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https://www.readbyqxmd.com/read/29329284/identification-of-an-elaborate-nk-specific-system-regulating-hla-c-expression
#1
Hongchuan Li, Martin A Ivarsson, Victoria E Walker-Sperling, Jeff Subleski, Jenna K Johnson, Paul W Wright, Mary Carrington, Niklas K Björkström, Daniel W McVicar, Stephen K Anderson
The HLA-C gene appears to have evolved in higher primates to serve as a dominant source of ligands for the KIR2D family of inhibitory MHC class I receptors. The expression of NK cell-intrinsic MHC class I has been shown to regulate the murine Ly49 family of MHC class I receptors due to the interaction of these receptors with NK cell MHC in cis. However, cis interactions have not been demonstrated for the human KIR and HLA proteins. We report the discovery of an elaborate NK cell-specific system regulating HLA-C expression, indicating an important role for HLA-C in the development and function of NK cells...
January 12, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29326102/collectively-improving-our-teaching-attempting-biology-department-wide-professional-development-in-scientific-teaching
#2
Melinda T Owens, Gloriana Trujillo, Shannon B Seidel, Colin D Harrison, Katherine M Farrar, Hilary P Benton, J R Blair, Katharyn E Boyer, Jennifer L Breckler, Laura W Burrus, Dana T Byrd, Natalia Caporale, Edward J Carpenter, Yee-Hung M Chan, Joseph C Chen, Lily Chen, Linda H Chen, Diana S Chu, William P Cochlan, Robyn J Crook, Karen D Crow, José R de la Torre, Wilfred F Denetclaw, Lynne M Dowdy, Darleen Franklin, Megumi Fuse, Michael A Goldman, Brinda Govindan, Michael Green, Holly E Harris, Zheng-Hui He, Stephen B Ingalls, Peter Ingmire, Amber R B Johnson, Jonathan D Knight, Gretchen LeBuhn, Terrye L Light, Candace Low, Lance Lund, Leticia M Márquez-Magaña, Vanessa C Miller-Sims, Christopher A Moffatt, Heather Murdock, Gloria L Nusse, V Thomas Parker, Sally G Pasion, Robert Patterson, Pleuni S Pennings, Julio C Ramirez, Robert M Ramirez, Blake Riggs, Rori V Rohlfs, Joseph M Romeo, Barry S Rothman, Scott W Roy, Tatiane Russo-Tait, Ravinder N M Sehgal, Kevin A Simonin, Greg S Spicer, Jonathon H Stillman, Andrea Swei, Leslie C Tempe, Vance T Vredenburg, Steven L Weinstein, Andrew G Zink, Loretta A Kelley, Carmen R Domingo, Kimberly D Tanner
Many efforts to improve science teaching in higher education focus on a few faculty members at an institution at a time, with limited published evidence on attempts to engage faculty across entire departments. We created a long-term, department-wide collaborative professional development program, Biology Faculty Explorations in Scientific Teaching (Biology FEST). Across 3 years of Biology FEST, 89% of the department's faculty completed a weeklong scientific teaching institute, and 83% of eligible instructors participated in additional semester-long follow-up programs...
2018: CBE Life Sciences Education
https://www.readbyqxmd.com/read/29324595/association-of-pharmacologic-treatment-of-urgency-urinary-incontinence-with-sleep-quality-and-daytime-sleepiness
#3
Qurratul A Warsi, Alison J Huang, Rachel Hess, Lily A Arya, Holly E Richter, Catherine S Bradley, Rebecca G Rogers, Deborah L Myers, Karen C Johnson, William D Winkelman, W Thomas Gregory, Stephen R Kraus, Michael Schembri, Jeanette S Brown, Katie L Stone, Leslee L Subak
OBJECTIVE: To evaluate the association between pharmacologic therapy for urgency urinary incontinence (UUI) and sleep quality. METHODS: We conducted a planned secondary data analysis of sleep outcomes in a previously conducted multicenter, double-blind, 12-week randomized trial of pharmacologic therapy for urgency-predominant incontinence among community-dwelling women self-diagnosed using the 3-Incontinence Questions questionnaire. Participants (N=645) were assigned randomly to 4-8 mg antimuscarinic therapy daily or placebo...
January 9, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29310782/the-biochemistry-and-immunohistochemistry-of-versican
#4
Stephen P Evanko, Christina K Chan, Pamela Y Johnson, Charles W Frevert, Thomas N Wight
Versican is a chondroitin sulfate proteoglycan found in the extracellular matrix that is important for changes in cell phenotype associated with development and disease. Versican has been shown to be involved in cardiovascular disorders, as well as lung disease and fibrosis, inflammatory bowel disease, cancer, and several other diseases that have an inflammatory component. Versican was first identified as a fibroblast proteoglycan and forms large multimolecular complexes with hyaluronan and other components of the provisional matrix during wound healing and inflammation...
2018: Methods in Cell Biology
https://www.readbyqxmd.com/read/29300259/sleep-quality-and-daytime-sleepiness-among-women-with-urgency-predominant-urinary-incontinence
#5
William D Winkelman, Ann Warsi, Alison J Huang, Michael Schembri, Rebecca G Rogers, Holly E Richter, Deborah L Myers, Stephen R Kraus, Karen C Johnson, Rachel Hess, Thomas Gregory, Catherine S Bradley, Lily A Arya, Jeanette S Brown, Katie L Stone, Leslee L Subak
OBJECTIVE: The objective of this study was to examine the strength and direction of the association between urinary symptoms and both poor quality sleep and daytime sleepiness among women with urgency urinary incontinence. METHODS: A planned secondary analysis of baseline characteristics of participants in a multicenter, double-blinded, 12-week randomized controlled trial of pharmacologic therapy for urgency-predominant urinary incontinence in ambulatory women self-diagnosed by the 3 Incontinence Questions was performed...
January 3, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29298859/fast-acquisition-cone-beam-computed-tomography-initial-experience-with-a-10-s-protocol
#6
Visish M Srinivasan, Gouthami Chintalapani, Kevin Matthew Camstra, Sabih T Effendi, Jacob Cherian, Jeremiah N Johnson, Stephen R Chen, Peter Kan
BACKGROUND: Cone-beam computed tomography (CBCT) facilitates the acquisition of cross-sectional imaging in angiography suites using a rotational C-arm and digital flat panel detectors. The applications are numerous, including evaluation of implanted devices and localization of cerebrovascular lesions. We present and validate the clinical utility of an alternative fast CBCT acquisition protocol in the context of neurovascular device imaging. METHODS: Contrast-enhanced (CE)-CBCT images were acquired using a new 10 s protocol in a phantom head model, swine model, and in patients...
January 3, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29295643/the-genomic-landscape-of-two-burkitt-lymphoma-cases-and-derived-cell-lines-comparison-between-primary-and-relapse-samples
#7
Claudia M Wever, Dominique Geoffrion, Bruno M Grande, Stephen Yu, Miguel Alcaide, Maryse Lemaire, Yasser Riazalhosseini, Josée Hébert, Christina Gavino, Donald C Vinh, Tina Petrogiannis-Haliotis, Svetlana Dmitrienko, Koren K Mann, Ryan D Morin, Nathalie A Johnson
Relapse occurs in 10-40% of Burkitt lymphoma (BL) patients that have completed intensive chemotherapy regimens and is typically fatal. While treatment-naive BL has been characterized, the genomic landscape of BL at the time of relapse (rBL) has never been reported. Here, we present a genomic characterization of two rBL patients. The diagnostic samples had mutations common in BL, including MYC and CCND3. Additional mutations were detected at relapse, affecting important pathways such as NFκB (IKBKB) and MEK/ERK (NRAS) signaling, glutamine metabolism (SIRT4), and RNA processing (ZFP36L2)...
January 3, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29289984/prevalence-of-mental-disorders-among-children-and-adolescents-of-parents-with-self-reported-mental-health-problems
#8
Sarah E Johnson, David Lawrence, Francisco Perales, Janeen Baxter, Stephen R Zubrick
This paper provides Australian population-level estimates of the prevalence of parental self-reported lifetime mental disorders and past 12 month mental disorders in their children. It leverages unique data from the 2013-2014 Australian Child and Adolescent Survey of Mental Health and Wellbeing (Young Minds Matter) (n = 6310). Mental disorders were assessed in 4-17 year-olds using the Diagnostic Interview Schedule for Children Version IV. Primary carer (PC) and secondary carer mental health was based on PC-reported lifetime diagnoses...
December 30, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/29289475/center-effects-and-peritoneal-dialysis-peritonitis-outcomes-analysis-of-a-national-registry
#9
Htay Htay, Yeoungjee Cho, Elaine M Pascoe, Darsy Darssan, Annie-Claire Nadeau-Fredette, Carmel Hawley, Philip A Clayton, Monique Borlace, Sunil V Badve, Kamal Sud, Neil Boudville, Stephen P McDonald, David W Johnson
BACKGROUND: Peritonitis is a common cause of technique failure in peritoneal dialysis (PD). Dialysis center-level characteristics may influence PD peritonitis outcomes independent of patient-level characteristics. STUDY DESIGN: Retrospective cohort study. SETTING & PARTICIPANTS: Using Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) data, all incident Australian PD patients who had peritonitis from 2004 through 2014 were included...
December 28, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29288159/sphingolipid-metabolic-pathway-impacts-thiazide-diuretics-blood-pressure-response-insights-from-genomics-metabolomics-and-lipidomics
#10
Mohamed H Shahin, Yan Gong, Reginald F Frye, Daniel M Rotroff, Amber L Beitelshees, Rebecca A Baillie, Arlene B Chapman, John G Gums, Stephen T Turner, Eric Boerwinkle, Alison Motsinger-Reif, Oliver Fiehn, Rhonda M Cooper-DeHoff, Xianlin Han, Rima Kaddurah-Daouk, Julie A Johnson
BACKGROUND: Although hydrochlorothiazide (HCTZ) is a well-established first-line antihypertensive in the United States, <50% of HCTZ treated patients achieve blood pressure (BP) control. Thus, identifying biomarkers that could predict the BP response to HCTZ is critically important. In this study, we utilized metabolomics, genomics, and lipidomics to identify novel pathways and biomarkers associated with HCTZ BP response. METHODS AND RESULTS: First, we conducted a pathway analysis for 13 metabolites we recently identified to be significantly associated with HCTZ BP response...
December 29, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29287072/a-highly-stable-blood-meal-alternative-for-rearing-aedes-and-anopheles-mosquitoes
#11
Ted Baughman, Chelsea Peterson, Corrie Ortega, Sarah R Preston, Christopher Paton, Jessica Williams, Amy Guy, Gavin Omodei, Brian Johnson, Helen Williams, Scott L O'Neill, Scott A Ritchie, Stephen L Dobson, Damian Madan
We investigated alternatives to whole blood for blood feeding of mosquitoes with a focus on improved stability and compatibility with mass rearing programs. In contrast to whole blood, an artificial blood diet of ATP-supplemented plasma was effective in maintaining mosquito populations and was compatible with storage for extended periods refrigerated, frozen, and as a lyophilized powder. The plasma ATP diet supported rearing of both Anopheles and Aedes mosquitoes. It was also effective in rearing Wolbachia-infected Aedes mosquitoes, suggesting compatibility with vector control efforts...
December 29, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29284659/a-targeted-rnai-screen-identifies-endocytic-trafficking-factors-that-control-glp-1-receptor-signaling-in-pancreatic-beta-cells
#12
Teresa Buenaventura, Nisha Kanda, Phoebe C Douzenis, Ben Jones, Stephen R Bloom, Pauline Chabosseau, Ivan R Corrêa, Domenico Bosco, Lorenzo Piemonti, Piero Marchetti, Paul R Johnson, Am James Shapiro, Guy A Rutter, Alejandra Tomas
The GLP-1 receptor (GLP-1R) is a key target for type 2 diabetes (T2D) treatment. Since endocytic trafficking of agonist-bound receptors is one of the most important routes for regulation of receptor signaling, a better understanding of this process may facilitate the development of new T2D therapeutic strategies. Here, we have screened 29 proteins with known functions in G protein-coupled receptor trafficking for their role in GLP-1R potentiation of insulin secretion in pancreatic beta cells. We identify five (clathrin, dynamin1, AP2, SNX27 and SNX1) that increase and four (HIP1, HIP14, GASP-1 and Nedd4) that decrease insulin secretion from murine insulinoma MIN6B1 cells in response to the GLP-1 analogue exendin-4...
December 28, 2017: Diabetes
https://www.readbyqxmd.com/read/29251107/multicenter-assessment-of-animal-free-collagenase-af-1-for-human-islet-isolation
#13
Daniel Brandhorst, Géraldine Parnaud, Andrew Friberg, Vanessa Lavallard, Sandrine Demuylder-Mischler, Stephen Hughes, Julia Saphörster, Manfred Kurfürst, Olle Korsgren, Thierry Berney, Paul R V Johnson
Animal-free (AF) SERVA Collagenase AF-1 and Neutral Protease (NP) AF GMP Grade have recently become available for human islet isolation. This report describes the initial experiences of 3 different islet transplant centers. Thirty-four human pancreases were digested using 1 vial of the 6 different lots of Collagenase AF-1 (2,000-2,583 PZ-U/vial) supplemented with 4 different lots of NP AF in a range of 50 to 160 DMC-U per pancreas. Isolation, culture, and quality assessment were performed using standard techniques as previously described...
October 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29248197/significance-of-venous-thromboembolism-in-women-with-uterine-carcinosarcoma
#14
Koji Matsuo, Malcolm S Ross, Dwight D Im, Merieme M Klobocista, Stephen H Bush, Marian S Johnson, Tadao Takano, Erin A Blake, Yuji Ikeda, Masato Nishimura, Yutaka Ueda, Masako Shida, Kosei Hasegawa, Tsukasa Baba, Sosuke Adachi, Takuhei Yokoyama, Shinya Satoh, Hiroko Machida, Shiori Yanai, Keita Iwasaki, Takahito M Miyake, Satoshi Takeuchi, Munetaka Takekuma, Tadayoshi Nagano, Mayu Yunokawa, Tanja Pejovic, Kohei Omatsu, Mian M K Shahzad, Joseph L Kelley, Frederick R Ueland, Lynda D Roman
OBJECTIVE: To identify risk factors for venous thromboembolism (VTE) and to examine the association of VTE and survival in women with uterine carcinosarcoma. METHODS: This multicenter retrospective study examined 906 women who underwent primary surgical treatment for stage I-IV uterine carcinosarcoma. Time-dependent analyses were performed for cumulative incidence of VTE after surgery on multivariate models. RESULTS: There were 72 (7.9%) women who developed VTE after surgery with 1-, 2-, and 5-year cumulative incidences being 5...
December 13, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29246857/new-cav2-calcium-channel-gating-modifiers-with-agonist-activity-and-therapeutic-potential-to-treat-neuromuscular-disease
#15
Man Wu, Hayley V White, Blake Boehm, Christopher J Meriney, Kaylan Kerrigan, Michael Frasso, Mary Liang, Erika M Gotway, Madeleine Wilcox, Jon W Johnson, Peter Wipf, Stephen D Meriney
Voltage-gated calcium channels (VGCCs) are critical regulators of many cellular functions, including the activity-dependent release of chemical neurotransmitter from nerve terminals. At nerve terminals, the Cav2 family of VGCCs are closely positioned with neurotransmitter-containing synaptic vesicles. The relationship between calcium ions and transmitter release is such that even subtle changes in calcium flux through VGCCs have a strong influence on the magnitude of transmitter released. Therefore, modulators of the calcium influx at nerve terminals have the potential to strongly affect transmitter release at synapses...
December 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29246110/dna-and-rna-sequence-based-gwas-highlights-membrane-transport-genes-as-key-modulators-of-milk-lactose-content
#16
Thomas J Lopdell, Kathryn Tiplady, Maksim Struchalin, Thomas J J Johnson, Michael Keehan, Ric Sherlock, Christine Couldrey, Stephen R Davis, Russell G Snell, Richard J Spelman, Mathew D Littlejohn
BACKGROUND: Lactose provides an easily-digested energy source for neonates, and is the primary carbohydrate in milk in most species. Bovine lactose is also a key component of many human food products. However, compared to analyses of other milk components, the genetic control of lactose has been little studied. Here we present the first GWAS focussed on analysis of milk lactose traits. RESULTS: Using a discovery population of 12,000 taurine dairy cattle, we detail 27 QTL for lactose concentration and yield, and subsequently validate the effects of 26 of these loci in a distinct population of 18,000 cows...
December 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29245897/comparative-analysis-of-primary-versus-relapse-refractory-dlbcl-identifies-shifts-in-mutation-spectrum
#17
Danielle M Greenawalt, Winnie S Liang, Sakina Saif, Justin Johnson, Petar Todorov, Austin Dulak, Daniel Enriquez, Rebecca Halperin, Ambar Ahmed, Vladislav Saveliev, John Carpten, David Craig, J Carl Barrett, Brian Dougherty, Michael Zinda, Stephen Fawell, Jonathan R Dry, Kate Byth
Current understanding of the mutation spectrum of relapsed/refractory (RR) tumors is limited. We performed whole exome sequencing (WES) on 47 diffuse large B cell lymphoma (DLBCL) tumors that persisted after R-CHOP treatment, 8 matched to primary biopsies. We compared genomic alterations from the RR cohort against two treatment-naïve DLBCL cohorts (n=112). While the overall number and types of mutations did not differ significantly, we identified frequency changes in DLBCL driver genes. The overall frequency of MYD88 mutant samples increased (12% to 19%), but we noted a decrease in p...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29244532/risk-factors-and-predictors-of-significant-chondral-surface-change-from-primary-to-revision-anterior-cruciate-ligament-reconstruction-a-moon-and-mars-cohort-study
#18
Robert A Magnussen, James R Borchers, Angela D Pedroza, Laura J Huston, Amanda K Haas, Kurt P Spindler, Rick W Wright, Christopher C Kaeding, Christina R Allen, Allen F Anderson, Daniel E Cooper, Thomas M DeBerardino, Warren R Dunn, Brett A Lantz, Barton Mann, Michael J Stuart, John P Albright, Annunziato Amendola, Jack T Andrish, Christopher C Annunziata, Robert A Arciero, Bernard R Bach, Champ L Baker, Arthur R Bartolozzi, Keith M Baumgarten, Jeffery R Bechler, Jeffrey H Berg, Geoffrey A Bernas, Stephen F Brockmeier, Robert H Brophy, Charles A Bush-Joseph, J Brad Butler, John D Campbell, James L Carey, James E Carpenter, Brian J Cole, Jonathan M Cooper, Charles L Cox, R Alexander Creighton, Diane L Dahm, Tal S David, David C Flanigan, Robert W Frederick, Theodore J Ganley, Elizabeth A Garofoli, Charles J Gatt, Steven R Gecha, James Robert Giffin, Sharon L Hame, Jo A Hannafin, Christopher D Harner, Norman Lindsay Harris, Keith S Hechtman, Elliott B Hershman, Rudolf G Hoellrich, Timothy M Hosea, David C Johnson, Timothy S Johnson, Morgan H Jones, Ganesh V Kamath, Thomas E Klootwyk, Bruce A Levy, C Benjamin Ma, G Peter Maiers, Robert G Marx, Matthew J Matava, Gregory M Mathien, David R McAllister, Eric C McCarty, Robert G McCormack, Bruce S Miller, Carl W Nissen, Daniel F O'Neill, Brett D Owens, Richard D Parker, Mark L Purnell, Arun J Ramappa, Michael A Rauh, Arthur C Rettig, Jon K Sekiya, Kevin G Shea, Orrin H Sherman, James R Slauterbeck, Matthew V Smith, Jeffrey T Spang, Steven J Svoboda, Timothy N Taft, Joachim J Tenuta, Edwin M Tingstad, Armando F Vidal, Darius G Viskontas, Richard A White, James S Williams, Michelle L Wolcott, Brian R Wolf, James J York
BACKGROUND: Articular cartilage health is an important issue following anterior cruciate ligament (ACL) injury and primary ACL reconstruction. Factors present at the time of primary ACL reconstruction may influence the subsequent progression of articular cartilage damage. HYPOTHESIS: Larger meniscus resection at primary ACL reconstruction, increased patient age, and increased body mass index (BMI) are associated with increased odds of worsened articular cartilage damage at the time of revision ACL reconstruction...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29243084/quantification-of-breast-cancer-protein-biomarkers-at-different-expression-levels-in-human-tumors
#19
Yi Chen, David Britton, Elizabeth R Wood, Stephen Brantley, Michelle Fournier, Marek Wloch, Vonetta L Williams, Joseph Johnson, Anthony Magliocco, Ian Pike, John M Koomen
Liquid chromatography-selected reaction monitoring (LC-SRM) mass spectrometry has developed into a versatile tool for quantification of proteins with a wide range of applications in basic science, translational research, and clinical patient assessment. This strategy uniquely complements traditional pathology approaches, like hematoxylin and eosin (H&E) staining and immunohistochemistry (IHC). The multiplexing capabilities offered by mass spectrometry are currently unmatched by other techniques. However, quantification of biomarkers in tissue specimens without the other data obtained from H&E-stained slides or IHC, including tumor cellularity or percentage of positively stained cells inter alia, may not provide as much information that is needed to fully understand tumor biology or properly assess the patient...
December 15, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29237862/abiotic-niche-partitioning-and-negative-density-dependence-drive-tree-seedling-survival-in-a-tropical-forest
#20
Daniel J Johnson, Richard Condit, Stephen P Hubbell, Liza S Comita
In tropical tree communities, processes occurring during early life stages play a critical role in shaping forest composition and diversity through differences in species' performance. Predicting the future of tropical forests depends on a solid understanding of the drivers of seedling survival. At the same time, factors determining spatial and temporal patterns of seedling survival can play a large role in permitting species coexistence in diverse communities. Using long-term data on the survival of more than 45 000 seedlings of 238 species in a Neotropical forest, we assessed the relative importance of key abiotic and biotic neighbourhood variables thought to influence individual seedling survival and tested whether species vary significantly in their responses to these variables, consistent with niche differences...
December 20, 2017: Proceedings. Biological Sciences
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