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https://www.readbyqxmd.com/read/27911357/characterization-of-metabolic-status-in-nonhuman-primates-with-the-intravenous-glucose-tolerance-test
#1
Michael Staup, George Aoyagi, TeQuana Bayless, Yixin Wang, Keefe Chng
The intravenous glucose tolerance test (IVGTT) plays a key role in the characterization of glucose homeostasis. When taken together with serum biochemical profiles, inclusive of blood glucose levels in both the fed and fasted state, HbA1c, insulin levels, clinical history of diet, body composition, and body weight status, an assessment of normal and abnormal glycemic control can be made. Interpretation of an IVGTT is done through measurement of changes in glucose and insulin levels over time in relation to the dextrose challenge...
November 13, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911353/computer-aided-classification-of-mammographic-masses-using-visually-sensitive-image-features
#2
Yunzhi Wang, Faranak Aghaei, Ali Zarafshani, Yuchen Qiu, Wei Qian, Bin Zheng
PURPOSE: To develop a new computer-aided diagnosis (CAD) scheme that computes visually sensitive image features routinely used by radiologists to develop a machine learning classifier and distinguish between the malignant and benign breast masses detected from digital mammograms. METHODS: An image dataset including 301 breast masses was retrospectively selected. From each segmented mass region, we computed image features that mimic five categories of visually sensitive features routinely used by radiologists in reading mammograms...
November 30, 2016: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/27911315/decreased-expression-of-hsa-mir-4274-in%C3%A2-cerebrospinal-fluid-of-normal-pressure-hydrocephalus-mimics-with-parkinsonian-syndromes
#3
Ivana Jurjević, Masakazu Miyajima, Ikuko Ogino, Chihiro Akiba, Madoka Nakajima, Akihide Kondo, Mika Kikkawa, Mitsuyasu Kanai, Nobutaka Hattori, Hajime Arai
BACKGROUND: Patients presenting with the classical idiopathic normal pressure hydrocephalus (iNPH) triad often show additional parkinsonian spectrum signs. Accurate differential diagnosis strongly influences the long-term outcome of cerebrospinal fluid (CSF) shunting. OBJECTIVE: The aim of this study was to find potential CSF microRNA (miRNA) biomarkers for NPH mimics with parkinsonian syndromes that can reliably distinguish them from iNPH patients. METHODS: Two cohorts of 81 patients (cohort 1, n = 55; cohort 2, n = 26) with possible iNPH who were treated in two centers between January 2011 and May 2014 were studied...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911296/screening-for-mild-cognitive-impairment-and-dementia-with-automated-anonymous-online-and-telephone-cognitive-self-tests
#4
Lisa D Van Mierlo, Hans Wouters, Sietske A M Sikkes, Wiesje M Van der Flier, Niels D Prins, Jonne A E Bremer, Teddy Koene, Hein P J Van Hout
BACKGROUND: Many older people worry about cognitive decline. Early cognitive screening in an anonymous and easily accessible manner may reassure older people who are unnecessarily worried about normal cognitive aging while it may also expedite help seeking in case of suspicious cognitive decline. OBJECTIVE: To develop and validate online and telephone-based automated self-tests of cognitive function. METHODS: We examined the feasibility and validity of the self-tests in a prospective study of 117 participants of whom 34 had subjective cognitive decline (SCD), 30 had mild cognitive impairment (MCI), and 53 had dementia...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911001/diagnostic-accuracy-of-thyroid-imaging-reporting-and-data-system-in-the-prediction-of-malignancy-in-nodules-with-atypia-and-follicular-lesion-of-undetermined-significance-cytologies
#5
Husniye Baser, Bekir Cakir, Oya Topaloglu, Afra Alkan, Sefika Burcak Polat, Hayriye Tatli Dogan, Mustafa Omer Yazicioğlu, Cevdet Aydin, Reyhan Ersoy
OBJECTIVE: Thyroid Imaging Reporting and Data System (TIRADS) is a simple and reliable reporting system for the prediction of malignancy. We aimed to determine the role of TIRADS in the prediction of malignancy in subcategories of Bethesda Category III, atypia of undetermined significance (AUS) and follicular lesion of undetermined significance (FLUS). DESIGN & PATIENTS: A total of 461 nodules with AUS cytology in 450 patients and 179 nodules with FLUS cytology in 168 patients were included...
November 7, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27910996/speckle-tracking-echocardiography-predicts-early-subclinical-anthracycline-cardiotoxicity-in-patients-with-breast-cancer
#6
Qi Tang, Yan Jiang, Yali Xu, Hongmei Xia
PURPOSE: This study aimed to assess the early changes of left ventricular (LV) and right ventricular (RV) mechanics associated with anthracycline treatment for breast cancer and to determine whether two-dimensional speckle tracking echocardiography (2D-STE) analysis could predict chemotherapy-induced cardiotoxicity. BACKGROUND: Anthracycline generates progressive LV dysfunction associated with a poor prognosis. Early detection of minor change of myocardial mechanics is thus important...
December 2, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27910954/mal-lys-prediction-of-lysine-malonylation-sites-in-proteins-integrated-sequence-based-features-with-mrmr-feature-selection
#7
Yan Xu, Ya-Xin Ding, Jun Ding, Ling-Yun Wu, Yu Xue
Lysine malonylation is an important post-translational modification (PTM) in proteins, and has been characterized to be associated with diseases. However, identifying malonyllysine sites still remains to be a great challenge due to the labor-intensive and time-consuming experiments. In view of this situation, the establishment of a useful computational method and the development of an efficient predictor are highly desired. In this study, a predictor Mal-Lys which incorporated residue sequence order information, position-specific amino acid propensity and physicochemical properties was proposed...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910771/induction-of-flavin-containing-monooxygenase-in-mice-by-oral-administration-of-phellinus-baumii-agaricomycetes-extract
#8
Batbayar Sainkhuu, Beom Su Park, Ha Won Kim
Phellinus baumii is a yellow mushroom long used in alternative medicine in Korea and other central Asian countries. To identify genes affected by a single or 7-day oral administration of a water extract of Ph. Baumii, mouse liver tissue was analyzed using microarrays. The results showed that 8 and 23 genes were upregulated and 3 and 11 genes downregulated more than 3-fold by single and multiple oral administrations of 100 mg/kg PBE, respectively. Among the upregulated genes, the expression of 3 flavin-containing monooxygenase (Fmo) family genes, Fmo2-4, was upregulated in a concentration-dependent manner...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910234/luminal-contents-from-the-gut-of-colicky-infants-induce-visceral-hypersensitivity-in-mice
#9
H Eutamène, C L Garcia-Rodenas, S Yvon, E d'Aldebert, F Foata, B Berger, J Sauser, V Theodorou, G Bergonzelli, E Mas
BACKGROUND: The pathophysiology of infantile colic is poorly understood, though various studies report gut microbiota dysbiosis in colicky infants. We aimed to test the hypothesis that colic-related dysbiosis is associated with visceral hypersensitivity triggered by an altered luminal milieu. METHODS: Fecal samples from seven colicky and seven non-colicky infants were studied. Fecal supernatants (FS) were infused into the colons of C57/Bl6 mice (n=10/specimen). Visceral sensitivity was subsequently assessed in the animals by recording their abdominal muscle response to colorectal distension (CRD) by electromyography (EMG)...
December 1, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27910036/evaluation-of-the-pharmacokinetic-interaction-between-venetoclax-a-selective-bcl-2-inhibitor-and-warfarin-in-healthy-volunteers
#10
Ahmed Hamed Salem, Beibei Hu, Kevin J Freise, Suresh K Agarwal, Dilraj S Sidhu, Shekman L Wong
BACKGROUND AND OBJECTIVE: Venetoclax is a selective, B-cell lymphoma-2 inhibitor that has demonstrated clinical efficacy in a variety of hematological malignancies. In vitro data indicated weak cytochrome P450 (CYP) 2C9 inhibition by venetoclax; however, it is not predicted to cause clinically relevant inhibition due to high plasma protein binding. A Phase 1 study was conducted in healthy volunteers to evaluate the effect of venetoclax on warfarin pharmacokinetics. METHODS: Subjects received a single oral dose of 5 mg warfarin on day 1 of both periods 1 and 2, separated by a 14 days washout...
December 2, 2016: Clinical Drug Investigation
https://www.readbyqxmd.com/read/27909972/can-we-estimate-short-and-intermediate-term-survival-in-patients-undergoing-surgery-for-metastatic-bone-disease
#11
Jonathan A Forsberg, Rikard Wedin, Patrick J Boland, John H Healey
BACKGROUND: Objective means of estimating survival can be used to guide surgical decision-making and to risk-stratify patients for clinical trials. Although a free, online tool ( www.pathfx.org ) can estimate 3- and 12-month survival, recent work, including a survey of the Musculoskeletal Tumor Society, indicated that estimates at 1 and 6 months after surgery also would be helpful. Longer estimates help justify the need for more durable and expensive reconstructive options, and very short estimates could help identify those who will not survive 1 month and should not undergo surgery...
December 1, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27909859/sofa-score-and-left-ventricular-systolic-function-as-predictors-of-short-term-outcome-in-patients-with-sepsis
#12
Francesca Innocenti, Vittorio Palmieri, Aurelia Guzzo, Valerio Teodoro Stefanone, Chiara Donnini, Riccardo Pini
In a group of septic patients, we assess the short-term prognostic value of LV systolic performance, evaluated through conventional left ventricular ejection fraction (LVEF) and left ventricular global longitudinal strain (LV GLS). One hundred forty-seven patients with sepsis were recruited; LVEF by planimetry and peak GLS by 2D speckle tracking could be assessed within 24 h. The study population was stratified according to SOFA tertiles assessed at the time of the echocardiogram (G1: SOFA score <5; G2: SOFA score 5-7; G3: SOFA score >7)...
December 1, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27909808/clinical-validation-of-a-novel-urine-based-metabolomic-test-for-the-detection-of-colonic-polyps-on-chinese-population
#13
Lu Deng, Hong Fang, Victor K Tso, Yuanyuan Sun, Rae R Foshaug, Spencer C Krahn, Fen Zhang, Yujie Yan, Huilin Xu, David Chang, Yong Zhang, Richard N Fedorak
PURPOSE: Colorectal cancer is the fifth leading cause of cancer-related deaths in China. When detected early, with the removal of adenomatous polyps, precursors of colorectal cancer, it is preventable. The aim of this study was to evaluate a novel urine-based metabolomic diagnostic test for the detection of adenomatous polyps, PolypDx™, that was originally developed and validated using 1000 samples from Canadian Cohort, on Chinese population. METHODS: Prospective urine samples were collected from 1000 participants undergoing colonoscopy examination, from March 2013 to July 2014 at Minhang District, Shanghai Centre for Disease Control and Prevention...
December 1, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27909617/diagnostic-value-of-micrornas-in-prostate-cancer-patients-with-prostate-specific-antigen-psa-levels-between-2-and-10-ng-ml
#14
Serin Akbayır, Necati Muşlu, Sema Erden, Murat Bozlu
OBJECTIVE: Prostate specific antigen (PSA), used for the early diagnosis of prostate cancer (PCa), is one of the best tumour markers known so far. However, in situations when PSA is between 2-10 ng/mL, which is named as grey zone, PSA falls short of distinguishing benign prostate diseases from PCa. On the other hand, it was demonstrated in many previous studies that microRNA (miRNA) could be a marker for cancer. Therefore, in this study, it was aimed to enhance the diagnostic power of PSA, especially with grey zone patients, by the use of miRNA...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27909358/sensewearmini-and-actigraph-gt3x-accelerometer-classification-of-observed-sedentary-and-light-intensity-physical-activities-in-a-laboratory-setting
#15
Lynne M Feehan, Charles H Goldsmith, April Y F Leung, Linda C Li
Purpose: To compare the ability of SenseWear Mini (SWm) and Actigraph GT3X (AG3) accelerometers to differentiate between healthy adults' observed sedentary and light activities in a laboratory setting. Methods: The 22 participants (15 women, 7 men), ages 19 to 72 years, wore SWm and AG3 monitors and performed five sedentary and four light activities for 5 minutes each while observed in a laboratory setting. Performance was examined through comparisons of accuracy, sensitivity, specificity, positive and negative predictive values, and positive and negative likelihood ratios...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909229/vascular-function-and-endothelin-1-tipping-the-balance-between-vasodilation-and-vasoconstriction
#16
Steven K Nishiyama, Jia Zhao, D Walter Wray, Russell S Richardson
Endothelin-1 (ET-1), a potent vasoconstrictor secreted by vascular endothelial cells, has been implicated in the pathophysiology of numerous cardiovascular diseases, yet the direct impact of ET-1 on vascular function remains unclear. Therefore, in seven young (23 ± 1 years) healthy subjects, we investigated the effect of an intra-arterial infusion of ET-1 on reactive hyperemia (RH) and flow-mediated dilation (FMD) in the popliteal artery following 5-min of suprasystolic cuff occlusion. ET-1 infusion significantly attenuated basal leg blood flow (Control: 62 ± 4 ml/min, ET-1: 47 ± 9 ml/min), RH (area-under-curve, AUC) (Control: 162 ± 15 ml, ET-1: 104 ± 16 ml), and peak RH (Control: 572 ± 51 ml/min, ET-1: 412 ± 32 ml/min) (P < 0...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27909141/developing-a-risk-scoring-model-for-ankylosing-spondylitis-based-on-a-combination-of-hla-b27-single-nucleotide-polymorphism-and-copy-number-variant-markers
#17
Seung-Hyun Jung, Sung-Min Cho, Seon-Hee Yim, So-Hee Kim, Hyeon-Chun Park, Mi-La Cho, Seung-Cheol Shim, Tae-Hwan Kim, Sung-Hwan Park, Yeun-Jun Chung
OBJECTIVE: To develop a genotype-based ankylosing spondylitis (AS) risk prediction model that is more sensitive and specific than HLA-B27 typing. METHODS: To develop the AS genetic risk scoring (AS-GRS) model, 648 individuals (285 cases and 363 controls) were examined for 5 copy number variants (CNV), 7 single-nucleotide polymorphisms (SNP), and an HLA-B27 marker by TaqMan assays. The AS-GRS model was developed using logistic regression and validated with a larger independent set (576 cases and 680 controls)...
December 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27909128/the-development-of-a-quantitative-scoring-system-to-predict-whether-a-large-to-massive-rotator-cuff-tear-can-be-arthroscopically-repaired
#18
S-J Kim, J-S Park, K-H Lee, B-G Lee
AIMS: The aim of the study was to develop a quantitative scoring system to predict whether a large-to-massive rotator cuff tear was arthroscopically reparable prior to surgery. PATIENTS AND METHODS: We conducted a retrospective review of the pre-operative MR imaging and surgical records of 87 patients (87 shoulders) who underwent arthroscopic repair of a large-to-massive rotator cuff tear. Patients were divided into two groups, based on the surgical outcome of the repair...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909038/decision-tree-based-modelling-for-identification-of-potential-interactions-between-type-2-diabetes-risk-factors-a-decade-follow-up-in-a-middle-east-prospective-cohort-study
#19
Azra Ramezankhani, Esmaeil Hadavandi, Omid Pournik, Jamal Shahrabi, Fereidoun Azizi, Farzad Hadaegh
OBJECTIVE: The current study was undertaken for use of the decision tree (DT) method for development of different prediction models for incidence of type 2 diabetes (T2D) and for exploring interactions between predictor variables in those models. DESIGN: Prospective cohort study. SETTING: Tehran Lipid and Glucose Study (TLGS). METHODS: A total of 6647 participants (43.4% men) aged >20 years, without T2D at baselines ((1999-2001) and (2002-2005)), were followed until 2012...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27908602/kisspeptin-and-embryo-implantation-after-icsi
#20
Zehra Jamil, Syeda Sadia Fatima, Sara Arif, Faiza Alam, Rehana Rehman
A cross-sectional study was carried out at the Australian Concept Infertility Medical Centre from June 2014 to June 2015 to relate serum kisspeptin levels on human chorionic gonadotrophin (HCG) day with pregnancy outcome after intracytoplasmic sperm injection (ICSI). A total of 176 women aged 20 to 42 years, with regular menstrual cycles, normal thyroid function and prolactin levels selected for ICSI were included in the study. Patients with uterine fibroids, metabolic disorders, short agonist and antagonist protocol were excluded...
November 18, 2016: Reproductive Biomedicine Online
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