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Kristin scott

Stephanie Noble, Dustin Scheinost, Emily S Finn, Xilin Shen, Xenophon Papademetris, Sarah C McEwen, Carrie E Bearden, Jean Addington, Bradley Goodyear, Kristin S Cadenhead, Heline Mirzakhanian, Barbara A Cornblatt, Doreen M Olvet, Daniel H Mathalon, Thomas H McGlashan, Diana O Perkins, Aysenil Belger, Larry J Seidman, Heidi Thermenos, Ming T Tsuang, Theo G M van Erp, Elaine F Walker, Stephan Hamann, Scott W Woods, Tyrone D Cannon, R Todd Constable
Recent years have witnessed an increasing number of multisite MRI functional connectivity (fcMRI) studies. While multisite studies are an efficient way to speed up data collection and increase sample sizes, especially for rare clinical populations, any effects of site or MRI scanner could ultimately limit power and weaken results. Little data exists on the stability of functional connectivity measurements across sites and sessions. In this study, we assess the influence of site and session on resting state functional connectivity measurements in a healthy cohort of traveling subjects (8 subjects scanned twice at each of 8 sites) scanned as part of the North American Prodrome Longitudinal Study (NAPLS)...
October 13, 2016: NeuroImage
Kristen A Woodberry, Larry J Seidman, Caitlin Bryant, Jean Addington, Carrie E Bearden, Kristin S Cadenhead, Tyrone D Cannon, Barbara A Cornblatt, Thomas H McGlashan, Daniel H Mathalon, Diana O Perkins, Ming T Tsuang, Elaine F Walker, Scott W Woods
Early intervention for psychotic disorders, a growing international priority, typically targets help-seeking populations with emerging psychotic ("positive") symptoms. We assessed the nature of and degree to which treatment of individuals at high risk for psychosis preceded or followed the onset of positive symptoms. The North American Prodrome Longitudinal Study-2 collected psychosocial treatment histories for 745 (98%) of 764 high-risk participants (M age = 18.9, 57% male, 57.5% Caucasian, 19.1% Hispanic) recruited from 8 North American communities...
October 5, 2016: Journal of Clinical Child and Adolescent Psychology
Andrew James Paris, Yuhong Liu, Junjie Mei, Ning Dai, Lei Guo, Lynn Spruce, Kristin Hudock, Jacob Brenner, William Zacharias, Hankun Mei, April Slamowitz, Kartik Bhamidipati, Michael F Beers, Steven H Seeholzer, Edward E Morrisey, G Scott Worthen
Alveolar epithelial regeneration is essential for resolution of the acute respiratory distress syndrome (ARDS). Although neutrophils have traditionally been considered mediators of epithelial damage, recent studies suggest they promote type II pneumocyte (AT2) proliferation, which is essential for regenerating alveolar epithelium. These studies did not, however, evaluate this relationship in an in vivo model of alveolar epithelial repair following injury. To determine if neutrophils influence alveolar epithelial repair in vivo, we developed a unilateral acid injury model that creates a severe yet survivable injury with features similar to ARDS...
September 30, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
Lijiang Ma, Yavuz Bayram, Heather M McLaughlin, Megan T Cho, Alyson Krokosky, Clesson E Turner, Kristin Lindstrom, Caleb P Bupp, Katey Mayberry, Weiyi Mu, Joann Bodurtha, Veronique Weinstein, Neda Zadeh, Wendy Alcaraz, Zöe Powis, Yunru Shao, Daryl A Scott, Andrea M Lewis, Janson J White, Shalani N Jhangiani, Elif Yilmaz Gulec, Seema R Lalani, James R Lupski, Kyle Retterer, Rhonda E Schnur, Ingrid M Wentzensen, Sherri Bale, Wendy K Chung
Intellectual disabilities are genetically heterogeneous and can be associated with congenital anomalies. Using whole-exome sequencing (WES), we identified five different de novo missense variants in the protein phosphatase-1 catalytic subunit beta (PPP1CB) gene in eight unrelated individuals who share an overlapping phenotype of dysmorphic features, macrocephaly, developmental delay or intellectual disability (ID), congenital heart disease, short stature, and skeletal and connective tissue abnormalities. Protein phosphatase-1 (PP1) is a serine/threonine-specific protein phosphatase involved in the dephosphorylation of a variety of proteins...
December 2016: Human Genetics
Tamsin Dockree, Christopher J Holland, Mathew Clement, Kristin Ladell, James E McLaren, Hugo A van den Berg, Emma Gostick, Sian Llewellyn-Lacey, Stephen Man, Mick Bailey, Scott R Burrows, David A Price, Linda Wooldridge
The CD8 coreceptor engages peptide-major histocompatibility complex class I (pMHCI) molecules at a largely invariant site distinct from the T-cell receptor (TCR) binding platform and enhances the sensitivity of antigen-driven activation to promote effective CD8(+) T-cell immunity. A small increase in the strength of the pMHCI/CD8 interaction (~1.5-fold) can disproportionately amplify this effect, boosting antigen sensitivity by up to two orders of magnitude. However, recognition specificity is lost altogether with more substantial increases in pMHCI/CD8 affinity (~10-fold)...
September 27, 2016: Immunology and Cell Biology
Kristine M Mayle, Kathryn R Dern, Vincent K Wong, Kevin Y Chen, Shijun Sung, Ke Ding, April R Rodriguez, Scott Knowles, Zachary Taylor, Z Hong Zhou, Warren S Grundfest, Anna M Wu, Timothy J Deming, Daniel T Kamei
Currently, there is no curative treatment for advanced metastatic prostate cancer, and options, such as chemotherapy, are often nonspecific, harming healthy cells and resulting in severe side effects. Attaching targeting ligands to agents used in anticancer therapies has been shown to improve efficacy and reduce nonspecific toxicity. Furthermore, the use of triggered therapies can enable spatial and temporal control over the treatment. Here, we combined an engineered prostate cancer-specific targeting ligand, the A11 minibody, with a novel photothermal therapy agent, polypeptide-based gold nanoshells, which generate heat in response to near-infrared light...
September 22, 2016: Journal of Laboratory Automation
Santosh Kumar, Chase Kempinski, Xun Zhuang, Ayla Norris, Sibongile Mafu, Jiachen Zi, Stephen A Bell, S Eric Nybo, Scott E Kinison, Zuodong Jiang, Sheba Goklany, Kristin B Linscott, Xinlu Chen, Qidong Jia, Shoshana D Brown, John L Bowman, Patricia C Babbitt, Reuben J Peters, Feng Chen, Joe Chappell
Marchantia polymorpha is a basal terrestrial land plant, which like most liverworts accumulates structurally diverse terpenes believed to serve in deterring disease and herbivory. Previous studies have suggested that the mevalonate and methylerythritol phosphate pathways, present in evolutionarily diverged plants, are also operative in liverworts. However, the genes and enzymes responsible for the chemical diversity of terpenes have yet to be described. In the current study, we resorted to a HMMER search tool to identify 17 putative terpene synthase genes from M...
September 20, 2016: Plant Cell
Yoshiaki Itoigawa, Alexander W Hooke, John W Sperling, Scott P Steinmann, Kristin D Zhao, Nobuyuki Yamamoto, Eiji Itoi, Kai-Nan An
BACKGROUND: It is not clear whether the anterior capsule should be repaired to the coracoid process or to the native glenoid during the modified Latarjet procedure. We investigated joint stability and range of motion of the shoulder after the modified Latarjet procedure with both of these methods of capsular repair. METHODS: Eighteen fresh-frozen cadaveric shoulders were used. After a Bankart lesion and 6-mm glenoid defect were created, the coracoid process was transferred to the glenoid and fixed with screws...
September 7, 2016: Journal of Bone and Joint Surgery. American Volume
Dylan Craven, Madhav P Thakur, Erin K Cameron, Lee E Frelich, Robin Beauséjour, Robert B Blair, Bernd Blossey, James Burtis, Amy Choi, Andrea Dávalos, Timothy J Fahey, Nicholas A Fisichelli, Kevin Gibson, I Tanya Handa, Kristine Hopfensperger, Scott R Loss, Victoria Nuzzo, John C Maerz, Tara Sackett, Bryant C Scharenbroch, Sandy M Smith, Mark Vellend, Lauren G Umek, Nico Eisenhauer
Globally, biological invasions can have strong impacts on biodiversity as well as ecosystem functioning. While less conspicuous than introduced aboveground organisms, introduced belowground organisms may have similarly strong effects. Here, we synthesize for the first time the impacts of introduced earthworms on plant diversity and community composition in North American forests. We conducted a meta-analysis using a total of 645 observations to quantify mean effect sizes of associations between introduced earthworm communities and plant diversity, cover of plant functional groups, and cover of native and non-native plants...
September 3, 2016: Global Change Biology
Kristin A Rand, Chi Song, Eric Dean, Daniel J Serie, Karen Curtin, Xin Sheng, Donglei Hu, Carol Ann Huff, Leon Bernal-Mizrachi, Michael H Tomasson, Sikander Ailwadhi, Seema Singhal, Karen S Pawlish, Edward S Peters, Cathryn H BLock, Alexander Stram, David J Van Den Berg, Christopher K Edlund, David V Conti, Todd M Zimmerman, Amie E Hwang, Scott Huntsman, John J Graff, Ajay Nooka, Yinfei Kong, Silvana L Pregja, Sonja I Berndt, William J Blot, John D Carpten, Graham Casey, Lisa W Chu, W Ryan Diver, Victoria L Stevens, MIchael R Lieber, Phyllis J Goodman, Anselm J M Hennis, Ann W Hsing, Jayesh Mehta, Rick A Kittles, Suzanne Kolb, Eric A Klein, Cristina M Leske, Adam B Murphy, Barbara Nemesure, Christine Neslund-Dudas, Sara S Strom, Ravi Vij, Benjamin A Rybicki, Janet L Stanford, Lisa Signorello, John S Witte, Christine B Ambrosone, Parveen Bhatti, Esther M John, Leslie Bernstein, Wei Zheng, Andrew F Olshan, Jennifer J Hu, Regina G Ziegler, Sarah J Nyante, Elisa V Bandera, Brenda M Birmann, Sue Ann Ingles, Michael F Press, Djordje Atanackovic, Martha Glenn, Lisa Cannon-Albright, Brandt Jones, Guido Tricot, Thomas G Martin, Shaji K Kumar, Jeffrey L Wolf, Sandra L Deming, Nathaniel Rothman, Angela Brooks-Wilson, S Vincent Rajkumar, Laurence N Kolonel, Stephen J Chanock, Susan L Slager, Richard K Severson, Nalini Janakirman, Howard J Terebelo, Elizabeth E Brown, Anneclaire J De Roos, Ann Mohrbacher, Graham A Colditz, Graham G Giles, John J Spinelli, Brian C Chiu, Nikhil C Munshi, Kenneth C Anderson, Joan Levy, Jeffrey A Zonder, Robert Z Orlowski, Sagar Lonial, Nicola J Camp, Celine M Vachon, Elad Ziv, Daniel O Stram, Dennis J Hazelett, Wendy Cozen
BACKGROUND: Genome-wide association studies (GWAS) in European populations have identified genetic risk variants associated with multiple myeloma (MM). METHODS: We performed association testing of common variation in eight regions in 1,264 MM patients and 1,479 controls of European ancestry (EA) and 1,305 MM patients and 7,078 controls of African ancestry (AA) and conducted a meta-analysis to localize the signals, with epigenetic annotation used to predict functionality...
September 1, 2016: Cancer Epidemiology, Biomarkers & Prevention
Kristine Cox, Benjamin Combs, Brenda Abdelmesih, Gerardo Morfini, Scott T Brady, Nicholas M Kanaan
Misfolded tau proteins are characteristic of tauopathies, but the isoform composition of tau inclusions varies by tauopathy. Using aggregates of the longest tau isoform (containing 4 microtubule-binding repeats and 4-repeat tau), we recently described a direct mechanism of toxicity that involves exposure of the N-terminal phosphatase-activating domain (PAD) in tau, which triggers a signaling pathway that disrupts axonal transport. However, the impact of aggregation on PAD exposure for other tau isoforms was unexplored...
July 29, 2016: Neurobiology of Aging
Chen Li, Noel W Solomons, Marilyn E Scott, Kristine G Koski
BACKGROUND: Breast milk is the recommended source of nutrients for infant growth, but its adequacy to meet infants' mineral and trace element needs is unknown. OBJECTIVES: We used breast-milk mineral and trace element concentrations of Guatemalan mothers at 3 lactation stages to estimate total daily intakes and to determine whether intakes were associated with early infant growth. METHODS: In this cross-sectional study, breast-milk samples were collected from Mam-Mayan mothers during transitional (5-17 d, n = 56), early (18-46 d, n = 75), and established (4-6 mo, n = 103) lactation; z scores for weight (WAZ), length (LAZ), and head circumference (HCAZ) were measured...
October 2016: Journal of Nutrition
Kristin A Robinson, J Scott Kriegshauser, Nirvikar Dahiya, Scott W Young, Christopher D Czaplicki, Maitray D Patel
PURPOSE: Renal artery anastomosis peak systolic velocity (RAA PSV) exceeding 250 cm/s and a ratio of the renal artery to the adjacent external iliac artery (RAA:EIA) exceeding 1.8 historically suggest significant transplant renal artery stenosis (TRAS). However, the range of RAA PSV in transplants without TRAS has not been established. METHODS: A retrospective review of renal transplants at a single institution over 5 years was performed identifying patients without graft dysfunction, failure, or refractory hypertension...
August 18, 2016: Abdominal Radiology
Roxann S Brooks, Myra T Blanchard, Kristin A Clothier, Scott Fish, Mark L Anderson, Jeffery L Stott
Epizootic bovine abortion (EBA), first identified in the 1950s, is a major contributor of economic loss to western U.S. beef producers. The causative agent proved elusive for over fifty years until a novel Deltaproteobacteria was identified as the etiologic agent in 2005. The microbe, which has yet to be successfully cultured in vitro, has proven difficult to purify from necropsy tissues. Thus, phylogenetic characterization has been limited to analysis of the 16S ribosomal RNA (rRNA) gene (AF503916), which placed this bacterium in the order Myxococcales, suborder Sorangiineae, family Polyangiaceae and most closely related to Sorangium cellulosum...
August 30, 2016: Veterinary Microbiology
Louise M Downs, Erin M Scott, Artur V Cideciyan, Simone Iwabe, Valerie Dufour, Kristin L Gardiner, Sem Genini, Luis Felipe Marinho, Alexander Sumaroka, Mychajlo S Kosyk, Malgorzata Swider, Geoffrey K Aguirre, Samuel G Jacobson, William A Beltran, Gustavo D Aguirre
Ciliary defects can result in severe disorders called ciliopathies. Mutations in NPHP5 cause a ciliopathy characterized by severe childhood onset retinal blindness, Leber congenital amaurosis (LCA), and renal disease. Using the canine NPHP5-LCA model we compared human and canine retinal phenotypes, and examined the early stages of photoreceptor development and degeneration, the kinetics of photoreceptor loss, the progression of degeneration, and the expression profiles of selected genes. NPHP5-mutant dogs recapitulate the human phenotype of very early loss of rods, and relative retention of the central retinal cone photoreceptors that lack function...
August 9, 2016: Human Molecular Genetics
Nicholas Jourjine, Brendan C Mullaney, Kevin Mann, Kristin Scott
Hunger and thirst are ancient homeostatic drives for food and water consumption. Although molecular and neural mechanisms underlying these drives are currently being uncovered, less is known about how hunger and thirst interact. Here, we use molecular genetic, behavioral, and anatomical studies in Drosophila to identify four neurons that modulate food and water consumption. Activation of these neurons promotes sugar consumption and restricts water consumption, whereas inactivation promotes water consumption and restricts sugar consumption...
August 11, 2016: Cell
Jason T Newsom, Benjamin A Shaw, Kristin J August, Scott J Strath
A survey of 217 older adults assessed physical activity-related positive and negative social control and emotional and informational support, using structural equation modeling to investigate mediational effects of emotional responses and behavioral intentions on physical activity. There were significant indirect effects of social control and social support on intentions as mediated by positive, but not negative, emotional responses, and significant indirect effects of emotional responses on physical activity as mediated by intentions...
July 28, 2016: Journal of Health Psychology
Nadine A Kasparian, Shab Mireskandari, Phyllis N Butow, Mbathio Dieng, Anne E Cust, Bettina Meiser, Kristine Barlow-Stewart, Scott Menzies, Graham J Mann
PURPOSE: People with melanoma often report pervasive fears about cancer recurrence, unmet information needs, and difficulties accessing psychological care. Interventions addressing the supportive care needs of people with melanoma are rare, and needs are often overlooked. The study evaluated a newly developed, evidence-based, psycho-educational resource for people with melanoma. METHODS: The evaluation study comprised three groups: adults at high risk of new primary disease due to multiple previous melanomas or one melanoma and dysplastic nevus syndrome (DNS), adults at moderate risk due to one previous melanoma and no DNS, and health professionals involved in melanoma care...
July 27, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Lee A Denson, Scott A McDonald, Abhik Das, Diana E Schendel, Kristin Skogstrand, David M Hougaard, Seetha Shankaran, Rosemary D Higgins, Waldemar A Carlo, Richard A Ehrenkranz
Objective To determine whether reduced growth velocity (GV) in extremely low birth weight infants is preceded by elevated inflammatory cytokines. Study Design GV was determined at 36 weeks' postmenstrual age (PMA) in 768 infants 401 to 1,000 g birth weight (BW). Association between blood cytokines measured through day of life 21 and GV was explored using linear regression models that adjusted for late-onset sepsis (LOS), BW, small for gestational age (SGA), gender, race, energy intake, and center. Results Serum interleukin-6 (IL-6) was increased at days 14 and 21 in LOS infants...
July 25, 2016: American Journal of Perinatology
Johanna T Dwyer, Kristin H Rubin, Kevin L Fritsche, Tricia L Psota, DeAnn J Liska, William S Harris, Scott J Montain, Barbara J Lyle
Strategic translational research is designed to address research gaps that answer specific guidance questions. It provides translational value with respect to nutrition guidance and regulatory and public policy. The relevance and the quality of evidence both matter in translational research. For example, design decisions regarding population, intervention, comparator, and outcome criteria affect whether or not high-quality studies are considered relevant to specific guidance questions and are therefore included as evidence within the context of systematic review frameworks used by authoritative food and health organizations...
July 2016: Advances in Nutrition
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