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https://www.readbyqxmd.com/read/28651987/management-of-the-incidental-renal-mass%C3%A2-on-ct-a-white-paper-of-the-acr%C3%A2-incidental-findings-committee
#1
Brian R Herts, Stuart G Silverman, Nicole M Hindman, Robert G Uzzo, Robert P Hartman, Gary M Israel, Deborah A Baumgarten, Lincoln L Berland, Pari V Pandharipande
The ACR Incidental Findings Committee (IFC) presents recommendations for renal masses that are incidentally detected on CT. These recommendations represent an update from the renal component of the JACR 2010 white paper on managing incidental findings in the adrenal glands, kidneys, liver, and pancreas. The Renal Subcommittee, consisting of six abdominal radiologists and one urologist, developed this algorithm. The recommendations draw from published evidence and expert opinion and were finalized by informal iterative consensus...
June 22, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28627420/distinct-neural-processes-support-post-success-and-post-error-slowing-in-the-stop-signal-task
#2
Yihe Zhang, Jaime S Ide, Sheng Zhang, Sien Hu, Nikola S Valchev, Xiaoying Tang, Chiang-Shan R Li
Executive control requires behavioral adaptation to environmental contingencies. In the stop signal task (SST), participants exhibit slower go trial reaction time (RT) following a stop trial, whether or not they successfully interrupt the motor response. In previous fMRI studies, we demonstrated activation of the right-hemispheric ventrolateral prefrontal cortex, in the area of inferior frontal gyrus, pars opercularis (IFGpo) and anterior insula (AI), during post-error slowing (PES). However, in similar analyses we were not able to identify regional activities during post-success slowing (PSS)...
June 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28618098/pre-labor-fetal-cardiac-function-and-its-relationship-with-intrapartum-fetal-compromise-and-neonatal-status-at-term
#3
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Sailesh Kumar
OBJECTIVES: To prospectively investigate the relationship between fetal cardiac function and Doppler parameters with intrapartum fetal compromise (IFC) in term appropriately grown fetuses prior to labour. Secondary outcomes were to correlate prenatal cardiac function with neonatal acid base status, intrapartum fetal heart rate abnormalities adverse neonatal outcomes. METHODS: This was a blinded, prospective, observational, cohort study, at the Mater Mother's Hospital, Brisbane, Australia...
June 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28610744/prenatal-manganese-exposure-and-intrinsic-functional-connectivity-of-emotional-brain-areas-in-children
#4
Erik de Water, Erika Proal, Victoria Wang, Sandra Martínez Medina, Lourdes Schnaas, Martha María Téllez-Rojo, Robert O Wright, Cheuk Y Tang, Megan K Horton
Manganese (Mn) is an essential trace metal that is neurotoxic at high levels of exposure. Disruption of brain maturation processes during the prenatal period may have lasting consequences. During this critical period, the developing human brain is uniquely vulnerable to exposure to environmental toxicants such as Mn, and prenatal Mn exposure has been associated with changes in brain areas involved in emotion processing and regulation. The goal of the present pilot study was to examine whether prenatal Mn exposure is associated with changes in the intrinsic functional connectivity (iFC) of the brain in childhood, focusing on changes in emotional brain areas...
June 10, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28594099/cerebroplacental-ratio-thresholds-measured-within-two-weeks-of-birth-and-the-risk-of-cesarean-section-for-intrapartum-fetal-compromise-and-adverse-neonatal-outcome
#5
Larissa N Bligh, Amal A Alsolai, Ristan M Greer, Sailesh Kumar
OBJECTIVES: Prediction of intrapartum fetal compromise in uncomplicated, term pregnancies is a global obstetric challenge. Currently, no widely accepted screening test for this condition exists, although the cerebroplacental ratio (CPR) shows promise. We aimed to prospectively evaluate the screening performance of the CPR 10(th) centile for detection of Cesarean section for intrapartum fetal compromise (IFC) and composite adverse neonatal outcome (ANO) in low-risk women from 36 weeks and to determine the best CPR threshold from three previously described in the literature...
June 8, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28591609/investigation-of-nanoscopic-phase-separations-in-lipid-membranes-using-inverse-fcs
#6
Yanfei Jiang, Kenneth M Pryse, Artem Melnykov, Guy M Genin, Elliot L Elson
Measurement of the sizes of nanoscopic particles is a difficult challenge, especially in two-dimensional systems such as cell membranes. We have extended inverse fluorescence correlation spectroscopy (iFCS) to endow it with unique advantages for measuring particle size from the nano- to the microscale. We have augmented iFCS with an analysis of moments of fluorescence fluctuations and used it to measure stages of phase separation in model lipid bilayer membranes. We observed two different pathways for the growth of phase domains...
June 6, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28590037/epigenetic-effects-of-an-adenosine-derivative-in-a-wistar-rat-model-of-liver-cirrhosis
#7
Jesús Rafael Rodríguez-Aguilera, Carlos Guerrero-Hernández, Rosario Pérez-Molina, Carla Elizabeth Cadena-Del-Castillo, Rebeca Pérez-Cabeza de Vaca, Nuria Guerrero-Celis, Mariana Domínguez-López, Adrián Rafael Murillo-de-Ozores, Rodrigo Arzate-Mejía, Félix Recillas-Targa, Victoria Chagoya de Sánchez
The pathological characteristic of cirrhosis is scarring which results in a structurally distorted and dysfunctional liver. Previously, we demonstrated that Col1a1 and Pparg genes are deregulated in CCl4 -induced cirrhosis but their normal expression levels are recovered upon treatment with IFC-305, an adenosine derivative. We observed that adenosine was able to modulate S-adenosylmethionine-dependent trans-methylation reactions, and recently, we found that IFC-305 modulates HDAC3 expression. Here, we investigated whether epigenetic mechanisms, involving DNA methylation processes and histone acetylation, could explain the re-establishment of gene expression mediated by IFC-305 in cirrhosis...
June 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28545098/survival-and-prognostic-factors-for-patients-with-advanced-hepatocellular-carcinoma-after-stereotactic-ablative-radiotherapy
#8
Cheng-Hsiang Lo, Jen-Fu Yang, Ming-Yueh Liu, Yee-Min Jen, Chun-Shu Lin, Hsing-Lung Chao, Wen-Yen Huang
OBJECTIVE: To evaluate the survival outcomes and prognostic factors of patients with advanced hepatocellular carcinoma (HCC) who underwent stereotactic ablative radiotherapy (SABR). METHODS: This retrospective study evaluated patients with advanced HCC who underwent SABR between December 2007 and July 2015. All patients had Barcelona Clinic Liver Cancer stage C disease and Child-Turcotte-Pugh (CTP) class A-B function. In-field control (IFC), overall survival (OS), prognostic factors, and toxicity were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28536512/transcranial-direct-current-stimulation-of-the-temporoparietal-junction-and-inferior-frontal-cortex-improves-imitation-inhibition-and-perspective-taking-with-no-effect-on-the-autism-spectrum-quotient-score
#9
Satoshi Nobusako, Yuki Nishi, Yuki Nishi, Takashi Shuto, Daiki Asano, Michihiro Osumi, Shu Morioka
Lesions to brain regions such as the temporoparietal junction (TPJ) and inferior frontal cortex (IFC) are thought to cause autism-spectrum disorder (ASD). Previous studies indicated that transcranial direct current stimulation (tDCS) of the right TPJ improves social cognitive functions such as imitation-inhibition and perspective-taking. Although previous work shows that tDCS of the right IFC improves imitation-inhibition, its effects on perspective-taking have yet to be determined. In addition, the role of the TPJ and IFC in determining the Autism-Spectrum Quotient (AQ), which is a measure of autism spectrum traits, is still unclear...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28533111/management-of-incidental-pancreatic-cysts-a-white-paper-of-the-acr-incidental-findings-committee
#10
Alec J Megibow, Mark E Baker, Desiree E Morgan, Ihab R Kamel, Dushyant V Sahani, Elliot Newman, William R Brugge, Lincoln L Berland, Pari V Pandharipande
The ACR Incidental Findings Committee (IFC) presents recommendations for managing pancreatic cysts that are incidentally detected on CT or MRI. These recommendations represent an update from the pancreatic component of the JACR 2010 white paper on managing incidental findings in the adrenal glands, kidneys, liver, and pancreas. The Pancreas Subcommittee-which included abdominal radiologists, a gastroenterologist, and a pancreatic surgeon-developed this algorithm. The recommendations draw from published evidence and expert opinion, and were finalized by informal iterative consensus...
May 12, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28525492/degenerative-cervical-disc-disease-long-term-changes-in-sagittal-alignment-and-their-clinical-implications-after-cervical-interbody-fusion-cage-subsidence-a-prospective-study-with-standalone-lordotic-tantalum-cages
#11
Félix Tomé-Bermejo, Julián A Morales-Valencia, Javier Moreno-Pérez, Juan Marfil-Pérez, Elena Díaz-Dominguez, Angel R Piñera, Luis Alvarez
STUDY DESIGN: A retrospective, observational study of prospectively collected outcomes. OBJECTIVE: To investigate the long-term clinical course of anterior cervical discectomy and fusion with interbody fusion cages (ACDF-IFC) with lordotic tantalum implants and to correlate the radiologic findings with the clinical outcomes, with special emphasis on the significance and the influence of implant subsidence. SUMMARY OF BACKGROUND DATA: Cage subsidence is the most frequently reported complication after ACDF-IFC...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28507162/lipophagy-prevents-activity-dependent-neurodegeneration-due-to-dihydroceramide-accumulation-in-vivo
#12
Wei-Hung Jung, Chung-Chih Liu, Yu-Lian Yu, Yu-Chin Chang, Wen-Yu Lien, Hsi-Chun Chao, Shu-Yi Huang, Ching-Hua Kuo, Han-Chen Ho, Chih-Chiang Chan
Dihydroceramide desaturases are evolutionarily conserved enzymes that convert dihydroceramide (dhCer) to ceramide (Cer). While elevated Cer levels cause neurodegenerative diseases, the neuronal activity of its direct precursor, dhCer, remains unclear. We show that knockout of the fly dhCer desaturase gene, infertile crescent (ifc), results in larval lethality with increased dhCer and decreased Cer levels. Light stimulation leads to ROS increase and apoptotic cell death in ifc-KO photoreceptors, resulting in activity-dependent neurodegeneration...
July 2017: EMBO Reports
https://www.readbyqxmd.com/read/28506079/the-neural-correlates-of-emotional-lability-in-children-with-autism-spectrum-disorder
#13
Randi H Bennett, Krishna Somandepalli, Amy K Roy, Adriana Di Martino
Autism spectrum disorder (ASD) is exceptionally heterogeneous in both clinical and physiopathological presentations. Clinical variability applies to ASD-specific symptoms and frequent comorbid psychopathology such as emotional lability (EL). To date, the physiopathological underpinnings of the co-occurrence of EL and ASD are unknown. As a first step, we examined within-ASD inter-individual variability of EL and its neuronal correlates using resting-state functional magnetic resonance imaging (R-fMRI). We analyzed R-fMRI data from 58 children diagnosed with ASD (5-12 years) in relation to the Conners' Parent Rating Scale EL index...
June 2017: Brain Connectivity
https://www.readbyqxmd.com/read/28482640/individual-correspondence-of-amyloid-%C3%AE-and-intrinsic-connectivity-in-the-posterior-default-mode-network-across-stages-of-alzheimer-s-disease
#14
Lorenzo Pasquini, Gloria Benson, Michel J Grothe, Lukas Utz, Nicholas E Myers, Igor Yakushev, Timo Grimmer, Martin Scherr, Christian Sorg
In Alzheimer's disease (AD), amyloid-β (Aβ) pathology and intrinsic functional connectivity (iFC) interact. Across stages of AD, we expected individual spatial correspondence of Aβ and iFC to reveal both Aβ accumulation and its detrimental effects on iFC. We used resting-state functional magnetic imaging and Aβ imaging in a cross-sectional sample of 90 subjects across stages of AD and healthy older adults. Global and local correspondence of Aβ and iFC were assessed within the posterior default mode network (pDMN) by within-subject voxel-wise correlations...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28468787/inflammatory-differences-in-plaque-erosion-and-rupture-in-patients-with-st-segment-elevation-myocardial-infarction
#15
Sujay Chandran, Johnathan Watkins, Amina Abdul-Aziz, Manar Shafat, Patrick A Calvert, Kristian M Bowles, Marcus D Flather, Stuart A Rushworth, Alisdair D Ryding
BACKGROUND: Plaque erosion causes 30% of ST-segment elevation myocardial infarctions, but the underlying cause is unknown. Inflammatory infiltrates are less abundant in erosion compared with rupture in autopsy studies. We hypothesized that erosion and rupture are associated with significant differences in intracoronary cytokines in vivo. METHODS AND RESULTS: Forty ST-segment elevation myocardial infarction patients with <6 hours of chest pain were classified as ruptured fibrous cap (RFC) or intact fibrous cap (IFC) using optical coherence tomography...
May 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28456724/characterization-of-protein-particles-in-therapeutic-formulations-using-imaging-flow-cytometry
#16
Christine Probst, Yuanchun Zeng, Rong-Rong Zhu
Quantitation of particles >10 μm in therapeutic protein formulations is required by pharmacopeia guidelines, and characterization of particles <10 μm is increasingly expected. Established methods offer limited ability to detect or characterize small particles; consequently, new methods are needed to measure the sub-10 μm size range. Here, we evaluate imaging flow cytometry (IFC) as a new method for detection of protein aggregates, taking advantage of key enabling attributes including rapid multi-modal high-resolution imaging of individual particles, low sample volume, high sampling efficiency, wide dynamic size and concentration range, and low clog risk...
August 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28421097/development-of-incompletely-fused-carpels-in-maize-ovary-revealed-by-mirna-target-gene-and-phytohormone-analysis
#17
Hongping Li, Ting Peng, Qun Wang, Yufeng Wu, Jianfeng Chang, Moubiao Zhang, Guiliang Tang, Chaohai Li
Although the molecular basis of carpel fusion in maize ovary development remains largely unknown, increasing evidence suggests a critical role of microRNAs (miRNAs). In this study, a combination of miRNA sequencing, degradome and physiological analyses was used to characterize carpel fusion development in maize ovaries showing incompletely (IFC) and completely fused carpels (CFC). A total of 162 known miRNAs distributed across 33 families were identified, of which 20 were differentially expressed. In addition, 53 miRNA candidates were identified, of which 10 were differentially expressed in the IFC and CFC ovaries...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28392491/intrinsic-functional-connectivity-of-the-central-nucleus-of-the-amygdala-and-bed-nucleus-of-the-stria-terminalis
#18
Adam X Gorka, Salvatore Torrisi, Alexander J Shackman, Christian Grillon, Monique Ernst
The central nucleus of the amygdala (CeA) and bed nucleus of the stria terminalis (BNST), two nuclei within the central extended amygdala, function as critical relays within the distributed neural networks that coordinate sensory, emotional, and cognitive responses to threat. These structures have overlapping anatomical projections to downstream targets that initiate defensive responses. Despite these commonalities, researchers have also proposed a functional dissociation between the CeA and BNST, with the CeA promoting responses to discrete stimuli and the BNST promoting responses to diffuse threat...
April 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/28355697/-study-on-apoptosis-mechanism-of-h9c2-cardiomyocytes-induced-by-n-n-dimethylformamide
#19
Q X Rong, Y J Yang, W W Zhang, J Wang, X L Ma, M Xiang, L L Wang, W J Sun
Objective: To observe the change levels of nuclear factor-kappa B (NF-κB) p65 protein in cytoplasm and nuclear, phosphorylation of inhibitor of kappa B (p-IκB) protein and cytochrome C (Cyt-c) , cleaved cysteinyl aspartate specific proteinase-3 (Cleaved caspase-3) , B-cell lymphoma/leukemia-2 (Bcl-2) in cytoplasm in the process of N, N-dimethylformamide (DMF) -induced apoptosis in H9c2 cardiomyocytes, and explore the tentative mechanism of apoptosis. Methods: H9c2 cardiomyocytes were exposed to 200 mmol/L DMF...
February 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28340447/fronto-limbic-disconnection-in-depressed-patients-with-suicidal-ideation-a-resting-state-functional-connectivity-study
#20
Lian Du, Jinkun Zeng, Huan Liu, Dejian Tang, Huaqing Meng, Yongmei Li, Yixiao Fu
BACKGROUND: Suicidal ideation (SI) is highly prevalent and a known symptom of Major Depressive Disorder (MDD), but its underlying biological mechanisms are relatively unknown. Several studies linked suicidal ideation to dysfunctional brain circuits, specifically fronto-limbic connections. The purpose of this work was to investigate fronto-limbic disconnection in MDD patients with or without SI. METHODS: MDD patients with SI (SI, n=28) or without SI (NSI, n=20), identified by the Scale for Suicide Ideation and healthy controls (HCs, n=30) underwent resting-state functional MRI scanning...
June 2017: Journal of Affective Disorders
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