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Zoology and Physiology|College of Arts and Sciences

Kara Pratt
Assistant Professor

Kpratt4@uwyo.edu
Office: BS 305
Lab: BS 425
(307) 766-5589

Education:
B.A.S.                             University of Delaware
Ph.D. in Neuroscience       Brandeis University
Postdoctoral                    Brown University and University of Washington

tadpolesResearch interests:
Neurons have the amazing ability to self-organize into highly refined networks. I am interested in how these networks form. I am especially interested in the molecular pathways underlying this process. My lab studies these questions in the developing visual system of the Xenopus laevis tadpole. Because these tadpoles are transparent and their developmental stage readily identified, we are able to image and record the electrical activity in individual neurons at different stages in circuit development. Previously we observed naturally occurring changes in electrical properties expressed by neurons across key developmental stages. Currently we aim to understand how these changes are brought about and their significance in the context of proper neural circuit development.  

Publications:

Pratt K.G., Zimmerman E.C., Cook D.G., Sullivan J.M., (2011). Presenilin 1 regulates Homeostatic synaptic scaling through AKT signaling. Nat. Neurosci. doi:10.1038/nn.289

Pratt K.G., Zhu P., Watari H., Cook D.G., Sullivan J.M., (2011). A novel role for gamma- Secretase: selective regulation of spontaneous neuro-transmitter release from hippocampal neurons. J. of Neurosci. 31(3), 899-906.

Pratt K.G., Aizenman C.D. (2009). Multisensory integration in mesencephalic trigeminal neurons in Xenopus tadpoles. J. of Neurophysiology 102(1), 399-412.

Dong W, Lee RH, Xu H, Yang S, Pratt K.G., Cao V., Song Y.K., Nurmikko A., Aizenman C.D. (2009) Visual avoidance in Xenopus tadpoles is correlated with the maturation of visual responses in the optic tectum. J. of Neurophysiology 101(2), 803-15.

Aizenman C.D., Pratt K.G., There's more than one way to scale a synapse. Neuron preview 2008 June; 58: 651-653.

Pratt K.G., Dong W., Aizenman C.D. (2008). Development and spike timing - Plasticity of recurrent excitation in the Xenopus optic tectum. Nature Neurosci. 11(4), 467-75.

Pratt K.G., Taft, C.E., Burbea M., Turrigiano, G.G. (2008). Dynamics underlying synaptic gain between pairs of cortical pyramidal neurons. Developmental Neurobiol. 68(2),143-51.

Pratt K.G., Aizenman, C.D. (2007). Homeostatic regulation of intrinsic excitability and synaptic transmission in a developing visual circuit. J. of Neuroscience 27(31), 8268-8277.

Pratt K.G., Watt A.J., Griffith L.C., Nelson S.B., Turrigiano G.G. (2003). Activity-dependent remodeling of presynaptic inputs by postsynaptic expression of activated CaMKII. Neuron 39, 269-281.

Neve R.L., Coopersmith R., McPhie D.L., Santeufemio C., Pratt K.G., Murphy C.J.,Lynn S.D. (1998) The neuronal growth-associated protein GAP-43 interacts with rabaptin-5 and participates in endocytosis. J. of  Neuroscience. 18(19), 7757-7767.

Wang G.J., Chung H.J., Schnuer J., Pratt K., Zable A.C., Kavanaugh M.P., Rosenberg P.A. (1997). High affinity glutamate transport in rat cortical neurons in culture. Molecular Pharm. 53, 88-96.

Rosen T., Seeger T.F., McLean S., Desai M.C., Guarino K.J., Bryce D., Pratt K., Chalabi P.M., Windels J.H. (1993). Synthesis, in vitro binding profile, and autoradiographic analysis of 3H]-cis-3[(2-methoxybenzyl)amino]-2-phenylpiperidine, a highly potent and selective nonpeptide substance P receptor antagonist radioligand. J Med Chem. 36, 3197-3201.

Faraci WS, Zorn SH, Bakker AV, Jackson E, Pratt K (1993). Beryllium competitively inhibits brain myo-inositol monophosphatase, but unlike lithium does not enhance agonist-induced inositol phosphate accumulation. Biochem. J. 291, 369-374.

McLean S.,Ganong AH, Seeger TF, Bryce DK, Pratt KG, Reynolds LS, Siok CJ, Lowe JA 3rd , Heym J. (1991). Activity and distribution of binding sites in brain of a non-peptide substance P (NK1) receptor antagonist. Science 251, 437-439.

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