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Leonard A Harris, Marco S Nobile, James C Pino, Alexander L R Lubbock, Daniela Besozzi, Giancarlo Mauri, Paolo Cazzaniga, Carlos F Lopez
Summary: A major barrier to the practical utilization of large, complex models of biochemical systems is the lack of open-source computational tools to evaluate model behaviors over high-dimensional parameter spaces. This is due to the high computational expense of performing thousands to millions of model simulations required for statistical analysis. To address this need, we have implemented a user-friendly interface between cupSODA, a GPU-powered kinetic simulator, and PySB, a Python-based modeling and simulation framework...
June 28, 2017: Bioinformatics
Austin Castillo, Hawa Edriss, Kavitha Selvan, Kenneth Nugent
BACKGROUND: The Hospital Readmissions Reduction Program targets Medicare patients with congestive heart failure (CHF) and chronic obstructive pulmonary disease (COPD) and penalizes hospitals that have increased 30-day readmission rates for these patients. The main goals of this study were to determine the clinical explanations for readmissions within 30 days, to identify possible deficiencies in patient care, and to identify typical characteristics of patients who were readmitted to the hospital...
July 2017: Quality Management in Health Care
Alexander L R Lubbock, Grant D Stewart, Fiach C O'Mahony, Alexander Laird, Peter Mullen, Marie O'Donnell, Thomas Powles, David J Harrison, Ian M Overton
BACKGROUND: Metastatic clear cell renal cell cancer (mccRCC) portends a poor prognosis and urgently requires better clinical tools for prognostication as well as for prediction of response to treatment. Considerable investment in molecular risk stratification has sought to overcome the performance ceiling encountered by methods restricted to traditional clinical parameters. However, replication of results has proven challenging, and intratumoural heterogeneity (ITH) may confound attempts at tissue-based stratification...
June 26, 2017: BMC Medicine
Michael Kelly
This technical report details the results of an uncontrolled study of EyeGuide Focus, a 10-second concussion management tool which relies on eye tracking to determine the potential impairment of visual attention, an indicator often of mild traumatic brain injury (mTBI). Essentially, people who can visually keep steady and accurate attention on a moving object in their environment likely suffer from no impairment. However, if after a potential mTBI event, subjects cannot keep attention on a moving object in a normal way as demonstrated on their previous healthy baseline tests...
May 15, 2017: Curēus
Grant R McKercher, Jennifer K Vanos
The complex nature of air pollution in urban areas prevents traditional monitoring techniques from obtaining measurements representative of true human exposure. The current study assessed the capability of low-cost mobile monitors to acquire useful data in a city without a monitoring network in place (Lubbock, Texas) using a bicycle platform. The monitoring campaign resulted in 30 days of data along a 13.4 km fixed concentric route. Due to high sensitivities to airflow, the apparent wind velocity was accounted for throughout the route...
June 5, 2017: Environmental Technology
A W Hardin, J K Vanos
Given the predominant use of heat-retaining materials in urban areas, numerous studies have addressed the urban heat island mitigation potential of various "cool" options, such as vegetation and high-albedo surfaces. The influence of altered radiational properties of such surfaces affects not only the air temperature within a microclimate, but more importantly the interactions of long- and short-wave radiation fluxes with the human body. Minimal studies have assessed how cool surfaces affect thermal comfort via changes in absorbed radiation by a human (R abs) using real-world, rather than modeled, urban field data...
May 5, 2017: International Journal of Biometeorology
Xinmin Ding, Peyton L Nisson, Whitney S James, Michael T Lawton, Shaohua Ren, Lu Jia, Honging Ji
OBJECTIVE: This study aims to establish a new classification system for proximal anterior cerebral artery (A1) aneurysms and to offer treatment strategies, based on the lessons learned by studying the case reports of 41 patients with A1 aneurysms. METHODS: A total of 2332 consecutive patients with intracranial aneurysms were treated at a single medical center between June 2005 and May 2015. Forty-one patients with 42 A1 aneurysms were treated by surgical clipping or endovascular coiling...
August 2017: World Neurosurgery
Steven Lasee, Jessica Mauricio, William A Thompson, Adcharee Karnjanapiboonwong, John Kasumba, Seenivasan Subbiah, Audra N Morse, Todd A Anderson
Small plastic fragments (microplastics or solid particles <5 mm in size or "microbeads" used in personal care products and cosmetics) may ultimately find their way into aquatic environments. We studied the presence of microplastics (particle sizes 53-105 μm and 106-179 μm) spatially and temporally in 3 connected urban lakes being fed by treated wastewater effluent in Lubbock, Texas. These lakes also serve as drainage during storm events. Water samples from drainage playa wetlands within the city were also collected...
May 2017: Integrated Environmental Assessment and Management
Jennifer K Vanos, Grant R McKercher, Kylie Naughton, Marc Lochbaum
Childhood exposure to ultraviolet radiation (UVR) is a major risk factor for the development of melanoma later in life. However, it is challenging to accurately determine personal outdoor exposure to UVR, specifically erythemally weighted UVR (UVEry ), due to technological constraints, variable time-activity patterns, and the influence of outdoor environmental design. To address this challenge, this study utilized mobile and stationary techniques to examine the UVEry exposures of 14 children in a schoolyard in Lubbock, TX, in spring 2016...
July 2017: Photochemistry and Photobiology
Jeremy L Norris, Melissa A Farrow, Danielle B Gutierrez, Lauren D Palmer, Nicole Muszynski, Stacy D Sherrod, James C Pino, Jamie L Allen, Jeffrey M Spraggins, Alex L R Lubbock, Ashley Jordan, William Burns, James C Poland, Carrie Romer, M Lisa Manier, Yuan-Wei Nei, Boone M Prentice, Kristie L Rose, Salisha Hill, Raf Van de Plas, Tina Tsui, Nathaniel M Braman, M Ray Keller, Stacey A Rutherford, Nichole Lobdell, Carlos F Lopez, D Borden Lacy, John A McLean, John P Wikswo, Eric P Skaar, Richard M Caprioli
An understanding of how cells respond to perturbation is essential for biological applications; however, most approaches for profiling cellular response are limited in scope to pre-established targets. Global analysis of molecular mechanism will advance our understanding of the complex networks constituting cellular perturbation and lead to advancements in areas, such as infectious disease pathogenesis, developmental biology, pathophysiology, pharmacology, and toxicology. We have developed a high-throughput multiomics platform for comprehensive, de novo characterization of cellular mechanisms of action...
February 9, 2017: Journal of Proteome Research
Bart W Durham, Lucy Porter, Allie Webb, Joshua Thomas
This study investigated patterns of Escherichia coli in urban lakes in Lubbock, Texas. Specific objectives were to (1) document seasonal patterns in abundance of E. coli over a 3-year period, (2) identify environmental factors, including effects of migratory geese and artificial aeration devices that may influence E. coli abundance, and (3) determine if E. coli abundance over time was similar for individual lakes. Water samples were collected monthly for 36 months from six lakes, three of which contained artificial aeration devices (fountains)...
December 2016: Journal of Water and Health
Yana Puckett, Benedicto C Baronia
With the recent advances in eye tracking technology, it is now possible to track surgeons' eye movements while engaged in a surgical task or when surgical residents practice their surgical skills. Several studies have compared eye movements of surgical experts and novices and developed techniques to assess surgical skill on the basis of eye movement utilizing simulators and live surgery. None have evaluated simultaneous visual tracking between an expert and a novice during live surgery. Here, we describe a successful simultaneous deployment of visual tracking of an expert and a novice during live laparoscopic cholecystectomy...
September 20, 2016: Curēus
Vance Holliday, Todd Surovell, Eileen Johnson
The Younger Dryas Impact Hypothesis (YDIH) states that North America was devastated by some sort of extraterrestrial event ~12,800 calendar years before present. Two fundamental questions persist in the debate over the YDIH: Can the results of analyses for purported impact indicators be reproduced? And are the indicators unique to the lower YD boundary (YDB), i.e., ~12.8k cal yrs BP? A test reported here presents the results of analyses that address these questions. Two different labs analyzed identical splits of samples collected at, above, and below the ~12...
2016: PloS One
Walter L Miller
Douglas M. (Doug) Stocco is Professor Emeritus at Texas Tech University Health Sciences Center in Lubbock, TX, and is internationally renowned for his work characterizing the steroidogenic acute regulatory protein, StAR. Stocco's laboratory isolated and cloned StAR from mouse Leydig MA-10 cells, collaborated on the demonstration that StAR mutations cause congenital lipoid adrenal hyperplasia, and delineated much of what is known about the intracellular pathways that regulate its production. This work resolved a decades-long quest to identify the mechanism underlying the acute regulation of steroidogenesis...
June 21, 2016: Molecular and Cellular Endocrinology
Supannee Rassameehiran, Charoen Mankongpaisarnrung, Grerk Sutamtewagul, Saranapoom Klomjit, Ariwan Rakvit
OBJECTIVES: The purpose of our study was to identify clinical parameters associated with readmissions within 90 days in patients with hepatic encephalopathy (HE). METHODS: We reviewed electronic medical records of patients admitted between January 1, 2010 and September 30, 2013 at University Medical Center, Lubbock, Texas. Inclusion criteria were admission to the hospital with diagnosis of HE in patients older than 18 years. We compared the patients with readmission within 90 days with patients with no readmission using routine clinical data...
June 2016: Southern Medical Journal
Annette N Boles, Hafiz Khan, Taylor A Lenzmeier, Veronica A Molinar-Lopez, James C Ament, Kate L TeBrink, Kathleen Stonum, Ruben M Gonzales, P Hemachandra Reddy
The objective of our study was to evaluate the exercise and educational intervention in the city of Lubbock via GET FiT Lubbock (GFL) program. The GFL program was designed to increase exercise and educational opportunities, which positively impact health risk factors in Lubbock residents. The GFL program design included the recruitment of subjects to participate on a team that consisted of four individuals, each subject tracked their exercise minutes, and their educational session attendance. The tracking of exercise and educational sessions was done on the GFL website...
2016: Frontiers in Aging Neuroscience
Raghavendra G Amachawadi, Milton Thomas, Tiruvoor G Nagaraja, Joy Scaria
The genome sequencing of 13 Salmonella enterica subsp. enterica serovar Lubbock strains isolated from liver abscesses of feedlot cattle is reported here. The availability of these genomes will help to further understand the etiologic role of Salmonella strains in liver abscesses of cattle and will serve as references in microbial trace-back studies to improve food safety.
2016: Genome Announcements
Martin Sojka, Ivana Valachova, Marcela Bucekova, Juraj Majtan
Many clinically relevant biofilms are polymicrobial. Examining the effect of antimicrobials in a multi-species biofilm consortium is of great clinical importance. The goal of this study was to investigate the effect of different honey types against bacterial wound pathogens grown in multi-species biofilm and to test the antibiofilm activity of honey defensin-1 in its recombinant form. Modified Lubbock chronic wound biofilm formed by four bacterial species (Staphylococcus aureus, Streptococcus agalactiae, Pseudomonas aeruginosa, Enterococcus faecalis) was used for evaluation of honey and recombinant bee-derived defensin-1 antibiofilm efficacy...
February 8, 2016: Journal of Medical Microbiology
Betsy Goebel Jones, Steven L Berk
Meeting Texas' future health care needs will be challenging, including the goal for a physician workforce more balanced toward primary care. To help expand the primary care physician workforce, Texas Tech University Health Sciences Center (TTUHSC) School of Medicine developed the Family Medicine Accelerated Track (FMAT), a three-year curriculum that culminates in the MD degree and links medical students to family medicine residency programs at TTUHSC campuses in Lubbock, Amarillo, or the Permian Basin (Odessa and Midland)...
February 1, 2016: Texas Medicine
Cesar J Garcia, Oscar A Lopez, Sameer Islam, Mohamed Othman, Yi Jia, Zuber D Mulla, Marc J Zuckerman
BACKGROUND: The use of gastrointestinal endoscopy in geriatric patients is rising as an increasing proportion of the population is reaching an advanced age. Most studies of endoscopic retrograde cholangiopancreatography (ERCP) in the elderly have been done in tertiary care or referral centers. METHODS: We analyzed the clinical and endoscopic data on all ERCPs in patients aged 65 years and older in a retrospective review of medical records of patients at the county hospitals in El Paso and Lubbock, Texas between 2004 and 2008...
January 2016: American Journal of the Medical Sciences
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