stimulant action of caffeine. Nature (London) 418:774-778.
Maldve RE, Zhang TA, Ferrani-Kile K, Schreiber SS, Lippmann MJ, Snyder GL, Feinberg AA, Leslie SW, Gonzales RA, Morrisett RA (2002) DARPP-32 and the regulation of the ethanol sensitivity of NMDA receptors in the nucleus accumbens. Nature Neurosci 5:641-648.
Svenningsson P, Tzavara ET, Witkin JM, Fienberg AA, Nomikos GG, Greengard P (2002) Involvement of striatal and extrastriatal DARPP-32 in biochemical and behavioral effects of fluoxetine (Prozac®). Proc Natl Acad Sci USA 99:3182-3187.
Daniela Marazziti, Chiara Di Pietro, Silvia Mandillo, Elisabetta Golini, Rafaele Matteoni, and Glauco P. Tocchini-Valentini (2011) Absence of the GPR37/PAEL receptor impairs striatal Akt and ERK2 phosphorylation, FosB expression, and conditioned place preference to amphetamine and cocaine FASEB J, 25: 2071 - 2081.
Rajani Maiya, Yan Zhou, Erin H. Norris, Mary Jeanne Kreek, and Sidney Strickland (2009) Tissue plasminogen activator modulates the cellular and behavioral response to cocaine. PNAS, 106: 1983 - 1988.
Michelle Niculescu, Shane A. Perrine, Jonathan S. Miller, Michelle E. Ehrlich, and Ellen M. Unterwald (2008) Trk: A Neuromodulator of Age-Specific Behavioral and Neurochemical Responses to Cocaine in Mice. J. Neurosci., Jan 2008; 28: 1198 - 1207.
Jean-Martin Beaulieu, Tatyana D. Sotnikova, Raul R. Gainetdinov, and Marc G. Caron (2006) Paradoxical Striatal Cellular Signaling Responses to Psychostimulants in Hyperactive Mice . J. Biol. Chem., Oct 2006; 281: 32072 - 32080.

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$ 365.00
Cat# AN1005
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