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https://www.readbyqxmd.com/read/29156807/halofuginone-inhibits-tgf-%C3%AE-bmp-signaling-and-in-combination-with-zoledronic-acid-enhances-inhibition-of-breast-cancer-bone-metastasis
#1
Patricia Juárez, Pierrick G J Fournier, Khalid S Mohammad, Ryan C McKenna, Holly W Davis, Xiang H Peng, Maria Niewolna, Alain Mauviel, John M Chirgwin, Theresa A Guise
More efficient therapies that target multiple molecular mechanisms are needed for the treatment of incurable bone metastases. Halofuginone is a plant alkaloid-derivative with antiangiogenic and antiproliferative effects. Here we demonstrate that halofuginone is an effective therapy for the treatment of bone metastases, through multiple actions that include inhibition of TGFβ and BMP-signaling. Halofuginone blocked TGF-β-signaling in MDA-MB-231 and PC3 cells showed by inhibition of TGF-β-induced Smad-reporter, phosphorylation of Smad-proteins, and expression of TGF-β-regulated metastatic genes...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156647/effects-of-nutritional-interventions-during-pregnancy-on-infant-and-child-cognitive-outcomes-a-systematic-review-and-meta-analysis
#2
REVIEW
Rachael M Taylor, Shanna M Fealy, Alessandra Bisquera, Roger Smith, Clare E Collins, Tiffany-Jane Evans, Alexis J Hure
BACKGROUND: Epidemiological studies have demonstrated that folate, iodine and iron intake during pregnancy impacts on foetal brain development and cognitive function. However, in human studies, the relationship with other dietary nutrients is less clear. OBJECTIVE: This systematic review aims to critically appraise the current literature and meta-analyses results from nutritional interventions during pregnancy that aimed to optimise infant and child cognitive outcomes...
November 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29156548/patient-provider-communication-and-counseling-about-gestational-weight-gain-and-physical-activity-a-qualitative-study-of-the-perceptions-and-experiences-of-latinas-pregnant-with-their-first-child
#3
Ana Cristina Lindsay, Sherrie F Wallington, Mary L Greaney, Marcia M Tavares Machado, Gabriela P De Andrade
Latina women in the United States (U.S.) are disproportionately affected by obesity and are more likely to begin pregnancy overweight and gain excessive weight during pregnancy. The prenatal care period represents a window of opportunity for women to access the healthcare system and receive preventive services, education, nutritional support, and other social services to improve pregnancy outcomes. Excessive gestational weight gain (GWG) has numerous negative short- and long-term consequences for both the mother and newborn...
November 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29156513/production-and-characterization-of-keratinolytic-proteases-by-a-chicken-feather-degrading-thermophilic-strain-thermoactinomyces-sp-yt06
#4
Lin Wang, Yuting Qian, Yun Cao, Ying Huang, Zhizhou Chang, Hongying Huang
Thermoactinomyces sp. strain YT06 was isolated from poultry compost and observed to degrade integral chicken feathers at 60°C completely, resulting in the formation of 3.24 mg/mL of free amino acid from 50 mL of culture containing 10 g/L chicken feathers. Strain YT06 could grow and secret keratinase using feather as the only carbon and nitrogen sources without other supplement, but complementation of 10 g/L sucrose and 4 g/L NaNO₃ increased the production of the keratinolytic enzyme. The maximum protease activities obtained were 110 U/mL and keratinase were 42 U/mL...
November 21, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29156387/biotransformation-and-detoxification-of-selenite-by-microbial-biogenesis-of-selenium-sulfur-nanoparticles
#5
M Vogel, S Fischer, A Maffert, R Hübner, A C Scheinost, C Franzen, R Steudtner
This study combines the interaction between the toxic oxyanions selenite and selenate and the plant growth promoting bacterium Azospirillum brasilense with a comprehensive characterization of the formed selenium particles. As selenium is an essential trace element, but also toxic in high concentrations, its state of occurrence in nature is of major concern. Growth of the bacterium was affected by selenite (1-5mM) only, observable as a prolonged growth lag-phase of 3days. Subsequently, selenite reduction occurred under aerobic conditions resulting in extracellularly formed insoluble Se(0) particles...
October 27, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29156373/mitochondria-targeted-ubiquinone-mitoq-enhances-acetaldehyde-clearance-by-reversing-alcohol-induced-posttranslational-modification-of-aldehyde-dehydrogenase-2-a-molecular-mechanism-of-protection-against-alcoholic-liver-disease
#6
Liuyi Hao, Qian Sun, Wei Zhong, Wenliang Zhang, Xinguo Sun, Zhanxiang Zhou
Alcohol metabolism in the liver generates highly toxic acetaldehyde. Breakdown of acetaldehyde by aldehyde dehydrogenase 2 (ALDH2) in the mitochondria consumes NAD(+) and generates reactive oxygen/nitrogen species, which represents a fundamental mechanism in the pathogenesis of alcoholic liver disease (ALD). A mitochondria-targeted lipophilic ubiquinone (MitoQ) has been shown to confer greater protection against oxidative damage in the mitochondria compared to untargeted antioxidants. The present study aimed to investigate if MitoQ could preserve mitochondrial ALDH2 activity and speed up acetaldehyde clearance, thereby protects against ALD...
November 11, 2017: Redox Biology
https://www.readbyqxmd.com/read/29156325/differential-partitioning-of-rumen-protected-n-3-and-n-6-fatty-acids-into-muscles-with-different-metabolism
#7
C Wolf, S E Ulbrich, M Kreuzer, J Berard, K Giller
Bioavailability of polyunsaturated fatty acids (PUFA) in ruminants is enhanced by their protection from ruminal biohydrogenation. Both n-3 and n-6 PUFA fulfil important physiological functions. We investigated potentially different incorporation patterns of these functional PUFA into three beef muscles with different activity characteristics. We supplemented 33 Angus heifers with rumen-protected oils characterized either by mainly C18:2 n-6 (linoleic acid (LA) in sunflower oil) or by C20:5 (eicosapentaenoic acid (EPA)) and C22:6 (docosahexaenoic acid (DHA)), both prevalent n-3 PUFA in fish oil...
November 6, 2017: Meat Science
https://www.readbyqxmd.com/read/29156305/effect-of-dietary-supplementation-with-spirulina-platensis-on-atrazine-induced-oxidative-stress-mediated-hepatic-damage-and-inflammation-in-the-common-carp-cyprinus-carpio-l
#8
Hosam Toughan, Samah R Khalil, Ashraf Ahmed El-Ghoneimy, Ashraf Awad, A Sh Seddek
The present study evaluated the potential modulatory effect(s) of dietary supplementation with Spirulina platensis (SP) on Atrazine (ATZ)-induced oxidative stress and inflammation in common carp (Cyprinus carpio L.). Common carp was exposed to ATZ (428μg/L) and SP (1%), either alone or in combination, for 40 days. Subsequently, the treatment groups were evaluated for ATZ-induced oxidative stress-mediated hepatic damage and the potential antioxidant effect(s) of SP supplementation. The results indicated that ATZ exposure led to a significant increase in the oxidative stress as suggested by the increased levels of lipid and DNA oxidative damage markers and the significant decline of antioxidant status biomarkers...
November 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29156272/a-quantitative-assessment-of-distributions-and-sources-of-tropospheric-halocarbons-measured-in-singapore
#9
Sayantan Sarkar, Wei Hong Fan, Shiguo Jia, Donald R Blake, Jeffrey S Reid, Puji Lestari, Liya E Yu
This work reports the first ground-based atmospheric measurements of 26 halocarbons in Singapore, an urban-industrial city-state in Southeast (SE) Asia. A total of 166 whole air canister samples collected during two intensive 7 Southeast Asian Studies (7SEAS) campaigns (August-October 2011 and 2012) were analyzed for C1-C2 halocarbons using gas chromatography-electron capture/mass spectrometric detection. The halocarbon dataset was supplemented with measurements of selected non-methane hydrocarbons (NMHCs), C1-C5 alkyl nitrates, sulfur gases and carbon monoxide to better understand sources and atmospheric processes...
November 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29156194/editorial-special-supplement-of-the-european-journal-of-pharmaceutical-sciences-on-the-occasion-of-the-retirement-of-professor-meindert-danhof-as-professor-of-pharmacology-at-leiden-university
#10
EDITORIAL
Koos Burggraaf, Douwe Breimer, Piet van der Graaf, Liesbeth de Lange
No abstract text is available yet for this article.
November 15, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29156152/limited-effect-of-omega-3-fatty-acids-on-the-quality-of-life-in-survivors-of-traumatic-injury-a-randomized-placebo-controlled-trial
#11
Hiroko Noguchi, Daisuke Nishi, Kenta Matsumura, Kei Hamazaki, Tomohito Hamazaki, Yutaka J Matsuoka
Empirical evidence is divided on whether n-3 polyunsaturated fatty acid levels are associated with quality of life (QOL). This study investigated the effects of docosahexaenoic acid (DHA) supplementation on QOL in survivors of traumatic injury. In this secondary analysis of a double-blind, randomized controlled trial, we recruited 110 trauma patients (82% men; mean age, 39.6 years) in an intensive care unit. Fifty-three received DHA-rich supplements and 57 received placebo for 12 weeks. We used the Medical Outcomes Study 36-Item Short Form Health Survey (SF-36) to assess QOL at the end of intervention...
December 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29156149/quantitative-evaluation-of-vertebral-microvascular-permeability-and-fat-fraction-in-alloxan-induced-diabetic-rabbits
#12
Lei Hu, Yun Fei Zha, Li Wang, Liang Li, Dong Xing, Wei Gong, Jiao Wang, Yuan Lin, Fei Fei Zeng, Xue Song Lu
Purpose To determine longitudinal relationships between lumbar vertebral bone marrow permeability and marrow adipose tissue in a rabbit diabetes model by using quantitative dynamic contrast agent-enhanced (DCE) magnetic resonance (MR) imaging and iterative decomposition of water and fat with the echo asymmetry and least-squares estimation quantitation (IDEAL IQ) sequence. Materials and Methods Twenty rabbits were randomly assigned to the diabetic (n = 10) or control (n = 10) group. All rabbits underwent sagittal MR imaging of the lumbar region at fixed time points (0, 4, 8, 12, and 16 weeks after alloxan injection)...
November 20, 2017: Radiology
https://www.readbyqxmd.com/read/29156148/cm-101-type-i-collagen-targeted-mr-imaging-probe-for-detection-of-liver-fibrosis
#13
Christian T Farrar, Eric M Gale, Richard Kennan, Ian Ramsay, Ricard Masia, Gunisha Arora, Kailyn Looby, Lan Wei, Jayashree Kalpathy-Cramer, Michelle M Bunzel, Chunlian Zhang, Yonghua Zhu, Taro E Akiyama, Michael Klimas, Shirly Pinto, Himashinie Diyabalanage, Kenneth K Tanabe, Valerie Humblet, Bryan C Fuchs, Peter Caravan
Purpose To evaluate the biodistribution, metabolism, and pharmacokinetics of a new type I collagen-targeted magnetic resonance (MR) probe, CM-101, and to assess its ability to help quantify liver fibrosis in animal models. Materials and Methods Biodistribution, pharmacokinetics, and stability of CM-101 in rats were measured with mass spectrometry. Bile duct-ligated (BDL) and sham-treated rats were imaged 19 days after the procedure by using a 1.5-T clinical MR imaging unit. Mice were treated with carbon tetrachloride (CCl4) or with vehicle two times a week for 10 weeks and were imaged with a 7...
November 20, 2017: Radiology
https://www.readbyqxmd.com/read/29156147/electromagnetic-navigational-bronchoscopy-versus-ct-guided-percutaneous-sampling-of-peripheral-indeterminate-pulmonary-nodules-a-cohort-study
#14
Kavita M Bhatt, Yasmeen K Tandon, Ruffin Graham, Charles T Lau, Jason K Lempel, Joseph T Azok, Peter J Mazzone, Erika Schneider, Nancy A Obuchowski, Michael A Bolen
Purpose To compare the diagnostic yield and complication rates of electromagnetic navigational bronchoscopic (ENB)-guided and computed tomography (CT)-guided percutaneous tissue sampling of lung nodules. Materials and Methods Retrospectively identified were 149 patients sampled percutaneously with CT guidance and 146 patients who underwent ENB with transbronchial biopsy of a lung lesion between 2013 and 2015. Clinical data, incidence of complications, and nodule pathologic analyses were assessed through electronic medical record review...
November 20, 2017: Radiology
https://www.readbyqxmd.com/read/29156145/fractional-flow-reserve-estimated-at-coronary-ct-angiography-in-intermediate-lesions-comparison-of-diagnostic-accuracy-of-different-methods-to-determine-coronary-flow-distribution
#15
Satoru Kishi, Andreas A Giannopoulos, Anji Tang, Nahoko Kato, Yiannis S Chatzizisis, Carole Dennie, Yu Horiuchi, Kengo Tanabe, João A C Lima, Frank J Rybicki, Dimitris Mitsouras
Purpose To compare the diagnostic accuracy of different computed tomographic (CT) fractional flow reserve (FFR) algorithms for vessels with intermediate stenosis. Materials and Methods This cross-sectional HIPAA-compliant and human research committee-approved study applied a four-step CT FFR algorithm in 61 patients (mean age, 69 years ± 10; age range, 29-89 years) with a lesion of intermediate-diameter stenosis (25%-69%) at CT angiography who underwent FFR measurement within 90 days. The per-lesion diagnostic performance of CT FFR was tested for three different approaches to estimate blood flow distribution for CT FFR calculation...
November 20, 2017: Radiology
https://www.readbyqxmd.com/read/29156069/the-role-of-intraoperative-intermittent-pneumatic-compression-devices-in-venous-thromboembolism-prophylaxis-in-total-hip-and-total-knee-arthroplasty
#16
Vineet Tyagi, Paul Tomaszewski, Adam Lukasiewicz, Shahana Theriault, Richard Pelker
Venous thromboembolism (VTE) is a common complication after total hip arthroplasty (THA) and total knee arthroplasty (TKA), occurring in up to 85% of patients who are not treated with prophylaxis. The initiation of VTE development may occur intraoperatively. This study investigated whether this gap in VTE prophylaxis can be addressed by the use of intraoperative intermittent pneumatic compression devices (IPCDs) and if intraoperative IPCDs have a meaningful benefit in preventing symptomatic VTE. The authors defined symptomatic VTE as deep venous thrombosis in either lower extremity or a pulmonary embolism...
November 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/29155919/neonatal-outcomes-in-a-medicaid-population-with-opioid-dependence
#17
Susan B Brogly, Sonia Hernández-Diaz, Emily Regan, Ela Fadli, Kristen A Hahn, Martha M Werler
Confounding may account for the apparent improved infant outcomes after prenatal exposure to buprenorphine versus methadone. We used Massachusetts Medicaid Analytic eXtract (MAX) data to identify a cohort of opioid dependent mother-infant pairs (2006-2011) supplemented with confounder data from an external Boston cohort (2015-2016). Associations between prenatal buprenorphine versus methadone exposure and infant outcomes in the MAX Cohort were adjusted for measured MAX confounders, and unmeasured confounders with bias analysis using External Cohort data...
November 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29155877/immune-response-profiles-of-calves-following-vaccination-with-live-bcg-and-inactivated-mycobacterium-bovis-vaccine-candidates
#18
E M D L van der Heijden, J Chileshe, J C M Vernooij, C Gortazar, R A Juste, I Sevilla, J E Crafford, V P M G Rutten, A L Michel
Conventional control and eradication strategies for bovine tuberculosis (BTB) face tremendous difficulties in developing countries; countries with wildlife reservoirs, a complex wildlife-livestock-human interface or a lack of veterinary and veterinary public health surveillance. Vaccination of cattle and other species might in some cases provide the only suitable control strategy for BTB, while in others it may supplement existing test-and-slaughter schemes. However, the use of live BCG has several limitations and the global rise of HIV/AIDS infections has furthermore warranted the exploration of inactivated vaccine preparations...
2017: PloS One
https://www.readbyqxmd.com/read/29155861/pancreatic-exocrine-insufficiency-in-patients-with-chronic-heart-failure-and-its-possible-association-with-appetite-loss
#19
Tingting Xia, Xichen Chai, Jiaqing Shen
BACKGROUND: Appetite loss is one complication of chronic heart failure (CHF), and its association with pancreatic exocrine insufficiency (PEI) is not well investigated in CHF. AIM: We attempted to detect the association between PEI and CHF-induced appetite. METHODS: Patients with CHF were enrolled, and body mass index (BMI), left ventricular ejection fraction (LVEF), New York Heart Association (NYHA) cardiac function grading, B-type natriuretic peptide (BNP), serum albumin, pro-albumin and hemoglobin were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/29155840/indications-and-determinants-of-caesarean-section-delivery-evidence-from-a-population-based-study-in-matlab-bangladesh
#20
Tahmina Begum, Aminur Rahman, Herfina Nababan, Dewan Md Emdadul Hoque, Al Fazal Khan, Taslim Ali, Iqbal Anwar
BACKGROUND AND METHODS: Caesarean section (C-section) is a major obstetric intervention for saving lives of women and their newborns from pregnancy and childbirth related complications. Un-necessary C-sections may have adverse impact upon maternal and neonatal outcomes. In Bangladesh there is paucity of data on clinical indication of C-section at population level. We conducted a retrospective study in icddr,b Health and Demographic Surveillance System (HDSS) area of Matlab to look into the indications and determinants of C-sections...
2017: PloS One
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