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https://www.readbyqxmd.com/read/28524820/chemical-structure-guided-design-of-dynapyrazoles-potent-cell-permeable-dynein-inhibitors-with-a-unique-mode-of-action
#1
Jonathan Baruch Steinman, Cristina C Santarossa, Rand M Miller, Lola S Yu, Anna S Serpinskaya, Hideki Furukawa, Sachie Morimoto, Yuta Tanaka, Mitsuyoshi Nishitani, Moriteru Asano, Ruta Zalyte, Alison E Ondrus, Alex G Johnson, Fan Ye, Maxence V Nachury, Yoshiyuki Fukase, Kazuyoshi Aso, Michael A Foley, Vladimir I Gelfand, James K Chen, Andrew P Carter, Tarun M Kapoor
Cytoplasmic dyneins are motor proteins in the AAA+ superfamily that power transport of cellular cargos towards microtubule minus-ends. Recently, ciliobrevins were reported as selective cell-permeable inhibitors of cytoplasmic dyneins. As is often true for first-in-class inhibitors, the use of ciliobrevins has been limited by low potency. Moreover, suboptimal chemical properties, such as the potential to isomerize, have hindered efforts to improve ciliobrevins. Here, we characterized the structure of ciliobrevins and designed conformationally-constrained isosteres...
May 19, 2017: ELife
https://www.readbyqxmd.com/read/28522303/ivabradine-as-an-alternative-to-av-node-ablation-in-a%C3%A2-patient-with-permanent-atrial-fibrillation
#2
Adolfo Fontenla, Lola Villagraz, Javier de Juan, Álvaro Lozano, Sebastián Giacoman, María López-Gil
No abstract text is available yet for this article.
May 15, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28515100/detection-of-chromosomal-translocation-in-hematologic-malignancies-by-a-novel-dna-based-looped-ligation-assay-lola
#3
Shuko Harada, Emily Sizzle, Ming-Tseh Lin, Christopher D Gocke
BACKGROUND: Disease-defining chromosomal translocations are seen in various neoplasms, especially in lymphomas and leukemias. Translocation detection at the DNA level is often complicated by chromosomal breakpoints that are distributed over very large regions. We have developed a ligation-based assay [the looped ligation assay (LOLA)] to detect translocations from diseases with multiple widely spaced breakpoint hot spots. METHODS: Oligonucleotide sets that probe breakpoints of IGH-BCL2 (immunoglobulin heavy-apoptosis regulator) in follicular lymphoma (FL), MYC-IGH (MYC proto-oncogene, bHLH transcription factor- immunoglobulin heavy) in Burkitt lymphoma (BL) and BCR-ABL1 (RhoGEF and GTPase activating protein-ABL proto-oncogene 1, non-receptor tyrosine kinase) in chronic myelogenous leukemia (CML) were designed...
May 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28501125/direct-orthotopic-implantation-of-hepatic-organoids
#4
Vivian X Zhou, Macarena Lolas, Tammy T Chang
BACKGROUND: Liver organoids show potential for development as a tissue replacement therapy for patients with end-stage liver disease, but efficient methods for introducing organoids into host livers have not been established. In this study, we aimed to develop a surgical technique to implant hepatic organoids into the liver and assess their engraftment. METHODS: Donor hepatocytes were isolated from ROSA26 C57BL/6 mice, so that engrafted cells, when implanted into wild-type mice, could be easily identified by X-gal staining...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28486781/genomic-analysis-of-inherited-breast-cancer-among-palestinian-women-genetic-heterogeneity-and-a-founder-mutation-in-tp53
#5
Suhair Lolas Hamameh, Paul Renbaum, Lara Kamal, Dima Dweik, Mohammad Salahat, Tamara Jaraysa, Amal Abu Rayyan, Silvia Casadei, Jessica B Mandell, Suleyman Gulsuner, Ming K Lee, Tom Walsh, Mary-Claire King, Ephrat Levy-Lahad, Moein Kanaan
Breast cancer among Palestinian women has lower incidence than in Europe or North America, yet is very frequently familial. We studied genetic causes of this familial clustering in a consecutive hospital-based series of 875 Palestinian patients with invasive breast cancer, including 453 women with diagnosis by age 40, or with breast or ovarian cancer in a mother, sister, grandmother, or aunt ("discovery series"); and 422 women diagnosed after age 40 and with negative family history ("older-onset sporadic patient series")...
May 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28479259/physical-activity-limits-the-effects-of-age-and-alzheimer-s-disease-on-postural-control
#6
Lola Debove, Noelle Bru, Martine Couderc, Frederic Noé, Thierry Paillard
The aim was to study the possible influence of physical activity on the postural performance of subjects with Alzheimer's disease (AD). The postural performance (i.e. surface area of the center of foot pressure displacement) of 3 groups was compared: Alzheimer active group (AA), Alzheimer non-active group (ANA) and healthy non-active group (HNA). The AA group's postural performance was superior to that of the ANA and HNA groups. AD disturbed postural performance but participation in regular physical activity made it possible to limit the disturbing effects of AD to a surprising extent, since the postural performance of active AD subjects was also superior to that of healthy subjects...
May 4, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28465303/epidemiology-of-blindness-in-children
#7
REVIEW
Ameenat Lola Solebo, Lucinda Teoh, Jugnoo Rahi
An estimated 14 million of the world's children are blind. A blind child is more likely to live in socioeconomic deprivation, to be more frequently hospitalised during childhood and to die in childhood than a child not living with blindness. This update of a previous review on childhood visual impairment focuses on emerging therapies for children with severe visual disability (severe visual impairment and blindness or SVI/BL).For children in higher income countries, cerebral visual impairment and optic nerve anomalies remain the most common causes of SVI/BL, while retinopathy of prematurity (ROP) and cataract are now the most common avoidable causes...
May 2, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28464825/continuous-determination-of-blood-glucose-in-children-admitted-with-malaria-in-a-rural-hospital-in-mozambique
#8
Lola Madrid, Antonio Sitoe, Rosauro Varo, Tacilta Nhampossa, Miguel Lanaspa, Abel Nhama, Sozinho Acácio, Isolina Riaño, Aina Casellas, Quique Bassat
BACKGROUND: Hypoglycaemia is a frequent complication among admitted children, particularly in malaria-endemic areas. This study aimed to estimate the occurrence of hypoglycaemia not only upon admission but throughout the first 72 h of hospitalization in children admitted with malaria. METHODS: A simple pilot study to continuously monitor glycaemia in children aged 0-10 years, admitted with malaria in a rural hospital was conducted in Southern Mozambique by inserting continuous glucose monitors (CGMs) in subcutaneous tissue of the abdominal area, producing glycaemia readings every 5 min...
May 2, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28445646/spinning-hierarchical-gold-nanowire-microfibers-by-shear-alignment-and-intermolecular-self-assembly
#9
Beate Reiser, Dominik Gerstner, Lola Gonzalez-Garcia, Johannes H M Maurer, Ioannis Kanelidis, Tobias Kraus
Hierarchical structures lend strength to natural fibers made of soft nanoscale building blocks. Intermolecular interactions connect the components at different levels of hierarchy, distribute stresses, and guarantee structural integrity under load. Here, we show that synthetic ultrathin gold nanowires with interacting ligand shells can be spun into biomimetic, free-standing microfibers. A solution spinning process first aligns the wires, then lets their ligand shells interact, and finally converts them into a hierarchical superstructure...
May 4, 2017: ACS Nano
https://www.readbyqxmd.com/read/28428813/perinatal-depression-in-nigeria-perspectives-of-women-family-caregivers-and-health-care-providers
#10
Ademola Adeponle, Danielle Groleau, Lola Kola, Laurence J Kirmayer, Oye Gureje
BACKGROUND: Perinatal maternal depression is common and undertreated in many sub-Saharan African countries, including Nigeria. While culture shapes the social determinants and expression of depressive symptoms, there is a dearth of research investigating these processes in African contexts. METHODS: To address this gap, we conducted in-depth interviews with 14 women with perinatal depression, 14 of their family caregivers and 11 health providers, using the McGill Illness Narrative Interview as part of a larger trial of a stepped-care intervention...
2017: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28426175/differences-in-xylem-and-leaf-hydraulic-traits-explain-differences-in-drought-tolerance-among-mature-amazon-rainforest-trees
#11
Thomas L Powell, James K Wheeler, Alex A R de Oliveira, Antonio Carlos Lola da Costa, Scott R Saleska, Patrick Meir, Paul R Moorcroft
Considerable uncertainty surrounds the impacts of anthropogenic climate change on the composition and structure Amazon forests. Two large-scale ecosystem drought experiments in the eastern Brazilian Amazon observed increases in mortality rates among some tree species but not others; and therefore, the physiological traits underpinning these differential demographic responses were investigated. Xylem pressure at 50% conductivity (xylem-P50 ), leaf turgor loss point (TLP), cellular osmotic potential (πo ) and cellular bulk modulus of elasticity (ε), all traits mechanistically linked to drought tolerance, were measured on upper canopy branches and leaves of mature trees from selected species growing at the two drought experiment sites...
April 20, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28416660/redefining-the-essential-trafficking-pathway-for-outer-membrane-lipoproteins
#12
Marcin Grabowicz, Thomas J Silhavy
The outer membrane (OM) of Gram-negative bacteria is a permeability barrier and an intrinsic antibiotic resistance factor. Lipoproteins are OM components that function in cell wall synthesis, diverse secretion systems, and antibiotic efflux pumps. Moreover, each of the essential OM machines that assemble the barrier requires one or more lipoproteins. This dependence is thought to explain the essentiality of the periplasmic chaperone LolA and its OM receptor LolB that traffic lipoproteins to the OM. However, we show that in strains lacking substrates that are toxic when mislocalized, both LolA and LolB can be completely bypassed by activating an envelope stress response without compromising trafficking of essential lipoproteins...
May 2, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28375558/analysis-of-the-advantages-of-cis-reporters-in-optimized-facs-gal
#13
Miguel Ángel Sánchez-Luengo, Miguel Rovira, Manuel Serrano, Pablo Jose Fernandez-Marcos, Lola Martinez
Flow cytometry is a powerful multiparametric technology, widely used for the identification, quantification, and isolation of defined populations of cells based on the expression of target proteins. It also allows for the use of surrogate reporters, either enzymatic or fluorescent, to indirectly monitor the expression of these target proteins. In this work, we optimised the dissociation protocol for the detection of the enzymatic reporter LacZ using the FACS-Gal detection system with the fluorogenic substrate FDG to compare cis- versus trans-positioned reporters efficiency...
April 4, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28362915/the-influence-of-perioperative-seizure-prophylaxis-on-seizure-rate-and-hospital-quality-metrics-following-glioma-resection
#14
Michael C Dewan, Gabrielle A White-Dzuro, Philip R Brinson, Scott L Zuckerman, Peter J Morone, Reid C Thompson, John C Wellons, Lola B Chambless
BACKGROUND: Antiepileptic drugs (AEDs) are frequently administered prophylactically to mitigate seizures following craniotomy for brain tumor resection. However, conflicting evidence exists regarding the efficacy of AEDs, and their influence on surgery-related outcomes is limited. OBJECTIVE: To evaluate the influence of perioperative AEDs on postoperative seizure rate and hospital-reported quality metrics. METHODS: A retrospective cohort study was conducted, incorporating all adult patients who underwent craniotomy for glioma resection at our institution between 1999 and 2014...
April 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28362545/remote-orbital-recurrence-of-olfactory-neuroblastoma-esthesioneuroblastoma
#15
Mark P Breazzano, James S Lewis, Lola B Chambless, Sarah L Rohde, Rachel K Sobel
Olfactory neuroblastoma is a rare and often locally aggressive malignancy that invades the orbit via local destruction. It is known to recur in a delayed fashion, particularly to the neck lymph nodes. This is a case of a 65-year-old gentleman who presents with recurrence in the orbit and a neck lymph node 19 years after treatment for his initial disease. This report describes the longest known interval in orbital recurrence and should alert the monitoring physician that extreme delays in recurrence can occur...
March 31, 2017: Orbit
https://www.readbyqxmd.com/read/28357375/syphilis-re-emergence-of-an-old-foe
#16
REVIEW
Lola V Stamm
Syphilis is caused by infection with Treponema pallidum subsp. pallidum, a not-yet-cultivable spiral-shaped bacterium that is usually transmitted by sexual contact with an infected partner or by an infected pregnant woman to her fetus. There is no vaccine to prevent syphilis. Diagnosis and treatment of infected individuals and their contacts is key to syphilis control programs that also include sex education and promotion of condom use to prevent infection. Untreated syphilis can progress through four stages: primary (chancre, regional lymphadenopathy), secondary (disseminated skin eruptions, generalized lymphadenopathy), latent (decreased re-occurrence of secondary stage manifestations, absence of symptoms), and tertiary (gummas, cardiovascular syphilis and late neurological symptoms)...
June 27, 2016: Microbial Cell
https://www.readbyqxmd.com/read/28356389/liver-carcinogenesis-by-fos-dependent-inflammation-and-cholesterol-dysregulation
#17
Latifa Bakiri, Rainer Hamacher, Osvaldo Graña, Ana Guío-Carrión, Ramón Campos-Olivas, Lola Martinez, Hans P Dienes, Martin K Thomsen, Sebastian C Hasenfuss, Erwin F Wagner
Human hepatocellular carcinomas (HCCs), which arise on a background of chronic liver damage and inflammation, express c-Fos, a component of the AP-1 transcription factor. Using mouse models, we show that hepatocyte-specific deletion of c-Fos protects against diethylnitrosamine (DEN)-induced HCCs, whereas liver-specific c-Fos expression leads to reversible premalignant hepatocyte transformation and enhanced DEN-carcinogenesis. c-Fos-expressing livers display necrotic foci, immune cell infiltration, and altered hepatocyte morphology...
May 1, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28346019/fallopian-tube-involvement-by-disseminated-peritoneal-adenomucinosis-mimicking-mucinous-tubal-metaplasia
#18
Stephanie M Richards, John C Papadimitriou, Lola A Hoover, William S Twaddell, Olga B Ioffe
No abstract text is available yet for this article.
December 1, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28331887/android-application-for-determining-surgical-variables-in-brain-tumor-resection-procedures
#19
Rohan C Vijayan, Reid C Thompson, Lola B Chambless, Peter J Morone, Le He, Logan W Clements, Rebekah H Griesenauer, Hakmook Kang, Michael I Miga
The fidelity of image-guided neurosurgical procedures is often compromised due to the mechanical deformations that occur during surgery. In recent work, a framework was developed to predict the extent of this brain shift in brain-tumor resection procedures. The approach uses preoperatively determined surgical variables to predict brain shift and then subsequently corrects the patient's preoperative image volume to more closely match the intraoperative state of the patient's brain. However, a clinical workflow difficulty with the execution of this framework is the preoperative acquisition of surgical variables...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28326170/obstacles-and-opportunities-in-the-functional-analysis-of-extracellular-vesicle-rna-an-isev-position-paper
#20
Bogdan Mateescu, Emma J K Kowal, Bas W M van Balkom, Sabine Bartel, Suvendra N Bhattacharyya, Edit I Buzás, Amy H Buck, Paola de Candia, Franklin W N Chow, Saumya Das, Tom A P Driedonks, Lola Fernández-Messina, Franziska Haderk, Andrew F Hill, Jennifer C Jones, Kendall R Van Keuren-Jensen, Charles P Lai, Cecilia Lässer, Italia di Liegro, Taral R Lunavat, Magdalena J Lorenowicz, Sybren L N Maas, Imre Mäger, Maria Mittelbrunn, Stefan Momma, Kamalika Mukherjee, Muhammed Nawaz, D Michiel Pegtel, Michael W Pfaffl, Raymond M Schiffelers, Hidetoshi Tahara, Clotilde Théry, Juan Pablo Tosar, Marca H M Wauben, Kenneth W Witwer, Esther N M Nolte-'t Hoen
The release of RNA-containing extracellular vesicles (EV) into the extracellular milieu has been demonstrated in a multitude of different in vitro cell systems and in a variety of body fluids. RNA-containing EV are in the limelight for their capacity to communicate genetically encoded messages to other cells, their suitability as candidate biomarkers for diseases, and their use as therapeutic agents. Although EV-RNA has attracted enormous interest from basic researchers, clinicians, and industry, we currently have limited knowledge on which mechanisms drive and regulate RNA incorporation into EV and on how RNA-encoded messages affect signalling processes in EV-targeted cells...
2017: Journal of Extracellular Vesicles
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