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https://www.readbyqxmd.com/read/28934716/automatic-detection-of-micronuclei-by-cell-microscopic-image-processing
#1
Mohammad Taghi Bahreyni Toossi, Hosein Azimian, Omid Sarrafzadeh, Shokoufeh Mohebbi, Shokouhozaman Soleymanifard
With the development and applications of ionizing radiation in medicine, the radiation effects on human health get more and more attention. Ionizing radiation can lead to various forms of cytogenetic damage, including increased frequencies of micronuclei (MNi) and chromosome abnormalities. The cytokinesis block micronucleus (CBMN) assay is widely used method for measuring MNi to determine chromosome mutations or genome instability in cultured human lymphocytes. The visual scoring of MNi is time-consuming and scorer fatigue can lead to inconsistency...
August 12, 2017: Mutation Research
https://www.readbyqxmd.com/read/28934668/diabetes-mellitus-increased-all-cause-mortality-rate-among-newly-diagnosed-tuberculosis-patients-in-an-asian-population-a-nationwide-population-based-study
#2
Po-Yen Ko, Shi-Dou Lin, Ming-Chia Hsieh, Yu-Cheng Chen
AIMS: To investigate the effect of diabetes mellitus (DM) on all-cause mortality among patients with newly-diagnosed tuberculosis (TB) in an Asian population. We also identified risk factors for mortality in these patients. METHODS: The data were obtained from the National Health Insurance Research Database and included 9831 newly-diagnosed TB individuals and 1627 TB mortality cases in the period of 2000-2010. The mortality data were divided into a DM group and a non-DM group...
September 1, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28934536/glomus-tumor-of-the-sciatic-nerve-an-extraspinal-cause-of-sciatica
#3
Basilia Onyinyechukwu Nwankwo, Robert M Henshaw, Dhruv Kumar
Glomus tumors are small, benign tumors that arise from glomus bodies, structures found normally within the dermis that assist in temperature regulation via their vasoconstrictive response to sympathetic stimuli. Glomus tumors are found typically in the hand and are classically a cause of focal pain and temperature sensitivity. They often present as a small blue lesion seen under the nail bed of a finger or a toe and cause point tenderness. Glomus tumors of peripheral nerves are exceedingly rare and can lead to disability akin to compressive neuropathy when present...
September 21, 2017: Orthopedics
https://www.readbyqxmd.com/read/28934507/a-comprehensive-cell-specific-microrna-catalogue-of-human-peripheral-blood
#4
Simonas Juzenas, Geetha Venkatesh, Matthias Hübenthal, Marc P Hoeppner, Zhipei Gracie Du, Maren Paulsen, Philip Rosenstiel, Philipp Senger, Martin Hofmann-Apitius, Andreas Keller, Limas Kupcinskas, Andre Franke, Georg Hemmrich-Stanisak
With this study, we provide a comprehensive reference dataset of detailed miRNA expression profiles from seven types of human peripheral blood cells (NK cells, B lymphocytes, cytotoxic T lymphocytes, T helper cells, monocytes, neutrophils and erythrocytes), serum, exosomes and whole blood. The peripheral blood cells from buffy coats were typed and sorted using FACS/MACS. The overall dataset was generated from 450 small RNA libraries using high-throughput sequencing. By employing a comprehensive bioinformatics and statistical analysis, we show that 3' trimming modifications as well as composition of 3' added non-templated nucleotides are distributed in a lineage-specific manner-the closer the hematopoietic progenitors are, the higher their similarities in sequence variation of the 3' end...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934438/placental-but-not-peripheral-plasmodium-falciparum-infection-during-pregnancy-is-associated-with-increased-risk-of-malaria-in-infancy
#5
Sarah Boudová, Titus Divala, Randy Mungwira, Patricia Mawindo, Tamiwe Tomoka, Miriam K Laufer
Pregnancy-associated Plasmodium falciparum infection impacts the health of mothers and newborns, but little is known about the effects of these infections on infant susceptibility to malaria. We followed 473 mother-infant pairs during pregnancy and through 2 years of age. We observed that children born to mothers with placental malaria, but not those born to mothers with peripheral infection without evidence of placental sequestration, had increased risk of malaria during the first year of life compared with children born to mothers with no malaria during pregnancy...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934394/microrna-455-3p-as-a-potential-peripheral-biomarker-for-alzheimer-s-disease
#6
Subodh Kumar, Murali Vijayan, P Hemachandra Reddy
The purpose of our study was to identify microRNAs (miRNAs) as early detectable peripheral biomarkers in Alzheimer's disease (AD). To achieve our objective, we assessed miRNAs in serum samples from AD patients and Mild cognitive impairment (MCI) subjects relative to healthy controls. We used Affymetrix microarray analysis and validated differentially expressed miRNAs using qRT-PCR. We further validated miRNA data using AD postmortem brains, amyloid precursor protein transgenic mice and AD cell lines. We identified a gradual upregulation of four miRNAs: miR-455-3p, miR-4668-5p, miR-3613-3p and miR-4674...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934388/loss-of-slc25a46-causes-neurodegeneration-by-affecting-mitochondrial-dynamics-and-energy-production-in-mice
#7
Zhuo Li, Yanyan Peng, Robert B Hufnagel, Yueh-Chiang Hu, Chuntao Zhao, Luis F Queme, Zaza Khuchua, Ashley M Driver, Fei Dong, Q Richard Lu, Diana M Lindquist, Michael P Jankowski, Rolf W Stottmann, Winston W Y Kao, Taosheng Huang
Recently, we identified biallelic mutations of SLC25A46 in patients with multiple neuropathies. Functional studies revealed that SLC25A46 may play an important role in mitochondrial dynamics by mediating mitochondrial fission. However, the cellular basis and pathogenic mechanism of the SLC25A46-related neuropathies are not fully understood. Thus, we generated a Slc25a46 knock-out mouse model. Mice lacking SLC25A46 displayed severe ataxia, mainly caused by degeneration of Purkinje cells. Increased numbers of small, unmyelinated and degenerated optic nerves as well as loss of retinal ganglion cells indicated optic atrophy...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934386/expression-of-the-neuropathy-associated-mtmr2-gene-rescues-mtm1-associated-myopathy
#8
Matthieu A Raess, Belinda S Cowling, Dimitri L Bertazzi, Christine Kretz, Bruno Rinaldi, Jean-Marie Xuereb, Pascal Kessler, Norma B Romero, Bernard Payrastre, Sylvie Friant, Jocelyn Laporte
Myotubularins (MTMs) are active or dead phosphoinositides phosphatases defining a large protein family conserved through evolution and implicated in different neuromuscular diseases. Loss-of-function mutations in MTM1 cause the severe congenital myopathy called myotubular myopathy (or X-linked centronuclear myopathy) while mutations in the MTM1-related protein MTMR2 cause a recessive Charcot-Marie-Tooth peripheral neuropathy. Here we aimed to determine the functional specificity and redundancy of MTM1 and MTMR2, and to assess their abilities to compensate for a potential therapeutic strategy...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934368/a-single-danio-rerio-hars-gene-encodes-both-cytoplasmic-and-mitochondrial-histidyl-trna-synthetases
#9
Ashley L Waldron, Sara Helms Cahan, Christopher S Franklyn, Alicia M Ebert
Histidyl tRNA Synthetase (HARS) is a member of the aminoacyl tRNA synthetase (ARS) family of enzymes. This family of 20 enzymes is responsible for attaching specific amino acids to their cognate tRNA molecules, a critical step in protein synthesis. However, recent work highlighting a growing number of associations between ARS genes and diverse human diseases raises the possibility of new and unexpected functions in this ancient enzyme family. For example, mutations in HARS have been linked to two different neurological disorders, Usher Syndrome Type IIIB and Charcot Marie Tooth peripheral neuropathy...
2017: PloS One
https://www.readbyqxmd.com/read/28933964/identification-of-novel-spg11-mutations-in-a-cohort-of-chinese-families-with-hereditary-spastic-paraplegia
#10
Juan Du, Ya-Cen Hu, Bei-Sha Tang, Hong Jiang, Lu Shen
Hereditary spastic paraplegia (HSP) is a group of clinically and genetically heterogeneous neurological diseases. To date, studies about Chinese ARHSP have been small and limited to single case. To fill this gap, we have scanned the whole exons of KIAA1840, ZFYVE26, SPG7 and CYP7B1 genes in a group of 36 unrelated ARHSP families, which is the first study conducted to investigate the mutation frequency of these ARHSP types in China. Finally, SPG11 mutations are found in 33.33% (12/36) of ARHSP patients in our study, and no mutation was identified in SPG15, SPG5 or SPG7 genes...
September 21, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28933916/isolated-peripheral-pulmonary-artery-hypoplasia-in-adulthood-presented-with-occasional-hemoptysis
#11
Yan Li, Kefeng Zhou, Jinghong Dai, Haijian Fan, Le Cheng, Xuebin Zhang, Hourong Cai
No abstract text is available yet for this article.
September 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28933746/evaluation-of-novel-dual-acetyl-and-butyrylcholinesterase-inhibitors-as-potential-anti-alzheimer-s-disease-agents-using-pharmacophore-3d-qsar-and-molecular-docking-approaches
#12
Xiaocong Pang, Hui Fu, Shilun Yang, Lin Wang, Ai-Lin Liu, Song Wu, Guan-Hua Du
DL0410, containing biphenyl and piperidine skeletons, was identified as an acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibitor through high-throughput screening assays, and further studies affirmed its efficacy and safety for Alzheimer's disease treatment. In our study, a series of novel DL0410 derivatives were evaluated for inhibitory activities towards AChE and BuChE. Among these derivatives, compounds 6-1 and 7-6 showed stronger AChE and BuChE inhibitory activities than DL0410. Then, pharmacophore modeling and three-dimensional quantitative structure activity relationship (3D-QSAR) models were performed...
July 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28933662/deficiency-of-serotonin-in-raphe-neurons-and-altered-behavioral-responses-in-tryptophan-hydroxylase-2-knockout-medaka-oryzias-latipes
#13
Satoshi Ansai, Hiroshi Hosokawa, Shingo Maegawa, Kiyoshi Naruse, Youhei Washio, Kenji Sato, Masato Kinoshita
Serotonin (5-hydroxytryptamine [5-HT]) is a bioactive monoamine that acts as a neurotransmitter in the central and peripheral nervous system of animals. Teleost fish species have serotonergic neurons in the raphe nuclei of the brainstem; however, the role of 5-HT in the raphe neurons in teleost fish remains largely unknown. Here, we established a medaka (Oryzias latipes) strain with targeted disruption of tryptophan hydroxylase 2 (tph2) gene that is involved in the 5-HT synthesis in the raphe nuclei. Immunohistochemistry and mass spectrometry analysis revealed that the homozygous mutants (tph2(Δ13/Δ13)) lacked the ability to synthesize 5-HT in the raphe neurons...
September 21, 2017: Zebrafish
https://www.readbyqxmd.com/read/28933632/influence-of-light-and-food-on-the-circadian-clock-in-liver-of-rainbow-trout-oncorhynchus-mykiss
#14
Juan Hernández-Pérez, Jesús M Míguez, Fatemeh Naderi, José L Soengas, Marcos A López-Patiño
Several reports support the existence of multiple peripheral oscillators in fish, which may be able to modulate the rhythmic functions developed by those tissues hosting them. Thus, a circadian oscillator has been proposed to be located within fish liver. In this vertebrate group, the role played by the circadian system in regulating metabolic processes in liver is mostly unknown. We, therefore investigated the liver of rainbow trout (Oncorhynchus mykiss) as a potential element participating in the regulation of circadian rhythms in fish by hosting a functional circadian oscillator...
September 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28933522/drug-coated-balloons-in-the-superficial-femoral-artery
#15
Oliver Schlager, Michael E Gschwandtner, Andrea Willfort-Ehringer, Florian Wolf, Christian Loewe, Renate Koppensteiner, Michael Lichtenberg
Despite the progress in endovascular treatment of patients with peripheral arterial disease, restenosis remains the major drawback, especially in patients with femoropopliteal lesions. To reduce neointimal proliferation and subsequent restenosis the use of antiproliferative drug eluting devices was implemented in the endovascular treatment of femoropopliteal disease. Aiming to use the favorable effects of these antiproliferative agents and to reduce foreign body exposure in affected arteries, drug coated balloons (DCB) have been developed...
September 20, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28933520/anticoagulation-and-antiplatelet-therapy-in-patients-with-peripheral-arterial-disease-of-the-femoro-popliteal-arteries
#16
Cornelis G Vos, Anco Vahl
Peripheral arterial disease (PAD) is associated with a substantial cardiovascular risk and secondary prevention is recommended for all patients. In this report the literature on anticoagulant and antiplatelet drugs for patients with PAD in the femoro-popliteal segment is reviewed. PubMED/MEDLINE and Cochrane Database was searched for studies published between January 1966 and August 2017. Meta-analyses and randomized controlled trials describing outcome of anticoagulants or antiplatelet drugs for secondary prevention or following vascular interventions in patients with PAD were included...
September 20, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28933509/-targeting-the-skin-erythema-multiforme-in-dogs-and-cats
#17
Ralf Mueller, Teresa M S A Boehm, Christoph J Klinger, Laura Udraite, Ralf S Mueller
This review article will describe the complex nature of erythema multiforme in dogs and cats. The disease pattern will be illustrated in terms of etiology, pathogenesis, clinical signs, diagnostics and therapy. Erythema multiforme is a rare, immune-mediated skin disorder with an acute specific reaction pattern of skin and mucous membranes against different underlying causes. Reported triggering factors include drugs, food ingredients and neoplasias, but viral or bacterial infections and vaccine reactions were also identified...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28933485/synthesis-characterization-and-catalytic-epoxidation-properties-of-lanthanide-stabilized-peroxoisopolytungstates
#18
Jipeng Guo, Yanjun Niu, Lanying Song, Qiaofei Xu, Jingkun Lu, Pengtao Ma, Dongdi Zhang, Chao Zhang, Jingyang Niu, Jingping Wang
A series of new lanthanide-containing peroxoisopolyoxotungstates, K6Na4[H32{Ln4(WO4)(H2O)16[W7O22(O2)2]4}3]·105H2O [Ln = Ce(III) (1), Nd(III) (2), Sm(III) (3), Tb(III) (4), Er(III) (5)], have been successfully synthesized and structurally characterized. All polyanions [Ln(WO4)(H2O)16{W7O22(O2)2}4](14-) are isostructural and consist of a central [Ln(WO4)(H2O)16](10+) cluster surrounded by four peripheral [W7O22(O2)2](6-) units. They could act as efficient recyclable catalysts for the epoxidation of various alkenes including different cycloalkenes, styrene derivatives, internal and long-chain alkenes...
September 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28933481/bowl-shaped-deformation-in-a-planar-aromatic-polycycle-upon-reduction-li-and-na-separated-dianions-of-the-aromatic-polycycle-5-6-11-12-di-o-phenylene-tetracene
#19
T Wombacher, R Goddard, C W Lehmann, J J Schneider
Herein we report the synthesis and crystal structures of three light alkali metal salts of the dianion of the polycyclic aromatic hydrocarbon 5,6:11,12-di-o-phenylenetetracene (LDOPT). The compounds are obtained by reaction of LDOPT with an excess of lithium or sodium metal in different O-donor solvents (DME, diglyme) and crystallize as naked, solvated-cation separated dianions exhibiting no interaction between the alkali metal ion and the aromatic π-system of LDOPT. Depending on the aprotic etheral solvent and the hardness of the alkaline metal agent a significant structural perturbation of the conjugated carbon framework of LDOPT is observed resulting in a bowl shaped curvature of the anionic π-perimeter, in contrast to its fully planar neutral state...
September 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28933414/association-between-low-serum-bicarbonate-concentrations-and-cardiovascular-disease-in-patients-in-the-end-stage-of-renal-disease
#20
Vaia D Raikou, Despina Kyriaki
BACKGROUND: Metabolic acidosis, a common condition particularly in the end-stage of renal disease patients, results in malnutrition, inflammation and oxidative stress. In this study, we focused on the association between low serum bicarbonate and cardiovascular disease in patients on intermittent dialysis. METHODS: We studied 52 on-line-pre-dilution hemodiafiltration (on-l HDF) patients, 32 males and 20 females, with a mean age of 58.01 ± 15.4 years old. Metabolic acidosis was determined by serum bicarbonate concentrations less than 22 mmol/L...
November 15, 2016: Diseases (Basel)
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