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https://www.readbyqxmd.com/read/28107636/visceral-white-adipose-tissue-following-chronic-intermittent-and-sustained-hypoxia-in-mice
#1
David Gozal, Alex Gileles-Hillel, Rene Cortese, Yan Li, Isaac Almendros, Zhuanhong Qiao, Ahamed A Khalyfa, Jorge Andrade, Abdelnaby Khalyfa
BACKGROUND: Angiogenesis, a process induced by hypoxia in visceral white adipose tissue (vWAT) in the context of obesity, mediates obesity-induced metabolic dysfunction and insulin resistance. Chronic intermittent hypoxia (IH) and sustained hypoxia (SH) induce body weight reductions and insulin resistance of differing magnitude, suggesting different HIF-1α-related activity. METHODS: 8-week old male C57BL/6J mice (n=10-12/group) were exposed to either IH, SH,or room air (RA)...
January 20, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28107583/chronic-hepatitis-c-and-chronic-kidney-disease-advances-limitations-and-unchartered-territories
#2
Manuel Mendizabal, K Rajender Reddy
Over the past few years, treatment options for chronic hepatitis C virus (HCV) infection have evolved dramatically. The current approved interferon-free direct-acting antiviral (DAA) regimens have been shown to be safe and effective with sustained virologic response (SVR) rates of >90% in most patients. Unique issues yet remain such as the challenges in patients with impaired renal function or decompensated cirrhosis. Patients with stage 4-5 chronic kidney disease (CKD) have a higher prevalence of HCV infection compared with the general population...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107546/bone-marrow-stroma-protects-myeloma-cells-from-cytotoxic-damage-via-induction-of-the-oncoprotein-muc1
#3
Michal Bar-Natan, Dina Stroopinsky, Katarina Luptakova, Maxwell D Coll, Arie Apel, Hasan Rajabi, Athalia R Pyzer, Kristen Palmer, Michaela R Reagan, Myrna R Nahas, Rebecca Karp Leaf, Salvia Jain, Jon Arnason, Irene M Ghobrial, Kenneth C Anderson, Donald Kufe, Jacalyn Rosenblatt, David Avigan
Multiple myeloma (MM) is a lethal haematological malignancy that arises in the context of a tumour microenvironment that promotes resistance to apoptosis and immune escape. In the present study, we demonstrate that co-culture of MM cells with stromal cells results in increased resistance to cytotoxic and biological agents as manifested by decreased rates of cell death following exposure to alkylating agents and the proteosome inhibitor, bortezomib. To identify the mechanism of increased resistance, we examined the effect of the co-culture of MM cells with stroma cells, on expression of the MUC1 oncogene, known to confer tumour cells with resistance to apoptosis and necrosis...
January 20, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28107446/amygdala-atrophy-and-its-functional-disconnection-with-the-cortico-striatal-pallidal-thalamic-circuit-in-major-depressive-disorder-in-females
#4
Jie Yang, Yingying Yin, Connie Svob, Jun Long, Xiaofu He, Yuqun Zhang, Zhi Xu, Lei Li, Jie Liu, Jian Dong, Zuping Zhang, Zhishun Wang, Yonggui Yuan
BACKGROUND: Major depressive disorder (MDD) is approximately twice as common in females than males. Furthermore, female patients with MDD tend to manifest comorbid anxiety. Few studies have explored the potential anatomical and functional brain changes associated with MDD in females. Therefore, the purpose of the present study was to investigate the anatomical and functional changes underlying MDD in females, especially within the context of comorbid anxiety. METHODS: In this study, we recruited antidepressant-free females with MDD (N = 35) and healthy female controls (HC; N = 23)...
2017: PloS One
https://www.readbyqxmd.com/read/28107444/epidemiological-and-clinical-features-of-brucellosis-in-the-country-of-georgia
#5
Tamar Akhvlediani, Christian T Bautista, Natalia Garuchava, Lia Sanodze, Nora Kokaia, Lile Malania, Nazibrola Chitadze, Ketevan Sidamonidze, Robert G Rivard, Matthew J Hepburn, Mikeljon P Nikolich, Paata Imnadze, Nino Trapaidze
BACKGROUND: Brucellosis is an endemic disease in the country of Georgia. According to the National Center for Disease Control and Public Health of Georgia (NCDC), the average annual number of brucellosis cases was 161 during 2008-2012. However, the true number of cases is thought to be higher due to underreporting. The aim of this study was to provide current epidemiological and clinical information and evaluate diagnostic methods used for brucellosis in Georgia. METHODOLOGY: Adult patients were eligible for participation if they met the suspected or probable case definition for brucellosis...
2017: PloS One
https://www.readbyqxmd.com/read/28107388/factors-moderating-the-relationship-between-childhood-trauma-and-premorbid-adjustment-in-first-episode-schizophrenia
#6
S Kilian, J K Burns, S Seedat, L Asmal, B Chiliza, S Du Plessis, M R Olivier, M Kidd, R Emsley
Childhood trauma is a recognised risk factor for schizophrenia. It has been proposed that childhood trauma interferes with normal neurodevelopment, thereby establishing a biological vulnerability to schizophrenia. Poor premorbid adjustment is frequently a precursor to schizophrenia, and may be a manifestation of neurodevelopmental compromise. We investigated the relationship between childhood trauma and premorbid adjustment in 77 patients with first-episode schizophrenia spectrum disorders. We also investigated possible mediating roles for other selected risk factors in the relationship...
2017: PloS One
https://www.readbyqxmd.com/read/28107346/decreased-functional-connectivity-of-insular-cortex-in-drug-na%C3%A3-ve-first-episode-schizophrenia-in-relation-to-symptom-severity
#7
Lijuan Pang, David Kennedy, Qinling Wei, Luxian Lv, Jinsong Gao, Hong Li, Meina Quan, Xue Li, Yongfeng Yang, Xiaoduo Fan, Xueqin Song
BACKGROUND: This study was to examine the insular cortical functional connectivity in drug naïve patients with first episode schizophrenia and to explore the relationship between the connectivity and the severity of clinical symptoms. METHODS: Thirty-seven drug naïve patients with schizophrenia and 25 healthy controls were enrolled in this study. A seed-based approach was used to analyze the resting-state functional imaging data. Insular cortical connectivity maps were bilaterally extracted for group comparison and validated by voxel-based morphometry (VBM) analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28106728/inflammatory-manifestations-of-lymphedema
#8
REVIEW
Catherine L Ly, Raghu P Kataru, Babak J Mehrara
Lymphedema results from lymphatic insufficiency leading to a progressive inflammatory process that ultimately manifests as discomfort, recurrent infections, and, at times, secondary malignancy. Collectively, these morbidities contribute to an overall poor quality of life. Although there have been recent advances in microsurgical interventions, a conservative palliative approach remains the mainstay of treatment for this disabling disease. The absence of a cure is due to an incomplete understanding of the pathophysiological changes that result in lymphedema...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106642/imaging-in-endometriosis-and-adenomyosis
#9
Luis R Hoyos, Beryl Benacerraf, Elizabeth E Puscheck
Endometriosis and adenomyosis may be accurately diagnosed using ultrasound (US). Several findings are characteristic and various US modalities have been described. Recent development of 3-dimensional transvaginal US has resulted in a major advance in the evaluation of adenomyosis. Endometriotic manifestations can also be accurately evaluated with US, which is and should remain the first-line approach for the evaluation of these conditions. Obvious advantages over magnetic resonance imaging include its wide-availability, tolerability, less time-consumption, more accessible price and familiarity of gynecologists with its use...
March 2017: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28106551/conscientiousness-is-negatively-associated-with-grey-matter-volume-in-young-apoe%C3%A9-4-carriers
#10
Lukas Kunz, Martin Reuter, Nikolai Axmacher, Christian Montag
The etiology of late onset Alzheimer's disease (LOAD) depends on multiple factors, among which the APOEɛ4 allele is the most adverse genetic determinant and conscientiousness represents an influential personality trait. A potential association of both factors with brain structure in young adulthood may constitute a constellation that sets the course toward or against the subtle disease progression of LOAD that starts decades before clinical manifestation. Hence, in the present study, we examined the modulating effects of APOEɛ4 on the relation between personality dimensions, including conscientiousness, and total grey matter volume (GMV) in young healthy adults using an a priori genotyping design...
January 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106480/radio-pathological-correlation-of-organising-pneumonia-op-a-pictorial-review
#11
Mohammad Zare Mehrjardi, Shahram Kahkouee, Mihan Pourabdollah
Since the description of cryptogenic organising pneumonia (COP) in 1983 by Davison et al. and the subsequent report on bronchiolitis obliterans organising pneumonia (BOOP) by Epler et al., some reports have been published regarding the imaging features of organising pneumonia (OP). In this pictorial review, we aim to describe different manifestations of OP on high-resolution computed tomography (HRCT) accompanied by their histopathological correlations for a better comprehension of the radiological findings pathomechanism...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28106440/magnetoelectric-andreev-effect-due-to-proximity-induced-nonunitary-triplet-superconductivity-in-helical-metals
#12
G Tkachov
Noncentrosymmetric superconductors exhibit the magnetoelectric effect, which manifests itself in the appearance of the magnetic spin polarization in response to a dissipationless electric current (supercurrent). While much attention has been dedicated to the thermodynamic version of this phenomenon (Edelstein effect), nonequilibrium transport magnetoelectric effects have not been explored yet. We propose the magnetoelectric Andreev effect (MAE), which consists in the generation of spin-polarized triplet Andreev conductance by an electric supercurrent...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106158/transaminase-abnormalities-and-adaptations-of-the-liver-lobule-manifest-at-specific-cut-offs-of-steatosis
#13
Andrew Hall, Claudia Covelli, Roberta Manuguerra, Tu Vinh Luong, Elena Buzzetti, Emmanuel Tsochatzis, Massimo Pinzani, Amar Paul Dhillon
There is little documented evidence suggesting that liver fat is responsible for liver injury in the absence of other disease processes. We investigated the relationships between liver fat, aminotransferases and hepatic architecture in liver biopsies with simple steatosis. We identified 136 biopsies with simple steatosis from the Royal Free Hospital Archives with both clinical data and sufficient material. Digital image analysis was employed to measure fat proportionate area (mFPA). Hepatocyte area (HA) and lobule radius (LR) were also measured...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106011/magnetic-glass-state-and-magnetoresistance-in-srlafecoo6-double-perovskite
#14
R Pradheesh, Harikrishnan S Nair, G R Haripriya, Anatoliy Senyshyn, Tapan Chatterji, V Sankaranarayanan, K Sethupathi
Unusual features in magnetization resembling the kinetic arrest of a magnetic glass state are observed in the La-doped double perovskite, SrLaFeCoO6. Neutron powder diffraction experiments confirm the presence of antisite disorder as well as a lack of long-range magnetic order down to 4 K in this double perovskite which displays spin glass-like features in dc and ac susceptibilities. Magnetic relaxation observed through cooling and heating under unequal fields (CHUF) point towards unusual domain dynamics which is supported by a broad memory effect...
January 20, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28105951/theoretical-implementation-of-prior-knowledge-in-the-design-of-a-multi-scale-prosthesis-satisfaction-questionnaire
#15
Tim Schürmann, Philipp Beckerle, Julia Preller, Joachim Vogt, Oliver Christ
BACKGROUND: In product development for lower limb prosthetic devices, a set of special criteria needs to be met. Prosthetic devices have a direct impact on the rehabilitation process after an amputation with both perceived technological and psychological aspects playing an important role. However, available psychometric questionnaires fail to consider the important links between these two dimensions. In this article a probabilistic latent trait model is proposed with seven technical and psychological factors which measure satisfaction with the prosthesis...
December 19, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28105932/genes-of-susceptibility-to-early-neurodegenerative-changes-in-the-rat-retina-and-brain-analysis-by-means-of-congenic-strains
#16
Elena E Korbolina, Anna A Zhdankina, Anzhela Zh Fursova, Oyuna S Kozhevnikova, Natalia G Kolosova
BACKGROUND: There has been considerable interest in discovery of the genetic architecture of complex traits, particularly age-related neurodegenerative disorders. To predict disease risk and to understand its genetic basis in humans, it is necessary to study animal models. Our previous research on the accelerated-senescence OXYS strain has revealed two quantitative trait loci (QTLs) on rat chromosome 1 that are associated with early cataract and/or retinopathy as well as with behavioral abnormalities...
December 22, 2016: BMC Genetics
https://www.readbyqxmd.com/read/28105926/the-gene-expression-profile-of-renal-medulla-in-isiah-rats-with-inherited-stress-induced-arterial-hypertension
#17
Marina A Ryazanova, Larisa A Fedoseeva, Nikita I Ershov, Vadim M Efimov, Arcady L Markel, Olga E Redina
BACKGROUND: The changes in the renal function leading to a reduction of medullary blood flow can have a great impact on sodium and water homeostasis and on the long-term control of arterial blood pressure. The RNA-Seq approach was used for transcriptome profiling of the renal medulla from hypertensive ISIAH and normotensive WAG rats to uncover the genetic basis of the changes underlying the renal medulla function in the ISIAH rats being a model of the stress-sensitive arterial hypertension and to reveal the genes which possibly may contribute to the alterations in medullary blood flow...
December 22, 2016: BMC Genetics
https://www.readbyqxmd.com/read/28105733/vitamin-d-supplementation-for-sickle-cell-disease
#18
REVIEW
Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Nan Nitra Than, Han Ni, Jaspal Singh, Abdul Razzak Bin Mohd Said, Ifeyinwa Osunkwo
BACKGROUND: Sickle cell disease is a genetic chronic haemolytic and pro-inflammatory disorder. The clinical manifestations of sickle cell disease result from the presence of mutations on the beta globin genes that generate an abnormal haemoglobin product (called haemoglobin S) within the red blood cell. Sickle cell disease can lead to many complications such as acute chest syndrome, stroke, acute and chronic bone complications (including painful vaso-occlusive crisis, osteomyelitis, osteonecrosis and osteoporosis)...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28105635/dental-and-extra-oral-clinical-features-in-41-patients-with-wnt10a-gene-mutations-a-multicentric-genotype-phenotype-study
#19
C Tardieu, S Jung, K Niederreither, M Prasad, S Hadj-Rabia, N Philip, A Mallet, E Consolino, E Sfeir, B Noueiri, N Chassaing, H Dollfus, M-C Manière, A Bloch-Zupan, F Clauss
WNT10A gene encodes a canonical wingless pathway signaling molecule involved in cell fate specification as well as morphogenetic patterning of the developing ectoderm, nervous system, skeleton, and tooth. In patients, WNT10A mutations are responsible for ectodermal-derived pathologies including isolated hypo-oligodontia, tricho-odonto-onycho-dermal dysplasia (TOODD) and Schöpf-Schulz-Passarge Syndrome (SSPS). Here we describe the dental, ectodermal, and extra-ectodermal phenotypic features of a cohort of 41 patients from 32 unrelated families...
January 20, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28105575/bongkrekic-acid-a-review-of-a-lesser-known-mitochondrial-toxin
#20
REVIEW
Mehruba Anwar, Amelia Kasper, Alaina R Steck, Joshua G Schier
INTRODUCTION: Bongkrekic acid (BA) has a unique mechanism of toxicity among the mitochondrial toxins: it inhibits adenine nucleotide translocase (ANT) rather than the electron transport chain. Bongkrekic acid is produced by the bacterium Burkholderia gladioli pathovar cocovenenans (B. cocovenenans) which has been implicated in outbreaks of food-borne illness involving coconut- and corn-based products in Indonesia and China. Our objective was to summarize what is known about the epidemiology, exposure sources, toxicokinetics, pathophysiology, clinical presentation, and diagnosis and treatment of human BA poisoning...
January 19, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
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