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https://www.readbyqxmd.com/read/28738526/the-potential-of-chrysophanol-in-protecting-against-high-fat-induced-cardiac-injury-through-nrf2-regulated-anti-inflammation-anti-oxidant-and-anti-fibrosis-in-nrf2-knockout-mice
#1
Yonggang Lian, Xiangjun Xia, Haiying Zhao, Yunfeng Zhu
Cardiovascular complications induced by high fat are one of the most challenging health problems presently. Oxidative stress, inflammation and fibrosis are major components included in the pathology of diabetic cardiomyopathy. Nuclear factor erythroid 2-related factor 2 (Nrf2) has been reported as an essential therapeutic target in various diseases for its induction of anti-oxidant enzymes, and other protective enzymes. Additionally, a number of Nrf2 activators showed strong anti-inflammatory properties. In the study, we calculated the Nrf2-dependent anti-oxidant, anti-inflammatory and anti-fibrosis effects of chrysophanol in high fat diet-induced diabetic heart injury...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738346/synergistic-activity-of-berberine-with-azithromycin-against-pseudomonas-aeruginosa-isolated-from-patients-with-cystic-fibrosis-of-lung-in-vitro-and-in-vivo
#2
YongTao Li, JianRong Huang, LanJuan Li, LinSheng Liu
BACKGROUND/AIMS: Pseudomonas aeruginosa (PA) is one of the major opportunistic pathogens which can cause chronic lung infection of cystic fibrosis (CF). The formation of PA biofilm promotes CF development and restricts the antimicrobial efficacies of current antibiotics. METHODS: The antimicrobial effects of azithromycin (AZM) and berberine (BER) alone and in combination were evaluated using microdilution method, checkerboard assay, time-kill test, qRT-PCR analysis and absorption method...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738321/serum-phospholipid-fatty-acid-composition-in-cystic-fibrosis-patients-with-and-without-liver-cirrhosis
#3
Sławomira Drzymała-Czyż, Mariusz Szczepanik, Patrycja Krzyżanowska, Monika Duś-Żuchowska, Andrzej Pogorzelski, Ewa Sapiejka, Paweł Juszczak, Aleksandra Lisowska, Berthold Koletzko, Jarosław Walkowiak
BACKGROUND/AIMS: Cystic fibrosis (CF) liver disease is the third most frequent cause of death in CF patients. Although it alters fatty acid (FA) metabolism, data concerning the profile of FA in CF patients with liver cirrhosis is lacking. This study aimed to assess the FA composition of serum phospholipids in CF patients with and without liver cirrhosis. METHODS: The study comprised 25 CF patients with liver cirrhosis and 25 without it. We assessed Z-scores for body height and weight, lung function, exocrine pancreatic sufficiency and colonization with Pseudomonas aeruginosa...
July 22, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28737766/endothelial-fibrosis-induced-by-suppressed-stat3-expression-mediated-by-signaling-involving-the-tgf-%C3%AE-1-alk5-smad-pathway
#4
Alvaro Becerra, Macarena Rojas, Alejandro Vallejos, Vicente Villegas, Lorena Pérez, Claudio Cabello-Verrugio, Felipe Simon
During systemic inflammatory pathologies, mediators of inflammation circulate in the bloodstream and interact with endothelial cells (ECs), resulting in endothelial dysfunction that maintains and enhances the pathological condition. Inflammatory mediators change the protein expression profile of ECs, which become activated fibroblasts via endothelial-to-mesenchymal transition. This process is characterized by downregulated endothelial proteins and strongly upregulated fibrotic-specific genes and extracellular matrix-forming proteins...
July 24, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28737764/paired-related-homeobox-protein-1-regulates-pdgf-induced-chemotaxis-of-hepatic-stellate-cells-in-liver-fibrosis
#5
Jin Gong, Jian Han, Jiayi He, Jingmei Liu, Ping Han, Yunwu Wang, Mengke Li, Dongxiao Li, Xiangming Ding, Zhipeng Du, Jiazhi Liao, Dean Tian
Activation of the platelet-derived growth factor (PDGF)/PDGF beta receptor (PDGFβR) axis has a critical role in liver fibrosis. However, the mechanisms that regulate the PDGF signaling are yet to be elucidated. The present study demonstrates that paired related homeobox protein 1 (Prrx1) is involved in PDGF-dependent hepatic stellate cell (HSCs) migration via modulation of the expression of metalloproteinases MMP2 and MMP9. PDGF elevated the level of Prrx1 through the activation of ERK/Sp1 and PI3K/Akt/Ets1 pathways...
July 24, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28737649/race-age-and-geography-impact-hepatitis-c-genotype-distribution-in-the-united-states
#6
Stuart C Gordon, Sheri Trudeau, Jia Li, Yueren Zhou, Loralee B Rupp, Scott D Holmberg, Anne C Moorman, Philip R Spradling, Eyasu Teshale, Joseph A Boscarino, Yihe G Daida, Mark A Schmidt, Mei Lu
GOALS: To determine the impact of geography and patient characteristics on hepatitis C virus (HCV) genotype and subtype distribution in a large sample of patients under routine clinical care BACKGROUND:: HCV genotype impacts disease course and response to treatment. Although several studies have reported genotype distribution within specific US populations, there are no comprehensive descriptions in large, geographically diverse cohorts. STUDY: Using data from the Chronic Hepatitis Cohort Study, we present the distribution of HCV genotypes (GT) and subtypes (ST) among a racially diverse cohort of over 8000 HCV-infected patients from four large US health systems...
July 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28737569/elevated-hemoglobin-level-is-associated-with-advanced-fibrosis-in-pediatric-nonalcoholic-fatty-liver-disease
#7
Valentina Giorgio, Antonella Mosca, Arianna Alterio, Anna Alisi, Antonio Grieco, Valerio Nobili, Luca Miele
OBJECTIVES: Hemoglobin (Hb) and red blood cell distribution width (RDW) have been reported to be a risk marker of metabolic syndrome and nonalcoholic fatty liver disease (NAFLD). No study exists on pediatric populations. We aimed to determine the association between hematological parameters, and the severity of disease in children with biopsy-proven NAFLD. METHODS: A total of 117 children (85 boys, mean age 12 years) with ultrasound evidence of NAFLD undergoing liver biopsy for diagnosis of nonalcoholic steatohepatitis (NASH), were prospectively enrolled between January 2011 and May 2013 in the setting of a tertiary care center...
August 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28737283/prevalence-of-hearing-and-vestibular-loss-in-cystic-fibrosis-patients-exposed-to-aminoglycosides
#8
Jaynee A Handelsman, Samya Z Nasr, Crystal Pitts, William M King
AIM: Cystic Fibrosis (CF) patients frequently use aminoglycosides (AGS) to treat CF exacerbation due to colonization with Pseudomonas aeruginosa. Although AGS can cause vestibular and auditory sensory losses that can negatively impact quality of life, little is known about the prevalence of vestibular loss in this population. The aim of this study was to determine the prevalence of hearing loss and/or vestibular dysfunction in CF patients treated with AGS. METHODS: The relationship between hearing status and vestibular status was also investigated...
July 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28737262/overnight-delivery-of-hypertonic-saline-by-nasal-cannula-aerosol-for-cystic-fibrosis
#9
Timothy E Corcoran, Joseph E Godovchik, Karl H Donn, David R Busick, Jennifer Goralski, Landon W Locke, Matthew R Markovetz, Michael M Myerburg, Ashok Muthukrishnan, Lawrence Weber, Ryan T Lacy, Joseph M Pilewski
AIM: Inhaled hypertonic saline increases mucociliary clearance, improves pulmonary function, and decreases exacerbations in cystic fibrosis (CF) but contributes to the already significant treatment burden of CF. Overnight delivery of inhaled medications via a specially designed nasal cannula-aerosol device (Trans-nasal Pulmonary Aerosol Delivery [tPAD]) is an alternative approach. Here, we test whether overnight inhalation of hypertonic saline via tPAD improves mucociliary clearance and assess the tolerability of the device...
July 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28737258/preclinical-alterations-in-myocardial-microstructure-in-people-with-metabolic-syndrome
#10
Jennifer E Ho, Youssef Rahban, Harpaul Sandhu, Pranoti G Hiremath, Nir Ayalon, Fuzhong Qin, Alejandro J Perez, Jill Downing, Deepa M Gopal, Susan Cheng, Wilson S Colucci
OBJECTIVE: Metabolic syndrome (MetS) can lead to myocardial fibrosis, diastolic dysfunction, and eventual heart failure. This study evaluated alterations in myocardial microstructure in people with MetS by using a novel algorithm to characterize ultrasonic signal intensity variation. METHODS: Among 254 participants without existing cardiovascular disease (mean age 42 ± 11 years, 75% women), there were 162 with MetS, 47 with obesity without MetS, and 45 nonobese controls...
July 24, 2017: Obesity
https://www.readbyqxmd.com/read/28737145/congenital-hepatic-fibrosis-with-polycystic-kidney-disease-an-unusual-cause-of-neonatal-cholestasis
#11
Vani Bharani, G Vybhav Venkatesh, Uma Nahar Saikia, B R Thapa
Congenital hepatic fibrosis is characterized by hepatic fibrosis, portal hypertension, and renal cystic disease. Typical presentation of congenital hepatic fibrosis is in the form of portal hypertension, in adolescents and young adults. We present an unusual case of neonatal cholestasis with rapid deterioration within first 4 months of life, who was diagnosed to have congenital hepatic fibrosis with polycystic kidney disease on autopsy.
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28737140/bone-mineral-density-of-indian-children-and-adolescents-with-cystic-fibrosis
#12
Sumita Gupta, Aparna Mukherjee, Rajesh Khadgawat, Madhulika Kabra, Rakesh Lodha, Sushil K Kabra
OBJECTIVE: To document bone mineral density of children and adolescents with cystic fibrosis. DESIGN: Cross-sectional study. SETTING: Tertiary-care center of Northern India, July 2012 to August 2015. PARTICIPANTS: 52 children aged 6-18 years with cystic fibrosis and 62 healthy controls of similar age and sex. METHODS: Both patients and controls were stratified into two groups, as pre-pubertal and peri-/post-pubertal, and compared for whole body bone mineral density, measured using dual energy X-ray absorptiometry...
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28737138/optimizing-bone-health-in-cystic-fibrosis-success-is-the-sum-of-small-efforts
#13
Sonal Kansra, Noreen West
No abstract text is available yet for this article.
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28737122/preserved-heart-function-after-left-ventricular-pressure-overload-in-adult-mice-subjected-to-neonatal-cardiac-hypoplasia
#14
K Heinecke, A Heuser, F Blaschke, C Jux, L Thierfelder, J-D Drenckhahn
Intrauterine growth restriction in animal models reduces heart size and cardiomyocyte number at birth. Such incomplete cardiomyocyte endowment is believed to increase susceptibility toward cardiovascular disease in adulthood, a phenomenon referred to as developmental programming. We have previously described a mouse model of impaired myocardial development leading to a 25% reduction of cardiomyocyte number in neonates. This study investigated the response of these hypoplastic hearts to pressure overload in adulthood, applied by abdominal aortic constriction (AAC)...
July 24, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28737112/preoperative-aspartate-aminotransferase-to-platelet-ratio-index-predicts-perioperative-liver-related-complications-following-liver-resection-for-colorectal-cancer-metastases
#15
S Amptoulach, G Gross, C Sturesson, P Rissler, E Kalaitzakis
BACKGROUND AND AIMS: There are limited data on the potential role of preoperative non-invasive markers, specifically the aspartate-to-alanine aminotransferase ratio and the aspartate aminotransferase-to-platelet ratio index, in predicting perioperative liver-related complications after hepatectomy for colorectal cancer metastases. METHODS: Patients undergoing liver resection for colorectal cancer metastases in a European institution during 2003-2010 were retrospectively enrolled...
March 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28737018/increased-myocardial-native-t1-relaxation-time-in-patients-with-nonischemic-dilated-cardiomyopathy-with-complex-ventricular-arrhythmia
#16
Shiro Nakamori, An H Bui, Jihye Jang, Hossam A El-Rewaidy, Shingo Kato, Long H Ngo, Mark E Josephson, Warren J Manning, Reza Nezafat
PURPOSE: To study the relationship between diffuse myocardial fibrosis and complex ventricular arrhythmias (ComVA) in patients with nonischemic dilated cardiomyopathy (NICM). We hypothesized that NICM patients with ComVA would have a higher native myocardial T1 time, suggesting more extensive myocardial diffuse fibrosis. MATERIALS AND METHODS: We prospectively enrolled NICM patients with a history of ComVA (n = 50) and age-matched NICM patients without ComVA (n = 57)...
July 24, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28737008/design-and-synthesis-of-new-4-alkylidene-beta-lactams-benzyl-and-phenethyl-carbamate-as-key-fragments-to-switch-on-the-antibacterial-activity
#17
Daria Giacomini, Giulia Martelli, Miriam Piccichè, Enrico Calaresu, Clementina Elvezia Anna Cocuzza, Rosario Musumeci
The emergence of multidrug resistant bacterial strains is particularly important in some chronic pathologies such as cystic fibrosis (CF), where persistent colonization and selection of resistant strains being favoured by the frequent and repeated use of antibacterial agents. Staphylococcus aureus is a common pathogen in CF patients with an associated increased multidrug resistance. In a previous research we demonstrated that the presence of a 4-alkylidene side chain directly linked to a beta-lactam appeared to strengthen the potency against S...
July 23, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28737007/evaluating-the-efficacy-of-pentoxifylline-in-the-treatment-of-oral-submucous-fibrosis-a-meta-analysis
#18
REVIEW
Jinli Liu, Fangman Chen, Zihao Wei, Min Qiu, Zheru Li, Hongxia Dan, Qianming Chen, Lu Jiang
OBJECTIVES: Oral submucous fibrosis (OSMF), a potentially malignant oral cavity disorder that causes speech and mastication problems, lacks an established treatment regimen; moreover, no treatment can effectively reverse the course of OSMF. A meta-analysis was conducted to investigate the efficacy of the peripheral vasodilator, pentoxifylline, in the treatment of OSMF. METHODS: We searched five different databases for studies meeting our eligibility criteria (up to June 30, 2017)...
July 24, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28736875/assessment-of-unilateral-ureter-obstruction-with-multi-parametric-mri
#19
Feng Wang, Keiko Takahashi, Hua Li, Zhongliang Zu, Ke Li, Junzhong Xu, Raymond C Harris, Takamune Takahashi, John C Gore
PURPOSE: Quantitative multi-parametric MRI (mpMRI) methods may allow the assessment of renal injury and function in a sensitive and objective manner. This study aimed to evaluate an array of MRI methods that exploit endogenous contrasts including relaxation rates, pool size ratio (PSR) derived from quantitative magnetization transfer (qMT), chemical exchange saturation transfer (CEST), nuclear Overhauser enhancement (NOE), and apparent diffusion coefficient (ADC) for their sensitivity and specificity in detecting abnormal features associated with kidney disease in a murine model of unilateral ureter obstruction (UUO)...
July 24, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28736729/factors-promoting-development-of-fibrosis-in-crohn-s-disease
#20
REVIEW
Gerhard Rogler, Martin Hausmann
The concepts on the pathophysiology of intestinal fibrosis in Crohn's disease (CD) have changed in recent years. Some years ago fibrosis was regarded to be a consequence of long-standing inflammation with subsequent destruction of the gut wall matrix followed by scar formation and collagen deposition. Fibrosis in CD patients appeared to be an irreversible process that could hardly be influenced. Therefore, the main target in CD therapy was to control inflammation to avoid fibrosis development. Many of these assumptions seem to be only partially true...
2017: Frontiers in Medicine
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