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Full-Text Articles in Physiology

Stress Increases Peripheral Axon Growth And Regeneration Through Glucocorticoid Receptor-Dependent Transcriptional Programs, Jessica K. Lerch, Jessica K. Alexander, Kathryn M. Madalena, Dario Motti, Tam Quach, Akhil Dhamija, Alicia Zha, John C. Gensel, Jeanette Webster Marketon, Vance P. Lemmon, John L. Bixby, Phillip G. Popovich Aug 2017

Stress Increases Peripheral Axon Growth And Regeneration Through Glucocorticoid Receptor-Dependent Transcriptional Programs, Jessica K. Lerch, Jessica K. Alexander, Kathryn M. Madalena, Dario Motti, Tam Quach, Akhil Dhamija, Alicia Zha, John C. Gensel, Jeanette Webster Marketon, Vance P. Lemmon, John L. Bixby, Phillip G. Popovich

Physiology Faculty Publications

Stress and glucocorticoid (GC) release are common behavioral and hormonal responses to injury or disease. In the brain, stress/GCs can alter neuron structure and function leading to cognitive impairment. Stress and GCs also exacerbate pain, but whether a corresponding change occurs in structural plasticity of sensory neurons is unknown. Here, we show that in female mice (Mus musculus) basal GC receptor (Nr3c1, also known as GR) expression in dorsal root ganglion (DRG) sensory neurons is 15-fold higher than in neurons in canonical stress-responsive brain regions (M. musculus). In response to stress or GCs, adult …


The Psychophysiological Correlates Of Personality, Trauma, Posttraumatic Stress Disorder And Social Support, Meghan E. Pierce May 2017

The Psychophysiological Correlates Of Personality, Trauma, Posttraumatic Stress Disorder And Social Support, Meghan E. Pierce

UNLV Theses, Dissertations, Professional Papers, and Capstones

Theories considering the etiology of psychopathy suggest that trauma exposure, specifically childhood maltreatment and sexual abuse, is related to the development of callous-unemotional traits in children and adolescents, which are precursors to psychopathic traits in adulthood. Furthermore, posttraumatic stress disorder has an opposite relationship with many of the emotional and behavioral components of the two-factor model of psychopathy. Specifically, PTSD is positively associated to IA and traits associated with it and negatively associated with FD. Thus, this study sought to expand upon the current theories of a trauma-based etiology of psychopathy by investigating the relationship between trauma, PTSD, and psychopathic …


The Effects Of Adaptogens On The Physical And Psychological Symptoms Of Chronic Stress, Tosin O. Ajala Jan 2017

The Effects Of Adaptogens On The Physical And Psychological Symptoms Of Chronic Stress, Tosin O. Ajala

DISCOVERY: Georgia State Honors College Undergraduate Research Journal

Stress is a state of disharmony or threatened homeostasis. The maintenance of homeostasis in stages of internal or external challenges, called stressors, requires constant adjustments of hormonal, behavioral, and autonomic functions. The nuances of life may bring about unwanted stress to the human body. Some of the top causes of stress in America include work, finances, relationships, and health. There are numerous physical and psychological symptoms associated with long-term “chronic” stress, which include chronic fatigue, frustration, irritability, insomnia, frequent headaches, chest and back pain, weakness, and weight gain or weight loss. These symptoms of chronic stress are associated with depression, …