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Translational Medical Research Commons™
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Articles 1 - 10 of 10
Full-Text Articles in Translational Medical Research
Ticagrelor Reduces Thromboinflammatory Markers In Patients With Pneumonia, Travis R. Sexton, Guoying Zhang, Tracy E. Macaulay, Leigh Ann Callahan, Richard Charnigo, Olga A. Vsevolozhskaya, Zhenyu Li, Susan S. Smyth
Ticagrelor Reduces Thromboinflammatory Markers In Patients With Pneumonia, Travis R. Sexton, Guoying Zhang, Tracy E. Macaulay, Leigh Ann Callahan, Richard Charnigo, Olga A. Vsevolozhskaya, Zhenyu Li, Susan S. Smyth
Gill Heart & Vascular Institute Faculty Publications
Despite treatment advances for sepsis and pneumonia, significant improvements in outcome have not been realized. Antiplatelet therapy may improve outcome in pneumonia and sepsis. In this study, the authors show that ticagrelor reduced leukocytes with attached platelets as well as the inflammatory biomarker interleukin (IL)-6. Pneumonia patients receiving ticagrelor required less supplemental oxygen and lung function tests trended toward improvement. Disruption of the P2Y12 receptor in a murine model protected against inflammatory response, lung permeability, and mortality. Results indicate a mechanistic link between platelets, leukocytes, and lung injury in settings of pneumonia and sepsis, and suggest possible therapeutic approaches …
Hemostatic Nanoparticles Increase Survival, Mitigate Neuropathology And Alleviate Anxiety In A Rodent Blast Trauma Model, W. Brad Hubbard, Margaret Lashof-Sullivan, Shaylen Greenberg, Carly Norris, Joseph Eck, Erin Lavik, Pamela Vandevord
Hemostatic Nanoparticles Increase Survival, Mitigate Neuropathology And Alleviate Anxiety In A Rodent Blast Trauma Model, W. Brad Hubbard, Margaret Lashof-Sullivan, Shaylen Greenberg, Carly Norris, Joseph Eck, Erin Lavik, Pamela Vandevord
Spinal Cord and Brain Injury Research Center Faculty Publications
Explosions account for 79% of combat related injuries and often lead to polytrauma, a majority of which include blast-induced traumatic brain injuries (bTBI). These injuries lead to internal bleeding in multiple organs and, in the case of bTBI, long term neurological deficits. Currently, there are no treatments for internal bleeding beyond fluid resuscitation and surgery. There is also a dearth of treatments for TBI. We have developed a novel approach using hemostatic nanoparticles that encapsulate an anti-inflammatory, dexamethasone, to stop the bleeding and reduce inflammation after injury. We hypothesize that this will improve not only survival but long term functional …
First Results On Survival From A Large Phase 3 Clinical Trial Of An Autologous Dendritic Cell Vaccine In Newly Diagnosed Glioblastoma, Linda M. Liau, Keyoumars Ashkan, David D. Tran, Jian L. Campian, John E. Trusheim, Charles S. Cobbs, Jason A. Heth, Michael Salacz, Sarah Taylor, Stacy D. D'Andre, Fabio M. Iwamoto, Edward J. Dropcho, Yaron A. Moshel, Kevin A. Walter, Clement P. Pillainayagam, Robert Aiken, Rekha Chaudhary, Samuel A. Goldlust, Daniela A Bota, Paul Duic, Jai Grewal, Heinrich Elinzano, Steven A. Toms, Kevin O. Lillehei, Tom Mikkelsen, Tobias Walbert, Steven R. Abram, Andrew J. Brenner, Steven Brem, Matthew G. Ewend, John L. Villano
First Results On Survival From A Large Phase 3 Clinical Trial Of An Autologous Dendritic Cell Vaccine In Newly Diagnosed Glioblastoma, Linda M. Liau, Keyoumars Ashkan, David D. Tran, Jian L. Campian, John E. Trusheim, Charles S. Cobbs, Jason A. Heth, Michael Salacz, Sarah Taylor, Stacy D. D'Andre, Fabio M. Iwamoto, Edward J. Dropcho, Yaron A. Moshel, Kevin A. Walter, Clement P. Pillainayagam, Robert Aiken, Rekha Chaudhary, Samuel A. Goldlust, Daniela A Bota, Paul Duic, Jai Grewal, Heinrich Elinzano, Steven A. Toms, Kevin O. Lillehei, Tom Mikkelsen, Tobias Walbert, Steven R. Abram, Andrew J. Brenner, Steven Brem, Matthew G. Ewend, John L. Villano
Internal Medicine Faculty Publications
Background: Standard therapy for glioblastoma includes surgery, radiotherapy, and temozolomide. This Phase 3 trial evaluates the addition of an autologous tumor lysate-pulsed dendritic cell vaccine (DCVax®-L) to standard therapy for newly diagnosed glioblastoma.
Methods: After surgery and chemoradiotherapy, patients were randomized (2:1) to receive temozolomide plus DCVax-L (n = 232) or temozolomide and placebo (n = 99). Following recurrence, all patients were allowed to receive DCVax-L, without unblinding. The primary endpoint was progression free survival (PFS); the secondary endpoint was overall survival (OS).
Results: For the intent-to-treat (ITT) population (n = 331), median OS (mOS) was 23.1 months …
Evaluating Disparities In The U.S. Technology Transfer Ecosystem To Improve Bench To Business Translation, James Weis, Ashvin Bashyam, Gregory J. Ekchian, Kathryn Paisner, Nathan L. Vanderford
Evaluating Disparities In The U.S. Technology Transfer Ecosystem To Improve Bench To Business Translation, James Weis, Ashvin Bashyam, Gregory J. Ekchian, Kathryn Paisner, Nathan L. Vanderford
Markey Cancer Center Faculty Publications
Background: A large number of highly impactful technologies originated from academic research, and the transfer of inventions from academic institutions to private industry is a major driver of economic growth, and a catalyst for further discovery. However, there are significant inefficiencies in academic technology transfer. In this work, we conducted a data-driven assessment of translational activity across United States (U.S.) institutions to better understand how effective universities are in facilitating the transfer of new technologies into the marketplace. From this analysis, we provide recommendations to guide technology transfer policy making at both the university and national level.
Methods: Using data …
Human Body Composition And Immunity: Visceral Adipose Tissue Produces Il-15 And Muscle Strength Inversely Correlates With Nk Cell Function In Elderly Humans, Ahmad Al-Attar, Steven R. Presnell, Jody L. Clasey, Douglas E. Long, R. Grace Walton, Morgan Sexton, Marlene E. Starr, Philip A. Kern, Charlotte A. Peterson, Charles T. Lutz
Human Body Composition And Immunity: Visceral Adipose Tissue Produces Il-15 And Muscle Strength Inversely Correlates With Nk Cell Function In Elderly Humans, Ahmad Al-Attar, Steven R. Presnell, Jody L. Clasey, Douglas E. Long, R. Grace Walton, Morgan Sexton, Marlene E. Starr, Philip A. Kern, Charlotte A. Peterson, Charles T. Lutz
Clinical and Translational Science Faculty Publications
Natural killer (NK) lymphocyte-mediated cytotoxicity and cytokine secretion control infections and cancers, but these crucial activities decline with age. NK cell development, homeostasis, and function require IL-15 and its chaperone, IL-15 receptor alpha (IL-15Rα). Macrophages and dendritic cells (DC) are major sources of these proteins. We had previously postulated that additional IL-15 and IL-15Rα is made by skeletal muscle and adipose tissue. These sources may be important in aging, when IL-15-producing immune cells decline. NK cells circulate through adipose tissue, where they may be exposed to local IL-15. The objectives of this work were to determine (1) if human muscle, …
Acute Pressor Response To Psychosocial Stress Is Dependent On Endothelium‐Derived Endothelin‐1, Brandon M. Fox, Bryan K. Becker, Analia S. Loria, Kelly A. Hyndman, Chunhua Jin, Hannah Clark, Robin Johns, Masashi Yanagisawa, David M. Pollock, Jennifer S. Pollock
Acute Pressor Response To Psychosocial Stress Is Dependent On Endothelium‐Derived Endothelin‐1, Brandon M. Fox, Bryan K. Becker, Analia S. Loria, Kelly A. Hyndman, Chunhua Jin, Hannah Clark, Robin Johns, Masashi Yanagisawa, David M. Pollock, Jennifer S. Pollock
Pharmacology and Nutritional Sciences Faculty Publications
Background
Acute psychosocial stress provokes increases in circulating endothelin‐1 (ET‐1) levels in humans and animal models. However, key questions about the physiological function and cellular source of stress‐induced ET‐1 remain unanswered. We hypothesized that endothelium‐derived ET‐1 contributes to the acute pressor response to stress via activation of the endothelin A receptor.
Methods and Results
Adult male vascular endothelium‐specific ET‐1 knockout mice and control mice that were homozygous for the floxed allele were exposed to acute psychosocial stress in the form of cage switch stress (CSS), with blood pressure measured by telemetry. An acute pressor response was elicited by CSS in …
Rad Gtpase Deletion Atenuates Post-Ischemic Cardiac Dysfunction And Remodeling, Janet R. Manning, Lakshman Chelvarajan, Bryana R. Levitan, Catherine Nicole Kaminski Withers, Prabhakara R. Nagareddy, Christopher M. Haggerty, Brandon K. Fornwalt, Erhe Gao, Himi Tripathi, Ahmed Abdel-Latif, Douglas A. Andres, Jonathan Satin
Rad Gtpase Deletion Atenuates Post-Ischemic Cardiac Dysfunction And Remodeling, Janet R. Manning, Lakshman Chelvarajan, Bryana R. Levitan, Catherine Nicole Kaminski Withers, Prabhakara R. Nagareddy, Christopher M. Haggerty, Brandon K. Fornwalt, Erhe Gao, Himi Tripathi, Ahmed Abdel-Latif, Douglas A. Andres, Jonathan Satin
Physiology Faculty Publications
The protein Rad interacts with the L-type calcium channel complex to modulate trigger Ca2+ and hence to govern contractility. Reducing Rad levels increases cardiac output. Ablation of Rad also attenuated the inflammatory response following acute myocardial infarction. Future studies to target deletion of Rad in the heart could be conducted to establish a novel treatment paradigm whereby pathologically stressed hearts would be given safe, stable positive inotropic support without arrhythmias and without pathological structural remodeling. Future investigations will also focus on establishing inhibitors of Rad and testing the efficacy of Rad deletion in cardioprotection relative to the time of …
Beta-Catenin Cleavage Enhances Transcriptional Activation, Tatiana Goretsky, Emily M. Bradford, Qing Ye, Olivia F. Lamping, Tomas Vanagunas, Mary Pat Moyer, Patrick C. Keller, Preetika Sinh, Josep M. Llovet, Tianyan Gao, Qing-Bai She, Linheng Li, Terrence A. Barrett
Beta-Catenin Cleavage Enhances Transcriptional Activation, Tatiana Goretsky, Emily M. Bradford, Qing Ye, Olivia F. Lamping, Tomas Vanagunas, Mary Pat Moyer, Patrick C. Keller, Preetika Sinh, Josep M. Llovet, Tianyan Gao, Qing-Bai She, Linheng Li, Terrence A. Barrett
Internal Medicine Faculty Publications
Nuclear activation of Wnt/β-catenin signaling is required for cell proliferation in inflammation and cancer. Studies from our group indicate that β-catenin activation in colitis and colorectal cancer (CRC) correlates with increased nuclear levels of β-catenin phosphorylated at serine 552 (pβ-Cat552). Biochemical analysis of nuclear extracts from cancer biopsies revealed the existence of low molecular weight (LMW) pβ-Cat552, increased to the exclusion of full size (FS) forms of β-catenin. LMW β-catenin lacks both termini, leaving residues in the armadillo repeat intact. Further experiments showed that TCF4 predominantly binds LMW pβ-Cat552 in the nucleus of inflamed and …
Design And Analysis Of A 3d-Printed, Thermoplastic Elastomer (Tpe) Spring Element For Use In Corrective Hand Orthotics, Kevin Thomas Richardson
Design And Analysis Of A 3d-Printed, Thermoplastic Elastomer (Tpe) Spring Element For Use In Corrective Hand Orthotics, Kevin Thomas Richardson
Theses and Dissertations--Mechanical Engineering
This thesis proposes an algorithm that determine the geometry of 3D-printed, custom-designed spring element bands made of thermoplastic elastomer (TPE) for use in a wearable orthotic device to aid in the physical therapy of a human hand exhibiting spasticity after stroke. Each finger of the hand is modeled as a mechanical system consisting of a triple-rod pendulum with nonlinear stiffness at each joint and forces applied at the attachment point of each flexor muscle. The system is assumed quasi-static, which leads to a torque balance between the flexor tendons in the hand, joint stiffness and the design force applied to …
Scalable Feature Selection And Extraction With Applications In Kinase Polypharmacology, Derek Jones
Scalable Feature Selection And Extraction With Applications In Kinase Polypharmacology, Derek Jones
Theses and Dissertations--Computer Science
In order to reduce the time associated with and the costs of drug discovery, machine learning is being used to automate much of the work in this process. However the size and complex nature of molecular data makes the application of machine learning especially challenging. Much work must go into the process of engineering features that are then used to train machine learning models, costing considerable amounts of time and requiring the knowledge of domain experts to be most effective. The purpose of this work is to demonstrate data driven approaches to perform the feature selection and extraction steps in …