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Xue-Yan Liu, Keisuke Koba, Lina A Koyama, Sarah E Hobbie, Marissa S Weiss, Yoshiyuki Inagaki, Gaius R Shaver, Anne E Giblin, Satoru Hobara, Knute J Nadelhoffer, Martin Sommerkorn, Edward B Rastetter, George W Kling, James A Laundre, Yuriko Yano, Akiko Makabe, Midori Yano, Cong-Qiang Liu
Plant nitrogen (N) use is a key component of the N cycle in terrestrial ecosystems. The supply of N to plants affects community species composition and ecosystem processes such as photosynthesis and carbon (C) accumulation. However, the availabilities and relative importance of different N forms to plants are not well understood. While nitrate (NO3 - ) is a major N form used by plants worldwide, it is discounted as a N source for Arctic tundra plants because of extremely low NO3 - concentrations in Arctic tundra soils, undetectable soil nitrification, and plant-tissue NO3 - that is typically below detection limits...
March 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
Ferrin C Wheeler, Annette S Kim, Claudio A Mosse, Aaron C Shaver, Ashwini Yenamandra, Adam C Seegmiller
Objectives: Acute myeloid leukemia (AML) is classified in part by recurrent cytogenetic abnormalities, often detected by both fluorescent in situ hybridization (FISH) and karyotype. The goal of this study was to assess the utility of FISH and karyotyping at diagnosis and follow-up. Methods: Adult AML samples at diagnosis or follow-up with karyotype and FISH were identified. Concordance was determined, and clinical characteristics and outcomes for discordant results were evaluated...
March 10, 2018: American Journal of Clinical Pathology
D M Jacobs, W-Y Leung, D Essi, W Park, A Shaver, J Claus, C Ruh, G G Rao
Outpatient parenteral antimicrobial therapy (OPAT) programmes facilitate hospital discharge, but patients remain at risk of complications and consequent healthcare utilisation (HCU). Here we elucidated the incidence of and risk factors associated with HCU in OPAT patients. This was a retrospective, single-centre, case-control study of adult patients discharged on OPAT. Cases (n = 63) and controls (n = 126) were patients that did or did not utilise the healthcare system within 60 days. Characteristics associated with HCU in bivariate analysis (P ≤ 0...
March 14, 2018: Epidemiology and Infection
Phillip R Shaver, Mario Mikulincer, Jude Cassidy
According to attachment theory, a sense of attachment security (confidence that others will be available and supportive when needed) facilitates the functioning of the caregiving behavioral system and the empathic provision of care to suffering others. In this article we review what has been learned during the last decade about attachment-related individual differences in caregiving within couple relationships and prosocial behavior in the wider world. We begin with a brief account of attachment theory and the dynamic interplay of the attachment and caregiving behavioral systems...
February 16, 2018: Current Opinion in Psychology
Daniel R Kunzler, Pejma Shazadeh Safavi, Brittney J Warren, Cory F Janney, Vinod Panchbhavi
Synovial chondromatosis of the ankle is rare and sparsely documented. Traditional surgical intervention is open loose body excision and synovectomy. Upon literature review, only two other cases were found to be managed arthroscopically. We report a case of synovial chondromatosis in a 54-year-old man leading to pain and limited range of motion of his ankle. This unique case of extensive nodule formation was treated via a three-port arthroscopic approach. Removal of loose bodies and synovectomy were successfully performed arthroscopically...
December 23, 2017: Curēus
M Bohnsack
OBJECTIVE: Complete arthroscopic decompression of the impinging subspinal soft tissues and resection of the hypertrophic bone formation between the anterior hip capsule and the anterior inferior iliac spine (AIIS) or decompression of a hypertrophic AIIS. INDICATIONS: Painful anterior hip impingement and decreased hip flexion following a hypertrophic osseous subspinal deformation. CONTRAINDICATIONS: No clinical symptoms or decreased anterior hip function despite radiological osseous subspinal hip impingement...
March 2, 2018: Operative Orthopädie und Traumatologie
Mario Mikulincer, Phillip R Shaver
According to attachment theory, individual differences in the availability and responsiveness of close relationship partners, beginning in infancy, and the resulting formation of fairly stable attachment orientations are crucial for understanding the ways people experience and regulate emotions. In this article, we review what has been learned during the last decade about attachment-related individual differences in emotion regulation. We begin with a brief account of the hypothesized links between different forms of attachment insecurity (anxiety, avoidance) and strategies people use in regulating distress and coping with threatening events...
February 14, 2018: Current Opinion in Psychology
Arianna Palmieri, Johann R Kleinbub, Vincenzo Calvo, Enrico Benelli, Irene Messina, Marco Sambin, Alberto Voci
Physiological synchronization (PS) is a phenomenon of simultaneous activity between two persons' physiological signals. It has been associated with empathy, shared affectivity, and efficacious therapeutic relationships. The aim of the present study was to explore the possible connections between PS and the attachment system, seeking preliminary evidence of this link by means of an experimental manipulation of the sense of attachment security in psychotherapists according to a protocol by Mikulincer and Shaver (2001), which has been proven to elicit empathetic behavior...
March 1, 2018: Journal of Counseling Psychology
Winsion Chow, Goran Jeremic, Leigh Sowerby
Rhinophyma is a disfiguring end-stage manifestation of acne rosacea. It is characterized by a painless hyperplasia of the sebaceous glands and connective tissues of the nose. Numerous surgical modalities-including scalpel surgery, dermabrasion, CO2 laser ablation, and electrocautery-have been reported with varying results. We describe our experience with using a microdebrider to treat 2 patients-a 65-year-old man and a 74-year-old man-who presented with rhinophyma. The instrument we used was the Medtronic Straightshot M4 Microdebrider...
January 2018: Ear, Nose, & Throat Journal
K M Frizzell, M J Jendral, I M Maclean, W T Dixon, C T Putman
1. Post-mortem decline in muscle pH ([H+ ]) is controlled by complex physicochemical relationships encapsulated in the Stewart Model of acid-base chemistry and is determined by three systems-independent variables - strong ion difference([SID]), total concentration of weak acids([Atot ]) and partial pressure of CO2 (PCO2 ). 2. This study investigated these systems-independent variables in post-mortem pectoralis major muscles of Shaver White (SH), Lohmann Lite (LL) and Lohmann Brown (LB) laying hens housed in conventional cages (CC) or furnished cages (FC), and evaluated the Model by comparing calculated [H+ ] with previously measured [H+ ] values (Frizzell et al...
February 26, 2018: British Poultry Science
Kellye K McGlumphy, Erika R Shaver, Tiwaloluwa A Ajibewa, Rebecca E Hasson
OBJECTIVES: The purpose of this study was to examine cross-sectional relationships of psychological stress, stress coping, and minutes of moderate-to-vigorous physical activity (MVPA) in Amer- ican-American (AA) boys and girls. METHODS: A community-based sample of 139 AA adolescents (mean age 14.7 years; SD = 1.8 years; 64.7% girls; 30% obese) from Washtenaw County, Michigan was included in this analysis. Psychological stress was assessed using the Daily Stress Inventory and the Perceived Stress Scale...
March 1, 2018: American Journal of Health Behavior
J Stricker-Shaver, A Novati, L Yu-Taeger, H P Nguyen
The monogenic nature of Huntington disease (HD) has led to the development of a spectrum of useful genetically modified models. In particular, rodents have pioneered as the first HD model being generated and have since been the most widely used animal model for HD in both basic research and preclinical therapeutic studies. Based on the generation strategies, these rodent models can be classified into 3 major groups, the transgenic fragment models, the transgenic full-length models and the knock-in models. These models display a range of HD-like characteristics which resemble the clinical symptoms of HD patients...
2018: Advances in Experimental Medicine and Biology
David Olek, Moataz N El-Ghamry, Niloyjyoti Deb, Nitika Thawani, Courtney Shaver, Subhakar Mutyala
PURPOSE: Nonmelanoma skin cancer is the most commonly diagnosed malignancy in the United States. A modern version of surface brachytherapy, "topographic applicator brachytherapy" (TAB), can be used to treat early-stage nonmelanoma skin cancer (ES-NMSC). The purpose of this study was to evaluate the acute toxicity, chronic toxicity, and recurrence rates of patients with ES-NMSC treated with TAB. METHODS AND MATERIALS: From 2010 to 2013, 172 patients with 273 ES-NMSC tumors were consecutively treated with TAB...
February 1, 2018: Brachytherapy
Jennifer Shelby Walker, Donna J Shaver, Brian A Stacy, Leanne J Flewelling, Margaret H Broadwater, Zhihong Wang
Five green (Chelonia mydas) and 11 Kemp's ridley (Lepidochelys kempii) sea turtles found dead, or that died soon after stranding, on the southern Texas (USA) coast during 2 Karenia brevis blooms (October 2015, September-October 2016) were tested for exposure to brevetoxins (PbTx). Tissues (liver, kidney) and digesta (stomach and intestinal contents) were analyzed by ELISA. Three green turtles found alive during the 2015 event and 2 Kemp's ridley turtles found alive during the 2016 event exhibited signs of PbTx exposure, including lethargy and/or convulsions of the head and neck...
January 31, 2018: Diseases of Aquatic Organisms
Trevor N Coyle, Jennifer A Shaver, Marsha M Linehan
OBJECTIVE: Although previous research has suggested that people with a history of using psychiatric crisis services are at higher risk for suicide, it is unclear whether this link is attributable to individual risk factors or iatrogenic effects of service utilization. We examined this question by analyzing data from a randomized controlled trial of dialectical behavior therapy (DBT), a treatment for highly suicidal individuals in which patients took advantage of crisis services less than those in the comparison condition...
February 2018: Journal of Consulting and Clinical Psychology
Ciara M Shaver, Nancy Wickersham, J Brennan McNeil, Hiromasa Nagata, Adam Miller, Stuart R Landstreet, Jamie L Kuck, Joshua M Diamond, David J Lederer, Steven M Kawut, Scott M Palmer, Keith M Wille, Ann Weinacker, Vibha N Lama, Maria M Crespo, Jonathan B Orens, Pali D Shah, Chadi A Hage, Edward Cantu, Mary K Porteous, Gundeep Dhillon, John McDyer, Julie A Bastarache, Jason D Christie, Lorraine B Ware
Primary graft dysfunction (PGD) is acute lung injury within 72 hours of lung transplantation. We hypothesized that cell-free hemoglobin (CFH) contributes to PGD by increasing lung microvascular permeability and tested this in patients, ex vivo human lungs, and cultured human lung microvascular endothelial cells. In a nested case control study of 40 patients with severe PGD at 72 hours and 80 matched controls without PGD, elevated preoperative CFH was independently associated with increased PGD risk (odds ratio [OR] 2...
January 25, 2018: JCI Insight
Erika R Shaver, Richard C Sadler, Alex B Hill, Kendall Bell, Myah Ray, Jennifer Choy-Shin, Joy Lerner, Teresa Soldner, Andrew D Jones
OBJECTIVE: The goal of the present study was to use a methodology that accurately and reliably describes the availability, price and quality of healthy foods at both the store and community levels using the Nutrition Environment Measures Survey in Stores (NEMS-S), to propose a spatial methodology for integrating these store and community data into measures for defining objective food access. SETTING: Two hundred and sixty-five retail food stores in and within 2 miles (3·2 km) of Flint, Michigan, USA, were mapped using ArcGIS mapping software...
January 24, 2018: Public Health Nutrition
Christine M Shaver, Carrie A Cusack
No abstract text is available yet for this article.
December 2017: Cutis; Cutaneous Medicine for the Practitioner
Nathan D Putz, Ciara M Shaver, Kobina Dufu, Chien-Ming Li, Qing Xu, Athiwat Hutchaleelaha, Josh Lehrer-Graiwer, Susan M Majka, Lorraine B Ware, Julie A Bastarache
BACKGROUND: Acute respiratory distress syndrome (ARDS) is characterized by lung inflammation and pulmonary edema leading to arterial hypoxemia and death if the hypoxemia is severe. Strategies to correct hypoxemia have the potential to improve clinical outcomes in ARDS. The goal of this study was to evaluate the potential of hemoglobin modification as a novel therapy for ARDS-induced hypoxemia. METHODS: The therapeutic effect of two different doses of GBT1118, a compound that increases the oxygen affinity of hemoglobin was evaluated in a murine model of acute lung injury induced by intra-tracheal LPS instillation 24 hours prior to exposure to 5% or 10% hypoxia...
December 14, 2017: Journal of Applied Physiology
Jessica A Stern, R Chris Fraley, Jason D Jones, Jacquelyn T Gross, Phillip R Shaver, Jude Cassidy
The first months after becoming a new parent are a unique and important period in human development. Despite substantial research on the many social and biological changes that occur during the first months of parenthood, little is known about changes in mothers' attachment. The present study examines developmental stability and change in first-time mothers' attachment style across the first 2 years of motherhood. At Time 1, 162 economically stressed primiparous mothers (Mage = 23.98 years, SD = 5.18) completed measures of attachment anxiety and avoidance at five time points: when their children were 0, 6, 12, 18, and 24 months of age...
January 22, 2018: Developmental Psychology
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