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https://www.readbyqxmd.com/read/28324233/diagnosis-and-treatment-of-kaposi-sarcoma
#1
REVIEW
Johann W Schneider, Dirk P Dittmer
Kaposi sarcoma (KS) is the most common neoplasm of people living with HIV today. In Sub-Saharan Africa, KS is among the most common cancers in men, overall. Not only HIV-positive individuals present with KS; any immune compromised person infected with KS-associated herpesvirus (KSHV) or human herpesvirus 8 is at risk: the elderly, children in KSHV-endemic areas, and transplant recipients. KS diagnosis is based on detection of the viral protein latency-associated nuclear antigen (LANA) in the biopsy, but not all cases of KS are the same or will respond to the same therapy...
March 21, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28324054/ccdc141-mutations-in-idiopathic-hypogonadotropic-hypogonadism
#2
Ihsan Turan, B Ian Hutchins, Bulent Hacihamdioglu, L Damla Kotan, Fatih Gurbuz, Ayca Ulubay, Eda Mengen, Bilgin Yuksel, Susan Wray, A Kemal Topaloglu
Context: GnRH neurons originate outside the central nervous system in the olfactory placode and migrate into the CNS, becoming integral components of the hypothalamic-pituitary-gonadal axis. Failure of this migration can lead to Idiopathic Hypogonadotropic Hypogonadism (IHH)/Kallmann Syndrome (KS). We have previously shown that CCDC141 knockdown leads to impaired migration of GnRH neurons but not of olfactory receptor neurons. Objective: The aim of this study was to further describe the phenotype and prevalence of CCDC141 mutations in IHH/KS...
January 23, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28317077/de-novo-cancer-in-patients-on-dialysis-and-after-renal-transplantation-north-western-italy-1997-2012
#3
Valentina Mazzucotelli, Pierluca Piselli, Diana Verdirosi, Claudia Cimaglia, Giovanni Cancarini, Diego Serraino, Silvio Sandrini
BACKGROUND: Kidney transplant recipients (KTR) are known to have a higher risk of cancer than the general population, especially of malignancies related to oncogenic viral infections. This study assessed the incidence of de novo malignancies (DNMs) in patients receiving kidney transplantation and in dialysis patients (DP) on the waiting list for transplantation at the same centre. The aim was to quantify the contribution of post-transplant immunosuppression to the underlying risk of developing a DNM in dialysis patients on the waiting list for kidney transplant...
March 19, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28316271/visuospatial-declarative-learning-despite-profound-verbal-declarative-amnesia-in-korsakoff-s-syndrome
#4
Erik Oudman, Albert Postma, Tanja C W Nijboer, Jan W Wijnia, Stefan Van der Stigchel
Korsakoff's syndrome (KS) is a neuropsychiatric disorder characterised by severe amnesia. Although the presence of impairments in memory has long been acknowledged, there is a lack of knowledge about the precise characteristics of declarative memory capacities in order to implement memory rehabilitation. In this study, we investigated the extent to which patients diagnosed with KS have preserved declarative memory capacities in working memory, long-term memory encoding or long-term memory recall operations, and whether these capacities are most preserved for verbal or visuospatial content...
March 20, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28314115/genome-wide-identification-and-evolution-of-the-pin-formed-pin-gene-family-in-glycine-max
#5
Yuan Liu, Haichao Wei
Soybean is one of the most important crop plants, wild and cultivated soybean varieties have significant differences worth further investigation, such as plant morphology, seed size, seed coat development, these characters may be related to auxin biology. The PIN family is an essential auxin polar transport gene, but little research on soybean PINs (GmPINs) has been done, especially with respect to evolution and the differences between wild and cultivated soybean. In this study, we retrieved 23 GmPINs from the latest updated G...
March 17, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28304113/partitioning-of-nanoparticle-originated-dissolved-silver-in-natural-and-artificial-sediments
#6
Juho E Rajala, Eeva-Riikka Vehniäinen, Ari Väisänen, Jussi V K Kukkonen
Sediments are believed to be a major sink for the silver nanoparticles (AgNP) in the aquatic environment, but there is a lack of knowledge about the environmental effects and behaviour of AgNP in sediments. The release of highly toxic Ag(+) through dissolution of AgNP is one mechanism leading to toxic effects in sediments. We applied an ultrasound-assisted sequential extraction method to evaluate the dissolution of AgNP and to study the partitioning of dissolved Ag in sediments. Ag was spiked into artificial (AS) and 2 natural sediments (HS, KS) as silver nitrate (AgNO3 ), uncoated AgNP (uc-AgNP), or polyvinylpyrrolidone-coated AgNP (PVP-AgNP)...
March 17, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28300592/new-peptide-inhibitors-modulate-the-self-assembly-of-islet-amyloid-polypeptide-residues-11-20-in-vitro
#7
Yexuan Mao, Lanlan Yu, Ran Yang, Chuanguo Ma, Lingbo Qu, Peter de B Harrington
The structural transition and misfolding of human islet amyloid polypeptide may cause a common metabolic disease Type 2 diabetes mellitus. Seventeen peptides have been synthesized, possessing different lengths, compositions, and peptide conformation. In this study, the mechanism of these peptides on inhibiting the formation of hIAPP11-20 amyloid fibrils was investigated using a conventional ThT fluorescence assay and microscale thermophoresis. The results showed that short peptides AT, SA, RF, KS, KT and KN, and cyclic peptides cyclic-KS, cyclic-KT and cyclic-KN displayed considerable inhibitory effect on hIAPP11-20 fibril formation and a strong affinity for hIAPP11-20...
March 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28297958/extensivity-and-additivity-of-the-kolmogorov-sinai-entropy-for-simple-fluids
#8
Moupriya Das, Anthony B Costa, Jason R Green
According to the van der Waals picture, attractive and repulsive forces play distinct roles in the structure of simple fluids. Here, we examine their roles in dynamics; specifically, in the degree of deterministic chaos using the Kolmogorov-Sinai (KS) entropy rate and the spectra of Lyapunov exponents. With computer simulations of three-dimensional Lennard-Jones and Weeks-Chandler-Andersen fluids, we find repulsive forces dictate these dynamical properties, with attractive forces reducing the KS entropy at a given thermodynamic state...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28295206/molecular-clinical-and-neuropsychological-study-in-31-patients-with-kabuki-syndrome-and-kmt2d-mutations
#9
Natacha Lehman, Anne Claire Mazery, Antoine Visier, Clarisse Baumann, Dominique Lachesnais, Yline Capri, Annick Toutain, Sylvie Odent, Myriam Mikaty, Cyril Goizet, Emmanuelle Taupiac, Marie Line Jacquemont, Elodie Sanchez, Elise Schaefer, Vincent Gatinois, Laurence Faivre, Delphine Minot, Honorine Kayirangwa, Kim-Hanh Le Qang Sang, Nathalie Boddaert, Sophie Bayard, Didier Lacombe, Sébastien Moutton, Isabelle Touitou, Marlène Rio, Jeanne Amiel, Stanislas Lyonnet, Damien Sanlaville, Marie Christine Picot, David Geneviève
Kabuki syndrome (KS - OMIM 147920) is a rare developmental disease characterized by the association of multiple congenital anomalies and intellectual disability. This study aimed to investigate intellectual performance in children with Kabuki syndrome and link the performance to several clinical features and molecular data. We recruited 31 children with KMT2D mutations who were 6 to 16 years old. They all completed the Weschler Intelligence Scale for Children, fourth edition. We calculated all indexes: the Full Scale Intellectual Quotient (FSIQ), Verbal Comprehension Index (VCI), Perceptive Reasoning Index (PRI), Processing Speed Index (PSI), and Working Memory Index (WMI)...
March 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28293867/binding-specificity-of-r-10g-and-tra-1-60-81-and-substrate-specificity-of-keratanase-ii-studied-with-chemically-synthesized-oligosaccharides
#10
Hiromi Nakao, Yuko Nagai, Aya Kojima, Hidenao Toyoda, Nobuko Kawasaki, Toshisuke Kawasaki
Recently, we established a mouse monoclonal antibody specific to hiPS/ hES cells, R-10G, which recognizes a type of keratan sulfate. Keratan sulfates (KS) comprise a family of glycosaminoglycans consisting of the repeating unit of [Gal-GlcNAc(6S)]. However, there is a diversity in the degree of sulfation at Gal and GlcNAc residues, and also in the mode of linkage, Galβ1 - 3GlcNAc (type 1) or Galβ1 - 4GlcNAc (type 2). To gain more insight into the binding specificity of R-10G, we carried out an ELISA test on avidin-coated plates using polyethylene glycol (PEG)3-biotinylated derivatives of a series of N-acetyllactosamine tetrasaccharides (keratan sulfates (KSs))...
March 14, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28293627/integrating-mirna-and-mrna-expression-profiling-uncovers-mirnas-underlying-fat-deposition-in-sheep
#11
Guangxian Zhou, Xiaolong Wang, Chao Yuan, Danju Kang, Xiaochun Xu, Jiping Zhou, Rongqing Geng, Yuxin Yang, Zhaoxia Yang, Yulin Chen
MicroRNAs (miRNAs) are endogenous, noncoding RNAs that regulate various biological processes including adipogenesis and fat metabolism. Here, we adopted a deep sequencing approach to determine the identity and abundance of miRNAs involved in fat deposition in adipose tissues from fat-tailed (Kazakhstan sheep, KS) and thin-tailed (Tibetan sheep, TS) sheep breeds. By comparing HiSeq data of these two breeds, 539 miRNAs were shared in both breeds, whereas 179 and 97 miRNAs were uniquely expressed in KS and TS, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28293480/the-role-of-genes-intelligence-personality-and-social-engagement-in-cognitive-performance-in-klinefelter-syndrome
#12
Anne Skakkebæk, Philip J Moore, Anders Degn Pedersen, Anders Bojesen, Maria Krarup Kristensen, Jens Fedder, Peter Laurberg, Jens Michael Hertz, John Rosendahl Østergaard, Mikkel Wallentin, Claus Højbjerg Gravholt
INTRODUCTION: The determinants of cognitive deficits among individuals with Klinefelter syndrome (KS) are not well understood. This study was conducted to assess the impact of general intelligence, personality, and social engagement on cognitive performance among patients with KS and a group of controls matched for age and years of education. METHODS: Sixty-nine patients with KS and 69 controls were assessed in terms of IQ, NEO personality inventory, the Autism Spectrum Quotient (AQ) scale, and measures of cognitive performance reflecting working memory and executive function...
March 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28288847/increased-frequency-and-vasculogenic-potential-of-endothelial-colony-forming-cells-in-patients-with-kaposi-s-sarcoma
#13
Francesca Calcaterra, Lucia Brambilla, Elena Colombo, Athanasia Tourlaki, Stefano Veraldi, Claudia Carenza, Domenico Mavilio, Silvia Della Bella
Kaposi's sarcoma (KS) is characterized by hyperproliferation of spindle cells that have an endothelial origin and assume their characteristic features upon infection with human herpesvirus-8 (HHV8), the causative agent for KS. The multifocal nature of KS suggests that spindle cells derive from circulating HHV8-infected precursors that yet lack identification. We investigated whether ECFCs obtained from KS patients may be putative precursors of spindle cells, by assessing whether their in vitro behavior may evoke the in vivo behavior of KS spindle cells...
March 10, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28288525/acquired-immune-deficiency-syndrome-associated-kaposi-sarcoma-in-a-child-presenting-as-a-solitary-plantar-hyperkeratotic-plaque
#14
Pierre-Olivier Grenier, Isabelle Auger
BACKGROUND AND OBJECTIVE: Acquired immune deficiency syndrome (AIDS)-associated Kaposi sarcoma (KS) among the pediatric population is a rare entity in North America and Europe, and its cutaneous manifestations are not well defined in the literature. The investigators report the case of a boy with an AIDS-associated KS presenting as an infiltrated hyperkeratotic plaque of the plantar arch. METHODS AND RESULTS: An 11-year-old African boy with congenital human immunodeficiency virus (HIV) had a skin biopsy of the plantar lesion that was consistent with a KS...
March 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28288359/efficacy-of-wood-charcoal-and-its-modified-form-as-packing-media-for-biofiltration-of-isoprene
#15
Navnita Srivastva, Ram S Singh, Suresh K Dubey
The efficacy of wood charcoal (WC) and nutrient-enriched wood charcoal (NWC) as biofilter packing media were assessed for isoprene biodegradation in a bioreactor comprising bioscrubber and a biofilter connected in series and inoculated with Pseudomonas sp. The bioreactors using WC and NWC exhibited >90% removal efficiency and around 369 g m(-3) h(-1) elimination capacity at around 404 g m(-3) h(-1) inlet loading rate. In both the bioreactors, the biofilter component showed better degradation capacity compared to the bioscrubber unit...
March 10, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28287238/graphitic-carbon-coupled-poly-anthraquinone-for-proton-shuttle-flow-in-a-cell-application
#16
Selvam Mathi, Rudra Kumar, Rajaram K Nagarale, Ashutosh Sharma
Coupled electron and proton transport are an integral part of non-gassing electro-osmotic pumps (EOP). The kinetics of the electrode limits the kinetics of the electron transfer and hence the flow. This is observed in the present study with newly synthesized graphitic carbon covalently coupled to poly(anthraquinone) (PAQ). When EOP with identical electrodes were assembled, proton shuttle maintained the reversible flow, which was linearly dependent on the ks values. A Laviron plot was used to calculate the electron-transfer rate constant ks and transfer coefficient α, and their linear dependency on content of graphitic carbon was observed...
March 13, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28282713/treatment-of-an-early-kaposi-s-sarcoma-case-post-kidney-transplantation-by-sirolimus-a-case-report
#17
Farzaneh Najafi, Parichehr Kafaie, Hossein Neamatzadeh
Kaposi᾽s sarcoma (KS) can develop in 0.06% to 4.1% of kidney transplant recipients. Here we describe a case of 50-year-old man who developed KS a few months after kidney transplantation. After transplantation, he had delayed graft function and was managed by anti-thymocyte globulin (ATG) for five days. At the discharge, his immunosuppressive therapy was prednisolone 20 mg/day, tTacrolimus (Pprograf®) 4 mg/day, and mycophenolate mofetil (MMF) 2 gr/day, while he also took Vvalcyte and diltiazem. Once diagnosed with KS, the Prograf® (tacrolimus)  was replaced by prednisolone (5 mg/day) and sirolimus (2 mg/day)...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28281096/avoidance-biomass-and-survival-response-of-soil-dwelling-endogeic-earthworms-to-oecd-artificial-soil-potential-implications-for-earthworm-ecotoxicology
#18
C Brami, A R Glover, K R Butt, C N Lowe
Soil dwelling earthworms are now adopted more widely in ecotoxicology, so it is vital to establish if standardised test parameters remain applicable. The main aim of this study was to determine the influence of OECD artificial soil on selected soil-dwelling, endogeic earthworm species. In an initial experiment, biomass change in mature Allolobophora chlorotica was recorded in Standard OECD Artificial Soil (AS) and also in Kettering Loam (KL). In a second experiment, avoidance behaviour was recorded in a linear gradient with varying proportions of AS and KL (100% AS, 75% AS + 25% KL, 50% KS + 50% KL, 25% AS + 75% KL, 100% KL) with either A...
March 9, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28278769/biodegradation-of-phenol-in-batch-and-continuous-flow-microbial-fuel-cells-with-rod-and-granular-graphite-electrodes
#19
Lyman Moreno, Mehdi Nemati, Bernardo Predicala
Phenol biodegradation was evaluated in batch and continuous flow microbial fuel cells (MFCs). In batch-operated MFCs, biodegradation of 100-1000 mg L(-1) phenol was four to six times faster when graphite granules were used instead of rods (3.5-4.8 mg L(-1) h(-1) vs 0.5-0.9 mg L(-1) h(-1)). Similarly maximum phenol biodegradation rates in continuous MFCs with granular and single-rod electrodes were 11.5 and 0.8 mg L(-1) h(-1), respectively. This superior performance was also evident in terms of electrochemical outputs, whereby continuous flow MFCs with granular graphite electrodes achieved maximum current and power densities (3444...
March 3, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28275551/combination-of-klinefelter-syndrome-and-celiac-disease-a-case-report
#20
Ahmed Ramiz Baykan
Klinefelter syndrome (KS) is a chromosomal abnormality characterised by a 47, XXY karyotype associated with hypogonadism and infertility. We present a case of a 20-year-old patient who applied to our clinic because of growth deficiency and was concurrently diagnosed with Klinefelter syndrome and celiac disease.
September 2017: Molecular Genetics and Metabolism Reports
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