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Virginia Commonwealth University

2016

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Articles 1 - 30 of 220

Full-Text Articles in Medicine and Health Sciences

Aapt Diagnostic Criteria For Chronic Sickle Cell Disease Pain, Carlton Dampier, Tonya M. Palermo, Deepika S. Darbari, Kathryn Hassell, Wally Smith, William Zempsky Dec 2016

Aapt Diagnostic Criteria For Chronic Sickle Cell Disease Pain, Carlton Dampier, Tonya M. Palermo, Deepika S. Darbari, Kathryn Hassell, Wally Smith, William Zempsky

Neurology Publications

Pain in sickle cell disease (SCD) is associated with increased morbidity, mortality, and high health care costs. Although episodic acute pain is the hallmark of this disorder, there is an increasing awareness that chronic pain is part of the pain experience of many older adolescents and adults. A common set of criteria for classifying chronic pain associated with SCD would enhance SCD pain research efforts in epidemiology, pain mechanisms, and clinical trials of pain management interventions, and ultimately improve clinical assessment and management. As part of the collaborative effort between the Analgesic, Anesthetic, and Addiction Clinical Trial Translations Innovations Opportunities …


A Bi-Stable Switch In Virus Dynamics Can Explain The Differences In Disease Outcome Following Siv Infections In Rhesus Macaques, Stanca Ciupe, Christopher Miller, Jonathan Forde May 2016

A Bi-Stable Switch In Virus Dynamics Can Explain The Differences In Disease Outcome Following Siv Infections In Rhesus Macaques, Stanca Ciupe, Christopher Miller, Jonathan Forde

Biology and Medicine Through Mathematics Conference

No abstract provided.


Patient-Specific Inference Of Average Glucose From Glycated Hemoglobin, Roy Malka, David M. Nathan, John M. Higgins May 2016

Patient-Specific Inference Of Average Glucose From Glycated Hemoglobin, Roy Malka, David M. Nathan, John M. Higgins

Biology and Medicine Through Mathematics Conference

No abstract provided.


Determinants Of The Efficacy Of Hiv Latency Reversing Agents And Implications For Drug And Treatment Design, Ruian Ke May 2016

Determinants Of The Efficacy Of Hiv Latency Reversing Agents And Implications For Drug And Treatment Design, Ruian Ke

Biology and Medicine Through Mathematics Conference

No abstract provided.


Using Mathematical Modeling To Unmask The Concealed Nature Of Long Qt-3 Syndrome, Steven Poelzing, Amara Greer-Short, Seth H. Weinberg May 2016

Using Mathematical Modeling To Unmask The Concealed Nature Of Long Qt-3 Syndrome, Steven Poelzing, Amara Greer-Short, Seth H. Weinberg

Biology and Medicine Through Mathematics Conference

No abstract provided.


The Influence Of Temperature Variation On Dengue Fever: A Model-Based Investigation, Michael A. Robert, Paula D. Weber, Rebecca C. Christofferson, Christopher N. Mores, Helen J. Wearing May 2016

The Influence Of Temperature Variation On Dengue Fever: A Model-Based Investigation, Michael A. Robert, Paula D. Weber, Rebecca C. Christofferson, Christopher N. Mores, Helen J. Wearing

Biology and Medicine Through Mathematics Conference

No abstract provided.


Optimal Insecticide-Treated Bed-Net Coverage And Malaria Treatment In A Malaria-Hiv Co-Infection Model, Eric Numfor May 2016

Optimal Insecticide-Treated Bed-Net Coverage And Malaria Treatment In A Malaria-Hiv Co-Infection Model, Eric Numfor

Biology and Medicine Through Mathematics Conference

No abstract provided.


A Mathematical Model Of The Spread Of Dengue Fever Incorporating Mobility, Kelly A. Reagan May 2016

A Mathematical Model Of The Spread Of Dengue Fever Incorporating Mobility, Kelly A. Reagan

Biology and Medicine Through Mathematics Conference

No abstract provided.


Numerical Study Of The Effect Of Blood Vessel Geometry On Plaque Formation, Lindsey R. Fox May 2016

Numerical Study Of The Effect Of Blood Vessel Geometry On Plaque Formation, Lindsey R. Fox

Biology and Medicine Through Mathematics Conference

No abstract provided.


Using Predator Carrying Capacity For A Pathogenic Vector-Dynamic Differential Model, Rosahn P. Bhattarai May 2016

Using Predator Carrying Capacity For A Pathogenic Vector-Dynamic Differential Model, Rosahn P. Bhattarai

Biology and Medicine Through Mathematics Conference

No abstract provided.


Dynamics Of Two Pathogens In A Single Tick Population, Alexis White May 2016

Dynamics Of Two Pathogens In A Single Tick Population, Alexis White

Biology and Medicine Through Mathematics Conference

No abstract provided.


Reverse Engineering A Kinetic Model Of A Dopaminergic Neuron To Apoptosis, Johnathan Morris May 2016

Reverse Engineering A Kinetic Model Of A Dopaminergic Neuron To Apoptosis, Johnathan Morris

Biology and Medicine Through Mathematics Conference

No abstract provided.


Demonstration Of Follicle Waves Using Delay Differential Equations, Andrew A. Wright May 2016

Demonstration Of Follicle Waves Using Delay Differential Equations, Andrew A. Wright

Biology and Medicine Through Mathematics Conference

No abstract provided.


Heterogeneous Responses To Viral Infection: Insights From Mathematical Modeling Of Yellow Fever Vaccine, James R. Moore May 2016

Heterogeneous Responses To Viral Infection: Insights From Mathematical Modeling Of Yellow Fever Vaccine, James R. Moore

Biology and Medicine Through Mathematics Conference

No abstract provided.


Mathematical Models Of Hiv And Hpv Coinfection, Samantha Erwin, Meghna Verma, Vida Abedi, Raquel Hontecillas-Magarzo, Stefan Hoops, Josep Bassaganya-Riera, Stanca M. Ciupe May 2016

Mathematical Models Of Hiv And Hpv Coinfection, Samantha Erwin, Meghna Verma, Vida Abedi, Raquel Hontecillas-Magarzo, Stefan Hoops, Josep Bassaganya-Riera, Stanca M. Ciupe

Biology and Medicine Through Mathematics Conference

No abstract provided.


Global Dynamics Of A Model Of Joint Hormone Treatment With Dendritic Cell Vaccine For Prostate Cancer, Erica M. Rutter, Yang Kuang May 2016

Global Dynamics Of A Model Of Joint Hormone Treatment With Dendritic Cell Vaccine For Prostate Cancer, Erica M. Rutter, Yang Kuang

Biology and Medicine Through Mathematics Conference

No abstract provided.


Can Including Time Delay In Epidemic Models Significantly Improve Predictions Concerning Intervention Strategies?, Adrienna N. Bingham, Leah Shaw May 2016

Can Including Time Delay In Epidemic Models Significantly Improve Predictions Concerning Intervention Strategies?, Adrienna N. Bingham, Leah Shaw

Biology and Medicine Through Mathematics Conference

No abstract provided.


A Topological Analysis Of Targeted In-111 Up- Take In Spect Images Of Murine Tumors., David Damiano May 2016

A Topological Analysis Of Targeted In-111 Up- Take In Spect Images Of Murine Tumors., David Damiano

Biology and Medicine Through Mathematics Conference

No abstract provided.


Low Energy Defibrillation By Synchronization; 90 % Less Energy Compared To One Shock., Flavio H. Fenton, Yanyan Ji, Ilija Uzelac, Niels Otani, Elizabeth M. Cherry May 2016

Low Energy Defibrillation By Synchronization; 90 % Less Energy Compared To One Shock., Flavio H. Fenton, Yanyan Ji, Ilija Uzelac, Niels Otani, Elizabeth M. Cherry

Biology and Medicine Through Mathematics Conference

No abstract provided.


Needle In The Haystack: Combining Intravital Imaging And Mathematical Modeling To Understand How Vaccine-Induced T Cells Find Malaria-Infected Cells In Murine Livers, Vitaly V. Ganusov, Ian Cockburn, Reka Kelemen May 2016

Needle In The Haystack: Combining Intravital Imaging And Mathematical Modeling To Understand How Vaccine-Induced T Cells Find Malaria-Infected Cells In Murine Livers, Vitaly V. Ganusov, Ian Cockburn, Reka Kelemen

Biology and Medicine Through Mathematics Conference

No abstract provided.


Mathematical Analysis And Simulations Involving Chemotherapy And Surgery On Large Human Tumours Under A Suitable Cell-Kill Functional Response, Diego S. Rodrigues May 2016

Mathematical Analysis And Simulations Involving Chemotherapy And Surgery On Large Human Tumours Under A Suitable Cell-Kill Functional Response, Diego S. Rodrigues

Biology and Medicine Through Mathematics Conference

No abstract provided.


General Models For Ecological Drivers Of Poverty, Calistus Ngeh Ngonghala May 2016

General Models For Ecological Drivers Of Poverty, Calistus Ngeh Ngonghala

Biology and Medicine Through Mathematics Conference

No abstract provided.


Understanding And Targeting The C-Terminal Binding Protein (Ctbp) Substrate-Binding Domain For Cancer Therapeutic Development, Benjamin L. Morris Jan 2016

Understanding And Targeting The C-Terminal Binding Protein (Ctbp) Substrate-Binding Domain For Cancer Therapeutic Development, Benjamin L. Morris

Theses and Dissertations

Cancer involves the dysregulated proliferation and growth of cells throughout the body. C-terminal binding proteins (CtBP) 1 and 2 are transcriptional co-regulators upregulated in several cancers, including breast, colorectal, and ovarian tumors. CtBPs drive oncogenic properties, including migration, invasion, proliferation, and survival, in part through repression of tumor suppressor genes. CtBPs encode an intrinsic dehydrogenase activity, utilizing intracellular NADH concentrations and the substrate 4-methylthio-2-oxobutyric acid (MTOB), to regulate the recruitment of transcriptional regulatory complexes. High levels of MTOB inhibit CtBP dehydrogenase function and induce cytotoxicity among cancer cells in a CtBP-dependent manner. While encouraging, a good therapeutic would utilize >100-fold …


The Association Between Sleep Problems, Sleep Medication Use, And Falls In Community-Dwelling Older Adults: Results From The Health And Retirement Study 2010, Yaena Min, Pramit A. Nadpara, Patricia W. Slattum Jan 2016

The Association Between Sleep Problems, Sleep Medication Use, And Falls In Community-Dwelling Older Adults: Results From The Health And Retirement Study 2010, Yaena Min, Pramit A. Nadpara, Patricia W. Slattum

Pharmacotherapy and Outcomes Science Publications

Background. Very few studies have assessed the impact of poor sleep and sleep medication use on the risk of falls among community-dwelling older adults. The objective of this study was to evaluate the association between sleep problems, sleep medication use, and falls in community-dwelling older adults. Methods. The study population comprised a nationally representative sample of noninstitutionalized older adults participating in the 2010 Health and Retirement Study. Proportion of adults reporting sleep problems, sleep medication use, and fall was calculated. Multiple logistic regression models were constructed to examine the impact of sleep problems and sleep medication use on …


Promoting Cognitive Support Technology Use And Employment Success Among Postsecondary Students With Traumatic Brain Injuries, Phillip Rumrill, Eileen Elias, Deborah J. Hendricks, Karen Jacobs, Anne Leopold, Amanda Nardone, Elaine Sampson, Marcia Scherer, Callista Stauffer, Brian T. Mcmahon Jan 2016

Promoting Cognitive Support Technology Use And Employment Success Among Postsecondary Students With Traumatic Brain Injuries, Phillip Rumrill, Eileen Elias, Deborah J. Hendricks, Karen Jacobs, Anne Leopold, Amanda Nardone, Elaine Sampson, Marcia Scherer, Callista Stauffer, Brian T. Mcmahon

Physical Medicine and Rehabilitation Publications

OBJECTIVE: This article applies positive psychology principles to the purpose and objectives of a five-year, federally-funded initiative to provide cognitive support technology (CST) training and career preparatory services for undergraduate college students with mild and moderate traumatic brain injuries (TBI).

METHODS: A total of 48 students with TBI have participated in the project during its first 18 months of operation - 14 of whom are military veterans with disabilities who were in the Iraq and/or Afghanistan theaters.

CONCLUSION: Positive psychology interventions such as Best Possible Self, Intensely Positive Experiences, and Asset-based Assessments provide a framework for examining the activities of …


Major Depression As A Complex Dynamic System, Angélique O. J. Cramer, Claudia D. Van Borkulo, Erik J. Giltay, Han L. J. Van Der Maas, Kenneth S. Kendler, Marten Scheffer, Denny Borsboom Jan 2016

Major Depression As A Complex Dynamic System, Angélique O. J. Cramer, Claudia D. Van Borkulo, Erik J. Giltay, Han L. J. Van Der Maas, Kenneth S. Kendler, Marten Scheffer, Denny Borsboom

Psychiatry Publications

In this paper, we characterize major depression (MD) as a complex dynamic system in which symptoms (e.g., insomnia and fatigue) are directly connected to one another in a network structure. We hypothesize that individuals can be characterized by their own network with unique architecture and resulting dynamics. With respect to architecture, we show that individuals vulnerable to developing MD are those with strong connections between symptoms: e.g., only one night of poor sleep suffices to make a particular person feel tired. Such vulnerable networks, when pushed by forces external to the system such as stress, are more likely to end …


Sex Differences In Hiv Effects On Visual Memory Among Substance-Dependent Individuals, Michael K. Keutmann, Raul Gonzalez, Pauline M. Maki, Leah H. Rubin, Jasmin Vassileva, Eileen M. Martin Jan 2016

Sex Differences In Hiv Effects On Visual Memory Among Substance-Dependent Individuals, Michael K. Keutmann, Raul Gonzalez, Pauline M. Maki, Leah H. Rubin, Jasmin Vassileva, Eileen M. Martin

Psychiatry Publications

HIV’s effects on episodic memory have not been compared systematically between male and female substance-dependent individuals. We administered the Brief Visuospatial Memory Test–Revised (BVMT–R) to 280 substance-dependent HIV+ and HIV– men and women. Groups were comparable on demographic, substance use, and comorbid characteristics. There were no significant main effects of sex or HIV serostatus on BVMT–R performance, but HIV+ women performed significantly more poorly on delayed recall. This effect was most prominent among cocaine-dependent HIV+ women. Our findings are consistent with recent speculation that memory impairment may be more common among HIV+ women, particularly those with a history of cocaine …


Development Of A Translational Model To Screen Medications For Cocaine Use Disorder I: Choice Between Cocaine And Food In Rhesus Monkeys, Amy R. Johnson Jan 2016

Development Of A Translational Model To Screen Medications For Cocaine Use Disorder I: Choice Between Cocaine And Food In Rhesus Monkeys, Amy R. Johnson

Pharmacology and Toxicology Publications

Background

Homologous cocaine self-administration procedures in laboratory animals and humans may facilitate translational research for medications development to treat cocaine dependence. This study, therefore, sought to establish choice between cocaine and an alternative reinforcer in rhesus monkeys responding under a procedure back-translated from previous human studies and homologous to a human laboratory procedure described in a companion paper.

Methods

Four rhesus monkeys with chronic indwelling intravenous catheters had access to cocaine injections (0, 0.043, 0.14, or 0.43 mg/kg/injection) and food (0, 1, 3, or 10 1 g banana-flavored food pellets). During daily 5 h sessions, a single cocaine dose and …


Effects Of 7-Day Repeated Treatment With The 5-Ht2a Inverse Agonist/Antagonist Pimavanserin On Methamphetamine Vs. Food Choice In Male Rhesus Monkeys, Matthew L. Banks L. Banks Jan 2016

Effects Of 7-Day Repeated Treatment With The 5-Ht2a Inverse Agonist/Antagonist Pimavanserin On Methamphetamine Vs. Food Choice In Male Rhesus Monkeys, Matthew L. Banks L. Banks

Pharmacology and Toxicology Publications

Background

Preclinical drug vs. food choice is an emerging group of drug self-administration procedures that have shown predictive validity to clinical drug addiction. Emerging data suggest that serotonin (5-HT)2A receptors modulate mesolimbic dopamine function, such that 5-HT2A antagonists blunt the abuse-related neurochemical effects of monoamine transporter substrates, such as amphetamine or methamphetamine. Whether subchronic 5-HT2A antagonist treatment attenuates methamphetamine reinforcement in any preclinical drug self-administration procedure is unknown. The study aim was therefore to determine 7-day treatment effects with the 5-HT2A inverse agonist/antagonist pimavanserin on methamphetamine vs. food choice in monkeys.

Methods …


Identification Of The Metabolic Enzyme Involved Morusin Metabolism And Characterization Of Its Metabolites By Ultraperformance Liquid Chromatogaphy Quadrupole Time-Of-Flight Mass Spectrometry (Uplc/Q-Tof-Ms/Ms), Xianbao Shi, Brianna Mackie, Gang Zhang, Shuman Yang, Yonggui Song, Dan Su, Yali Liu, Lina Shan Jan 2016

Identification Of The Metabolic Enzyme Involved Morusin Metabolism And Characterization Of Its Metabolites By Ultraperformance Liquid Chromatogaphy Quadrupole Time-Of-Flight Mass Spectrometry (Uplc/Q-Tof-Ms/Ms), Xianbao Shi, Brianna Mackie, Gang Zhang, Shuman Yang, Yonggui Song, Dan Su, Yali Liu, Lina Shan

Pharmacology and Toxicology Publications

Morusin, the important active component of a traditional Chinese medicine, Morus alba L., has been shown to exhibit many vital pharmacological activities. In this study, six recombinant CYP450 supersomes and liver microsomes were used to perform metabolic studies. Chemical inhibition studies and screening assays with recombinant human cytochrome P450s were also used to characterize the CYP450 isoforms involved in morusin metabolism. The morusin metabolites identified varied greatly among different species. Eight metabolites of morusin were detected in the liver microsomes from pigs (PLMs), rats (RLMs), and monkeys (MLMs) by LC-MS/MS and six metabolites were detected in the liver microsomes from …