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https://www.readbyqxmd.com/read/27915479/trends-in-next-generation-sequencing-and-a-new-era-for-whole-genome-sequencing
#1
REVIEW
Sang Tae Park, Jayoung Kim
This article is a mini-review that provides a general overview for next-generation sequencing (NGS) and introduces one of the most popular NGS applications, whole genome sequencing (WGS), developed from the expansion of human genomics. NGS technology has brought massively high throughput sequencing data to bear on research questions, enabling a new era of genomic research. Development of bioinformatic software for NGS has provided more opportunities for researchers to use various applications in genomic fields...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915466/impedance-and-admittance-control-for-respiratory-motion-compensation-during-robotic-needle-insertion-a-preliminary-test
#2
Yeoun Jae Kim, Jong Hyun Seo, Hong Rae Kim, Kwang Gi Kim
BACKGROUND: Many robotic needle-biopsy systems have been developed to enhance the accuracy of needle-biopsy intervention. These systems can reduce the intervention time and the radiation exposure of clinicians. However, respiratory-motion compensation is needed to ensure the accuracy and efficiency of needle biopsy intervention. METHODS: Human respiratory-motion data were acquired using three inertial measurement units (IMUs), and respiratory motion was simulated using the Stewart-Gough platform...
December 4, 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/27915430/protection-zone-in-a-diffusive-predator-prey-model-with-beddington-deangelis-functional-response
#3
Xiao He, Sining Zheng
In any reaction-diffusion system of predator-prey models, the population densities of species are determined by the interactions between them, together with the influences from the spatial environments surrounding them. Generally, the prey species would die out when their birth rate is too low, the habitat size is too small, the predator grows too fast, or the predation pressure is too high. To save the endangered prey species, some human interference is useful, such as creating a protection zone where the prey could cross the boundary freely but the predator is prohibited from entering...
December 3, 2016: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/27915415/exendin-4-protects-huvecs-from-tunicamycin-induced-apoptosis-via-inhibiting-the-ire1a-jnk-caspase-3-pathway
#4
Li Wu, XiaoYing Liu, LinXi Wang, YanPing Wang, LiJing Wang, BinBin Guan, Zhou Chen, LiBin Liu
PURPOSE: The abnormal increase of apoptosis of endothelial cells induced by endoplasmic reticulum stress is a significant factor for vascular disease, especially for atherosclerosis. Protecting endothelial cells from endoplasmic reticulum stress is a crucial strategies to combate these diseases. The goal of this study was to explore the effect of Exendin-4, a glucagon-like peptide-1 receptor agonist, on tunicamycin-induced apoptosis in human umbilical vein endothelial cells. METHODS: All studies were performed in primary human umbilical vein endothelial cells treated with tunicamycin with or without Exendin-4 pretreatment...
December 3, 2016: Endocrine
https://www.readbyqxmd.com/read/27915403/a-simple-approach-for-the-development-of-urban-climatic-maps-based-on-the-urban-characteristics-in-tainan-taiwan
#5
Yu-Cheng Chen, Tzu-Ping Lin, Chien-Ting Lin
Motivated by the increasing thermal load in urban environment, this work established Urban Climatic map (UCmap) focusing on thermal environment issues based on urban development factors, e.g., land cover and building characteristics, representing thermal load of human body and ventilation path in the urban structures. In the established process of UCmap in this work, Tainan city, which is a highly developed city in southern Taiwan, is selected as the research area. A 50-m resolution grid is used to capture urban development factors and the climate data based on 1 year of mobile and fix-point measurements, from which the thermal load and the wind environment map are constructed...
December 3, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27915387/the-translational-potential-of-human%C3%A2-induced-pluripotent-stem-cells-for-clinical-neurology-the-translational-potential-of-hipscs-in-neurology
#6
REVIEW
Helen Devine, Rickie Patani
The induced pluripotent state represents a decade-old Nobel prize-winning discovery. Human-induced pluripotent stem cells (hiPSCs) are generated by the nuclear reprogramming of any somatic cell using a variety of established but evolving methods. This approach offers medical science unparalleled experimental opportunity to model an individual patient's disease "in a dish." HiPSCs permit developmentally rationalized directed differentiation into any cell type, which express donor cell mutation(s) at pathophysiological levels and thus hold considerable potential for disease modeling, drug discovery, and potentially cell-based therapies...
December 3, 2016: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/27915383/a-covalent-antagonist-for-the-human-adenosine-a2a-receptor
#7
Xue Yang, Guo Dong, Thomas J M Michiels, Eelke B Lenselink, Laura Heitman, Julien Louvel, Ad P IJzerman
The structure of the human A2A adenosine receptor has been elucidated by X-ray crystallography with a high affinity non-xanthine antagonist, ZM241385, bound to it. This template molecule served as a starting point for the incorporation of reactive moieties that cause the ligand to covalently bind to the receptor. In particular, we incorporated a fluorosulfonyl moiety onto ZM241385, which yielded LUF7445 (4-((3-((7-amino-2-(furan-2-yl)-[1, 2, 4]triazolo[1,5-a][1, 3, 5]triazin-5-yl)amino)propyl)carbamoyl)benzene sulfonyl fluoride)...
December 3, 2016: Purinergic Signalling
https://www.readbyqxmd.com/read/27915380/proteins-interacting-with-crea-and-creb-in-the-carbon-catabolite-repression-network-in-aspergillus-nidulans
#8
Md Ashiqul Alam, Joan M Kelly
In Aspergillus nidulans, carbon catabolite repression (CCR) is mediated by the global repressor protein CreA. The deubiquitinating enzyme CreB is a component of the CCR network. Genetic interaction was confirmed using a strain containing complete loss-of-function alleles of both creA and creB. No direct physical interaction was identified between tagged versions of CreA and CreB. To identify any possible protein(s) that may form a bridge between CreA and CreB, we purified both proteins from mycelia grown in media that result in repression or derepression...
December 3, 2016: Current Genetics
https://www.readbyqxmd.com/read/27915378/mother-infant-interactions-and-regional-brain-volumes-in-infancy-an-mri-study
#9
Vaheshta Sethna, Inês Pote, Siying Wang, Maria Gudbrandsen, Anna Blasi, Caroline McCusker, Eileen Daly, Emily Perry, Kerrie P H Adams, Maria Kuklisova-Murgasova, Paula Busuulwa, Sarah Lloyd-Fox, Lynne Murray, Mark H Johnson, Steven C R Williams, Declan G M Murphy, Michael C Craig, Grainne M McAlonan
It is generally agreed that the human brain is responsive to environmental influences, and that the male brain may be particularly sensitive to early adversity. However, this is largely based on retrospective studies of older children and adolescents exposed to extreme environments in childhood. Less is understood about how normative variations in parent-child interactions are associated with the development of the infant brain in typical settings. To address this, we used magnetic resonance imaging to investigate the relationship between observational measures of mother-infant interactions and regional brain volumes in a community sample of 3- to 6-month-old infants (N = 39)...
December 3, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27915352/baseline-characteristics-and-gender-differences-in-prepubertal-children-treated-with-growth-hormone-in-europe-usa-and-japan-25-years-kigs%C3%A2-experience-1987-2012-and-review
#10
Michael B Ranke, Anders Lindberg, Toshiaki Tanaka, Cecilia Camacho-Hübner, David B Dunger, Mitchell E Geffner
BACKGROUND: Information about disease-specific and gender-associated differences over longer time of short children treated with recombinant human growth hormone is missing. METHODS: We analyzed data at growth hormone (GH) start in prepubertal children diagnosed with idiopathic GH deficiency (IGHD), congenital GHD, acquired GHD, idiopathic short stature (ISS), and born small for gestational age (SGA) enrolled (1987-2012) in the Pfizer International Growth Study (KIGS®) from Europe, USA, and Japan...
December 3, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27915346/mir-181a-targets-phlpp2-to-augment-akt-signaling-and-regulate-proliferation-and-apoptosis-in-human-keloid-fibroblasts
#11
Zhen Rang, Zong-Yang Wang, Qiu-Yu Pang, You-Wei Wang, Ge Yang, Fan Cui
BACKGROUND/AIMS: Keloids are fibrous overgrowths induced by cutaneous injury. MicroRNAs (miRNAs) have recently emerged as post-transcriptional gene repressors and participants in a diverse array of pathophysiological processes leading to skin disease. The purpose of the current study was to explore the precise functions of miR-181a in human keloid development and the underlying mechanisms. METHODS: A miRNA microarray analysis was performed to compare expression profiles between keloid and normal skin tissues...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915342/in-vitro-effects-of-has-2-gene-silencing-on-the-proliferation-and-apoptosis-of-the-mcf-7-human-breast-cancer-cell-line
#12
Hong-Yan Zhang, Feng Liang, Fei Wang, Jian-Wei Zhang, Li Wang, Xi-Gang Kang, Jie Wang, Qi-Liu Duan
BACKGROUND: Breast cancer is characterized by a distinct metastatic pattern involving the regional lymph nodes, bone marrow, lung and liver. This study is aimed to investigate the effects of silencing the HAS-2 gene on the proliferation and apoptosis of human breast cancer cells. METHODS: MCF-7 cells were collected and assigned into control, scrambled siRNA and HAS-2- siRNA groups. After transfection, the morphological changes in the MCF-7 cells were observed using phase contrast microscopy...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915333/prss8-is-downregulated-and-suppresses-tumour-growth-and-metastases-in-hepatocellular-carcinoma
#13
Li Zhang, Guozhan Jia, Binya Shi, Guanqun Ge, Hongbin Duan, Yunsheng Yang
BACKGROUND: Protease serine 8 (PRSS8), a trypsin-like serine peptidase, has been shown to function as a tumour suppressor in various malignancies. The present study aimed to investigate the expression pattern, prognostic value and the biological role of PRSS8 in human hepatocellular carcinoma (HCC). METHODS: PRSS8 expression in 106 HCC surgical specimens was examined by Real-time polymerase chain reaction (PCR) and immunohistochemistry, and its clinical significance was analysed...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915330/mechanism-of-sex-determination-in-humans-insights-from-disorders-of-sex-development
#14
Anu Bashamboo, Ken McElreavey
In this review we will consider the gene mutations responsible for the non-syndromic forms of disorders of sex development (DSD) and how recent genetic findings are providing insights into the mechanism of sex determination. High-throughput sequencing technologies are having a major impact on our understanding of the genetic basis of rare human disorders, including DSD. The study of human DSD is progressively revealing subtle differences in the genetics of the sex-determining system between the mouse and the human...
December 3, 2016: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/27915307/diversity-and-antifungal-drug-susceptibility-of-cryptococcus-isolates-in-thailand
#15
Navaporn Worasilchai, Marut Tangwattanachuleeporn, Kornvalee Meesilpavikkai, Claudia Folba, Mourine Kangogo, Uwe Groß, Michael Weig, Oliver Bader, Ariya Chindamporn
Yeasts of the Cryptococcus species complex are the causative agent of cryptococcosis, especially in human immunodeficiency virus (HIV) positive individuals. Cerebral or disseminated cryptococcosis has a very high mortality rate worldwide, including in Thailand. Additionally, an increasing rate of antifungal drug resistant cryptococcal isolates has been reported in several neighboring countries, complicating therapeutic approaches. To understand the situation of this infection in Thailand, we retrospectively investigated the molecular epidemiology and antifungal drug resistance in a collection of 74 clinical, 52 environmental and two veterinary isolates using the URA5-RFLP for typing and the EUCAST guideline for susceptibility testing...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915305/dna-barcoding-coupled-with-high-resolution-melting-analysis-enables-rapid-and-accurate-distinction-of-aspergillus-species
#16
Gabor Fidler, Sandor Kocsube, Eva Leiter, Sandor Biro, Melinda Paholcsek
We describe a high-resolution melting (HRM) analysis method that is rapid, reproducible, and able to identify reference strains and further 40 clinical isolates of Aspergillus fumigatus (14), A. lentulus (3), A. terreus (7), A. flavus (8), A. niger (2), A. welwitschiae (4), and A. tubingensis (2). Asp1 and Asp2 primer sets were designed to amplify partial sequences of the Aspergillus benA (beta-tubulin) genes in a closed-, single-tube system. Human placenta DNA, further Aspergillus (3), Candida (9), Fusarium (6), and Scedosporium (2) nucleic acids from type strains and clinical isolates were also included in this study to evaluate cross reactivity with other relevant pathogens causing invasive fungal infections...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915303/candida-species-isolated-from-different-body-sites-and-their-antifungal-susceptibility-pattern-cross-analysis-of-candida-albicans-and-candida-glabrata-biofilms
#17
Valentina Cataldi, Emanuela Di Campli, Paolo Fazii, Tonino Traini, Luigina Cellini, Mara Di Giulio
Candida species are regular commensal in humans, but-especially in immunocompromised patients-they represent opportunistic pathogens giving rise to systemic infection. The aim of the present work was to isolate and characterize for their antifungal profile Candida species from different body sites and to analyze the biofilms produced by C. albicans and C. glabrata isolates. Eighty-one strains of Candida species from 77 patients were identified. Epidemiological study showed that the most isolated species were C...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915299/cathelicidin-ll-37-level-in-the-scalp-hair-of-patients-with-tinea-capitis
#18
Nagwa H Abdelaal, Laila A Rashed, Sahar Y Ibrahim, Mona H Abd El Halim, Noha Ghoneim, Noha A Saleh, Marwah A Saleh
Antimicrobial peptides (AMPs) are considered an important first line of defense against pathogens. Cathelicidin LL-37 was upregulated in response to fungal infection. In this work we aimed to evaluate cathelicidin LL-37 in the hair of tinea capitis and compare it to normal controls. Hair samples were collected from 30 children and 30 controls aged from 2 to10 years old, and the level of cathelicidin LL-37 in the hair was detected by quantitative real-time PCR. The 30 patients were further subdivided into three subgroups according to their clinical type...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915293/molecular-mechanism-of-divalent-metal-induced-activation-of-ns3-helicase-and-insights-into-zika-virus-inhibitor-design
#19
Xiaocong Cao, Yajuan Li, Xiangyu Jin, Yuelong Li, Feng Guo, Tengchuan Jin
Zika virus has attracted increasing attention because of its potential for causing human neural disorders, including microcephaly in infants and Guillain-Barré syndrome. Its NS3 helicase domain plays critical roles in NTP-dependent RNA unwinding and translocation during viral replication. Our structural analysis revealed a pre-activation state of NS3 helicase in complex with GTPγS, in which the triphosphate adopts a compact conformation in the absence of any divalent metal ions. In contrast, in the presence of a divalent cation, GTPγS adopts an extended conformation, and the Walker A motif undergoes substantial conformational changes...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27915273/altered-mirna-expression-in-high-fat-diet-induced-prostate-cancer-progression
#20
Taketoshi Nara, Shintaro Narita, Huang Mingguo, Toshiaki Yoshioka, Atsushi Koizumi, Kazuyuki Numakura, Hiroshi Tsuruta, Atsushi Maeno, Mitsuru Saito, Takamitsu Inoue, Norihiko Tsuchiya, Shigeru Satoh, Tomonori Habuchi
Recent evidence suggests that a high-fat diet (HFD) plays an important role in prostate carcinogenesis; however, underlying mechanisms largely remain unknown. Here, we investigated microRNA (miRNA) expression changes in murine prostate cancer (PCa) xenografts using two different diets: HFD and control diet. We then assessed the roles and targets of altered miRNAs in HFD-induced PCa progression. We identified 38 up- and 21 downregulated miRNAs in xenografts under HFD conditions using the miRCURY LNA™ microRNA array...
December 2016: Carcinogenesis
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