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Molecular and Cellular Neuroscience Commons

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2011

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Articles 1 - 7 of 7

Full-Text Articles in Molecular and Cellular Neuroscience

Interspecies Comparison Of Αii-Spectrin Abundance Between Chinook Salmon And Steelhead, Brielle D. Kemis, Ann L. Miracle, Katie A. Wagner, Christa M. Woodley Aug 2011

Interspecies Comparison Of Αii-Spectrin Abundance Between Chinook Salmon And Steelhead, Brielle D. Kemis, Ann L. Miracle, Katie A. Wagner, Christa M. Woodley

STAR Program Research Presentations

Salmonids, such as Chinook salmon (Oncorhynchus tshawytscha) and steelhead (O. mykiss), are a staple economic, recreational, tribal, and environmental resource, yet many populations are unsustainable. This study was part of a broad scale effort to monitor the impact of downstream migration obstacles on juvenile salmonid health and survival, which is an essential step towards increasing Smolt-to-Adult Return ratios (SARs). The objective of this study was to determine if juvenile Chinook salmon and steelhead exhibit differing quantities of alphaII-Spectrin Breakdown Products (SBDPs) over two consecutive spring migration periods, indicative of neurogenesis rate and/or biological response to head …


Regulation Of Endothelial Nitric Oxide Synthase In Pulmonary Myofibroblasts, Jonathan David Faughn Aug 2011

Regulation Of Endothelial Nitric Oxide Synthase In Pulmonary Myofibroblasts, Jonathan David Faughn

Masters Theses & Specialist Projects

Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease leading to decreased lung volume and eventual respiratory failure. At present, the median post-diagnosis lifespan is between three and six years. Myofibroblasts are collagen-secreting cells essential for wound healing, but also implicated in the fibroproliferation and extra cellular matrix deposition commonly seen in IPF. The nitric oxide (NO) signaling pathway is implicated in protomyofibroblast to myofibroblast transition and regulation. Previous work has shown that in pulmonary myofibroblasts, endothelial nitric oxide synthase (eNOS) is the primary NOS isoform expressed. The current study used cultured rat pulmonary myofibroblasts between passages two and five …


Pulsed Out Of Awareness: Eeg Alpha Oscillations Represent A Pulsed-Inhibition Of Ongoing Cortical Processing, Kyle E. Mathewson, Alejandro Lleras, Diane M. Beck, Monica Fabiani, Tony Ro, Gabriele Gratton May 2011

Pulsed Out Of Awareness: Eeg Alpha Oscillations Represent A Pulsed-Inhibition Of Ongoing Cortical Processing, Kyle E. Mathewson, Alejandro Lleras, Diane M. Beck, Monica Fabiani, Tony Ro, Gabriele Gratton

Publications and Research

Alpha oscillations are ubiquitous in the brain, but their role in cortical processing remains a matter of debate. Recently, evidence has begun to accumulate in support of a role for alpha oscillations in attention selection and control. Here we first review evidence that 8–12 Hz oscillations in the brain have a general inhibitory role in cognitive processing, with an emphasis on their role in visual processing. Then, we summarize the evidence in support of our recent proposal that alpha represents a pulsed-inhibition of ongoing neural activity. The phase of the ongoing electroencephalography can influence evoked activity and subsequent processing, and …


Intrinsic And Extrinsic Factors That Control Motor Neuron Vulnerability In Als, Pembe Hande Ozdinler May 2011

Intrinsic And Extrinsic Factors That Control Motor Neuron Vulnerability In Als, Pembe Hande Ozdinler

IMSA Great Minds Program ®

Even though there are millions of neurons in our brain, in neurodegenerative diseases only a select set of neurons show vulnerability and progressively degenerate. In amyotrophic lateral sclerosis (ALS), motor neurons in the cortex and spinal cord show selective vulnerability. Their progressive degeneration results in lack of control over voluntary movement, without affecting memory and cognitive function. We are developing novel approaches to understand cellular and molecular mechanisms responsible for motor neuron degeneration. Our findings will allow cell-based therapeutic interventions in the near future.


Sex Difference In Calbindin Cell Number In The Mouse Preoptic Area: Effects Of Neonatal Estradiol And Bax Gene Deletion, Richard F. Gilmore Iii Jan 2011

Sex Difference In Calbindin Cell Number In The Mouse Preoptic Area: Effects Of Neonatal Estradiol And Bax Gene Deletion, Richard F. Gilmore Iii

Masters Theses 1911 - February 2014

The sexually dimorphic nucleus of the preoptic area (SDN-POA) was first discovered in rats and is one of the most famous and best studied sex differences in the field of neuroscience. Though well documented in rats (larger in males than females), this sex difference was only recently able to be observed in mice due to the discovery of the protein calbindin-D28k as a marker. Recent studies have shown a larger, more distinct calbindin-immunoreactive (ir) cell cluster in male mice compared to females. However, the exact location of the cluster and whether the sex difference is one of total cell number …


Relative Dependence Of Neural Plasticity On Age And Activity In The Bumblebee (Bombus Huntii), Geoffrey Nielsen Jan 2011

Relative Dependence Of Neural Plasticity On Age And Activity In The Bumblebee (Bombus Huntii), Geoffrey Nielsen

Summer Research

Neural Plasticity is one of the most fascinating and complex aspects of neuroscience. Due to the complexity of neural plasticity mechanisms, simple models are used to study neural plasticity. The bumblebee, Bombus huntii provides an ideal model organism with which to study neural plasticity, particularly the way it is affected by age and activity1. The Mushroom Body is the portion of the B. huntii brain that is responsible for higher order sensory integration and experience related learning so it will be the focus of this study.


Orbitofrontal Cortex Provides Cross-Modal Valuation Of Self-Generated Stimuli, William A. Cunningham, Ingrid J. Haas, Ashley S. Waggoner Jan 2011

Orbitofrontal Cortex Provides Cross-Modal Valuation Of Self-Generated Stimuli, William A. Cunningham, Ingrid J. Haas, Ashley S. Waggoner

Department of Political Science: Faculty Publications

Prior research has shown that the orbitofrontal cortex (OFC) plays an important role in the representation of the evaluation of stimuli, regardless of stimulus modality. Based on these findings, researchers have proposed that the OFC serves a common currency function, allowing for the direct comparison of different types of perceptual stimuli (e.g. food, drink, money). The present study was designed to extend this research and investigate whether these same regions of OFC that have been identified in previous research are involved in evaluating imagined stimuli. Specifically, we asked participants to draw on prior attitudinal knowledge to generate internal representations of …