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Molecular and Cellular Neuroscience Commons™
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Articles 1 - 4 of 4
Full-Text Articles in Molecular and Cellular Neuroscience
The Receptor Basis Of Serotonergic Modulation In An Olfactory Network, Tyler Ryan Sizemore
The Receptor Basis Of Serotonergic Modulation In An Olfactory Network, Tyler Ryan Sizemore
Graduate Theses, Dissertations, and Problem Reports
Neuromodulation is a nearly ubiquitous process that endows the nervous system with the capacity to alter neural function at every level (synaptic, circuit, network, etc.) without necessarily adding new neurons. Through the actions of neuromodulators, the existing neural circuitry can be adaptively tuned to achieve flexible network output and similarly dynamic behavioral output. However, despite their near ubiquity in all sensory modalities, the mechanisms underlying neuromodulation of sensory processing remain poorly understood. In this dissertation, I address three main questions regarding the mechanisms of one modulator (serotonin) within one sensory modality (olfaction). I begin by establishing a "functional atlas" of …
Targeting The Cerebrovasculature In Sepsis: A Focus On The Brain Microvascular Endothelium, Divine C. Nwafor
Targeting The Cerebrovasculature In Sepsis: A Focus On The Brain Microvascular Endothelium, Divine C. Nwafor
Graduate Theses, Dissertations, and Problem Reports
The blood-brain barrier (BBB) is a critical interface between the systemic circulation and the brain. It is a specialized multicellular unit composed of brain microvascular endothelial cells (BMECs), pericytes, a basement membrane, and astrocytic end foot processes. BMECs are a principal component of the BBB that provide the structural framework needed for the stringent transport of molecules into the brain. BMEC dysfunction permits the trafficking of neurotoxins from systemic circulation into the brain, which ultimately exacerbates BBB dysfunction and neuroinflammation. Studies have shown that BBB dysfunction is a key determinant of cognitive decline in sepsis. However, there are critical knowledge …
The Interplay Of Progestins, Matrix Metalloproteinases, And The Aging Brain, Keyana Nicole Porter
The Interplay Of Progestins, Matrix Metalloproteinases, And The Aging Brain, Keyana Nicole Porter
Graduate Theses, Dissertations, and Problem Reports
Progestins are synthetic hormones that are designed to mimic the biological actions of progesterone. They, however, possess other pharmacological actions and properties, in addition to their progestational activities. Medroxyprogesterone Acetate (MPA) is a progestin used globally in the hormonal contraceptive, Depo Provera®, by women in their reproductive prime and is a major compound found in hormone therapy (HT) formulations used by menopausal women. MPA is used by approximately 1 in 5 adolescents and adult women in the United States who are sexually active. Globally, nearly 48 million women utilize injectable contraceptives to prevent pregnancy, with most users utilizing MPA as …
Sodium Channel Distribution In The Apical Dendrites Of Pyramidal Cells Vary In The Hindbrain Of Apteronotus Leptorhynchus., Sree Indrani Motipally
Sodium Channel Distribution In The Apical Dendrites Of Pyramidal Cells Vary In The Hindbrain Of Apteronotus Leptorhynchus., Sree Indrani Motipally
Graduate Theses, Dissertations, and Problem Reports
Apteronotid weakly electric fish heavily rely on their electrosensory system for behaviors like spatial navigation, communication and prey capture. Since the behaviorally important information about their environment is contained in the spatial and temporal modulations of the electrosensory signal, efficient mechanisms to process this information with great fidelity are of the utmost importance. Efficient sensory processing often involves having multiple parallel processing streams so that each stream can specialize to treat signals with different properties. This strategy requires the response properties and neural dynamic to be adjusted in each pathway to implement different neural coding strategies. One of the neural …