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https://www.readbyqxmd.com/read/28447573/improving-neurorepair-in-stroke-brain-through-endogenous-neurogenesis-enhancing-drugs
#1
Kuo-Jen Wu, Seongjin Yu, Jea-Young Lee, Barry Hoffer, Yun Wang
Stroke induces not only cell death but also neurorepair. De novo neurogenesis has been found in the subventricular zone(SVZ) of adult mammalian brain days after stroke. Most of these newly generated cells die shortly after the insult. Recent studies have shown that pharmacological manipulation can improve the survival of endogenous neuroprogenitor cells and neural regeneration in stroke rats. As these drugs target the endogenous reparative processes which occur days after stroke, they may provide a prolonged window for stroke therapy...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28447569/a-new-treatment-strategy-for-parkinson-s-disease-through-the-gut-brain-axis-the-glucagon-like-peptide-1-receptor-pathway
#2
Dong Seok Kim, Ho-Il Choi, Yun Wang, Yu Luo, Barry J Hoffer, Nigel H Greig
Molecular communications in the gut-brain axis, between the central nervous system and the gastrointestinal tract, arecritical for maintaining healthy brain function particularly in aging. Epidemiological analyses indicate type 2 diabetes mellitus (T2DM) is a risk factor for neurodegenerative disorders, including Alzheimer's disease (AD) and Parkinson's diseases (PD) for which aging shows a major correlative association. Common pathophysiological features exist between T2DM, AD and PD, including oxidative stress, inflammation, insulin resistance, abnormal protein processing and cognitive decline, and suggest that effective drugs for T2DM that positively impact the gut-brain axis could provide an effective treatment option for neurodegenerative diseases...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28441238/diaphragm-activation-in-ventilated-patients-using-a-novel-transvenous-phrenic-nerve-pacing-catheter
#3
Steven Reynolds, Adrian Ebner, Tracy Meffen, Viral Thakkar, Matt Gani, Kaity Taylor, Linda Clark, Gautam Sadarangani, Ramasamy Meyyappan, Rodrigo Sandoval, Elizabeth Rohrs, Joaquín A Hoffer
OBJECTIVES: Over 30% of critically ill patients on positive-pressure mechanical ventilation have difficulty weaning from the ventilator, many of whom acquire ventilator-induced diaphragm dysfunction. Temporary transvenous phrenic nerve pacing using a novel electrode-bearing catheter may provide a means to prevent diaphragm atrophy, to strengthen an atrophied diaphragm, and mitigate the harms of mechanical ventilation. We tested the initial safety, feasibility, and impact on ventilation of this novel approach...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28397157/the-dynamics-of-de-adoption-a-case-study-of-policy-change-de-adoption-and-replacement-of-an-evidence-based-hiv-intervention
#4
Virginia R McKay, M Margaret Dolcini, Lee D Hoffer
Evidence-based intervention (EBI) de-adoption and its influence on public health organizations are largely unexplored within public health implementation research. However, a recent shift in support for HIV prevention EBIs by the Centers for Disease Control and Prevention provides an opportunity to explore EBI de-adoption. The current mixed-method study examines EBI de-adoption and the subsequent impact on a community-based organization (CBO) dedicated to HIV prevention. We conducted a case study with a CBO implementing RESPECT, an HIV prevention EBI, over 5 years (2010-2014), but then de-adopted the intervention...
April 10, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28388374/summary-points-and-consensus-recommendations-from-the-international-protein-summit
#5
Ryan T Hurt, Stephen A McClave, Robert G Martindale, Juan B Ochoa Gautier, Jorge A Coss-Bu, Roland N Dickerson, Daren K Heyland, L John Hoffer, Frederick A Moore, Claudia R Morris, Douglas Paddon-Jones, Jayshil J Patel, Stuart M Phillips, Saúl J Rugeles, Menaka Sarav Md, Peter J M Weijs, Jan Wernerman, Jill Hamilton-Reeves, Craig J McClain, Beth Taylor
The International Protein Summit in 2016 brought experts in clinical nutrition and protein metabolism together from around the globe to determine the impact of high-dose protein administration on clinical outcomes and address barriers to its delivery in the critically ill patient. It has been suggested that high doses of protein in the range of 1.2-2.5 g/kg/d may be required in the setting of the intensive care unit (ICU) to optimize nutrition therapy and reduce mortality. While incapable of blunting the catabolic response, protein doses in this range may be needed to best stimulate new protein synthesis and preserve muscle mass...
April 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28388370/will-we-ever-agree-on-protein-requirements-in-the-intensive-care-unit
#6
L John Hoffer, Roland N Dickerson, Robert G Martindale, Stephen A McClave, Juan B Ochoa Gautier
The precise value of the normal adult protein requirement has long been debated. For many reasons-one of them being the difficulty of carrying out long-term nutrition experiments in free-living people-uncertainty is likely to persist indefinitely. By contrast, the controlled environment of the intensive care unit and relatively short trajectory of many critical illnesses make it feasible to use hard clinical outcome trials to determine protein requirements for critically ill patients in well-defined clinical situations...
April 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28366365/intraocular-lens-power-calculations-in-eyes-with-previous-hyperopic-laser-in-situ-keratomileusis-or-photorefractive-keratectomy
#7
Eric B Hamill, Li Wang, Hayley K Chopra, Warren Hill, Douglas D Koch
PURPOSE: To evaluate the accuracy of 7 intraocular lens (IOL) calculation formulas in patients with previous hyperopic laser in situ keratomileusis (LASIK) or excimer laser photorefractive keratectomy (PRK). DESIGN: Retrospective case series. SETTING: Cullen Eye Institute, Baylor College of Medicine, Houston, Texas, and private practice, Mesa, Arizona, USA. METHODS: The 7 formulas evaluated were the adjusted Atlas 0-3, Masket, Modified Masket, Haigis-L, Shammas-PL, Barrett True-K, and Barrett True-K No-History...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28362569/calorie-and-protein-content-of-parenteral-amino-acid-solutions
#8
L John Hoffer
No abstract text is available yet for this article.
April 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28358346/a-data-driven-diagnostic-framework-for-wind-turbine-structures-a-holistic-approach
#9
Simona Bogoevska, Minas Spiridonakos, Eleni Chatzi, Elena Dumova-Jovanoska, Rudiger Höffer
The complex dynamics of operational wind turbine (WT) structures challenges the applicability of existing structural health monitoring (SHM) strategies for condition assessment. At the center of Europe's renewable energy strategic planning, WT systems call for implementation of strategies that may describe the WT behavior in its complete operational spectrum. The framework proposed in this paper relies on the symbiotic treatment of acting environmental/operational variables and the monitored vibration response of the structure...
March 30, 2017: Sensors
https://www.readbyqxmd.com/read/28355262/correction-accuracy-of-optical-biometry-combined-with-placido-disc-corneal-topography-for-intraocular-lens-power-calculation
#10
Giacomo Savini, Kenneth J Hoffer, Piero Barboni, Nicole Balducci, Domenico Schiano-Lomoriello, Pietro Ducoli
[This corrects the article DOI: 10.1371/journal.pone.0172634.].
2017: PloS One
https://www.readbyqxmd.com/read/28328234/quantification-of-basal-insulin-peglispro-and-human-insulin-in-adipose-tissue-interstitial-fluid-by-open-flow-microperfusion
#11
Katrin Tiffner, Beate Boulgaropoulos, Christian Höfferer, Thomas Birngruber, Niels Porksen, Helle Linnebjerg, Parag Garhyan, Eric Chen Quin Lam, Mary Pat Knadler, Thomas R Pieber, Frank Sinner
BACKGROUND: Restoration of the physiologic hepatic-to-peripheral insulin gradient may be achieved by either portal vein administration or altering insulin structure to increase hepatic specificity or restrict peripheral access. Basal insulin peglispro (BIL) is a novel, PEGylated basal insulin with a flat pharmacokinetic and glucodynamic profile and altered hepatic-to-peripheral action gradient. We hypothesized reduced BIL exposure in peripheral tissues explains the latter, and in this study assessed the adipose tissue interstitial fluid (ISF) concentrations of BIL compared with human insulin (HI)...
March 22, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28298445/the-structure-and-function-of-mycobacterium-tuberculosis-mazf-mt6-provides-insights-into-conserved-features-of-mazf-endonucleases
#12
Eric D Hoffer, Stacey J Miles, Christine M Dunham
Toxin-antitoxin systems are ubiquitous in prokaryotic and archaea genomes and regulate growth in response to stress. E. coli contains at least 36 putative toxin-antitoxin gene pairs, and some pathogens such as Mycobacterium tuberculosis (Mtb) have over 90 toxin-antitoxin operons. E. coli MazF cleaves free mRNA after encountering stress and nine Mtb MazF family members cleave mRNA, tRNA, or rRNA. Moreover, Mtb MazF-mt6 cleaves 23S rRNA Helix 70 to inhibit protein synthesis. The overall tertiary folds of these MazFs are predicted to be similar, therefore it is unclear how they recognize structurally distinct RNAs...
March 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28291479/does-combat-hearing-preservation-equipment-affect-balance
#13
Art Ambrosio, Ali N Hoffer, Michael Hoffer
OBJECTIVES: (1) To investigate whether the occlusion effect and hearing attenuation produced by 3M Combat Arms Ear Plugs (CAEP) affects balance when compared to no hearing protection and (2) to investigate whether the occlusion effect and noise-canceling capabilities of the Nacre QuietPro system affects balance when compared to no hearing protection. METHODS: This prospective study collected pilot data for investigation of mechanisms of balance. 20 subjects with normal hearing and no vestibular dysfunction were tested with blackened goggles in three conditions-no hearing protection, CAEP, and with the Nacre QuietPro...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28287411/parenteral-nutrition-amino-acids
#14
REVIEW
Leonard John Hoffer
There is growing interest in nutrition therapies that deliver a generous amount of protein, but not a toxic amount of energy, to protein-catabolic critically ill patients. Parenteral amino acids can achieve this goal. This article summarizes the biochemical and nutritional principles that guide parenteral amino acid therapy, explains how parenteral amino acid solutions are formulated, and compares the advantages and disadvantages of different parenteral amino acid products with enterally-delivered whole protein products in the context of protein-catabolic critical illness...
March 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28273986/a-comparative-study-to-assess-the-predictability-of-different-iol-power-calculation-formulas-in-eyes-of-short-and-long-axial-length
#15
Dharmil Doshi, Purvi Limdi, Nilesh Parekh, Neepa Gohil
INTRODUCTION: Accurate Intraocular Lens (IOL) power calculation in cataract surgery is very important for providing postoperative precise vision. Selection of most appropriate formula is difficult in high myopic and hypermetropic patients. AIM: To investigate the predictability of different IOL (Intra Ocular Lens) power calculation formulae in eyes with short and long Axial Length (AL) and to find out most accurate IOL power calculation formula in both groups. MATERIALS AND METHODS: A prospective study was conducted on 80 consecutive patients who underwent phacoemulsification with monofocal IOL implantation after obtaining an informed and written consent...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28261902/estimates-of-live-birth-prevalence-of-children-with-down-syndrome-in-the-period-1991-2015-in-the-netherlands
#16
G de Graaf, J J M Engelen, A C J Gijsbers, R Hochstenbach, M J V Hoffer, A J A Kooper, B Sikkema-Raddatz, M I Srebniak, A M F van der Kevie-Kersemaekers, L J C M van Zutven, E Voorhoeve
BACKGROUND: In Western countries, increasing maternal age has led to more pregnancies with a child with Down syndrome (DS). However, prenatal screening programs, diagnostic testing and termination of pregnancy influence the actual DS live birth (LB) prevalence as well. The aim of this study is to examine these factors in the Netherlands for the period 1991-2015. In our study, we establish a baseline for DS LB prevalence before non-invasive prenatal testing will be made available to all pregnant women in the Netherlands in 2017...
March 5, 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/28231267/accuracy-of-optical-biometry-combined-with-placido-disc-corneal-topography-for-intraocular-lens-power-calculation
#17
Giacomo Savini, Kenneth J Hoffer, Piero Barboni, Nicole Balducci, Domenico Schiano-Lomoriello, Pietro Ducoli
PURPOSE: To investigate the accuracy of a new optical biometer for intraocular lens (IOL) power calculation in eyes undergoing cataract surgery. METHODS: Consecutive eyes of patients undergoing cataract surgery with the same IOL model were enrolled in a prospective cohort study. Axial length (AL) and corneal power were measured with an optical biometer based on optical low-coherence interferometry and Placido-disc corneal topography. IOL power was calculated with the Hoffer Q, Holladay 1 and SRK/T formulas...
2017: PloS One
https://www.readbyqxmd.com/read/28196657/dopamine-release-in-the-nucleus-accumbens-is-altered-following-traumatic-brain-injury
#18
Yuan-Hao Chen, Eagle Yi-Kung Huang, Tung-Tai Kuo, Barry J Hoffer, Jonathan Miller, Yu-Ching Chou, Yung-Hsiao Chiang
Mild-to-severe traumatic brain injury (TBI) is frequently associated with prolonged dysfunction of reward circuitry, including motivation and salience, which suggests alterations of dopamine (DA) processing within the core and shell of the nucleus accumbens (NAC). Using fast-scan cyclic voltammetry in a rodent model of traumatic brain injury, we found that stimulus-evoked DA release is distinct in the core and shell of the NAC, with the shell being less responsive to tonic stimulation and more sensitive to the number of pulses when phasic stimulation is applied...
February 11, 2017: Neuroscience
https://www.readbyqxmd.com/read/28192001/moderators-of-the-relationship-between-frequent-family-demands-and-inflammation-among-adolescents
#19
Cynthia S Levine, Lauren C Hoffer, Edith Chen
OBJECTIVE: Frequent demands from others in relationships are associated with worse physiological and health outcomes. The present research investigated 2 potential moderators of the relationship between frequency of demands from one's family and inflammatory profiles among adolescents: (a) closeness of adolescents' relationships with their families, and (b) the frequency with which adolescents provided help to their families. METHOD: Two hundred thirty-four adolescents, ages 13-16 (Mage = 14...
May 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28131727/long-term-protective-effects-of-aav9-mesencephalic-astrocyte-derived-neurotrophic-factor-gene-transfer-in-parkinsonian-rats
#20
Fei Hao, Chun Yang, Sha-Sha Chen, Yan-Yan Wang, Wei Zhou, Qiang Hao, Tao Lu, Barry Hoffer, Li-Ru Zhao, Wei-Ming Duan, Qun-Yuan Xu
Intrastriatal injection of mesencephalic astrocyte-derived neurotrophic factor (MANF) protein has been shown to provide neuroprotective and neurorestorative effects in a 6-hydroxydopamine (6-OHDA) - lesioned rat model of Parkinson's disease. Here, we used an adeno-associated virus serotype 9 (AAV9) vector to deliver the human MANF (hMANF) gene into the rat striatum 10days after a 6-OHDA lesion to examine long-term effects of hMANF on nigral dopaminergic neurons and mechanisms underlying MANF neuroprotection...
January 25, 2017: Experimental Neurology
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