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Full-Text Articles in Entire DC Network
Depression As A Mediator Between Combat Deployment And Substance Use Among Veterans, Brooke Kania Millham
Depression As A Mediator Between Combat Deployment And Substance Use Among Veterans, Brooke Kania Millham
Loma Linda University Electronic Theses, Dissertations & Projects
Individuals who deploy to combat zones often develop increased rates of substance use problems, which may be due to self-medication for depressive symptoms. This study used logistic simple mediation analyses with bootstrapping to test whether depression mediates the relationship between combat zone experience and substance dependence or abuse (alcohol, nicotine, marijuana, opioids, other illicit drugs, and concurrent substance misuse) among military veterans via secondary data analysis of the 2013 to 2018 National Survey on Drug Use and Health (NSDUH; N = 14,121; 87.9% male; 54.4% age 50+; 75.2% white; 34.5% with combat zone experience). Analysis revealed that depression was only …
Hla-Ii-Dependent Neuroimmune Changes In Group A Streptococcal Necrotizing Fasciitis, Ganesh Ambigapathy, Santhosh Mukundan, Kumi Nagamoto-Combs, Colin Combs, Suba Nookala
Hla-Ii-Dependent Neuroimmune Changes In Group A Streptococcal Necrotizing Fasciitis, Ganesh Ambigapathy, Santhosh Mukundan, Kumi Nagamoto-Combs, Colin Combs, Suba Nookala
Biomedical Sciences Faculty Publications
Streptococcus pyogenes (Group A Streptococcus, GAS) bacteria cause a spectrum of human diseases ranging from self-limiting pharyngitis and mild, uncomplicated skin infections (impetigo, erysipelas, and cellulitis) to highly morbid and rapidly invasive, life-threatening infections such as streptococcal toxic shock syndrome and necrotizing fasciitis (NF). HLA class II allelic polymorphisms are linked with differential outcomes and severity of GAS infections. The dysregulated immune response and peripheral cytokine storm elicited due to invasive GAS infections increase the risk for toxic shock and multiple organ failure in genetically susceptible individuals. We hypothesized that, while the host immune mediators regulate the immune responses against …
Isatin-Pyrimidine Hybrid Derivatives As Enoyl Acyl Carrier Protein Reductase (Inha) Inhibitors Against Mycobacterium Tuberculosis, Amira Khalil, Samy Mohamady, Amgad Albohy, Marwa M. Abdel-Aziz, Abdalrahman Khalifa
Isatin-Pyrimidine Hybrid Derivatives As Enoyl Acyl Carrier Protein Reductase (Inha) Inhibitors Against Mycobacterium Tuberculosis, Amira Khalil, Samy Mohamady, Amgad Albohy, Marwa M. Abdel-Aziz, Abdalrahman Khalifa
Pharmacy
Tuberculosis is a worldwide problem that impose a burden on the economy due to continuous development of resistant strains. The development of new antitubercular drugs is a need and can be achieved through inhibition of druggable targets. Mycobacterium tuberculosis enoyl acyl carrier protein (ACP) reductase (InhA) is an important enzyme for Mycobacterium tuberculosis survival. In this study, we report the synthesis of isatin derivatives that could treat TB through inhibition of this enzyme. Compound 4l showed IC50 value (0.6 ± 0.94 µM) similar to isoniazid but is also effective against MDR and XDR Mycobacterium tuberculosis strains (MIC of 0.48 and …
Mineral Licks As A Potential Nidus For Parasite Transmission, William J. Severud, Todd M. Kautz, Jerrold L. Belant, Seth A. Moore
Mineral Licks As A Potential Nidus For Parasite Transmission, William J. Severud, Todd M. Kautz, Jerrold L. Belant, Seth A. Moore
Natural Resource Management Faculty Publications
Discrete landscape features can concentrate animals in time and space, leading to non-random interspecific encounters. These encounters have implications for predator-prey interactions, habitat selection, intraspecific competition, and transmission of parasites and other pathogens. The lifecycle of the parasitic nematode Parelaphostrongylus tenuis requires an intermediate host of a terrestrial gastropod. Natural hosts of P. tenuis are whitetailed deer, and an aberrant host of conservation concern is moose, which are susceptible to high levels of mortality as a naive host to the parasite. Intermediate hosts become infected when P. tenuis larvae are shed in deer feces, then consumed or enter the gastropod …
Exploring The Prospective Role Of Connected Vehicles In Monitoring And Response To Pandemics And Disasters, Mohammadhosein Pourgholamali, Aishwarya Sharma, Zhongnan Ye, Hessam Arefkhani, Eric J. Dietz, Samuel Labi
Exploring The Prospective Role Of Connected Vehicles In Monitoring And Response To Pandemics And Disasters, Mohammadhosein Pourgholamali, Aishwarya Sharma, Zhongnan Ye, Hessam Arefkhani, Eric J. Dietz, Samuel Labi
Center for Connected and Automated Transportation
In the era of connectivity and automation, the prospective vehicular applications of these technologies go beyond transportation operations and traffic management. Connected and automated vehicles (CAVs) are capable of centralized control, information sharing through connectivity, and integrated surveillance. Also, CAVs are readily amenable to innovative design concepts, including disease detection devices in the interior design that could inherently help reduce the propagation of infectious disease. The first chapter of this study attempts to shed light on the operation of CAVs during a pandemic to decrease the infection risk in a community. In this regard, a literature review on the fundamental …
Intravenous Drug Use-Associated Endocarditis Leads To Increased Intracranial Hemorrhage And Neurological Comorbidities, Alex N Hoang, Varun Shah, Jessica Granger, David Dornbos Iii, Patrick P Youssef, Ciaran J Powers, Omar Tanweer, Louise D Mccullough, Shahid M Nimjee
Intravenous Drug Use-Associated Endocarditis Leads To Increased Intracranial Hemorrhage And Neurological Comorbidities, Alex N Hoang, Varun Shah, Jessica Granger, David Dornbos Iii, Patrick P Youssef, Ciaran J Powers, Omar Tanweer, Louise D Mccullough, Shahid M Nimjee
Faculty, Staff and Student Publications
Background: The United States is experiencing a rapidly increasing rate of opioid drug abuse. Intravenous drug use (IVDU)-related endocarditis can lead to significant neurological complications with high morbidity and mortality. When patient care necessitates anticoagulation, the standards for radiographic screening and the risk for intracranial hemorrhage are not clearly elucidated.
Methods: We conducted a retrospective cohort study involving patients treated for infective endocarditis at a single institution from 2014 to 2018. Patients were grouped based in history of IVDU and their demographics and clinical predictors for intracranial hemorrhage were analyzed.
Results: A total of 351 patients met inclusion criteria for …
Equine Bronchial Epithelial Cells Are Susceptible To Cell Entry With A Sars-Cov-2 Pseudovirus But Reveal Low Replication Efficiency, Rebecca M Legere, Angelica R Allegro, Yvonne Affram, Bibiana Petri Da Silveira, Jennifer L Fridley, Kelsey M Wells, Numan Oezguen, Robert C Burghardt, Gus A Wright, Jeroen Pollet, Angela I Bordin, Paul De Figueiredo, Julian L Leibowitz, Noah D Cohen
Equine Bronchial Epithelial Cells Are Susceptible To Cell Entry With A Sars-Cov-2 Pseudovirus But Reveal Low Replication Efficiency, Rebecca M Legere, Angelica R Allegro, Yvonne Affram, Bibiana Petri Da Silveira, Jennifer L Fridley, Kelsey M Wells, Numan Oezguen, Robert C Burghardt, Gus A Wright, Jeroen Pollet, Angela I Bordin, Paul De Figueiredo, Julian L Leibowitz, Noah D Cohen
Faculty, Staff and Students Publications
Objective: To examine the susceptibility of cultured primary equine bronchial epithelial cells (EBECs) to a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pseudovirus relative to human bronchial epithelial cells (HBECs).
Sample: Primary EBEC cultures established from healthy adult horses and commercially sourced human bronchial epithelial cells (HBECs) were used as a positive control.
Methods: Angiotensin-converting enzyme 2 (ACE2) expression by EBECs was demonstrated using immunofluorescence, western immunoblot, and flow cytometry. EBECs were transduced with a lentivirus pseudotyped with the SARS-CoV-2 spike protein that binds to ACE2 and expresses the enhanced green fluorescent protein (eGFP) as a reporter. Cells were transduced …
Transfusion Reactions Associated With Covid-19 Convalescent Plasma In Outpatient Clinical Trials, Moises A Huaman, Jay S Raval, James H Paxton, Giselle S Mosnaim, Bela Patel, Shweta Anjan, Barry R Meisenberg, Adam C Levine, Christi E Marshall, Anusha Yarava, Aarthi G Shenoy, Sonya L Heath, Judith S Currier, Yuriko Fukuta, Janis E Blair, Emily S Spivak, Joann R Petrini, Patrick B Broderick, William Rausch, Marieelena Cordisco, Jean Hammel, Benjamin Greenblatt, Valerie C Cluzet, Daniel Cruser, Kevin Oei, Matthew Abinante, Laura L Hammitt, Catherine G Sutcliffe, Donald N Forthal, Martin S Zand, Edward R Cachay, Seble G Kassaye, Malathi Ram, Ying Wang, Piyali Das, Karen Lane, Nichol A Mcbee, Amy L Gawad, Nicky Karlen, Daniel E Ford, Oliver Laeyendecker, Andrew Pekosz, Sabra L Klein, Stephan Ehrhardt, Bryan Lau, Sheriza N Baksh, David M Shade, Arturo Casadevall, Daniel F Hanley, Jiangda Ou, Thomas J Gniadek, Alyssa Ziman, Shmuel Shoham, Kelly A Gebo, Evan M Bloch, Aaron A R Tobian, David J Sullivan, Jonathan M Gerber
Transfusion Reactions Associated With Covid-19 Convalescent Plasma In Outpatient Clinical Trials, Moises A Huaman, Jay S Raval, James H Paxton, Giselle S Mosnaim, Bela Patel, Shweta Anjan, Barry R Meisenberg, Adam C Levine, Christi E Marshall, Anusha Yarava, Aarthi G Shenoy, Sonya L Heath, Judith S Currier, Yuriko Fukuta, Janis E Blair, Emily S Spivak, Joann R Petrini, Patrick B Broderick, William Rausch, Marieelena Cordisco, Jean Hammel, Benjamin Greenblatt, Valerie C Cluzet, Daniel Cruser, Kevin Oei, Matthew Abinante, Laura L Hammitt, Catherine G Sutcliffe, Donald N Forthal, Martin S Zand, Edward R Cachay, Seble G Kassaye, Malathi Ram, Ying Wang, Piyali Das, Karen Lane, Nichol A Mcbee, Amy L Gawad, Nicky Karlen, Daniel E Ford, Oliver Laeyendecker, Andrew Pekosz, Sabra L Klein, Stephan Ehrhardt, Bryan Lau, Sheriza N Baksh, David M Shade, Arturo Casadevall, Daniel F Hanley, Jiangda Ou, Thomas J Gniadek, Alyssa Ziman, Shmuel Shoham, Kelly A Gebo, Evan M Bloch, Aaron A R Tobian, David J Sullivan, Jonathan M Gerber
Faculty, Staff and Students Publications
BACKGROUND: COVID-19 convalescent plasma (CCP) is an important therapeutic option for outpatients at high risk of hospitalization from SARS-CoV-2 infection. We assessed the safety of outpatient CCP transfusions administered during clinical trials.
STUDY DESIGN AND METHODS: We analyzed data pertaining to transfusion-related reactions from two randomized controlled trials in the U.S. that evaluated the efficacy of CCP versus control plasma in various ambulatory settings. Multivariable logistic regression was used to assess whether CCP was associated with transfusion reactions, after adjusting for potential confounders.
RESULTS: The combined study reported 79/1351 (5.9%) adverse events during the transfusion visit, with the majority 62/1351 …
Polygenic Genetic Variation Affecting Antibody Formation Underlies Hypertensive Renal Injury In The Stroke-Prone Spontaneously Hypertensive Rat, Isha S Dhande, Yaming Zhu, Aniket S Joshi, M John Hicks, Michael C Braun, Peter A Doris
Polygenic Genetic Variation Affecting Antibody Formation Underlies Hypertensive Renal Injury In The Stroke-Prone Spontaneously Hypertensive Rat, Isha S Dhande, Yaming Zhu, Aniket S Joshi, M John Hicks, Michael C Braun, Peter A Doris
Faculty, Staff and Students Publications
During development of the spontaneously hypertensive rat (SHR), several distinct but closely related lines were generated. Most lines are resistant to hypertensive renal disease. However, the SHR-A3 line (stroke-prone SHR) experiences end-organ injury (EOI) and provides a model of injury susceptibility that can be used to uncover genetic causation. In the present study, we generated a congenic line in which three distinct disease loci in SHR-A3 are concurrently replaced with homologous loci from an injury-resistant SHR line (SHR-B2). Verification that all three loci were homozygously replaced in this triple congenic line [SHR-A3(Trip B2)] while the genetic background of SHR-A3 was …
Dynamics Of Inflammatory Responses After Sars-Cov-2 Infection By Vaccination Status In The Usa: A Prospective Cohort Study, Xianming Zhu, Kelly A Gebo, Alison G Abraham, Feben Habtehyimer, Eshan U Patel, Oliver Laeyendecker, Thomas J Gniadek, Reinaldo E Fernandez, Owen R Baker, Malathi Ram, Edward R Cachay, Judith S Currier, Yuriko Fukuta, Jonathan M Gerber, Sonya L Heath, Barry Meisenberg, Moises A Huaman, Adam C Levine, Aarthi Shenoy, Shweta Anjan, Janis E Blair, Daniel Cruser, Donald N Forthal, Laura L Hammitt, Seble Kassaye, Giselle S Mosnaim, Bela Patel, James H Paxton, Jay S Raval, Catherine G Sutcliffe, Matthew Abinante, Patrick Broderick, Valerie Cluzet, Marie Elena Cordisco, Benjamin Greenblatt, Joann Petrini, William Rausch, David Shade, Karen Lane, Amy L Gawad, Sabra L Klein, Andrew Pekosz, Shmuel Shoham, Arturo Casadevall, Evan M Bloch, Daniel Hanley, David J Sullivan, Aaron A R Tobian
Dynamics Of Inflammatory Responses After Sars-Cov-2 Infection By Vaccination Status In The Usa: A Prospective Cohort Study, Xianming Zhu, Kelly A Gebo, Alison G Abraham, Feben Habtehyimer, Eshan U Patel, Oliver Laeyendecker, Thomas J Gniadek, Reinaldo E Fernandez, Owen R Baker, Malathi Ram, Edward R Cachay, Judith S Currier, Yuriko Fukuta, Jonathan M Gerber, Sonya L Heath, Barry Meisenberg, Moises A Huaman, Adam C Levine, Aarthi Shenoy, Shweta Anjan, Janis E Blair, Daniel Cruser, Donald N Forthal, Laura L Hammitt, Seble Kassaye, Giselle S Mosnaim, Bela Patel, James H Paxton, Jay S Raval, Catherine G Sutcliffe, Matthew Abinante, Patrick Broderick, Valerie Cluzet, Marie Elena Cordisco, Benjamin Greenblatt, Joann Petrini, William Rausch, David Shade, Karen Lane, Amy L Gawad, Sabra L Klein, Andrew Pekosz, Shmuel Shoham, Arturo Casadevall, Evan M Bloch, Daniel Hanley, David J Sullivan, Aaron A R Tobian
Faculty, Staff and Student Publications
BACKGROUND: Cytokines and chemokines play a critical role in the response to infection and vaccination. We aimed to assess the longitudinal association of COVID-19 vaccination with cytokine and chemokine concentrations and trajectories among people with SARS-CoV-2 infection.
METHODS: In this longitudinal, prospective cohort study, blood samples were used from participants enrolled in a multi-centre randomised trial assessing the efficacy of convalescent plasma therapy for ambulatory COVID-19. The trial was conducted in 23 outpatient sites in the USA. In this study, participants (aged ≥18 years) were restricted to those with COVID-19 before vaccination or with breakthrough infections who had blood samples …
Interferon-Stimulated Gene Tdrd7 Interacts With Ampk And Inhibits Its Activation To Suppress Viral Replication And Pathogenesis, Sukanya Chakravarty, Gayatri Subramanian, Sonam Popli, Manoj Veleeparambil, Shumin Fan, Ritu Chakravarti, Saurabh Chattopadhyay
Interferon-Stimulated Gene Tdrd7 Interacts With Ampk And Inhibits Its Activation To Suppress Viral Replication And Pathogenesis, Sukanya Chakravarty, Gayatri Subramanian, Sonam Popli, Manoj Veleeparambil, Shumin Fan, Ritu Chakravarti, Saurabh Chattopadhyay
Markey Cancer Center Faculty Publications
Many viruses activate cellular autophagy in infected cells to facilitate their replication. Recently, we identified an interferon (IFN)-stimulated gene (ISG) Tudor domain containing 7 (TDRD7), which inhibits viral replication by blocking autophagy pathway. Here, we present a molecular mechanism for TDRD7 action and its relative contribution to protection against viral pathogenesis. TDRD7 inhibited the activation of adenosine monophosphate (AMP)-activated protein kinase (AMPK), a kinase required for initiating autophagy. Mechanistically, TDRD7 interacted directly with AMPK in the cytosolic compartment. Domain-mapping analyses revealed C-terminal Tudor domain of TDRD7 interacted with auto-inhibitory domain of AMPK. Deletion of Tudor domains abolished anti-AMPK and antiviral …
Clostridioides (Clostridium) Difficile: A Silent Nosocomial Pathogen, Ibrahim A. Al-Zahrani
Clostridioides (Clostridium) Difficile: A Silent Nosocomial Pathogen, Ibrahim A. Al-Zahrani
Saudi Medical Journal
Clostridioides difficile (C. difficile) infection is still a threat to many healthcare settings worldwide. Clostridioides difficile epidemiology has changed over the last 20 years, largely due to the emergence of hypervirulent and antimicrobial-resistant C. difficile strains. The excessive use of antimicrobials, the absence of optimal antibiotic policies, and suboptimal infection control practices have fueled the development of this pressing health issue. The prudent use of antimicrobials, particularly broad-spectrum agents, and simple infection control measures, such as hand hygiene, can significantly reduce C. difficile infection rates. Moreover, the early detection of these infections and understanding their epidemiological behavior using accurate laboratory …
Covid-19 Vaccine In Hemodialysis Patients: Time For A Boost, Waleed H. Mahallawi
Covid-19 Vaccine In Hemodialysis Patients: Time For A Boost, Waleed H. Mahallawi
Saudi Medical Journal
Objectives: To evaluate anti-spike immunoglobulin G (IgG) antibody levels of hemodialysis patients and correlate them with the patients’ demographic data and to evaluate these patients’ need for a coronavirus disease-19 (COVID-19) vaccine booster. Methods: A cross-sectional multi-center study carried out at King Abdulaziz Kidney Center, Hasan Tahir Hemodialysis Center, and Hayat Organization Hemodialysis Center in Al-Madinah Al-Munawarah, Saudi Arabia. Patients (n=167) who received a minimum single dose of COVID-19 vaccine were recruited. The samples were collected between March 2022 and January 2023. Anti-spike IgG antibody levels were measured using enzyme-linked immunosorbent assays. Results: A significantly higher proportion of patients who …
Joint Statement By Unicef Executive Director And Who Director-General On The Occasion Of World Breastfeeding Week
Saudi Medical Journal
No abstract provided.
Antiviral Susceptibility Of Clade 2.3.4.4b Highly Pathogenic Avian Influenza A(H5n1) Viruses Isolated From Birds And Mammals In The United States, 2022, Ha T. Nguyen, Anton Chesnokov, Juan De La Cruz, Philippe Noriel Q. Pascua, Vasiliy P. Mishin, Yunho Jang, Joyce Jones, Han Di, Andrei A. Ivashchenko, Mary Lea Killian, Mia K. Torchetti, Kristina Lantz, David E. Wentworth, Charles T. Davis, Alexandre V. Ivachtchenko, Larisa V. Gubareva
Antiviral Susceptibility Of Clade 2.3.4.4b Highly Pathogenic Avian Influenza A(H5n1) Viruses Isolated From Birds And Mammals In The United States, 2022, Ha T. Nguyen, Anton Chesnokov, Juan De La Cruz, Philippe Noriel Q. Pascua, Vasiliy P. Mishin, Yunho Jang, Joyce Jones, Han Di, Andrei A. Ivashchenko, Mary Lea Killian, Mia K. Torchetti, Kristina Lantz, David E. Wentworth, Charles T. Davis, Alexandre V. Ivachtchenko, Larisa V. Gubareva
United States Department of Agriculture Wildlife Services: Staff Publications
Clade 2.3.4.4b highly pathogenic avian influenza (HPAI) A(H5N1) viruses that are responsible for devastating outbreaks in birds and mammals pose a potential threat to public health. Here, we evaluated their susceptibility to influenza antivirals. Of 1,015 sequences of HPAI A(H5N1) viruses collected in the United States during 2022, eight viruses (∼0.8%) had a molecular marker of drug resistance to an FDA-approved antiviral: three adamantane-resistant (M2-V27A), four oseltamivir-resistant (NA-H275Y), and one baloxavir-resistant (PA-I38T). Additionally, 31 viruses contained mutations that may reduce susceptibility to inhibitors of neuraminidase (NA) (n = 20) or cap-dependent endonuclease (CEN) (n = 11). A panel of 22 …
What Is It Like To Be A Brain Organoid? Phenomenal Consciousness In A Biological Neural Network, Ivanna Montoya, Daniel Montoya
What Is It Like To Be A Brain Organoid? Phenomenal Consciousness In A Biological Neural Network, Ivanna Montoya, Daniel Montoya
College of Humanities and Social Sciences
It has been shown that three-dimensional self-assembled multicellular structures derived from human pluripotent stem cells show electrical activity similar to EEG. More recently, neurons were successfully embedded in digital game worlds. The biologically inspired neural network (BNN), expressing human cortical cells, was able to show internal modification and learn the task at hand (predicting the trajectory of a digital ball while moving a digital paddle). In other words, the system allowed to read motor information and write sensory data into cell cultures. In this article, we discuss Neural Correlates of Consciousness (NCC) theories, and their capacity to predict or even …
Kneiffiella Palmae: A Non-Aspergillus Fungal Infection Isolated From A Pulmonary Nodule In A Child With Chronic Granulomatous Disease, Bianca E. Ituarte, Connie Canete-Gibas, Nathan P. Wiederhold, Liset Olarte
Kneiffiella Palmae: A Non-Aspergillus Fungal Infection Isolated From A Pulmonary Nodule In A Child With Chronic Granulomatous Disease, Bianca E. Ituarte, Connie Canete-Gibas, Nathan P. Wiederhold, Liset Olarte
Manuscripts, Articles, Book Chapters and Other Papers
We report the first known human case of Kneiffiella palmae in the medical literature. K. palmae was isolated from a pulmonary nodule in a 7-year-old male with chronic granulomatous disease. The mold was identified as K. palmae at a national reference laboratory, where 17 other human respiratory samples tested positive for K. palmae from 2013 to 2021. Optimal antimicrobial treatment is unknown, but azoles and amphotericin B demonstrated in vitro activity against each tested isolate.
Anty 210n.50: Introduction To Biological Anthropology, Randall R. Skelton
Anty 210n.50: Introduction To Biological Anthropology, Randall R. Skelton
University of Montana Course Syllabi, 2021-2025
No abstract provided.
Validation Of A Clinical Prediction Rule For Distinguishing Bacterial And Aseptic Meningitis In Pediatric Patients, Amelia L Gurley, Matt Fukuda, Ashwin Sharma, Ethan Lee, Erica Junqueira, Michael Kang, Tommy Y Kim
Validation Of A Clinical Prediction Rule For Distinguishing Bacterial And Aseptic Meningitis In Pediatric Patients, Amelia L Gurley, Matt Fukuda, Ashwin Sharma, Ethan Lee, Erica Junqueira, Michael Kang, Tommy Y Kim
Children’s Nutrition Research Center Staff Publications
Introduction
The treatments and prognosis of bacterial meningitis differ greatly from those of aseptic meningitis, making early identification and differentiation essential. Several different clinical prediction rules have been developed to distinguish bacterial meningitis from aseptic meningitis. We sought to validate one clinical prediction rule for pediatric patients utilizing a centralized data warehouse that collects daily data from 184 hospitals across the United States.
Methods
We retrospectively collected data on all patients aged 29 days to 14 years who presented to Hospital Corporation of America (HCA) Healthcare hospitals from January 1, 2016, to May 31, 2021, with a diagnosis of meningitis. …
An Unusual Case Of Acute Scrotal Pain, Thomas Damrow, Ryan Bellinger, Judy Lin, Jennifer A Walker
An Unusual Case Of Acute Scrotal Pain, Thomas Damrow, Ryan Bellinger, Judy Lin, Jennifer A Walker
Faculty, Staff and Student Publications
Patients frequently present to the emergency department with complaints of scrotal or testicular pain. Generally, there is an algorithmic approach to workup, which includes assessment for torsion, infection, or vascular causes, and musculoskeletal causes of pain are also sometimes considered. Spinal cord pathology, however, is less often explored as a cause of testicular pain. Here, we present a case of a 45-year-old man with end-stage renal disease and hypertension who presented with acute testicular pain. After a comprehensive workup, however, the source of pain was not initially found. Progression of the patient's symptoms led to the diagnosis of spontaneous spinal …
Immune Checkpoint Inhibitors Suppress Hepatitis C Virus Replication In Infected Patients With Solid Tumors, Marcel Yibirin, Khalis Mustafayev, Jeff Hosry, Pooja Pundhir, Joseph Klingen, Eduardo Yepez Guevara, Bruno P Granwehr, Ahmed Kaseb, Aung Naing, Sapna Patel, Amishi Y Shah, Ferdinandos Skoulidis, Hussein A Tawbi, Lan Wang, Ethan Miller, Hao Chi Zhang, Amado Zurita-Saavedra, Harrys A Torres
Immune Checkpoint Inhibitors Suppress Hepatitis C Virus Replication In Infected Patients With Solid Tumors, Marcel Yibirin, Khalis Mustafayev, Jeff Hosry, Pooja Pundhir, Joseph Klingen, Eduardo Yepez Guevara, Bruno P Granwehr, Ahmed Kaseb, Aung Naing, Sapna Patel, Amishi Y Shah, Ferdinandos Skoulidis, Hussein A Tawbi, Lan Wang, Ethan Miller, Hao Chi Zhang, Amado Zurita-Saavedra, Harrys A Torres
Faculty, Staff and Student Publications
Introduction: Data are scarce regarding the virologic impact and safety of immune checkpoint inhibitors (ICI) in patients with chronic hepatitis C virus (HCV) infection. We examined the virologic impact of ICI in HCV-infected patients with solid tumors and their safety.
Methods: HCV-infected patients with solid tumor treated with ICI at our institution between April 26, 2016, and January 5, 2022, were enrolled in a prospective observational study. The primary outcomes were ICI-induced changes in HCV viremia (HCV inhibition and HCV reactivation) and safety of ICI.
Results: We enrolled 52 consecutive patients with solid tumors treated with ICI. Most were men …
Autotaxin Suppresses Cytotoxic T Cells Via Lpar5 To Promote Anti-Pd-1 Resistance In Non-Small Cell Lung Cancer, Jessica M Konen, B Leticia Rodriguez, Haoyi Wu, Jared J Fradette, Laura Gibson, Lixia Diao, Jing Wang, Stephanie Schmidt, Ignacio I Wistuba, Jianjun Zhang, Don L Gibbons
Autotaxin Suppresses Cytotoxic T Cells Via Lpar5 To Promote Anti-Pd-1 Resistance In Non-Small Cell Lung Cancer, Jessica M Konen, B Leticia Rodriguez, Haoyi Wu, Jared J Fradette, Laura Gibson, Lixia Diao, Jing Wang, Stephanie Schmidt, Ignacio I Wistuba, Jianjun Zhang, Don L Gibbons
Faculty, Staff and Student Publications
Non-small cell lung cancers that harbor concurrent KRAS and TP53 (KP) mutations are immunologically warm tumors with partial responsiveness to anti-PD-(L)1 blockade; however, most patients observe little or no durable clinical benefit. To identify novel tumor-driven resistance mechanisms, we developed a panel of KP murine lung cancer models with intrinsic resistance to anti-PD-1 and queried differential gene expression between these tumors and anti-PD-1-sensitive tumors. We found that the enzyme autotaxin (ATX), and the metabolite it produces, lysophosphatidic acid (LPA), were significantly upregulated in resistant tumors and that ATX directly modulated antitumor immunity, with its expression negatively correlating with total and …
Biom 327.01: Vector-Borne Diseases - Public Health Perspective, Brent J. Ryckman
Biom 327.01: Vector-Borne Diseases - Public Health Perspective, Brent J. Ryckman
University of Montana Course Syllabi, 2021-2025
No abstract provided.
Antimicrobial Mitochondrial Reactive Oxygen Species Induction By Lung Epithelial Immunometabolic Modulation, Yongxing Wang, Vikram V Kulkarni, Jezreel Pantaleón García, Miguel M Leiva-Juárez, David L Goldblatt, Fahad Gulraiz, Lisandra Vila Ellis, Jichao Chen, Michael K Longmire, Sri Ramya Donepudi, Philip L Lorenzi, Hao Wang, Lee-Jun Wong, Michael J Tuvim, Scott E Evans
Antimicrobial Mitochondrial Reactive Oxygen Species Induction By Lung Epithelial Immunometabolic Modulation, Yongxing Wang, Vikram V Kulkarni, Jezreel Pantaleón García, Miguel M Leiva-Juárez, David L Goldblatt, Fahad Gulraiz, Lisandra Vila Ellis, Jichao Chen, Michael K Longmire, Sri Ramya Donepudi, Philip L Lorenzi, Hao Wang, Lee-Jun Wong, Michael J Tuvim, Scott E Evans
Faculty, Staff and Student Publications
Pneumonia is a worldwide threat, making discovery of novel means to combat lower respiratory tract infection an urgent need. Manipulating the lungs' intrinsic host defenses by therapeutic delivery of certain pathogen-associated molecular patterns protects mice against pneumonia in a reactive oxygen species (ROS)-dependent manner. Here we show that antimicrobial ROS are induced from lung epithelial cells by interactions of CpG oligodeoxynucleotides (ODN) with mitochondrial voltage-dependent anion channel 1 (VDAC1). The ODN-VDAC1 interaction alters cellular ATP/ADP/AMP localization, increases delivery of electrons to the electron transport chain (ETC), increases mitochondrial membrane potential (ΔΨm), differentially modulates ETC complex activities and consequently results in …
Making Waves: Integrating Wastewater Surveillance With Dynamic Modeling To Track And Predict Viral Outbreaks, Tin Phan, Samantha Brozak, Bruce Pell, Jeremiah Oghuan, Anna Gitter, Tao Hu, Ruy M Ribeiro, Ruian Ke, Kristina D Mena, Alan S Perelson, Yang Kuang, Fuqing Wu
Making Waves: Integrating Wastewater Surveillance With Dynamic Modeling To Track And Predict Viral Outbreaks, Tin Phan, Samantha Brozak, Bruce Pell, Jeremiah Oghuan, Anna Gitter, Tao Hu, Ruy M Ribeiro, Ruian Ke, Kristina D Mena, Alan S Perelson, Yang Kuang, Fuqing Wu
Faculty, Staff and Student Publications
Wastewater surveillance has proved to be a valuable tool to track the COVID-19 pandemic. However, most studies using wastewater surveillance data revolve around establishing correlations and lead time relative to reported case data. In this perspective, we advocate for the integration of wastewater surveillance data with dynamic within-host and between-host models to better understand, monitor, and predict viral disease outbreaks. Dynamic models overcome emblematic difficulties of using wastewater surveillance data such as establishing the temporal viral shedding profile. Complementarily, wastewater surveillance data bypasses the issues of time lag and underreporting in clinical case report data, thus enhancing the utility and …
Rapidly Progressing Autoimmune Hemolytic Anemia In A Pediatric Patient With Covid-19., Julia E. Kononowicz, M. Farhan Ali, William Palko, Sean Pyper, Nisha Agasthya
Rapidly Progressing Autoimmune Hemolytic Anemia In A Pediatric Patient With Covid-19., Julia E. Kononowicz, M. Farhan Ali, William Palko, Sean Pyper, Nisha Agasthya
Manuscripts, Articles, Book Chapters and Other Papers
SARS-CoV-2 is a novel virus that is known to have a predilection for complications associated with the respiratory system. Although COVID-19 has a wide spectrum of manifestations, the pathophysiology of severe illness remains poorly understood but is thought to be associated with fulminant cytokine release. While severe complications secondary to COVID-19 in the pediatric population are considered rare, they do happen. Children with and without comorbidities have required intensive care unit admissions for respiratory distress and, more notably, multisystem inflammatory syndrome in children (MIS-C). While MIS-C is associated with hematologic complications, such as thrombocytopenia and coagulopathies, it is not associated …
Diversity, Equity, And Inclusion In The Melanoma Research Community, Marie E Portuallo, David Y Lu, Gretchen M Alicea, Joel Bolling, Rebecca Lee, Jennifer Mcquade, Allison Betof Warner, Michael Davies, Ashani Weeraratna, Jessie Villanueva, Vito W Rebecca
Diversity, Equity, And Inclusion In The Melanoma Research Community, Marie E Portuallo, David Y Lu, Gretchen M Alicea, Joel Bolling, Rebecca Lee, Jennifer Mcquade, Allison Betof Warner, Michael Davies, Ashani Weeraratna, Jessie Villanueva, Vito W Rebecca
Faculty, Staff and Student Publications
The inaugural Diversity and Inclusion in Science Session was held during the 2021 Society for Melanoma Research (SMR) congress. The goal of the session was to discuss diversity, equity, and inclusion in the melanoma research community and strategies to promote the advancement of underrepresented melanoma researchers. An international survey was conducted to assess the diversity, equity, and inclusion (DEI) climate among researchers and clinicians within the Society for Melanoma Research (SMR). The findings suggest there are feelings and experiences of inequity, bias, and harassment within the melanoma community that correlate with one's gender, ethnic/racial group, and/or geographic location. Notably, significant …
Lymphocytic Choriomeningitis Virus In Person Living With Hiv, Connecticut, Usa, 2021, Jonathan Dyal, Shiv Gandhi, Caitlin M Cossaboom, Austin Leach, Ketan Patel, Marjorie Golden, Joseph Canterino, Marie-Louise Landry, Debi Cannon, Mary Choi, Inna Krapiunaya, John D Klena, Trevor Shoemaker
Lymphocytic Choriomeningitis Virus In Person Living With Hiv, Connecticut, Usa, 2021, Jonathan Dyal, Shiv Gandhi, Caitlin M Cossaboom, Austin Leach, Ketan Patel, Marjorie Golden, Joseph Canterino, Marie-Louise Landry, Debi Cannon, Mary Choi, Inna Krapiunaya, John D Klena, Trevor Shoemaker
Faculty, Staff and Student Publications
Lymphocytic choriomeningitis virus is an underreported cause of miscarriage and neurologic disease. Surveillance remains challenging because of nonspecific symptomatology, inconsistent case reporting, and difficulties with diagnostic testing. We describe a case of acute lymphocytic choriomeningitis virus disease in a person living with HIV in Connecticut, USA, identified by using quantitative reverse transcription PCR.
Rare Case Of Pediatric Post-Transplant Lymphoproliferative Disorder Presenting With Pleural Masses Complicated By Pleural Effusions, Erini Nessim Kostandy, David Wan, Essam Imseis
Rare Case Of Pediatric Post-Transplant Lymphoproliferative Disorder Presenting With Pleural Masses Complicated By Pleural Effusions, Erini Nessim Kostandy, David Wan, Essam Imseis
Faculty, Staff and Student Publications
Post-transplant lymphoproliferative disorder is a complication in organ transplant recipients characterized by uncontrolled proliferation of B-lymphocytes, occurring in 6% of pediatric patients, with risk factors including primary Epstein-Barr virus infection, intensity of immunosuppression, and cytomegalovirus infection. The clinical symptoms are often nonspecific, and it is associated with a high mortality rate if left untreated. We describe a rare case of post-transplant lymphoproliferative disorder who presented with pleural-based masses resulting in pleural effusions.
Monkeypox Presenting As A Hand Consult In The Emergency Department: Two Case Reports, David T Mitchell, James A Mentz, Yuewei Wu-Fienberg, Wendy Chen, Matthew R Greives, Erik S Marques
Monkeypox Presenting As A Hand Consult In The Emergency Department: Two Case Reports, David T Mitchell, James A Mentz, Yuewei Wu-Fienberg, Wendy Chen, Matthew R Greives, Erik S Marques
Faculty, Staff and Student Publications
The ongoing outbreak of the monkeypox virus (now referred to as "mpox") was deemed a public health emergency by the World Health Organization in 2022. The United States now reports the highest number of mpox cases, with 29 980 cases and 21 deaths as of January 11, 2023. The most common presenting symptom is a pruritic, vesicular rash that commonly involves the hands. While covering hand call, our division has encountered 2 cases of mpox in the emergency department for which the chief complaint was a hand lesion. Because hand surgeons will be called upon to make an initial diagnosis, …