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Articles 10021 - 10050 of 26123
Full-Text Articles in Entire DC Network
Review Of Gynaecological Cancer Among Aboriginal And/Or Torres Strait Islander People In Australia, Aime Powell, Ami Morseu-Diop, Maya Morton Ninomiya, Uday Narayan Yadav, Emily Phillips, Devendra Raj Singh, Tamara Butler, Emma Allanson, Lisa J. Whop
Review Of Gynaecological Cancer Among Aboriginal And/Or Torres Strait Islander People In Australia, Aime Powell, Ami Morseu-Diop, Maya Morton Ninomiya, Uday Narayan Yadav, Emily Phillips, Devendra Raj Singh, Tamara Butler, Emma Allanson, Lisa J. Whop
Journal of the Australian Indigenous HealthInfoNet
Gynaecological cancers bear a significant burden on the health of Australians. Whilst Australia has made great strides in reducing the overall gynaecological cancer burden nationally, Aboriginal and/or Torres Strait Islander women continue to experience disproportionately high rates of gynaecological cancers.
This review focuses on the social, cultural, and historical contexts that contribute to inequitable gynaecological cancer rates among Aboriginal and/or Torres Strait Islander women. An in-depth discussion on cervical cancer, ovarian cancer, and uterine cancer are described; including the incidence, mortality, survival, and management of these diseases for Aboriginal and/or Torres Strait Islander women.
It highlights both the persistent barriers …
From Bugs To Drugs: Bacterial 3-Iaa Enhances Efficacy Of Chemotherapy In Pancreatic Cancer, Y David Seo, Jennifer A Wargo
From Bugs To Drugs: Bacterial 3-Iaa Enhances Efficacy Of Chemotherapy In Pancreatic Cancer, Y David Seo, Jennifer A Wargo
Faculty, Staff and Student Publications
Tintelnot et al. identified enrichment of indole-3-acetic acid (3-IAA), a tryptophan metabolite produced by gut microbiota, as a predictor of chemotherapy response in pancreatic adenocarcinoma. Recapitulated in mouse models, 3-IAA represents a novel potential therapeutic approach for chemotherapy sensitization.
Sarcopenia And Cardiovascular Diseases, Manish Kumar, Wayne B Batchelor, Daniel E Forman, Michael W Rich, James Kirkpatrick, Ashok Krishnaswami, Karen P Alexander, Gary Gerstenblith, Peggy Cawthon, Christopher R Defilippi, Parag Goyal
Sarcopenia And Cardiovascular Diseases, Manish Kumar, Wayne B Batchelor, Daniel E Forman, Michael W Rich, James Kirkpatrick, Ashok Krishnaswami, Karen P Alexander, Gary Gerstenblith, Peggy Cawthon, Christopher R Defilippi, Parag Goyal
Faculty, Staff and Student Publications
Sarcopenia is the loss of muscle strength, mass, and function, which is often exacerbated by chronic comorbidities including cardiovascular diseases, chronic kidney disease, and cancer. Sarcopenia is associated with faster progression of cardiovascular diseases and higher risk of mortality, falls, and reduced quality of life, particularly among older adults. Although the pathophysiologic mechanisms are complex, the broad underlying cause of sarcopenia includes an imbalance between anabolic and catabolic muscle homeostasis with or without neuronal degeneration. The intrinsic molecular mechanisms of aging, chronic illness, malnutrition, and immobility are associated with the development of sarcopenia. Screening and testing for sarcopenia may be …
Next-Generation Boron Drugs And Rational Translational Studies Driving The Revival Of Bnct, Sunil Krishnan
Next-Generation Boron Drugs And Rational Translational Studies Driving The Revival Of Bnct, Sunil Krishnan
Faculty, Staff and Student Publications
BNCT is a high-linear-energy transfer therapy that facilitates tumor-directed radiation delivery while largely sparing adjacent normal tissues through the biological targeting of boron compounds to tumor cells. Tumor-specific accumulation of boron with limited accretion in normal cells is the crux of successful BNCT delivery. Given this, developing novel boronated compounds with high selectivity, ease of delivery, and large boron payloads remains an area of active investigation. Furthermore, there is growing interest in exploring the immunogenic potential of BNCT. In this review, we discuss the basic radiobiological and physical aspects of BNCT, traditional and next-generation boron compounds, as well as translational …
Evaluation Of 89zr-Labeled Anti-Pd-L1 Monoclonal Antibodies Using Dfo And Novel Hopo Analogues As Chelating Agents For Immuno-Pet, Bhasker Radaram, Sarah E Glazer, Ping Yang, Chia-Wei Li, Mien-Chie Hung, Mian Alauddin
Evaluation Of 89zr-Labeled Anti-Pd-L1 Monoclonal Antibodies Using Dfo And Novel Hopo Analogues As Chelating Agents For Immuno-Pet, Bhasker Radaram, Sarah E Glazer, Ping Yang, Chia-Wei Li, Mien-Chie Hung, Mian Alauddin
Faculty, Staff and Student Publications
Programmed death ligand 1 (PD-L1) is a type 1 transmembrane immunosuppressive protein that is expressed on a wide range of cell types, including cancer cells. Anti-PD-L1 antibodies have revolutionized cancer therapy and have led to improved outcomes for subsets of cancer patients, including triple-negative breast cancer (TNBC) patients. As a result, PET imaging of PD-L1 protein expression in cancer patients has been explored for noninvasive detection of PD-L1 expressing tumors as well as monitoring response to anti-PD-L1 immune checkpoint therapy. Previous studies have indicated that the in vivo stability and in vivo target detection of antibody-based radio-conjugates can be dramatically …
Traf4-Mediated Nonproteolytic Ubiquitination Of Androgen Receptor Promotes Castration-Resistant Prostate Cancer, Lance Edward V Lumahan, Steven Nguyen, Hong Shen, Subhamoy Dasgupta, Li Qin, Dileep Karri, Bokai Zhu, Feng Yang, Cristian Coarfa, Bert W O'Malley, Ping Yi
Traf4-Mediated Nonproteolytic Ubiquitination Of Androgen Receptor Promotes Castration-Resistant Prostate Cancer, Lance Edward V Lumahan, Steven Nguyen, Hong Shen, Subhamoy Dasgupta, Li Qin, Dileep Karri, Bokai Zhu, Feng Yang, Cristian Coarfa, Bert W O'Malley, Ping Yi
Faculty, Staff and Students Publications
Castration-resistant prostate cancer (CRPC) poses a major clinical challenge with the androgen receptor (AR) remaining to be a critical oncogenic player. Several lines of evidence indicate that AR induces a distinct transcriptional program after androgen deprivation in CRPCs. However, the mechanism triggering AR binding to a distinct set of genomic loci in CRPC and how it promotes CRPC development remain unclear. We demonstrate here that atypical ubiquitination of AR mediated by an E3 ubiquitin ligase TRAF4 plays an important role in this process. TRAF4 is highly expressed in CRPCs and promotes CRPC development. It mediates K27-linked ubiquitination at the C-terminal …
Traf4-Mediated Nonproteolytic Ubiquitination Of Androgen Receptor Promotes Castration-Resistant Prostate Cancer, Lance Edward V Lumahan, Steven Nguyen, Hong Shen, Subhamoy Dasgupta, Li Qin, Dileep Karri, Bokai Zhu, Feng Yang, Cristian Coarfa, Bert W O'Malley, Ping Yi
Traf4-Mediated Nonproteolytic Ubiquitination Of Androgen Receptor Promotes Castration-Resistant Prostate Cancer, Lance Edward V Lumahan, Steven Nguyen, Hong Shen, Subhamoy Dasgupta, Li Qin, Dileep Karri, Bokai Zhu, Feng Yang, Cristian Coarfa, Bert W O'Malley, Ping Yi
Faculty, Staff and Students Publications
Castration-resistant prostate cancer (CRPC) poses a major clinical challenge with the androgen receptor (AR) remaining to be a critical oncogenic player. Several lines of evidence indicate that AR induces a distinct transcriptional program after androgen deprivation in CRPCs. However, the mechanism triggering AR binding to a distinct set of genomic loci in CRPC and how it promotes CRPC development remain unclear. We demonstrate here that atypical ubiquitination of AR mediated by an E3 ubiquitin ligase TRAF4 plays an important role in this process. TRAF4 is highly expressed in CRPCs and promotes CRPC development. It mediates K27-linked ubiquitination at the C-terminal …
Improved Synthesis And Anticancer Activity Of A Potent Neuronal Nitric Oxide Synthase Inhibitor, Dhananjayan Vasu, Cory T. Reidl, Eric Wang, Sun Yang, Richard B. Silverman
Improved Synthesis And Anticancer Activity Of A Potent Neuronal Nitric Oxide Synthase Inhibitor, Dhananjayan Vasu, Cory T. Reidl, Eric Wang, Sun Yang, Richard B. Silverman
Pharmacy Faculty Articles and Research
An improved synthesis of 4-methyl-7-(3-((methylamino)methyl)phenethyl)quinolin-2-amine (1) is reported. A scalable, rapid, and efficient methodology was developed to access this compound with an overall yield of 35%, which is 5.9-fold higher than the previous report. The key differences in the improved synthesis are a high yielding quinoline synthesis by a Knorr reaction, a copper-mediated Sonogashira coupling to the internal alkyne in excellent yield, and a crucial deprotection of the N-acetyl and N-Boc groups achieved under acidic conditions in a single step rather than a poor yielding quinoline N-oxide strategy, basic deprotection conditions, and low yielding copper-free conditions that …
Adenoviral-Vectored Epigraph Vaccine Elicits Robust, Durable, And Protective Immunity Against H3 Influenza A Virus In Swine, Erika M. Petro-Turnquist, Matthew J. Pekarek, Nicholas Jeanjaquet, Cedric Wooledge, David J. Steffen, Hiep Vu, Eric A. Weaver
Adenoviral-Vectored Epigraph Vaccine Elicits Robust, Durable, And Protective Immunity Against H3 Influenza A Virus In Swine, Erika M. Petro-Turnquist, Matthew J. Pekarek, Nicholas Jeanjaquet, Cedric Wooledge, David J. Steffen, Hiep Vu, Eric A. Weaver
Nebraska Center for Virology: Faculty Publications
Current methods of vaccination against swine Influenza A Virus (IAV-S) in pigs are infrequently updated, induce strain-specific responses, and have a limited duration of protection. Here, we characterize the onset and duration of adaptive immune responses after vaccination with an adenoviral-vectored Epigraph vaccine. In this longitudinal study we observed robust and durable antibody responses that remained above protective titers six months after vaccination. We further identified stable levels of antigen-specific T cell responses that remained detectable in the absence of antigen stimulation. Antibody isotyping revealed robust class switching from IgM to IgG induced by Epigraph vaccination, while the commercial comparator …
Correction Of T-Cell Repertoire And Autoimmune Diabetes In Nod Mice By Non-Myeloablative T-Cell Depleted Allogeneic Hsct, Rakefet Sidlik Muskatel, Bar Nathansohn-Levi, Shlomit Reich-Zeliger, Michal Mark, Liat Stoler-Barak, Irit Milman-Krentsis, Robert Pete Gale, Nir Friedman, Yair Reisner
Correction Of T-Cell Repertoire And Autoimmune Diabetes In Nod Mice By Non-Myeloablative T-Cell Depleted Allogeneic Hsct, Rakefet Sidlik Muskatel, Bar Nathansohn-Levi, Shlomit Reich-Zeliger, Michal Mark, Liat Stoler-Barak, Irit Milman-Krentsis, Robert Pete Gale, Nir Friedman, Yair Reisner
Faculty, Staff and Student Publications
The induction of partial tolerance toward pancreatic autoantigens in the treatment of type 1 diabetes mellitus (T1DM) can be attained by autologous hematopoietic stem cell transplantation (HSCT). However, most patients treated by autologous HSCT eventually relapse. Furthermore, allogeneic HSCT which could potentially provide a durable non-autoimmune T-cell receptor (TCR) repertoire is associated with a substantial risk for transplant-related mortality. We have previously demonstrated an effective approach for attaining engraftment without graft versus host disease (GVHD) of allogeneic T-cell depleted HSCT, following non-myeloablative conditioning, using donor-derived anti-3rd party central memory CD8 veto T cells (Tcm). In the present study, we investigated …
An Opportunity To Increase Collaborative Science In Fetal, Infant, And Toddler Neuroimaging, Dustin Scheinost
An Opportunity To Increase Collaborative Science In Fetal, Infant, And Toddler Neuroimaging, Dustin Scheinost
Faculty, Staff and Student Publications
The field of fetal, infant, and toddler (FIT) neuroimaging research—including magnetic resonance imaging (MRI), electroencephalography (EEG), magnetoencephalography, and functional near-infrared spectroscopy, among others—offers pioneering insights into early brain development and has grown in popularity over the past 2 decades. In broader neuroimaging research, multisite collaborative projects, data sharing, and open-source code have increasingly become the norm, fostering big data, consensus standards, and rapid knowledge transfer and development. Given the aforementioned benefits, along with recent initiatives from funding agencies to support multisite and multimodal FIT neuroimaging studies, the FIT field now has the opportunity to establish sustainable, collaborative, and open science …
Effects Of Prenatal Pesticide Exposure On The Fetal Brain And Placenta Transcriptomes In A Rodent Model, Randy Williams, Jia Chen
Effects Of Prenatal Pesticide Exposure On The Fetal Brain And Placenta Transcriptomes In A Rodent Model, Randy Williams, Jia Chen
Faculty, Staff and Student Publications
Organophosphate and pyrethroid pesticides are among the most extensively used insecticides worldwide. Prenatal exposures to both classes of pesticides have been linked to a wide range of neurobehavioral deficits in the offspring. The placenta is a neuroendocrine organ and the crucial regulator of the intrauterine environment; early-life toxicant exposures could impact neurobehavior by disrupting placental processes. Female C57BL/6 J mice were exposed via oral gavage to an organophosphate, chlorpyrifos (CPF) at 5 mg/kg, a pyrethroid, deltamethrin (DM), at 3 mg/kg, or vehicle only control (CTL). Exposure began two weeks before breeding and continued every three days until euthanasia at gestational …
Structural Insights Into Ligand Recognition And Selectivity Of Somatostatin Receptors, Guizhen Fan, Eugenia Mileykovskaya, William Dowhan
Structural Insights Into Ligand Recognition And Selectivity Of Somatostatin Receptors, Guizhen Fan, Eugenia Mileykovskaya, William Dowhan
Faculty, Staff and Student Publications
Cardiolipin is a hallmark phospholipid of mitochondrial membranes. Despite established significance of cardiolipin in supporting respiratory supercomplex organization, a mechanistic understanding of this lipid-protein interaction is still lacking. To address the essential role of cardiolipin in supercomplex organization, we report cryo-EM structures of a wild type supercomplex (IV
Immunologic Predictors For Clinical Responses During Immune Checkpoint Blockade In Patients With Myelodysplastic Syndromes, Sung-Eun Lee, Feng Wang, Maison Grefe, Abel Trujillo-Ocampo, Wilfredo Ruiz-Vasquez, Hussein A Abbas, Dinler Amaral Antunes, Gheath Al-Atrash, Naval Daver, Jeffrey J Molldrem, Andrew Futreal, Guillermo Garcia-Manero, Jin S Im
Immunologic Predictors For Clinical Responses During Immune Checkpoint Blockade In Patients With Myelodysplastic Syndromes, Sung-Eun Lee, Feng Wang, Maison Grefe, Abel Trujillo-Ocampo, Wilfredo Ruiz-Vasquez, Hussein A Abbas, Dinler Amaral Antunes, Gheath Al-Atrash, Naval Daver, Jeffrey J Molldrem, Andrew Futreal, Guillermo Garcia-Manero, Jin S Im
Faculty, Staff and Student Publications
PURPOSE: The aim of this study is to determine immune-related biomarkers to predict effective antitumor immunity in myelodysplastic syndrome (MDS) during immunotherapy (IMT, αCTLA-4, and/or αPD-1 antibodies) and/or hypomethylating agent (HMA).
EXPERIMENTAL DESIGN: Peripheral blood samples from 55 patients with MDS were assessed for immune subsets, T-cell receptor (TCR) repertoire, mutations in 295 acute myeloid leukemia (AML)/MDS-related genes, and immune-related gene expression profiling before and after the first treatment.
RESULTS: Clinical responders treated with IMT ± HMA but not HMA alone showed a significant expansion of central memory (CM) CD8+ T cells, diverse TCRβ repertoire pretreatment with increased clonality and …
Kras Hijacks The Mirna Regulatory Pathway In Cancer
Kras Hijacks The Mirna Regulatory Pathway In Cancer
Faculty, Staff and Students Publications
Extensive studies have focused on the misregulation of individual miRNAs in cancer. More recently, mutations in the miRNA biogenesis and processing machinery have been implicated in several malignancies. Such mutations can lead to global miRNA misregulation, which may promote many of the well-known hallmarks of cancer. Interestingly, recent evidence also suggests that oncogenic Kristen rat sarcoma viral oncogene homolog (KRAS) mutations act in part by modulating the activity of members of the miRNA regulatory pathway. Here, we highlight the vital role mutations in the miRNA core machinery play in promoting malignant transformation. Furthermore, we discuss how mutant KRAS can simultaneously …
Cardiac Pericytes Mediate The Remodeling Response To Myocardial Infarction, Kamal Ss Kolluri, David Wong, Kevin D Shih, Kai Fang, Arash Pezhouman, Lingjun Wang, Ali Daraei, Matthew D Tran, Elle M Rathbun, Kimberly N Burgos Villar, Maria L Garcia-Hernandez, Thanh Td Pham, Charles J Lowenstein, M Luisa Iruela-Arispe, S Thomas Carmichael, Eric M Small, Reza Ardehali
Cardiac Pericytes Mediate The Remodeling Response To Myocardial Infarction, Kamal Ss Kolluri, David Wong, Kevin D Shih, Kai Fang, Arash Pezhouman, Lingjun Wang, Ali Daraei, Matthew D Tran, Elle M Rathbun, Kimberly N Burgos Villar, Maria L Garcia-Hernandez, Thanh Td Pham, Charles J Lowenstein, M Luisa Iruela-Arispe, S Thomas Carmichael, Eric M Small, Reza Ardehali
Faculty, Staff and Students Publications
Despite the prevalence of pericytes in the microvasculature of the heart, their role during ischemia-induced remodeling remains unclear. We used multiple lineage-tracing mouse models and found that pericytes migrated to the injury site and expressed profibrotic genes, coinciding with increased vessel leakage after myocardial infarction (MI). Single-cell RNA-Seq of cardiac pericytes at various time points after MI revealed the temporally regulated induction of genes related to vascular permeability, extracellular matrix production, basement membrane degradation, and TGF-β signaling. Deleting TGF-β receptor 1 in chondroitin sulfate proteoglycan 4-expressing (Cspg4-expressing) cells reduced fibrosis following MI, leading to a transient improvement in the cardiac …
Ragd Auto-Activating Mutations Impair Mit/Tfe Activity In Kidney Tubulopathy And Cardiomyopathy Syndrome, Irene Sambri, Marco Ferniani, Giulia Campostrini, Marialuisa Testa, Viviana Meraviglia, Mariana E G De Araujo, Ladislav Dokládal, Claudia Vilardo, Jlenia Monfregola, Nicolina Zampelli, Francesca Del Vecchio Blanco, Annalaura Torella, Carolina Ruosi, Simona Fecarotta, Giancarlo Parenti, Leopoldo Staiano, Milena Bellin, Lukas A Huber, Claudio De Virgilio, Francesco Trepiccione, Vincenzo Nigro, Andrea Ballabio
Ragd Auto-Activating Mutations Impair Mit/Tfe Activity In Kidney Tubulopathy And Cardiomyopathy Syndrome, Irene Sambri, Marco Ferniani, Giulia Campostrini, Marialuisa Testa, Viviana Meraviglia, Mariana E G De Araujo, Ladislav Dokládal, Claudia Vilardo, Jlenia Monfregola, Nicolina Zampelli, Francesca Del Vecchio Blanco, Annalaura Torella, Carolina Ruosi, Simona Fecarotta, Giancarlo Parenti, Leopoldo Staiano, Milena Bellin, Lukas A Huber, Claudio De Virgilio, Francesco Trepiccione, Vincenzo Nigro, Andrea Ballabio
Duncan NRI Faculty and Staff Publications
Heterozygous mutations in the gene encoding RagD GTPase were shown to cause a novel autosomal dominant condition characterized by kidney tubulopathy and cardiomyopathy. We previously demonstrated that RagD, and its paralogue RagC, mediate a non-canonical mTORC1 signaling pathway that inhibits the activity of TFEB and TFE3, transcription factors of the MiT/TFE family and master regulators of lysosomal biogenesis and autophagy. Here we show that RagD mutations causing kidney tubulopathy and cardiomyopathy are "auto- activating", even in the absence of Folliculin, the GAP responsible for RagC/D activation, and cause constitutive phosphorylation of TFEB and TFE3 by mTORC1, without affecting the phosphorylation …
Observations On The Present And The Future Of Hip Surgery, Alberto Di Martino
Observations On The Present And The Future Of Hip Surgery, Alberto Di Martino
Department of Orthopaedic Surgery Faculty Papers
No abstract provided.
Feature Selection From Clinical Surveys Using Semantic Textual Similarity, Benjamin Warner
Feature Selection From Clinical Surveys Using Semantic Textual Similarity, Benjamin Warner
McKelvey School of Engineering Graduate Student Theses & Dissertations
Survey data collected from human subjects can contain a high number of features while having a comparatively low quantity of examples. Machine learning models that attempt to predict outcomes from survey data under these conditions can overfit and result in poor generalizability. One remedy to this issue is feature selection, which attempts to select an optimal subset of features to learn upon. A relatively unexplored source of information in the feature selection process is the usage of textual names of features, which may be semantically indicative of which features are relevant to a target outcome. The relationships between feature names …
Lipoxin A4 (Lxa4) Reduces Alkali-Induced Corneal Inflammation And Neovascularization And Upregulates A Repair Transcriptome, Jiucheng He, Thang L. Pham, Azucena H. Kakazu, Abhilash Ponnath, Khanh V. Do, Haydee E.P. Bazan
Lipoxin A4 (Lxa4) Reduces Alkali-Induced Corneal Inflammation And Neovascularization And Upregulates A Repair Transcriptome, Jiucheng He, Thang L. Pham, Azucena H. Kakazu, Abhilash Ponnath, Khanh V. Do, Haydee E.P. Bazan
School of Graduate Studies Faculty Publications
Purpose: To investigate the anti-inflammatory and anti-angiogenic effects of the bioactive lipid mediator LXA4 on a rat model of severe corneal alkali injury. Methods: To induce a corneal alkali injury in the right eyes of anesthetized Sprague Dawley rats. They were injured with a Φ 4 mm filter paper disc soaked in 1 N NaOH placed on the center of the cornea. After injury, the rats were treated topically with LXA4 (65 ng/20 μL) or vehicle three times a day for 14 days. Corneal opacity, neovascularization (NV), and hyphema were recorded and evaluated in a blind manner. Pro-inflammatory cytokine expression …
Dynamic Conformational Switching Underlies Tfiih Function In Transcription And Dna Repair And Impacts Genetic Diseases, Jina Yu, Chunli Yan, Thomas Dodd, Chi-Lin Tsai, John A Tainer, Ivaylo Ivanov
Dynamic Conformational Switching Underlies Tfiih Function In Transcription And Dna Repair And Impacts Genetic Diseases, Jina Yu, Chunli Yan, Thomas Dodd, Chi-Lin Tsai, John A Tainer, Ivaylo Ivanov
Faculty, Staff and Student Publications
Transcription factor IIH (TFIIH) is a protein assembly essential for transcription initiation and nucleotide excision repair (NER). Yet, understanding of the conformational switching underpinning these diverse TFIIH functions remains fragmentary. TFIIH mechanisms critically depend on two translocase subunits, XPB and XPD. To unravel their functions and regulation, we build cryo-EM based TFIIH models in transcription- and NER-competent states. Using simulations and graph-theoretical analysis methods, we reveal TFIIH's global motions, define TFIIH partitioning into dynamic communities and show how TFIIH reshapes itself and self-regulates depending on functional context. Our study uncovers an internal regulatory mechanism that switches XPB and XPD activities …
Structure Of A Eukaryotic Cholinephosphotransferase-1 Reveals Mechanisms Of Substrate Recognition And Catalysis
Faculty, Staff and Students Publications
Phosphatidylcholine (PC) is the most abundant phospholipid in eukaryotic cell membranes. In eukaryotes, two highly homologous enzymes, cholinephosphotransferase-1 (CHPT1) and choline/ethanolamine phosphotransferase-1 (CEPT1) catalyze the final step of de novo PC synthesis. CHPT1/CEPT1 joins two substrates, cytidine diphosphate-choline (CDP-choline) and diacylglycerol (DAG), to produce PC, and Mg2+ is required for the reaction. However, mechanisms of substrate recognition and catalysis remain unresolved. Here we report structures of a CHPT1 from Xenopus laevis (xlCHPT1) determined by cryo-electron microscopy to an overall resolution of ~3.2 Å. xlCHPT1 forms a homodimer, and each protomer has 10 transmembrane helices (TMs). The first 6 TMs carve …
Functional Variants Identify Sex-Specific Genes And Pathways In Alzheimer’S Disease, Minh Pham, Dillon Shapiro, Yashwanth Lagisetty, Shirin Soleimani, Samantha Mota, Kevin Wilhelm, Maryam Samieinasab, Young Won Kim, Eunna Huh, Jennifer Asmussen, Panagiotis Katsonis, Juan Botas, Olivier Lichtarge
Functional Variants Identify Sex-Specific Genes And Pathways In Alzheimer’S Disease, Minh Pham, Dillon Shapiro, Yashwanth Lagisetty, Shirin Soleimani, Samantha Mota, Kevin Wilhelm, Maryam Samieinasab, Young Won Kim, Eunna Huh, Jennifer Asmussen, Panagiotis Katsonis, Juan Botas, Olivier Lichtarge
Faculty, Staff and Students Publications
The incidence of Alzheimer's Disease in females is almost double that of males. To search for sex-specific gene associations, we build a machine learning approach focused on functionally impactful coding variants. This method can detect differences between sequenced cases and controls in small cohorts. In the Alzheimer's Disease Sequencing Project with mixed sexes, this approach identified genes enriched for immune response pathways. After sex-separation, genes become specifically enriched for stress-response pathways in male and cell-cycle pathways in female. These genes improve disease risk prediction in silico and modulate Drosophila neurodegeneration in vivo. Thus, a general approach for machine learning on …
Magnetic Resonance Image-Based Estimates Of Hepatic Blood Flow In Children With And Without Obesity; Implications For Physiologically-Based Pharmacokinetic Models, Yoon Cho, Sherwin S. Chan, Chance S. Friesen, Valentina Shakhnovich
Magnetic Resonance Image-Based Estimates Of Hepatic Blood Flow In Children With And Without Obesity; Implications For Physiologically-Based Pharmacokinetic Models, Yoon Cho, Sherwin S. Chan, Chance S. Friesen, Valentina Shakhnovich
Research Days
Background: Physiologically based pharmacokinetic models for simulating drug pharmacokinetics are useful to guide drug dosing for pediatric patients. Hepatic blood flow could be a useful variable to use in these models.
Objectives/Goal: In this study, we explored 2-D phase contrast non-invasive magnetic resonance imaging (MRI) to measure hepatic blood flow in children with and without obesity.
Methods/Design: In this IRB-approved study, we imaged pediatric patients with abdominal MRI with 2D phase contrast imaging of the descending aorta (AO) at the diaphragm, the inferior vena cava (IVC) at the right atrium, and inferior to hepatic drainage above the renal vein confluence …
Program (Pdf), Department Of Obstetrics & Gynecology
Program (Pdf), Department Of Obstetrics & Gynecology
Dept. of Obstetrics & Gynecology Resident Research Day
The 35th Annual LSU School of Medicine Department of Obstetrics & Gynecology Resident Research Day was held on Friday, May 12, 2023 at the Human Development Center (HDC).
The Keynote Speaker was Erin Teeter Carey, MD, MSCR.
8 oral presentations were included.
- Session Moderators
Session 1 - Obstetrics : Sarah Buzhardt, MD and Tabitha Quebedeaux, MD, PhD
Session 2 - Office Practice : Stacey Scheib, MD and La’Nasha Tanner, MD
Session 3 - Gynecology : Tara Castellano, MD and Neelima Sukhavasi, MD
Browse the attached program for schedule and abstracts.
Dynamic Role Of Exosome Micrornas In Cancer Cell Signaling And Their Emerging Role As Noninvasive Biomarkers, Jaya Aseervatham
Dynamic Role Of Exosome Micrornas In Cancer Cell Signaling And Their Emerging Role As Noninvasive Biomarkers, Jaya Aseervatham
Department of Neurology Faculty Papers
Exosomes are extracellular vesicles that originate from endosomes and are released by all cells irrespective of their origin or type. They play an important role in cell communication and can act in an autocrine, endocrine, or paracrine fashion. They are 40–150 nm in diameter and have a similar composition to the cell of origin. An exosome released by a particular cell is unique since it carries information about the state of the cell in pathological conditions such as cancer. miRNAs carried by cancer-derived exosomes play a multifaceted role by taking part in cell proliferation, invasion, metastasis, epithelial–mesenchymal transition, angiogenesis, apoptosis, …
Ethical Considerations Of Clinical Research In Emergency Care Settings: A Review, Adith Velavan
Ethical Considerations Of Clinical Research In Emergency Care Settings: A Review, Adith Velavan
Honors Scholar Theses
Emergency and acute care settings are some of the most volatile and high intensity areas of any healthcare operation. Better understanding of systems and treatments in these spaces are critical to improving outcomes for the high risk patients that are treated there. Clinical research serves as a cornerstone of modern medical research, and is critical to the further improvement of clinical care in these settings. This thesis serves to explore the ethicality of such research given the constraints of emergency medicine settings. Not only does this thesis provide a strong foundation regarding the history and current practices of clinical research, …
Clinical Characteristics And Survival Of Pulmonary Arterial Hypertension With Or Without Interstitial Lung Disease In Systemic Sclerosis, Joanne Sahhar, Kathleen Morrisroe, Diane Apostolopoulous, Nava Ferdowsi, Michelle Wilson, Maryam Tabesh, Wendy Stevens, Mandana Nikpour
Clinical Characteristics And Survival Of Pulmonary Arterial Hypertension With Or Without Interstitial Lung Disease In Systemic Sclerosis, Joanne Sahhar, Kathleen Morrisroe, Diane Apostolopoulous, Nava Ferdowsi, Michelle Wilson, Maryam Tabesh, Wendy Stevens, Mandana Nikpour
Faculty, Staff and Student Publications
Objectives
To describe the clinical phenotype and prognosis of people in the Australian Scleroderma (SSc) Cohort Study with pulmonary arterial hypertension (PAH) with or without interstitial lung disease (ILD).
Methods
Participants meeting ACR/EULAR criteria for SSc were divided into four mutually exclusive groups: those meeting criteria for PAH (PAH-only), ILD (ILD-only), concurrent PAH and ILD (PAH-ILD) or neither PAH nor ILD (SSc-only). Logistic or linear regression analyses were used for associations between clinical features, health-related quality of life (HRQoL) and physical function. Survival analysis was performed using Kaplan–Meier estimates and Cox-regression modelling.
Results
Of 1561 participants, 7% fulfilled criteria for …
Efficient Cancer Modeling Through Crispr-Cas9/Hdr-Based Somatic Precision Gene Editing In Mice, Yongchao Dou, Jazmin Urrutia, Wen Jiang, Fei Yue, Luyu Jia, Ahmed Atef Ibrahim, Bing Zhang, Shixia Huang, Yi Li
Efficient Cancer Modeling Through Crispr-Cas9/Hdr-Based Somatic Precision Gene Editing In Mice, Yongchao Dou, Jazmin Urrutia, Wen Jiang, Fei Yue, Luyu Jia, Ahmed Atef Ibrahim, Bing Zhang, Shixia Huang, Yi Li
Faculty, Staff and Student Publications
CRISPR-Cas9 has been used successfully to introduce indels in somatic cells of rodents; however, precise editing of single nucleotides has been hampered by limitations of flexibility and efficiency. Here, we report technological modifications to the CRISPR-Cas9 vector system that now allows homology-directed repair-mediated precise editing of any proto-oncogene in murine somatic tissues to generate tumor models with high flexibility and efficiency. Somatic editing of either
Pustular Psoriasis And The Potential Therapeutic Usage Of An Il-36 Receptor Monoclonal Antibody, Jeannel T. Miclat, Shafik Habal
Pustular Psoriasis And The Potential Therapeutic Usage Of An Il-36 Receptor Monoclonal Antibody, Jeannel T. Miclat, Shafik Habal
Research Day
Pustular psoriasis is an uncommon subtype of psoriasis that dramatically affects the quality of life of affected patients. Pustules can emerge anywhere along the trunk, limbs, soles, palms, and fingers, which debilitates the functionality of these appendages. Currently, there are no approved treatments for pustular psoriasis in the US; off-label usage of psoriasis vulgaris medications is usually prescribed. These treatments are insufficient for patients with difficult to manage or severe forms of pustular psoriasis. Psoriasis vulgaris biologic medications mainly target the IL-17 and IL-23 axis. However, novel clinical findings have demonstrated that pustular psoriasis’s central inflammatory axis depends on the …