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Auctus: The Journal of Undergraduate Research and Creative Scholarship
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Articles 1 - 15 of 15
Full-Text Articles in Life Sciences
Observing Ceramide Pathway With Ferroptosis Via Mia Paca-2 Cell Treatment With Rsl3, Tazrin Rahman
Observing Ceramide Pathway With Ferroptosis Via Mia Paca-2 Cell Treatment With Rsl3, Tazrin Rahman
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Composed of sphingosine and a fatty acid, ceramides are lipid molecules that serve as key metabolic signaling molecules of a sphingolipid pathway. While it acts as a precursor of complex sphingolipids, inducing ceramide generation can cause cell stress leading to subsequent cell death via apoptosis, necrosis, and even mitophagy. With regards to cell death specifically, a novel form of regulated cell death, ferroptosis, has recently been recognized of necrotic nature. Its unique morphological features and distinct properties have been observed over the last several decades; however, the molecular features were not identifiable as pure evidence of cell death, until recently …
Exploring The Connection Between The Spontaneous Regression Seen In Neuroblastomas, Hypertumors, And Reactive Oxygen Species, Shahad Musa, Manitha Mulpuru
Exploring The Connection Between The Spontaneous Regression Seen In Neuroblastomas, Hypertumors, And Reactive Oxygen Species, Shahad Musa, Manitha Mulpuru
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Peto’s Paradox is defined as the lack of correlation between larger animals and cancer risk. Under the assumption that all cells have equal risk of becoming cancerous, larger animals should have greater rates of cancer. However, the inverse is true. Determining the cause of this variation may allow a supplemental approach to cancer treatment. A combination of two reasons may account for this correlation including hypertumors and metabolism. Hypertumors, or cheater cells, are hypothesized to suppress cancer growth through spontaneous autophagic degradation and overexpression of the RAS g-protein. Both of these characteristics are exhibited in Neuroblastomas. An anticancer drug used …
Slowing Down The Clock: Cellular Senescence And Aging, Saad Bhatti
Slowing Down The Clock: Cellular Senescence And Aging, Saad Bhatti
Auctus: The Journal of Undergraduate Research and Creative Scholarship
No abstract provided.
The Substantiality Of The Neuroplasticity Hypothesis Of Major Depressive Disorder: The Prospective Use Of Ketamine-Like Drugs As Antidepressants, Roma Kankaria
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Abstract
Major depressive disorder (MDD) affects approximately 17.3 million adults in the United States each year. For more than 50 years, the serotonin hypothesis of MDD, which hypothesizes that a deficiency of monoaminergic neurotransmitters results in depression, has been the foundation for neuropsychological research. However, studies reveal that only an estimated 50% of MDD patients respond to traditional, biogenic-amine-based antidepressants (ADs), like selective serotonin reuptake inhibitors (SSRIs). Research has noted that the neuroplasticity hypothesis, which posits that weakened excitatory synaptic transmission results in depression, offers an alternative mechanism by which ketamine-like drugs lacking the abuse liability and psychoactive effects of …
Erbb3 Signaling And Its Effect On Spheroid Formation In Ovarian Cancer, Muskan Bansal, Danielle Burke, Mara P. Steinkamp
Erbb3 Signaling And Its Effect On Spheroid Formation In Ovarian Cancer, Muskan Bansal, Danielle Burke, Mara P. Steinkamp
Auctus: The Journal of Undergraduate Research and Creative Scholarship
ErbB3 is a receptor tyrosine kinase in the epidermal growth factor receptor (EGFR) family. Like other family members, it has an extracellular ligand-binding domain, a transmembrane domain, and an intracellular kinase domain. ErbB3 requires interactions with other receptors and dimerizes with ErbB2 and MET, to activate downstream signaling pathways. Mutations in the ErbB3 gene within the extracellular and kinase domains have been identified in many cancer types. To understand the impact of ErbB3 on cancer growth and metastasis, the human ovarian cancer cell line, OVCAR8, was used as a model. Parental OVCAR8 cells that express ErbB2 and ErbB3 were compared …
Investigation Into The Role Of Manganese In The Growth Of The Opportunistic Pathogen Streptococcus Sanguinis, Brittany Spivey
Investigation Into The Role Of Manganese In The Growth Of The Opportunistic Pathogen Streptococcus Sanguinis, Brittany Spivey
Auctus: The Journal of Undergraduate Research and Creative Scholarship
While Streptococcus sanguinis plays a beneficial role in the oral cavity as a competitor of Streptococcus mutans and Streptococcus sobrinus, the bacteria that produce dental caries, it can cause deadly infective endocarditis if given the opportunity to colonize the vegetations that form over damaged endocardial tissue. Pre-existing heart conditions, surgery, and intravenous drug use predispose individuals to endocarditis. S. sanguinis growth and consequential virulence is significantly impeded by restriction to manganese. This is due to the resulting overwhelming oxidative stress and formation of reactive oxygen species which damage DNA and other cellular components. Manganese is essential for S. sanguinis proteins …
Adherence Mechanism Analysis: The Role Of Prsa Gene In Lactobacillus Acidophilus And Other Infectious Microorganisms, Nujuma Moussa
Adherence Mechanism Analysis: The Role Of Prsa Gene In Lactobacillus Acidophilus And Other Infectious Microorganisms, Nujuma Moussa
Auctus: The Journal of Undergraduate Research and Creative Scholarship
No abstract provided.
Homo Heidelbergensis: The Tool To Our Success, Alexander Burkard
Homo Heidelbergensis: The Tool To Our Success, Alexander Burkard
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Homo heidelbergensis, a physiological variant of the species Homo sapien, is an extinct species that existed in both Europe and parts of Asia from 700,000 years ago to roughly 300,000 years ago (carbon dating). This “subspecies” of Homo sapiens, as it is formally classified, is a direct ancestor of anatomically modern humans, and is understood to have many of the same physiological characteristics as those of anatomically modern humans while still expressing many of the same physiological attributes of Homo erectus, an earlier human ancestor. Since Homo heidelbergensis represents attributes of both species, it has therefore earned the classification as …
Bacterial Forensics: Revolutionizing Biochemical Analysis, Caitlin Cain
Bacterial Forensics: Revolutionizing Biochemical Analysis, Caitlin Cain
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Eva Childrey is a junior forensic science and chemistry double major working in Dr. Eh- rhardt’s research laboratory at VCU. The main goal of the research conducted in this laboratory is to explore the lipid profiles of different bacterial species.
Neuronal Migration: How Do You Build A Brain?, Sravya Uppalapati
Neuronal Migration: How Do You Build A Brain?, Sravya Uppalapati
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Senior biology major Alex Burkard is working in the Walsh Neurodevelopment Laboratory at VCU to help answer the question, ‘How do you build a brain?’ Burkard is researching neuronal migration in Zebrafish and how cellular polarity affects hindbrain development.
Osseointegration Of Wrapped Dental Implants In Rabbits, Alex Whitehead
Osseointegration Of Wrapped Dental Implants In Rabbits, Alex Whitehead
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Edentulous patients (those lacking teeth) require one of two approaches to augmentation: inserting a vertical bone graft, or subperiosteally anchoring a device on which an implant can be attached. Bone grafts have had unpredictable results and can undergo resorption over time, compromising implant stability and success. As of the subperiosteal approach, current materials have not proven to directly integrate with the bone, in a process termed osseointegration. Therefore, we used additive manufacturing to create a Ti6Al4V alloy surface with a specific roughness to determine if it would be osseoinductive in a challenging rabbit model over six weeks.
Hannah Huddle: Visually Comparing Art And Science, Mark Hardison
Hannah Huddle: Visually Comparing Art And Science, Mark Hardison
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Hannah Huddle, a junior at VCU majoring in communications arts with a concentration in scientific illustration, has been working on a research project with VCU biology professor Dr. Lesley Bulluck, and a group of six students, researching the Prothonotary Warbler. Unlike most researchers, Huddle is both studying the biology of the bird and making illustrations of the bird and the research involving the Warbler.
Vcu's Green Richmond Research, Nadia Rentia
Vcu's Green Richmond Research, Nadia Rentia
Auctus: The Journal of Undergraduate Research and Creative Scholarship
The impact of urbanization on the dogwood tree was the VCU junior Kaitlyn Parkman’s focus as she researched hundreds of trees in Richmond.
Genetic Interaction Influenced By Fluvastatin And Tgfb, Rebekah Rifareal
Genetic Interaction Influenced By Fluvastatin And Tgfb, Rebekah Rifareal
Auctus: The Journal of Undergraduate Research and Creative Scholarship
I was looking for an opportunity to network with researchers at VCU and found this program that would provide the perfect atmosphere to do so. The added benefit of HERO was that I also got the opportunity to network with other undergraduates interested in research from VCU as well as other institutions.
Mexican Health Paradox, Merit George
Mexican Health Paradox, Merit George
Auctus: The Journal of Undergraduate Research and Creative Scholarship
Despite the broad array of research that exists on the Hispanic health paradox, no single explanation has been marked as the dominant reason for the disparities in life expectancy that exist between Mexican Americans and other Hispanic and non-Hispanic ethnic groups. This indicates that researchers must adopt a more open perspective that examines the influence of multidimensional factors that integrate culture, religious tradition, and lifestyle. The purpose of the current study is to 1) readily define the paradox and provide a thorough review of existing literature on the topic; 2) suggest a transition from exploring statistical explanations of the paradox …