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Articles 5431 - 5460 of 256614
Full-Text Articles in Entire DC Network
Herbivore Cues And Plant Damage-Associated-Compounds Jointly Alter Seed Germination And Seedling Herbivory, Katherine Overstrum
Herbivore Cues And Plant Damage-Associated-Compounds Jointly Alter Seed Germination And Seedling Herbivory, Katherine Overstrum
Open Access Master's Theses
While plant defense against herbivory is primarily thought to occur following attack, there is also evidence that plants can detect and respond to pre-attack cues. These cues include chemicals released from damaged conspecifics and kairomones, non-attack-related substances emitted by an herbivore that plants can detect and use to their benefit. It is unknown, however, whether or how plants react to the interaction of these pre-attack cues. We measured germination, growth, and herbivore susceptibility of B. nigra seedlings in an experiment that crossed the presence/absence of crushed B. nigra leaves with the presence/absence of mucus of a generalist herbivore, A. subfuscus …
Biomechanical Effects Of Exercise-Based Interventions In Chronic Nonspecific Low Back Pain: A Systematic Review And Meta-Analysis, Lara De Vecchi Machado
Biomechanical Effects Of Exercise-Based Interventions In Chronic Nonspecific Low Back Pain: A Systematic Review And Meta-Analysis, Lara De Vecchi Machado
Theses and Dissertations--Kinesiology and Health Promotion
Chronic nonspecific low back pain (CNLBP) is the leading cause of years lived with disability worldwide and represents a complex, multifactorial, and heterogeneous condition. It is characterized by substantial interindividual variability in muscle activation patterns, lumbo-pelvic coordination, and movement strategies. Although exercise is widely recommended as a first-line intervention and its clinical benefits are well established, the biomechanical mechanisms underlying functional improvement remain fragmented in the literature and are rarely synthesized quantitatively.
This dissertation conducted a systematic review with meta-analysis to investigate the biomechanical effects of exercise-based interventions in individuals with CNLBP. A total of 39 studies were included and …
Role Of Estrogen Receptor Alpha In Modulating The Circadian System In Female Mice, Victoria Alvord
Role Of Estrogen Receptor Alpha In Modulating The Circadian System In Female Mice, Victoria Alvord
Theses and Dissertations--Biology
Circadian rhythms are approximately 24-hour cycles of physiology and behavior. Circadian rhythms of eating, or meal timing, are linked to cardiometabolic dysfunction in humans. Mistimed eating, such as breakfast skipping and eating late at night, increases the risk of obesity, diabetes, and cardiovascular disease in humans. Likewise, disrupted eating rhythms cause obesity in mice. This dissertation investigates how estrogens regulate eating behavior rhythms and tissue clock timing in female mice. Chapter 1 reviews three key components critical to this work. The first is an overview of the field of chronobiology and the function of the circadian system. The second is …
The Rhesus Macaque Model Of Mycobacterium Avium Infection Reveals That Age-Related Disease Is Due In Part To Chronic Inflammation And Lung Microbial Dysbiosis, Ethan G. Napier
Theses and Dissertations--Microbiology, Immunology, and Molecular Genetics
Aging is associated with dysregulated immunity and increased susceptibility to infection, a phenomenon dubbed as immunosenescence and characterized by reduced naïve T and B cell pools, altered innate immune function, and chronic low-grade inflammation. Nontuberculous mycobacterial (NTM) pulmonary disease (NTMPD) is an increasingly relevant chronic lung infection that disproportionately affects older adults (65+ years) and immunocompromised individuals. However, the host factors underlying increased disease severity in aged patients remain poorly defined. Literature suggests that effective control of NTM relies on coordinated innate and adaptive immune responses, particularly macrophage activation and Th1 cytokine signaling. Using a rhesus macaque model that closely …
A Framework For Characterizing The Peripheral Immune Isonome Using Long-Read Single-Cell Rna Sequencing And Its Relevance To Neurological Disease, Patricia Hayes Doyle
A Framework For Characterizing The Peripheral Immune Isonome Using Long-Read Single-Cell Rna Sequencing And Its Relevance To Neurological Disease, Patricia Hayes Doyle
Theses and Dissertations--Neuroscience
Long-read single-cell RNA sequencing provides an opportunity to understand human health and disease at isoform resolution, revealing cellular diversity and disease mechanisms difficult to resolve with bulk or short-read methodologies.
Using a modified PIPseq workflow and computational pipeline adapted for Oxford Nanopore (ONT) sequencing, we profiled isoform usage across immune cells, integrating marker expression and isoform discovery, generating the largest long-read single-cell dataset of human immune cells from a single individual to date. We identified non-canonical protein-coding variants of GZMB and CD3G enriched in unexpected cell types. We also discovered novel transcripts from CMC1 and LYAR with cell-type-specific signatures that …
Metabolism As A Regulator Of Sleep And Cortical Activity In Health And Alzheimer’S Disease, Nicholas J. Constantino
Metabolism As A Regulator Of Sleep And Cortical Activity In Health And Alzheimer’S Disease, Nicholas J. Constantino
Theses and Dissertations--Neuroscience
Metabolic flexibility is essential for maintaining normal physiological function, enabling an organism to sense, flux, utilize, and switch fuel sources in response to changing energetic availability, demand, and cellular needs. Energetic demands are state-dependent, with wake and sleep exhibiting distinct metabolic profiles. Sleep is highly sensitive to changes in metabolism and requires metabolic flexibility to both transition into and maintain sleep stability. Alzheimer’s disease (AD) is increasingly recognized as a disease of altered metabolism yet is often framed as a disease of energetic failure. We instead define AD as a disease of metabolic inflexibility, characterized not by insufficient energy availability, …
Design And Advancement Of Analytical Frameworks For In Vivo Single-Photon Calcium Imaging To Characterize Temporal- And Treatment-Dependent Neural Adaptations To Opioid Exposure And Withdrawal In The Medial Prefrontal Cortex, Alexia R. Alsum Dr.
Theses and Dissertations--Pharmacy
Despite the availability of several approved medications for opioid use disorder (OUD), it remains a significant public health concern characterized by persistent neurobiological adaptations that drive relapse and impede successful recovery. The medial prefrontal cortex (mPFC), a region critical for executive control and decision-making, undergoes pronounced functional changes during chronic opioid exposure and withdrawal, yet the cellular mechanisms underlying these adaptations remain poorly understood. This dissertation aims to investigate longitudinal alterations in mPFC neural activity across opioid exposure and withdrawal using in vivo single-photon calcium imaging and newly developed computational frameworks.
Following standard preprocessing to extract and normalize calcium traces, …
Exploring The Limitations Of Substrate Scope In Dimethylallyltryptophan Synthases, Evan T. Miller
Exploring The Limitations Of Substrate Scope In Dimethylallyltryptophan Synthases, Evan T. Miller
Theses and Dissertations--Pharmacy
Natural products (NPs), are the largest source of bioactive compounds in Nature, and are essential to the treatment of human disease. Nearly 50% of drugs approved for use from 1981 to 2019 owe some aspect of their development to NPs, either in terms of their structure, pharmacophore, or mechanism of action. However, NPs are difficult to structurally optimize. Chemoenzymatic methods for NP derivatization have been increasingly seen as practical alternatives to traditional synthetic methods. Prenyltransferases (PTs) are involved in the primary and secondary metabolism of plants, bacteria, and fungi, and they are key enzymes in the biosynthesis of many clinically …
Molecular Mechanisms And Metabolic Consequences Of Glucocorticoid Resistance, Genesee J. Martinez
Molecular Mechanisms And Metabolic Consequences Of Glucocorticoid Resistance, Genesee J. Martinez
Theses and Dissertations--Pharmacology and Nutritional Sciences
Glucocorticoids are vital steroid hormones that govern metabolism, stress responses, and immune functions through intricate, tissue-specific mechanisms, both genomic and non-genomic. These hormones bind to the glucocorticoid receptor (GR), which then acts as a transcription factor to modulate gene expression. Chronic elevation of glucocorticoid levels may lead to glucocorticoid resistance, resulting in adiposity, inflammation, and insulin resistance, thereby adversely affecting multiple metabolic tissues. Whether produced endogenously or administered exogenously, excessive, chronic glucocorticoid concentrations impair glucocorticoid signaling. Although there are two primary isoforms of the receptor, GR⍺ and GRβ, only GR⍺ interacts with glucocorticoids.Through the research conducted in this dissertation, we …
Expanding The Role Of Muscle Stem Cell Fusion In Muscle Under Hypertrophic Stimulus, Jensen Goh Zhong Sheng
Expanding The Role Of Muscle Stem Cell Fusion In Muscle Under Hypertrophic Stimulus, Jensen Goh Zhong Sheng
Theses and Dissertations--Physiology
Muscle stem cells (MuSCs) are a unique stem cell population that can activate in response to both injury and growth stimuli. Studies on muscle regeneration have shown MuSC activation follows a uniform progression through proliferation, differentiation, and fusion. Therefore, to determine whether MuSC replication is a prerequisite for differentiation under hypertrophic stimulus, I used a lineage-tracking mouse model (Pax7rtTA; TRE-H2B-GFP) to label MuSC nuclei and simultaneously tracked DNA synthesis via EdU incorporation. This dual-labeling approach allowed us to not only distinguish MuSC-derived nuclei but also demarcate which MuSC had proliferated prior to fusion. I then employed a mechanical …
A Tale Of Two Serpins: Pathologic And Protective Roles Of Agt And Pai-1 In Metabolic And Cardiovascular Disease, Alex C. Pettey
A Tale Of Two Serpins: Pathologic And Protective Roles Of Agt And Pai-1 In Metabolic And Cardiovascular Disease, Alex C. Pettey
Theses and Dissertations--Physiology
Metabolic and cardiovascular diseases are leading causes of morbidity and mortality worldwide. Conditions such as metabolic dysfunction-associated steatotic liver disease (MASLD), aortic aneurysm, and cardiac fibrosis have limited pharmacological therapies, underscoring the need for deeper mechanistic investigations. Serine protease inhibitors (serpins) have been implicated in these pathologies and represent potential therapeutic targets. Despite structural homology, serpins regulate diverse physiological processes through both protease inhibition and non-inhibitory mechanisms. This dissertation examines the roles of two serpins, angiotensinogen (AGT) and plasminogen activator inhibitor-1 (PAI-1), in preclinical models of metabolic and cardiovascular disease to identify novel mechanisms that may inform future therapeutic strategies. …
Investigation Into The A/Ss Of Cervical Cancer And Its Effects On Tumor Control Probability In Radiation Therapy, Cameron Thayer-Freeman
Investigation Into The A/Ss Of Cervical Cancer And Its Effects On Tumor Control Probability In Radiation Therapy, Cameron Thayer-Freeman
Theses and Dissertations--Radiation Medicine
The standard of care for locally advanced cervical cancer is chemoradiation, consisting of conventional external beam therapy (EBT) followed by a boost of high dose rate (HDR) brachytherapy. These two radiation treatments will illicit different degrees of biological response depending on the tissue in question, and quantifying the overall effect the combined treatments will have require some form of biological modeling. The linear quadratic (LQ) model of cell survival is the most widely used radiobiological model in clinics across the nation.
It is quantified by the parameters a and ß, which model how radiation generates lethal damage in a population …
Seasonal Population Dynamics And Interspecific Interactions Of Drosophila Suzukii, Eleanor Mccabe
Seasonal Population Dynamics And Interspecific Interactions Of Drosophila Suzukii, Eleanor Mccabe
Theses and Dissertations--Entomology
Invasive species are a growing problem, and it is important to investigate how invasives interact with novel ecosystems, which are characterized by distinct abiotic and biotic factors. In this dissertation, I investigate abiotic and biotic factors affecting two invasive pests in central Kentucky, Drosophila suzukii and Zaprionus indianus. In Kentucky, seasonality, and landscape features on population dynamics and fitness are unknown. I found that D. suzukii overwinters in Kentucky and that wild berry species improve winter survival. I used local weather data to identify meteorological variables that best predict D. suzukii populations. I tested the extent to which D. suzukii …
Fusarium Head Blight Of Hemp: A Destructive Disease Emerges On A New Host, Henry Smith
Fusarium Head Blight Of Hemp: A Destructive Disease Emerges On A New Host, Henry Smith
Theses and Dissertations--Plant Pathology
Hemp was reintroduced as a commercial crop in 2018 after a near 50-year production ban under the Controlled Substances Act. Since reintroduction, Kentucky has consistently ranked among the top five hemp producing states in the US. Surveys have shown that hemp is susceptible to a multitude of diseases that impact production. Among the most concerning diseases in Kentucky is Fusarium head blight (FHB). FHB is a major disease of cereals that is caused by various Fusarium species, predominately F. graminearum. FHB of hemp caused by F. graminearum was first reported in Kentucky in 2020. A survey of 25 different …
Managing Dietary Nonstructural Carbohydrates In Insulin Dysregulated Horses: Pasture, Long-Stem Forage, And Restrictive Grazing Strategies, Morgan J. Askins
Managing Dietary Nonstructural Carbohydrates In Insulin Dysregulated Horses: Pasture, Long-Stem Forage, And Restrictive Grazing Strategies, Morgan J. Askins
Theses and Dissertations--Veterinary Science
Insulin dysregulation (ID) is a complex endocrine disorder, impacting a large percentage of the equine population. ID is the defining characteristic of equine metabolic syndrome (EMS). Within the various classifications of EMS horses, the commonality is ID and their higher risk of laminitis. To mitigate insulin response and laminitis risk in ID horses, current management focuses on restricting pasture exposure and feeding low nonstructural carbohydrate (NSC) rations. Minimal studies have evaluated how ID horses respond to pasture of various NSC, long-stem forages, and restrictive grazing strategies. Providing horse owners and managers with improved nutritional management recommendations for ID horses with …
Equid Major Histocompatibility Complex (Mhc) Evolution & Genome Organization, Lauren C. Johnson
Equid Major Histocompatibility Complex (Mhc) Evolution & Genome Organization, Lauren C. Johnson
Theses and Dissertations--Veterinary Science
The evolution of modern horses has a well-documented fossil record and has long been of interest to the genetics community. Although non-caballine equids (e.g. zebras, donkeys, and asses) can hybridize with horses, the resulting offspring are typically infertile. Despite these reproductive barriers, genomic analyses reveal regions of high sequence similarity among equid species. This dissertation investigates the role of historical introgression in the evolution of modern Equus species. The first chapter re-evaluates earlier findings derived from a limited horse population and a single reference genome. The variants of the identified regions were pushed through Ensembl’s Variant Effect Predictor to assess …
Investigating The Full Annual Cycle Ecology Of Eastern Whip-Poor-Wills Breeding In Central Appalachian Forests, Nicole Notarianni
Investigating The Full Annual Cycle Ecology Of Eastern Whip-Poor-Wills Breeding In Central Appalachian Forests, Nicole Notarianni
Theses and Dissertations--Forestry and Natural Resources
Data on habitat needs of migratory birds across the annual cycle is critical for the development of effective management plans, particularly for declining species. One declining species, the eastern whip-poor-will (Antrostomus vocerifus; EWPW) lacks data on habitat selection patterns through the annual cycle, and this knowledge is particularly scarce for the breeding season. In this thesis, I used archival GPS tags on EWPW to: 1) assess patterns of breeding habitat space-use for 11 EWPW breeding in central Pennsylvania, and 2) describe broad space-use patterns during migration and wintering seasons. Breeding data were paired with three LiDAR-derived habitat metrics: …
Using Camera-Based Unmarked Spatial Capture-Recapture Modeling To Estimate Reintroduced Elk (Cervus Canadensis) Population Parameters And Distribution In Southeastern Kentucky, Claire Marie Muia
Theses and Dissertations--Forestry and Natural Resources
Estimation of population parameters is important for wildlife management decisions. Elk reintroduced to southeastern Kentucky experienced early irruptive population growth and are currently monitored using a statewide harvest-based statistical population reconstruction model (SPR) across the Kentucky Elk Restoration Zone (KERZ). Because the SPR model is spatially coarse and difficult to scale to the smaller management units comprising the KERZ, we conducted a spatially explicit capture-recapture study using a clustered camera-trapping array deployed for 10 weeks from June–August 2024 to estimate elk population parameters within Management Unit 4. Due to a lack of resights of GPS-marked elk, population parameters were estimated …
Between The Rails: Experiential Education And Its Impact On Compliance And Consistency In Racetrack Surface Management, Heather Mackenzie
Between The Rails: Experiential Education And Its Impact On Compliance And Consistency In Racetrack Surface Management, Heather Mackenzie
Theses and Dissertations--Community & Leadership Development
Recent regulatory requirements within the Thoroughbred racing industry have increased expectations for consistent collection and reporting of racetrack surface data. Despite clear standards, implementation in daily operations remains inconsistent, highlighting a gap between regulation, knowledge, and practice. This study examined the impact of an experiential education curriculum on racetrack personnel’s self-efficacy and reporting consistency.
Using a quantitative design, data were collected through pre- and post-surveys measuring self-efficacy and records of the number of days surface data were entered. Descriptive statistics, paired-samples t-tests, and effect size analyses were used. Results showed a statistically significant increase in self-efficacy (p < .001) with large effect sizes, indicating meaningful gains in confidence and comfortability. Reporting consistency did not show a statistically significant change (p = .885).
Overall, experiential education …
Understanding Knowledge And Perceptions Of The Beef Industry On A Land-Grant University Campus, Allison E. Reaves
Understanding Knowledge And Perceptions Of The Beef Industry On A Land-Grant University Campus, Allison E. Reaves
Theses and Dissertations--Community & Leadership Development
A well-researched phenomenon in the agricultural industry is the effects of constant innovation coupled with an increasing divide between producer and consumer. This issue has been presented as especially prevalent within animal agriculture and the beef industry, a predominant concern considering Kentucky’s agricultural commodities. This study (n = 31) utilized a mixed-methods approach to understand the knowledge, perceptions, and behavior of beef consumers on a land-grant university campus. Methodologies included Python’s DeepFace emotion recognition, semi-structured interviews, and the JMALI agricultural literacy assessment. Findings revealed participants to be below expected agricultural literacy levels of high school graduates (M=11), with no …
Non-Invasive Detection Of Intracranial Pressure, Andrei V. Nesterenko
Non-Invasive Detection Of Intracranial Pressure, Andrei V. Nesterenko
Honors Undergraduate Theses
Intracranial pressure is a critical metric used when managing tumors, strokes, TBIs, hydrocephalus, and other operative conditions. Traditional methods for continuous ICP monitoring, intraparenchymal catheters, epidural transducers etc., are invasive and carry a high risk of infection. Previous attempts to create accurate, easy to use, and non-invasive ICP monitoring techniques have been unsuccessful. In this study, we investigated the utility of supraorbital and posterior auricular photoplethysmography to monitor changes in ICP during orthostatic tilt and hyperventilation, which increase and decrease ICP respectively.
Through a continuous 5-minute recording on a tilt-table we characterized SOA and PAA waveforms in 12 participants (ages …
Pharmacogenetic Hslco1b1*14-Guided Dosing Of Methotrexate In Transgenic Arthritic Mice Normalizes Exposure And Response., Felicia Gooden, Brennan D. Meier, Griffin D. Shaffer, Kim Gibson, Paul Toren, Nieko C. Punt, Sandhya Subash, Dilip K. Singh, Bhagwat Prasad, Laura Ramsey, Zachary L. Taylor
Pharmacogenetic Hslco1b1*14-Guided Dosing Of Methotrexate In Transgenic Arthritic Mice Normalizes Exposure And Response., Felicia Gooden, Brennan D. Meier, Griffin D. Shaffer, Kim Gibson, Paul Toren, Nieko C. Punt, Sandhya Subash, Dilip K. Singh, Bhagwat Prasad, Laura Ramsey, Zachary L. Taylor
Manuscripts, Articles, Book Chapters and Other Papers
Juvenile idiopathic arthritis (JIA) is a chronic autoimmune disease that negatively affects ~100,000 children under the age of 16 in the United States. About ~30% of these patients fail first-line drug therapy with low-dose methotrexate (MTX) due to poor tolerability or lack of efficacy. The SLCO1B1*14 allele is associated with increased MTX clearance and has been linked to reduced overall drug exposure and nonresponse to MTX in JIA patients. Herein, we describe transgenic hSLCO1B1*14 and hSLCO1B1*1 DBA1/J mSlco1b2 knock-out mice, which we used to assess arthritic response to MTX using the collagen-induced arthritis model. Mass spectrometry-based proteomics analysis revealed that …
Multisystem Predictors Of Dynamic Gait Stability Across Fall Risk In Older Adults, Ashwini Kulkarni, Neda Moghim, Ross Gore, Soumya Banerjee, Christopher K. Rhea, Brittany Samulski
Multisystem Predictors Of Dynamic Gait Stability Across Fall Risk In Older Adults, Ashwini Kulkarni, Neda Moghim, Ross Gore, Soumya Banerjee, Christopher K. Rhea, Brittany Samulski
Rehabilitation Sciences Faculty Publications
Gait stability arises from interactions between physiological, cognitive, and psychological systems, yet these domains are often assessed in isolation. This study examined multisystem predictors of anteroposterior margin of stability during walking (MoSAP) in community-dwelling older adults. Of 340 participants, 143 were retained after data quality screening (105 females; age: 70.8 ± 7.8 years). Participants completed the Physiological Profile Assessment (PPA), cognitive testing using Montreal Cognitive Assessment (MoCA), fear-of-falling evaluations using Modified Falls Efficacy Scale (MFES) and a biomechanical gait assessment during preferred and fast speeds. Participants were stratified into four PPA-based fall-risk groups: low, mild, moderate, and high risk. MoSAP …
Evaluation Of Mycoplasma Genitalium Positivity And Co-Infection With Chlamydia Trachomatis And/Or Neisseria Gonorrhoeae At Various Care Sites Across The United States, Rebecca Lillis, Rodney Arcenas, Christy M. Boraas, Steven E. Chavoustie, Lashonda Crane, Nicole D'Empaire, Aaron C. Ermel, Glenn Harnett, Federico Hinestrosa, Stacey House, Joseph Miller, Anthony Mills, Ronald Poblete, Stephen Young, Barbara Van Der Pol
Evaluation Of Mycoplasma Genitalium Positivity And Co-Infection With Chlamydia Trachomatis And/Or Neisseria Gonorrhoeae At Various Care Sites Across The United States, Rebecca Lillis, Rodney Arcenas, Christy M. Boraas, Steven E. Chavoustie, Lashonda Crane, Nicole D'Empaire, Aaron C. Ermel, Glenn Harnett, Federico Hinestrosa, Stacey House, Joseph Miller, Anthony Mills, Ronald Poblete, Stephen Young, Barbara Van Der Pol
School of Medicine Faculty Publications
OBJECTIVES: We evaluated Mycoplasma genitalium (MG) positivity and co-infection with Chlamydia trachomatis (CT) and/or Neisseria gonorrhoeae (NG), based on results from a trial assessing clinical performance of the Cobas® Liat CT/NG/MG point-of-care test. METHODS: A prospective, US, multicenter, noninterventional study assessed MG positivity in prospective urine samples (male) and clinician-collected vaginal swabs (female) from symptomatic/asymptomatic patients aged ≥14 years attending various clinical settings. Participants were designated positive or negative for MG, CT, and NG based on combined results from three US Food and Drug Administration-approved assays and one laboratory-developed test. MG co-infection with CT and/or NG was assessed. RESULTS: Among …
Severity And Duration-Dependent Aortic Stiffening In A Rabbit Coarctation Model Identifies Constitutive Material Parameters As Promising Regional Biomarkers For Hypertension Progression, Arash Ghorbannia, Jamasp Azarnoosh, John F. Ladisa Jr.
Severity And Duration-Dependent Aortic Stiffening In A Rabbit Coarctation Model Identifies Constitutive Material Parameters As Promising Regional Biomarkers For Hypertension Progression, Arash Ghorbannia, Jamasp Azarnoosh, John F. Ladisa Jr.
VMASC Publications
Coarctation of the aorta (CoA) alters hemodynamics and drives regional remodeling, yet the influence of severity and duration on constitutive properties is undefined. We quantified mechanical responses from CoA to identify constitutive parameters capturing stiffening across clinical severities and durations. Mild (≤ 12 mmHg), intermediate (13–20 mmHg), and severe (> 20 mmHg) CoA was created in rabbits for short, long, and prolonged durations (~ 1, 3, or 22 weeks, respectively). Stress–stretch curves from proximal and distal regions were fit with multiple constitutive models (Linear Elastic, Neo-Hookean, Yeoh, Ogden, Mooney–Rivlin, Holzapfel). Model performance was evaluated by normalized RMSE and R², with …
Synergistic Sensitization Of Pancreatic Cancer Cells By Nanosecond Pulsed Electric Fields And Cold Atmospheric Plasma Via Amplifying Ros And Apoptotic Signaling, Zobia Minhas, Edwin A. Oshin, Lifang Yang, Chunqi Jiang, Siqi Guo
Synergistic Sensitization Of Pancreatic Cancer Cells By Nanosecond Pulsed Electric Fields And Cold Atmospheric Plasma Via Amplifying Ros And Apoptotic Signaling, Zobia Minhas, Edwin A. Oshin, Lifang Yang, Chunqi Jiang, Siqi Guo
Bioelectrics Publications
Pancreatic cancer remains a highly lethal malignancy, with standard therapies offering limited benefits in advanced stages; thus, novel strategies that exploit specific cancer cell vulnerabilities are urgently needed. Building on our previous findings that nanosecond pulsed electric fields (nsPEF) combined with cold atmospheric plasma (CAP) produce enhanced cytotoxicity, this study investigates the molecular mechanisms underlying this synergy. Pan02 pancreatic cancer cells were subjected to nsPEF, CAP, or a combination of both. We assessed cell viability, reactive oxygen species (ROS) production, and mitochondrial integrity using metabolic assays, flow cytometry, and fluorescence microscopy. Apoptotic markers were evaluated via Western blotting and caspase …
Nanosecond Electric Pulses As A Novel In Situ Vaccination Strategy For Cancer Treatment: Mechanisms, Challenges And Prospects, Siqi Guo
Bioelectrics Publications
Nanosecond electric pulses (nsEPs) are an emerging pulsed-power technology with unique bioelectric characteristics distinct from conventional long-pulse electroporation. As a tunable physical modality, nsEPs can modulate intracellular structures, membrane dynamics, and signaling pathways. Increasing evidence supports nsEPs as a promising non-thermal tumor ablation approach due to their high spatial precision, preservation of critical tissue structures, and minimal adverse effects. One of the most significant discoveries associated with nsEP tumor ablation is the induction of potent systemic antitumor immunity, particularly in situ vaccination (ISV) effects and, in some cases, abscopal effects against distant untreated tumors. Substantial evidence demonstrates that nsEPs can …
Hsp90 Inhibitor, At13387 Mitigates Chronic Lung Injury In Pre-Pubertal Mice: A Therapeutic Axis In Bronchopulmonary Dysplasia, Pavel A. Solopov, Christiana Dimitropoulou, John D. Catravas, Ruben M. L. Colunga Biancatelli
Hsp90 Inhibitor, At13387 Mitigates Chronic Lung Injury In Pre-Pubertal Mice: A Therapeutic Axis In Bronchopulmonary Dysplasia, Pavel A. Solopov, Christiana Dimitropoulou, John D. Catravas, Ruben M. L. Colunga Biancatelli
Bioelectrics Publications
Exposure to hydrochloric acid (HCl) can provoke severe chronic pulmonary injury. Children are particularly vulnerable due to their smaller airways, higher respiratory rate, and stronger inflammatory response; yet no countermeasures exist for HCl-induced chronic lung injury in the pediatric population. We have previously demonstrated the involvement of HSP90 during HCl-induced lung injury in pre-pubertal (p24) mice, who develop stronger persistent inflammation with higher NLRP3 inflammasome activation, but less pulmonary fibrosis compared to adults. Here, we tested the hypothesis that post-treatment with the second-generation HSP90 inhibitor AT13387 (Onalespib), administered subcutaneously beginning 24 h after HCl instillation, would prevent HCl-induced chronic lung …
Arkansas Corn And Grain Sorghum Performance Tests 2025, J. F. Carlin, J. P. Kelley, T. N. Spurlock, T. D. Swanson, R. D. Bond, J. C. Mccoy, C. J. Bulloch
Arkansas Corn And Grain Sorghum Performance Tests 2025, J. F. Carlin, J. P. Kelley, T. N. Spurlock, T. D. Swanson, R. D. Bond, J. C. Mccoy, C. J. Bulloch
Arkansas Agricultural Experiment Station Research Series
Report Statement This Arkansas Agricultural Experiment Station (AAES) publication summarizes variety trial research conducted by the Arkansas Crop Variety Improvement Program. Variety trial information presented here furthers the AAES mission of conducting research that benefits the citizens of Arkansas by expanding agricultural profitability and strengthening local and state economies. This information is not a recommendation or an endorsement of any product by the University of Arkansas System Division of Agriculture or AAES. Recommendations interpreted from this information are made and presented by the Arkansas Cooperative Extension Service.
Corn and grain sorghum performance tests are conducted each year in Arkansas by …
Adolescent Binge-Like Feeding And Neuroinflammation: Effects Of Intermittent Palatable Diet Access On Microglial Activation In The Brain In Adolescents, Jaimie T. Yu
CMC Senior Theses
Binge eating disorder (BED), one of the most common eating disorders in the United States (Definition & Facts for Binge Eating Disorder - NIDDK, n.d.), is characterized by recurrent episodes of consuming large quantities of food in a short period of time accompanied by a sense of loss of control. The intermittent access (INT) model reliably produces binge-like eating in adult rodents, with animals showing episodic hyperphagia upon time-limited access to a high-fat, high-sugar (HFHS) diet. In adult female rats, INT access produces elevated meal size and reduced satiety ratio relative to controls (Maske et al., 2020), and promotes microglial …