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Full-Text Articles in Neuroscience and Neurobiology
Sexually Dimorphic Effects Of Prenatal Stress On Cognition, Hormonal Responses, And Central Neurotransmitters, Rachel E. Bowman, Neil J. Maclusky, Yessenia Sarmiento, Maya Frankfurt, Marisa Gordon, Victoria N. Luine
Sexually Dimorphic Effects Of Prenatal Stress On Cognition, Hormonal Responses, And Central Neurotransmitters, Rachel E. Bowman, Neil J. Maclusky, Yessenia Sarmiento, Maya Frankfurt, Marisa Gordon, Victoria N. Luine
Psychology Faculty Publications
Exposure to stress during gestation results in physiological and behavioral alterations that persist into adulthood. This study examined the effects of prenatal stress on the postnatal expression of sexually differentiated cognitive, hormonal, and neurochemical profiles in male and female rats. Pregnant dams were subjected to restraint stress three times daily for 45 min during d 14-21 of pregnancy. The offspring of control and prenatally stressed dams were tested for anxiety-related and cognitive behaviors, stress and gonadal steroid hormone levels, as well as monoamines and metabolite levels in selected brain regions. Postnatal testosterone levels (measured at 1 and 5 d) did …
Loss-Of-Function Analysis Of Epha Receptors In Retinotectal Mapping, David Feldheim, Masaru Nakamoto, Miriam Osterfield, Nicholas Gale, Thomas Dechiara, Rajat Rohatgi, George Yancopoulos, John Flanagan
Loss-Of-Function Analysis Of Epha Receptors In Retinotectal Mapping, David Feldheim, Masaru Nakamoto, Miriam Osterfield, Nicholas Gale, Thomas Dechiara, Rajat Rohatgi, George Yancopoulos, John Flanagan
Biology Faculty Publications
EphA tyrosine kinases are thought to act as topographically specific receptors in the well-characterized projection map from the retina to the tectum. Here, we describe a loss-of-function analysis of EphA receptors in retinotectal mapping. Expressing patches of a cytoplasmically truncated EphA3 receptor in chick retina caused temporal axons to have reduced responsiveness to posterior tectal repellent activity in vitro and to shift more posteriorly within the map in vivo . A gene disruption of mouse EphA5, replacing the intracellular domain with beta-galactosidase, reduced in vitro responsiveness of temporal axons to posterior target membranes. It also caused map abnormalities in vivo …
Changes In Gdnf Protein Content Of Skeletal Muscle Following Involuntary Exercise Are Long Lived, Kyle R. Kinnell, Monica J. Czarnopys, John Spitsbergen
Changes In Gdnf Protein Content Of Skeletal Muscle Following Involuntary Exercise Are Long Lived, Kyle R. Kinnell, Monica J. Czarnopys, John Spitsbergen
Biological Sciences Faculty and Graduate Student Research
Glial-cell line derived neurotrophic factor (GDNF) is a neurotrophic factor produced by skeletal muscle. GDNF has been shown to be potent survival factor for motor neurons. We have previously shown that GDNF content in skeletal muscle is altered following exercise and GDNF levels 24 hours after the last bout of exercise are significantly different than those measured immediately after exercise. We sought to determine how long after exercise do GDNF protein levels remain altered. We removed extensor digitorum longus (EDL) and Soleus (SOL), 24 hr, 72 hr and 1 week following the last bout of involuntary exercise. Muscles were processed …