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https://www.readbyqxmd.com/read/28101940/chronic-nasal-exposure-to-nanoparticulate-tio2-causes-pulmonary-tumorigenesis-in-male-mice
#1
Fashui Hong, Li Ji, Yingjun Zhou, Ling Wang
Chronic inhalation bioassays in rodents are used to assess pulmonary carcinogenicity for purposes of hazard identification and potentially for risk characterization. Numerous studies have been confirmed that exposure to titanium dioxide nanoparticles (TiO2 NPs) may result in chronic pulmonary inflammation in both mice and rats. However, very few studies have focused on the pulmonary tumorigenesis. In this study, to examine whether chronic TiO2 NP exposure induce tumorigenesis in the lung, forty mice (each group) were nasally exposed to 1...
January 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28101628/rho-kinase-inhibitor-fasudil-mitigates-high-cholesterol-diet-induced-hypercholesterolemia-and-vascular-damage
#2
Nibrass Taher Abdali, Awny H Yaseen, Eman Said, Tarek M Ibrahim
The current study was designed to investigate the potential beneficial therapeutic outcome of Rho kinase inhibitor (fasudil) against hypercholesterolemia-induced myocardial and vascular injury in rabbits together with diet modification. Sixteen male rabbits were randomly divided into four groups: normal control group which received standard rabbit chow, hypercholesterolemic control group, and treated groups which received cholesterol-rich rabbit chow (1.5% cholesterol) for 8 weeks. Treated groups received either fasudil (100 mg/kg/day) or rosuvastatin (2...
January 18, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28101335/novel-snps-in-il-17f-and-il-17a-genes-associated-with-somatic-cell-count-in-chinese-holstein-and-inner-mongolia-sanhe-cattle
#3
Tahir Usman, Yachun Wang, Chao Liu, Yanghua He, Xiao Wang, Yichun Dong, Hongjun Wu, Airong Liu, Ying Yu
BACKGROUND: Bovine mastitis is the most common and costly disease of lactating cattle worldwide. Apart from milk somatic cell count (SCC) and somatic cell score (SCS), serum cytokines such as interleukin-17 (IL-17) and interleukin-4 (IL-4) may also be potential indicators for bovine mastitis. The present study was designed to investigate the effects of single nucleotide polymorphisms (SNPs) in bovine IL-17F and IL-17A genes on SCC, SCS and serum cytokines in Chinese Holstein and Inner-Mongolia Sanhe cattle, and to compare the mRNA expression variations of the cows with different genotypes...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28099399/the-association-of-serum-25-hydroxyvitamin-d-with-biomarkers-of-hemolysis-in-pediatric-patients-with-sickle-cell-disease
#4
Samuel A Adegoke, Josefina A P Braga, Adekunle D Adekile, Maria S Figueiredo
Although vitamin D deficiency (VDD) has been linked to anemia among sickle cell disease (SCD), its relationship with hemolysis is unclear. Serum 25-hydroxyvitamin D and biomarkers of hemolysis (hemoglobin [Hb]/hematocrit, reticulocyte percentage, absolute reticulocyte, and lactate dehydrogenase [LDH] levels) in 36 hydroxyurea-naive SCD children were quantified. Correlations were significantly positive with Hb/hematocrit (r=0.40, P=0.017; r=0.45, P=0.006, respectively); inverse with reticulocyte percentage, absolute reticulocyte, and LDH (r=-0...
January 17, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28099368/recurrence-behavior-in-early-stage-cutaneous-melanoma-pattern-timing-survival-and-influencing-factors
#5
Faruk Tas, Kayhan Erturk
Nearly one-third of all melanoma patients will experience disease recurrence and the majority of the relapses eventually develop metastatic disease as a consequence of disease progression in the early-stage melanoma patients. Although the factors that predict the recurrence have already been described, very few numbers of studies have investigated the natural recurrence history of melanoma. In this retrospective study, we analyzed the time until recurrence along with the patterns and outcomes of the recurrences; thus, we aimed to understand the possible factors that might influence the recurrence course in early-stage cutaneous melanoma at the first relapse...
January 17, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28096493/combining-standard-clinical-blood-values-for-improving-survival-prediction-in-patients-with-newly-diagnosed-brain-metastases-development-and-validation-of-the-labbm-score
#6
Anna S Berghoff, Fabian Wolpert, Tim Holland-Letz, Romina Koller, Georg Widhalm, Brigitte Gatterbauer, Karin Dieckmann, Peter Birner, Rupert Bartsch, Christoph C Zielinski, Michael Weller, Matthias Preusser
BACKGROUND: We aimed to investigate the potential of standard hematologic and serum biochemical parameters to provide an independent and substantial contribution to the prediction of survival in patients with newly diagnosed brain metastases (BM). METHODS: Hemoglobin, white blood cell count, platelet count, serum albumin, creatinine, lactate dehydrogenase (LDH), and C-reactive protein (CRP) were assessed at diagnosis of BM in a discovery cohort of 1200 cancer patients...
January 17, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28094879/nutritional-inflammatory-and-ecological-correlates-of-maternal-retinol-allocation-to-breast-milk-in-agro-pastoral-ariaal-communities-of-northern-kenya
#7
Masako Fujita, Yun-Jia Lo, Eleanor Brindle
OBJECTIVES: Vitamin A (VA) is an essential micronutrient required for a range of biological functions throughout life. VA deficiency (VAD) claims an estimated 1 million preschool children's lives annually. Human milk is enriched with VA (retinol) from the maternal blood, which originates from the hepatic reserve and dietary intake. Secreting retinol into milk will benefit the nursing infant through breast milk, but retaining retinol is also important for the maternal health. Previous studies found that the public health intervention of high-dose VA supplementation to lactating mothers did not significantly lower child mortality...
January 17, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28093125/hairpin-stabilized-fluorescent-silver-nanoclusters-for-quantitative-detection-of-nad-and-monitoring-nad-nadh-based-enzymatic-reactions
#8
Priyamvada Jain, Babina Chakma, Sanjukta Patra, Pranab Goswami
A set of 90 mer long ssDNA candidates, with different degrees of cytosine (C-levels) (% and clusters) was analyzed for their function as suitable Ag-nanocluster (AgNC) nucleation scaffolds. The sequence (P4) with highest C-level (42.2%) emerged as the only candidate supporting the nucleation process as evident from its intense fluorescence peak at λ660 nm. Shorter DNA subsets derived from P4 with only stable hairpin structures could support the AgNC formation. The secondary hairpin structures were confirmed by PAGE, and CD studies...
March 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28088423/effects-of-rumen-protected-capsicum-oleoresin-on-productivity-and-responses-to-a-glucose-tolerance-test-in-lactating-dairy-cows
#9
J Oh, M Harper, F Giallongo, D M Bravo, E H Wall, A N Hristov
The objective of this experiment was to investigate the effects of rumen-protected Capsicum oleoresin (RPC) supplementation on feed intake, milk yield and composition, nutrient utilization, fecal microbial ecology, and responses to a glucose tolerance test in lactating dairy cows. Nine multiparous Holstein cows were used in a replicated 3 × 3 Latin square design balanced for residual effects with three 28-d periods. Each period consisted of 14 d for adaptation and 14 d for data collection and sampling. Treatments were 0 (control), 100, and 200 mg RPC/cow per day...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088395/lactate-and-lactate-pyruvate-ratio-in-the-diagnosis-and-outcomes-of-pediatric-acute-liver-failure
#10
Amy G Feldman, Ronald J Sokol, Regina M Hardison, Estella M Alonso, Robert H Squires, Michael R Narkewicz
OBJECTIVES: To assess the accuracy of blood lactate and lactate: pyruvate molar ratio (L:P) as a screen for mitochondrial, respiratory chain, or fatty acid oxidation disorders in children with pediatric acute liver failure (PALF); to determine whether serum lactate ≥ 2.5 mmol/L or L:P  ≥ 25 correlated with biochemical variables of clinical severity; and to determine whether lactate or L:P is associated with clinical outcome at 21 days. STUDY DESIGN: Retrospective review of demographic, clinical, laboratory, and outcome data for PALF study group participants who had lactate and pyruvate levels collected on the same day...
January 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28087305/circulating-interleukin-18-il-18-is-a-predictor-of-response-to-gemcitabine-based-chemotherapy-in-patients-with-pancreatic-adenocarcinoma
#11
Çiğdem Usul Afsar, Mehmet Karabulut, Senem Karabulut, Halil Alis, Murat Gonenc, Nergiz Dagoglu, Murat Serilmez, Faruk Tas
BACKGROUND: This study was conducted to investigate the serum levels of interleukin-18 (IL-18) in patients with pancreatic adenocarcinoma (PA) and the relationship with tumor progression and known prognostic parameters. METHODS: Thirty-three patients with PA were studied. Serum samples were obtained on first admission before any treatment. Serum IL-18 levels were analyzed using enzyme-linked immunosorbent assay (ELISA). Age- and sex-matched 30 healthy controls were included in the analysis...
January 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28081548/serum-ldh-predicts-benefit-from-bevacizumab-beyond-progression-in-metastatic-colorectal-cancer
#12
Federica Marmorino, Lisa Salvatore, Cecilia Barbara, Giacomo Allegrini, Lorenzo Antonuzzo, Gianluca Masi, Fotios Loupakis, Beatrice Borelli, Silvana Chiara, Maria Chiara Banzi, Emanuela Miraglio, Domenico Amoroso, Francesco Dargenio, Andrea Bonetti, Angelo Martignetti, Myriam Paris, Daniela Tomcikova, Luca Boni, Alfredo Falcone, Chiara Cremolini
BACKGROUND: Different antiangiogenics are currently indicated in the second-line treatment of metastatic colorectal cancer (mCRC), following a first-line bevacizumab-containing treatment. The magnitude of benefit is limited, but no predictors of benefit have been identified. METHODS: A total of 184 mCRC patients progressing to a first-line bevacizumab-containing treatment were randomised in the BEBYP study to continue or not the antiangiogenic in combination with a second-line chemotherapy...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28081510/gestational-and-lactational-exposure-to-di-isobutyl-phthalate-via-diet-in-maternal-mice-decreases-testosterone-levels-in-male-offspring
#13
Xiaoyang Wang, Nan Sheng, Ruina Cui, Hongxia Zhang, Jianshe Wang, Jiayin Dai
Phthalates are a large family of ubiquitous environmental chemicals suspected of being endocrine disruptors, with exposure to these chemicals during prenatal and postnatal development possibly resulting in reproductive disorders. Di-isobutyl phthalate (DiBP) is widely used in consumer and industrial products, and although its exposure in the general population has increased in recent years, the mechanisms behind DiBP-induced reproductive disorders in male offspring remain unclear. Here, pregnant mice were exposed to 0 or 450 mg/kg bw/day DiBP via diet from gestation day (GD) 0 to GD21...
January 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28081344/peripheral-flt-3-ligand-levels-as-a-pathobiological-parameter-duringthe-clinical-course-of-acute-myeloid-leukemia
#14
Memduh Şahin, İbrahim Celalettin Haznedaroğlu, Demircan Özbalcı
BACKGROUND/AIM: FLT-3 ligand is a growth factor affecting the hematopoietic lineage. The aim of this study was to evaluate the variability of peripheral FLT-3 ligand during the clinical course of acute myeloid leukemia (AML) patients. MATERIALS AND METHODS: Twenty-four patients were enrolled in this study in order to assess alterations in the circulating levels of FLT-3 ligand during the clinical course of AML. RESULTS: We studied the association in the diagnostic period between the FLT-3 ligand and peripheral blood cells together with serum electrolytes...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28078858/use-of-lactated-ringer%C3%A2-s-solution-does-not-eliminate-the-risk-of-strong-ion-difference-related-metabolic-acidosis-following-on-pump-cardiac-surgery
#15
T Jovaisa, V Vicka, G Linkaitė, J Guseinovaitė, D Ringaitienė, I Norkienė
There is a growing interest in the effects of plasma sodium levels on postoperative outcomes. A trend of using balanced crystalloid solutions is based on the extensive data on chloride and the strong ion difference-related acidosis. However, effects of sodium are often overlooked in this context. The aim of the study was to establish the effects of the routine use of Lactated Ringer’s Solution (RL) on postoperative changes in sodium concentrations and whether these changes result in metabolic acidosis. We performed database analysis of 358 consecutive elective on-pump cardiac surgery cases in a tertiary referral university hospital...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078246/the-effects-of-crocin-insulin-and-their-co-administration-on-the-heart-function-and-pathology-in-streptozotocin-induced-diabetic-rats
#16
Amir Abbas Farshid, Esmaeal Tamaddonfard, Masoumeh Moradi-Arzeloo, Navideh Mirzakhani
OBJECTIVE: Crocin is a saffron constituent with a potent anti-oxidant activity. The present study investigated the effects of crocin and insulin treatments (alone or in combination) on cardiac function and pathology in diabetic rats. MATERIALS AND METHODS: Diabetes was induced by intraperitoneal (i.p.) injection of streptozotocin (STZ, 50 mg/kg). Thereafter, crocin (5, 10 and 20 mg/kg, i.p.), subcutaneous (s.c.) injection of insulin (4 IU/kg) and their combination were administered for eight weeks...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28077287/iron-oxide-nanoparticles-modulate-heat-shock-proteins-and-organ-specific-markers-expression-in-mice-male-accessory-organs
#17
Kiruthika Sundarraj, Azhwar Raghunath, Lakshmikanthan Panneerselvam, Ekambaram Perumal
With increased industrial utilization of iron oxide nanoparticles (Fe2O3-NPs), concerns on adverse reproductive health effects following exposure have been immensely raised. In the present study, the effects of Fe2O3-NPs exposure in the seminal vesicle and prostate gland were studied in mice. Mice were exposed to two different doses (25 and 50 mg/kg) of Fe2O3-NPs along with the control and analyzed the expressions of heat shock proteins (HSP60, HSP70 and HSP90) and organ specific markers (Caltrin, PSP94, and SSLP1)...
January 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28074799/basic-arterial-blood-gas-biomarkers-as-a-predictor-of-mortality-in-tetralogy-of-fallot-patients
#18
Vandana Bhardwaj, Poonam Malhotra Kapoor, Kalpana Irpachi, Suruchi Ladha, Ujjwal Kumar Chowdhury
BACKGROUND: Serum lactate and base deficit have been shown to be a predictor of morbidity and mortality in critically ill patients. Poor preoperative oxygenation appears to be one of the significant factors that affects early mortality in tetralogy of Fallot (TOF). There is little published literature evaluating the utility of serum lactate, base excess (BE), and oxygen partial pressure (PO 2 ) as simple, widely available, prognostic markers in patients undergoing surgical repair of TOF...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28072864/1h-nmr-metabolomics-reveals-association-of-high-expression-of-inositol-1-4-5-trisphosphate-receptor-and-metabolites-in-breast-cancer-patients
#19
Aru Singh, Raj Kumar Sharma, Megha Chagtoo, Gaurav Agarwal, Nelson George, Neeraj Sinha, Madan M Godbole
1H NMR is used to detect alterations in metabolites and their linkage to metabolic processes in a number of pathological conditions including breast cancer. Inositol 1, 4, 5 trisphosphate (IP3R) receptor is an intracellular calcium channel known to regulate metabolism and cellular bioenergetics. Its expression is up regulated in a number of cancers. However, its linkage to metabolism in disease conditions has not been evaluated. This study was designed to determine the association if any, of these metabolites with altered expression of IP3R in breast cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28072825/dietary-chromium-restriction-of-pregnant-mice-changes-the-methylation-status-of-hepatic-genes-involved-with-insulin-signaling-in-adult-male-offspring
#20
Qian Zhang, Xiaofang Sun, Xinhua Xiao, Jia Zheng, Ming Li, Miao Yu, Fan Ping, Zhixin Wang, Cuijuan Qi, Tong Wang, Xiaojing Wang
Maternal undernutrition is linked with an elevated risk of diabetes mellitus in offspring regardless of the postnatal dietary status. This is also found in maternal micro-nutrition deficiency, especial chromium which is a key glucose regulator. We investigated whether maternal chromium restriction contributes to the development of diabetes in offspring by affecting DNA methylation status in liver tissue. After being mated with control males, female weanling 8-week-old C57BL mice were fed a control diet (CON, 1...
2017: PloS One
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