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Articles 1 - 30 of 153
Full-Text Articles in Entire DC Network
Gut Microbiota, Blood Metabolites, And Left Ventricular Diastolic Dysfunction In Us Hispanics/Latinos, Kai Luo, Alkis Taryn, Eun-Hye Moon, Brandilyn A Peters, Scott D Solomon, Martha L Daviglus, Mayank M Kansal, Bharat Thyagarajan, Marc D Gellman, Jianwen Cai, Robert D Burk, Rob Knight, Robert C Kaplan, Susan Cheng, Carlos J Rodriguez, Qibin Qi, Bing Yu
Gut Microbiota, Blood Metabolites, And Left Ventricular Diastolic Dysfunction In Us Hispanics/Latinos, Kai Luo, Alkis Taryn, Eun-Hye Moon, Brandilyn A Peters, Scott D Solomon, Martha L Daviglus, Mayank M Kansal, Bharat Thyagarajan, Marc D Gellman, Jianwen Cai, Robert D Burk, Rob Knight, Robert C Kaplan, Susan Cheng, Carlos J Rodriguez, Qibin Qi, Bing Yu
Journal Articles
BACKGROUND: Left ventricular diastolic dysfunction (LVDD) is an important precursor of heart failure (HF), but little is known about its relationship with gut dysbiosis and microbial-related metabolites. By leveraging the multi-omics data from the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), a study with population at high burden of LVDD, we aimed to characterize gut microbiota associated with LVDD and identify metabolite signatures of gut dysbiosis and incident LVDD.
RESULTS: We included up to 1996 Hispanic/Latino adults (mean age: 59.4 years; 67.1% female) with comprehensive echocardiography assessments, gut microbiome, and blood metabolome data. LVDD was defined through a composite criterion …
Allied Dental Students' Perceived Knowledge, Confidence, And Attitudes Regarding Disaster Victim Identification Topics, Samantha C. Vest, Brenda T. Bradshaw, Marsha A. Voelker, Ann M. Bruhn, Tara L. Newcomb, Sinjini Sikdar
Allied Dental Students' Perceived Knowledge, Confidence, And Attitudes Regarding Disaster Victim Identification Topics, Samantha C. Vest, Brenda T. Bradshaw, Marsha A. Voelker, Ann M. Bruhn, Tara L. Newcomb, Sinjini Sikdar
Dental Hygiene Faculty Publications
Purpose Disaster victim identification (DVI) service requires knowledge, confidence, and an attitude (KCA) of readiness. The purpose of this study was to assess allied dental students’ perceived KCA regarding DVI skills and topics.
Methods A convenience sample of senior dental hygiene students (n=27) and senior dental assistant students (n=14) were recruited by email then presented mismatched simulated antemortem (AM) and postmortem (PM) bitewing radiographs and asked to indicate correct matches. Collectively, participants made 205 radiographic matches and indicated 205 degrees of certainty binarily as “positive” or “possible” (one per match). Participants also completed a researcher designed pretest/posttest electronic survey with …
Osteoarthritis Disease Severity In The Temporomandibular Joint And The Knee Joint: A Comparative Cadaveric Study, Jessica A Immonen, Jason Ciccotelli, Linh M Nguyen, Lesley Gilmer, Landen Broadhead, Mackenzie Kitchen, Conner Paul, Jeremy James
Osteoarthritis Disease Severity In The Temporomandibular Joint And The Knee Joint: A Comparative Cadaveric Study, Jessica A Immonen, Jason Ciccotelli, Linh M Nguyen, Lesley Gilmer, Landen Broadhead, Mackenzie Kitchen, Conner Paul, Jeremy James
Journal Articles
OBJECTIVE: The objective of this study was to determine the level of disease severity in a pilot cohort of temporomandibular joints (TMJs) and compare them to the pathology findings previously characterized in cadaveric knee joints.
DESIGN: Thirty-one intact TMJs from 17 cadaveric donors were harvested and arthritic lesioning seen in the knee joint was investigated on the condyle and the fossa of the TMJ. Prevalence of gross alterations was equated and disease severity was determined for sex- and age-based donor pools using a validated, osteoarthritis (OA) disease severity scale (DSS). Knee joint DSS scores were also compared to the TMJ …
Cd13 Facilitates Immune Cell Migration And Aggravates Acute Injury But Promotes Chronic Post-Stroke Recovery, Justin N Nguyen, Eric C Mohan, Gargee Pandya, Uzma Ali, Chunfeng Tan, Julia K Kofler, Linda Shapiro, Sean P Marrelli, Anjali Chauhan
Cd13 Facilitates Immune Cell Migration And Aggravates Acute Injury But Promotes Chronic Post-Stroke Recovery, Justin N Nguyen, Eric C Mohan, Gargee Pandya, Uzma Ali, Chunfeng Tan, Julia K Kofler, Linda Shapiro, Sean P Marrelli, Anjali Chauhan
Journal Articles
Introduction
Acute stroke leads to the activation of myeloid cells. These cells express adhesion molecules and transmigrate to the brain, thereby aggravating injury. Chronically after stroke, repair processes, including angiogenesis, are activated and enhance post-stroke recovery. Activated myeloid cells express CD13, which facilitates their migration into the site of injury. However, angiogenic blood vessels which play a role in recovery also express CD13. Overall, the specific contribution of CD13 to acute and chronic stroke outcomes is unknown.
Methods
CD13 expression was estimated in both mice and humans after the ischemic stroke. Young (8–12 weeks) male wild-type and global CD13 knockout …
State Public Assistance Spending And Survival Among Adults With Cancer, Justin M Barnes, Kenton J Johnston, Kimberly J Johnson, Fumiko Chino, Nosayaba Osazuwa-Peters
State Public Assistance Spending And Survival Among Adults With Cancer, Justin M Barnes, Kenton J Johnston, Kimberly J Johnson, Fumiko Chino, Nosayaba Osazuwa-Peters
2020-Current year OA Pubs
IMPORTANCE: Social determinants of health contribute to disparities in cancer outcomes. State public assistance spending, including Medicaid and cash assistance programs for socioeconomically disadvantaged individuals, may improve access to care; address barriers, such as food and housing insecurity; and lead to improved cancer outcomes for marginalized populations.
OBJECTIVE: To determine whether state-level public assistance spending is associated with overall survival (OS) among individuals with cancer, overall and by race and ethnicity.
DESIGN, SETTING, AND PARTICIPANTS: This cohort study included US adults aged at least 18 years with a new cancer diagnosis from 2007 to 2013, with follow-up through 2019. Data …
Cell Surface B2m-Free Human Leukocyte Antigen (Hla) Monomers And Dimers: Are They Neo-Hla Class And Proto-Hla?, Mepur H. Ravindranath, Narendranath M. Ravindranath, Senthamil R. Selvan, Fatiha El Hilali, Carly J. Amato-Menker, Edward J. Filippone
Cell Surface B2m-Free Human Leukocyte Antigen (Hla) Monomers And Dimers: Are They Neo-Hla Class And Proto-Hla?, Mepur H. Ravindranath, Narendranath M. Ravindranath, Senthamil R. Selvan, Fatiha El Hilali, Carly J. Amato-Menker, Edward J. Filippone
Division of Nephrology Faculty Papers
Cell surface HLA-I molecules (Face-1) consist of a polypeptide heavy chain (HC) with two groove domains (G domain) and one constant domain (C-domain) as well as a light chain, B2-microglobulin (B2m). However, HCs can also independently emerge unfolded on the cell surface without peptides as B2m-free HC monomers (Face-2), B2m-free HC homodimers (Face 3), and B2m-free HC heterodimers (Face-4). The transport of these HLA variants from ER to the cell surface was confirmed by antiviral antibiotics that arrest the release of newly synthesized proteins from the ER. Face-2 occurs at low levels on the normal cell surface of the lung, …
Long-Term Outcomes Of Bevacizumab And Chemoradiation For Locoregionally Advanced Nasopharyngeal Carcinoma: A Nonrandomized Controlled Trial, Nancy Y. Lee, Jonathan Harris, John Kim, Adam Garden, James Mechalakos, David G. Pfister, Anthony T.C. Chan, Kenneth Hu, A. Dimitrios Colevas, Steven Frank, George Shenouda, Voichita Bar-Ad, John N. Waldron, Paul M. Harari, Adam Raben, Pedro Torres-Saavedra, Quynh-Thu Le
Long-Term Outcomes Of Bevacizumab And Chemoradiation For Locoregionally Advanced Nasopharyngeal Carcinoma: A Nonrandomized Controlled Trial, Nancy Y. Lee, Jonathan Harris, John Kim, Adam Garden, James Mechalakos, David G. Pfister, Anthony T.C. Chan, Kenneth Hu, A. Dimitrios Colevas, Steven Frank, George Shenouda, Voichita Bar-Ad, John N. Waldron, Paul M. Harari, Adam Raben, Pedro Torres-Saavedra, Quynh-Thu Le
Department of Radiation Oncology Faculty Papers
IMPORTANCE: The long-term outcomes associated with adding bevacizumab, a vascular endothelial growth factor inhibitor, to standard chemoradiation have continued to be favorable for a group of patients with locoregionally advanced nasopharyngeal carcinoma (NPC).
OBJECTIVE: To assess long-term toxic effects and clinical outcomes associated with chemotherapy, radiation therapy (RT), and bevacizumab for NPC.
DESIGN, SETTING, AND PARTICIPANTS: This single-arm phase II nonrandomized controlled trial was conducted by the National Cancer Trials Network group and NRG Oncology (formerly Radiation Therapy Oncology Group), with accrual from December 13, 2006, to February 5, 2009, and data analysis from June 26 to July 1, 2019. …
Neurocomputational Mechanisms Of Food And Physical Activity Decision-Making In Male Adolescents., Seung-Lark Lim, Amanda S. Bruce, Robin P. Shook
Neurocomputational Mechanisms Of Food And Physical Activity Decision-Making In Male Adolescents., Seung-Lark Lim, Amanda S. Bruce, Robin P. Shook
Manuscripts, Articles, Book Chapters and Other Papers
We examined the neurocomputational mechanisms in which male adolescents make food and physical activity decisions and how those processes are influenced by body weight and physical activity levels. After physical activity and dietary assessments, thirty-eight males ages 14-18 completed the behavioral rating and fMRI decision tasks for food and physical activity items. The food and physical activity self-control decisions were significantly correlated with each other. In both, taste- or enjoyment-oriented processes were negatively associated with successful self-control decisions, while health-oriented processes were positively associated. The correlation between taste/enjoyment and healthy attribute ratings predicted actual laboratory food intake and physical activities …
Linoleic Acid Improves Piezo2 Dysfunction In A Mouse Model Of Angelman Syndrome, Luis O Romero, Rebeca Caires, A Kaitlyn Victor, Juanma Ramirez, Francisco J Sierra-Valdez, Patrick Walsh, Vincent Truong, Jungsoo Lee, Ugo Mayor, Lawrence T Reiter, Valeria Vásquez, Julio F Cordero-Morales
Linoleic Acid Improves Piezo2 Dysfunction In A Mouse Model Of Angelman Syndrome, Luis O Romero, Rebeca Caires, A Kaitlyn Victor, Juanma Ramirez, Francisco J Sierra-Valdez, Patrick Walsh, Vincent Truong, Jungsoo Lee, Ugo Mayor, Lawrence T Reiter, Valeria Vásquez, Julio F Cordero-Morales
Journal Articles
Angelman syndrome (AS) is a neurogenetic disorder characterized by intellectual disability and atypical behaviors. AS results from loss of expression of the E3 ubiquitin-protein ligase UBE3A from the maternal allele in neurons. Individuals with AS display impaired coordination, poor balance, and gait ataxia. PIEZO2 is a mechanosensitive ion channel essential for coordination and balance. Here, we report that PIEZO2 activity is reduced in Ube3a deficient male and female mouse sensory neurons, a human Merkel cell carcinoma cell line and female human iPSC-derived sensory neurons with UBE3A knock-down, and de-identified stem cell-derived neurons from individuals with AS. We find that loss …
Factors Associated With Prevalent Mycobacterium Tuberculosis Infection And Disease Among Adolescents And Adults Exposed To Rifampin-Resistant Tuberculosis In The Household, Soyeon Kim, Anneke C. Hesseling, Xingye Wu, Michael D. Hughes, N. Sarita Shah, Sanjay Gaikwad, Nishi Kumarasamy, Erika Mitchell, Mey Leon, Pedro Gonzales, Sharlaa Badal-Faesen, Madeleine Lourens, Sandy Nerette, Justin Shenje, Petra De Koker, Supalert Nedsuwan, Lerato Mohapi, Unoda A. Chakalisa, Rosie Mngqbisa, Rodrigo Otávio Da Silva Escada, Samuel Ouma, Barbara Heckman, Linda Naini, Amita Gupta, Susan Swindells, Gavin Churchyard, Actg A5300/Impaact 2003 Phoenix Feasibility Study Team
Factors Associated With Prevalent Mycobacterium Tuberculosis Infection And Disease Among Adolescents And Adults Exposed To Rifampin-Resistant Tuberculosis In The Household, Soyeon Kim, Anneke C. Hesseling, Xingye Wu, Michael D. Hughes, N. Sarita Shah, Sanjay Gaikwad, Nishi Kumarasamy, Erika Mitchell, Mey Leon, Pedro Gonzales, Sharlaa Badal-Faesen, Madeleine Lourens, Sandy Nerette, Justin Shenje, Petra De Koker, Supalert Nedsuwan, Lerato Mohapi, Unoda A. Chakalisa, Rosie Mngqbisa, Rodrigo Otávio Da Silva Escada, Samuel Ouma, Barbara Heckman, Linda Naini, Amita Gupta, Susan Swindells, Gavin Churchyard, Actg A5300/Impaact 2003 Phoenix Feasibility Study Team
Journal Articles: Infectious Diseases
BACKGROUND: Understanding factors associated with prevalent Mycobacterium tuberculosis infection and prevalent TB disease in household contacts of patients with drug-resistant tuberculosis (TB) may be useful for TB program staff conducting contact investigations.
METHODS: Using data from a cross-sectional study that enrolled index participants with rifampin-resistant pulmonary TB and their household contacts (HHCs), we evaluated HHCs age ≥15 years for factors associated with two outcomes: Mycobacterium tuberculosis infection and TB disease. Among HHCs who were not already diagnosed with current active TB disease by the TB program, Mycobacterium tuberculosis infection was determined by interferon-gamma release assay (IGRA). TB disease was adjudicated …
Association Of Renin Angiotensin Aldosterone System Inhibitors And Outcomes Of Hospitalized Patients With Covid-19., Neha Gupta, Lisa Settle, Brent R Brown, Donna L Armaignac, Michael Baram, Nicholas E Perkins, Margit Kaufman, Roman R Melamed, Amy B Christie, Valerie C Danesh, Joshua L Denson, Sreekanth R Cheruku, Karen Boman, Vikas Bansal, Vishakha K Kumar, Allan J Walkey, Juan P Domecq, Rahul Kashyap, Christopher E Aston
Association Of Renin Angiotensin Aldosterone System Inhibitors And Outcomes Of Hospitalized Patients With Covid-19., Neha Gupta, Lisa Settle, Brent R Brown, Donna L Armaignac, Michael Baram, Nicholas E Perkins, Margit Kaufman, Roman R Melamed, Amy B Christie, Valerie C Danesh, Joshua L Denson, Sreekanth R Cheruku, Karen Boman, Vikas Bansal, Vishakha K Kumar, Allan J Walkey, Juan P Domecq, Rahul Kashyap, Christopher E Aston
Journal Articles
OBJECTIVES: To determine the association of prior use of renin-angiotensin-aldosterone system inhibitors (RAASIs) with mortality and outcomes in hospitalized patients with COVID-19.
DESIGN: Retrospective observational study.
SETTING: Multicenter, international COVID-19 registry.
SUBJECTS: Adult hospitalized COVID-19 patients on antihypertensive agents (AHAs) prior to admission, admitted from March 31, 2020, to March 10, 2021.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: Data were compared between three groups: patients on RAASIs only, other AHAs only, and those on both medications. Multivariable logistic and linear regressions were performed after controlling for prehospitalization characteristics to estimate the effect of RAASIs on mortality and other outcomes during …
Help Is Available: Supporting Mental Wellness Through Peer Health Navigation With Young Black Men Who Have Sex With Men With Hiv, Donald R Gerke, Jeff Glotfelty, Maria Freshman, Julia Schlueter, Alex Ochs, Katie Plax
Help Is Available: Supporting Mental Wellness Through Peer Health Navigation With Young Black Men Who Have Sex With Men With Hiv, Donald R Gerke, Jeff Glotfelty, Maria Freshman, Julia Schlueter, Alex Ochs, Katie Plax
2020-Current year OA Pubs
Young black men who have sex with men (YBMSM) with HIV experience disproportionate rates of trauma, incarceration, poverty, racial discrimination, and homophobia. The synergistic effects of these adverse experiences, along with increased rates of mental health disorders, increase their risk for poor health. To address this need, the study authors adapted a current HIV service model to include a peer-health navigation intervention (WITH U) to attend to behavioral health, health literacy, linkage to services, and psychosocial support for YBMSM with HIV. This longitudinal, mixed-methods, nonexperimental study reports on the mental health burden among participants and the association between participation in …
Association Of State Medicaid Expansion Status With Rates Of Suicide Among Us Adults, Hetal Patel, Justin Barnes, Nosayaba Osazuwa-Peters, Laura Jean Bierut
Association Of State Medicaid Expansion Status With Rates Of Suicide Among Us Adults, Hetal Patel, Justin Barnes, Nosayaba Osazuwa-Peters, Laura Jean Bierut
2020-Current year OA Pubs
Importance: In the US, suicide is the 10th leading cause of death and a serious mental health emergency. National programs that address suicide list access to mental health care as key in prevention, and more large-scale policies are needed to improve access to mental health care and address this crisis. The Patient Protection and Affordable Care Act (ACA) Medicaid Expansion Program was implemented in several states with the goal of increasing access to the health care system.
Objective: To compare changes in suicide rates in states that expanded Medicaid under the ACA vs states that did not.
Design, Setting, and …
Assessment Of Oral And Overall Health Parameters Using The Sillha Oral Wellness System, Shawn S Adibi, Ryan Hanson, David F Fray, Tania Abedi, Brianna Neil, Danielle Maher, Gena Tribble, Ben F Warner, Mary C Farach-Carson
Assessment Of Oral And Overall Health Parameters Using The Sillha Oral Wellness System, Shawn S Adibi, Ryan Hanson, David F Fray, Tania Abedi, Brianna Neil, Danielle Maher, Gena Tribble, Ben F Warner, Mary C Farach-Carson
Journal Articles
OBJECTIVE: The study evaluated use of a multipoint saliva analyzer to assess patient wellness in a contemporary dental practice setting.
STUDY DESIGN: Unstimulated saliva from a diverse 104 patient cohort was analyzed using the SillHa Oral Wellness System. The device measures the following 7 analytes present in the patient's oral rinse: cariogenic bacteria, acidity, buffer capacity, blood, leukocytes, protein, and ammonia. Data obtained were compared with validated clinical assessment data independently provided by credentialed dental professionals.
RESULTS: Measured leukocyte and protein levels were higher in patients with periodontal disease and/or deep gingival pockets. Patients with a history of cancer and/or …
Sex-Specific Alterations In Hepatic Cholesterol Metabolism In Low Birth Weight Adult Guinea Pigs., Ousseynou Sarr, Katherine E Mathers, Christina Vanderboor, Kristina Wiggers, Aditya Devgan, Daniel B Hardy, Lin Zhao, Timothy Regnault
Sex-Specific Alterations In Hepatic Cholesterol Metabolism In Low Birth Weight Adult Guinea Pigs., Ousseynou Sarr, Katherine E Mathers, Christina Vanderboor, Kristina Wiggers, Aditya Devgan, Daniel B Hardy, Lin Zhao, Timothy Regnault
Paediatrics Publications
BACKGROUND: Intrauterine growth restriction and low birth weight (LBW) have been widely reported as an independent risk factor for adult hypercholesterolaemia and increased hepatic cholesterol in a sex-specific manner. However, the specific impact of uteroplacental insufficiency (UPI), a leading cause of LBW in developed world, on hepatic cholesterol metabolism in later life, is ill defined and is clinically relevant in understanding later life liver metabolic health trajectories.
METHODS: Hepatic cholesterol, transcriptome, cholesterol homoeostasis regulatory proteins, and antioxidant markers were studied in UPI-induced LBW and normal birth weight (NBW) male and female guinea pigs at 150 days.
RESULTS: Hepatic free and …
Sex-Based Differences In Functional Brain Activity During Working Memory In Survivors Of Pediatric Acute Lymphoblastic Leukemia, Kellen Gandy, Matthew A Scoggins, Nicholas Phillips, Ellen Van Der Plas, Slim Fellah, Lisa M Jacola, Ching-Hon Pui, Melissa M Hudson, Wilburn E Reddick, Ranganatha Sitaram, Kevin R Krull
Sex-Based Differences In Functional Brain Activity During Working Memory In Survivors Of Pediatric Acute Lymphoblastic Leukemia, Kellen Gandy, Matthew A Scoggins, Nicholas Phillips, Ellen Van Der Plas, Slim Fellah, Lisa M Jacola, Ching-Hon Pui, Melissa M Hudson, Wilburn E Reddick, Ranganatha Sitaram, Kevin R Krull
2020-Current year OA Pubs
BACKGROUND: Long-term survivors of pediatric acute lymphoblastic leukemia are at elevated risk for neurocognitive deficits and corresponding brain dysfunction. This study examined sex-based differences in functional neuroimaging outcomes in acute lymphoblastic leukemia survivors treated with chemotherapy alone.
METHODS: Functional magnetic resonance imaging (fMRI) and neurocognitive testing were obtained in 123 survivors (46% male; median [min-max] age = 14.2 years [8.3-26.5 years]; time since diagnosis = 7.7 years [5.1-12.5 years]) treated on the St. Jude Total XV treatment protocol. Participants performed the n-back working memory task in a 3 T scanner. Functional neuroimaging data were processed (realigned, slice time corrected, normalized, …
Sustained Efficacy And Safety Of Burosumab, A Monoclonal Antibody To Fgf23, In Children With X-Linked Hypophosphatemia, Agnès Linglart, Erik A Imel, Michael P Whyte, Anthony A Portale, Wolfgang Högler, Annemieke M Boot, Raja Padidela, William Van't Hoff, Gary S Gottesman, Angel Chen, Alison Skrinar, Mary Scott Roberts, Thomas O Carpenter
Sustained Efficacy And Safety Of Burosumab, A Monoclonal Antibody To Fgf23, In Children With X-Linked Hypophosphatemia, Agnès Linglart, Erik A Imel, Michael P Whyte, Anthony A Portale, Wolfgang Högler, Annemieke M Boot, Raja Padidela, William Van't Hoff, Gary S Gottesman, Angel Chen, Alison Skrinar, Mary Scott Roberts, Thomas O Carpenter
2020-Current year OA Pubs
PURPOSE: In X-linked hypophosphatemia (XLH), excess fibroblast growth factor-23 causes hypophosphatemia and low calcitriol, leading to musculoskeletal disease with clinical consequences. XLH treatment options include conventional oral phosphate with active vitamin D, or monotherapy with burosumab, a monoclonal antibody approved to treat children and adults with XLH. We have previously reported outcomes up to 64 weeks, and here we report safety and efficacy follow-up results up to 160 weeks from an open-label, multicenter, randomized, dose-finding trial of burosumab for 5- to 12-year-old children with XLH.
METHODS: After 1 week of conventional therapy washout, patients were randomized 1:1 to burosumab every …
A Taxonomy Of Childhood Pedal Cyclist Injuries From Latent Class Analysis: Associations With Factors Pertinent To Prevention, Joseph Piatt
A Taxonomy Of Childhood Pedal Cyclist Injuries From Latent Class Analysis: Associations With Factors Pertinent To Prevention, Joseph Piatt
Department of Neurosurgery Faculty Papers
Background: Studies of pedal cyclist injuries have largely focused on individual injury categories, but every region of the cyclist's body is exposed to potential trauma. Real-world injury patterns can be complex, and isolated injuries to one body part are uncommon among casualties requiring hospitalization. Latent class analysis (LCA) may identify important patterns in heterogeneous samples of qualitative data.
Methods: Data were taken from the Trauma Quality Improvement Program of the American College of Surgeons for 2017. Inclusion criteria were age 18 years or less and an external cause of injury code for pedal cyclist. Injuries were characterized by Abbreviated Injury …
De-Identification Procedures For Magnetic Resonance Images And The Impact On Structural Brain Measures At Different Ages, Elizabeth E L Buimer, Hugo G Schnack, Yaron Caspi, Neeltje E M Van Haren, Mikhail Milchenko, Pascal Pas, Alzheimer's Disease Neuroimaging Initiative, Hilleke E Hulshoff Pol, Rachel M Brouwer
De-Identification Procedures For Magnetic Resonance Images And The Impact On Structural Brain Measures At Different Ages, Elizabeth E L Buimer, Hugo G Schnack, Yaron Caspi, Neeltje E M Van Haren, Mikhail Milchenko, Pascal Pas, Alzheimer's Disease Neuroimaging Initiative, Hilleke E Hulshoff Pol, Rachel M Brouwer
2020-Current year OA Pubs
Surface rendering of MRI brain scans may lead to identification of the participant through facial characteristics. In this study, we evaluate three methods that overwrite voxels containing privacy-sensitive information: Face Masking, FreeSurfer defacing, and FSL defacing. We included structural T1-weighted MRI scans of children, young adults and older adults. For the young adults, test-retest data were included with a 1-week interval. The effects of the de-identification methods were quantified using different statistics to capture random variation and systematic noise in measures obtained through the FreeSurfer processing pipeline. Face Masking and FSL defacing impacted brain voxels in some scans especially in …
Covid-19 And The Impact On Rural And Black Church Congregants: Results Of The C-M-C Project, Lovoria B. Williams, Anita F. Fernander, Tofial Azam, Maria L. Gomez, Junghee Kang, Cassidy L. Moody, Hannah Bowman, Nancy E. Schoenberg
Covid-19 And The Impact On Rural And Black Church Congregants: Results Of The C-M-C Project, Lovoria B. Williams, Anita F. Fernander, Tofial Azam, Maria L. Gomez, Junghee Kang, Cassidy L. Moody, Hannah Bowman, Nancy E. Schoenberg
Nursing Faculty Publications
The COVID-19 pandemic has had devastating effects on Black and rural populations with a mortality rate among Blacks three times that of Whites and both rural and Black populations experiencing limited access to COVID-19 resources. The primary purpose of this study was to explore the health, financial, and psychological impact of COVID-19 among rural White Appalachian and Black nonrural central Kentucky church congregants. Secondarily we sought to examine the association between sociodemographics and behaviors, attitudes, and beliefs regarding COVID-19 and intent to vaccinate. We used a cross sectional survey design developed with the constructs of the Health Belief and Theory …
Reduced Mitochondrial Dna And Oxphos Protein Content In Skeletal Muscle Of Children With Cerebral Palsy, Ferdinand Von Walden, Ivan J. Vechetti Jr., Davis A. Englund, Vandré C. Figueiredo, Rodrigo Fernandez-Gonzalo, Kevin A. Murach, Jessica Pingel, John J. Mccarthy, Per Stål, Eva Pontén
Reduced Mitochondrial Dna And Oxphos Protein Content In Skeletal Muscle Of Children With Cerebral Palsy, Ferdinand Von Walden, Ivan J. Vechetti Jr., Davis A. Englund, Vandré C. Figueiredo, Rodrigo Fernandez-Gonzalo, Kevin A. Murach, Jessica Pingel, John J. Mccarthy, Per Stål, Eva Pontén
Physiology Faculty Publications
AIM: To provide a detailed gene and protein expression analysis related to mitochondrial biogenesis and assess mitochondrial content in skeletal muscle of children with cerebral palsy (CP).
METHOD: Biceps brachii muscle samples were collected from 19 children with CP (mean [SD] age 15y 4mo [2y 6mo], range 9-18y, 16 males, three females) and 10 typically developing comparison children (mean [SD] age 15y [4y], range 7-21y, eight males, two females). Gene expression (quantitative reverse transcription polymerase chain reaction [PCR]), mitochondrial DNA (mtDNA) to genomic DNA ratio (quantitative PCR), and protein abundance (western blotting) were analyzed. Microarray data sets (CP/aging/bed rest) were …
Papillary Fibroelastoma In Differential Diagnosis Of Left Atrial Appendage Masses, Anthony Alozie, Annette Zimpfer, Andreas Erbersdobler, Felix G Meinel, Pascal M Dohmen, Alper Öner
Papillary Fibroelastoma In Differential Diagnosis Of Left Atrial Appendage Masses, Anthony Alozie, Annette Zimpfer, Andreas Erbersdobler, Felix G Meinel, Pascal M Dohmen, Alper Öner
The Texas Heart Institute Journal
Papillary fibroelastomas are benign tumors that usually originate from cardiac valves but may have other endocardial origins. We report the cases of 2 patients in whom left atrial appendage masses were initially diagnosed as thrombus. They were treated for embolic stroke and their symptoms resolved; however, their left atrial appendage masses did not regress. After surgery, histologic analysis of the resected masses revealed papillary fibroelastoma in both cases. We discuss the diagnostic and therapeutic dilemmas encountered in patients with papillary fibroelastomas and cardiac masses other than thrombus.
Occupational Health Practices Among Dental Care Professionals Before And During The Covid-19 Pandemic, Sean Banaee, Denise M. Claiborne, Muge Akpinar-Elci
Occupational Health Practices Among Dental Care Professionals Before And During The Covid-19 Pandemic, Sean Banaee, Denise M. Claiborne, Muge Akpinar-Elci
Community & Environmental Health Faculty Publications
BACKGROUND: The COVID-19 pandemic has posed a substantial burden on dental care professionals. While dentistry is known as one of the most exposed and high-risk professions, dental care professionals are indeed at even greater risk.
OBJECTIVE: The aim of this study was to assess knowledge, attitudes, occupational health practices, personal protective equipment usage, and mental stressors during COVID-19 pandemic among dental care professionals.
METHODS: A cross-sectional study was conducted among dental care professionals who were subscribers to a dental hygiene journal using a self-administered online survey (n = 1047 respondents). Cross-tabulations were performed to determine differences in the responses to …
Impact Of Diabetes On The Gut And Salivary Iga Microbiomes, Eric L Brown, Heather T Essigmann, Kristi L Hoffman, Noah W Palm, Sarah M Gunter, Joel M Sederstrom, Joseph F Petrosino, Goo Jun, David Aguilar, William B Perkison, Craig L Hanis, Herbert L Dupont
Impact Of Diabetes On The Gut And Salivary Iga Microbiomes, Eric L Brown, Heather T Essigmann, Kristi L Hoffman, Noah W Palm, Sarah M Gunter, Joel M Sederstrom, Joseph F Petrosino, Goo Jun, David Aguilar, William B Perkison, Craig L Hanis, Herbert L Dupont
Journal Articles
Mucosal surfaces like those present in the lung, gut, and mouth interface with distinct external environments. These mucosal gateways are not only portals of entry for potential pathogens but also homes to microbial communities that impact host health. Secretory immunoglobulin A (SIgA) is the single most abundant acquired immune component secreted onto mucosal surfaces and, via the process of immune exclusion, shapes the architecture of these microbiomes. Not all microorganisms at mucosal surfaces are targeted by SIgA; therefore, a better understanding of the SIgA-coated fraction may identify the microbial constituents that stimulate host immune responses in the context of health …
Association Of Patient-Centered Medical Home Designation And Quality Indicators Within Hrsa-Funded Community Health Center Delivery Sites, Nathaniel Bell, Rebecca Wilkerson, Kathy Mayfield-Smith, Ana Lòpez-De Fede
Association Of Patient-Centered Medical Home Designation And Quality Indicators Within Hrsa-Funded Community Health Center Delivery Sites, Nathaniel Bell, Rebecca Wilkerson, Kathy Mayfield-Smith, Ana Lòpez-De Fede
Faculty Publications
BACKGROUND: Patient-Centered Medical Home (PCMH) adoption is an important strategy to help improve primary care quality within Health Resources and Service Administration (HRSA) community health centers (CHC), but evidence of its effect thus far remains mixed. A limitation of previous evaluations has been the inability to account for the proportion of CHC delivery sites that are designated medical homes.
METHODS: Retrospective cross-sectional study using HRSA Uniform Data System (UDS) and certification files from the National Committee for Quality Assurance (NCQA) and the Joint Commission (JC). Datasets were linked through geocoding and an approximate string-matching algorithm. Predicted probability scores were …
Unexpected Brain Imaging Findings In Patients With Seizures, Boulenouar Mesraoua, Matthias Koepp, Bernhard Schuknecht, Dirk Deleu, Hassan J Al Hail, Gayane Melikyan, Lubna Elsheikh, A A Asadi-Pooya
Unexpected Brain Imaging Findings In Patients With Seizures, Boulenouar Mesraoua, Matthias Koepp, Bernhard Schuknecht, Dirk Deleu, Hassan J Al Hail, Gayane Melikyan, Lubna Elsheikh, A A Asadi-Pooya
Department of Neurology Faculty Papers
New imaging technologies have advanced our ability to localize the epileptogenic zone in patients with epilepsy. As a result of the constant improvement of the image quality, magnetic resonance imaging (MRI) has become the most important ancillary tool in the management of patients with epilepsy. Magnetic resonance imaging for the evaluation of patients with epilepsy should be done using a special temporal lobe protocol and read by physicians experienced with the findings in patients with epilepsy. On the other hand, in the healthy populations, incidental structural brain abnormalities have been reported in 18% of people. Incidental, subtle, or unexpected structural …
Oral Leukoplakia And Risk Of Progression To Oral Cancer: A Population-Based Cohort Study, Anil K Chaturvedi, Natalia Udaltsova, Eric A Engels, Jed A Katzel, Elizabeth L Yanik, Hormuzd A Katki, Mark W Lingen, Michael J Silverberg
Oral Leukoplakia And Risk Of Progression To Oral Cancer: A Population-Based Cohort Study, Anil K Chaturvedi, Natalia Udaltsova, Eric A Engels, Jed A Katzel, Elizabeth L Yanik, Hormuzd A Katki, Mark W Lingen, Michael J Silverberg
2020-Current year OA Pubs
BACKGROUND: The optimal clinical management of oral precancer remains uncertain. We investigated the natural history of oral leukoplakia, the most common oral precancerous lesion, to estimate the relative and absolute risks of progression to cancer, the predictive accuracy of a clinician's decision to biopsy a leukoplakia vis-à-vis progression, and histopathologic predictors of progression.
METHODS: We conducted a retrospective cohort study (1996-2012) of patients with oral leukoplakia (n = 4886), identified using electronic medical records within Kaiser Permanente Northern California. Among patients with leukoplakia who received a biopsy (n = 1888), we conducted a case-cohort study to investigate histopathologic predictors of …
Prevalence Of Clinically Actionable Disease Variants In Exceptionally Long-Lived Families, Paige Carlson, Mary K Wojczynski, Todd Druley, Joseph H Lee, Joseph M Zmuda, Bharat Thyagarajan
Prevalence Of Clinically Actionable Disease Variants In Exceptionally Long-Lived Families, Paige Carlson, Mary K Wojczynski, Todd Druley, Joseph H Lee, Joseph M Zmuda, Bharat Thyagarajan
2020-Current year OA Pubs
BACKGROUND: Phenotypic expression of pathogenic variants in individuals with no family history of inherited disorders remains unclear.
METHODS: We evaluated the prevalence of pathogenic variants in 25 genes associated with Mendelian-inherited disorders in 3015 participants from 485 families in the Long Life Family Study (LLFS). Boot-strapping and Fisher's exact test were used to determine whether allele frequencies in LLFS were significantly different from the allele frequencies reported in publicly available genomic databases.
RESULTS: The proportions of pathogenic autosomal dominant mutation carriers in BRCA1 and SDHC in LLFS study participants were similar to those reported in publicly available genomic databases (0.03% …
Treatment De-Escalation For Hpv-Associated Oropharyngeal Squamous Cell Carcinoma With Radiotherapy Vs. Trans-Oral Surgery (Orator2): Study Protocol For A Randomized Phase Ii Trial., Anthony C Nichols, Pencilla Lang, Eitan Prisman, Eric Berthelet, Eric Tran, Sarah Hamilton, Jonn Wu, Kevin Fung, John R De Almeida, Andrew Bayley, David P Goldstein, Antoine Eskander, Zain Husain, Houda Bahig, Apostolos Christopoulous, Michael Hier, Khalil Sultanem, Keith Richardson, Alex Mlynarek, Suren Krishnan, Hien Le, John Yoo, S Danielle Macneil, Adrian Mendez, Eric Winquist, Nancy Read, Varagur Venkatesan, Sara Kuruvilla, Andrew Warner, Sylvia Mitchell, Martin Corsten, Murali Rajaraman, Stephanie Johnson-Obaseki, Libni Eapen, Michael Odell, Shamir Chandarana, Robyn Banerjee, Joseph Dort, T Wayne Matthews, Robert Hart, Paul Kerr, Samuel Dowthwaite, Michael Gupta, Han Zhang, Jim Wright, Christina Parker, Bret Wehrli, Keith Kwan, Julie Theurer, David A Palma
Treatment De-Escalation For Hpv-Associated Oropharyngeal Squamous Cell Carcinoma With Radiotherapy Vs. Trans-Oral Surgery (Orator2): Study Protocol For A Randomized Phase Ii Trial., Anthony C Nichols, Pencilla Lang, Eitan Prisman, Eric Berthelet, Eric Tran, Sarah Hamilton, Jonn Wu, Kevin Fung, John R De Almeida, Andrew Bayley, David P Goldstein, Antoine Eskander, Zain Husain, Houda Bahig, Apostolos Christopoulous, Michael Hier, Khalil Sultanem, Keith Richardson, Alex Mlynarek, Suren Krishnan, Hien Le, John Yoo, S Danielle Macneil, Adrian Mendez, Eric Winquist, Nancy Read, Varagur Venkatesan, Sara Kuruvilla, Andrew Warner, Sylvia Mitchell, Martin Corsten, Murali Rajaraman, Stephanie Johnson-Obaseki, Libni Eapen, Michael Odell, Shamir Chandarana, Robyn Banerjee, Joseph Dort, T Wayne Matthews, Robert Hart, Paul Kerr, Samuel Dowthwaite, Michael Gupta, Han Zhang, Jim Wright, Christina Parker, Bret Wehrli, Keith Kwan, Julie Theurer, David A Palma
Paediatrics Publications
BACKGROUND: Patients with human papillomavirus-positive (HPV+) oropharyngeal squamous cell carcinoma (OPC) have substantially better treatment response and overall survival (OS) than patients with HPV-negative disease. Treatment options for HPV+ OPC can involve either a primary radiotherapy (RT) approach (± concomitant chemotherapy) or a primary surgical approach (± adjuvant radiation) with transoral surgery (TOS). These two treatment paradigms have different spectrums of toxicity. The goals of this study are to assess the OS of two de-escalation approaches (primary radiotherapy and primary TOS) compared to historical control, and to compare survival, toxicity and quality of life (QOL) profiles between the two approaches. …
Short-Chain Fatty Acids Improve Poststroke Recovery Via Immunological Mechanisms, Rebecca Sadler, Julia V. Cramer, Steffanie Heindl, Sarantos Kostidis, Dene Betz, Kielen R. Zuurbier, Bernd H. Northoff, Marieke Heijink, Mark P. Goldberg, Erik J. Plautz, Stefan Roth, Rainer Malik, Martin Dichgans, Lesca M. Holdt, Corinne Benakis, Martin Giera, Ann M. Stowe, Arthur Liesz
Short-Chain Fatty Acids Improve Poststroke Recovery Via Immunological Mechanisms, Rebecca Sadler, Julia V. Cramer, Steffanie Heindl, Sarantos Kostidis, Dene Betz, Kielen R. Zuurbier, Bernd H. Northoff, Marieke Heijink, Mark P. Goldberg, Erik J. Plautz, Stefan Roth, Rainer Malik, Martin Dichgans, Lesca M. Holdt, Corinne Benakis, Martin Giera, Ann M. Stowe, Arthur Liesz
Neurology Faculty Publications
Recovery after stroke is a multicellular process encompassing neurons, resident immune cells, and brain-invading cells. Stroke alters the gut microbiome, which in turn has considerable impact on stroke outcome. However, the mechanisms underlying gut–brain interaction and implications for long-term recovery are largely elusive. Here, we tested the hypothesis that short-chain fatty acids (SCFAs), key bioactive microbial metabolites, are the missing link along the gut–brain axis and might be able to modulate recovery after experimental stroke. SCFA supplementation in the drinking water of male mice significantly improved recovery of affected limb motor function. Using in vivo wide-field calcium imaging, we observed …