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Xiaohua Wang, Cheng Chen, Guoren Zhou, Jinjun Ye, Rong Yin, Dongjie Feng, Shuai Zhang, Xiaojun Wang, Xin Zhao, Zhi Zhang
BACKGROUND/AIMS: Our previous study suggested the anti-tumor activity of sepia ink oligopeptide (SIO). Here we sought to investigate the underlying molecular mechanism. METHODS: Cell proliferation was evaluated by cell counting kit-8 (CCK-8) assay. Cell apoptosis was determined by Annexin V/Propidium Iodide (PI) staining. The mitochondria pathway was characterized by quantification of Bcl-2, Bax, Caspase-9 and Cyto-C. The death receptor pathway was analyzed by determinement of Fas, Caspase-8 and NIK...
March 7, 2018: Cellular Physiology and Biochemistry
Z Mohd Normani, W H Wan Suhailah, N O Nik Adilah
INTRODUCTION: Tinnitus is a common complaint among patients with ear diseases and can be serious if not treated. Recently, a Malay tinnitus questionnaire, known as the "Borang Evaluasi Soal selidik Tinnitus" (BEST) had been developed and preliminarily validated among Malayspeaking population. The aims of the present study were to determine the test-retest reliability and responsiveness of the BEST questionnaire. METHOD: Forty-six Malay adults (aged 23-74 years) with tinnitus were enrolled...
February 2018: Medical Journal of Malaysia
Nik R Mazumder, Stuart D Russell, Aliaksei Pustavoitau, Matthews Chacko, Nicole Rizkalla, Behnam Saberi, Benjamin Philosophe, Andrew M Cameron, Ahmet Gurakar, Fizza F Naqvi
OBJECTIVES: Liver transplant and simultaneous liver-kidney transplant are major surgeries performed on high-risk individuals with end-stage liver disease and end-stage renal disease. We sought to examine the relationship between pretransplant echocardiographic parameters and outcomes in our simultaneous liver-kidney transplant and liver transplant-alone populations. MATERIALS AND METHODS: In our retrospective analysis, we included adult patients who underwent index transplant from January 1, 2010 to December 31, 2015 at Johns Hopkins Comprehensive Transplant Center...
March 2018: Experimental and Clinical Transplantation
Mohamed Hassan Elnaem, Mohamad Haniki Nik Mohamed, Hasniza Zaman Huri, Shah M Azarisman
RATIONALE: Previous research reported underutilization of statin therapy among patients with type 2 diabetes mellitus. Improving health care providers' awareness and understanding of the benefits and risks of statin treatment could be of assistance in optimizing the statin prescribing process. AIMS AND OBJECTIVES: This study aimed to assess health care providers' knowledge related to statin therapy and the impact of educational outreach intervention based on the perceived knowledge...
March 6, 2018: Journal of Evaluation in Clinical Practice
Haiju Zhang, Hui Li, Aamir Shaikh, Yi Caudle, Baozhen Yao, Deling Yin
Background: microRNA-23b (miR-23b) is a multiple functional miRNA. We hypothesize that miR-23b plays a role in the pathogenesis of sepsis. Our study investigated the effect of miR-23b on sepsis induced immunosuppression. Methods: Mice were treated with miR-23b inhibitors by tail vein injection 2 days after cecal ligation puncture (CLP)-induced sepsis. Apoptosis in spleens and apoptotic signals were detected, meanwhile survival was monitored. T cell immunoreactivities were examined in late sepsis...
March 1, 2018: Journal of Infectious Diseases
Eda Yuhana Ariffin, Yook Heng Lee, Dedi Futra, Ling Ling Tan, Nurul Huda Abd Karim, Nik Nuraznida Nik Ibrahim, Asmat Ahmad
A novel electrochemical DNA biosensor for ultrasensitive and selective quantitation of Escherichia coli DNA based on aminated hollow silica spheres (HSiSs) has been successfully developed. The HSiSs were synthesized with facile sonication and heating techniques. The HSiSs have an inner and an outer surface for DNA immobilization sites after they have been functionalized with 3-aminopropyltriethoxysilane. From field emission scanning electron microscopy images, the presence of pores was confirmed in the functionalized HSiSs...
March 5, 2018: Analytical and Bioanalytical Chemistry
Jie Yang, Siya Zhang, Lingyun Zhang, Xiaoping Xie, Hui Wang, Zuliang Jie, Meidi Gu, Jin-Young Yang, Xuhong Cheng, Shao-Cong Sun
B cells home to the lymph nodes (LNs) via high endothelial venules (HEVs) under the guidance of chemokines, particularly CXCL13. However, as CXCL13 is not directly made in HEVs, the molecular mechanism mediating B-cell homing to LNs has remained unclear. We show here that nuclear factor (NF)-κB-inducing kinase (NIK), a kinase mediating activation of the noncanonical NF-κB pathway, functions in lymphatic endothelial cells (LECs) to regulate B-cell homing to LNs. LEC-conditional deletion of NIK in mice did not affect the integrity or global function of lymphatic vessels but caused a severe reduction in the frequency of B cells in LNs...
March 5, 2018: Cellular & Molecular Immunology
Nathalie Doorenweerd, Ahmed Mahfouz, Maaike van Putten, Rajaram Kaliyaperumal, Peter A C T' Hoen, Jos G M Hendriksen, Annemieke M Aartsma-Rus, Jan J G M Verschuuren, Erik H Niks, Marcel J T Reinders, Hermien E Kan, Boudewijn P F Lelieveldt
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
March 1, 2018: Scientific Reports
Nik Nurhanan Nik Mansor, Tan Toh Leong, Eka Safitri, Dedi Futra, Nurul Saadah Ahmad, Dian Nasriana Nasuruddin, Azlin Itnin, Ida Zarina Zaini, Khaizurin Tajul Arifin, Lee Yook Heng, Nurul Izzaty Hassan
A tri-enzyme system consisting of choline kinase/choline oxidase/horseradish peroxidase was used in the rapid and specific determination of the biomarker for bacterial sepsis infection, secretory phospholipase Group 2-IIA (sPLA2-IIA). These enzymes were individually immobilized onto the acrylic microspheres via succinimide groups for the preparation of an electrochemical biosensor. The reaction of sPLA2-IIA with its substrate initiated a cascading enzymatic reaction in the tri-enzyme system that led to the final production of hydrogen peroxide, which presence was indicated by the redox characteristics of potassium ferricyanide, K₃Fe(CN)₆...
February 26, 2018: Sensors
Jennifer Sammon, Sandra Fischer, Ravi Menezes, Hooman Hosseini-Nik, Sara Lewis, Bachir Taouli, Kartik Jhaveri
BACKGROUND: Combined hepatocellular-cholangiocarcinoma (cHCC-CC) is a rare primary liver tumor, which has overlapping imaging features with mass forming intra-hepatic cholangiocarcinoma (ICC) and hepatocellular carcinoma (HCC). Previous studies reported imaging features more closely resemble ICC and the aim of our study was to examine the differential MRI features of cHCC-CC and ICC with emphasis on enhancement pattern observations of gadolinium enhanced MRI. METHODS: Institutional review board approval with consent waiver was obtained for this retrospective bi-centric study...
February 27, 2018: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
Nik Sheng Ding, Benjamin H Mullish, John McLaughlin, Ailsa Hart, Julian R Marchesi
No abstract text is available yet for this article.
January 2018: Frontline Gastroenterology
Qian Wang, Furao Liu, Meichao Zhang, Pingting Zhou, Ci Xu, Yanyan Li, Lei Bian, Yuanhua Liu, Yuan Yao, Fei Wang, Yong Fang, Dong Li
Neutrophils are the most important component of the innate immune system. Mechanistic understanding of the mechanism underlying neutrophil differentiation remains elusive. Using genome-wide RNA-seq, we identified genes whose expression is dramatically up-regulated during neutrophil differentiation. Among them is nucleotide-binding leucine-rich repeat and pyrindomain-containing receptor 12 (NLRP12), which plays a role in immune inflammatory responses. Genetic ablation of NLRP12 suppresses NF-κB inducing kinase (NIK) stabilization, RelB nuclear translocation and neutrophil differentiation in vitro...
2018: International Journal of Biological Sciences
Neil Stephens, Nik Brown, Conor Douglas
No abstract text is available yet for this article.
February 21, 2018: Life Sciences, Society and Policy
Kok Wei Kan, Patrick Sylves, Nik-Lah Nik-Ahmad-Zuky, Ismail Shatriah
Dengue fever is common in the tropics and its clinical manifestations and complications are well-known. However, dengue-related ocular complications are rare. Here we present a postpartum female who complained of bilateral central scotoma, at five days after the clinical diagnosis of dengue fever. The ocular examination was suggestive of dengue maculopathy and foveolitis. She was treated with a combination of intravenous methylprednisolone and immunoglobulin. The final visual recovery was good.
December 13, 2017: Curēus
Kabindra Regmi, Dinesh Kaphle, Sabina Timilsina, Nik Annie Afiqah Tuha
BACKGROUND: Economic evidence relating to tobacco control is generally derived from the cost effectiveness of smoking-cessation programs or the economic impact of tobacco-induced disease, based on revealed-preference data. However, empirical estimates from stated-preference data on tobacco users' preferences, smoking behaviour and smoking cessation aids using analytical techniques such as discrete-choice experiments (DCEs) could be important for policy decision making in tobacco control...
March 2018: PharmacoEconomics Open
Somayeh Athari Nik Azm, Abolghassem Djazayeri, Majid Safa, Kian Azami, Behzad Ahmadvand, Fatemeh Sabbaghziarani, Mohammad Sharifzadeh, Mohammadreza Vafa
Gastrointestinal microbiota and its organisms are related to the brain and affect brain functioning including memory and learning. In this study we hence investigated the effects of probiotics on memory and oxidative stress biomarkers in an experimental model of Alzheimer's disease. Sixty rats were randomly divided into 5 groups: Controls (C), control-probiotics (CP) that received probiotics for 8 weeks, sham operation (S) that had intra hippocampal PBS injection, Alzheimer (Aβ) that had the Aβ 1-42 intra-hippocampal injection and the Alzheimer-probiotics (AP) group, which in addition to being injected Aβ 1-42, received 2g (1010CFU) probiotics (L...
February 20, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Nicolas Fay, Bradley Walker, Nik Swoboda, Simon Garrod
Human cognition and behavior are dominated by symbol use. This paper examines the social learning strategies that give rise to symbolic communication. Experiment 1 contrasts an individual-level account, based on observational learning and cognitive bias, with an inter-individual account, based on social coordinative learning. Participants played a referential communication game in which they tried to communicate a range of recurring meanings to a partner by drawing, but without using their conventional language...
February 19, 2018: Cognitive Science
S A K Sharifah Zamiah, Che Rosle Draman, Mohd Ramli Seman, A Fariz Safhan, R Rozalina, N I Nik Ruzni
Cardiovascular (CV) event is the most common cause of death in dialysis patients. Both traditional and nontraditional CV risk factors related to malnutrition, inflammation, and anemia are commonly found in this population. This study was conducted to evaluate the burden factors of CV risk factors and its management in our regularly dialyzed patients. It was a single-center, cross-sectional analysis of prevalent intermittent hemodialysis (IHD) and continuous ambulatory peritoneal dialysis (CAPD) patients followed up in our hospital...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
Robin N Thompson, Christopher A Gilligan, Nik J Cunniffe
The intuitive response to an invading pathogen is to start disease management as rapidly as possible, since this would be expected to minimise the future impacts of disease. However, since more spread data become available as an outbreak unfolds, processes underpinning pathogen transmission can almost always be characterised more precisely later in epidemics. This allows the future progression of any outbreak to be forecast more accurately, and so enables control interventions to be targeted more precisely...
February 16, 2018: PLoS Computational Biology
Irene Niks, Jan de Jonge, Josette Gevers, Irene Houtman
Effective interventions to prevent work stress and to improve health, well-being, and performance of employees are of the utmost importance. This quasi-experimental intervention study presents a specific method for diagnosis of psychosocial risk factors at work and subsequent development and implementation of tailored work stress interventions, the so-called DISCovery method. This method aims at improving employee health, well-being, and performance by optimizing the balance between job demands, job resources, and recovery from work...
February 13, 2018: International Journal of Environmental Research and Public Health
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