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Articles 3661 - 3690 of 8643
Full-Text Articles in Medicine and Health Sciences
Improved Reference Genome For The Domestic Horse Increases Assembly Contiguity And Composition, Theodore S. Kalbfleisch, Edward S. Rice, Michael S. Depriest Jr., Brian P. Walenz, Matthew S. Hestand, Joris R. Vermeesch, Brendan L. O'Connell, Ian T. Fiddes, Alisa O. Vershinina, Nedda F. Saremi, Jessica L. Petersen, Carrie J. Finno, Rebecca R. Bellone, Molly E Mccue, Samantha A. Brooks, Ernest Bailey, Ludovic Orlando, Richard E. Green, Donald C. Miller, Douglas F. Antczak, James N. Macleod
Improved Reference Genome For The Domestic Horse Increases Assembly Contiguity And Composition, Theodore S. Kalbfleisch, Edward S. Rice, Michael S. Depriest Jr., Brian P. Walenz, Matthew S. Hestand, Joris R. Vermeesch, Brendan L. O'Connell, Ian T. Fiddes, Alisa O. Vershinina, Nedda F. Saremi, Jessica L. Petersen, Carrie J. Finno, Rebecca R. Bellone, Molly E Mccue, Samantha A. Brooks, Ernest Bailey, Ludovic Orlando, Richard E. Green, Donald C. Miller, Douglas F. Antczak, James N. Macleod
Maxwell H. Gluck Equine Research Center Faculty Publications
Recent advances in genomic sequencing technology and computational assembly methods have allowed scientists to improve reference genome assemblies in terms of contiguity and composition. EquCab2, a reference genome for the domestic horse, was released in 2007. Although of equal or better quality compared to other first-generation Sanger assemblies, it had many of the shortcomings common to them. In 2014, the equine genomics research community began a project to improve the reference sequence for the horse, building upon the solid foundation of EquCab2 and incorporating new short-read data, long-read data, and proximity ligation data. Here, we present EquCab3. The count of …
Prescription And Over-The-Counter Medication Record Integration: A Holistic Patient-Centered Approach, Clark D. Kebodeaux
Prescription And Over-The-Counter Medication Record Integration: A Holistic Patient-Centered Approach, Clark D. Kebodeaux
Pharmacy Practice and Science Faculty Publications
Objective: Nonprescription or over-the-counter (OTC) medications play a crucial role in a patient’s ability to make choices to manage his or her own health care. Often these nonprescription choices are unknown to health care practitioners and thus are often not included as part of patients’ health records. The exclusion of these therapies can pose risks to patient safety. There is a significant need to address the capture of OTC medication use in both the physician and pharmacy electronic health records (EHRs) and during the practitionerepatient medication history and reconciliation process.
Data sources: On October 26, 2016, the National Association of …
Waardenburg Syndrome And Left Persistent Superior Vena Cava, Driss Raissi, Alexander Christie, Kimberly Applegate
Waardenburg Syndrome And Left Persistent Superior Vena Cava, Driss Raissi, Alexander Christie, Kimberly Applegate
Radiology Faculty Publications
Waardenburg syndrome (WS) is a rare genetic disorder secondary to neural crest cell developmental abnormalities. It is predominantly described as an auditory-pigmentary syndrome with diverse patient presentation, typically involving congenital sensorineural hearing loss and pigmentation abnormalities of the skin, hair, and iris. Other developmental abnormalities that may be associated with this syndrome are Hirschsprung's disease and a myriad of cardiovascular congenital defects. We present a case of a young girl with WS who found to have a persistent left superior vena cava (PLSVC) draining into the coronary sinus. The prevalence of PLSVC is increased in patients with chromosomal and genetic …
Upper Gastrointestinal Bleed Embolization With Onyx®: The "Tattoo Effect", Driss Raissi, Qian Yu, S. Houssam Mardini
Upper Gastrointestinal Bleed Embolization With Onyx®: The "Tattoo Effect", Driss Raissi, Qian Yu, S. Houssam Mardini
Radiology Faculty Publications
Endoscopic intervention is well validated for the control of upper gastrointestinal bleeding (UGIB). In cases of refractory bleeding, transarterial embolization is a safe and effective alternative. Ethylene vinyl alcohol (EVOH) commonly known as Onyx® is an inherently black liquid embolic approved for use in cerebrovascular arteriovenous malformations and is increasingly used as an embolic agent in multiple peripheral and visceral territories. Onyx® has a uniquely undesirable property of causing black color discoloration when used in peripheral applications adjacent to the skin akin to a "tattoo effect." Knowledge of the agents used by the interventional radiologist, clinical correlation, and …
X-Search: An Open Access Interface For Cross-Cohort Exploration Of The National Sleep Research Resource, Licong Cui, Ningzhou Zeng, Matthew Kim, Remo Mueller, Emily Ruth Hankosky, Susan Redline, Guo-Qiang Zhang
X-Search: An Open Access Interface For Cross-Cohort Exploration Of The National Sleep Research Resource, Licong Cui, Ningzhou Zeng, Matthew Kim, Remo Mueller, Emily Ruth Hankosky, Susan Redline, Guo-Qiang Zhang
Computer Science Faculty Publications
Background: The National Sleep Research Resource (NSRR) is a large-scale, openly shared, data repository of de-identified, highly curated clinical sleep data from multiple NIH-funded epidemiological studies. Although many data repositories allow users to browse their content, few support fine-grained, cross-cohort query and exploration at study-subject level. We introduce a cross-cohort query and exploration system, called X-search, to enable researchers to query patient cohort counts across a growing number of completed, NIH-funded studies in NSRR and explore the feasibility or likelihood of reusing the data for research studies.
Methods: X-search has been designed as a general framework with two loosely-coupled components: …
Blocking Drug Activation As A Therapeutic Strategy To Attenuate Acute Toxicity And Physiological Effects Of Heroin, Ting Zhang, Xirong Zheng, Kyungbo Kim, Fang Zheng, Chang-Guo Zhan
Blocking Drug Activation As A Therapeutic Strategy To Attenuate Acute Toxicity And Physiological Effects Of Heroin, Ting Zhang, Xirong Zheng, Kyungbo Kim, Fang Zheng, Chang-Guo Zhan
Molecular Modeling and Biopharmaceutical Center Faculty Publications
Heroin is a growing national crisis in America. There is an increasing frequency of heroin overdoses. All of the currently used therapeutic approaches to treatment of heroin abuse and other opioid drugs of abuse focus on antagonizing a brain receptor (particularly µ-opiate receptors). However, it has been known that the therapeutic use of certain µ-opiate receptor antagonist may actually increase heroin overdose. Once overdosed, heroin addicts may continue to get overdosed again and again until fatal. Here we report our design and validation of a novel therapeutic strategy targeting heroin activation based on our analysis of the chemical transformation and …
Effects Of Intraoperative Epidural Anesthesia During Hepatectomy On Intraoperative And Post-Operative Patient Outcomes, Christopher Mallard, Brad Withers, Brooke Bauer, Paul A. Sloan, Sean Dineen, Annette Rebel
Effects Of Intraoperative Epidural Anesthesia During Hepatectomy On Intraoperative And Post-Operative Patient Outcomes, Christopher Mallard, Brad Withers, Brooke Bauer, Paul A. Sloan, Sean Dineen, Annette Rebel
Anesthesiology Faculty Publications
Objective: The objective of this study was to evaluate the effects of intraoperative epidural anesthesia combined with balanced general anesthesia on intraoperative hemodynamics and fluid requirement, and on postoperative patient outcome.
Design: The study design was a retrospective data analysis of patients undergoing open hepatectomy at a single tertiary care center from May, 2013 to June, 2016. Patients undergoing hepatectomies were separated into two groups: patients not receiving epidural local anesthetic intraoperatively (either no epidural or epidural catheter not used intraoperatively) were designated the control group and patients receiving epidural local anesthetic intraoperatively (bolus and/or continuously). Patients were excluded if …
Platelet Cd36 Signaling Through Erk5 Promotes Caspase-Dependent Procoagulant Activity And Fibrin Deposition In Vivo, Moua Yang, Andaleb Kholmukhamedov, Marie L. Schulte, Brian C. Cooley, Na'il O. Scoggins, Jeremy P. Wood, Scott J. Cameron, Craig N. Morrell, Shawn M. Jobe, Roy L. Silverstein
Platelet Cd36 Signaling Through Erk5 Promotes Caspase-Dependent Procoagulant Activity And Fibrin Deposition In Vivo, Moua Yang, Andaleb Kholmukhamedov, Marie L. Schulte, Brian C. Cooley, Na'il O. Scoggins, Jeremy P. Wood, Scott J. Cameron, Craig N. Morrell, Shawn M. Jobe, Roy L. Silverstein
Saha Cardiovascular Research Center Faculty Publications
Dyslipidemia is a risk factor for clinically significant thrombotic events. In this condition, scavenger receptor CD36 potentiates platelet reactivity through recognition of circulating oxidized lipids. CD36 promotes thrombosis by activating redox-sensitive signaling molecules, such as the MAPK extracellular signal-regulated kinase 5 (ERK5). However, the events downstream of platelet ERK5 are not clear. In this study, we report that oxidized low-density lipoprotein (oxLDL) promotes exposure of procoagulant phosphatidylserine (PSer) on platelet surfaces. Studies using pharmacologic inhibitors indicate that oxLDL-CD36 interaction–induced PSer exposure requires apoptotic caspases in addition to the downstream CD36-signaling molecules Src kinases, hydrogen peroxide, and ERK5. Caspases promote PSer …
Myeloablative Vs Reduced-Intensity Conditioning Allogeneic Hematopoietic Cell Transplantation For Chronic Myeloid Leukemia, Saurabh Chhabra, Kwang Woo Ahn, Zhen-Huan Hu, Sandeep Jain, Amer Assal, Jan Cerny, Edward A. Copelan, Andrew Daly, Zachariah Defilipp, Shahinaz M Gadalla, Robert Peter Gale, Siddhartha Ganguly, Betty K. Hamilton, Gerhard C. Hildebrandt, Jack W. Hsu, Yoshihiro Inamoto, Abraham S. Kanate, H. Jean Khoury, Hillard M. Lazarus, Mark R. Litzow, Sunita Nathan, Richard F. Olsson, Attaphol Pawarode, Olle Ringden, Jacob M. Rowe, Ayman Saad, Bipin N. Savani, Harry C. Schouten, Sachiko Seo, Nirav N. Shah
Myeloablative Vs Reduced-Intensity Conditioning Allogeneic Hematopoietic Cell Transplantation For Chronic Myeloid Leukemia, Saurabh Chhabra, Kwang Woo Ahn, Zhen-Huan Hu, Sandeep Jain, Amer Assal, Jan Cerny, Edward A. Copelan, Andrew Daly, Zachariah Defilipp, Shahinaz M Gadalla, Robert Peter Gale, Siddhartha Ganguly, Betty K. Hamilton, Gerhard C. Hildebrandt, Jack W. Hsu, Yoshihiro Inamoto, Abraham S. Kanate, H. Jean Khoury, Hillard M. Lazarus, Mark R. Litzow, Sunita Nathan, Richard F. Olsson, Attaphol Pawarode, Olle Ringden, Jacob M. Rowe, Ayman Saad, Bipin N. Savani, Harry C. Schouten, Sachiko Seo, Nirav N. Shah
Markey Cancer Center Faculty Publications
Allogeneic hematopoietic cell transplantation (allo-HCT) is a potentially curative treatment of chronic myeloid leukemia (CML). Optimal conditioning intensity for allo-HCT for CML in the era of tyrosine kinase inhibitors (TKIs) is unknown. Using the Center for International Blood and Marrow Transplant Research database, we sought to determine whether reduced-intensity/nonmyeloablative conditioning (RIC) allo-HCT and myeloablative conditioning (MAC) result in similar outcomes in CML patients. We evaluated 1395 CML allo-HCT recipients between the ages of 18 and 60 years. The disease status at transplant was divided into the following categories: chronic phase 1, chronic phase 2 or greater, and accelerated phase. Patients …
Implanted Hemodynamic Monitoring In Management Of Significant Right Heart Failure Before And After Lvad Implantation: Creation And Maintenance Of Fontan Physiology In Severe Rv Dysfunction, Kevin Yei, Casey Kaisi, Rajeev Mohan, Ajay Srivastava, J Thomas Heywood
Implanted Hemodynamic Monitoring In Management Of Significant Right Heart Failure Before And After Lvad Implantation: Creation And Maintenance Of Fontan Physiology In Severe Rv Dysfunction, Kevin Yei, Casey Kaisi, Rajeev Mohan, Ajay Srivastava, J Thomas Heywood
The VAD Journal
In the left ventricular assist device (LVAD) population, right ventricular (RV) failure represents a significant cause of morbidity and mortality. It is unclear whether hemodynamic monitoring with the implantable CardioMEMS system can improve outcomes within this population. This case report highlights two patients in our clinic who had CardioMEMS implanted after LVAD, enabling us to modify their medical regimens remotely and more frequently in the management of their RV failure.
Development Of A Diagnostic Marker For Phlebotomus Papatasi To Initiate A Potential Vector Surveillance Program In North America, Austin Merchant, Tian Yu, Jizhe Shi, Xuguo Zhou
Development Of A Diagnostic Marker For Phlebotomus Papatasi To Initiate A Potential Vector Surveillance Program In North America, Austin Merchant, Tian Yu, Jizhe Shi, Xuguo Zhou
Entomology Faculty Publications
Phlebotomus papatasi, an Old World sand fly species, is primarily responsible for the transmission of leishmaniasis, a highly infectious and potentially lethal disease. International travel, especially military rotations, between domestic locations and P. papatasi-prevalent regions in the Middle East poses an imminent threat to the public health of US citizens. Because of its small size and cryptic morphology, identification of P. papatasi is challenging and labor-intensive. Here, we developed a ribosomal DNA-polymerase chain reaction (PCR)-based diagnostic assay that is capable of detecting P. papatasi genomic DNA from mixed samples containing multiple sand flies native to the Americas. Serial …
Modulation Of Auxin And Cytokinin Responses By Early Steps Of The Phenylpropanoid Pathway, Jasmina Kurepa, Timothy E. Shull, Sumudu S. Karunadasa, Jan A. Smalle
Modulation Of Auxin And Cytokinin Responses By Early Steps Of The Phenylpropanoid Pathway, Jasmina Kurepa, Timothy E. Shull, Sumudu S. Karunadasa, Jan A. Smalle
Plant and Soil Sciences Faculty Publications
Background: The phenylpropanoid pathway is responsible for the synthesis of numerous compounds important for plant growth and responses to the environment. In the first committed step of phenylpropanoid biosynthesis, the enzyme phenylalanine ammonia-lyase (PAL) deaminates L-phenylalanine into trans-cinnamic acid that is then converted into p-coumaric acid by cinnamate-4-hydroxylase (C4H). Recent studies showed that the Kelch repeat F-box (KFB) protein family of ubiquitin ligases control phenylpropanoid biosynthesis by promoting the proteolysis of PAL. However, this ubiquitin ligase family, alternatively named Kiss Me Deadly (KMD), was also implicated in cytokinin signaling as it was shown to promote the degradation of …
Associations Of Demographic Factors And Tobacco Use With Progesterone And Estradiol During Pregnancy, Kristin Ashford, Emily Rayens, Amanda T. Wiggins, Mary Kay Rayens, Molly Malany Sayre, John O'Brien
Associations Of Demographic Factors And Tobacco Use With Progesterone And Estradiol During Pregnancy, Kristin Ashford, Emily Rayens, Amanda T. Wiggins, Mary Kay Rayens, Molly Malany Sayre, John O'Brien
Perinatal Research and Wellness Center Faculty Publications
Objective: To evaluate the association of biochemically validated prenatal tobacco use with serum progesterone and estradiol in the second trimester of pregnancy, controlling for demographic and personal factors.
Study design: This secondary analysis of a multicenter longitudinal study included 114 women with singleton pregnancies. Multiple regression analysis assessed whether prenatal tobacco use was related to hormone levels during the second trimester, controlling for covariates (age, body mass index, and race or ethnicity, with gestational age added to subsequent models).
Result: In the initial regressions, tobacco users had significantly lower progesterone level compared with nonsmokers (p = .037), while estradiol …
Intranasal Rapamycin Ameliorates Alzheimer-Like Cognitive Decline In A Mouse Model Of Down Syndrome, Antonella Tramutola, Chiara Lanzillotta, Eugenio Barone, Andrea Arena, Ilaria Zuliani, Luciana Mosca, Carla Blarzino, D. Allan Butterfield, Marzia Perluigi, Fabio Di Domenico
Intranasal Rapamycin Ameliorates Alzheimer-Like Cognitive Decline In A Mouse Model Of Down Syndrome, Antonella Tramutola, Chiara Lanzillotta, Eugenio Barone, Andrea Arena, Ilaria Zuliani, Luciana Mosca, Carla Blarzino, D. Allan Butterfield, Marzia Perluigi, Fabio Di Domenico
Chemistry Faculty Publications
Background: Down syndrome (DS) individuals, by the age of 40s, are at increased risk to develop Alzheimer-like dementia, with deposition in brain of senile plaques and neurofibrillary tangles. Our laboratory recently demonstrated the disturbance of PI3K/AKT/mTOR axis in DS brain, prior and after the development of Alzheimer Disease (AD). The aberrant modulation of the mTOR signalling in DS and AD age-related cognitive decline affects crucial neuronal pathways, including insulin signaling and autophagy, involved in pathology onset and progression. Within this context, the therapeutic use of mTOR-inhibitors may prevent/attenuate the neurodegenerative phenomena. By our work we aimed to rescue mTOR signalling …
Restoration Of Left Ventricular Function Following Lvad Implantation – Remission Or Recovery? A Case Series., Shiksha Joshi, Mariah Barlow, Maya Guglin
Restoration Of Left Ventricular Function Following Lvad Implantation – Remission Or Recovery? A Case Series., Shiksha Joshi, Mariah Barlow, Maya Guglin
The VAD Journal
Background
A wide range of left ventricular (LV) recovery rates on left ventricular assist device (LVAD) support have been reported. In this case series, we summarize our experience with LVAD explantation for presumed LV recovery.
Case series
Out of 240 patients who received an LVAD implant in our program since its inception, we explanted/inactivated the pump for presumed LV recovery in only three patients. All three of these patients had relapse of cardiomyopathy within 6 months of explantation.
Conclusion
Our experience does not support the existence of LV recovery following LVAD implantation as a common phenomenon. Improvement in LV function …
Validation Of Near Infrared Fluorescence (Nirf) Probes In Vivo With Dual Laser Nirf Endoscope, Manisha Shrivastav, Elias Gounaris, Mohammad W. Khan, Jeffrey Ko, Stacy H. Ryu, Matthew Bogyo, Andrew Larson, Terrence A. Barrett, David J. Bentrem
Validation Of Near Infrared Fluorescence (Nirf) Probes In Vivo With Dual Laser Nirf Endoscope, Manisha Shrivastav, Elias Gounaris, Mohammad W. Khan, Jeffrey Ko, Stacy H. Ryu, Matthew Bogyo, Andrew Larson, Terrence A. Barrett, David J. Bentrem
Internal Medicine Faculty Publications
Purpose
The development of NIRF cathepsin activity probes offered the ability to visualize tumor associated tumor reaction and act as a surrogate marker to delineate the dysplastic lesions. One major type is a NIRF substrate of cathepsins (SBP), which is involved in catalytic way to produce high levels of fluorescence emission. The other major type (ABP) reacts with active cathepsins in stoichiometric manner since they bind covalently with their active center. Little is known about the sensitivity and the specificity of the NIRF probes to detect autochthonous developed dysplastic lesions. Dual laser NIRF endoscope provides a good tool to determine …
Odontogenic Abscesses In Rhesus Macaques (Macaca Mulatta) Of Cayo Santiago, Hong Li, Wenjing Luo, Anna Feng, Michelle L. Tang, Terry B. Kensler, Elizabeth Maldonado, Octavio A. Gonzalez, Matthew J. Kessler, Paul C. Dechow, Jeffrey L. Ebersole, Qian Wang
Odontogenic Abscesses In Rhesus Macaques (Macaca Mulatta) Of Cayo Santiago, Hong Li, Wenjing Luo, Anna Feng, Michelle L. Tang, Terry B. Kensler, Elizabeth Maldonado, Octavio A. Gonzalez, Matthew J. Kessler, Paul C. Dechow, Jeffrey L. Ebersole, Qian Wang
Center for Oral Health Research Faculty Publications
Objectives
Odontogenic abscesses are one of the most common dental diseases causing maxillofacial skeletal lesions. They affect the individual's ability to maintain the dental structures necessary to obtain adequate nutrition for survival and reproduction. In this study, the prevalence and pattern of odontogenic abscesses in relation to age, sex, matriline, and living periods were investigated in adult rhesus macaque skeletons of the free-ranging colony on Cayo Santiago, Puerto Rico.
Materials and Methods
The skulls used for this study were from the skeletons of 752 adult rhesus macaques, aged 8–31 years, and born between 1951 and 2000. They came from 66 …
Pediatric Cardioembolic Stroke In Midaortic Syndrome, Ana C. Albuja, Mauricio F. Villamar, Alejandra M. Stewart, Donita D. Lightner
Pediatric Cardioembolic Stroke In Midaortic Syndrome, Ana C. Albuja, Mauricio F. Villamar, Alejandra M. Stewart, Donita D. Lightner
Neurology Faculty Publications
No abstract provided.
Blood Transfusions In Preterm Infants: Changes On Perfusion Index And Intermittent Hypoxemia, Katrina T. Ibonia, Henrietta S. Bada, Philip M. Westgate, Enrique Gomez Pomar, Prasad Bhandary, Abhijit R. Patwardhan, Elie G. Abu Jawdeh
Blood Transfusions In Preterm Infants: Changes On Perfusion Index And Intermittent Hypoxemia, Katrina T. Ibonia, Henrietta S. Bada, Philip M. Westgate, Enrique Gomez Pomar, Prasad Bhandary, Abhijit R. Patwardhan, Elie G. Abu Jawdeh
Pediatrics Faculty Publications
BACKGROUND
Red blood cell (RBC) transfusion decreases intermittent hypoxemia (IH) events beyond the first week of life. This benefit may be related to improved perfusion to the respiratory control network. Perfusion index (PI) is a perfusion measure provided by the pulse oximeter. We hypothesized that the benefit in IH after RBC transfusion is associated with an increase in PI. In addition, we assessed the value of PI and clinical measures in predicting the effect of RBC transfusion on IH.
STUDY DESIGN AND METHODS
We prospectively enrolled infants less than 30 weeks' gestation age. PI and oxygen saturation (SpO2) …
Isobavachalcone Sensitizes Cells To E2-Induced Paclitaxel Resistance By Down-Regulating Cd44 Expression In Er+ Breast Cancer Cells, Junfeng Shi, Yi Chen, Wenxing Chen, Cuiju Tang, Honghong Zhang, Yuetong Chen, Xiuwei H. Yang, Zhi Xu, Jingsun Wei, Jinfei Chen
Isobavachalcone Sensitizes Cells To E2-Induced Paclitaxel Resistance By Down-Regulating Cd44 Expression In Er+ Breast Cancer Cells, Junfeng Shi, Yi Chen, Wenxing Chen, Cuiju Tang, Honghong Zhang, Yuetong Chen, Xiuwei H. Yang, Zhi Xu, Jingsun Wei, Jinfei Chen
Pharmacology and Nutritional Sciences Faculty Publications
Oestrogen receptor (ER) is expressed in approximately 60%‐70% of human breast cancer. Clinical trials and retrospective analyses have shown that ER‐positive (ER+) tumours are more tolerant to chemotherapeutic drug resistance than ER‐negative (ER−) tumours. In addition, isobavachalcone (IBC) is known as a kind of phytoestrogen with antitumour effect. However, the underlying mechanism of IBC in ER+ breast cancer needs to be elucidated further. Our in vitro experiments showed that IBC could attenuate 17β‐estradiol (E2)‐induced paclitaxel resistance and that E2 could stimulate CD44 expression in ER+ breast cancer cells but not in ER− cells. Meanwhile, E2 could …
Longitudinal Screening Detects Cognitive Stability And Behavioral Deterioration In Als Patients, Susan Woolley, Ray Goetz, Pam Factor-Litvak, Jennifer Murphy, Jonathan Hupf, Catherine Lomen-Hoerth, Howard Andrews, Daragh Heitzman, Richard Bedlack, Jonathan Katz, Richard Barohn, Eric Sorenson, Bjorn Oskarsson, Americo Fernandes Filho, Edward J. Kasarskis, Tahseen Mozaffar, Sharon Nations, Andrea Swenson, Agnes Koczon-Jaremko, Georgia Christodoulou, Hiroshi Mitsumoto
Longitudinal Screening Detects Cognitive Stability And Behavioral Deterioration In Als Patients, Susan Woolley, Ray Goetz, Pam Factor-Litvak, Jennifer Murphy, Jonathan Hupf, Catherine Lomen-Hoerth, Howard Andrews, Daragh Heitzman, Richard Bedlack, Jonathan Katz, Richard Barohn, Eric Sorenson, Bjorn Oskarsson, Americo Fernandes Filho, Edward J. Kasarskis, Tahseen Mozaffar, Sharon Nations, Andrea Swenson, Agnes Koczon-Jaremko, Georgia Christodoulou, Hiroshi Mitsumoto
Neurology Faculty Publications
Objective. To evaluate longitudinal cognitive/behavioral change over 12 months in participants enrolled in the ALS Multicenter Cohort Study of Oxidative Stress (ALS COSMOS). Methods. We analyzed data from 294 ALS participants, 134 of whom were studied serially. Change over time was evaluated controlling for age, sex, symptom duration, education, race, and ethnicity. Using multiple regression, we evaluated associations among decline in ALS Functional Rating Scale-Revised (ALSFRS-R) scores, forced vital capacity (FVC), and cognitive/behavioral changes. Change in cognitive/behavioral subgroups was assessed using one-way analyses of covariance. Results. Participants with follow-up data had fewer baseline behavior problems compared to patients …
Hyperhomocysteinemia As A Risk Factor For Vascular Contributions To Cognitive Impairment And Dementia, Brittani R. Price, Donna M. Wilcock, Erica M. Weekman
Hyperhomocysteinemia As A Risk Factor For Vascular Contributions To Cognitive Impairment And Dementia, Brittani R. Price, Donna M. Wilcock, Erica M. Weekman
Physiology Faculty Publications
Behind only Alzheimer’s disease, vascular contributions to cognitive impairment and dementia (VCID) is the second most common cause of dementia, affecting roughly 10–40% of dementia patients. While there is no cure for VCID, several risk factors for VCID, such as diabetes, hypertension, and stroke, have been identified. Elevated plasma levels of homocysteine, termed hyperhomocysteinemia (HHcy), are a major, yet underrecognized, risk factor for VCID. B vitamin deficiency, which is the most common cause of HHcy, is common in the elderly. With B vitamin supplementation being a relatively safe and inexpensive therapeutic, the treatment of HHcy-induced VCID would seem straightforward; however, …
Examining Symptom Trajectories That Predict Worse Outcomes In Post-Cabg Patients, Ming-Fen Tsai, Shiow-Luan Tsay, Debra K. Moser, Tsuey-Yuan Huang, Feng-Chun Tsai
Examining Symptom Trajectories That Predict Worse Outcomes In Post-Cabg Patients, Ming-Fen Tsai, Shiow-Luan Tsay, Debra K. Moser, Tsuey-Yuan Huang, Feng-Chun Tsai
Nursing Faculty Publications
Background: Coronary artery bypass grafting is one of the most common interventional revascularisation procedures used to treat coronary artery disease worldwide. With a wide variability in postoperative cardiac symptoms, identification of symptom trajectories during the 3-month postoperative recovery period may improve clinicians’ abilities to support symptom recovery.
Aims: To identify distinct trajectories of cardiac symptoms seen over time in a cohort of patients during the 3-month post-coronary artery bypass grafting period, and determine clinical characteristics associated with different symptom trajectories postoperatively.
Methods: A prospective trial used the cardiac symptom survey to determine patient symptoms at baseline prior to surgery, and …
Glimepiride Administered In Chow Reversibly Impairs Glucose Tolerance In Mice, Dana M. Niedowicz, Sabire Özcan, Peter T. Nelson
Glimepiride Administered In Chow Reversibly Impairs Glucose Tolerance In Mice, Dana M. Niedowicz, Sabire Özcan, Peter T. Nelson
Sanders-Brown Center on Aging Faculty Publications
Sulfonylureas are a class of antidiabetes medications prescribed to millions of individuals worldwide. Rodents have been used extensively to study sulfonylureas in the laboratory. Here, we report the results of studies treating mice with a sulfonylurea (glimepiride) in order to understand how the drug affects glucose homeostasis and tolerance. We tested the effect of glimepiride on fasting blood glucose, glucose tolerance, and insulin secretion, using glimepiride sourced from a local pharmacy. We also examined the effect on glucagon, gluconeogenesis, and insulin sensitivity. Unexpectedly, glimepiride exposure in mice was associated with fasting hyperglycemia, glucose intolerance, and decreased insulin. There was no …
Rationale, Design And Methods Of "Set The Rules": A Tailored Peer-To-Peer Health Information Intervention, Jennifer R. Warren, Brandi M. White
Rationale, Design And Methods Of "Set The Rules": A Tailored Peer-To-Peer Health Information Intervention, Jennifer R. Warren, Brandi M. White
Health and Clinical Sciences Faculty Publications
Ensuring equitable access to health information is one strategy to promote health equity for underserved communities, especially for low-income African Americans (AAs). Childcare centers are one viable site to deliver health information to address this disparity. This paper describes the methods used in a community-based participatory research project with a childcare facility that aimed to reduce environmental tobacco smoke (ETS) exposure among low-income AA children. Through collaboration and multiple data collection methods, partners identified communication strategies to overcome informational barriers. These initial findings indicated a peer-to-peer health information intervention, entitled “Set the Rules”, as the best strategy to increase awareness. …
A Novel Tetracycline-Responsive Transgenic Mouse Strain For Skeletal Muscle-Specific Gene Expression, Masahiro Iwata, Davis A. Englund, Yuan Wen, Cory M. Dungan, Kevin A. Murach, Ivan J. Vechetti Jr., Christopher B. Mobley, Charlotte A. Peterson, John J. Mccarthy
A Novel Tetracycline-Responsive Transgenic Mouse Strain For Skeletal Muscle-Specific Gene Expression, Masahiro Iwata, Davis A. Englund, Yuan Wen, Cory M. Dungan, Kevin A. Murach, Ivan J. Vechetti Jr., Christopher B. Mobley, Charlotte A. Peterson, John J. Mccarthy
Center for Muscle Biology Faculty Publications
Background: The tetracycline-responsive system (Tet-ON/OFF) has proven to be a valuable tool for manipulating gene expression in an inducible, temporal, and tissue-specific manner. The purpose of this study was to create and characterize a new transgenic mouse strain utilizing the human skeletal muscle α-actin (HSA) promoter to drive skeletal muscle-specific expression of the reverse tetracycline transactivator (rtTA) gene which we have designated as the HSA-rtTA mouse.
Methods: To confirm the HSA-rtTA mouse was capable of driving skeletal muscle-specific expression, we crossed the HSA-rtTA mouse with the tetracycline-responsive histone H2B-green fluorescent protein (H2B-GFP) transgenic mouse in order to label myonuclei.
Results: …
Collagen Prolyl 4-Hydroxylase 1 Is Essential For Hif-1Α Stabilization And Tnbc Chemoresistance, Gaofeng Xiong, Rachel L. Stewart, Jie Chen, Tianyan Gao, Timothy L. Scott, Luis M. Samayoa, Kathleen L. O'Connor, Andrew N. Lane, Ren Xu
Collagen Prolyl 4-Hydroxylase 1 Is Essential For Hif-1Α Stabilization And Tnbc Chemoresistance, Gaofeng Xiong, Rachel L. Stewart, Jie Chen, Tianyan Gao, Timothy L. Scott, Luis M. Samayoa, Kathleen L. O'Connor, Andrew N. Lane, Ren Xu
Markey Cancer Center Faculty Publications
Collagen prolyl 4-hydroxylase (P4H) expression and collagen hydroxylation in cancer cells are necessary for breast cancer progression. Here, we show that P4H alpha 1 subunit (P4HA1) protein expression is induced in triple-negative breast cancer (TNBC) and HER2 positive breast cancer. By modulating alpha ketoglutarate (α-KG) and succinate levels P4HA1 expression reduces proline hydroxylation on hypoxia-inducible factor (HIF) 1α, enhancing its stability in cancer cells. Activation of the P4HA/HIF-1 axis enhances cancer cell stemness, accompanied by decreased oxidative phosphorylation and reactive oxygen species (ROS) levels. Inhibition of P4HA1 sensitizes TNBC to the chemotherapeutic agent docetaxel and doxorubicin in xenografts and patient-derived …
Use And Effectiveness Of The Individual Development Plan Among Postdoctoral Researchers: Findings From A Cross-Sectional Study, Nathan L. Vanderford, Teresa M. Evans, L. Todd Weiss, Lindsay Bira, Jazmin Beltran-Gastelum
Use And Effectiveness Of The Individual Development Plan Among Postdoctoral Researchers: Findings From A Cross-Sectional Study, Nathan L. Vanderford, Teresa M. Evans, L. Todd Weiss, Lindsay Bira, Jazmin Beltran-Gastelum
Toxicology and Cancer Biology Faculty Publications
The individual development plan (IDP) is a career planning tool that aims to assist PhD trainees in self-assessing skills, exploring career paths, developing short- and long-term career goals, and creating action plans to achieve those goals. The National Institutes of Health and many academic institutions have created policies that mandate completion of the IDP by both graduate students and postdoctoral researchers. Despite these policies, little information exists regarding how widely the tool is used and whether it is useful to the career development of PhD trainees. Herein, we present data from a multi-institutional, online survey on the use and effectiveness …
Repeat Elements Organise 3d Genome Structure And Mediate Transcription In The Filamentous Fungus Epichloë Festucae, David J. Winter, Austen R. D. Ganley, Carolyn A. Young, Ivan Liachko, Christopher L. Schardl, Pierre-Yves Dupont, Daniel Berry, Arvina Ram, Barry Scott, Murray P. Cox
Repeat Elements Organise 3d Genome Structure And Mediate Transcription In The Filamentous Fungus Epichloë Festucae, David J. Winter, Austen R. D. Ganley, Carolyn A. Young, Ivan Liachko, Christopher L. Schardl, Pierre-Yves Dupont, Daniel Berry, Arvina Ram, Barry Scott, Murray P. Cox
Plant Pathology Faculty Publications
Structural features of genomes, including the three-dimensional arrangement of DNA in the nucleus, are increasingly seen as key contributors to the regulation of gene expression. However, studies on how genome structure and nuclear organisation influence transcription have so far been limited to a handful of model species. This narrow focus limits our ability to draw general conclusions about the ways in which three-dimensional structures are encoded, and to integrate information from three-dimensional data to address a broader gamut of biological questions. Here, we generate a complete and gapless genome sequence for the filamentous fungus, Epichloë festucae. We use Hi-C …
Trajectory Of Thirst Intensity And Distress From Admission To 4-Week Follow Up At Home In Patients With Heart Failure, Nana Waldréus, Misook L. Chung, Martje H. L. Van Der Wal, Tiny Jaarsma
Trajectory Of Thirst Intensity And Distress From Admission To 4-Week Follow Up At Home In Patients With Heart Failure, Nana Waldréus, Misook L. Chung, Martje H. L. Van Der Wal, Tiny Jaarsma
Nursing Faculty Publications
Background: Patients with heart failure (HF) can suffer from increased thirst intensity and distress. Trajectories of thirst intensity and distress from hospital to home are unclear. The aim of this study was to describe thirst intensity and distress trajectories in patients from the time of hospital admission to 4 weeks after discharge, and describe trajectories of thirst intensity and distress by patients’ characteristics (gender, age, body mass index [BMI], plasma urea, anxiety, and depression).
Patients and methods: In this observational study, data were collected from patients with HF (n=30) at hospital admission, discharge, and at 2 and 4 weeks after …