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Articles 1 - 30 of 114
Full-Text Articles in Medicine and Health Sciences
Vamorolone, A Dissociative Steroidal Compound, Reduces Pro-Inflammatory Cytokine Expression In Glioma Cells And Increases Activity And Survival In A Murine Model Of Cortical Tumor., Elizabeth Wells, Madhuri Kambhampati, Jesse M Damsker, Heather Gordish-Dressman, Sridevi Yadavilli, Oren J Becher, Jamila Gittens, Mojca Stampar, Roger J. Packer, Javad Nazarian
Vamorolone, A Dissociative Steroidal Compound, Reduces Pro-Inflammatory Cytokine Expression In Glioma Cells And Increases Activity And Survival In A Murine Model Of Cortical Tumor., Elizabeth Wells, Madhuri Kambhampati, Jesse M Damsker, Heather Gordish-Dressman, Sridevi Yadavilli, Oren J Becher, Jamila Gittens, Mojca Stampar, Roger J. Packer, Javad Nazarian
Genomics and Precision Medicine Faculty Publications
Corticosteroids, such as dexamethasone, are routinely used as palliative care in neuro-oncology for their anti-inflammatory benefits, however many patients experience dose limiting side effects caused by glucocorticoid response element (GRE)-mediated transcription. The purpose of this study was to use a murine model to investigate a new steroid alternative, vamorolone, which promises to reduce side effects through dissociating GRE-mediated transcription and NF-κB -mediated anti-inflammatory actions. To compare vamorolone to dexamethasone in reducing pro-inflammatory signals in vitro, murine glioma cells were treated with dexamethasone, vamorolone or vehicle control. Changes in mRNA expression were assessed using the nanostring inflammatory platform. Furthermore, drug …
Comparative Genomic Analysis Of Two Serotype 1/2b Listeria Monocytogenes Isolates From Analogous Environmental Niches Demonstrates The Influence Of Hypervariable Hotspots In Defining Pathogenesis, Aidan Casey, Kieran Jordan, Aidan Coffey, Edward M. Fox, Olivia Mcauliffe
Comparative Genomic Analysis Of Two Serotype 1/2b Listeria Monocytogenes Isolates From Analogous Environmental Niches Demonstrates The Influence Of Hypervariable Hotspots In Defining Pathogenesis, Aidan Casey, Kieran Jordan, Aidan Coffey, Edward M. Fox, Olivia Mcauliffe
Department of Biological Sciences Publications
The vast majority of clinical human listeriosis cases are caused by serotype 1/2a, 1/2b, 1/2c, and 4b isolates of Listeria monocytogenes. The ability of L. monocytogenes to establish a systemic listeriosis infection within a host organism relies on a combination of genes that are involved in cell recognition, internalization, evasion of host defenses, and in vitro survival and growth. Recently, whole genome sequencing and comparative genomic analysis have proven to be powerful tools for the identification of these virulence-associated genes in L. monocytogenes. In this study, two serotype 1/2b strains of L. monocytogenes with analogous isolation sources, but …
Effect Of Arginine On Oligomerization And Stability Of N-Acetylglutamate Synthase., N Haskins, A Mumo, P H Brown, Mendel Tuchman, Hiroki Morizono, L Caldovic
Effect Of Arginine On Oligomerization And Stability Of N-Acetylglutamate Synthase., N Haskins, A Mumo, P H Brown, Mendel Tuchman, Hiroki Morizono, L Caldovic
Genomics and Precision Medicine Faculty Publications
N-acetylglutamate synthase (NAGS; E.C.2.3.1.1) catalyzes the formation of N-acetylglutamate (NAG) from acetyl coenzyme A and glutamate. In microorganisms and plants, NAG is the first intermediate of the L-arginine biosynthesis; in animals, NAG is an allosteric activator of carbamylphosphate synthetase I and III. In some bacteria bifunctional N-acetylglutamate synthase-kinase (NAGS-K) catalyzes the first two steps of L-arginine biosynthesis. L-arginine inhibits NAGS in bacteria, fungi, and plants and activates NAGS in mammals. L-arginine increased thermal stability of the NAGS-K from Maricaulis maris (MmNAGS-K) while it destabilized the NAGS-K from Xanthomonas campestris (XcNAGS-K). Analytical gel chromatography and ultracentrifugation indicated tetrameric structure of the …
Efficient Method For Transfer Of Microinjected Eggs To Mouse Ampulla For Generating Transgenic Mice, Guang Wen, Jin Di, Qian Li, Jianling Chen, Ling Jin, Cheng Wang, Sanqing Xu
Efficient Method For Transfer Of Microinjected Eggs To Mouse Ampulla For Generating Transgenic Mice, Guang Wen, Jin Di, Qian Li, Jianling Chen, Ling Jin, Cheng Wang, Sanqing Xu
Publications and Research
Background: The new method described here is highly efficient in transferring microinjected mouse eggs (MEs) through the bursa membrane of a surrogate mother mouse to the ampulla of the oviduct without damaging the blood vessels on the bursa membrane.
Results: This method causes no loss of blood, and it produces newborn pups/founders from approximately 70% of the transferred MEs, because only a small hole is made on the blood vessel–free area of the bursa membrane and ampulla of the surrogate mother mouse. The infundibulum remains intact. The small hole on the bursa membrane/ ampulla may already heal up before the …
Graduate Studies Newsletter, Graduate Studies Office
Graduate Studies Newsletter, Graduate Studies Office
Newsletters
THIS ISSUE
Welcome P.1
Spotlight on Dr. Chris Aberson P .2
Digital Commons @ HSU P.3
Upcoming Events & Resources P.4
Student Success Stories P.5,6
A Microbiomic Approach To The Characterization Of The Impacts And Influences Of Viral, Bacterial, And Harmful Algal Bloom Toxins On The Bottlenose Dolphin, Corey David Russo
A Microbiomic Approach To The Characterization Of The Impacts And Influences Of Viral, Bacterial, And Harmful Algal Bloom Toxins On The Bottlenose Dolphin, Corey David Russo
Dissertations
As apex predators that display high site fidelity Tursiops truncatus (bottlenose dolphin) are indicators of marine ecosystem health. Bottlenose dolphins, additionally, display pathogenesis and immune response similar to that of humans. Humans and coastal bottlenose dolphins, in particular, are constantly exposed to the same industrial, agricultural and domestic toxins and pathogens, contaminants and pollutants. Thus, studies on the bottlenose dolphin are also valuable in bridging the gap between ocean and human health. Bottlenose dolphins are susceptible to viral bacterial and toxin infection. Infection in the bottlenose dolphin manifests itself in the form of mass stranding events, unusual mortality events, chronic …
Differential Cbct Analysis Of Collum Angles In Maxillary And Mandibular Anterior Teeth In Patients With Different Malocclusions, Erin Shane Wan Ma
Differential Cbct Analysis Of Collum Angles In Maxillary And Mandibular Anterior Teeth In Patients With Different Malocclusions, Erin Shane Wan Ma
UNLV Theses, Dissertations, Professional Papers, and Capstones
Background: The collum angle is an angular measurement of the difference between the longitudinal axis of the crown and the longitudinal axis of the root. The aim of this study was to determine the mean collum angles for all maxillary and mandibular anterior teeth. In addition, the collum angles of different molar and skeletal classifications were compared for each anterior tooth.
Methods: Based on patient records obtained from the University of Nevada, Las Vegas Department of Orthodontics and Dentofacial Orthopedics, 326 CBCT scans were selected and divided into four molar and skeletal classifications. The patients were divided into Class I, …
Microenvironment-Induced Pten Loss By Exosomal Microrna Primes Brain Metastasis Outgrowth, Lin Zhang
Microenvironment-Induced Pten Loss By Exosomal Microrna Primes Brain Metastasis Outgrowth, Lin Zhang
Dissertations & Theses (Open Access)
Development of life-threatening cancer metastases at distant organs requires disseminated tumor cells’ adaptation to and co-evolution with the drastically different microenvironments of metastatic sites. Cancer cells of common origin manifest distinct gene expression patterns after metastasizing to different organs. Clearly, the dynamic interplay between metastatic tumor cells and extrinsic signals at individual metastatic organ sites critically impacts the subsequent metastatic outgrowth. Yet, it is unclear when and how disseminated tumor cells acquire the essential traits from the microenvironment of metastatic organs that prime their subsequent outgrowth. Here we show that primary tumor cells with normal expression of PTEN, an important …
Surviving Catastrophe: Resource Allocation And Plant Interactions Among The Mosses Of Mount St. Helens Volcano, Trevor David Williams
Surviving Catastrophe: Resource Allocation And Plant Interactions Among The Mosses Of Mount St. Helens Volcano, Trevor David Williams
Dissertations and Theses
Mosses are some of the first colonizers to disturbed sites, yet their roles in early plant community structuring are not well understood. The primary succession zones of volcanoes provide opportunities to conduct natural experiments into how mosses contribute to early plant community formation, as well as how the unique environments found in such zones affect plant traits, particularly those associated with stress tolerance. Though plant community changes have been well-documented since Mount St. Helens (MSH) volcano erupted in 1980, the volcano's moss assemblages, their influence on other plants, and their potential roles in chemical-mediated competition and biogeochemical cycling have garnered …
Hiv Glycoprotein Gp120 Impairs Fast Axonal Transport By Activating Tak1 Signaling Pathways, Sarah H. Berth, Nichole Mesnard-Hoaglin, Bin Wang, Hajwa Kim, Yuyu Song, Maria Sapar, Gerardo Morfini, Scott T. Brady
Hiv Glycoprotein Gp120 Impairs Fast Axonal Transport By Activating Tak1 Signaling Pathways, Sarah H. Berth, Nichole Mesnard-Hoaglin, Bin Wang, Hajwa Kim, Yuyu Song, Maria Sapar, Gerardo Morfini, Scott T. Brady
Publications and Research
Sensory neuropathies are the most common neurological complication of HIV. Of these, distal sensory polyneuropathy (DSP) is directly caused by HIV infection and characterized by length-dependent axonal degeneration of dorsal root ganglion (DRG) neurons. Mechanisms for axonal degeneration in DSP remain unclear, but recent experiments revealed that the HIV glycoprotein gp120 is internalized and localized within axons of DRG neurons. Based on these findings, we investigated whether intra-axonal gp120 might impair fast axonal transport (FAT), a cellular process critical for appropriate maintenance of the axonal compartment. Significantly, we found that gp120 severely impaired both anterograde and retrograde FAT. Providing a …
Otopathogenic Pseudomonas Aeruginosa Enters And Survives Inside Macrophages, Rahul Mittal, Christopher V. Lisi, Hansi Kumari, M'Hamed Grati, Patricia Blackwelder, Denise Yan, Chaitanya Jain, Kalai Mathee, Paulo H. Weckwerth, Xue Z. Liu
Otopathogenic Pseudomonas Aeruginosa Enters And Survives Inside Macrophages, Rahul Mittal, Christopher V. Lisi, Hansi Kumari, M'Hamed Grati, Patricia Blackwelder, Denise Yan, Chaitanya Jain, Kalai Mathee, Paulo H. Weckwerth, Xue Z. Liu
Biomolecular Sciences Institute: Faculty Publications
Otitis media (OM) is a broad term describing a group of infectious and inflammatory disorders of the middle ear. Despite antibiotic therapy, acute OM can progress to chronic suppurative otitis media (CSOM) characterized by ear drum perforation and purulent discharge. Pseudomonas aeruginosa is the most common pathogen associated with CSOM. Although, macrophages play an important role in innate immune responses but their role in the pathogenesis of P. aeruginosa-induced CSOM is not known. The objective of this study is to examine the interaction of P. aeruginosa with primary macrophages. We observed that P. aeruginosa enters and multiplies inside human …
Gene Expression Profiling And The Role Of Hsf1 In Ovarian Cancer In 3d Spheroid Models, Trillitye Paullin
Gene Expression Profiling And The Role Of Hsf1 In Ovarian Cancer In 3d Spheroid Models, Trillitye Paullin
USF Tampa Graduate Theses and Dissertations
Ovarian cancer is the most lethal gynecological cancer, with over 200,000 women diagnosed each year and over half of those cases leading to death. These poor statistics are related to a lack of early symptoms and inadequate screening techniques. This results in the cancer going undetected until later stages when the tumor has metastasized through a process that requires the epithelial to mesenchymal transition (EMT). In lieu of traditional monolayer cell culture, EMT and cancer progression in general is best characterized through the use of 3D spheroid models. In this study, we examine gene expression changes through microarray analysis in …
The Scripps Research Institute Summer Undergraduate Research Fellowship, Ezana Assefa
The Scripps Research Institute Summer Undergraduate Research Fellowship, Ezana Assefa
Trick to the Treat of Internships and Research
This program is a 10-week internship designed for undergraduates interested in the scientific field to engage in current research. Students have the option of requesting to work under three mentors, one of which they will be paired. Students will work in the lab with the principal investigator and other members of the lab. Along with working in the lab, students in the program will also attend bi-weekly talks/lectures from researchers, grad students, and professionals at TSRI as well as participating in two presentations and a final poster or oral presentation.
Zombies, Predatory Wasps And Consciousness, James K. Peterson
Zombies, Predatory Wasps And Consciousness, James K. Peterson
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Mathematical Modeling Of Vaccine Noncompliance, Jordan A. Bauer
Mathematical Modeling Of Vaccine Noncompliance, Jordan A. Bauer
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Understanding Adipocyte Dynamics Through Mathematical Modeling, Katrina Johnson, Fred Adler
Understanding Adipocyte Dynamics Through Mathematical Modeling, Katrina Johnson, Fred Adler
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Electro-Chemotactic Fields Induce Cooperative Movement Of Cns Cells, Shawn Mishra, Stephen Redenti, Maribel Vazquez
Electro-Chemotactic Fields Induce Cooperative Movement Of Cns Cells, Shawn Mishra, Stephen Redenti, Maribel Vazquez
Publications and Research
Vision loss in adults with Age Related Macular Degeneration (AMD) is attributed to damage of retinal photoreceptor cells that initiate vision by absorbing light. Mouse models have suggested that transplantation of precursor cells may be a novel approach to restore vision. This project uses a combination of electrotactic and chemotactic stimuli to promote and guide CNS cell migration within a microdevice model.
Rna-Seq Of Borrelia Burgdorferi In Multiple Phases Of Growth Reveals Insights Into The Dynamics Of Gene Expression, Transcriptome Architecture, And Noncoding Rnas, William K. Arnold, Christina R. Savage, Catherine A. Brissette, Janakiram Seshu, Jonathan Livny, Brian Stevenson
Rna-Seq Of Borrelia Burgdorferi In Multiple Phases Of Growth Reveals Insights Into The Dynamics Of Gene Expression, Transcriptome Architecture, And Noncoding Rnas, William K. Arnold, Christina R. Savage, Catherine A. Brissette, Janakiram Seshu, Jonathan Livny, Brian Stevenson
Microbiology, Immunology, and Molecular Genetics Faculty Publications
Borrelia burgdorferi, the agent of Lyme disease, differentially expresses numerous genes and proteins as it cycles between mammalian hosts and tick vectors. Insights on regulatory mechanisms have been provided by earlier studies that examined B. burgdorferi gene expression patterns during cultivation. However, prior studies examined bacteria at only a single time point of cultivation, providing only a snapshot of what is likely a dynamic transcriptional program driving B. burgdorferi adaptations to changes during culture growth phases. To address that concern, we performed RNA sequencing (RNA-Seq) analysis of B. burgdorferi cultures at early-exponential, mid-exponential, and early-stationary phases …
Talin2-Mediated Traction Force Drives Matrix Degradation And Cell Invasion, Lei Qi, Naser Jafari, Xiang Li, Zaozao Chen, Liqing Li, Vesa P. Hytönen, Benjamin T. Goult, Chang-Guo Zhan, Cai Huang
Talin2-Mediated Traction Force Drives Matrix Degradation And Cell Invasion, Lei Qi, Naser Jafari, Xiang Li, Zaozao Chen, Liqing Li, Vesa P. Hytönen, Benjamin T. Goult, Chang-Guo Zhan, Cai Huang
Markey Cancer Center Faculty Publications
Talin binds to β-integrin tails to activate integrins, regulating cell migration, invasion and metastasis. There are two talin genes, TLN1 and TLN2, encoding talin1 and talin2, respectively. Talin1 regulates focal adhesion dynamics, cell migration and invasion, whereas the biological function of talin2 is not clear and, indeed, talin2 has been presumed to function redundantly with talin1. Here, we show that talin2 has a much stronger binding to β-integrin tails than talin1. Replacement of talin2 Ser339 with Cys significantly decreased its binding to β1-integrin tails to a level comparable to that of talin1. Talin2 localizes at invadopodia and is indispensable …
Danger Signals, Inflammasomes, And The Intricate Intracellular Lives Of Chlamydiae, M. A. Pettengill, A. A. Sater, R. Coutinho-Silva, David M. Ojcius
Danger Signals, Inflammasomes, And The Intricate Intracellular Lives Of Chlamydiae, M. A. Pettengill, A. A. Sater, R. Coutinho-Silva, David M. Ojcius
All Dugoni School of Dentistry Faculty Articles
Chlamydiae are obligate intracellular bacterial pathogens, and as such are sensitive to alterations in the cellular physiology of their hosts. Chlamydial infections often cause pathologic consequences due to prolonged localized inflammation. Considerable advances have been made in the last few years regarding our understanding of how two key inflammation-associated signaling pathways influence the biology of
Design Of Drug Nano-Carriers For Study Of Multidrug Resistance In Single Live Cells, Pavan Kumar Cherukuri
Design Of Drug Nano-Carriers For Study Of Multidrug Resistance In Single Live Cells, Pavan Kumar Cherukuri
Chemistry & Biochemistry Theses & Dissertations
Multidrug resistance (MDR) exists in both prokaryotic and eukaryotic cells. MDR is responsible for ineffective treatment of a wide range of diseases, such as infections and cancer. The ATP-binding cassette (ABC) membrane transporters (efflux pumps) are one of the largest and most diverse super-families of membrane proteins found in all living organisms, ranging from bacteria to humans. All ABC transporters share a common structure of four core domains; two transmembrane domains (TMD) with variable sequence and topology and two nucleotide-binding domains (NBD) with conserved sequences. Conventional methods for the study of the efflux functions are radioactively labeled substrates and fluorescent …
Alteration Of The Ping And Pong Orf1 Proteins Allows For Hyperactive Transposition Of Mping, Lisette Payero, Giselle Outten, Courtney Burckhalter, C. Nathan Hancock
Alteration Of The Ping And Pong Orf1 Proteins Allows For Hyperactive Transposition Of Mping, Lisette Payero, Giselle Outten, Courtney Burckhalter, C. Nathan Hancock
Journal of the South Carolina Academy of Science
No abstract provided.
Lack Of Interaction Between Erbb2 And Insulin Receptor Substrate Signaling In Breast Cancer, Sarah M. Farabaugh, Bonita T. Chan, Xiaojiang Cui, Robert Dearth, Adrian V. Lee
Lack Of Interaction Between Erbb2 And Insulin Receptor Substrate Signaling In Breast Cancer, Sarah M. Farabaugh, Bonita T. Chan, Xiaojiang Cui, Robert Dearth, Adrian V. Lee
Biology Faculty Publications and Presentations
Background: ErbB2 Receptor Tyrosine Kinase 2 (ErbB2, HER2/Neu) is amplified in breast cancer and associated with poor prognosis. Growing evidence suggests interplay between ErbB2 and insulin-like growth factor (IGF) signaling. For example, ErbB2 inhibitors can block IGF-induced signaling while, conversely, IGF1R inhibitors can inhibit ErbB2 action. ErbB receptors can bind and phosphorylate insulin receptor substrates (IRS) and this may be critical for ErbBmediated anti-estrogen resistance in breast cancer. Herein, we examined crosstalk between ErbB2 and IRSs using cancer cell lines and transgenic mouse models.
Methods: MMTV-ErbB2 and MMTV-IRS2 transgenic mice were crossed to create hemizygous MMTV-ErbB2/MMTVIRS2 bigenic mice. Signaling crosstalk …
Weighted-Samgsr: Combining Significance Analysis Of Microarray-Gene Set Reduction Algorithm With Pathway Topology-Based Weights To Select Relevant Genes, Suyan Tian, Howard H. Chang, Chi Wang
Weighted-Samgsr: Combining Significance Analysis Of Microarray-Gene Set Reduction Algorithm With Pathway Topology-Based Weights To Select Relevant Genes, Suyan Tian, Howard H. Chang, Chi Wang
Biostatistics Faculty Publications
Background: It has been demonstrated that a pathway-based feature selection method that incorporates biological information within pathways during the process of feature selection usually outperforms a gene-based feature selection algorithm in terms of predictive accuracy and stability. Significance analysis of microarray-gene set reduction algorithm (SAMGSR), an extension to a gene set analysis method with further reduction of the selected pathways to their respective core subsets, can be regarded as a pathway-based feature selection method.
Methods: In SAMGSR, whether a gene is selected is mainly determined by its expression difference between the phenotypes, and partially by the number of pathways to …
Complete Genome Sequence Of Spiroplasma Turonicum Tab4ct, A Bacterium Isolated From Horse Flies (Haematopota Sp.), Wen-Sui Lo, Gail E. Gasparich, Chih-Horng Kuo
Complete Genome Sequence Of Spiroplasma Turonicum Tab4ct, A Bacterium Isolated From Horse Flies (Haematopota Sp.), Wen-Sui Lo, Gail E. Gasparich, Chih-Horng Kuo
Gail Gasparich
Insights Into The Molecular Roles Of Heparan Sulfate Proteoglycans (Hspgs-Syndecans) In Autocrine And Paracrine Growth Factor Signaling In The Pathogenesis Of Hodgkin's Lymphoma, Rajendra Ghardbaran
Insights Into The Molecular Roles Of Heparan Sulfate Proteoglycans (Hspgs-Syndecans) In Autocrine And Paracrine Growth Factor Signaling In The Pathogenesis Of Hodgkin's Lymphoma, Rajendra Ghardbaran
Publications and Research
Syndecans (SDC, SYND) comprise a group of four structurally related type 1 transmembrane heparan sulfate proteoglycans (HSPGs) that play important roles in tumorigenic processes. SDCs exert signaling via their protein cores and their conserved transmembrane and cytoplasmic domains or by forming complexes with growth factors (GFs). In classical Hodgkin's lymphoma (cHL), a lymphoid neoplasm of predominantly B cell origin, SDC1 and SDC4 are the active SDCs, and a number of GF (vascular endothelial growth factor, fibroblast growth factor, etc.) signaling pathways have been studied. However, despite extensive pre-clinical and clinical research on SDC-mediated GF signaling in many cancer types, there …
Identification Of Pathway-Specific Serum Biomarkers Of Response To Glucocorticoid And Infliximab Treatment In Children With Inflammatory Bowel Disease, Christopher R. Heier, Alyson A. Fiorillo, Ellen Chaisson, Heather A. Gordish-Dressman, Yetrib Hathout, Jesse M. Damsker, Eric P. Hoffman, Laurie S. Conklin
Identification Of Pathway-Specific Serum Biomarkers Of Response To Glucocorticoid And Infliximab Treatment In Children With Inflammatory Bowel Disease, Christopher R. Heier, Alyson A. Fiorillo, Ellen Chaisson, Heather A. Gordish-Dressman, Yetrib Hathout, Jesse M. Damsker, Eric P. Hoffman, Laurie S. Conklin
Genomics and Precision Medicine Faculty Publications
Objective:
Serum biomarkers may serve to predict early response to therapy, identify relapse, and facilitate drug development in inflammatory bowel disease (IBD). Biomarkers are particularly important in children, in whom achieving early remission and minimizing procedures are especially beneficial.
Methods:
We profiled protein and micro RNA (miRNA) in serum from patients pre- and post-therapy, to identify molecular markers of pharmacodynamic effect. Serum was obtained from children with IBD before and after treatment with either corticosteroids (prednisone; n=12) or anti-tumor necrosis factor-α biologic (infliximab; n=7). Over 1,100 serum proteins were assayed using aptamer-based SOMAscan proteomics, and 22 miRNAs analyzed …
Exercise To The Rescue: An Analysis Of Altered Metabolic Gene Regulation Post-Exercise In Lean And Obese Individuals, Brandon Mudd
Exercise To The Rescue: An Analysis Of Altered Metabolic Gene Regulation Post-Exercise In Lean And Obese Individuals, Brandon Mudd
Mahurin Honors College Capstone Experience/Thesis Projects
The skeletal muscle of obese individuals exhibits a depressed ability to metabolize fats. Exercise training is thought to rescue this dampened ability to metabolize fats; mediated by a coordinated increase in the expression of a network of genes that regulate metabolism and fuel utilization. The purpose of this study is to determine the exercise-induced regulation of metabolically important genes in lean and obese individuals. Muscle biopsies (one pre-exercise/baseline and one immediately post-exercise) were obtained from 4 lean (BF% 24.4 ± 5.5; 23.5 yrs ± 1.9) and 13 obese (BF% 39.7 ± 2.4; 26.1 yrs ± 2.3), age-matched, relatively young subjects, …
The Role Of Osteocyte Estrogen Receptor Beta (Erβ) In Regulating The Skeletal Response To Mechanical Loading, Julia P. Townsend, Russell P. Main
The Role Of Osteocyte Estrogen Receptor Beta (Erβ) In Regulating The Skeletal Response To Mechanical Loading, Julia P. Townsend, Russell P. Main
The Summer Undergraduate Research Fellowship (SURF) Symposium
Estrogen’s biological functions are mediated by estrogen binding to estrogen receptors (ER). Understanding what role both ERα and ERβ have in bone maintenance and formation can contribute to possible treatment of osteoporosis. This study examined osteocyte specific deletion of ERβ in mice. The cross of ERβ-floxed mice with DMP1-8kb-Cre mice provided both experimental knockout mice as well as littermate control mice. At 24 weeks of age the left tibiae of all mice were mechanically loaded five days per week for two weeks to induce bone formation. Analysis of cortical bone was conducted using microcomputed tomography (microCT) to measure load-induced changes …
Optimization Of A Genomic Editing System Using Crispr/Cas9-Induced Site-Specific Gene Integration, Jillian L. Mccool Ms., Nick Hum, Gabriela G. Loots
Optimization Of A Genomic Editing System Using Crispr/Cas9-Induced Site-Specific Gene Integration, Jillian L. Mccool Ms., Nick Hum, Gabriela G. Loots
STAR Program Research Presentations
The CRISPR-Cas system is an adaptive immune system found in bacteria which helps protect against the invasion of other microorganisms. This system induces double stranded breaks at precise genomic loci (1) in which repairs are initiated and insertions of a target are completed in the process. This mechanism can be used in eukaryotic cells in combination with sgRNAs (1) as a tool for genome editing. By using this CRISPR-Cas system, in addition to the “safe harbor locus,” ROSAβ26, the incorporation of a target gene into a site that is not susceptible to gene silencing effects can be achieved through few …