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Articles 2971 - 3000 of 4498
Full-Text Articles in Entire DC Network
Impact And Prevalence Of Comorbidities And Complications On The Severity Of Covid-19 In Association With Age, Gender, Obesity, And Pre-Existing Smoking: A Meta-Analysis, Soulandi Djorwé, Amale Bousfiha, Néhémie Nzoyikorera, Joseph Nyandwi, Bellamine Kawthar, Abderrahim Malki
Impact And Prevalence Of Comorbidities And Complications On The Severity Of Covid-19 In Association With Age, Gender, Obesity, And Pre-Existing Smoking: A Meta-Analysis, Soulandi Djorwé, Amale Bousfiha, Néhémie Nzoyikorera, Joseph Nyandwi, Bellamine Kawthar, Abderrahim Malki
BioMedicine
Background: COVID-19 patients usually present multiple comorbidities and complications associated with severe forms of SARS-CoV-2 infection. This study aimed to assess the risk factors and prevalence of comorbidities and complications contributing to the severity of COVID-19.
Methods: This meta-analysis was performed according to PRISMA guidelines. We searched various databases, including PubMed, Google Scholar, and Scopus (between 2020 and 2023), for eligible studies for this meta-analysis.
Results: Thirty-three studies were eligible, including 85812 patients, of which 36% (30634/85812) had severe disease, whereas 64% (55178/85812) had non-severe disease. Severe cases were potentially correlated with the following factors: gender (male) (odd ratio (OR) …
Scurvy: A Rare Disease Or A Rare Diagnosis?, David F. Gaieski
Scurvy: A Rare Disease Or A Rare Diagnosis?, David F. Gaieski
Department of Emergency Medicine Faculty Papers
Introduction:
Scurvy, the disease state caused by ascorbic acid deficiency, was once an extremely common disease but is now thought to be a rare disease in postmodern societies. Physicians are not trained to consider scurvy as a possible diagnosis in patients at risk; rather, it is considered a rare diagnosis to add to a differential for completeness’s sake.
Methods:
We sought to describe the scorbutic patients seen by one physician during a busy academic emergency medicine career. Case series of patients seen by one physician between 1993 and 2023 at five academic teaching hospitals with Emergency Departments (EDs) in the …
Bactericidal Efficacy Of The Combination Of Maresin-Like Proresolving Mediators And Carbenicillin Action On Biofilm-Forming Burn Trauma Infection-Related Bacteria, Anbu Mozhi Thamizhchelvan, Abdul Razak Masoud, Shanchun Su, Yan Lu, Hongying Peng, Yuichi Kobayashi, Yu Wang, Nathan K. Archer, Song Hong
Bactericidal Efficacy Of The Combination Of Maresin-Like Proresolving Mediators And Carbenicillin Action On Biofilm-Forming Burn Trauma Infection-Related Bacteria, Anbu Mozhi Thamizhchelvan, Abdul Razak Masoud, Shanchun Su, Yan Lu, Hongying Peng, Yuichi Kobayashi, Yu Wang, Nathan K. Archer, Song Hong
School of Medicine Faculty Publications
Biofilm-associated bacterial infections are the major reason for treatment failure in many diseases including burn trauma infections. Uncontrolled inflammation induced by bacteria leads to materiality, tissue damage, and chronic diseases. Specialized proresolving mediators (SPMs), including maresin-like lipid mediators (MarLs), are enzymatically biosynthesized from omega-3 essential long-chain polyunsaturated fatty acids, especially docosahexaenoic acid (DHA), by macrophages and other leukocytes. SPMs exhibit strong inflammation-resolving activities, especially inflammation provoked by bacterial infection. In this study, we explored the potential direct inhibitory activities of three MarLs on Gram-positive (Staphylococcus aureus) and Gram-negative (Pseudomonas aeruginosa and Escherichia coli) bacteria in their biofilms that are leading …
Integrative Genomic Insights Into Coral Resilience: Adaptive And Acclimatory Responses To Seasonal Environmental Shifts, Tasnim Ghanim
Integrative Genomic Insights Into Coral Resilience: Adaptive And Acclimatory Responses To Seasonal Environmental Shifts, Tasnim Ghanim
Theses and Dissertations
Coral reefs, critical to marine biodiversity and coastal protection, face escalating threats from climate change-related phenomena such as ocean warming. This warming is leading to widespread thermal stress that contributes to coral bleaching and infectious disease in corals, leading to the disruption of marine ecosystems and the economies that depend on them. Focusing on the brain coral Platygyra daedalea, known for its thermal resilience in the Persian Arabian Gulf—a region that exemplifies the extreme stressors of climate change—our study aims to dissect the genetic, transcriptomic, and microbiological underpinnings of coral survival in high-temperature environments predicted for the end of …
Current And Emerging Antiviral Agents In The Prevention And Treatment Of Cytomegalovirus In Pediatric Transplant Recipients, Kristen G Valencia Deray, Lara A Danziger-Isakov, Kevin J Downes
Current And Emerging Antiviral Agents In The Prevention And Treatment Of Cytomegalovirus In Pediatric Transplant Recipients, Kristen G Valencia Deray, Lara A Danziger-Isakov, Kevin J Downes
Faculty, Staff and Students Publications
Despite current prophylaxis regimens, cytomegalovirus (CMV) is common in hematopoietic cell transplantation (HCT) and solid organ transplantation (SOT) and remains a significant cause of morbidity and mortality. Newer antiviral medications are reshaping the landscape for prevention and treatment of CMV DNAemia, infection, and disease. Letermovir is approved for CMV prevention in adult HCT patients and is attractive due to the absence of marrow suppression seen with ganciclovir/valganciclovir. Letermovir should not be routinely used for CMV treatment due to its low threshold for resistance. Maribavir is approved for the treatment of refractory or resistant CMV disease in HCT and SOT recipients …
Paired Single-B-Cell Transcriptomics And Receptor Sequencing Reveal Activation States And Clonal Signatures That Characterize B Cells In Acute Myeloid Leukemia, Shengnan Guo, Gopi S Mohan, Bofei Wang, Tianhao Li, Naval Daver, Yuting Zhao, Patrick K Reville, Dapeng Hao, Hussein A Abbas
Paired Single-B-Cell Transcriptomics And Receptor Sequencing Reveal Activation States And Clonal Signatures That Characterize B Cells In Acute Myeloid Leukemia, Shengnan Guo, Gopi S Mohan, Bofei Wang, Tianhao Li, Naval Daver, Yuting Zhao, Patrick K Reville, Dapeng Hao, Hussein A Abbas
Faculty, Staff and Student Publications
BACKGROUND: Acute myeloid leukemia (AML) is associated with a dismal prognosis. Immune checkpoint blockade (ICB) to induce antitumor activity in AML patients has yielded mixed results. Despite the pivotal role of B cells in antitumor immunity, a comprehensive assessment of B lymphocytes within AML's immunological microenvironment along with their interaction with ICB remains rather constrained.
METHODS: We performed an extensive analysis that involved paired single-cell RNA and B-cell receptor (BCR) sequencing on 52 bone marrow aspirate samples. These samples included 6 from healthy bone marrow donors (normal), 24 from newly diagnosed AML patients (NewlyDx), and 22 from 8 relapsed or …
Gamma Delta T Cells In Acute Myeloid Leukemia: Biology And Emerging Therapeutic Strategies, Adishwar Rao, Akriti Agrawal, Gautam Borthakur, Venkata Lokesh Battula, Abhishek Maiti
Gamma Delta T Cells In Acute Myeloid Leukemia: Biology And Emerging Therapeutic Strategies, Adishwar Rao, Akriti Agrawal, Gautam Borthakur, Venkata Lokesh Battula, Abhishek Maiti
Faculty, Staff and Student Publications
γδ T cells play an important role in disease control in acute myeloid leukemia (AML) and have become an emerging area of therapeutic interest. These cells represent a minor population of T lymphocytes with intrinsic abilities to recognize antigens in a major histocompatibility complex-independent manner and functionally straddle the innate and adaptive immunity interface. AML shows high expression of phosphoantigens and UL-16 binding proteins that activate the Vδ2 and Vδ1 subtypes of γδ T cells, respectively, leading to γδ T cell-mediated cytotoxicity. Insights from murine models and clinical data in humans show improved overall survival, leukemia-free survival, reduced risk of …
Returning To School After A Pandemic: K-12 School Mental Health Practitioners’ Perspectives Returning To School In Regard To Mindset, Behavior, Performance, And Social Connections, Viridiana Benitez Esparza
Returning To School After A Pandemic: K-12 School Mental Health Practitioners’ Perspectives Returning To School In Regard To Mindset, Behavior, Performance, And Social Connections, Viridiana Benitez Esparza
Dissertations
Purpose: The purpose of this phenomenological study was to determine K-12 school mental health practitioners’ perceptions of their experiences working with students following the 2-year educational/social/emotional trauma of the COVID-19 pandemic with regard to the mental health practitioners’ mindset, behavior, performance, and social connections. Methodology: The researcher conducted a phenomenological study examining particular experiences of participants to understand their perspective during a phenomenon (McMillan & Schumacher, 2006). This qualitative study interviewed 12 school mental health practitioners who served in K-12 public schools after the pandemic in Los Angeles County, California. Semi-structured interview questions were used for data collection and aligned …
Evidence Review And Considerations For Use Of First Line Genome Sequencing To Diagnose Rare Genetic Disorders, Kristen M Wigby, Deanna Brockman, Gregory Costain, Caitlin Hale, Stacie L Taylor, John Belmont, David Bick, David Dimmock, Susan Fernbach, John Greally, Vaidehi Jobanputra, Shashikant Kulkarni, Elizabeth Spiteri, Ryan J Taft
Evidence Review And Considerations For Use Of First Line Genome Sequencing To Diagnose Rare Genetic Disorders, Kristen M Wigby, Deanna Brockman, Gregory Costain, Caitlin Hale, Stacie L Taylor, John Belmont, David Bick, David Dimmock, Susan Fernbach, John Greally, Vaidehi Jobanputra, Shashikant Kulkarni, Elizabeth Spiteri, Ryan J Taft
Center for Medical Ethics and Health Policy Staff Publications
Early use of genome sequencing (GS) in the diagnostic odyssey can reduce suffering and improve care, but questions remain about which patient populations are most amenable to GS as a first-line diagnostic test. To address this, the Medical Genome Initiative conducted a literature review to identify appropriate clinical indications for GS. Studies published from January 2011 to August 2022 that reported on the diagnostic yield (DY) or clinical utility of GS were included. An exploratory meta-analysis using a random effects model evaluated DY based on cohort size and diagnosed cases per cohort. Seventy-one studies met inclusion criteria, comprising over 13,000 …
Caregivers' Attachment Relationships With Infants And Toddlers During The Covid-19 Pandemic, Rebecca Ellen Roth
Caregivers' Attachment Relationships With Infants And Toddlers During The Covid-19 Pandemic, Rebecca Ellen Roth
Walden Dissertations and Doctoral Studies
Health and safety protocols related to the COVID-19 pandemic and its variants continue to influence practices in infant–toddler programs one western state in the United States; caregivers in the state are concerned about attachment relationships with infants and toddlers. The purpose of this basic qualitative study was to explore caregiver perceptions of attachment relationships related to the COVID-19 pandemic and its variants and the influence of health and safety protocols on caregiver practices. The conceptual framework combined attachment and biobehavioral theories. Data from interviews with four infant and six toddler caregivers were recorded, transcribed, and analyzed by searching for patterns …
The Future Of Targeted Therapy For Leiomyosarcoma, Ryan A Denu, Amanda M Dann, Emily Z Keung, Michael S Nakazawa, Elise F Nassif Haddad
The Future Of Targeted Therapy For Leiomyosarcoma, Ryan A Denu, Amanda M Dann, Emily Z Keung, Michael S Nakazawa, Elise F Nassif Haddad
Faculty, Staff and Student Publications
Leiomyosarcoma (LMS) is an aggressive subtype of soft tissue sarcoma that arises from smooth muscle cells, most commonly in the uterus and retroperitoneum. LMS is a heterogeneous disease with diverse clinical and molecular characteristics that have yet to be fully understood. Molecular profiling has uncovered possible targets amenable to treatment, though this has yet to translate into approved targeted therapies in LMS. This review will explore historic and recent findings from molecular profiling, highlight promising avenues of current investigation, and suggest possible future strategies to move toward the goal of molecularly matched treatment of LMS. We focus on targeting the …
No. 16: Evolving Food Security Challenges Facing Internal Migrants During The Covid-19 Pandemic In Chinese Cities, Zhenzhong Si, Taiyang Zhong
No. 16: Evolving Food Security Challenges Facing Internal Migrants During The Covid-19 Pandemic In Chinese Cities, Zhenzhong Si, Taiyang Zhong
Migration and Food Security (MiFOOD) Network
The COVID-19 pandemic has significantly exacerbated the economic, social and political vulnerabilities of internal and international migrants and increased their food insecurity in several cities of the Global South. So far, very little attention has been paid to the dynamics of internal migrants’ food security in urban China since the emergence of the pandemic. Based on the results of an online survey conducted in the cities of Wuhan and Nanjing in early 2020 and a review of secondary materials, this paper identifies the major phases of China’s COVID-19 containment policies and evaluates their effects on the food security of internal …
Contribution Of Hfq To Gene Regulation And Virulence In Histophilus Somni, Dianjun Cao, Bindu Subhadra, Yue-Jia Lee, Merrilee Thoresen, Santiago Cornejo, Alicia Oliver, Amelia Woolums, Thomas J. Inzana
Contribution Of Hfq To Gene Regulation And Virulence In Histophilus Somni, Dianjun Cao, Bindu Subhadra, Yue-Jia Lee, Merrilee Thoresen, Santiago Cornejo, Alicia Oliver, Amelia Woolums, Thomas J. Inzana
Faculty Publications - Biological Sciences
Histophilus somni is one of the predominant bacterial pathogens responsible for bovine respiratory and systemic diseases in cattle. Despite the identification of numerous H. somni virulence factors, little is known about the regulation of such factors. The post-transcriptional regulatory protein Hfq may play a crucial role in regulation of components that affect bacterial virulence. The contribution of Hfq to H. somni phenotype and virulence was investigated following creation of an hfq deletion mutant of H. somni strain 2336 (designated H. somni 2336Δhfq). A comparative analysis of the mutant to the wild-type strain was carried out by examining protein and carbohydrate …
Sustainability Of Simplified Sewer Systems: A Case Study Of Vingunguti Urban Settlement, Dar Es Salaam Region In Tanzania, Neema Kijazi
Sustainability Of Simplified Sewer Systems: A Case Study Of Vingunguti Urban Settlement, Dar Es Salaam Region In Tanzania, Neema Kijazi
Tanzania Journal of Engineering and Technology (TJET)
The universal access to safely managed sanitation remains one of the challenges to achieving the UN SDG target 6.2 in unplanned urban settlements including the Vingunguti area in Dar es Salaam City which is high-density populated. In an attempt to address this challenge, a simplified sewer system was piloted as an option for achieving safely managed sanitation in this particular area. The objective of this study was to assess the sustainability of the piloted simplified sewer system for its potentiality to up-scale and replication in areas with similar sanitation challenges in the country. Methodology involved collection of data on performance …
A Two-Stage Based Life Cycle And Principal Component Analysis For Decision Support Of Potential Municipal Solid Wastes Management Scenarios, Case Study Dar Es Salaam, Tanzania, Edwin Richard Ndibalema Dr
A Two-Stage Based Life Cycle And Principal Component Analysis For Decision Support Of Potential Municipal Solid Wastes Management Scenarios, Case Study Dar Es Salaam, Tanzania, Edwin Richard Ndibalema Dr
Tanzania Journal of Engineering and Technology (TJET)
In most of the urban areas of Tanzania, poor and inadequate solid waste management is a growing environmental and public health concern. Despite an array of solid waste management options, choosing an appropriate one remains a challenge. This study applied a novel two-stage-based approach to assess the environmental impacts and sustainability performance of the 27 scenarios for municipal solid wastes (MSW) management of Dar es Salaam City, Tanzania. In the first stage, the study utilized a life cycle analysis (LCA) to quantify the environmental impacts of MSW scenarios. In the second stage, the study used the principal component analysis (PCA) …
Tau And Aβ42 In Lavage Fluid Of Pneumonia Patients Are Associated With End-Organ Dysfunction: A Prospective Exploratory Study, Phoibe Renema, Jean-Francois Pittet, Angela P. Brandon, Sixto M. Leal Jr, Steven Gu, Grace Promer, Andrew Hackney, Phillip Braswell, Andrew Pickering, Grace Rafield, Sarah Voth, Ron Balczon, Mike T. Lin, K. Adam Morrow, Jessica Bell, Jonathon P. Audia, Diego Alvarez, Troy Stevens, Brant M. Wagener
Tau And Aβ42 In Lavage Fluid Of Pneumonia Patients Are Associated With End-Organ Dysfunction: A Prospective Exploratory Study, Phoibe Renema, Jean-Francois Pittet, Angela P. Brandon, Sixto M. Leal Jr, Steven Gu, Grace Promer, Andrew Hackney, Phillip Braswell, Andrew Pickering, Grace Rafield, Sarah Voth, Ron Balczon, Mike T. Lin, K. Adam Morrow, Jessica Bell, Jonathon P. Audia, Diego Alvarez, Troy Stevens, Brant M. Wagener
University Faculty and Staff Publications
Bacterial pneumonia and sepsis are both common causes of end-organ dysfunction, especially in immunocompromised and critically ill patients. Pre-clinical data demonstrate that bacterial pneumonia and sepsis elicit the production of cytotoxic tau and amyloids from pulmonary endothelial cells, which cause lung and brain injury in naïve animal subjects, independent of the primary infection. The contribution of infection-elicited cytotoxic tau and amyloids to end-organ dysfunction has not been examined in the clinical setting. We hypothesized that cytotoxic tau and amyloids are present in the bronchoalveolar lavage fluid of critically ill patients with bacterial pneumonia and that these tau/amyloids are associated with …
Isothiocyanates Potentiate Tazemetostat-Induced Apoptosis By Modulating The Expression Of Apoptotic Genes, Members Of Polycomb Repressive Complex 2, And Levels Of Tri-Methylating Lysine 27 At Histone 3 In Human Malignant Melanoma Cells, Ioannis Anestopoulos, Ioannis Paraskevaidis, Sotiris Kyriakou, Lambrini E. Giova, Dimitrios T. Trafalis, Sotiris Botaitis, Rodrigo Franco, Aglaia Pappa, Mihalis L. Panayiotidis
Isothiocyanates Potentiate Tazemetostat-Induced Apoptosis By Modulating The Expression Of Apoptotic Genes, Members Of Polycomb Repressive Complex 2, And Levels Of Tri-Methylating Lysine 27 At Histone 3 In Human Malignant Melanoma Cells, Ioannis Anestopoulos, Ioannis Paraskevaidis, Sotiris Kyriakou, Lambrini E. Giova, Dimitrios T. Trafalis, Sotiris Botaitis, Rodrigo Franco, Aglaia Pappa, Mihalis L. Panayiotidis
School of Veterinary and Biomedical Sciences: Faculty Publications
In this study, we utilized an in vitro model consisting of human malignant melanoma as well as non-tumorigenic immortalized keratinocyte cells with the aim of characterizing the therapeutic effectiveness of the clinical epigenetic drug Tazemetostat alone or in combination with various isothiocyanates. In doing so, we assessed markers of cell viability, apoptotic induction, and expression levels of key proteins capable of mediating the therapeutic response. Our data indicated, for the first time, that Tazemetostat caused a significant decrease in viability levels of malignant melanoma cells in a dose- and time-dependent manner via the induction of apoptosis, while non-malignant keratinocytes were …
Notes From The Field: Reemergence Of Mycoplasma Pneumoniae Infections In Children And Adolescents After The Covid-19 Pandemic, United States, 2018-2024., Chris Edens, Benjamin R. Clopper, Jourdan Devies, Alvaro Benitez, Erin R. Mckeever, Dylan Johns, Bernard Wolff, Rangaraj Selvarangan, Jennifer E. Schuster, Geoffrey A. Weinberg, Peter G. Szilagyi, Fatimah S. Dawood, Lakshmi Radhakrishnan, Christina Quigley, Leila C. Sahni, Natasha Halasa, Laura S. Stewart, Meredith L. Mcmorrow, Brett Whitaker, Danielle M. Zerr, Vasanthi Avadhanula, John V. Williams, Marian G. Michaels, Aaron Kite-Powell, Janet A. Englund, Mary Allen Staat, Kathleen Hartnett, Heidi L. Moline, Adam L. Cohen, Maureen Diaz
Notes From The Field: Reemergence Of Mycoplasma Pneumoniae Infections In Children And Adolescents After The Covid-19 Pandemic, United States, 2018-2024., Chris Edens, Benjamin R. Clopper, Jourdan Devies, Alvaro Benitez, Erin R. Mckeever, Dylan Johns, Bernard Wolff, Rangaraj Selvarangan, Jennifer E. Schuster, Geoffrey A. Weinberg, Peter G. Szilagyi, Fatimah S. Dawood, Lakshmi Radhakrishnan, Christina Quigley, Leila C. Sahni, Natasha Halasa, Laura S. Stewart, Meredith L. Mcmorrow, Brett Whitaker, Danielle M. Zerr, Vasanthi Avadhanula, John V. Williams, Marian G. Michaels, Aaron Kite-Powell, Janet A. Englund, Mary Allen Staat, Kathleen Hartnett, Heidi L. Moline, Adam L. Cohen, Maureen Diaz
Manuscripts, Articles, Book Chapters and Other Papers
No abstract provided.
Tailoring T Fh Profiles Enhances Antibody Persistence To A Clade C Hiv-1 Vaccine In Rhesus Macaques, Anil Verma, Chase E. Hawes, Sonny R. Elizaldi, Justin C. Smith, Dhivyaa Rajasundaram, Gabriel Kristian Pedersen, Xiaoying Shen, La Tonya D. Williams, Georgia D. Tomaras, Pamela A. Kozlowski, Rama R. Amara, Smita S. Iyer
Tailoring T Fh Profiles Enhances Antibody Persistence To A Clade C Hiv-1 Vaccine In Rhesus Macaques, Anil Verma, Chase E. Hawes, Sonny R. Elizaldi, Justin C. Smith, Dhivyaa Rajasundaram, Gabriel Kristian Pedersen, Xiaoying Shen, La Tonya D. Williams, Georgia D. Tomaras, Pamela A. Kozlowski, Rama R. Amara, Smita S. Iyer
School of Medicine Faculty Publications
CD4 T follicular helper cells (Tfh) are essential for establishing serological memory and have distinct helper attributes that impact both the quantity and quality of the antibody response. Insights into Tfh subsets that promote antibody persistence and functional capacity can critically inform vaccine design. Based on the Tfh profiles evoked by the live attenuated measles virus vaccine, renowned for its ability to establish durable humoral immunity, we investigated the potential of a Tfh1/17 recall response during the boost phase to enhance persistence of HIV-1 Envelope (Env) antibodies in rhesus macaques. Using a DNA-prime encoding gp160 antigen and Tfh polarizing cytokines …
Immunotherapy Resistance In Solid Tumors: Mechanisms And Potential Solutions, Daniel Lefler, Steven Manobianco, Babar Bashir
Immunotherapy Resistance In Solid Tumors: Mechanisms And Potential Solutions, Daniel Lefler, Steven Manobianco, Babar Bashir
Kimmel Cancer Center Faculty Papers
While the emergence of immunotherapies has fundamentally altered the management of solid tumors, cancers exploit many complex biological mechanisms that result in resistance to these agents. These encompass a broad range of cellular activities - from modification of traditional paradigms of immunity via antigen presentation and immunoregulation to metabolic modifications and manipulation of the tumor microenvironment. Intervening on these intricate processes may provide clinical benefit in patients with solid tumors by overcoming resistance to immunotherapies, which is why it has become an area of tremendous research interest with practice-changing implications. This review details the major ways cancers avoid both natural …
Immunostimulatory Short Non-Coding Rnas In The Circulation Of Patients With Tuberculosis Infection, Justin Gumas, Takuya Kawamura, Megumi Shigematsu, Yohei Kirino
Immunostimulatory Short Non-Coding Rnas In The Circulation Of Patients With Tuberculosis Infection, Justin Gumas, Takuya Kawamura, Megumi Shigematsu, Yohei Kirino
Computational Medicine Center Faculty Papers
Mycobacterium tuberculosis (Mtb) infection is among the world's deadliest infectious diseases. Developing effective treatments and biomarkers for tuberculosis requires a deeper understanding of its pathobiology and host responses. Here, we report a comprehensive characterization of circulating short non-coding RNAs (sncRNAs) in plasma samples from Mtb-infected patients. We achieved this by pre-treating plasma RNAs with T4 polynucleotide kinase to convert all RNA ends to those compatible with sncRNA sequencing. We discovered a global and drastic upregulation of plasma sncRNAs in Mtb-infected patients, with tRNA-derived sncRNAs representing the most dramatically elevated class. Most of these tRNA-derived sncRNAs originated from a limited subset …
Application Of Dna Barcodes In The Genetic Diversity Of Hard Ticks (Acari: Ixodidae) In Kazakhstan, Ziwei Zheng, Weixin Zeng, Suwen Wang, Wenbo Tan, Xiaobo Lu, Kenesbay Kairullayev, Ligu Mi, Wurelihazi Hazihan, Gang Liu, Meihua Yang, Yuanzhi Wang
Application Of Dna Barcodes In The Genetic Diversity Of Hard Ticks (Acari: Ixodidae) In Kazakhstan, Ziwei Zheng, Weixin Zeng, Suwen Wang, Wenbo Tan, Xiaobo Lu, Kenesbay Kairullayev, Ligu Mi, Wurelihazi Hazihan, Gang Liu, Meihua Yang, Yuanzhi Wang
Harold W. Manter Laboratory of Parasitology: Library Materials
Forty-five tick species have been recorded in Kazakhstan. However, their genetic diversity and evolutionary relationships, particularly when compared to ticks in neighbouring countries, remain unclear. In the present study, 148 mitochondrial cytochrome c oxidase subunit I (COI) sequence data from our laboratory and NCBI (National Center for Biotechnology Information; https://www.ncbi.nlm.nih.gov/) data were used to address this knowledge gap. Phylogenetic analyses showed that i) Hyalomma anatolicum anatolicum (Koch, 1844) ticks from Jambyl Oblast (southeastern Kazakhstan) and Gansu Province (northwestern China) constituted a newly deviated clade; and ii) Dermacentor reticulatus (Fabricius, 1974) ticks from South Kazakhstan Oblast were closer …
Factors Associated With Reduced Depression And Suicide Risk Among Mäori High School Students In New Zealand, Terryann C. Clark
Factors Associated With Reduced Depression And Suicide Risk Among Mäori High School Students In New Zealand, Terryann C. Clark
Dissertations
Mäori adolescents, indigenous to New Zealand (NZ), have among the highest rates of depression and suicide in the industrialized world. Fortunately, resilience research demonstrates that promotive factors, such as family and school connections, can markedly reduce mental health problems for vulnerable youth populations. However, to date, this research has never focused on risk and promotive mechanisms related to mental health outcomes for Mäori youth. Such knowledge is a prerequisite for addressing the persistent mental health inequities faced by Mäori young people.
Exploring The Antibacterial Potential And Underlying Mechanisms Of Prunella Vulgaris L On Methicillin-Resistant Staphylococcus Aureus, Ziyin Li, Qiqi He, Feifei Xu, Xinxin Yin, Zhuofan Guan, Jia Song, Zhini He, Xingfen Yang, Chen Situ
Exploring The Antibacterial Potential And Underlying Mechanisms Of Prunella Vulgaris L On Methicillin-Resistant Staphylococcus Aureus, Ziyin Li, Qiqi He, Feifei Xu, Xinxin Yin, Zhuofan Guan, Jia Song, Zhini He, Xingfen Yang, Chen Situ
Faculty, Staff and Student Publications
Prunella vulgaris L. (PV) is a widely distributed plant species, known for its versatile applications in both traditional and contemporary medicine, as well as in functional food development. Despite its broad-spectrum antimicrobial utility, the specific mechanism of antibacterial action remains elusive. To fill this knowledge gap, the present study investigated the antibacterial properties of PV extracts against methicillin-resistant Staphylococcus aureus (MRSA) and assessed their mechanistic impact on bacterial cells and cellular functions. The aqueous extract of PV demonstrated greater anti-MRSA activity compared to the ethanolic and methanolic extracts. UPLC-ESI-MS/MS tentatively identified 28 phytochemical components in the aqueous extract of PV. …
Structural Insights Into Peptidoglycan Glycosidase Etga Binding To The Inner Rod Protein Esci Of The Type Iii Secretion System Via A Designed Esci-Etga Fusion Protein, Jacob Boorman, Focco Van Den Akker
Structural Insights Into Peptidoglycan Glycosidase Etga Binding To The Inner Rod Protein Esci Of The Type Iii Secretion System Via A Designed Esci-Etga Fusion Protein, Jacob Boorman, Focco Van Den Akker
Faculty Scholarship
Bacteria express lytic enzymes such as glycosidases, which have potentially self-destructive peptidoglycan (PG)-degrading activity and, therefore, require careful regulation in bacteria. The PG glycosidase EtgA is regulated by localization to the assembling type III secretion system (T3SS), generating a hole in the PG layer for the T3SS to reach the outer membrane. The EtgA localization was found to be mediated via EtgA interacting with the T3SS inner rod protein EscI. To gain structural insights into the EtgA recognition of EscI, we determined the 2.01 Å resolution structure of an EscI (51–87)-linker-EtgA fusion protein designed based on AlphaFold2 predictions. The structure …
'Science By Consensus' Impedes Scientific Creativity And Progress: A Simple Alternative To Funding Biomedical Research, Nejat Düzgüneş
'Science By Consensus' Impedes Scientific Creativity And Progress: A Simple Alternative To Funding Biomedical Research, Nejat Düzgüneş
Pacific Faculty Work
The very low success rates of grant applications to the National Institutes of Health (NIH) and the National Science Foundation (NSF) are highly detrimental to the progress of science and the careers of scientists. The peer review process that evaluates proposals has been claimed arbitrarily to be the best there is. This consensus system, however, has never been evaluated scientifically against an alternative. Here we delineate the 15 major problems with the peer review process. We challenge the Science Advisor to the President, and the leadership of NIH, NSF, the U.S. National Academy of Sciences and other funding agencies throughout …
Antibody Profiling And Predictive Modeling Discriminate Between Kaposi Sarcoma And Asymptomatic Kshv Infection, Sydney J. Bennett, Dicle Yalcin, Sara R. Privatt, Owen Ngalamika, Salum J. Lidenge, John T. West, Charles Wood
Antibody Profiling And Predictive Modeling Discriminate Between Kaposi Sarcoma And Asymptomatic Kshv Infection, Sydney J. Bennett, Dicle Yalcin, Sara R. Privatt, Owen Ngalamika, Salum J. Lidenge, John T. West, Charles Wood
School of Biological Sciences: Faculty Publications
Protein-level immunodominance patterns against Kaposi sarcoma-associated herpesvirus (KSHV), the aetiologic agent of Kaposi sarcoma (KS), have been revealed from serological probing of whole protein arrays, however, the epitopes that underlie these patterns have not been defined. We recently demonstrated the utility of phage display in high-resolution linear epitope mapping of the KSHV latency-associated nuclear antigen (LANA/ORF73). Here, a VirScan phage immunoprecipitation and sequencing approach, employing a library of 1,988 KSHV proteome-derived peptides, was used to quantify the breadth and magnitude of responses of 59 sub-Saharan African KS patients and 22 KSHV-infected asymptomatic individuals (ASY), and ultimately to support an application …
Bioethics As A Dynamic Issue: Holistic Approaches To Understanding And Applying Ethics To Study Design, Taiye Winful
Bioethics As A Dynamic Issue: Holistic Approaches To Understanding And Applying Ethics To Study Design, Taiye Winful
Human Biology Open Access Pre-Prints
Anthropologists have challenged bioethicists to incorporate more holistic approaches to applying ethics in ‘real world’ situations. Where bioethicists tend to use systematic philosophical approaches to moral dilemmas, anthropologists apply malleable approaches designed to be responsive to variable cultural contexts. For example, anthropologists emphasize the importance of community and the effects of social issues, political economy, and cultural tradition in decision-making. This difference in approach contributes to the contentious relationship between anthropologists and bioethicists. Despite nuanced perspectives, anthropologists have not enjoyed a durable role in shaping contemporary bioethics.
The lack of nuance becomes problematic when researchers attempt to reconcile ethical issues …
A Stool Based Qpcr For The Diagnosis Of Tb In Children And People Living With Hiv In Uganda, Eswatini And Mozambique (Stool4tb): A Protocol For A Multicenter Diagnostic Evaluation, Lucia Carratala-Castro, Willy Ssengooba, Alex Kay, Sozinho Acácio, Joanna Ehrlich, Andrew R Dinardo, Nosisa Shiba, Joachim K Nsubuga, Shilzia Munguambe, Belén Saavedra-Cervera, Patricia Manjate, Durbbin Mulengwa, Busizwe Sibandze, Mangaliso Ziyane, George Kasule, Edson Mambuque, Moorine Penninah Sekadde, Eric Wobudeya, Moses L Joloba, Jan Heyckendorf, Christoph Lange, Sabine Hermans, Anna Mandalakas, Alberto L García-Basteiro, Elisa Lopez-Varela, Stool4tb Global Partnership
A Stool Based Qpcr For The Diagnosis Of Tb In Children And People Living With Hiv In Uganda, Eswatini And Mozambique (Stool4tb): A Protocol For A Multicenter Diagnostic Evaluation, Lucia Carratala-Castro, Willy Ssengooba, Alex Kay, Sozinho Acácio, Joanna Ehrlich, Andrew R Dinardo, Nosisa Shiba, Joachim K Nsubuga, Shilzia Munguambe, Belén Saavedra-Cervera, Patricia Manjate, Durbbin Mulengwa, Busizwe Sibandze, Mangaliso Ziyane, George Kasule, Edson Mambuque, Moorine Penninah Sekadde, Eric Wobudeya, Moses L Joloba, Jan Heyckendorf, Christoph Lange, Sabine Hermans, Anna Mandalakas, Alberto L García-Basteiro, Elisa Lopez-Varela, Stool4tb Global Partnership
Faculty, Staff and Students Publications
BACKGROUND: Tuberculosis (TB) is a major cause of mortality worldwide. Children and people living with HIV (PLHIV) have an increased risk of mortality, particularly in the absence of rapid diagnosis. The main challenges of diagnosing TB in these populations are due to the unspecific and paucibacillary disease presentation and the difficulty of obtaining respiratory samples. Thus, novel diagnostic strategies, based on non-respiratory specimens could improve clinical decision making and TB outcomes in high burden TB settings. We propose a multi-country, prospective diagnostic evaluation study with a nested longitudinal cohort evaluation to assess the performance of a new stool-based qPCR, developed …
Understanding Health Needs In Rural Communities To Lead To Optimal Intervention, Minte J. Dye, Claire C. Baetge, Katelyn Murphy, Mikayla Cole, Miquela Smith, Megan Mcclendon, Mark D. Faries
Understanding Health Needs In Rural Communities To Lead To Optimal Intervention, Minte J. Dye, Claire C. Baetge, Katelyn Murphy, Mikayla Cole, Miquela Smith, Megan Mcclendon, Mark D. Faries
International Journal of Exercise Science: Conference Proceedings
Increased autonomy can lead to better health behaviors and outcomes in rural communities, through improved motivation, supporting personal choice in health decisions, and maintaining trust in community-focused responses. However, public health initiatives often require rigorous, time-consuming methodologies, thus limiting timely assessment of health-related needs and concern and hindering autonomy support and educational program/resource response—particularly when urgency is required. PURPOSE: To evaluate a novel, brief qualitative assessment of immediate needs in rural communities across Texas. This project was a part of a program and resource development phase of a statewide project, Community Conversations on Health, in partnership with the …