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Articles 451 - 480 of 742
Full-Text Articles in Cell and Developmental Biology
Membrane Insertion For The Detection Of Lipopolysaccharides: Exploring The Dynamics Of Amphiphile-In-Lipid Assays, Loreen R. Stromberg, Nicolas W. Hengartner, Kirstie L. Swingle, Rodney A. Moxley, Steven W. Graves, Gabriel A. Montaño, Harshini Mukundan
Membrane Insertion For The Detection Of Lipopolysaccharides: Exploring The Dynamics Of Amphiphile-In-Lipid Assays, Loreen R. Stromberg, Nicolas W. Hengartner, Kirstie L. Swingle, Rodney A. Moxley, Steven W. Graves, Gabriel A. Montaño, Harshini Mukundan
School of Veterinary and Biomedical Sciences: Faculty Publications
Shiga toxin-producing Escherichia coli is an important cause of foodborne illness, with cases attributable to beef, fresh produce and other sources. Many serotypes of the pathogen cause disease, and differentiating one serotype from another requires specific identification of the O antigen located on the lipopolysaccharide (LPS) molecule. The amphiphilic structure of LPS poses a challenge when using classical detection methods, which do not take into account its lipoglycan biochemistry. Typically, detection of LPS requires heat or chemical treatment of samples and relies on bioactivity assays for the conserved lipid A portion of the molecule. Our goal was to develop assays …
Defining The Role Of Interferon Regulatory Factor 4 In Chronic Lymphocytic Leukemia., Vipul Shukla
Defining The Role Of Interferon Regulatory Factor 4 In Chronic Lymphocytic Leukemia., Vipul Shukla
Theses & Dissertations
Chronic Lymphocytic Leukemia (CLL) represents the most common adult leukemia in the Western hemisphere. Despite considerable progress in our current understanding of CLL, this disease remains incurable and the molecular events underlying the complex pathogenesis of CLL are not fully elucidated. Interferon Regulatory Factor 4 (IRF4) belongs to the IRF superfamily of transcription factors that has been shown to play critical roles at multiple stages of B cell development. Interestingly, a Genome Wide Association Study identified Single Nucleotide Polymorphism (SNP) mediated IRF4 down regulation, as a major predisposing genetic event during the development of CLL. However, whether low levels of …
Development Of A Novel Self-Propagating Prssv-Vsv G Hybrid Replicon As A Vector For Inducing Broad Prrsv Protection, Asit K. Pattnaik
Development Of A Novel Self-Propagating Prssv-Vsv G Hybrid Replicon As A Vector For Inducing Broad Prrsv Protection, Asit K. Pattnaik
School of Veterinary and Biomedical Sciences: Faculty Publications
Throughout successive cycles of Pork Check-off funding, our laboratories (Pattnaik’s and Osorio’s labs) have consistently produced new and fundamental information on: (i) the immunologic mechanisms that are important for protection against PRRSV infection, (ii) the structural basis for induction of PRRSV-neutralizing antibodies which are significant for conferring protective immunity, (iii) the possibility of producing a rationally-designed new generation DIVA vaccine that would offer more efficacious protection, and (iv) the presence of conserved B- and T-cell epitopes in the structural and nonstructural proteins (NSPs) of PRRSV.
Rac1 And Ire1 Are Required To Prevent Early Loss Of Intestinal Homeostasis In Drosophila Melanogaster, Mauricio M. Ortega
Rac1 And Ire1 Are Required To Prevent Early Loss Of Intestinal Homeostasis In Drosophila Melanogaster, Mauricio M. Ortega
Dissertations, Masters Theses, Capstones, and Culminating Projects
No abstract available
Immunomodulation Of Breast Cancer Cells For Whole Tumor Vaccination, Kristina G. Maxwell
Immunomodulation Of Breast Cancer Cells For Whole Tumor Vaccination, Kristina G. Maxwell
Biomedical Engineering Undergraduate Honors Theses
Hematogenous metastasis causes 90% of breast cancer-related deaths.Current therapies include chemotherapy and irradiation following surgery. These therapies are very harmful to the human body and do not elicit an anti-tumor immune response. To create a novel therapeutic, an autologous vaccine increasing the immunogenicity of non immunogenic breast cancer cell lines has been proposed.
To create this vaccine, 4T1 mouse mammary breast cancer cells have been selected as the desired cell line to treat. They are non immunogenic and highly invasive. In order to increase their immunogenicity, first projected, was the addition of cytokines to 4T1 cells to increase the expression …
Rerouting Pre-Existing Host Vaccine-Induced Immunity To Wards Breast Cancer, Bharat Kumar Reddy Chaganty
Rerouting Pre-Existing Host Vaccine-Induced Immunity To Wards Breast Cancer, Bharat Kumar Reddy Chaganty
Dissertations and Theses (Open Access)
For decades, investigators have attempted to activate the immune system to prevent cancer metastasis or recurrence; however, owing to host immune tolerance to cancer antigens and the immunosuppressive environment at tumor sites, many such attempts have failed. The recent success of anti-CTLA4, PD-L1 and PD-1 antibodies targeting immune checkpoint pathways and HPV vaccines has renewed hope that patient survival can be increased through enhancing T-cell responses. We propose to test a novel approach that may bypass host immune tolerance to cancer cells. We hypothesize that host T-cell immunity acquired through vaccination against or natural infection with infectious diseases—e.g., influenza—can be …
Poster: Embryonic Stem Cell Research, Emillie Partridge
Poster: Embryonic Stem Cell Research, Emillie Partridge
Best Integrated Writing
This poster presentation by Partridge provides information about stem cell research and the controversy surrounding it.
Identification And Characterization Of Ion Channel Activity Of The M2 Protein From Influenza Virus D (Dm2), Jianing Liu
Identification And Characterization Of Ion Channel Activity Of The M2 Protein From Influenza Virus D (Dm2), Jianing Liu
School of Biological Sciences: Dissertations, Theses, and Student Research
Viral ion channels are membrane proteins of influenza viruses that play essential roles in the replication cycle, which enables them to be targeted by antiviral drugs. M2 of influenza type A virus, BM2 of influenza type B virus, and CM2 from influenza type C virus have been characterized as ion channel proteins and antiviral drug amantadine was developed to control influenza type A virus. However, few studies have been conducted to clarify the properties of the M2 protein (DM2) of influenza type D virus, a novel influenza virus genus identified in 2014. To identify the ion channel activity of DM2, …
Comparison Of Interactive Voice Response (Ivr) With Paper Administration Of Instruments To Assess Functional Status, Sexual Function, And Quality Of Life In Elderly Men, Rc Rosen, Aj Stephens-Shields, Gr Cunningham, D Cifelli, D Cella, Jt Farrar, E Barrett-Connor, Ce Lewis, M Pahor, X Hou, Pj Snyder
Comparison Of Interactive Voice Response (Ivr) With Paper Administration Of Instruments To Assess Functional Status, Sexual Function, And Quality Of Life In Elderly Men, Rc Rosen, Aj Stephens-Shields, Gr Cunningham, D Cifelli, D Cella, Jt Farrar, E Barrett-Connor, Ce Lewis, M Pahor, X Hou, Pj Snyder
Faculty, Staff and Students Publications
PURPOSE: Patient-reported outcome (PRO) measures are essential for assessing subjective patient experiences. Interactive voice response (IVR) data collection provides advantages for clinical trial design by standardizing and centralizing the assessment. Prior to adoption of IVR as a mode of PRO administration in the Testosterone Trials (TTrials), we compared IVR to paper versions of the instruments to be used. METHODS: IVR versions of the FACIT-Fatigue scale and Psychosexual Daily Questionnaire, Question 4, were developed. In one pilot study, IVR versions of these scales were compared to paper versions in 25 men = 65 years at each of two clinical sites. In …
Explicit Time Deficit In Schizophrenia: Systematic Review And Meta-Analysis Indicate It Is Primary And Not Domain Specific, V Ciullo, G Spalletta, C Caltagirone, Re Jorge, F Piras
Explicit Time Deficit In Schizophrenia: Systematic Review And Meta-Analysis Indicate It Is Primary And Not Domain Specific, V Ciullo, G Spalletta, C Caltagirone, Re Jorge, F Piras
Faculty, Staff and Students Publications
Although timing deficits are a robust finding in schizophrenia (SZ), the notion of a genuine time perception disorder in SZ is still being debated because distortions in timing might depend on neuropsychological deficits that are characteristics of the illness. Here we used meta-analytic methods to summarize the evidence of timing deficits in SZ and moderator analyses to determine whether defective timing in SZ arises from nontemporal sources or from defective time perception. PubMed Services, PsycNET, and Scopus were searched through March 2015, and all references in articles were investigated to find other relevant studies. Studies were selected if they included …
Ct-Based Structural Rigidity Analysis Is More Accurate Than Mirels Scoring For Fracture Prediction In Metastatic Femoral Lesions, Ta Damron, A Nazarian, V Entezari, C Brown, W Grant, N Calderon, Et Al.
Ct-Based Structural Rigidity Analysis Is More Accurate Than Mirels Scoring For Fracture Prediction In Metastatic Femoral Lesions, Ta Damron, A Nazarian, V Entezari, C Brown, W Grant, N Calderon, Et Al.
Faculty, Staff and Students Publications
BACKGROUND: Controversy continues regarding the appropriate assessment of fracture risk in long bone lesions affected by disseminated malignancy. QUESTIONS/PURPOSES: The purpose of this ongoing Musculoskeletal Tumor Society-sponsored, multi-institutional prospective cross-sectional clinical study is to compare CT-based structural rigidity analysis (CTRA) with physician-derived Mirels scoring for predicting pathologic fracture in femoral bone lesions. We hypothesized CTRA would be superior to Mirels in predicting fracture risk within the first year based on (1) sensitivity, specificity, positive predictive value, and negative predictive value; (2) receiver operator characteristic (ROC) analysis; and (3) fracture prediction after controlling for potential confounding variables such as age and …
Eosinophilic Esophagitis In Children And Its Relationship With Parental Allergies: Texas Children's Hospital Experience, G Hiremath, D Byramji, A Pacheco, G Constantine, C Davis, R Shulman, A Olive
Eosinophilic Esophagitis In Children And Its Relationship With Parental Allergies: Texas Children's Hospital Experience, G Hiremath, D Byramji, A Pacheco, G Constantine, C Davis, R Shulman, A Olive
Faculty, Staff and Students Publications
BACKGROUND: Eosinophilic esophagitis (EoE) is an allergen-mediated, clinicopathological condition affecting all ages. The characteristics of children with EoE in the southwestern USA have not been fully described. Furthermore, very little is known about the relationship between parental allergies and risk of EoE in their offspring in this patient population. AIMS: To characterize children with EoE and to examine the relationship between prevalence of parental allergies and occurrence of EoE in their offspring at a single referral pediatric center in the southwestern USA. METHODS: Demographic and clinical information of 126 children (=18 years of age) with EoE was abstracted in a …
Efficacy Of Psychosocial Interventions In Inducing And Maintaining Alcohol Abstinence In Patients With Chronic Liver Disease: A Systematic Review, A Khan, A Tansel, Dl White, Wt Kayani, Wt Bano, J Lindsay, Hb El-Serag, F Kanwal
Efficacy Of Psychosocial Interventions In Inducing And Maintaining Alcohol Abstinence In Patients With Chronic Liver Disease: A Systematic Review, A Khan, A Tansel, Dl White, Wt Kayani, Wt Bano, J Lindsay, Hb El-Serag, F Kanwal
Faculty, Staff and Students Publications
BACKGROUND & AIMS: We conducted a systematic review of efficacy of psychosocial interventions in inducing or maintaining alcohol abstinence in patients with chronic liver disease (CLD) and alcohol use disorder (AUD). METHODS: We performed structured keyword searches in PubMed, PsychINFO, and MEDLINE for original research articles that were published from January 1983 through November 2014 that evaluated the use of psychosocial interventions to induce or maintain alcohol abstinence in patients with CLD and AUD. RESULTS: We identified 13 eligible studies that comprised 1945 patients; 5 were randomized controlled trials (RCTs). Delivered therapies included motivational enhancement therapy, cognitive behavioral therapy (CBT), …
Glial Contributions To Neural Function And Disease, Mn Rasband
Glial Contributions To Neural Function And Disease, Mn Rasband
Faculty, Staff and Students Publications
The nervous system consists of neurons and glial cells. Neurons generate and propagate electrical and chemical signals, whereas glia function mainly to modulate neuron function and signaling. Just as there are many different kinds of neurons with different roles, there are also many types of glia that perform diverse functions. For example, glia make myelin; modulate synapse formation, function, and elimination; regulate blood flow and metabolism; and maintain ionic and water homeostasis to name only a few. Although proteomic approaches have been used extensively to understand neurons, the same cannot be said for glia. Importantly, like neurons, glial cells have …
Early Rescue Of Interneuron Disease Trajectory In Developmental Epilepsies, Ms Siehr, Jl Noebels
Early Rescue Of Interneuron Disease Trajectory In Developmental Epilepsies, Ms Siehr, Jl Noebels
Faculty, Staff and Students Publications
The discovery of over 150 monogenic epilepsies and advances in early genetic diagnoses have launched a search for molecular strategies and developmental timetables to reverse or even prevent the course of these debilitating brain disorders. Orthologous rodent models of key disease genes are providing important examples of the range of targets, and serve as valuable test systems for perinatal therapeutic approaches. While gene-specific analyses of single rare 'orphan' diseases are each narrow in scope, they illuminate downstream pathways converging onto interneurons, and treatments that strengthen inhibition during cortical maturation may provide broad protection against these seemingly disparate gene errors. Several …
Automated Assessment Of Disease Progression In Acute Myeloid Leukemia By Probabilistic Analysis Of Flow Cytometry Data, Bartek Rajwa, Paul K. Wallace, Elizabeth A. Griffiths, Murat Dundar
Automated Assessment Of Disease Progression In Acute Myeloid Leukemia By Probabilistic Analysis Of Flow Cytometry Data, Bartek Rajwa, Paul K. Wallace, Elizabeth A. Griffiths, Murat Dundar
Bindley Publications
Objective: Flow cytometry (FC) is a widely acknowledged technology in diagnosis of acute myeloid leukemia (AML) and has been indispensable in determining progression of the disease. Although FC plays a key role as a post-therapy prognosticator and evaluator of therapeutic efficacy, the manual analysis of cytometry data is a barrier to optimization of reproducibility and objectivity. This study investigates the utility of our recently introduced non-parametric Bayesian framework in accurately predicting the direction of change in disease progression in AML patients using FC data. Methods: The highly flexible non-parametric Bayesian model based on the infinite mixture of infinite Gaussian …
The Pseudorabies Virus Protein, Pul56, Enhances Virus Dissemination And Virulence But Is Dispensable For Axonal Transport, Gina R. Daniel, Patricia J. Sollars, Gary E. Pickard, Gregory A. Smith
The Pseudorabies Virus Protein, Pul56, Enhances Virus Dissemination And Virulence But Is Dispensable For Axonal Transport, Gina R. Daniel, Patricia J. Sollars, Gary E. Pickard, Gregory A. Smith
School of Veterinary and Biomedical Sciences: Faculty Publications
Neurotropic herpesviruses exit the peripheral nervous system and return to exposed body surfaces following reactivation from latency. The pUS9 protein is a critical viral effector of the anterograde axonal transport that underlies this process. We recently reported that while pUS9 increases the frequency of sorting of newly assembled pseudorabies virus particles to axons from the neural soma during egress, subsequent axonal transport of individual virus particles occurs with wild-type kinetics in the absence of the protein. Here, we examine the role of a related pseudorabies virus protein, pUL56, during neuronal infection. The findings indicate that pUL56 is a virulence factor …
Large Genomic Differences Between Moraxella Bovoculi Isolates Acquired From The Eyes Of Cattle With Infectious Bovine Keratoconjunctivitis Versus The Deep Nasopharynx Of Asymptomatic Cattle, Aaron M. Dickey, John D. Loy, James L. Bono, Timonthy P. L. Smith, Mike D. Apley, Brian V. Lubbers, Keith D. Dedonder, Sarah F. Capik, Robert L. Larson, Brad J. White, Jochen Blom, Carol G. Chitko-Mckown, Michael L. Clawson
Large Genomic Differences Between Moraxella Bovoculi Isolates Acquired From The Eyes Of Cattle With Infectious Bovine Keratoconjunctivitis Versus The Deep Nasopharynx Of Asymptomatic Cattle, Aaron M. Dickey, John D. Loy, James L. Bono, Timonthy P. L. Smith, Mike D. Apley, Brian V. Lubbers, Keith D. Dedonder, Sarah F. Capik, Robert L. Larson, Brad J. White, Jochen Blom, Carol G. Chitko-Mckown, Michael L. Clawson
School of Veterinary and Biomedical Sciences: Faculty Publications
Moraxella bovoculi is a recently described bacterium that is associated with infectious bovine keratoconjunctivitis (IBK) or “pinkeye” in cattle. In this study, closed circularized genomes were generated for seven M. bovoculi isolates: three that originated from the eyes of clinical IBK bovine cases and four from the deep nasopharynx of asymptomatic cattle. Isolates that originated from the eyes of IBK cases profoundly differed from those that originated from the nasopharynx of asymptomatic cattle in genome structure, gene content and polymorphism diversity and consequently placed into two distinct phylogenetic groups. These results suggest that there are genetically distinct strains of M. …
Killer-Cell Immunoglobulin-Like Receptor (Kir) Gene Profiles Modify Hiv Disease Course, Not Hiv Acquisition In South African Women, V. Naranbhai, D. De Assis Rosa, L. Werner, R. Moodley, H. Hong, A. Kharsany, K. Mlisana, S. Sibeko, N. Garrett, D. Chopera, William H. Carr, Q. Abdool Karim, A. V. S. Hill, S. S. Abdool Karim, M. Altfeld, C. M. Gray, T. Ndung’U
Killer-Cell Immunoglobulin-Like Receptor (Kir) Gene Profiles Modify Hiv Disease Course, Not Hiv Acquisition In South African Women, V. Naranbhai, D. De Assis Rosa, L. Werner, R. Moodley, H. Hong, A. Kharsany, K. Mlisana, S. Sibeko, N. Garrett, D. Chopera, William H. Carr, Q. Abdool Karim, A. V. S. Hill, S. S. Abdool Karim, M. Altfeld, C. M. Gray, T. Ndung’U
Publications and Research
Background: Killer-cell Immunoglobulin-like Receptors(KIR) interact with Human Leukocyte Antigen(HLA) to modify natural killer- and T-cell function. KIR are implicated in HIV acquisition by small studies that have not been widely replicated. A role for KIR in HIV disease progression is more widely replicated and supported by functional studies.
Methods: To assess the role of KIR and KIR ligands in HIV acquisition and disease course, we studied at-risk women in South Africa between 2004–2010. Logistic regression was used for nested case–control analysis of 154 women who acquired vs. 155 who did not acquire HIV, despite high exposure. Linear mixed-effects models were …
Presence Of Pathogenic Escherichia Coli Is Correlated With Bacterial Community Diversity And Composition On Pre-Harvest Cattle Hides, Jessica Chopyk, Ryan M. Moore, Zachary Dispirito, Zachary R. Stromberg, Gentry L. Lewis, David G. Renter, Natalia Cernicchiaro, Rodney A. Moxley, K. Eric Wommack
Presence Of Pathogenic Escherichia Coli Is Correlated With Bacterial Community Diversity And Composition On Pre-Harvest Cattle Hides, Jessica Chopyk, Ryan M. Moore, Zachary Dispirito, Zachary R. Stromberg, Gentry L. Lewis, David G. Renter, Natalia Cernicchiaro, Rodney A. Moxley, K. Eric Wommack
School of Veterinary and Biomedical Sciences: Faculty Publications
Background: Since 1982, specific serotypes of Shiga toxin-producing Escherichia coli (STEC) have been recognized as significant foodborne pathogens acquired from contaminated beef and, more recently, other food products. Cattle are the major reservoir hosts of these organisms, and while there have been advancements in food safety practices and industry standards, STEC still remains prevalent within beef cattle operations with cattle hides implicated as major sources of carcass contamination. To investigate whether the composition of hide-specific microbial communities are associated with STEC prevalence, 16S ribosomal RNA (rRNA) bacterial community profiles were obtained from hide and fecal samples collected from a large …
Prevalence And Level Of Enterohemorrhagic Escherichia Coli In Culled Dairy Cows At Harvest, Zachary R. Stromberg, Gentry L. Lewis, Sharif S. Aly, Terry W. Lehenbauer, Joseph M. Bosilevac, Natalia Cernicchiaro, Rodney A. Moxley
Prevalence And Level Of Enterohemorrhagic Escherichia Coli In Culled Dairy Cows At Harvest, Zachary R. Stromberg, Gentry L. Lewis, Sharif S. Aly, Terry W. Lehenbauer, Joseph M. Bosilevac, Natalia Cernicchiaro, Rodney A. Moxley
School of Veterinary and Biomedical Sciences: Faculty Publications
The primary objective of this study was to determine the prevalence and level of enterohemorrhagic Escherichia coli (EHEC) O26, O45, O103, O111, O121, and O145 (collectively EHEC-6) plus EHEC O157 in fecal, hide, and preintervention carcass surface samples from culled dairy cows. Matched samples (n=300) were collected from 100 cows at harvest and tested by a culture-based method and two molecular methods: NeoSEEK STEC (NS) and Atlas STEC EG2 Combo. Both the culture and NS methods can be used to discriminate among the seven EHEC types (EHEC-7), from which the cumulative prevalence was inferred, whereas the Atlas method can discriminate …
Autoimmunity In Picornavirus Infections, Chandirasegara Massilamany, Andreas Koenig, Jay Reddy, Sally Huber, Iwona Buskiewicz
Autoimmunity In Picornavirus Infections, Chandirasegara Massilamany, Andreas Koenig, Jay Reddy, Sally Huber, Iwona Buskiewicz
School of Veterinary and Biomedical Sciences: Faculty Publications
Enteroviruses are small, non-enveloped, positive-sense singlestrand RNA viruses, and are ubiquitously found throughout the world. These viruses usually cause asymptomatic or mild febrile illnesses, but have a propensity to induce severe diseases including type 1 diabetes and pancreatitis, paralysis and neuroinflammatory disease, myocarditis, or hepatitis. This pathogenicity may result from induction of autoimmunity to organ-specific antigens. While enterovirus-triggered autoimmunity can arise from multiple mechanisms including antigenic mimicry and release of sequestered antigens, the recent demonstration of T cells expressing dual T cell receptors arising as a natural consequence of Theiler’s virus infection is the first demonstration of this autoimmune mechanism.
Genome-Wide Search For Host Association Factors During Ovine Progressive Pneumonia Virus Infection, Jesse Thompson, Fangrui Ma, Meghan Quinn, Shi-Hua Xiang
Genome-Wide Search For Host Association Factors During Ovine Progressive Pneumonia Virus Infection, Jesse Thompson, Fangrui Ma, Meghan Quinn, Shi-Hua Xiang
School of Veterinary and Biomedical Sciences: Faculty Publications
Ovine progressive pneumonia virus (OPPV) is an important virus that causes serious diseases in sheep and goats with a prevalence of 36% in the USA. Although OPPV was discovered more than half of a century ago, little is known about the infection and pathogenesis of this virus. In this report, we used RNA-seq technology to conduct a genome-wide probe for cellular factors that are associated with OPPV infection. A total of approximately 22,000 goat host genes were detected of which 657 were found to have been significantly up-regulated and 889 down-regulated at 12 hours post-infection. In addition to previously known …
Guidelines For The Use And Interpretation Of Assays For Monitoring Autophagy (3rd Edition), Daniel J. Klionsky, Rodrigo Franco, More Than 2,000 Co-Authors
Guidelines For The Use And Interpretation Of Assays For Monitoring Autophagy (3rd Edition), Daniel J. Klionsky, Rodrigo Franco, More Than 2,000 Co-Authors
School of Veterinary and Biomedical Sciences: Faculty Publications
In 2008 we published the first set of guidelines for standardizing research in autophagy. Since then, research on this topic has continued to accelerate, and many new scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Accordingly, it is important to update these guidelines for monitoring autophagy in different organisms. Various reviews have described the range of assays that have been used for this purpose. Nevertheless, there continues to be confusion regarding acceptable methods to measure autophagy, especially in multicellular eukaryotes.
For example, a key point that needs to be emphasized is that …
From Crystal Structure Of Α-Conotoxin Gic In Complex With Ac-Achbp To Molecular Determinants Of Its High Selectivity For Α3Β2 Nachr, Bo Lin, Manyu Xu, Xiaopeng Zhu, Yong Wu, Xi Liu, Dongting Zhangsun, Yuanyan Hu, Shi-Hua Xiang, Igor E. Kasheverov, Victor I. Tsetlin, Xinquan Wang, Sulan Luo
From Crystal Structure Of Α-Conotoxin Gic In Complex With Ac-Achbp To Molecular Determinants Of Its High Selectivity For Α3Β2 Nachr, Bo Lin, Manyu Xu, Xiaopeng Zhu, Yong Wu, Xi Liu, Dongting Zhangsun, Yuanyan Hu, Shi-Hua Xiang, Igor E. Kasheverov, Victor I. Tsetlin, Xinquan Wang, Sulan Luo
School of Veterinary and Biomedical Sciences: Faculty Publications
Acetylcholine binding proteins (AChBPs) are unique spatial homologs of the ligand-binding domains of nicotinic acetylcholine receptors (nAChRs), and they reproduce some pharmacological properties of nAChRs. X-ray crystal structures of AСhBP in complex with α-conotoxins provide important insights into the interactions of α-conotoxins with distinct nAChR subtypes. Although considerable efforts have been made to understand why α-conotoxin GIC is strongly selective for α3β2 nAChR, this question has not yet been solved. Here we present the structure of α-conotoxin GIC in complex with Aplysia californica AChBP (Ac-AChBP) at a resolution of 2.1 Å. Based on this co-crystal structure complemented with molecular docking …
From Crystal Structure Of Α-Conotoxin Gic In Complex With Ac-Achbp To Molecular Determinants Of Its High Selectivity For Α3Β2 Nachr, Bo Lin, Manyu Xu, Xiaopeng Zhu, Yong Wu, Xi Liu, Dongting Zhangsun, Yuanyan Hu, Shi-Hua Xiang, Igor E. Kasheverov, Victor I. Tsetlin, Xianquan Wang, Sulan Luo
From Crystal Structure Of Α-Conotoxin Gic In Complex With Ac-Achbp To Molecular Determinants Of Its High Selectivity For Α3Β2 Nachr, Bo Lin, Manyu Xu, Xiaopeng Zhu, Yong Wu, Xi Liu, Dongting Zhangsun, Yuanyan Hu, Shi-Hua Xiang, Igor E. Kasheverov, Victor I. Tsetlin, Xianquan Wang, Sulan Luo
School of Veterinary and Biomedical Sciences: Faculty Publications
Acetylcholine binding proteins (AChBPs) are unique spatial homologs of the ligand-binding domains of nicotinic acetylcholine receptors (nAChRs), and they reproduce some pharmacological properties of nAChRs. X-ray crystal structures of AСhBP in complex with α-conotoxins provide important insights into the interactions of α-conotoxins with distinct nAChR subtypes. Although considerable efforts have been made to understand why α-conotoxin GIC is strongly selective for α3β2 nAChR, this question has not yet been solved. Here we present the structure of α-conotoxin GIC in complex with Aplysia californica AChBP (Ac-AChBP) at a resolution of 2.1 Å. Based on this co-crystal structure complemented with molecular docking …
A Synthetic Porcine Reproductive And Respiratory Syndrome Unprecedented Levels Of Heterologous Protection, Hiep Vu, Fangrui Ma, William W. Laegreid, Asit K. Pattnaik, David Steffen, Alan R. Doster, Fernando A. Osorio
A Synthetic Porcine Reproductive And Respiratory Syndrome Unprecedented Levels Of Heterologous Protection, Hiep Vu, Fangrui Ma, William W. Laegreid, Asit K. Pattnaik, David Steffen, Alan R. Doster, Fernando A. Osorio
School of Veterinary and Biomedical Sciences: Faculty Publications
Current vaccines do not provide sufficient levels of protection against divergent porcine reproductive and respiratory syndrome virus (PRRSV) strains circulating in the field, mainly due to the substantial variation of the viral genome. We describe here a novel approach to generate a PRRSV vaccine candidate that could confer unprecedented levels of heterologous protection against divergent PRRSV isolates. Using a set of 59 non-redundant, full genome sequences of type-2 PRRSV, a consensus genome (designated as PRRSV-CON) was these 59 PRRSV full genome sequences, followed by selecting the most common nucleotide found at each position of the alignment. Next, the synthetic PRRSV-CON …
Overview Of Rhabdo- And Filoviruses, Asit K. Pattnaik, Michael A. Whitt
Overview Of Rhabdo- And Filoviruses, Asit K. Pattnaik, Michael A. Whitt
School of Veterinary and Biomedical Sciences: Faculty Publications
Enveloped viruses with a negative-sense, single-stranded monopartite RNA genome have been classified into the order Mononegavirales. Five families of viruses that constitute the order are: Rhabdoviridae, Filoviridae, Paramyxoviridae, Bornaviridae and Nyamiviridae. Members of these families possess a helical nucleocapsid core containing the viral genome and a host-derived lipid envelope containing viral proteins. This introductory chapter provides a brief overview of the Rhabdoviridae and the Filoviridae, the two families of viruses that are the subject of this book. Many members of these two families are highly significant human and animal pathogens. The rationale and goal of the book is to …
On And Off Retinal Ganglion Cells Differentially Regulate Serotonergic And Gabaergic Activity In The Dorsal Raphe Nucleus, Ting Zhang, Lu Huang, Li Zhang, Minjie Tan, Mingliang Pu, Gary E. Pickard, Kwok -Fai So, Chaoran Ren
On And Off Retinal Ganglion Cells Differentially Regulate Serotonergic And Gabaergic Activity In The Dorsal Raphe Nucleus, Ting Zhang, Lu Huang, Li Zhang, Minjie Tan, Mingliang Pu, Gary E. Pickard, Kwok -Fai So, Chaoran Ren
School of Veterinary and Biomedical Sciences: Faculty Publications
The dorsal raphe nucleus (DRN), the major source of serotonergic input to the forebrain, receives excitatory input from the retina that can modulate serotonin levels and depressive-like behavior. In the Mongolian gerbil, retinal ganglion cells (RGCs) with alpha-like morphological and Y-like physiological properties innervate the DRN with ON DRN-projecting RGCs out numbering OFF DRN-projecting RGCs. The DRN neurons targeted by ON and OFF RGCs are unknown. To explore retino-raphe anatomical organization, retinal afferents labeled with Cholera toxin B were examined for association with the postsynaptic protein PSD-95. Synaptic associations between retinal afferents and DRN serotonergic and GABAergic neurons were observed. …
Whole Genomic Sequence Analysis Of Bacillus Infantis: Defining The Genetic Blueprint Of Strain Nrrl B-14911, An Emerging Cardiopathogenic Microbe, Chandirasegara Massilamany, Akram Mohammed, John Dustin Loy, Tanya Purvis, Bharathi Krishnan, Rakesh H. Basavalingappa, Christy M. Kelley, Chittibabu Guda, Raúl G. Barletta, Etsuko N. Moriyama, Timothy P.L. Smith, Jay Reddy
Whole Genomic Sequence Analysis Of Bacillus Infantis: Defining The Genetic Blueprint Of Strain Nrrl B-14911, An Emerging Cardiopathogenic Microbe, Chandirasegara Massilamany, Akram Mohammed, John Dustin Loy, Tanya Purvis, Bharathi Krishnan, Rakesh H. Basavalingappa, Christy M. Kelley, Chittibabu Guda, Raúl G. Barletta, Etsuko N. Moriyama, Timothy P.L. Smith, Jay Reddy
School of Veterinary and Biomedical Sciences: Faculty Publications
Background: We recently reported the identification of Bacillus sp. NRRL B-14911 that induces heart autoimmunity by generating cardiac-reactive T cells through molecular mimicry. This marine bacterium was originally isolated from the Gulf of Mexico, but no associations with human diseases were reported. Therefore, to characterize its biological and medical significance, we sought to determine and analyze the complete genome sequence of Bacillus sp. NRRL B-14911.
Results: Based on the phylogenetic analysis of 16S ribosomal RNA (rRNA) genes, sequence analysis of the 16S-23S rDNA intergenic transcribed spacers, phenotypic microarray, and matrix-assisted laser desorption ionization time-offlight mass spectrometry, we propose that this …