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NeuroscienceTA, Una Cheung
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Degrees
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Doctor of Philosophy (expected 2009), Master of Science, and Bachelor of Science
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My Expert Service
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transgenic Drosophila model, animal husbandry, antibody expression, confocal imaging, electron microscopy,electrophysiology, electrophoresis, insectary plasmid preparation and manipulation, Proteomic techniques (protein extraction and purification, radioimmunoassay, rodent survival surgery (caesarean session, stereotaxic procedures – bilateral ventricular cannulation for drug administration, subscutaneous implants, ovariectomy), statistical analysis.
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Experience & Qualifications
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TEACHING EXPERIENCE
Undergraduate independent study supervision
The Wyeth Award of Excellence for fourth year thesis (Joan. Chan)
Geraldine Ryan and Sanaz Kermanshahi won second prize for fourth year poster award
Teaching assistant
Second year Introduction of Animal Physiology, ZOO252Y, University of Toronto (enrolment approximately 300 per year), 1990 – 1998.
Fourth year Advanced Experimental Neurophysiology, PSL 491 University of Toronto, 1996
Fourth year Neurophysiological Psychology, PSY491 University of Toronto (enrolment 20), 1988-1989
PUBLICATIONS
Peer Reviewed
1) Una Cheung, Mehrnoush Moghaddasi, Hannah L. Hall, J.J.B. Smith, Leslie T. Buck and Melanie A. Woodin (2006) Excitatory actions of GABA mediate severe-hypoxia induced depression of neuronal activity in the pond snail (Lymnaea stagnalis). Journal of Experimental Biology, 209(22): 4429-4435.
2) U. Cheung, H.L. Atwood, R.S. Zucker (2005) Presynaptic effectors contributing to cAMP-induced synaptic potentiation in Drosophila. Journal of Neurobiology, 66:273-280.
3) Joel Atallah, Ian Dworkin, Una Cheung, Aisha Greene, Bryant Ing, Lisa Leung, and Ellen Larsen (2004) The environmental and genetic regulation of obake expressivity: morphogenetic fields as evolvable systems. Evolution & Development, 6:114-122.
4) Yashoda Sharma , Una Cheung , Ellen W. Larsen , Daniel F. Eberl (2002) PPTGAL, a convenient Gal4 P-element vector for testing expression of enhancer fragments in Drosophila. Genesis, 34(1-2):115-118.
5) Una S. Cheung, A.J. Shayan, Gabrielle L. Boulianne, Harold L. Atwood (1999) Drosophila larval neuromuscular junction’s responses to reduction of cAMP in the nervous system. Journal of Neurobiology 40:1-13.
6) Una S. Cheung and J.J. Berry Smith (1998) Ingestion sugar diets correlates with spike activity in labellar chemosensilla of the flesh-fly, Neobellieria (= Sarcophaga) bullata. Physiological Entomology, 23:313-321.
7) Alison S. Fleming, Una S. Cheung, and Maureen Barry (1990) Cycloheximide blocks the retention of maternal experience in postpartum rats. Behavioral and Neural Biology, 53:64-73.
8) Alison S. Fleming, Una Cheung, Natalie Myhal and Ziggy Kessler (1989) Effects of maternal hormones on ‘timidity’ and attraction to pup-related odors in female rats. Physiology and Behavior, 46:449-453.
Seminar
Cyclic AMP and Drosophila Neuromuscular System.
Massachusetts Institute of Technology (MIT), Cambridge, MA, USA. October 19, 2007.
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Available Modes Of Communication
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email/chat
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Contact
NeuroscienceTA, Una Cheung
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