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https://www.readbyqxmd.com/read/28499865/implication-of-altered-autonomic-control-for-orthostatic-tolerance-in-sci
#1
REVIEW
Jill Maria Wecht, William A Bauman
Neural output from the sympathetic and parasympathetic branches of the autonomic nervous system (ANS) are integrated to appropriately control cardiovascular responses during routine activities of daily living including orthostatic positioning. Sympathetic control of the upper extremity vasculature and the heart arises from the thoracic cord between T1 and T5, whereas splanchnic bed and lower extremity vasculature receive sympathetic neural input from the lower cord between segments T5 and L2. Although the vasculature is not directly innervated by the parasympathetic nervous system, the SA node is innervated by post-ganglionic vagal nerve fibers via cranial nerve X...
May 3, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28465350/myostatin-inhibits-osteoblastic-differentiation-by-suppressing-osteocyte-derived-exosomal-microrna-218-a-novel-mechanism-in-muscle-bone-communication
#2
Yiwen Qin, Yuanzhen Peng, Wei Zhao, Jianping Pan, Hanna Ksiezak-Reding, Christopher Cardozo, Yingjie Wu, Paola Divieti Pajevic, Lynda F Bonewald, William A Bauman, Weiping Qin
Muscle and bone are closely associated in both anatomy and function, but the mechanisms that coordinate their synergistic action remain poorly defined. Myostatin, a myokine secreted by muscles, has been shown to inhibit muscle growth, and the disruption of the myostatin gene has been reported to cause muscle hypertrophy and increase bone mass. Extracellular vesicle-exosomes that carry microRNA (miRNA), mRNA, and proteins are known to perform an important role in cell-cell communication. We hypothesized that myostatin may play a crucial role in muscle-bone interactions and may promote direct effects on osteocytes and on osteocyte-derived exosomal miRNAs, thereby indirectly influencing the function of other bone cells...
May 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28462685/effect-of-heat-exposure-on-cognition-in-persons-with-tetraplegia
#3
John P Handrakis, Zhen Ni Guan, John W Nulty, Oriana Tascione, Dwindally Rosado-Rivera, Daniel White, Charlene Bang, Ann Spungen, William A Bauman
Individuals with cervical spinal cord injury (SCI) have impaired thermoregulatory mechanisms due to interruption of motor, sensory, and autonomic neuropathways. To determine the effects of heat exposure on core body temperature (Tcore) and cognitive performance in persons with tetraplegia, eight individuals with chronic tetraplegia (C3-C7, AIS A-B) and 9 able-bodied controls were acclimated to 27°C at baseline (BL) before being exposed to 35°C for up to 120 minutes (Heat Challenge). Rectal temperature (Tcore), distal skin temperatures (Tsk<sub>avg</sub>), sweat rate (QS<sub>avg</sub>), microvascular skin perfusion (LDF<sub>avg</sub>), and plasma norepinephrine (NE) were measured...
May 2, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28352657/randomized-placebo-controlled-window-trial-of-egfr-src-or-combined-blockade-in-head-and-neck-cancer
#4
Julie E Bauman, Umamaheswar Duvvuri, William E Gooding, Tanya J Rath, Neil D Gross, John Song, Antonio Jimeno, Wendell G Yarbrough, Faye M Johnson, Lin Wang, Simion Chiosea, Malabika Sen, Jason Kass, Jonas T Johnson, Robert L Ferris, Seungwon Kim, Fred R Hirsch, Kimberly Ellison, John T Flaherty, Gordon B Mills, Jennifer R Grandis
BACKGROUND. EGFR and Src family kinases are upregulated in head and neck squamous cell carcinoma (HNSCC). EGFR interacts with Src to activate STAT3 signaling, and dual EGFR-Src targeting is synergistic in HNSCC preclinical models. pSrc overexpression predicted resistance to the EGFR inhibitor, erlotinib, in a prior window trial. We conducted a 4-arm window trial to identify biomarkers associated with response to EGFR and/or Src inhibition. METHODS. Patients with operable stage II-IVa HNSCC were randomized to 7-21 days of neoadjuvant erlotinib, the Src inhibitor dasatinib, the combination of both, or placebo...
March 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28346471/effect-of-functional-sympathetic-nervous-system-impairment-of-the-liver-and-abdominal-visceral-adipose-tissue-on-circulating-triglyceride-rich-lipoproteins
#5
Michael F La Fountaine, Christopher M Cirnigliaro, Steven C Kirshblum, Cristin McKenna, William A Bauman
BACKGROUND: Interruption of sympathetic innervation to the liver and visceral adipose tissue (VAT) in animal models has been reported to reduce VAT lipolysis and hepatic secretion of very low density lipoprotein (VLDL) and concentrations of triglyceride-rich lipoprotein particles. Whether functional impairment of sympathetic nervous system (SNS) innervation to tissues of the abdominal cavity reduce circulating concentrations of triglyceride (TG) and VLDL particles (VLDL-P) was tested in men with spinal cord injury (SCI)...
2017: PloS One
https://www.readbyqxmd.com/read/28029303/e1308-phase-ii-trial-of-induction-chemotherapy-followed-by-reduced-dose-radiation-and-weekly-cetuximab-in-patients-with-hpv-associated-resectable-squamous-cell-carcinoma-of-the-oropharynx-ecog-acrin-cancer-research-group
#6
Shanthi Marur, Shuli Li, Anthony J Cmelak, Maura L Gillison, Weiqiang J Zhao, Robert L Ferris, William H Westra, Jill Gilbert, Julie E Bauman, Lynne I Wagner, David R Trevarthen, Jahagirdar Balkrishna, Barbara A Murphy, Nishant Agrawal, A Dimitrios Colevas, Christine H Chung, Barbara Burtness
Purpose Human papillomavirus (HPV)-associated oropharyngeal squamous cell carcinoma (OPSCC) is treatment-responsive. Definitive chemoradiation results in high cure rates but causes long-term toxicity and may represent overtreatment of some patients. This phase II trial evaluated whether complete clinical response (cCR) to induction chemotherapy (IC) could select patients with HPV-associated OPSCC for reduced radiation dose as a means of sparing late sequelae. Methods Patients with HPV16 and/or p16-positive, stage III-IV OPSCC received three cycles of IC with cisplatin, paclitaxel, and cetuximab...
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27998200/spinal-cord-injury-leads-to-hyperoxidation-and-nitrosylation-of-skeletal-muscle-ryanodine-receptor-1-associated-with-upregulation-of-nicotinamide-adenine-dinucleotide-phosphate-oxidase-4
#7
Xin-Hua Liu, Lauren Harlow, Zachary A Graham, William A Bauman, Christopher Cardozo
Spinal cord injury (SCI) results in marked atrophy and dysfunction of skeletal muscle. There are currently no effective treatments for SCI-induced muscle atrophy or the dysfunction of the remaining muscle tissue. Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase-4 (Nox4) produces reactive oxygen species (ROS) in sarcoplasmic reticulum (SR) and has been identified as an important O2 sensor in skeletal muscle. Ryanodine receptors (RyRs) are calcium (Ca(2+)) channels that are responsible for Ca(2+) release from SR...
February 27, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27907012/the-signature-of-microrna-dysregulation-in-muscle-paralyzed-by-spinal-cord-injury-includes-downregulation-of-micrornas-that-target-myostatin-signaling
#8
Rita De Gasperi, Zachary A Graham, Lauren M Harlow, William A Bauman, Weiping Qin, Christopher P Cardozo
Spinal cord injury (SCI) results in muscle atrophy, reduced force generation and an oxidative-to-glycolytic fiber type shift. The mechanisms responsible for these alterations remain incompletely understood. To gain new insights regarding mechanisms involved in deterioration of muscle after SCI, global expression profiles of miRs in paralyzed gastrocnemius muscle were compared between sham-operated (Sham) and spinal cord-transected (SCI) rats. Ingenuity Pathways Analysis of the altered miRs identified signaling via insulin, IGF-1, integrins and TGF-β as being significantly enriched for target genes...
2016: PloS One
https://www.readbyqxmd.com/read/27906454/immunotherapy-of-head-and-neck-cancer-emerging-clinical-trials-from-a-national-cancer-institute-head-and-neck-cancer-steering-committee-planning-meeting
#9
Julie E Bauman, Ezra Cohen, Robert L Ferris, David J Adelstein, David M Brizel, John A Ridge, Brian O'Sullivan, Barbara A Burtness, Lisa H Butterfield, William E Carson, Mary L Disis, Bernard A Fox, Thomas F Gajewski, Maura L Gillison, James W Hodge, Quynh-Thu Le, David Raben, Scott E Strome, Jean Lynn, Shakun Malik
Recent advances have permitted successful therapeutic targeting of the immune system in head and neck squamous cell carcinoma (HNSCC). These new immunotherapeutic targets and agents are being rapidly adopted by the oncologic community and hold considerable promise. The National Cancer Institute sponsored a Clinical Trials Planning Meeting to address the issue of how to further investigate the use of immunotherapy in patients with HNSCC. The goals of the meeting were to consider phase 2 or 3 trial designs primarily in 3 different patient populations: those with previously untreated, human papillomavirus-initiated oropharyngeal cancers; those with previously untreated, human papillomavirus-negative HNSCC; and those with recurrent/metastatic HNSCC...
April 1, 2017: Cancer
https://www.readbyqxmd.com/read/27892841/impact-of-the-swap-it-don-t-stop-it-australian-national-mass-media-campaign-on-promoting-small-changes-to-lifestyle-behaviors
#10
Blythe J O'Hara, Anne Grunseit, Philayrath Phongsavan, William Bellew, Megan Briggs, Adrian E Bauman
Mass media campaigns aimed at influencing lifestyle risk factors are one way that governments are attempting to address chronic disease risk. In Australia, a national campaign aimed at encouraging Australians to make changes in lifestyle-related behaviors was implemented from 2008 to 2011. The first phase, Measure Up (2008-2009), focused on why lifestyle changes are needed by increasing awareness of the link between waist circumference and chronic disease risk. The second phase, Swap It, Don't Stop It (2011), emphasized how adults can change their behaviors...
December 2016: Journal of Health Communication
https://www.readbyqxmd.com/read/27808011/bronchodilator-effects-of-ipratropium-bromide-and-albuterol-sulfate-among-subjects-with-tetraplegia
#11
Gregory J Schilero, Joshua C Hobson, Kamaldeep Singh, Ann M Spungen, William A Bauman, Miroslav Radulovic
OBJECTIVE: In addition to lung volume restriction, persons with chronic tetraplegia demonstrate obstructive airway physiology evinced by pharmacologically-induced bronchodilation. We previously found independent evidence that anticholinergic agents (ipratropium bromide; IB) and beta-2 adrenergic agonists (albuterol sulfate; AS) were associated with significant bronchodilation in subjects with tetraplegia as determined via spirometry or body plethysmography. Direct comparison of these two classes of agents has received little attention...
November 3, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27735783/abundance-in-proteins-expressed-after-functional-electrical-stimulation-cycling-or-arm-cycling-ergometry-training-in-persons-with-chronic-spinal-cord-injury
#12
Ashraf S Gorgey, Zachary A Graham, William A Bauman, Christopher Cardozo, David R Gater
STUDY DESIGN: Longitudinal design. OBJECTIVES: The study determined the effects of two forms of exercise training on the abundance of two proteins, (glucose transporter-4 [GLUT-4], adenosine monophosphate kinase [AMPK]) involved in glucose utilization and the transcriptional coactivator that regulates the genes involved in energy metabolism and mitochondrial biogenesis (peroxisome proliferator-activated receptor (PPAR) coactivator 1 alpha [PGC-1α]), in muscles in men with chronic motor-complete spinal cord injury (SCI)...
October 13, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27599331/screening-for-latent-tuberculosis-infection-in-adults-us-preventive-services-task-force-recommendation-statement
#13
COMMENT
Kirsten Bibbins-Domingo, David C Grossman, Susan J Curry, Linda Bauman, Karina W Davidson, John W Epling, Francisco A R García, Jessica Herzstein, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, William R Phillips, Maureen G Phipps, Michael P Pignone
IMPORTANCE: Tuberculosis remains an important preventable disease in the United States. An effective strategy for reducing the transmission, morbidity, and mortality of active disease is the identification and treatment of latent tuberculosis infection (LTBI) to prevent progression to active disease. OBJECTIVE: To issue a current US Preventive Services Task Force (USPSTF) recommendation on screening for LTBI. EVIDENCE REVIEW: The USPSTF reviewed the evidence on screening for LTBI in asymptomatic adults seen in primary care, including evidence dating from the inception of searched databases...
September 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27531873/association-of-pretreatment-body-mass-index-and-survival-in-human-papillomavirus-positive-oropharyngeal-squamous-cell-carcinoma
#14
William G Albergotti, Kara S Davis, Shira Abberbock, Julie E Bauman, James Ohr, David A Clump, Dwight E Heron, Umamaheswar Duvvuri, Seungwon Kim, Jonas T Johnson, Robert L Ferris
BACKGROUND: Pretreatment body mass index (BMI) >25kg/m(2) is a positive prognostic factor in patients with head and neck cancer. Previous studies have not been adequately stratified by human papilloma virus (HPV) status or subsite. Our objective is to determine prognostic significance of pretreatment BMI on overall survival in HPV+ oropharyngeal squamous cell carcinoma (OPSCC). METHODS: This is a retrospective review of patients with HPV+ OPSCC treated between 8/1/2006 and 8/31/2014...
September 2016: Oral Oncology
https://www.readbyqxmd.com/read/27379604/subsets-of-salivary-duct-carcinoma-defined-by-morphologic-evidence-of-pleomorphic-adenoma-plag1-or-hmga2-rearrangements-and-common-genetic-alterations
#15
Simion I Chiosea, Lester D R Thompson, Ilan Weinreb, Julie E Bauman, Alyssa M Mahaffey, Caitlyn Miller, Robert L Ferris, William E Gooding
BACKGROUND: The authors hypothesized that histogenetic classification of salivary duct carcinoma (SDC) could account for de novo tumors and those with morphologic or molecular evidence (pleomorphic adenoma gene 1 [PLAG1], high-mobility group AT hook 2 [HMGA2] rearrangement, amplification) of pleomorphic adenoma (PA). METHODS: SDCs (n = 66) were reviewed for morphologic evidence of PA. PLAG1 and HMGA2 alterations were detected by fluorescence in situ hybridization (FISH)...
October 15, 2016: Cancer
https://www.readbyqxmd.com/read/27377772/sclerostin-antibody-preserves-the-morphology-and-structure-of-osteocytes-and-blocks-the-severe-skeletal-deterioration-after-motor-complete-spinal-cord-injury-in-rats
#16
Weiping Qin, Xiaodong Li, Yuanzhen Peng, Lauren M Harlow, Yinshi Ren, Yingjie Wu, Jiliang Li, Yiwen Qin, Jie Sun, Shijia Zheng, Tom Brown, Jian Q Feng, Hua Zhu Ke, William A Bauman, Christopher P Cardozo
No abstract text is available yet for this article.
July 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27373743/difficulty-in-identifying-factors-responsible-for-pressure-ulcer-healing-in-veterans-with-spinal-cord-injury
#17
Marylou Guihan, Min-Woong Sohn, William A Bauman, Ann M Spungen, Gail M Powell-Cope, Susan S Thomason, Joseph F Collins, Barbara M Bates-Jensen
OBJECTIVE: To identify characteristics associated with pressure ulcer (PrU) healing for individuals with spinal cord injury (SCI). DESIGN: Secondary analysis of a large clinical trial's data for healing PrUs in individuals with SCI; prospective Delphi process was conducted with SCI and/or PrU experts. SETTING: Spinal cord injury centers. PARTICIPANTS: There were 629 screening and 162 treatment participants (N=791); 185 SCI clinicians/national PrU/wound care experts participated in the Delphi process...
December 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27361552/autonomic-responses-to-orthostasis-after-acetylcholinesterase-inhibition-in-tetraplegia-2983-board-48-june-3-3-30-pm-5-00-pm
#18
Jill M Wecht, Christopher M Cirnigliaro, Frank Azarelo, Alexander T Lombard, William A Bauman, Steven C Kirshblum
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360358/functional-hepatic-sympathetic-innervation-determines-circulating-triglyceride-rich-lipoprotein-concentrations-in-persons-with-spinal-cord-injury-1439-board-92-june-2-9-00-am-10-30-am
#19
Michael F La Fountaine, Christopher M Cirnigliaro, Steven C Kirshblum, Ann M Spungen, William A Bauman
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27259391/the-assessment-of-blood-loss-during-total-knee-arthroplasty-when-comparing-intravenous-vs-intracapsular-administration-of-tranexamic-acid
#20
Jedediah H May, Geoffrey R Rieser, Chad G Williams, Ronald J Markert, Ryan D Bauman, Matthew W Lawless
BACKGROUND: Administration of tranexamic acid topically and intravenously has demonstrated effectiveness in decreasing blood loss and transfusion rates. METHODS: We randomized 131 patients undergoing primary total knee arthroplasty to receive either intracapsular (69) or intravenous tranexamic acid (62). Postoperative blood loss was calculated using the formula derived by Nadler et al. The number of units transfused was recorded, as well as length of hospital stay...
April 30, 2016: Journal of Arthroplasty
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