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https://www.readbyqxmd.com/read/28228922/parasitic-gregarine-blattarum-found-infecting-american-cockroaches-periplaneta-americana-in-a-population-in-pulau-pinang-malaysia
#1
Zary Shariman Yahaya, Nik Ahmad Irwan Izzaudin, Ainul Farhana Abdul Razak
A study on the prevalence of a common endoparasite in the wild population of the American cockroach was conducted in Penang Island using a trapping method at several sampling sites on the island. Gregarine blattarum was found in the digestive tract in 5 out of 115, or 4.35%, of the wild American cockroaches, Periplaneta americana, that were sampled. This is the first report in Malaysia of Gregarine blattarum in local American cockroaches.
January 2017: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/28213318/efficacy-of-fungal-and-bacterial-antagonists-for-controlling-growth-fum1-gene-expression-and-fumonisin-b1-production-by-fusarium-verticillioides-on-maize-cobs-of-different-ripening-stages
#2
Nik Iskandar Putra Samsudin, Alicia Rodriguez, Angel Medina, Naresh Magan
This study was carried out to examine the efficacy of two biocontrol agents (Clonostachys rosea 016, BCA1; Gram-negative bacterium, BCA5) for control of FUM1 gene expression and fumonisin B1 (FB1) production by F. verticillioides FV1 on maize cobs of different ripening stages: R3, Milk (0.985 aw); R4, Dough (0.976 aw); R5, Dent (0.958 aw). Initially, temporal studies on FUM1 gene expression and FB1 production were performed on maize kernels for up to 14days. This revealed that day 10 was optimum for both parameters, and was used in the biocontrol studies...
February 9, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28208036/streptococcus-pyogenes-pericarditis-in-a-healthy-adult-a-common-organism-in-an-uncommon-site
#3
Lauren C Giudicatti, Gar-Hing Lee, Claire Italiano, Nik Stoyanov
No abstract text is available yet for this article.
February 20, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28193317/identification-of-differentially-expressed-placental-transcripts-during-multiple-gestations-in-the-eurasian-beaver-castor-fiber-l
#4
A Lipka, L Paukszto, M Majewska, J P Jastrzebski, K Myszczynski, G Panasiewicz, B Szafranska
The Eurasian beaver is one of the largest rodents that, despite its high impact on the environment, is a non-model species that lacks a reference genome. Characterising genes critical for pregnancy outcome can serve as a basis for identifying mechanisms underlying effective reproduction, which is required for the success of endangered species conservation programs. In the present study, high-throughput RNA sequencing (RNA-seq) was used to analyse global changes in the Castor fiber subplacenta transcriptome during multiple pregnancy...
February 14, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28191871/distinct-modes-of-smad2-chromatin-binding-and-remodeling-shape-the-transcriptional-response-to-nodal-activin-signaling
#5
Davide M Coda, Tessa Gaarenstroom, Philip East, Harshil Patel, Daniel S J Miller, Anna Lobley, Nik Matthews, Aengus Stewart, Caroline S Hill
NODAL/Activin signaling orchestrates key processes during embryonic development via SMAD2. How SMAD2 activates programs of gene expression that are modulated over time however, is not known. Here we delineate the sequence of events that occur from SMAD2 binding to transcriptional activation, and the mechanisms underlying them. NODAL/Activin signaling induces dramatic chromatin landscape changes, and a dynamic transcriptional network regulated by SMAD2, acting via multiple mechanisms. Crucially we have discovered two modes of SMAD2 binding...
February 13, 2017: ELife
https://www.readbyqxmd.com/read/28187360/de-novo-assembly-of-the-ringed-seal-pusa-hispida-blubber-transcriptome-a-tool-that-enables-identification-of-molecular-health-indicators-associated-with-pcb-exposure
#6
Tanya M Brown, S Austin Hammond, Bahar Behsaz, Nik Veldhoen, Inanç Birol, Caren C Helbing
The ringed seal, Pusa hispida, is a keystone species in the Arctic marine ecosystem, and is proving a useful marine mammal for linking polychlorinated biphenyl (PCB) exposure to toxic injury. We report here the first de novo assembled transcriptome for the ringed seal (342,863 transcripts, of which 53% were annotated), which we then applied to a population of ringed seals exposed to a local PCB source in Arctic Labrador, Canada. We found an indication of energy metabolism imbalance in local ringed seals (n=4), and identified five significant gene transcript targets: plasminogen receptor (Plg-R(KT)), solute carrier family 25 member 43 receptor (Slc25a43), ankyrin repeat domain-containing protein 26-like receptor (Ankrd26), HIS30 (not yet annotated) and HIS16 (not yet annotated) that may represent indicators of PCB exposure and effects in marine mammals...
February 3, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28184328/frequency-of-candidiasis-and-colonization-of-candida-albicans-in-relation-to-oral-contraceptive-pills
#7
Atousa Aminzadeh, Ali Sabeti Sanat, Saeed Nik Akhtar
BACKGROUND: Candidiasis, the infection caused by Candida albicans, is one of the most common infections of the oral cavity in humans. Candidiasis causes irritation and is known for its carcinogenic effects. Thus, it is important to recognize the predisposing factors for this opportunistic infection. Several previous studies have demonstrated an increased frequency of vaginal candidiasis in relation to oral contraceptive consumption. OBJECTIVES: Only a few studies on the relation between oral contraceptives and oral candidiasis have been previously conducted...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28182308/mr-enterography-in-nonresponsive-adult-celiac-disease-correlation-with-endoscopic-pathologic-serologic-and-genetic-features
#8
Amir Reza Radmard, Amir Pejman Hashemi Taheri, Elham Salehian Nik, Soheil Kooraki, Shadi Kolahdoozan, Babak Mirminachi, Masoud Sotoudeh, Golnaz Ekhlasi, Reza Malekzadeh, Bijan Shahbazkhani
PURPOSE: To assess small bowel abnormalities on magnetic resonance enterography (MRE) in adult patients with nonresponsive celiac disease (CD) and investigate their associations with endoscopic, histopathologic, serologic, and genetic features. MATERIALS AND METHODS: This prospective study was carried out between September 2012 and August 2013. After approval by the Ethics Committee of our institution, informed consent was acquired from all participants. Forty consecutive patients with nonresponsive CD, aged 17-76 years, underwent MRE using a 1...
February 9, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28179117/evaluation-of-intestinal-damage-caused-by-v-%C3%A2-cholerae-o139-an-in%C3%A2-vivo-study
#9
Chandrika Murugaiah, Nik Zuraina Nik Mohd Noor, Shyamoli Mustafa, Ravichandran Manickam, Lalitha Pattabhiraman
Cholera, a severe form of gastroenteritis, is one of the most widespread diseases in developing countries. The mechanism of intestinal infection caused by V. cholerae O139 remains unclear. In order to explore some morphological aspects of its infection in the intestine including Peyer's patches, we investigated the V. cholerae O139 infection at intestinal site of the rabbit gut-loop model. The electron microscopic analysis revealed denuded mucosal surface with loss of microvilli and integrity of the surface epithelium...
February 4, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28177264/gender-disparities-in-speech-evoked-auditory-brainstem-response-in-healthy-adults
#10
Bahram Jalaei, Mohd Normani Zakaria, Mohd Hafiz Afifi Mohd Azmi, Nik Adilah Nik Othman, Dinsuhaimi Sidek
OBJECTIVES: Gender disparities in speech-evoked auditory brainstem response (speech-ABR) outcomes have been reported, but the literature is limited. The present study was performed to further verify this issue and determine the influence of head size on speech-ABR results between genders. METHODS: Twenty-nine healthy Malaysian subjects (14 males and 15 females) aged 19 to 30 years participated in this study. After measuring the head circumference, speech-ABR was recorded by using synthesized syllable /da/ from the right ear of each participant...
February 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28166267/bacterial-internalization-is-required-to-trigger-nik-dependent-nf-%C3%AE%C2%BAb-activation-in-response-to-the-bacterial-type-three-secretion-system
#11
Miles C Duncan, Natalia G Herrera, Kevin S Johnson, Joanne N Engel, Victoria Auerbuch
Infection of human cells with Yersinia pseudotuberculosis expressing a functional type III secretion system (T3SS) leads to activation of host NF-κB. We show that the Yersinia T3SS activates distinct NF-κB pathways dependent upon bacterial subcellular localization. We found that wildtype Yersinia able to remain extracellular triggered NF-κB activation independently of the non-canonical NF-κB kinase NIK in HEK293T cells. In contrast, Yersinia lacking the actin-targeting effectors YopEHO, which become internalized into host cells, induce a NIK-dependent response and nuclear entry of the non-canonical NF-κB subunit p52...
2017: PloS One
https://www.readbyqxmd.com/read/28152035/nik-related-kinase-regulates-trophoblast-proliferation-and-placental-development-by-modulating-akt-phosphorylation
#12
Yuka Morioka, Jin-Min Nam, Takashi Ohashi
Nik-related kinase (Nrk) is a Ser/Thr kinase and was initially discovered as a molecule that was predominantly detected in skeletal muscles during development. A recent study using Nrk-null mice suggested the importance of Nrk in proper placental development; however, the molecular mechanism remains unknown. In this study, we demonstrated that differentiated trophoblasts from murine embryonic stem cells (ESCs) endogenously expressed Nrk and that Nrk disruption led to the enhanced proliferation of differentiated trophoblasts...
2017: PloS One
https://www.readbyqxmd.com/read/28151004/evaluation-of-factors-influencing-the-development-of-late-marek-s-disease-virus-induced-immunosuppression-virus-pathotype-and-host-sex
#13
Nik M Faiz, Aneg L Cortes, James S Guy, Oscar J Fletcher, Thomas Cimino, Isabel M Gimeno
Marek's disease virus (MDV) is a herpesvirus that induces lymphoma and immunosuppression in chickens. MDV induced immunosuppression (MDV-IS) is complex and can be divided into two phases: early-MDV-IS associated with cytolytic infection in the lymphoid organs in chickens lacking maternal antibodies against MDV (MAbs) and late-MDV-IS that appears later in the pathogenesis and occurs even in chickens bearing MAbs. We have recently developed a model to reproduce late-MDV-IS under laboratory conditions. This model evaluates late-MDV-IS indirectly by assessing the effect of MDV infection on the efficacy of infectious laryngotracheitis vaccines against challenge with infectious laryngotracheitis virus...
February 2, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28139158/usability-and-utility-evaluation-of-the-web-based-should-i-start-insulin-patient-decision-aid-for-patients-with-type-2-diabetes-among-older-people
#14
Yew Kong Lee, Ping Yein Lee, Chirk Jenn Ng, Chin Hai Teo, Ahmad Ihsan Abu Bakar, Khatijah Lim Abdullah, Ee Ming Khoo, Nik Sherina Hanafi, Wah Yun Low, Thiam Kian Chiew
This study aimed to evaluate the usability (ease of use) and utility (impact on user's decision-making process) of a web-based patient decision aid (PDA) among older-age users. A pragmatic, qualitative research design was used. We recruited patients with type 2 diabetes who were at the point of making a decision about starting insulin from a tertiary teaching hospital in Malaysia in 2014. Computer screen recording software was used to record the website browsing session and in-depth interviews were conducted while playing back the website recording...
January 31, 2017: Informatics for Health & Social Care
https://www.readbyqxmd.com/read/28125661/knockdown-of-nik-and-ikk%C3%AE-binding-protein-nibp-reduces-colorectal-cancer-metastasis-through-down-regulation-of-the-canonical-nf-%C3%AE%C2%BA%C3%AE-signaling-pathway-and-suppression-of-mapk-signaling-mediated-through-erk-and-jnk
#15
Mengbin Qin, Jinxiu Zhang, Chunyan Xu, Peng Peng, Lin Tan, Shiquan Liu, Jiean Huang
BACKGROUND: Despite the identification of many signaling pathways involved in colorectal cancer (CRC) tumorigenesis, metastatic CRC still remains one of the major causes of cancer related death. NIK and IKKβ-binding protein (NIBP) is one of the key regulators of the NF-κB signaling pathway, which has been implicated in CRC metastasis. The aim of this study was to investigate the possible role of NIBP in CRC metastasis through its regulation of NF-κΒ and extracellular regulated kinase/c-Janus kinase (ERK/JNK) signaling pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28112740/a-somatic-mutational-process-recurrently-duplicates-germline-susceptibility-loci-and-tissue-specific-super-enhancers-in-breast-cancers
#16
Dominik Glodzik, Sandro Morganella, Helen Davies, Peter T Simpson, Yilong Li, Xueqing Zou, Javier Diez-Perez, Johan Staaf, Ludmil B Alexandrov, Marcel Smid, Arie B Brinkman, Inga Hansine Rye, Hege Russnes, Keiran Raine, Colin A Purdie, Sunil R Lakhani, Alastair M Thompson, Ewan Birney, Hendrik G Stunnenberg, Marc J van de Vijver, John W M Martens, Anne-Lise Børresen-Dale, Andrea L Richardson, Gu Kong, Alain Viari, Douglas Easton, Gerard Evan, Peter J Campbell, Michael R Stratton, Serena Nik-Zainal
Somatic rearrangements contribute to the mutagenized landscape of cancer genomes. Here, we systematically interrogated rearrangements in 560 breast cancers by using a piecewise constant fitting approach. We identified 33 hotspots of large (>100 kb) tandem duplications, a mutational signature associated with homologous-recombination-repair deficiency. Notably, these tandem-duplication hotspots were enriched in breast cancer germline susceptibility loci (odds ratio (OR) = 4.28) and breast-specific 'super-enhancer' regulatory elements (OR = 3...
January 23, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28100077/effects-of-m2000-d-mannuronic-acid-on-learning-memory-retrieval-and-associated-determinants-in-a-rat-model-of-alzheimer-s-disease
#17
Somayeh Athari Nik Azm, Mohammadreza Vafa, Mohammad Sharifzadeh, Majid Safa, Anis Barati, Abbas Mirshafiey
The d-mannuronic acid (M2000) is a novel nonsteroidal anti-inflammatory drug that has immunosuppressive effects together with antioxidant property. M2000 has shown a notable efficacy in experimental models of multiple sclerosis, rheumatoid arthritis, and nephrotic syndrome. In this work, the effect of M2000 on the treatment of Alzheimer's disease (AD) was performed by Morris water maze experiment, and the immunological assessments were carried out by Western blot, apoptosis (procaspase-3, Bax/Bcl2, P53), enzymatic (superoxide dismutase [SOD]), and nonenzymatic oxidative stress (malondialdehyde [MDA]) tests...
February 2017: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/28087967/periampullary-carcinoma-with-penile-metastasis
#18
W C Pui, N A Nik Azim
Periampullary carcinoma metastases are usually located at regional nodes, adjacent organs, liver or lung. On the other hand, metastatic penile cancer is uncommon. Penile metastasis usually originates from pelvic region with prostate and bladder being the most frequent primary location. We present a very rare case of periampullary carcinoma with penile metastasis in a 49-year-old man. He initially presented with early ampullary type periampullary carcinoma and had pyloric preserving pancreatoduodenectomy and adjuvant chemotherapy...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087959/a-study-on-hla-dr-dq-typing-in-adult-malay-patients-with-acute-amoebic-liver-abscess
#19
Z Nazli, N M S Azira, M Zeehaida, Z Nik Zairi, Y Nurul Khaiza, Y Maya Mazuwin
INTRODUCTION: Amoebiasis is a parasitic disease caused by Entamoeba histolytica that may lead to death in developing countries. Few important risk factors have been identified in the development of amoebic liver abscess (ALA). There are limited reports that suggest an association between antigens of the major histocompatibility complex (MHC) particularly class II antigens and ALA development. This present work aimed at studying the possible association of HLA antigens with ALA and disease severity...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087349/combination-of-multiple-ligation-dependent-probe-amplification-and-illumina-miseq-amplicon-sequencing-for-tsc1-tsc2-gene-analyses-in-patients-with-tuberous-sclerosis-complex
#20
Nur Farrah Dila Ismail, Abdul Qawee Rani, Nik Mohd Ariff Nik Abdul Malik, Chia Boon Hock, Siti Nabilahuda Mohd Azlan, Salmi Abdul Razak, Wee Teik Keng, Lock Hock Ngu, Abdul Rashid Silawati, Nor AzniYahya, Narazah Mohd Yusoff, Teguh Haryo Sasongko, Zabidi Azhar Mohd Hussin
Tuberous sclerosis complex (TSC) is an autosomal dominant neurocutaneous disorder characterized by tumor growth in multiple organs and caused by mutations in either TSC1 or TSC2 genes. Because of their relatively large genomic sizes, absence of hotspots, and common type of mutations, mutation detection in TSC1 and TSC2 genes has been challenging. We devised a combination of multiple ligation-dependent probe amplification (MLPA) and amplicon sequencing (AS) to simplify the detection strategy, yet we come up with reasonably high detection rate...
January 10, 2017: Journal of Molecular Diagnostics: JMD
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