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Kathy R. Magnusson
357 Linus Pauling Center
541-737-6923 (voice mail)
- 1976 Freshman Women's Honor Society - Utah State University
- 1982 Phi Zeta - Veterinary Honor Society - University of Minnesota
- 1986 Finalist - Jan Langman Award for Outstanding Student Presentation - AAA
- 1986 Louise Dosdall Fellowship for Women in Sciences - University of Minnesota Graduate School (declined because of NIH grant)
- 1986-91 NIH Physician Scientist Award, National Institute on Aging, National Institutes of Health
- 1987 Gamma Sigma Delta - Agricultural Honor Society - University of Minnesota
- 1988 Omicron Delta Kappa Honor Society - University of Minnesota
- 1992-93 American Federation for Aging Research - research grant
- 1992-97 NIH FIRST Award, National Institute on Aging, National Institutes of Health
- 1995-2000 NIH Research Career Development Award, National Institute on Aging, National Institutes of Health
- 2004-2008 Member of National Institutes of Health's Learning and Memory study section
- 2008 Pfizer Award for Research Excellence
- 2010 National Pfizer Distinguished Teacher Award
- 2012 Principal Investigator - Healthy Aging Program, Linus Pauling Institute
Professional and Research Interests:
I'm an aging neuroscientist, interested in how we can prevent or repair the declines that occur during aging in learning and memory ability. I'm hoping to figure this out before I forget what the question is.
We've been characterizing changes in the expression of a receptor that is very important for the formation of memories, the N-methyl-D-aspartate (NMDA) receptor. This receptor uses glutamate as a transmitter.The NMDA receptor shows greater declines in binding of glutamate with increased age than any of the other glutamate receptors. We've found relationships between NMDA receptor binding and expressions of two NMDA receptor subunits, GluN2B (epsilon2, NR2B) and GluN2A (epsilon1, NR2A), during aging. We've also shown associations between age-related changes in NMDA binding densities and subunit expressions and declines in both working and reference memory ability.
We are continuing to characterize the changes that occur in the NMDA receptor with increasing age. We are currently examining whether increasing the expression of the GluN2B subunit or some of the splice variants of the GluN1 subunit is beneficial to memory in aged animals, how aging affects where the NMDA receptors are located within the neurons, and whether inflammation plays a role in the effects of aging on NMDA receptors. We are also trying to determine exactly what role NMDA receptors in the prefrontal cortex play in different forms of memory. Ultimately we want to discover the mechanisms underlying the age-related changes in the NMDA receptor.
The lab's main goal is to find interventions into aging that will help to maintain the quality of life into old age. We're also interested in helping to better understand the function of the NMDA receptor in different brain regions.
This is the picture from our laboratory T-shirt.
It was designed by Dr. Anna D. Fails, Dept. of Biomedical Sciences,
College of Veterinary Medicine & Biomedical Sciences, Colorado State University.
Magnusson KR, Madl JE, Clements JR, Wu JY, Larson AA, Beitz AJ. 1988. Colocalization of taurine- and cysteine sulfinic acid decarboxylase-like immunoreactivity in the cerebellum of the rat with monoclonal antibodies against taurine.. The Journal of neuroscience : the official journal of the Society for Neuroscience. 8(12):4551-64.