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https://www.readbyqxmd.com/read/29154962/a-novel-type-2-diabetes-mouse-model-of-combined-diabetic-kidney-disease-and-atherosclerosis
#1
Karin E Bornfeldt, Farah Kramer, Anna Batorsky, Jinkuk Choi, Kelly L Hudkins, Peter Tontonoz, Charles E Alpers, Jenny E Kanter
Diabetic kidney disease and atherosclerotic disease are major causes of morbidity and mortality associated with type 2 diabetes (T2D), and diabetic kidney disease is a major cardiovascular risk factor. The BTBR mouse strain with leptin-deficiency (Lep(ob)) has emerged as one of the best models of human diabetic kidney disease. However, no T2D mouse model of combined diabetic kidney disease and atherosclerosis exists. Our goal was to generate such a model. To this end, the LDL receptor was targeted for degradation via IDOL (inducible degrader of the LDL receptor) overexpression, using a liver-targeted adeno-associated virus (AAV-DJ/8) in BTBR wild-type (WT) and BTBR Lep(ob) (OB) mice...
November 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29154932/correlation-of-virtual-reality-simulation-and-dry-lab-robotic-technical-skills
#2
Laura K Newcomb, Megan S Bradley, Tracy Truong, Michelle Tang, Bryan Comstock, Yi-Ju Li, Anthony G Visco, Nazema Y Siddiqui
STUDY OBJECTIVE: To examine whether a set of virtual reality (VR) surgical simulation drills have correlative validity when compared to the validated Robotic Objective Structured Assessment of Technical Skills (R-OSATS) dry lab drills. DESIGN: A prospective methods comparison study (Canadian Task Force II-2). SETTING: A teaching hospital. PARTICIPANTS: Thirty current residents, fellows, and faculty from the departments of OB/GYN, Urology, and General Surgery...
November 14, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29152125/cd49b-inhibits-osteogenic-differentiation-and-plays-an-important-role-in-osteosarcoma-progression
#3
Tingting Ren, Sajida Piperdi, Pratistha Koirala, Amy Park, Wendong Zhang, Daria Ivenitsky, Yidan Zhang, Esperanza Villanueva-Siles, Douglas S Hawkins, Michael Roth, Richard Gorlick
Osteosarcoma is a cancer whose cell of origin lies in the differentiation pathway between the mesenchymal stem cell (MSC) and the osteoblast (OB). In this study, we sought to determine if surface markers associated with osteoblastic differentiation are involved in osteosarcoma progression. cDNA expression arrays were performed on MSCs and osteoblasts to identify differentially expressed genes. The specificity of candidate genes for osteoblast differentiation was assessed through time course experiments in differentiation media with confirmation utilizing CD49b transfected MSCs...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151458/comparison-of-efficacy-and-outcome-satisfaction-between-in-office-and-home-teeth-bleaching-in-chinese-patients
#4
Jie Nie, Fu-Cong Tian, Zu-Hua Wang, Adrian U Yap, Xiao-Yan Wang
This in vivo study aimed to evaluate the efficacy of in-office and home teeth bleaching in Asian patients. Moreover, the correlation between tooth color change and patient's outcome satisfaction was investigated. Overall, 40 Chinese patients were randomly divided into two groups and prescribed in-office (OB) or take-home bleaching (HB). The color of the maxillary central incisor and canine were recorded at baseline, immediately after first treatment, 1 week, and 3 months after treatment by using a spectrophotometer...
November 17, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/29151267/impaired-permeability-and-antimicrobial-barriers-in-type-2-diabetes-skin-are-linked-to-increased-serum-levels-of-advanced-glycation-end-product
#5
Jae-Hong Kim, Na Young Yoon, Dong Hye Kim, Minyoung Jung, Myungsoo Jun, Hwa-Young Park, Choon Hee Chung, Kyohoon Lee, Sunki Kim, Chang Seo Park, Kwang-Hyeon Liu, Eung Ho Choi
BACKGROUND: The incidence of type 2 diabetes mellitus (DM) has been increasing rapidly, and the disease has become a serious sociomedical problem. Many skin problems, such as xerosis, pruritus, skin infections, and delayed wound healing, that might be related to chronic impairment of skin barrier function decrease the quality of life in DM patients. However, the status of the permeability and antimicrobial barrier of the skin in DM remains unknown. OBJECTIVE: This study aimed to elucidate skin barrier impairment in type 2 DM patients and its patho-mechanisms using classic animal models of type 2 DM...
November 19, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29150684/global-and-regional-effects-of-bladder-cancer-risk-associated-with-pioglitazone-therapy-in-patients-with-diabetes
#6
Hua Qu, Yi Zheng, Yuren Wang, Rui Zhang, Xiongzhong Ruan, Gangyi Yang, Zhenqi Liu, Hongting Zheng
It has been debated for several years as to whether the antidiabetic drug pioglitazone increases the risk for bladder cancer. A series of recent large population studies yielded conflicting results. To investigate why the observational studies yielded conflicting results, we conducted stratified analyses to analyze the potential confounders behind these discordant outcomes. A total of 2,764,731 participants from observational (OB) studies and 9,999 from randomized control trials (RCTs) were identified for these analyses...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150616/nmr-metabolomics-for-stem-cell-type-discrimination
#7
Franca Castiglione, Monica Ferro, Evangelos Mavroudakis, Rosalia Pellitteri, Patrizia Bossolasco, Damiano Zaccheo, Massimo Morbidelli, Vincenzo Silani, Andrea Mele, Davide Moscatelli, Lidia Cova
Cell metabolism is a key determinant factor for the pluripotency and fate commitment of Stem Cells (SCs) during development, ageing, pathological onset and progression. We derived and cultured selected subpopulations of rodent fetal, postnatal, adult Neural SCs (NSCs) and postnatal glial progenitors, Olfactory Ensheathing Cells (OECs), respectively from the subventricular zone (SVZ) and the olfactory bulb (OB). Cell lysates were analyzed by proton Nuclear Magnetic Resonance ((1)H-NMR) spectroscopy leading to metabolites identification and quantitation...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146302/mechanisms-involved-in-bone-resorption-regulated-by-vitamin-d
#8
REVIEW
Yuko Nakamichi, Nobuyuki Udagawa, Tatsuo Suda, Naoyuki Takahashi
Active forms of vitamin D enhance osteoclastogenesis in vitro and in vivo through the vitamin D receptor (VDR) in osteoblast-lineage cells consisting of osteoblasts and osteocytes. This pro-resorptive activity was evident basically with higher concentrations of active vitamin D than those expected in physiological conditions. Nevertheless, vitamin D compounds have been used in Japan for treating osteoporosis to increase bone mineral density (BMD). Of note, the increase in BMD by long-term treatment with pharmacological (=near-physiological) doses of vitamin D compounds was caused by the suppression of bone resorption...
November 13, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29144879/effectiveness-and-impact-of-the-walking-bleach-technique-on-esthetic-self-perception-and-psychosocial-factors-a-randomized-double-blind-clinical-trial
#9
C Bersezio, J Martin, F Peña, M Rubio, J Estay, R Vernal, Ob Oliveira Junior, E Fernández
OBJECTIVE: This trial evaluates the impact of psychosocial and esthetic self-perceptions of patients undergoing nonvital tooth bleaching using the walking bleach technique. We also assessed the clinical effectiveness of bleaching tooth discoloration. METHODS: Fifty volunteers with nonvital tooth discoloration were enrolled. Teeth were randomized into two groups: 35% hydrogen peroxide (n=25) and 37% carbamide peroxide (n=25). Intracoronal bleaching was performed over four sessions using the walking bleach technique...
November 2017: Operative Dentistry
https://www.readbyqxmd.com/read/29142553/psychometric-analysis-of-anatomy-mcqs-in-modular-examination
#10
Zia Ul Islam, Ambreen Usmani
Objective: To analyze the psychometric indices of Anatomy question items in modular system assessment. Methods: A quantitative study was done to determine the quality of MCQs and to analyze the performance of 1(st) year 100 MBBS students. Each module covers different subjects of MBBS curriculum but psychometric analysis was done on the subject of Anatomy only. The assessment results of 3 modules were taken and checked by item analysis to see the mean differences between the modules using ANOVA...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142292/urinary-volatile-organic-compounds-in-overweight-compared-to-normal-weight-children-results-from-the-italian-i-family-cohort
#11
Rosaria Cozzolino, Beatrice De Giulio, Pasquale Marena, Antonella Martignetti, Kathrin Günther, Fabio Lauria, Paola Russo, Matteo Stocchero, Alfonso Siani
Accumulating evidence shows that urinary volatile organic compounds (VOCs) could be perturbed in many physiological and pathological states, including several diseases and different dietary exposures. Few studies investigated the urinary metabolic signature associated to excess body weight and obesity in adult populations, while a different VOCs profile was found in exhaled breath in obese as compared to lean children. Aim of this study was to evaluate the VOCs profile in the urine of 21 overweight/obese (OW/Ob) and 28 normal-weight (NW) children belonging to the Italian cohort of the I...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138440/structural-basis-for-dna-recognition-of-a-single-stranded-dna-binding-protein-from-enterobacter-phage-enc34
#12
Elina Cernooka, Janis Rumnieks, Kaspars Tars, Andris Kazaks
Modern DNA sequencing capabilities have led to the discovery of a large number of new bacteriophage genomes, which are a rich source of novel proteins with an unidentified biological role. The genome of Enterobacter cancerogenus bacteriophage Enc34 contains several proteins of unknown function that are nevertheless conserved among distantly related phages. Here, we report the crystal structure of a conserved Enc34 replication protein ORF6 which contains a domain of unknown function DUF2815. Despite the low (~15%) sequence identity, the Enc34 ORF6 structurally resembles the gene 2...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29132537/nfil3-is-a-negative-regulator-of-hepatic-gluconeogenesis
#13
Geon Kang, Hye-Sook Han, Seung-Hoi Koo
OBJECTIVE: Nuclear factor interleukin-3 regulated (NFIL3) has been known as an important transcriptional regulator of the development and the differentiation of immune cells. Although expression of NFIL3 is regulated by nutritional cues in the liver, the role of NFIL3 in the glucose metabolism has not been extensively studied. Thus, we wanted to explore the potential role of NFIL3 in the control of hepatic glucose metabolism. MATERIALS/METHODS: Mouse primary hepatocytes were cultured to perform western blot analysis, Q-PCR and chromatin immunoprecipitation assay...
December 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29132429/characterization-of-skin-function-associated-with-obesity-and-specific-correlation-to-local-systemic-parameters-in-american-women
#14
Shinobu Mori, Akiko Shiraishi, Karen Epplen, Desiree Butcher, Daiki Murase, Yuka Yasuda, Takatoshi Murase
BACKGROUND: Obesity is considered problematic not only as a major cause of diabetes, hypertension, and dyslipidemia, but also as a risk of intractable dermatosis; however influence of obesity on skin function has not been clarified. To clarify the mechanism of obesity-associated skin disorders, we aimed to characterize the skin function of subjects with obesity, and identify possible influencing factors. METHODS: Complex analyses including instrumental measurement, biochemical and lipidomics were performed for facial skin and physical evaluation in 93 Caucasian women with obesity (OB) and non-obesity (NOB)...
November 13, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29132422/cellular-origin-of-the-viral-capsid-like-bacterial-microcompartments
#15
Mart Krupovic, Eugene V Koonin
ᅟ: Bacterial microcompartments (BMC) are proteinaceous organelles that structurally resemble viral capsids, but encapsulate enzymes that perform various specialized biochemical reactions in the cell cytoplasm. The BMC are constructed from two major shell proteins, BMC-H and BMC-P, which form the facets and vertices of the icosahedral assembly, and are functionally equivalent to the major and minor capsid proteins of viruses, respectively. This equivalence notwithstanding, neither of the BMC proteins displays structural similarity to known capsid proteins, rendering the origins of the BMC enigmatic...
November 13, 2017: Biology Direct
https://www.readbyqxmd.com/read/29132035/brain-volume-in-early-ms-patients-with-and-without-igg-oligoclonal-bands-in-csf
#16
G Fenu, L Lorefice, V Sechi, L Loi, F Contu, F Cabras, G Coghe, J Frau, M A Secci, C Melis, L Schirru, G Costa, V Melas, M Arru, M A Barracciu, M G Marrosu, E Cocco
BACKGROUND: Oligoclonal bands of IgG (OB) are proposed as an early prognostic factor of the disease. Growing attention is directed towards brain volume evaluation as a possible marker of the severity of MS. Previous studies found that MS patients lacking OB have less brain atrophy. AIM: to evaluate a possible relationship between OB and cerebral volume in a cohort of early MS patients. METHODS: Inclusion criteria were: diagnosis of relapsing-remitting MS; CSF analysis and MRI acquired simultaneously and within 12 months from clinical onset...
November 8, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29128717/in-vivo-bioelectronic-nose-using-transgenic-mice-for-specific-odor-detection
#17
Keqiang Gao, Songmin Li, Liujing Zhuang, Zhen Qin, Bin Zhang, Liquan Huang, Ping Wang
The olfactory system is a natural biosensor since its peripheral olfactory sensory neurons (OSNs) respond to the external stimuli and transmit the signals to the olfactory bulb (OB) where they are integrated and processed. The axonal connections from the OSNs expressing about 1000 different types of odorant receptors are precisely organized and sorted out onto 1800 glomeruli in the OB, from which the olfactory information is delivered to and perceived by the central nervous system. This process is carried out with particularly high sensitivity, specificity and rapidity, which can be used for explosive detection...
October 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29128140/comparative-assessment-of-serum-adipokines-zinc-%C3%AE-2-glycoprotein-and-adipose-triglyceride-lipase-and-cardiovascular-risk-factors-between-normal-weight-and-obese-patients-with-hemodialysis
#18
Mohammad Javad Hosseinzadeh-Attar, Mitra Mahdavi-Mazdeh, Mehdi Yaseri, Narges Sadat Zahed, Elham Alipoor
BACKGROUND: Little is known about the potential relationship of obesity, adipose tissue and novel adipokines with cardiometabolic risk factors in end-stage renal disease. Zinc-α2-glycoprotein (ZAG) and adipose triglyceride lipase (ATGL) are novel adipokines with proposed desirable effects on inflammation, and lipid and glucose metabolism. The aim of this study was to investigate serum concentrations of ZAG and ATGL, and the relationship of these adipokines with cardiovascular risk factors in normal weight (NW) and obese (OB) patients undergoing hemodialysis...
November 8, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29124773/consumption-of-orange-fermented-beverage-improves-antioxidant-status-and-reduces-peroxidation-lipid-and-inflammatory-markers-in-healthy-humans
#19
Blanca Escudero-López, Ángeles Ortega, Isabel Cerrillo, María-Rosario Rodríguez-Griñolo, Rocío Muñoz-Hernández, Hada C Macher, Franz Martín, Dámaso Hornero-Méndez, Pedro Mena, Daniele Del Rio, María-Soledad Fernández-Pachón
BACKGROUND: Alcoholic fermentation of fruits has generated novel products with high concentrations of bioactive compounds and moderate alcohol content. The aim of this study was to evaluate the potential effect on cardiovascular risk factors of the regular consumption by healthy humans of a beverage obtained by alcoholic fermentation and pasteurization of orange juice. RESULTS: Thirty healthy volunteers were enrolled in a randomized controlled study. The experimental group (n=15) drank 500 mL orange beverage (OB) day(-1) for 2 weeks (intervention phase), followed by a 3-week washout phase...
November 9, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29122890/microrna-30c-reduces-plasma-cholesterol-in-homozygous-familial-hypercholesterolemic-and-type-2-diabetic-mouse-models
#20
Sara Irani, Jahangir Iqbal, W James Antoni, Laraib Ijaz, M Mahmood Hussain
High plasma cholesterol levels are found in several metabolic disorders and their reductions are advocated to reduce risk of atherosclerosis. A way to lower plasma lipids is to curtail lipoprotein production; however, this is associated with steatosis. We previously showed that microRNA-30c (miR-30c) lowers diet-induced hypercholesterolemia and atherosclerosis in C57BL/6J and Apoe-/- mice. Here, we tested miR-30c effect on plasma lipids, transaminases and hepatic lipids in different mouse models. Hepatic delivery of miR-30c to chow fed leptin deficient (ob/ob) and leptin receptor deficient (db/db) hypercholesterolemic and hyperglycemic mice reduced cholesterol in total plasma and VLDL/LDL by ~28% and ~25%, respectively, without affecting triglyceride and glucose levels...
November 9, 2017: Journal of Lipid Research
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