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Articles 1 - 30 of 2994
Full-Text Articles in Life Sciences
Exploring Mesolimbic Circuitry Modulation By Opiates, Interleukin-10, And Psychostimulants, Joakim W. Ronström
Exploring Mesolimbic Circuitry Modulation By Opiates, Interleukin-10, And Psychostimulants, Joakim W. Ronström
Theses and Dissertations
The mesolimbic dopamine (DA) system originates in the ventral tegmental area (VTA) and projects to the nucleus accumbens (NAc) and other areas including the basolateral amygdala (BLA), prefrontal cortex, and the hippocampus. Drug use induces reward and leads to dysregulation in these brain areas and eventually to substance use disorders (SUDs). Chapter 1 introduces the mesolimbic DA system and its relationship to drug use and their relevance to each chapter. Chapter 2 explores opioid effects on BLA circuitry which is known to play a role in the emotional response including anxiety and stress in SUDs. We showed that morphine induced …
Characterization Of Cellular Metabolism Regulation By The Transcription Factor Centromere Binding Factor 1 (Cbf1), Spencer Ellsworth
Characterization Of Cellular Metabolism Regulation By The Transcription Factor Centromere Binding Factor 1 (Cbf1), Spencer Ellsworth
Theses and Dissertations
Centromere binding factor 1 (Cbf1) is a transcription factor that controls the transcription of many genes involved in cellular respiration and lipid biogenesis and, as such, has been associated with hypolipidemia in humans. It is a known substrate for PAS kinase, which phosphorylates Cbf1 and alters its activity. Our hypothesis is that this phosphorylation affects the genes it regulates and the DNA motifs it binds to, perhaps due to different transcription complexes being formed. In this study, we conduct a chromatin immunoprecipitation in Saccharomyces cerevisiae to determine what genes and DNA motifs Cbf1 binds to in its wild type versus …
Zmp-Induced Activation Of Ampk Enhances Accumbal Dopamine Function, Isabella Roque, Jordan Yorgason, Rachel Campbell, Serin Baker, Jared Mcfarlane, Oliver Saunders, David Thomson
Zmp-Induced Activation Of Ampk Enhances Accumbal Dopamine Function, Isabella Roque, Jordan Yorgason, Rachel Campbell, Serin Baker, Jared Mcfarlane, Oliver Saunders, David Thomson
Library/Life Sciences Undergraduate Poster Competition 2024
Oral Presentation Honorable Mention
• Dopamine terminal function is associated with motivation
• Fasting activates AMPK, a cellular sensor that measures intracellular AMP relative to ATP
• AMPK activation is a target of interest for age related cognitive decline, prevention of muscle wasting, etc.
• ZMP is an endogenous nucleotide AMP mimetic that activates AMPK
• The present study examined the novel precursor ZMP compound called P39 using an ex vivo mouse model
Vulnerabilities Of Gender Non-Conforming Children Within The Abcd Study, Mitchell D. Felix, Erik J. Nelson
Vulnerabilities Of Gender Non-Conforming Children Within The Abcd Study, Mitchell D. Felix, Erik J. Nelson
Library/Life Sciences Undergraduate Poster Competition 2024
• In the broad field of childhood health and development, understanding and caring for society’s most vulnerable populations is vital. One such at-risk population is gender non-conforming children, individuals whose gender expression does not conform to conventional societal norms.1
• Gender non-conforming individuals are likely to be subject to increased discrimination and violence,2 with non-conforming youths specifically seeing elevated rates of harassment by peers and childhood abuse.3,4
• The intersection between gender identity and health outcomes is an emerging field with important applications for policy, practice and societal attitudes.
Variation In Vital Rates Among Least Chub (Iotichthy Phlegethontis), Lauren Applebee, Mark C. Belk, Nathan St. Andre
Variation In Vital Rates Among Least Chub (Iotichthy Phlegethontis), Lauren Applebee, Mark C. Belk, Nathan St. Andre
Library/Life Sciences Undergraduate Poster Competition 2024
Conservation plans for a species often requires knowledge of population trends. These trends can be difficult to acquire, but one piece of information that can be attained from populations is the catch per unit effort (CPUE). We are trying to use CPUE in a new way to determine population demography for populations of Iotichthys phlegethontis, Least Chub.
Understanding The Impact Of Post-Translational Modifications On Nucleosome Positioning, Bronwyn Kennington-Nitz, Steven Johnson, Sophie Lo, Michael Mann, David Bates
Understanding The Impact Of Post-Translational Modifications On Nucleosome Positioning, Bronwyn Kennington-Nitz, Steven Johnson, Sophie Lo, Michael Mann, David Bates
Library/Life Sciences Undergraduate Poster Competition 2024
The placement of histones along DNA is known to be a significant factor in determining gene expression in eukaryotic cells, with post-translational modifications (or PTMs) helping modulate gene expression by acting as an intermediate to other factors. Using the Lys>Gln and Acetyl-Lys mutations of H3, our working hypothesis is that acetylation will decrease the overall strength of positioning, and that mutations will have an identical or nearly identical effect on nucleosome positioning.
Understanding Refractory Status Epilepticus With Novel Hd-Mea Technology, Isaac Stubbs, Ryley Parrish, Melissa Blotter, Max Holmes, Skyler Russell
Understanding Refractory Status Epilepticus With Novel Hd-Mea Technology, Isaac Stubbs, Ryley Parrish, Melissa Blotter, Max Holmes, Skyler Russell
Library/Life Sciences Undergraduate Poster Competition 2024
3rd Place Oral Presentation
Status Epilepticus (SE) is a severe medical condition marked by continuous seizures lasting over 5 minutes. When SE becomes resistant to anticonvulsant drugs, the condition is known as Refractory Status Epilepticus (RSE), which lacks effective treatments and has a mortality rate of 38%. RSE lacks effective treatments partially due to our limited understanding of the mechanisms that lead to patient antiepileptic drug resistance.
Tree Damage Patterning In Alaskan Forests, Emma Barton, Richard Gill, Haden Penrod
Tree Damage Patterning In Alaskan Forests, Emma Barton, Richard Gill, Haden Penrod
Library/Life Sciences Undergraduate Poster Competition 2024
• Tree defoliation (from insect parasites) is not abnormal in the densely forested areas of Alaska, but large outbreak events in recent years have led to cause for alarm.
• To better understand the factors affecting defoliation, we used remote sensing and GIS (geospatial information system) technologies to look at mortality spatial patterns across Hemlock and Spruce forests in southeast Alaska.
• Elevation and proximity to water as well as other factors were considered in determining the impacts of outbreak events due to evidence that changes in landscape can alter parasitism behaviors (Roland & Taylor, 1997).
Theranostic Approaches To Treat Synovial Sarcoma, Machenzie Burr, Jared Barrott, Jeffrey Okojie, Delaney Anderson, Peyton Worley, Jack Davis, Bridger Kearns, Melanie I'Anson-Holton
Theranostic Approaches To Treat Synovial Sarcoma, Machenzie Burr, Jared Barrott, Jeffrey Okojie, Delaney Anderson, Peyton Worley, Jack Davis, Bridger Kearns, Melanie I'Anson-Holton
Library/Life Sciences Undergraduate Poster Competition 2024
Synovial sarcomas (SS) are rare soft tissue cancers that are found beside bone in children and adolescents. Currently, the prognosis for these diseases are low, as diagnostic and treatment options are limited due to the rarity of the disease. With high rates of metastasis, treatment options for these diseases become further limited to primarily radiation and chemotherapies. These therapies have limited specificity in their mechanisms, causing severe side effects in patients. This work examined alternative options for synovial sarcoma theranostic approaches, specifically using immunoconjugates for Oncostatin M Receptors (OSMR). This receptor was chosen due to the high rate of expression …
The Role Of Sirt7 In Beta Cell Function And Insulin Secretion, Trevor C. Kendrick, Jeffrey S. Tessem, Connor Littlefield
The Role Of Sirt7 In Beta Cell Function And Insulin Secretion, Trevor C. Kendrick, Jeffrey S. Tessem, Connor Littlefield
Library/Life Sciences Undergraduate Poster Competition 2024
Diabetes is a chronic metabolic disease characterized by an inability of beta cells to produce or secrete insulin due to decreasing beta cell mass, a condition induced by beta cell death or overuse. Current treatment consists of daily administration of insulin to diabetic individuals. We have shown that Sirtuin 7 (Sirt7), a deacetylase located in the nucleus, directly interacts with Nkx6.1, a transcription factor essential for beta cell function and proliferation. We have shown that one of the post translational modifications that impinges on Nkx6.1 activity is acetylation. Given Sirt7’s role as a deacetylase, and published reports demonstrating its impact …
The Genome Of Huauzontle (Chenopodium Berlandieri), A North American Relative Of Quinoa, Ashley K. Marcheschi, Jeff Maughan, Peter J. Maughan, David E. Jarvis, Kate E. Jaggi, Eric N. Jellen
The Genome Of Huauzontle (Chenopodium Berlandieri), A North American Relative Of Quinoa, Ashley K. Marcheschi, Jeff Maughan, Peter J. Maughan, David E. Jarvis, Kate E. Jaggi, Eric N. Jellen
Library/Life Sciences Undergraduate Poster Competition 2024
Quinoa (Chenopodium quinoa) is a popular Andean seed crop that has a reduced ability to thrive outside of its native range. A related member of the Allotetraploid Goosefoot Complex (ATGC), pitseed goosefoot (Chenopodium berlandieri), is a minimally invasive North American weed that is able to survive in climates and environments that are restrictive to quinoa growth. C. berlandieri has been independently domesticated at least three times, including in Mesoamerica as the immature panicle vegetable ‘huauzontle.’ To assess the capacity of C. berlandieri as a genetic resource for improvement of C. quinoa, we sequenced the whole genome of a huauzontle accession …
The Effect Of Percussive Massage On Collagen Gene Expression In Skeletal Muscle, James Bartling, Robert D. Hyldahl, Emma Schaugaard, Mohadeseh Ahmadi
The Effect Of Percussive Massage On Collagen Gene Expression In Skeletal Muscle, James Bartling, Robert D. Hyldahl, Emma Schaugaard, Mohadeseh Ahmadi
Library/Life Sciences Undergraduate Poster Competition 2024
INTRODUCTION
• Exercise is a critical aspect of healthy living due in part to its effects of muscle adaptation, which are largely regulated by alterations in gene expression
• Sedentary behavior can be required by diverse life circumstances, suggesting a need to reproduce the beneficial effects of exercise by an alternative means
• Like exercise, percussive massage introduces a mechanical strain on the muscle, which could potentially replicate a similar remodeling response of the extracellular matrix (ECM). However, this has not yet been studied
• Collagen 1,3,&4 are major components of the ECM that adapt in response to exercise, and …
The Changing Tumor Microenvironment Of Non-Small Cell Lung Cancer, Mackenzie Hansen, Kim O'Neill, Qin Zhou, Yoko Derose, Magdalena Kovacsovics, Benjamin Brintz, Benjamin L. Witt, Siwen Hu-Lieskovan
The Changing Tumor Microenvironment Of Non-Small Cell Lung Cancer, Mackenzie Hansen, Kim O'Neill, Qin Zhou, Yoko Derose, Magdalena Kovacsovics, Benjamin Brintz, Benjamin L. Witt, Siwen Hu-Lieskovan
Library/Life Sciences Undergraduate Poster Competition 2024
Lung cancer is the leading cause of cancer related death in the United States, and non-small cell (NSCLC) is the most common type. An increasingly prevalent treatment in the last few years for NSCLC has been immunotherapy. However, for immunotherapy to be the most effective, we need to have a better understanding of how the immune system interacts with cancer in all stages. Specifically, we need to know where the immune cells reside, how they interact with each other, and how these populations change as the disease progresses. To define the tumor microenvironment, we stained 27 whole tumor slides with …
Targeting Hsp90: A Novel Approach To Combat Synovial Sarcomas, Peyton Worley, Jared Barrott, Matt Kirkham, Drake Heithoff
Targeting Hsp90: A Novel Approach To Combat Synovial Sarcomas, Peyton Worley, Jared Barrott, Matt Kirkham, Drake Heithoff
Library/Life Sciences Undergraduate Poster Competition 2024
Synovial sarcomas are rare muscle cancers that have very few targeted therapies. HSP90 is a protein upregulated in this form of cancer and many others. A screening of this cancer was done in vitro, using FDA-approved drugs, showing that HSP90 could be a promising treatment option. A novel HSP90 inhibitor was applied to human and mouse synovial sarcoma cell lines and was analyzed after receiving a drug treatment for HSP90.
Tardigrade Niche Partitioning, Samantha Hougaard, Byron Adams
Tardigrade Niche Partitioning, Samantha Hougaard, Byron Adams
Library/Life Sciences Undergraduate Poster Competition 2024
The two types of Tardigrade (also known as Tardigrade), Ramazzottius and Echiniscus, coexist in the same environment. It could be assumed that they partition their resources by food type to avoid competition. To test this theory, I limited the two tardigrade groups to one food source.
Staying Hydrated: A Comparative Analysis Of Humectants In Human Tissue, Rachel Prince, Jason Adams, Joseph Monsen
Staying Hydrated: A Comparative Analysis Of Humectants In Human Tissue, Rachel Prince, Jason Adams, Joseph Monsen
Library/Life Sciences Undergraduate Poster Competition 2024
3rd Place Poster Design
Humectants are an important class of compounds that attract and retain water within a cell. When mixed with water to create wetting solutions, humectants can prevent desiccation of cadaveric specimens1. Recognizing a relative scarcity of comparative studies analyzing the effects of various wetting solutions on post-preservation cadaveric maintenance, we utilized wet-dry analysis in order to compare the effects of four common humectants on water retention in human cadaveric tissue including brain, cardiac muscle, liver, lung, skeletal muscle, and skin. We created a concentration gradient for each humectant to identify the optimal concentrations of each compound for …
Solving The Hiv Enigma: Investigating Mutant Long-Term Non-Progressor Vpr Strands, Megan Knight, Bradford Berges
Solving The Hiv Enigma: Investigating Mutant Long-Term Non-Progressor Vpr Strands, Megan Knight, Bradford Berges
Library/Life Sciences Undergraduate Poster Competition 2024
Different variants of HIV:
➢ Rapid Progressor: aggressive symptoms, quick progression into AIDs
➢ Wild-Type: regular symptoms, regular progression into AIDs
➢ Long-Term Non-Progressor: little-
Population Monitoring Of Beaver Mountain Groundsel, Autumn Gudmundsen, Loreen Allphin, Madison Huie, Steve Flinders
Population Monitoring Of Beaver Mountain Groundsel, Autumn Gudmundsen, Loreen Allphin, Madison Huie, Steve Flinders
Library/Life Sciences Undergraduate Poster Competition 2024
2nd Place Poster Design
• Beaver Mountain groundsel, Packera castoreus, is a rare flowering plant, endemic to the Tushar Mountains of Utah (fig.1 & 2).
• P. castoreus has been classified as high priority for monitoring and conservation by the Utah Native Plant Society1.
• The plants in the Tushars are some of the least studied in Utah.
• There have been conservation concerns for rare alpine species recently due to increased threats. Threats to this species include:
• Grazing from large ungulates (mountain goats, deer, & elk)2
• Human impacts, especially hiking1
• Climate change1
• To better understand …
Phylogeny Of Hetaerina (Odonata: Calopterygidae): Settling Taxonomic Issues, Reganne Leigh Hales, Seth M. Bybee, Laura N. Sutherland, Melissa Sanchez Herrera, Samantha Standring
Phylogeny Of Hetaerina (Odonata: Calopterygidae): Settling Taxonomic Issues, Reganne Leigh Hales, Seth M. Bybee, Laura N. Sutherland, Melissa Sanchez Herrera, Samantha Standring
Library/Life Sciences Undergraduate Poster Competition 2024
Recent phylogenetic work within Hetaerininae based on Sanger data highlighted classification issues (e.g., non-monophyly between the genera), however no changes were proposed at that time. We explore the phylogeny of Hetaerininae using a targeted enrichment approach (AHE) of 20KB (18.5KB of nuclear and 1.5 of mitochondrial DNA) in an attempt to resolve any discrepancies.
Nkx6.1 And Stx1a As Binding Partners In Pancreatic Beta Cells, Jakob T. Lenker, Jeff S. Tessem, Connor C. Littlefield
Nkx6.1 And Stx1a As Binding Partners In Pancreatic Beta Cells, Jakob T. Lenker, Jeff S. Tessem, Connor C. Littlefield
Library/Life Sciences Undergraduate Poster Competition 2024
Diabetes is characterized by a loss in beta cell function within the pancreas and the subsequent inability to produce sufficient insulin to regulate blood glucose. While current diabetes treatments focus on delivering pharmaceutical insulin to diabetic individuals, such treatments are temporary solutions and do not address the root of the issue. Instead, our research focuses on potential mechanisms for inducing greater insulin secretion within the pancreas of the individual. NK6 Homeobox 1 (Nkx6.1) is a major transcription factor in beta cells and its overexpression in beta cells is associated with higher insulin secretion. Previous research indicates that Syntaxin 1A (Stx1A) …
Neural Epigenetic Changes In Response To Morphine: A Peek Into The Science Of Addiction, Timothy Smartt, Jeffrey Edwards, Addison Smartt
Neural Epigenetic Changes In Response To Morphine: A Peek Into The Science Of Addiction, Timothy Smartt, Jeffrey Edwards, Addison Smartt
Library/Life Sciences Undergraduate Poster Competition 2024
Introduction
Since the 1990's, the United States has experienced a crisis of opioid addiction and overdose. The effects of opioids on the ventral tegmental area (VTA), the reward center of the brain, are a primary cause of opioid dependence.
Mmappr2: An Improved Bioinformatics Approach To Find Novel Genes, Aiden Cardall, Jonathon T. Hill, Kyle Johnsen, Connor Ward, Maliha Tasnim, Jared Taylor
Mmappr2: An Improved Bioinformatics Approach To Find Novel Genes, Aiden Cardall, Jonathon T. Hill, Kyle Johnsen, Connor Ward, Maliha Tasnim, Jared Taylor
Library/Life Sciences Undergraduate Poster Competition 2024
Introduction
• New genes are commonly found by randomly inducing mutations in model organisms.
• Mapping the mutations to the genome to find novel genes is difficult, time-consuming, and expensive.
• We created a bioinformatics program, MMAPPR, to automate this process.
• Here, we introduce a new algorithm, MMAPPR2, which requires little to no bioinformatics knowledge to use.
• MMAPPR2 makes several improvements that allow it to identify genes more rapidly and precisely.
• MMAPPR2 will aid the rapid identification of genes in a wide range of species and developmental systems.
Leucine Lock: A Diagnostic Tool To Revolutionize Rapid Antigen Testing, Kaitlyn Robinson, Jonathon Hill, Benjamin Johnson, Matt Goff
Leucine Lock: A Diagnostic Tool To Revolutionize Rapid Antigen Testing, Kaitlyn Robinson, Jonathon Hill, Benjamin Johnson, Matt Goff
Library/Life Sciences Undergraduate Poster Competition 2024
• The current field of rapid testing uses antigen tests that are ELISA-based.
• ELISA tests are expensive and can only provide results for high-antigen loads. (asymptomatic patients and/or low-antigen samples generate inaccurate results).1
• We aim to provide a cheaper rapid test that produces both quantitative and qualitative results.
Jaspine B And The Sea Sponge That Fights Cancer, Jack Davis, Jared Barrott, Adriene Pavek, Farjana Afrin, Sameena Mateen, Brendon Meldrum, Rocio Rojas, Pamela Diaz, Megan Condie, Ali Aghazadeh-Habashi, Srinath Pashikanti
Jaspine B And The Sea Sponge That Fights Cancer, Jack Davis, Jared Barrott, Adriene Pavek, Farjana Afrin, Sameena Mateen, Brendon Meldrum, Rocio Rojas, Pamela Diaz, Megan Condie, Ali Aghazadeh-Habashi, Srinath Pashikanti
Library/Life Sciences Undergraduate Poster Competition 2024
Jaspine B is a natural marine product, derived from the sea sponge, Jaspis, found in some tropical climates. Jaspine B has been shown to be an effective treatment in some cancers with an upregulation of sphingomyelin synthase. This research aimed to understand the effects of Jaspine B on synovial sarcoma, and investigate its potential to be used as targeted treatment in other cancers that have an upregulation of sphingomyelin synthase
Ivermectin Activates Striatal Cholinergic Interneurons To Enhance Dopamine Release, Tyler Love, Jordan Yorgason, Hillary Wadsworth, Alicia Warnecke, Joshua Barlow, Emma Steimle, Joakim Ronström, Pacen Williams, Christopher Galbraith, Jared Baldridge, Michael Jakowec, Daryl Davies
Ivermectin Activates Striatal Cholinergic Interneurons To Enhance Dopamine Release, Tyler Love, Jordan Yorgason, Hillary Wadsworth, Alicia Warnecke, Joshua Barlow, Emma Steimle, Joakim Ronström, Pacen Williams, Christopher Galbraith, Jared Baldridge, Michael Jakowec, Daryl Davies
Library/Life Sciences Undergraduate Poster Competition 2024
• The substantia nigra compacta releases dopamine into the dorsal striatum, a brain region associated with movement and motivation
• Cholinergic interneurons in the dorsal striatum can directly cause dopamine release
• IVM is a known positive allosteric modulator of P2X4 receptors as well as nicotinic
• acetylcholine receptors
• Ivermectin is known to affect many dopamine linked behaviors, but no studies have been conducted to determine if Ivermectin is able to modulate dopamine release
Is Edna Concentration In Staphylococcus Aureus Biofilm Affected By Nanotube Coating?, Brooklyn Z. Jones, Bradford K. Berges, Lucy C. Bowden
Is Edna Concentration In Staphylococcus Aureus Biofilm Affected By Nanotube Coating?, Brooklyn Z. Jones, Bradford K. Berges, Lucy C. Bowden
Library/Life Sciences Undergraduate Poster Competition 2024
1st Place Oral Presentation
• ~30% of artificial joint failure is caused by infection1
• 80-100% of patients who receive external fixator pins will experience an infection2
• Most of these infections are caused by Staphylococcus aureus
• S. aureus forms biofilms (surface-associated collections of bacteria) that are extremely difficult to treat
• eDNA provides structure and protection to the biofilm
Invasive Phragmites Effect On Utah Wetlands Soil Composition, Cecilia Steffen, Rachel Wood, Madison L. Brown
Invasive Phragmites Effect On Utah Wetlands Soil Composition, Cecilia Steffen, Rachel Wood, Madison L. Brown
Library/Life Sciences Undergraduate Poster Competition 2024
Introduction
• Invasive Phragmites australis (referred to as Phragmites), invaded Utah wetlands in the 1980's. Efforts have been made since then to remove Phragmites through various treatments.
• Phragmites outcompetes other wetland plants, causing it to be the dominant species. This is called a monoculture.
• Utah's wetlands are important for many species migrations, filtration, and nutrient cycling.
• How do Phragmites treatments effect soil nutrients and moisture? How do untreated Phragmites wetlands compare to native dominant wetlands?
In Search Of Super-Scents For Carnivore Attraction, Megan Doxey
In Search Of Super-Scents For Carnivore Attraction, Megan Doxey
Library/Life Sciences Undergraduate Poster Competition 2024
Find chemical scents that are more effective at alluring North American predators than what is commercially available, then isolate the scent’s chemical structure to create better trapping lures.
Fish Tattoos: The Evolutionary Cost Of Black Spot Disease, Eric J. Morris, Jerry B. Johnson
Fish Tattoos: The Evolutionary Cost Of Black Spot Disease, Eric J. Morris, Jerry B. Johnson
Library/Life Sciences Undergraduate Poster Competition 2024
QUESTION
Does Black Spot Disease increase the fitness of male fishes?
HYPOTHESIS
We hypothesize that Black Spot Disease will increase the fitness of male fishes. We predict that female fishes will exhibit an association preference for infected males over healthy males when given the choice between the two. This observed preference would suggest that BSD is advantageous for male fishes
Exploring Soil Plant Relationships To Inform Seed Selection For Rangeland Restoration, Mallory Hinton, April Hulet, Matt Madsen, Raechel Hunsaker, Shannon Nelson
Exploring Soil Plant Relationships To Inform Seed Selection For Rangeland Restoration, Mallory Hinton, April Hulet, Matt Madsen, Raechel Hunsaker, Shannon Nelson
Library/Life Sciences Undergraduate Poster Competition 2024
Seeding plants post disturbance on rangelands is a challenge due to unique ecological and environmental conditions such as:
• Limited water availability1
• Invasive species2
• Soil health3
• Native seed supplies4
One of the key factors to address these challenges and have a successful seeding is to understand the relationship between soil properties and the plants that grow within them.