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Articles 691 - 720 of 2943
Full-Text Articles in Cell and Developmental Biology
Host-Level Susceptibility And Irf1 Expression Influence The Ability Of Ifn-Γ To Inhibit Kshv Infection In B Lymphocytes, Nedaa Alomari, Jennifer Totonchy
Host-Level Susceptibility And Irf1 Expression Influence The Ability Of Ifn-Γ To Inhibit Kshv Infection In B Lymphocytes, Nedaa Alomari, Jennifer Totonchy
Pharmacy Faculty Articles and Research
Kaposi’s sarcoma-associated herpesvirus (KSHV) is associated with vascular endothelial cell tumor, Kaposi’s sarcoma (KS) and lymphoproliferative disorder, multicentric Castleman’s disease (MCD), primary effusion lymphoma (PEL) and KSHV inflammatory cytokine syndrome (KICS). Dysregulation of proinflammatory cytokines is found in most KSHV associated diseases. However, little is known about the role of host microenvironment in the regulation of KSHV establishment in B cells. In the present study, we demonstrated that IFN-γ has a strong inhibitory effect on KSHV infection but only in a subset of tonsil-derived lymphocyte samples that are intrinsically more susceptible to infection, contain higher proportions of naïve B cells, …
Chemical Relaxers And Hair-Straightening Products: Potential Targets For Hormone-Related Cancer Prevention And Control, Adana A. M. Llanos, Jasmine A. Mcdonald, Dede K. Teteh, Traci N. Bethea
Chemical Relaxers And Hair-Straightening Products: Potential Targets For Hormone-Related Cancer Prevention And Control, Adana A. M. Llanos, Jasmine A. Mcdonald, Dede K. Teteh, Traci N. Bethea
Health Sciences and Kinesiology Faculty Articles
"Emerging data show that use of permanent hair dyes, chemical relaxers, and straightening products might contribute to increased risk of hormone-related cancers (1-5) and potentially breast tumors with features indicative of more aggressive phenotypes (6). Given the wide use of these products globally, they are an important source of exposure to potentially harmful chemicals, including endocrine-disrupting chemicals—to which we are ubiquitously exposed (7)—and mutagenic and/or genotoxic compounds. The unequal burden of exposure across populations plausibly contributes to cancer inequities as the groups with the greatest exposure also experience poorer cancer outcomes (8). …
Proteômica Plasmática Quantitativa De Pacientes Sobreviventes E Não Sobreviventes De Covid-19 Internados No Hospital Revela Potenciais Biomarcadores Prognósticos E Alvos Terapêuticos, D C. Flora, A D. Valle, H Abs Pereira, T F. Garbieri, L. T. Grizzo, T J. Dionisio, A L. Leite, D Mc Rosa, C F. Santos, M Ar Buzalaf
Proteômica Plasmática Quantitativa De Pacientes Sobreviventes E Não Sobreviventes De Covid-19 Internados No Hospital Revela Potenciais Biomarcadores Prognósticos E Alvos Terapêuticos, D C. Flora, A D. Valle, H Abs Pereira, T F. Garbieri, L. T. Grizzo, T J. Dionisio, A L. Leite, D Mc Rosa, C F. Santos, M Ar Buzalaf
Nebraska Center for Virology: Faculty Publications
O desenvolvimento de novas abordagens que permitam a avaliação precoce de quais casos de COVID-19 provavelmente se tornarão críticos e a descoberta de novos alvos terapêuticos são importantes. Neste estudo de coorte, foi avaliado o perfil proteômico e laboratorial do plasma de 163 pacientes internados no Hospital Estadual de Bauru (Bauru, SP, Brasil) entre 4 de maio e 4 de julho de 2020, que foram diagnosticados com COVID-19 por RT-PCR a partir de amostras de swab nasofaríngeo amostras. Amostras de plasma foram coletadas na admissão para análises laboratoriais de rotina e análise proteôomica quantitativa shotgun livre de marcadores. De acordo …
Full Issue, Winthrop Mcnair Research Bulletin
Full Issue, Winthrop Mcnair Research Bulletin
The Winthrop McNair Research Bulletin
Winthrop McNair Research Bulletin Volume 5, Full Issue
Locating Mutagen-Sensitivity Gene Mus109 In The Drosophila Melanogaster Genome Using Deficiency Mapping, Chandani Mitchell
Locating Mutagen-Sensitivity Gene Mus109 In The Drosophila Melanogaster Genome Using Deficiency Mapping, Chandani Mitchell
The Winthrop McNair Research Bulletin
The complex processes involved in repairing damaged DNA are still being elucidated. Some genes that are known to have roles in the DNA repair process have been identified, such as the mutagen-sensitivity genes, or mus genes, in Drosophila melanogaster. However, the precise genomic location of some mus genes is still unknown, including mus109. It is known that mutations in mus109 cause chromosomal aberrations resulting in larval death, and previous research has mapped mus109 to a region of the X chromosome consisting of over 520,000 nucleotides and 41 genes. Therefore, this study aimed to locate mus109 using deficiency mapping. The mus109D2 …
Activity Of The Lactate Dehydrogenase Inhibitor Oxamic Acid Against The Fermentative Bacterium Streptococcus Mitis/Oralis: Bactericidal Effects And Prevention Of Daptomycin Resistance In Vitro And In An Ex Vivo Model, Razieh Kebriaei, Arnold S. Bayer, Christian K. Lapitan, Michael J. Rybak, Greg A. Somerville, Nagendra N. Mishra
Activity Of The Lactate Dehydrogenase Inhibitor Oxamic Acid Against The Fermentative Bacterium Streptococcus Mitis/Oralis: Bactericidal Effects And Prevention Of Daptomycin Resistance In Vitro And In An Ex Vivo Model, Razieh Kebriaei, Arnold S. Bayer, Christian K. Lapitan, Michael J. Rybak, Greg A. Somerville, Nagendra N. Mishra
School of Veterinary and Biomedical Sciences: Faculty Publications
Streptococcus mitis/oralis is a fermentative bacterium that relies on lactate dehydrogenase to balance its redox poise and keep glycolysis active. Metabolomic analysis of an in vitro– derived daptomycin-resistant (DAP-R) S. mitis/oralis strain (351-D10) revealed differences in glucose catabolism relative to its DAP-susceptible (DAP-S) parental strain, 351. Metabolic changes associated with the transition to this DAP-R phenotype suggested that inhibiting glycolysis could alter DAP susceptibility. In addition, the strong reliance of S. mitis/oralis on glycolysis for energy and biosynthetic intermediates suggested that inhibiting glycolysis would adversely affect growth and biomass accumulation. To test these hypotheses, we used the lactate dehydrogenase inhibitor …
Glutathione And Glutaredoxin In Redox Regulation And Cell Signaling Of The Lens, Marjorie F. Lou
Glutathione And Glutaredoxin In Redox Regulation And Cell Signaling Of The Lens, Marjorie F. Lou
School of Veterinary and Biomedical Sciences: Faculty Publications
The ocular lens has a very high content of the antioxidant glutathione (GSH) and the enzymes that can recycle its oxidized form, glutathione disulfide (GSSG), for further use. It can be synthesized in the lens and, in part, transported from the neighboring anterior aqueous humor and posterior vitreous body. GSH is known to protect the thiols of the structural lens crystallin proteins from oxidation by reactive oxygen species (ROS) so the lens can maintain its transparency for proper visual function. Age-related lens opacity or senile cataract is the major visual impairment in the general population, and its cause is closely …
Recent Emergence Of Bovine Coronavirus Variants With Mutations In The Hemagglutinin-Esterase Receptor Binding Domain In U.S. Cattle, Aspen M. Workman, Tara G. Mcdaneld, Gregory P. Harhay, Subha Das, John Dustin Loy, Benjamin M. Hause
Recent Emergence Of Bovine Coronavirus Variants With Mutations In The Hemagglutinin-Esterase Receptor Binding Domain In U.S. Cattle, Aspen M. Workman, Tara G. Mcdaneld, Gregory P. Harhay, Subha Das, John Dustin Loy, Benjamin M. Hause
School of Veterinary and Biomedical Sciences: Faculty Publications
Bovine coronavirus (BCoV) has spilled over to many species, including humans, where the host range variant coronavirus OC43 is endemic. The balance of the opposing activities of the surface spike (S) and hemagglutinin-esterase (HE) glycoproteins controls BCoV avidity, which is critical for interspecies transmission and host adaptation. Here, 78 genomes were sequenced directly from clinical samples collected between 2013 and 2022 from cattle in 12 states, primarily in the Midwestern U.S. Relatively little genetic diversity was observed, with genomes having >98% nucleotide identity. Eleven isolates collected between 2020 and 2022 from four states (Nebraska, Colorado, California, and Wisconsin) contained a …
Recent Emergence Of Bovine Coronavirus Variants With Mutations In The Hemagglutinin-Esterase Receptor Binding Domain In U.S. Cattle, Aspen M. Workman, Tara G. Mcdaneld, Gregory P. Harhay, Subha Das, John Dustin Loy, Benjamin M. Hause
Recent Emergence Of Bovine Coronavirus Variants With Mutations In The Hemagglutinin-Esterase Receptor Binding Domain In U.S. Cattle, Aspen M. Workman, Tara G. Mcdaneld, Gregory P. Harhay, Subha Das, John Dustin Loy, Benjamin M. Hause
School of Veterinary and Biomedical Sciences: Faculty Publications
Bovine coronavirus (BCoV) has spilled over to many species, including humans, where the host range variant coronavirus OC43 is endemic. The balance of the opposing activities of the surface spike (S) and hemagglutinin-esterase (HE) glycoproteins controls BCoV avidity, which is critical for interspecies transmission and host adaptation. Here, 78 genomes were sequenced directly from clinical samples collected between 2013 and 2022 from cattle in 12 states, primarily in the Midwestern U.S. Relatively little genetic diversity was observed, with genomes having >98% nucleotide identity. Eleven isolates collected between 2020 and 2022 from four states (Nebraska, Colorado, California, and Wisconsin) contained a …
Planning System For The Optimization Of Electric Field Delivery Using Implanted Electrodes For Brain Tumor Control, Erin Iredale, Brynn Voigt, Adam Rankin, Kyungho W Kim, Jeff Z Chen, Susanne Schmid, Matthew O Hebb, Terry M Peters, Eugene Wong
Planning System For The Optimization Of Electric Field Delivery Using Implanted Electrodes For Brain Tumor Control, Erin Iredale, Brynn Voigt, Adam Rankin, Kyungho W Kim, Jeff Z Chen, Susanne Schmid, Matthew O Hebb, Terry M Peters, Eugene Wong
Anatomy and Cell Biology Publications
BACKGROUND: The use of non-ionizing electric fields from low-intensity voltage sources (< 10 V) to control malignant tumor growth is showing increasing potential as a cancer treatment modality. A method of applying these low-intensity electric fields using multiple implanted electrodes within or adjacent to tumor volumes has been termed as intratumoral modulation therapy (IMT).
PURPOSE: This study explores advancements in the previously established IMT optimization algorithm, and the development of a custom treatment planning system for patient-specific IMT. The practicality of the treatment planning system is demonstrated by implementing the full optimization pipeline on a brain phantom with robotic electrode implantation, postoperative imaging, and treatment stimulation.
METHODS: The integrated planning pipeline in 3D Slicer begins with importing and segmenting patient magnetic resonance images (MRI) or computed tomography (CT) images. The segmentation process is manual, followed by a semi-automatic smoothing step that allows …
Ewing Sarcoma Transcriptome: Identification Of Foxn3 As A Novel Target Of Ews-Fli1, Natasha Kreiling
Ewing Sarcoma Transcriptome: Identification Of Foxn3 As A Novel Target Of Ews-Fli1, Natasha Kreiling
Theses & Dissertations
Ewing Sarcoma is an aggressive cancer characterized by a fusion gene formed from a chromosomal translocation between a RNA binding protein and a transcription factor. The most common fusion gene is EWS-FLI1 a potent oncogenic transcription factor responsible for initiating genome instability. EWS-FLI1 promotes tumor growth by dysregulating several genes and pathways. We have identified FOXN3, an important gene in cell cycle control and development, as being suppressed by EWS-FLI1. In the future, a better understanding of FOXN3 and its ability to act as a tumor suppressor in EWS will unravel novel mechanisms of EWS pathogenesis, potential biomarker and drug …
Subtype-Selective Positive Modulation Of KCa2.3 Channels Increases Cilia Length, Young-Woo Nam, Rajasekharreddy Pala, Naglaa Salem El-Sayed, Denisse Laren-Henriquez, Farideh Amirrad, Grace Yang, Mohammad Asikur Rahman, Razan Orfali, Myles Downey, Keykavous Parang, Surya M. Nauli, Miao Zhang
Subtype-Selective Positive Modulation Of KCa2.3 Channels Increases Cilia Length, Young-Woo Nam, Rajasekharreddy Pala, Naglaa Salem El-Sayed, Denisse Laren-Henriquez, Farideh Amirrad, Grace Yang, Mohammad Asikur Rahman, Razan Orfali, Myles Downey, Keykavous Parang, Surya M. Nauli, Miao Zhang
Pharmacy Faculty Articles and Research
Small-conductance Ca2+-activated potassium (KCa2.x) channels are gated exclusively by intracellular Ca2+. The activation of KCa2.3 channels induces hyperpolarization, which augments Ca2+ signaling in endothelial cells. Cilia are specialized Ca2+ signaling compartments. Here, we identified compound 4 that potentiates human KCa2.3 channels selectively. The subtype selectivity of compound 4 for human KCa2.3 over rat KCa2.2a channels relies on an isoleucine residue in the HA/HB helices. Positive modulation of KCa2.3 channels by compound 4 increased flow-induced Ca2+ signaling and cilia length, while negative …
Dual Mechanisms Implemented By Lin-28 For Positive Regulation Of Hbl-1 Are Necessary For Proper Development Of Distinct Tissues In Caenorhabditis Elegans, Madeleine Minutillo
Dual Mechanisms Implemented By Lin-28 For Positive Regulation Of Hbl-1 Are Necessary For Proper Development Of Distinct Tissues In Caenorhabditis Elegans, Madeleine Minutillo
Graduate School of Biomedical Sciences Theses and Dissertations
In Caenorhabditis elegans, the heterochronic pathway is comprised of a hierarchy of genes that control the proper timing of developmental events. hbl-1 (Hunchback Like-1) encodes an Ikaros family zinc-finger transcription factor that promotes the L2 stage cell fate events of the hypodermis. The downregulation ofhbl-1 is a crucial step for the transition from the L2 to the L3 stage. There are two known processes through which negative regulation of hbl-1 occurs: suppression of hbl-1 expression by 3 let-7 miRNAs through the hbl-1 3’UTR and inhibition of HBL-1 activity by LIN-46. The mechanisms by which hbl-1 is positively regulated have not …
Identifying A Glucocorticoid-Activated Gpcr That Rapidly And Non-Genomically Increases Camp Levels In Mammalian Cells, Francisco Nunez
Identifying A Glucocorticoid-Activated Gpcr That Rapidly And Non-Genomically Increases Camp Levels In Mammalian Cells, Francisco Nunez
Pharmaceutical Sciences (PhD) Dissertations
Glucocorticoids (GCs) are steroid hormones that regulate diverse physiological processes. Synthetic versions of GCs are commonly used to treat inflammatory diseases such as asthma by modulating gene expression to suppressing several inflammatory activities. However, it is estimated that 5-10% of asthmatics are unresponsive to GCs, which may be explained by receptor desensitization and/or the presence of a neutrophilic endotype. One understudied phenomenon of GCs is their ability to induce rapid, non-genomic actions. For example, GCs can acutely modulate calcium concentrations levels, induce smooth muscle relaxation and modulate nitric oxide synthase activity, within minutes and sometimes seconds, which is too rapid …
Gaps In Patient Education On Safe Handling And Disposal Of Oral Chemotherapy Drugs: A Pilot Prospective Cohort Survey Study, Sun Yang, Priya Patel, Alexandra Corcoran, Eric Dobberpuhl, Samantha Isidro, Dustin Le, Analise Klassen, Jay Rho, David Tran, Richard Beuttler, Neda Noori Nassr, Katherine Gruenberg, Siu-Fun Wong
Gaps In Patient Education On Safe Handling And Disposal Of Oral Chemotherapy Drugs: A Pilot Prospective Cohort Survey Study, Sun Yang, Priya Patel, Alexandra Corcoran, Eric Dobberpuhl, Samantha Isidro, Dustin Le, Analise Klassen, Jay Rho, David Tran, Richard Beuttler, Neda Noori Nassr, Katherine Gruenberg, Siu-Fun Wong
Pharmacy Faculty Articles and Research
Background
Oral anticancer chemotherapy (OC) has been misperceived as being safer than intravenous chemotherapy, leading to its increased risk of improper handling and disposal. This survey study assessed the knowledge, practices and attitudes of pharmacists and patients regarding OC handling and disposal, gaps in knowledge and barriers to patient education. Methods
Surveys were developed based on literature review and pilot study validation results. Patients completed a 33-item paper or electronic survey whereas pharmacists completed a 38-item electronic survey. Descriptive statistics and Fisher’s exact test computed using the R Project were used for analyses. Results
Pharmacist group (16/25, 62.5%) and patient …
Yap And Taz Are Required For Neural Crest-Derived Cardiovascular Development, Shannon Erhardt
Yap And Taz Are Required For Neural Crest-Derived Cardiovascular Development, Shannon Erhardt
Dissertations and Theses (Open Access)
Congenital heart defects (CHDs) are the most common human birth defect, occurring in ~1/100 newborns, and are a leading cause of early infant death. Cardiac neural crest cells (NCCs) are a migratory and multipotent cell population known to aid in the development of the cardiac outflow tract (OFT), valves, and interventricular septum, during embryogenesis. Yap and Taz are downstream effectors of the fundamental Hippo signaling pathway and are vital for proper organ and tissue development, yet their role in neural crest (NC)-derived heart formation is still largely unknown. We generated Yap and Taz conditional knockout (CKO) mice using a Cre-lox …
The Role Of The Hypoxia-Inducible Factor 2 In Pancreatic Cancer: Mechanisms Of Tumor Immunosuppression And Intestinal Radioprotection, Carolina Garcia Garcia
The Role Of The Hypoxia-Inducible Factor 2 In Pancreatic Cancer: Mechanisms Of Tumor Immunosuppression And Intestinal Radioprotection, Carolina Garcia Garcia
Dissertations and Theses (Open Access)
Pancreatic ductal adenocarcinoma (PDAC) is a devastating disease with dismal prognosis. The only curative option for patients is surgery, but over 80% of patients are not surgical candidates. Unfortunately, PDAC is resistant to the three remaining options. PDAC is characterized by a profoundly hypoxic and immunosuppressive stroma, which contributes to its therapeutic recalcitrance. Alpha-smooth muscle actin+ (αSMA+) cancer-associated fibroblasts (CAFs) are the most abundant stromal component, as well as mediators of stromal deposition. The hypoxia-inducible factors (HIF1 and HIF2) coordinate responses to hypoxia, yet, despite their known association to poor patient outcomes, their functions within the PDAC tumor microenvironment (TME) …
Roles Of Oxidative Stress And Dna Methylation In Cigarette Smoking-Induced Accelerated Acute Myeloid Leukemia Progression, Mary Figueroa
Roles Of Oxidative Stress And Dna Methylation In Cigarette Smoking-Induced Accelerated Acute Myeloid Leukemia Progression, Mary Figueroa
Dissertations and Theses (Open Access)
Acute myeloid leukemia (AML) is a commonly diagnosed cancer in smokers. When current or former smokers have AML, they have worse survival compared to never smoking patients. This has been observed clinically for decades, but then it is unknown how smoking leads to worsened AML survival. Smoking causes oxidative stress and altered DNA methylation that persists for decades in peripheral blood mononuclear cells, but these changes from smoking have not been evaluated in the context of AML. We hypothesize that smoking-induced molecular changes, including altered DNA methylation associated with poor AML prognosis, promote AML. We developed a novel model to …
The Novel Role Of Dnmbp In Kidney Development, Brandy Walker
The Novel Role Of Dnmbp In Kidney Development, Brandy Walker
Dissertations and Theses (Open Access)
Congenital anomalies of the kidney and urinary tract (CAKUT) accounts for nearly one-fourth of all birth defects and more than 40% of pediatric end-stage renal disease, yet only 10-20% of CAKUT cases have a known monogenetic cause. Human kidneys are composed of up to a million epithelial tubules called nephrons. Disruption of nephron development is one of the many congenital anomalies that cause CAKUT, often resulting in chronic or end-stage renal disease which requires transplant. During nephron epithelialization, the formation of stable cadherin-mediated adhesion junctions is essential for maintaining cell-cell contacts. To understand the cell behaviors underlying abnormalities in renal …
Investigating Conserved Mechanisms For Embryonic Eye Regrowth In Xenopus Laevis, Cindy Kha
Investigating Conserved Mechanisms For Embryonic Eye Regrowth In Xenopus Laevis, Cindy Kha
UNLV Theses, Dissertations, Professional Papers, and Capstones
Regeneration is a complex process to replace or restore tissue after damage. However, animals vary in their ability to regenerate tissue, and humans are limited in their abilities. Understanding how regeneration occurs in highly regenerative vertebrates, such as in Xenopus laevis frogs will lead to defining common regeneration mechanisms. In recent years, eye regeneration research in Xenopus laevis tadpoles provided new promising insight into the mechanisms necessary for repair of damaged eye tissue. Much progress has been made towards understanding the regenerative capability of the complex eye since Xenopus tadpoles can regenerate mature eye tissues, including: the optic nerve, retina, …
Screening Tcf19 And Kif18b To Determine Co-Regulation With Mybl1 In Triple Negative Breast Cancer Patient Tissues, Tyra Sharda Ivory
Screening Tcf19 And Kif18b To Determine Co-Regulation With Mybl1 In Triple Negative Breast Cancer Patient Tissues, Tyra Sharda Ivory
Theses (2016-Present)
The aggressive behavior in triple-negative breast cancer (TNBC) is due to genetic signaling events, which call for the comprehensive analyses of genes differentially regulated in the cancers. Our laboratory previously found that MYBL1 was over-expressed in a fraction of the TNBC, compared to some luminal, and other breast cancer subtypes. The MYBL1 gene is a proto-oncogene that serves as a strong transcriptional activator. The gene is involved in signaling events related to cell cycle signaling, differentiation, proliferation, and apoptosis, all which are differentially regulated in cancers. Because MYBL1 is a transcription regulator, involved in cancer-related mechanisms and differentially expressed in …
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
Rowan-Virtua School of Osteopathic Medicine Departmental Research
Hormesis refers to dose-response phenomena where low dose treatments elicit a response that is opposite the response observed at higher doses. Hormetic dose-response relationships have been observed throughout all of biology, but the underlying determinants of many reported hormetic dose-responses have not been identified. In this report, we describe a conserved mechanism for hormesis on the molecular level where low dose treatments enhance a response that becomes reduced at higher doses. The hormetic mechanism relies on the ability of protein homo-multimers to simultaneously interact with a substrate and a competitor on different subunits at low doses of competitor. In this …
Renal Cell Carcinoma Of Pelvic Kidney With Atypical Nodal Metastasis: A Diagnostic Challenge, Roshan-E-Shahid Rana, Muhammad Hammad Ather
Renal Cell Carcinoma Of Pelvic Kidney With Atypical Nodal Metastasis: A Diagnostic Challenge, Roshan-E-Shahid Rana, Muhammad Hammad Ather
Section of Urology
Ectopic pelvic kidney is a known congenital anomaly; however, the presence of renal cell carcinoma (RCC) in an ectopic kidney is rare with the evidence available in the form of a few case reports only. In this case report, we present a case of metastatic RCC in the pelvic kidney which became a diagnostic challenge because of atypical contrast-enhanced computed tomographic (CT) characteristics and unusual pattern of lymph node involvement including cervical lymph node in the absence of visceral metastasis. Because of its unusual location and uncertain vascular anatomy, ectopic kidney poses a surgical challenge. Owing to the rarity of …
Bio-Vascular 3d, Wisdom Shadrach
Bio-Vascular 3d, Wisdom Shadrach
ORBioM (Open Research BioSciences Meeting)
Cardiovascular disease is a leading cause of mortality and morbidity across the world and according to the world health organization account for 32% of mortality rate globally. There still remain a need to develop better in vitro vascular models that would aid further in-depth understanding of cardiovascular pathogenesis and proposed therapeutic intervention.
This study intends to characterize four novel medically relevant synthetic polymer scaffolds, and one hydrogel, for their biocompatibility and potential application in a tissue engineered blood vessel (TEBV). A primary human endothelial cell line derived from the vein of the umbilical cord (HUVEC), and a human primary smooth …
Ciliogenesis Mechanisms Mediated By Pak2-Arl13b Signaling In Brain Endothelial Cells Is Responsible For Vascular Stability, Karthikeyan Thirugnanam, Shubhangi Prabhudesai, Emma Van Why, Amy Pan, Ankan Gupta, Koji Foreman, Rahima Zennadi, Kevin R. Rarick, Surya M. Nauli, Sean P. Palacek, Ramani Ramchandran
Ciliogenesis Mechanisms Mediated By Pak2-Arl13b Signaling In Brain Endothelial Cells Is Responsible For Vascular Stability, Karthikeyan Thirugnanam, Shubhangi Prabhudesai, Emma Van Why, Amy Pan, Ankan Gupta, Koji Foreman, Rahima Zennadi, Kevin R. Rarick, Surya M. Nauli, Sean P. Palacek, Ramani Ramchandran
Pharmacy Faculty Articles and Research
In the developing vasculature, cilia, microtubule-based organelles that project from the apical surface of endothelial cells (ECs), have been identified to function cell autonomously to promote vascular integrity and prevent hemorrhage. To date, the underlying mechanisms of endothelial cilia formation (ciliogenesis) are not fully understood. Understanding these mechanisms is likely to open new avenues for targeting EC-cilia to promote vascular stability. Here, we hypothesized that brain ECs ciliogenesis and the underlying mechanisms that control this process are critical for brain vascular stability. To investigate this hypothesis, we utilized multiple approaches including developmental zebrafish model system and primary cell culture systems. …
The Effect Of Fibrodysplasia Ossificans Progressiva On The Tongue, Amy Backal, Amanda Harrop, David J. Goldhamer Dr.
The Effect Of Fibrodysplasia Ossificans Progressiva On The Tongue, Amy Backal, Amanda Harrop, David J. Goldhamer Dr.
University Scholar Projects
FOP is a rare genetic disorder in which skeletal muscle and associated connective tissue progressively turn to bone through a process called heterotopic ossification (HO). The extra skeletal bone growth is cumulative, eventually trapping patients in a second skeleton that eventually leads to death by asphyxiation. The FOP mutation is autosomal dominant that can be inherited or acquired sporadically. Unfortunately, FOP is currently incurable with no therapeutic options to inhibit bone growth or reduce existing bone nodules. My project intends to further our understanding of the cellular mechanisms of the disease within the tongue muscle. A population of cells known …
The Effect Of Fibrodysplasia Ossificans Progressiva On The Tongue, Amy Backal, Amanda Harrop, David J. Goldhamer Dr.
The Effect Of Fibrodysplasia Ossificans Progressiva On The Tongue, Amy Backal, Amanda Harrop, David J. Goldhamer Dr.
Honors Scholar Theses
FOP is a rare genetic disorder in which skeletal muscle and associated connective tissue progressively turn to bone through a process called heterotopic ossification (HO). The extra skeletal bone growth is cumulative, eventually trapping patients in a second skeleton that eventually leads to death by asphyxiation. The FOP mutation is autosomal dominant that can be inherited or acquired sporadically. Unfortunately, FOP is currently incurable with no therapeutic options to inhibit bone growth or reduce existing bone nodules. My project intends to further our understanding of the cellular mechanisms of the disease within the tongue muscle. A population of cells known …
Resolving The Repression Pathway Of Virulence Gene Hila In Salmonella, Alexandra King, Lon Chubiz Phd, Brenda Pratte, Lauren Daugherty
Resolving The Repression Pathway Of Virulence Gene Hila In Salmonella, Alexandra King, Lon Chubiz Phd, Brenda Pratte, Lauren Daugherty
Undergraduate Research Symposium
Salmonella is a relatively abundant, virulent species of bacteria that is most known for spreading gastrointestinal diseases through food. These illnesses result in approximately 1.35 million infections, including over 25,000 hospitalizations each year, in the U.S. alone (CDC.gov). As antibiotic resistance becomes an increasingly urgent public health problem, the importance of developing alternative treatment methods is only becoming more crucial. One of the genes responsible for this virulence is known as hilA. HilA is the main transcriptional regulator of Salmonella Pathogenicity Island-1 gene (UniProt). SPI-1 plays an important role in the invasion of Salmonella into epithelial cells. The proteins encoded …
Comparative Studies Between The Murine Immortalized Brain Endothelial Cell Line (Bend.3) And Induced Pluripotent Stem Cell-Derived Human Brain Endothelial Cells For Paracellular Transport, Jiahong Sun, Weijun Ou, Derick Han, Annlia Paganini-Hill, Mark J. Fisher, Rachita K. Sumbria
Comparative Studies Between The Murine Immortalized Brain Endothelial Cell Line (Bend.3) And Induced Pluripotent Stem Cell-Derived Human Brain Endothelial Cells For Paracellular Transport, Jiahong Sun, Weijun Ou, Derick Han, Annlia Paganini-Hill, Mark J. Fisher, Rachita K. Sumbria
Pharmacy Faculty Articles and Research
Brain microvascular endothelial cells, forming the anatomical site of the blood-brain barrier (BBB), are widely used as in vitro complements to in vivo BBB studies. Among the immortalized cells used as in vitro BBB models, the murine-derived bEnd.3 cells offer culturing consistency and low cost and are well characterized for functional and transport assays, but result in low transendothelial electrical resistance (TEER). Human-induced pluripotent stem cells differentiated into brain microvascular endothelial cells (ihBMECs) have superior barrier properties, but the process of differentiation is time-consuming and can result in mixed endothelial-epithelial gene expression. Here we performed a side-by-side comparison of the …
Cytotoxic Activity Of Non-Specific Lipid Transfer Protein (Nsltp1) From Ajwain (Trachyspermum Ammi) Seeds, Saud O. Alshammari, Taibah Aldakhil, Qamar A. Alshammari, David Salehi, Aftab Ahmed
Cytotoxic Activity Of Non-Specific Lipid Transfer Protein (Nsltp1) From Ajwain (Trachyspermum Ammi) Seeds, Saud O. Alshammari, Taibah Aldakhil, Qamar A. Alshammari, David Salehi, Aftab Ahmed
Pharmacy Faculty Articles and Research
Background
Trachyspermum ammi, commonly known as Ajwain, is a member of the Apiaceae family. It is a therapeutic herbal spice with diverse pharmacological properties, used in traditional medicine for various ailments. However, all previous studies were conducted using small molecule extracts, leaving the protein’s bioactivity undiscovered.
Aim
The current study aimed to demonstrate the cytotoxic activity of Ajwain non-specific lipid transfer protein (nsLTP1) in normal breast (MCF10A), breast cancer (MCF-7), and pancreatic cancer (AsPC-1) cell lines. Also, to evaluate its structural stability in human serum as well as at high temperature conditions.
Methods
The cytotoxic activity of Ajwain nsLTP1 was …