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C/D-Box Snornas Form Methylating And Non-Methylating Ribonucleoprotein Complexes: Old Dogs Show New Tricks, Marina Falaleeva, Justin R. Welden, Marilyn J. Duncan, Stefan Stamm Jun 2017

C/D-Box Snornas Form Methylating And Non-Methylating Ribonucleoprotein Complexes: Old Dogs Show New Tricks, Marina Falaleeva, Justin R. Welden, Marilyn J. Duncan, Stefan Stamm

Molecular and Cellular Biochemistry Faculty Publications

C/D box snoRNAs (SNORDs) are an abundantly expressed class of short, non‐coding RNAs that have been long known to perform 2′‐O‐methylation of rRNAs. However, approximately half of human SNORDs have no predictable rRNA targets, and numerous SNORDs have been associated with diseases that show no defects in rRNAs, among them Prader‐Willi syndrome, Duplication 15q syndrome and cancer. This apparent discrepancy has been addressed by recent studies showing that SNORDs can act to regulate pre‐mRNA alternative splicing, mRNA abundance, activate enzymes, and be processed into shorter ncRNAs resembling miRNAs and piRNAs. Furthermore, recent biochemical studies have shown that a given SNORD …


Modulation Of Bax And Mtor For Cancer Therapeutics., Rui Li, Chunyong Ding, Jun Zhang, Maohua Xie, Dongkyoo Park, Ye Ding, Guo Chen, Guojing Zhang, Melissa Gilbert-Ross, Wei Zhou, Adam I Marcus, Shi-Yong Sun, Zhuo G Chen, Gabriel L Sica, Suresh S Ramalingam, Andrew T Magis, Haian Fu, Fadlo R Khuri, Walter J Curran, Taofeek K Owonikoko, Dong M Shin, Jia Zhou, Xingming Deng Jun 2017

Modulation Of Bax And Mtor For Cancer Therapeutics., Rui Li, Chunyong Ding, Jun Zhang, Maohua Xie, Dongkyoo Park, Ye Ding, Guo Chen, Guojing Zhang, Melissa Gilbert-Ross, Wei Zhou, Adam I Marcus, Shi-Yong Sun, Zhuo G Chen, Gabriel L Sica, Suresh S Ramalingam, Andrew T Magis, Haian Fu, Fadlo R Khuri, Walter J Curran, Taofeek K Owonikoko, Dong M Shin, Jia Zhou, Xingming Deng

Articles, Abstracts, and Reports

A rationale exists for pharmacologic manipulation of the serine (S)184 phosphorylation site of the proapoptotic Bcl2 family member Bax as an anticancer strategy. Here, we report the refinement of the Bax agonist SMBA1 to generate CYD-2-11, which has characteristics of a suitable clinical lead compound. CYD-2-11 targeted the structural pocket proximal to S184 in the C-terminal region of Bax, directly activating its proapoptotic activity by inducing a conformational change enabling formation of Bax homooligomers in mitochondrial membranes. In murine models of small-cell and non-small cell lung cancers, including patient-derived xenograft and the genetically engineered mutant KRAS-driven lung cancer models, CYD-2-11 …


Variation In Dna Methylation Is Not Consistently Reflected By Sociality In Hymenoptera, Karl M. Glastad, Samuel V. Arsenault, Kim L. Vertacnik, Scott M. Geib, Sasha Kay, Bryan N. Danforth, Sandra M. Rehan, Catherine R. Linnen, Sarah D. Kocher, Brendan G. Hunt Jun 2017

Variation In Dna Methylation Is Not Consistently Reflected By Sociality In Hymenoptera, Karl M. Glastad, Samuel V. Arsenault, Kim L. Vertacnik, Scott M. Geib, Sasha Kay, Bryan N. Danforth, Sandra M. Rehan, Catherine R. Linnen, Sarah D. Kocher, Brendan G. Hunt

Biology Faculty Publications

Changes in gene regulation that underlie phenotypic evolution can be encoded directly in the DNA sequence or mediated by chromatin modifications such as DNA methylation. It has been hypothesized that the evolution of eusocial division of labor is associated with enhanced gene regulatory potential, which may include expansions in DNA methylation in the genomes of Hymenoptera (bees, ants, wasps, and sawflies). Recently, this hypothesis garnered support from analyses of a commonly used metric to estimate DNA methylation in silico, CpG content. Here, we test this hypothesis using direct, nucleotide-level measures of DNA methylation across nine species of Hymenoptera. In doing …


Zinc Transporters Ybtx And Znuabc Are Required For The Virulence Of Yersinia Pestis In Bubonic And Pneumonic Plague In Mice, Alexander G. Bobrov, Olga Kirillina, Marina Y. Fosso, Jacqueline D. Fetherston, M. Clarke Miller, Tiva T. Vancleave, Joseph A. Burlison, William K. Arnold, Matthew B. Lawrenz, Sylvie Garneau-Tsodikova, Robert D. Perry Jun 2017

Zinc Transporters Ybtx And Znuabc Are Required For The Virulence Of Yersinia Pestis In Bubonic And Pneumonic Plague In Mice, Alexander G. Bobrov, Olga Kirillina, Marina Y. Fosso, Jacqueline D. Fetherston, M. Clarke Miller, Tiva T. Vancleave, Joseph A. Burlison, William K. Arnold, Matthew B. Lawrenz, Sylvie Garneau-Tsodikova, Robert D. Perry

Microbiology, Immunology, and Molecular Genetics Faculty Publications

A number of bacterial pathogens require the ZnuABC Zinc (Zn2+) transporter and/or a second Zn2+ transport system to overcome Zn2+ sequestration by mammalian hosts. Previously we have shown that in addition to ZnuABC, Yersinia pestis possesses a second Zn2+ transporter that involves components of the yersiniabactin (Ybt), siderophore-dependent iron transport system. Synthesis of the Ybt siderophore and YbtX, a member of the major facilitator superfamily, are both critical components of the second Zn2+ transport system. Here we demonstrate that a ybtX znu double mutant is essentially avirulent in mouse models of bubonic and pneumonic …


Peripheral Administration Of The Soluble Tnf Inhibitor Xpro1595 Modifies Brain Immune Cell Profiles, Decreases Beta-Amyloid Plaque Load, And Rescues Impaired Long-Term Potentiation In 5xfad Mice, Kathryn P. Macpherson, Pradoldej Sompol, George T. Kannarkat, Jianjun Chang, Lindsey Sniffen, Mary E. Wildner, Christopher M. Norris, Malú G. Tansey Jun 2017

Peripheral Administration Of The Soluble Tnf Inhibitor Xpro1595 Modifies Brain Immune Cell Profiles, Decreases Beta-Amyloid Plaque Load, And Rescues Impaired Long-Term Potentiation In 5xfad Mice, Kathryn P. Macpherson, Pradoldej Sompol, George T. Kannarkat, Jianjun Chang, Lindsey Sniffen, Mary E. Wildner, Christopher M. Norris, Malú G. Tansey

Sanders-Brown Center on Aging Faculty Publications

Clinical and animal model studies have implicated inflammation and peripheral immune cell responses in the pathophysiology of Alzheimer’s disease (AD). Peripheral immune cells including T cells circulate in the cerebrospinal fluid (CSF) of healthy adults and are found in the brains of AD patients and AD rodent models. Blocking entry of peripheral macrophages into the CNS was reported to increase amyloid burden in an AD mouse model. To assess inflammation in the 5xFAD (Tg) mouse model, we first quantified central and immune cell profiles in the deep cervical lymph nodes and spleen. In the brains of Tg mice, activated (MHCII …


Crispr Knockout Of The Hur Gene Causes A Xenograft Lethal Phenotype., Shruti Lal, Edwin C, Cheung, Mahsa Zarei, Ranjan Preet, Saswati N. Chand, Nicole C. Mambelli-Lisboa, Carmella Romeo, Matthew C. Stout, Eric Londin, Austin Goetz, Cinthya Y. Lowder, Avinoam Nevler, Charles Yeo, Paul M. Campbell, Jordan M. Winter, Dan A. Dixon, Jonathan Brody Jun 2017

Crispr Knockout Of The Hur Gene Causes A Xenograft Lethal Phenotype., Shruti Lal, Edwin C, Cheung, Mahsa Zarei, Ranjan Preet, Saswati N. Chand, Nicole C. Mambelli-Lisboa, Carmella Romeo, Matthew C. Stout, Eric Londin, Austin Goetz, Cinthya Y. Lowder, Avinoam Nevler, Charles Yeo, Paul M. Campbell, Jordan M. Winter, Dan A. Dixon, Jonathan Brody

Department of Surgery Faculty Papers

Pancreatic ductal adenocarcinoma (PDA) is the third leading cause of cancer-related deaths in the United States, whereas colorectal cancer is the third most common cancer. The RNA-binding protein HuR (ELAVL1) supports a pro-oncogenic network in gastrointestinal (GI) cancer cells through enhanced HuR expression. Using a publically available database, HuR expression levels were determined to be increased in primary PDA and colorectal cancer tumor cohorts as compared with normal pancreas and colon tissues, respectively. CRISPR/Cas9 technology was successfully used to delete the HuR gene in both PDA (MIA PaCa-2 and Hs 766T) and colorectal cancer (HCT116) cell lines. HuR deficiency has …


Postoperative Atrial Fibrillation: The Role Of The Inflammatory Response, Yosuke Ishii, Richard B Schuessler, Sydney L Gaynor, Kiyomi Hames, Ralph J Damiano Jun 2017

Postoperative Atrial Fibrillation: The Role Of The Inflammatory Response, Yosuke Ishii, Richard B Schuessler, Sydney L Gaynor, Kiyomi Hames, Ralph J Damiano

Open Access Publications

OBJECTIVE: Abnormal atrial conduction has been shown to be a substrate for postoperative atrial fibrillation (POAF). This study aimed to determine the relationship between the location of the atrial reentry responsible for POAF, and degree of atrial inflammation.

METHODS: Normal mongrel dogs (n = 18) were divided into 3 groups: anesthesia alone (anesthesia), lateral right atriotomy (atriotomy), and lateral right atriotomy with anti-inflammatory therapy (steroid). Conduction properties of the right and left atria (RA and LA) were examined 3 days postoperatively by mapping. Activation was observed during burst pacing-induced AF. The RA and LA myeloperoxidase activity was measured to quantitate …


Simulating Within-Vector Generation Of The Malaria Parasite Diversity, Lauren M. Childs, Olivia F. Prosper May 2017

Simulating Within-Vector Generation Of The Malaria Parasite Diversity, Lauren M. Childs, Olivia F. Prosper

Mathematics Faculty Publications

Plasmodium falciparum, the most virulent human malaria parasite, undergoes asexual reproduction within the human host, but reproduces sexually within its vector host, the Anopheles mosquito. Consequently, the mosquito stage of the parasite life cycle provides an opportunity to create genetically novel parasites in multiply-infected mosquitoes, potentially increasing parasite population diversity. Despite the important implications for disease transmission and malaria control, a quantitative mapping of how parasite diversity entering a mosquito relates to diversity of the parasite exiting, has not been undertaken. To examine the role that vector biology plays in modulating parasite diversity, we develop a two-part model framework …


A Consensus Definitive Classification Of Scavenger Receptors And Their Roles In Health And Disease, Mercy R Prabhudas, Cynthia L Baldwin, Paul L Bollyky, Dawn M E Bowdish, Kurt Drickamer, Maria Febbraio, Joachim Herz, Lester Kobzik, Monty Krieger, John Loike, Benita Mcvicker, Terry K Means, Soren K Moestrup, Steven R Post, Tatsuya Sawamura, Samuel Silverstein, Robert Charles Speth, Janice C Telfer, Geoffrey M Thiele, Xiang-Yang Wang, Samuel D Wright, Joseph El Khoury May 2017

A Consensus Definitive Classification Of Scavenger Receptors And Their Roles In Health And Disease, Mercy R Prabhudas, Cynthia L Baldwin, Paul L Bollyky, Dawn M E Bowdish, Kurt Drickamer, Maria Febbraio, Joachim Herz, Lester Kobzik, Monty Krieger, John Loike, Benita Mcvicker, Terry K Means, Soren K Moestrup, Steven R Post, Tatsuya Sawamura, Samuel Silverstein, Robert Charles Speth, Janice C Telfer, Geoffrey M Thiele, Xiang-Yang Wang, Samuel D Wright, Joseph El Khoury

Faculty Articles

Scavenger receptors constitute a large family of proteins that are structurally diverse and participate in a wide range of biological functions. These receptors are expressed predominantly by myeloid cells and recognize a diverse variety of ligands including endogenous and modified host-derived molecules and microbial pathogens. There are currently eight classes of scavenger receptors, many of which have multiple names, leading to inconsistencies and confusion in the literature. To address this problem, a workshop was organized by the United States National Institute of Allergy and Infectious Diseases, National Institutes of Health, to help develop a clear definition of scavenger receptors and …


The Effects Of Nicotine In The Neonatal Quinpirole Rodent Model Of Psychosis: Neural Plasticity Mechanisms And Nicotinic Receptor Changes, Daniel J. Peterson, W. Drew Gill, John M. Dose, Donald B. Hoover, James R. Pauly, Elizabeth D. Cummins, Katherine C. Burgess, Russell W. Brown May 2017

The Effects Of Nicotine In The Neonatal Quinpirole Rodent Model Of Psychosis: Neural Plasticity Mechanisms And Nicotinic Receptor Changes, Daniel J. Peterson, W. Drew Gill, John M. Dose, Donald B. Hoover, James R. Pauly, Elizabeth D. Cummins, Katherine C. Burgess, Russell W. Brown

Pharmaceutical Sciences Faculty Publications

Neonatal quinpirole (NQ) treatment to rats increases dopamine D2 receptor sensitivity persistent throughout the animal’s lifetime. In Experiment 1, we analyzed the role of α7 and α4β2 nicotinic receptors (nAChRs) in nicotine behavioral sensitization and on the brain-derived neurotrophic factor (BDNF) response to nicotine in NQ- and neonatally saline (NS)-treated rats. In Experiment 2, we analyzed changes in α7 and α4β2 nAChR density in the nucleus accumbens (NAcc) and dorsal striatum in NQ and NS animals sensitized to nicotine. Male and female Sprague-Dawley rats were neonatally treated with quinpirole (1 mg/kg) or saline from postnatal days (P)1–21. Animals were given …


Single-Trait And Multi-Trait Genome-Wide Association Analyses Identify Novel Loci For Blood Pressure In African-Ancestry Populations, Jingjing Liang, Thu H. Le, Digna R. Velez Edwards, Bamidele O. Tayo, Kyle J. Gaulton, Jennifer A. Smith, Yingchang Lu, Richard A. Jensen, Guanjie Chen, Lisa R. Yanek, Karen Schwander, Salman M. Tajuddin, Tamar Sofer, Wonji Kim, James Kayima, Colin A. Mckenzie, Ervin Fox, Michael A. Nalls, J. Hunter Young, Yan V. Sun, Jacqueline M. Lane, Sylvia Cechova, Jie Zhou, Hua Tang, Myriam Fornage, Solomon K. Musani, Heming Wang, Juyoung Lee, Adebowale Adeyemo, Albert W. Dreisbach, Donna K. Arnett May 2017

Single-Trait And Multi-Trait Genome-Wide Association Analyses Identify Novel Loci For Blood Pressure In African-Ancestry Populations, Jingjing Liang, Thu H. Le, Digna R. Velez Edwards, Bamidele O. Tayo, Kyle J. Gaulton, Jennifer A. Smith, Yingchang Lu, Richard A. Jensen, Guanjie Chen, Lisa R. Yanek, Karen Schwander, Salman M. Tajuddin, Tamar Sofer, Wonji Kim, James Kayima, Colin A. Mckenzie, Ervin Fox, Michael A. Nalls, J. Hunter Young, Yan V. Sun, Jacqueline M. Lane, Sylvia Cechova, Jie Zhou, Hua Tang, Myriam Fornage, Solomon K. Musani, Heming Wang, Juyoung Lee, Adebowale Adeyemo, Albert W. Dreisbach, Donna K. Arnett

Epidemiology and Environmental Health Faculty Publications

Hypertension is a leading cause of global disease, mortality, and disability. While individuals of African descent suffer a disproportionate burden of hypertension and its complications, they have been underrepresented in genetic studies. To identify novel susceptibility loci for blood pressure and hypertension in people of African ancestry, we performed both single and multiple-trait genome-wide association analyses. We analyzed 21 genome-wide association studies comprised of 31,968 individuals of African ancestry, and validated our results with additional 54,395 individuals from multi-ethnic studies. These analyses identified nine loci with eleven independent variants which reached genome-wide significance (P < 1.25×10−8) for either systolic and …


A Serosurvey Of Selected Cystogenic Coccidia In Spanish Equids: First Detection Of Anti-Besnoitia Spp. Specific Antibodies In Europe, Daniel Gutiérrez-Expósito, Ignacio García-Bocanegra, Daniel K. Howe, Antonio Arenas-Montes, Michelle R. Yeargan, Sallyanne L. Ness, Luis M Ortega-Mora, G. Álvarez-García May 2017

A Serosurvey Of Selected Cystogenic Coccidia In Spanish Equids: First Detection Of Anti-Besnoitia Spp. Specific Antibodies In Europe, Daniel Gutiérrez-Expósito, Ignacio García-Bocanegra, Daniel K. Howe, Antonio Arenas-Montes, Michelle R. Yeargan, Sallyanne L. Ness, Luis M Ortega-Mora, G. Álvarez-García

Veterinary Science Faculty Publications

Background: Equine besnoitiosis, caused by Besnoitia bennetti, and equine protozoal myeloencephalitis (EPM), caused by Sarcocystis neurona and Neospora hughesi are relevant equine diseases in the Americas that have been scarcely studied in Europe. Thus, a serosurvey of these cystogenic coccidia was carried out in Southern Spain. A cross-sectional study was performed and serum samples from horses (n = 553), donkeys (n = 85) and mules (n = 83) were included. An in-house enzyme-linked immunosorbent assay (ELISA) was employed to identify a Besnoitia spp. infection and positive results were confirmed by an a posteriori western blot. For Neospora …


Impact Of Sublethal Exposure To A Pyrethroid-Neonicotinoid Insecticide On Mating, Fecundity And Development In The Bed Bug Cimex Lectularius L. (Hemiptera: Cimicidae), Sydney E. Crawley, Jennifer R. Gordon, Katelyn A. Kowles, Michael F. Potter, Kenneth F. Haynes May 2017

Impact Of Sublethal Exposure To A Pyrethroid-Neonicotinoid Insecticide On Mating, Fecundity And Development In The Bed Bug Cimex Lectularius L. (Hemiptera: Cimicidae), Sydney E. Crawley, Jennifer R. Gordon, Katelyn A. Kowles, Michael F. Potter, Kenneth F. Haynes

Entomology Faculty Publications

Sublethal exposure to an insecticide may alter insect feeding, mating, oviposition, fecundity, development, and many other life history parameters. Such effects may have population-level consequences that are not apparent in traditional dose-mortality evaluations. Earlier, we found that a routinely used combination insecticide that includes a pyrethroid and a neonicotinoid (Temprid® SC) had deleterious effects on multiple bed bug (Cimex lectularius, L.) behaviors. Here, we demonstrate that sublethal exposure impacts physiology and reproduction as well. We report that sublethal exposure to Temprid SC has variable aberrant effects on bed bugs depending on the strain, including: a reduction in …


Ccr4 Is A Determinant Of Melanoma Brain Metastasis., Anat Klein, Orit Sagi-Assif, Tsipi Meshel, Alona Telerman, Sivan Izraely, Shlomit Ben-Menachem, Jagadeesh Bayry, Diego M Marzese, Shuichi Ohe, Dave S B Hoon, Neta Erez, Isaac P Witz May 2017

Ccr4 Is A Determinant Of Melanoma Brain Metastasis., Anat Klein, Orit Sagi-Assif, Tsipi Meshel, Alona Telerman, Sivan Izraely, Shlomit Ben-Menachem, Jagadeesh Bayry, Diego M Marzese, Shuichi Ohe, Dave S B Hoon, Neta Erez, Isaac P Witz

Articles, Abstracts, and Reports

We previously identified the chemokine receptor CCR4 as part of the molecular signature of melanoma brain metastasis. The aim of this study was to determine the functional significance of CCR4 in melanoma brain metastasis. We show that CCR4 is more highly expressed by brain metastasizing melanoma cells than by local cutaneous cells from the same melanoma. Moreover, we found that the expression of CCR4 is significantly higher in paired clinical specimens of melanoma metastases than in samples of primary tumors from the same patients. Notably, the expression of the CCR4 ligands, Ccl22 and Ccl17 is upregulated at the earliest stages …


Hibernator And Non-Hibernator Responses To Acute Changes In Water Intake, Sydni S. Andruskiewicz May 2017

Hibernator And Non-Hibernator Responses To Acute Changes In Water Intake, Sydni S. Andruskiewicz

All College Thesis Program, 2016-2019

Hibernating animals undergo dramatic changes in metabolic rates during torpor. One of most notable changes in these animals is the ability to maintain blood pressure and perfuse certain organs. Consequentially, blood perfusion to the kidneys is greatly decreased and the ability to concentrate urine halts. However, about once a week, torpor is interrupted and the animal becomes active to rewarm itself about once a week. This activity induces rapid regeneration of the extracellular osmotic gradient of the kidney, and allows urine to be concentrated. Nonetheless, regaining the extracellular osmotic gradient creates a potentially fatal consequence to the kidney cells. To …


Dogs, Cats, And A Lambkin: Speechlessness And The Animal In Ulysses, Pierce R. Watson May 2017

Dogs, Cats, And A Lambkin: Speechlessness And The Animal In Ulysses, Pierce R. Watson

Theses and Dissertations

This essay explores the status of the animal and the consequences of animal speechlessness in Ulysses, mainly focusing on encounters with dogs and cats. Through these animal encounters, Joyce provides a foundation for understanding the complications faced by the Bloom family in grieving their deceased infant son.


Scientists In The Field: The Manatee Scientists: The Science Of Saving The Vulnerable, Aylea Stephens May 2017

Scientists In The Field: The Manatee Scientists: The Science Of Saving The Vulnerable, Aylea Stephens

Children's Book and Media Review

In this book, scientists detail their work with manatees and what goes into deciding that a species should be on the endangered list. In the Amazon, Dr. Fernando Rosas specializes in manatees and how to help them survive in that area. He tracks manatees with a transmitter so he can study manatee physiology in the wild along with his studies of manatees in tanks when baby or injured manatees are brought to the scientists. For him, a major challenge is finding a safe place to release these manatees into the wild. Other scientists study Florida manatees and do population surveys …


Sensory Processing In Autism Spectrum Disorders And Fragile X Syndrome-From The Clinic To Animal Models., D Sinclair, B Oranje, K A Razak, S J Siegel, S Schmid May 2017

Sensory Processing In Autism Spectrum Disorders And Fragile X Syndrome-From The Clinic To Animal Models., D Sinclair, B Oranje, K A Razak, S J Siegel, S Schmid

Brain and Mind Institute Researchers' Publications

Brains are constantly flooded with sensory information that needs to be filtered at the pre-attentional level and integrated into endogenous activity in order to allow for detection of salient information and an appropriate behavioral response. People with Autism Spectrum Disorder (ASD) or Fragile X Syndrome (FXS) are often over- or under-reactive to stimulation, leading to a wide range of behavioral symptoms. This altered sensitivity may be caused by disrupted sensory processing, signal integration and/or gating, and is often being neglected. Here, we review translational experimental approaches that are used to investigate sensory processing in humans with ASD and FXS, and …


Sigma1 Targeting To Suppress Aberrant Androgen Receptor Signaling In Prostate Cancer., Jeffrey D. Thomas, Charles G. Longen, Halley M. Oyer, Nan Chen, Christina M. Maher, Joseph M. Salvino, Blase Kania, Kelsey N. Anderson, William F. Ostrander, Karen E. Knudsen, Felix J. Kim May 2017

Sigma1 Targeting To Suppress Aberrant Androgen Receptor Signaling In Prostate Cancer., Jeffrey D. Thomas, Charles G. Longen, Halley M. Oyer, Nan Chen, Christina M. Maher, Joseph M. Salvino, Blase Kania, Kelsey N. Anderson, William F. Ostrander, Karen E. Knudsen, Felix J. Kim

Department of Cancer Biology Faculty Papers

Suppression of androgen receptor (AR) activity in prostate cancer by androgen depletion or direct AR antagonist treatment, although initially effective, leads to incurable castration-resistant prostate cancer (CRPC) via compensatory mechanisms including resurgence of AR and AR splice variant (ARV) signaling. Emerging evidence suggests that Sigma1 (also known as sigma-1 receptor) is a unique chaperone or scaffolding protein that contributes to cellular protein homeostasis. We reported previously that some Sigma1-selective small molecules can be used to pharmacologically modulate protein homeostasis pathways. We hypothesized that these Sigma1-mediated responses could be exploited to suppress AR protein levels and activity. Here we demonstrate that …


Are Cdi Systems Multicolored, Facultative, Helping Greenbeards?, Elizabeth S. Danka, Erin C. Garcia, Peggy A. Cotter May 2017

Are Cdi Systems Multicolored, Facultative, Helping Greenbeards?, Elizabeth S. Danka, Erin C. Garcia, Peggy A. Cotter

Microbiology, Immunology, and Molecular Genetics Faculty Publications

Competitive and cooperative interactions between organisms, including bacteria, can significantly impact the composition of a community and the fitness of its members, as well as the fitness of their hosts when communities are living on or within other organisms. Understanding the underlying mechanisms is critical to the development of strategies to control microbiological communities that impact animal and plant health and also for understanding the evolution of social behaviors, which has been challenging for evolutionary biologists. Contact-dependent growth inhibition (CDI) is a phenomenon defined by the delivery of a protein toxin to the cytoplasm of neighboring bacteria upon cell–cell contact, …


A Discussion Regarding Various Animals' Abilities To Make Music And Move Rhythmically To Songs, Emilie R. Bufford May 2017

A Discussion Regarding Various Animals' Abilities To Make Music And Move Rhythmically To Songs, Emilie R. Bufford

Capstone Projects and Master's Theses

This project involves exploring the presence of music and rhythmic abilities in specific animal species. The main subjects are whales, sea lions, gorillas, elephants, birds, and mice. The goal of this project was to compare their abilities to those of humans, and overall, determine whether such abilities are considered musical. Cases where animals demonstrate the ability, both learned and innate, to move to a beat are analyzed, along with animals who demonstrate musical vocal abilities naturally in the wild. The previously unknown frequencies of whales, mice, and elephants, are brought to light. These findings bring up the possibility of even …


Role Of Biomechanical Forces In Hyperfiltration-Mediated Glomerular Injury In Congenital Anomalies Of The Kidney And Urinary Tract., Tarak Srivastava, Ganesh Thiagarajan, Uri S. Alon, Ram Sharma, Ashraf El-Meanawy, Ellen T. Mccarthy, Virginia J. Savin, Mukut Sharma May 2017

Role Of Biomechanical Forces In Hyperfiltration-Mediated Glomerular Injury In Congenital Anomalies Of The Kidney And Urinary Tract., Tarak Srivastava, Ganesh Thiagarajan, Uri S. Alon, Ram Sharma, Ashraf El-Meanawy, Ellen T. Mccarthy, Virginia J. Savin, Mukut Sharma

Manuscripts, Articles, Book Chapters and Other Papers

Congenital anomalies of the kidney and urinary tract (CAKUT) including solitary kidney constitute the main cause of progressive chronic kidney disease (CKD) in children. Children born with CAKUT develop signs of CKD only during adolescence and do not respond to renin-angiotensin-aldosterone system blockers. Early cellular changes underlying CKD progression to end-stage renal disease by early adulthood are not well understood. The mechanism of maladaptive hyperfiltration that occurs from loss of functional nephrons, including solitary kidney, is not clear. We re-examine the phenomenon of hyperfiltration in the context of biomechanical forces with special reference to glomerular podocytes. Capillary stretch exerts tensile …


Bk Channels Mediate Synaptic Plasticity Underlying Habituation In Rats., Tariq Zaman, Cleusa De Oliveira, Mahabba Smoka, Chakravarthi Narla, Michael O Poulter, Susanne Schmid Apr 2017

Bk Channels Mediate Synaptic Plasticity Underlying Habituation In Rats., Tariq Zaman, Cleusa De Oliveira, Mahabba Smoka, Chakravarthi Narla, Michael O Poulter, Susanne Schmid

Brain and Mind Institute Researchers' Publications

Habituation is a basic form of implicit learning and represents a sensory filter that is disrupted in autism, schizophrenia, and several other mental disorders. Despite extensive research in the past decades on habituation of startle and other escape responses, the underlying neural mechanisms are still not fully understood. There is evidence from previous studies indicating that BK channels might play a critical role in habituation. We here used a wide array of approaches to test this hypothesis. We show that BK channel activation and subsequent phosphorylation of these channels are essential for synaptic depression presumably underlying startle habituation in rats, …


Genome-Wide Analysis Of Atp-Binding Cassette (Abc) Transporters In The Sweetpotato Whitefly, Bemisia Tabaci, Lixia Tian, Tianxue Song, Rongjun He, Yang Zeng, Wen Xie, Qingjun Wu, Shaoli Wang, Xuguo Zhou, Youjun Zhang Apr 2017

Genome-Wide Analysis Of Atp-Binding Cassette (Abc) Transporters In The Sweetpotato Whitefly, Bemisia Tabaci, Lixia Tian, Tianxue Song, Rongjun He, Yang Zeng, Wen Xie, Qingjun Wu, Shaoli Wang, Xuguo Zhou, Youjun Zhang

Entomology Faculty Publications

Background: ABC transporter superfamily is one of the largest and ubiquitous groups of proteins. Because of their role in detoxification, insect ABC transporters have gained more attention in recent years. In this study, we annotated ABC transporters from a newly sequenced sweetpotato whitefly genome. Bemisia tabaci Q biotype is an emerging global invasive species that has caused extensive damages to field crops as well as ornamental plants.

Results: A total of 55 ABC transporters containing all eight described subfamilies (A to H) were identified in the B. tabaci Q genome, including 8 ABCAs, 3 ABCBs, 6 ABCCs, 2 ABCDs, 1 …


Induction And Characterization Of Anti-Tumor Endothelium Immunity Elicited By Vallovax Therapeutic Cancer Vaccine., Samuel C Wagner, Thomas E Ichim, Vladimir Bogin, Wei-Ping Min, Francisco Silva, Amit N Patel, Santosh Kesari Apr 2017

Induction And Characterization Of Anti-Tumor Endothelium Immunity Elicited By Vallovax Therapeutic Cancer Vaccine., Samuel C Wagner, Thomas E Ichim, Vladimir Bogin, Wei-Ping Min, Francisco Silva, Amit N Patel, Santosh Kesari

Articles, Abstracts, and Reports

ValloVax is a placental endothelium derived vaccine which induces tissue-nonspecific antitumor immunity by blocking tumor angiogesis. To elucidate mechanisms of action, we showed that production of ValloVax, which involves treating placental endothelial cells with IFN-gamma, results in upregulation of HLA and costimulatory molecules. It was shown that in mixed lymphocyte reaction, ValloVax induces Type I cytokines and allo-proliferative responses. Plasma from ValloVax immunized mice was capable of killing in vitro tumor-like endothelium but not control endothelium. Using defined antigens associated with tumor endothelial cells, specific molecular entities were identified as being targeted by ValloVax induced antibodies. Binding of predominantly IgG …


Little Blue Truck, Ariel Woodbury Apr 2017

Little Blue Truck, Ariel Woodbury

Children's Book and Media Review

Little Blue Truck passes by many of his animal friends and beeps a greeting to them. They moo, oink, and peep back to the friendly truck. Then a loud dump truck rudely drives by Blue going very fast. He has important things to do and does not have time to talk. Dump drives around a corner too fast and gets stuck in the mud! He calls for help, but since he was rude to all the animals he passed, they do not come to help him. Blue goes to Dump's assistance even though Dump was not very friendly and gets …


The Mixed-Up Chameleon, Kristie Hinckley Apr 2017

The Mixed-Up Chameleon, Kristie Hinckley

Children's Book and Media Review

If you enjoyed The Very Hungry Caterpillar and Brown Bear, Brown Bear, What Do You See?, you will love Eric Carle’s The Mixed-Up Chameleon. The text is repetitive and the illustrations give children enough clues to be able to join in with adults in reading it or even filling in the blanks! Everyone dreams of being someone or something they’re not. It’s the chameleon’s turn in this picture book. He dreams of being a polar bear, or a flamingo, but with those traits, he can’t do what chameleons do best! Eric Carle uses paper collage to create the illustrations his …


The Midnight Library, Cynthia Phillips Apr 2017

The Midnight Library, Cynthia Phillips

Children's Book and Media Review

Somewhere there is a library that opens only at night. Animals from all over town come to the library and the little librarian and three assistant owls help them find books to read. It is a very busy place. There are squirrels needing help finding the right music for their next concert, a wolf needing comfort, and a tortoise that needs more time to finish his book. The little librarian knows just what to do to make the library a fun and peaceful place. Libraries everywhere will find this book to be a must have. The little librarian introduces her …


Have You Seen My New Blue Socks?, Liz Kazandzhy Apr 2017

Have You Seen My New Blue Socks?, Liz Kazandzhy

Children's Book and Media Review

Duck has a problem: he has lost his new blue socks! They’re not in his box, the fox doesn’t know where they might be, but the ox suggests he looks down by the rocks. There he finds socks indeed, unfortunately just not his new blue ones. So he goes to the peacocks to ask for their help, and they help the poor little duck finally find his socks—on his very own feet! Reminiscent of P.D. Eastman’s Are You My Mother? this story follows the main character in his inquisitive journey to solve a simple problem. It’s an intriguing enough storyline …


Biggest, Baddest Book Of Sea Creatures, Sydnee Burr Apr 2017

Biggest, Baddest Book Of Sea Creatures, Sydnee Burr

Children's Book and Media Review

Extremely educational, Schoeller presents a visually appealing book for young learners. Relying heavily on graphics and colors, Biggest, Baddest Book of Sea Creatures is sure the catch the casual wandering eye in the library. This book takes its readers through all things ocean. Tiny animals, large animals, funny looking animals, scary sea animals, and everything in between. Each pictured animal has one fact attached to their name. In this simple yet knowledgeable piece, young readers can spark a new interest in the ocean and the creatures that live under the sea. Due to the short, flashy nature of this book …