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https://www.readbyqxmd.com/read/28437891/the-therapeutic-effect-of-nano-encapsulated-and-nano-emulsion-forms-of-carvacrol-on-experimental-liver-fibrosis
#1
Jihan Hussein, Mona El-Banna, Khaled F Mahmoud, Safaa Morsy, Yasmin Abdel Latif, Dalia Medhat, Eman Refaat, Abdel Razik Farrag, Sherien M El-Daly
OBJECTIVE: The present study aimed to compare the therapeutic efficiency of nano-encapsulated and nano-emulsion carvacrol administration on liver injury in thioacetamide (TAA) treated rats. METHODS: To fulfill our target, we used sixty male albino rats classified into six groups as follow: control, nano-encapsulated carvacrol, nano-emulsion carvacrol, thioacetamide, treated nano-encapsulated carvacrol and treated nano-emulsion carvacrol groups. Blood samples were collected from all groups and the separated serum was used for analysis of the following biochemical parameters; aspartate aminotransferase (AST), alanine aminotransferase (ALT), S100 B protein, alpha fetoprotein (AFP) and caspase-3...
April 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437885/sesquiterpenes-evaluation-on-schistosoma-mansoni-survival-excretory-system-and-membrane-integrity
#2
Rosimeire Nunes de Oliveira, Karina Rodrigues Dos Santos, Tiago Manuel Fernandes Mendes, Vera Lúcia Garcia, Adriana Silva Santos Oliveira, Veronica de Lourdes Sierpe Jeraldo, Silmara Marques Allegretti
The main challenge in schistosomiasis control has been the emergence of drug-resistant parasites. Since the 1970's, praziquantel (PZQ) is the single drug for treatment. This fact highlights the importance to research news chemotherapeutic agents. In the last years, S. mansoni excretory system and tegument have been major targets for drug development. The purpose of this study was to evaluate the effect of sesquiterpenes, alpha-humulene and trans-caryophyllene on S. mansoni survival, excretory system and membrane integrity, after in vitro exposure...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437839/semicarbazide-sensitive-amine-oxidase-vascular-adhesion-protein-1-inhibition-reduces-lipopolysaccharide-induced-neuroinflammation
#3
Serena Becchi, Alberto Buson, Jonathan Foot, Wolfgang Jarolimek, Bernard W Balleine
BACKGROUND AND PURPOSE: Neuroinflammation is initiated by a variety of stimuli including infections, sepsis, neurodegenerative diseases or traumatic brain injury and if not adequately controlled can lead to various degrees of neuronal damage and behavioural impairment. A critical event in the initial steps of inflammation is neutrophil extravasation. Semicarbazide sensitive amine oxidase (SSAO, also known as vascular adhesion protein 1 or VAP-1) regulates neutrophil adhesion and extravasation...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437814/assessment-of-early-cardiovascular-risk-in-children-and-adolescents-with-essential-hypertension
#4
Andreja Stelcar, Evgenija Homsak, Natasa Marcun Varda
The aim of our study was to investigate some early markers of hypertensive target organ damage in hypertensive children and adolescents, and to detect those showing most prominent clinical significance. We included 100 children with essential hypertension (EH) and 50 age-matched healthy control children, and evaluated left ventricular mass (LVM), intima-media thickness in the carotid arteries (IMT), pulse wave velocity (PWV), microalbuminuria, biochemical parameters and some adipokines. Statistically significant differences between the 2 groups were observed for HDL-cholesterol, LDL-cholesterol, triglycerides, insulin, uric acid, glucose, apolipoprotein A1, and total adiponectin...
April 24, 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28437683/pink1-and-parkin-emerging-themes-in-mitochondrial-homeostasis
#5
REVIEW
Thomas G McWilliams, Miratul Mk Muqit
The Parkinson's disease (PD)-associated protein kinase, PTEN-induced putative kinase1 (PINK1), and ubiquitin E3 ligase, Parkin function in a common signalling pathway known to regulate mitochondrial network homeostasis and quality control, including mitophagy. The multistep activation of this pathway, as well as an unexpected convergence between the post-translational modifications of ubiquitylation and phosphorylation, has added breadth to our understanding of cellular damage responses during human disease...
April 21, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28437556/inheritance-of-bacterial-spot-resistance-in-capsicum-annuum-var-annuum
#6
L R A Silva, R Rodrigues, S Pimenta, J W S Correa, M S B Araújo, C S Bento, C P Sudré
Since 2008, Brazil is the largest consumer of agrochemicals, which increases production costs and risks of agricultural products, environment, and farmers' contamination. Sweet pepper, which is one of the main consumed vegetables in the country, is on top of the list of the most sprayed crops. The bacterial spot, caused by Xanthomonas spp, is one of the most damaging diseases of pepper crops. Genetic resistant consists of a suitable way of disease control, but development of durable resistant cultivars as well as understanding of plant-bacterium interaction is being a challenge for plant breeders and pathologists worldwide...
April 20, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28437458/isomalto-oligosaccharides-ameliorate-visceral-hyperalgesia-with-repair-damage-of-ileal-epithelial-ultrastructure-in-rats
#7
Weida Wang, Haiwei Xin, Xiucai Fang, Hongtao Dou, Fangyi Liu, Dan Huang, Shaomei Han, Guijun Fei, Liming Zhu, Shenghua Zha, Hong Zhang, Meiyun Ke
BACKGROUND: Treatment of irritable bowel syndrome (IBS) with probiotics has achieved effectiveness to a certain extent. Whether prebiotics will work is still unclear. This study aimed to investigate the therapeutic effects of the prebiotic isomalto-oligosaccharides (IMO) on visceral hypersensitivity (VHS) in rats and to explore potential mechanism. METHODS: Water avoidance stress (WAS) was used to induce VHS in rats. The score for the abdominal withdrawal reflex (AWR) was determined while colorectal distension and compared between VHS group and control group in order to validate VHS preparation...
2017: PloS One
https://www.readbyqxmd.com/read/28437455/effect-of-a-probiotic-beverage-consumption-enterococcus-faecium-crl-183-and-bifidobacterium-longum-atcc-15707-in-rats-with-chemically-induced-colitis
#8
Larissa Sbaglia Celiberto, Raquel Bedani, Naiara Naiana Dejani, Alexandra Ivo de Medeiros, José Antonio Sampaio Zuanon, Luis Carlos Spolidorio, Maria Angela Tallarico Adorno, Maria Bernadete Amâncio Varesche, Fábio Carrilho Galvão, Sandro Roberto Valentini, Graciela Font de Valdez, Elizeu Antonio Rossi, Daniela Cardoso Umbelino Cavallini
BACKGROUND: Some probiotic strains have the potential to assist in relieving the symptoms of inflammatory bowel disease. The impact of daily ingestion of a soy-based product fermented by Enterococcus faecium CRL 183 and Lactobacillus helveticus 416 with the addition of Bifidobacterium longum ATCC 15707 on chemically induced colitis has been investigated thereof within a period of 30 days. METHODS: Colitis was induced by dextran sulfate sodium. The animals were randomly assigned into five groups: Group C: negative control; Group CL: positive control; Group CLF: DSS with the fermented product; Group CLP: DSS with the non-fermented product (placebo); Group CLS: DSS with sulfasalazine...
2017: PloS One
https://www.readbyqxmd.com/read/28436335/localization-of-the-werner-protein-together-with-h2ax-in-%C3%AE-irradiation-induced-neoplastic-transformed-human-mesenchymal-stem-cells
#9
Nedime Serakinci, Tufan Cankaya, Steen Kølvraa
The H2A histone family, member X (H2AX), and Werner (WRN) are important proteins for genome and telomere maintenance. WRN has a major role in genome stability, particularly during DNA replication, transcription, recombination, and repair of DNA double-stranded breaks (DSBs) via base excision repair, homologous recombination, or nonhomologous end joining. H2AX plays a part in the rapid, sensitive, cellular response to the ionizing radiation or DNA-damaging chemotherapeutic agents that cause DSBs. This occurs when radiation-induced DSBs trigger the activation of H2AX and begin the damage-repair process...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28436207/racial-differences-in-the-association-between-heart-rate-variability-and-left-ventricular-mass
#10
LaBarron K Hill, Lana L Watkins, Alan L Hinderliter, James A Blumenthal, Andrew Sherwood
PURPOSE: Increased left ventricular mass (LVM) is an early precursor of target organ damage due to hypertension. Diminished parasympathetic cardiac control has been linked to both hypertension onset and left ventricular impairment; however, emerging evidence suggests that this pattern may be different in African Americans. The present study sought to determine if race impacts the relationship between parasympathetic cardiac control and LVM. METHODS: LVM was assessed via echocardiography in a sample (N = 148) of African American and White adults (Mean age = 33...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28436203/endoplasmic-reticulum-proteostasis-impairment-in-aging
#11
REVIEW
Gabriela Martínez, Claudia Duran-Aniotz, Felipe Cabral-Miranda, Juan P Vivar, Claudio Hetz
Perturbed neuronal proteostasis is a salient feature shared by both aging and protein misfolding disorders. The proteostasis network controls the health of the proteome by integrating pathways involved in protein synthesis, folding, trafficking, secretion, and their degradation. A reduction in the buffering capacity of the proteostasis network during aging may increase the risk to undergo neurodegeneration by enhancing the accumulation of misfolded proteins. As almost one-third of the proteome is synthetized at the endoplasmic reticulum (ER), maintenance of its proper function is fundamental to sustain neuronal function...
April 23, 2017: Aging Cell
https://www.readbyqxmd.com/read/28436119/maternal-hypertrophy-and-diastolic-disfunction-and-brain-natriuretic-peptide-concentration-in-early-and-late-pre-eclampsia
#12
V T M Borges, S G Zanati, M T S PeraÇoli, J R Poiati, M Romão-Veiga, J C PeraÇoli, B Thilaganathan
OBJECTIVE: Pre-eclampsia is associated with maternal cardiac remodelling and diastolic dysfunction. The aim of this study was to assess and compare maternal left ventricular structure and diastolic function and Brain Natriuretic Peptide (BNP) levels in women with early-onset pre-eclampsia (<34 weeks of gestation) and late-onset pre-eclampsia (≥34weeks of gestation). METHODS: A prospective, cross-sectional observational study was performed in 30 women with early-onset pre-eclampsia, 32 with late-onset pre-eclampsia and 23 normotensive controls...
April 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28435981/-iron-metabolism-and-neonatal-hypoxic-ischemic-brain-damage
#13
Kai-Yu Xu, Fan Li
Iron is an essential element for nervous system development, and maintaining a normal iron level in nervous system is controlled by multiple factors. Recent studies reported that iron dysregulation and the following iron metabolic pathways played an important role in hypoxic ischemic brain damage (HIBD) in neonates. Circulatory iron level is altered after hypoxia-ischemia exposure, which may cause abnormal iron deposition in the nervous system followed by neuronal injury. Finding the causing factors for abnormal iron metabolism after hypoxia-ischemia exposure, as well as understanding the mechanisms how iron metabolism contributes to HIBD, will shed lights on HIBD prevention and treatment...
April 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28435200/mycotoxin-binders-potential-on-histological-of-ovary-mice-exposed-by-zearalenone
#14
Abdul Samik, Erma Safitri
AIM: This study was conducted to examine the potential of mycotoxin binder in ceasing zearalenone (ZEN) effect on mice reproduction. ZEN mycotoxin can induce reactive oxygen species that may cause damage and cell death. ZEN is estrogenic so that it may affect the reproductive organs failure. MATERIALS AND METHODS: Mycotoxin binder administration to female mice exposed to ZEN was aimed to count the number of primary follicles, secondary follicles, tertiary follicles, de Graaf's follicles, and the corpus luteum (CL)...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28435079/polyurethane-acrylates-as-effective-substrates-for-sustained-in-vitro-culture-of-human-myotubes
#15
Yosephine Andriani, Jason Chua Min-Wen, Benjamin Chua Yan-Jiang, Phang In Yee, Ng Shyh-Chang, Tan Wui Siew
Muscular disease has debilitating effects with severe damage leading to death. Our knowledge of muscle biology, disease and treatment is largely derived from non human cell models, even though non human cells are known to differ from human cells in their biochemical responses. Attempts to develop highly sought after in vitro human cell models have been plagued by early cell delamination and difficulties in achieving human myotube culture in vitro. In this work, we developed polyurethane acrylate (PUA) materials to support long term in vitro culture of human skeletal muscle tissue...
April 20, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28434264/exploring-effects-of-remote-ischemic-preconditioning-in-a-pig-model-of-hypothermic-circulatory-arrest
#16
Johanna Herajärvi, Tuomas Anttila, Elitsa Y Dimova, Tuomas Laukka, Mikko Myllymäki, Henri Haapanen, Benjamin A Olenchock, Hannu Tuominen, Ulla Puistola, Peeter Karihtala, Kai Kiviluoma, Peppi Koivunen, Vesa Anttila, Tatu Juvonen
OBJECTIVES: During aortic and cardiac surgery, risks for mortality and morbidity are inevitable. Surgical setups involving deep hypothermic circulatory arrest (DHCA) are effective to achieve organ protection against ischemic injury. The aim of this study was to identify humoural factors mediating additive protective effects of remote ischemic preconditioning (RIPC) in a porcine model of DHCA. DESIGN: Twenty-two pigs were randomized into the RIPC group (n = 11) and the control group (n = 11)...
April 24, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28434254/association-of-gstt1-null-xpd-751%C3%A2-cc-and-xpc-939%C3%A2-cc-genotypes-with-increased-levels-of-genomic-damage-among-hospital-pathologists
#17
Alfredo Santovito, Marta Delsoglio, Eleonora Manitta, Giulia Picco, Giulia Meschiati, Michela Chiarizio, Claudio Gendusa, Piero Cervella
CONTEXT: Hospital workers are at risk for genotoxic damage following occupationally exposure to xenobiotics. Pathologists are exposed to chemicals during their use in health care environments, particularly throughout inhalation of airborne agents, absorption through skin or contact with the patient's body fluids. OBJECTIVE: We evaluated the level of genomic damage in a sample of 61 hospital pathologists (occupationally exposed to antineoplastic drugs and sterilizing agents) and 60 control subjects...
April 24, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28434155/nitrogen-fertility-and-abiotic-stresses-management-in-cotton-crop-a-review
#18
Aziz Khan, Daniel Kean Yuen Tan, Muhammad Zahir Afridi, Honghai Luo, Shahbaz Atta Tung, Mir Ajab, Shah Fahad
This review outlines nitrogen (N) responses in crop production and potential management decisions to ameliorate abiotic stresses for better crop production. N is a primary constituent of the nucleotides and proteins that are essential for life. Production and application of N fertilizers consume huge amounts of energy, and excess is detrimental to the environment. Therefore, increasing plant N use efficiency (NUE) is important for the development of sustainable agriculture. NUE has a key role in crop yield and can be enhanced by controlling loss of fertilizers by application of humic acid and natural polymers (hydrogels), having high water-holding capacity which can improve plant performance under field conditions...
April 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28433998/interferon-%C3%AE-1a-modulates-expression-of-rage-but-not-s100a12-and-nuclear-factor-%C3%AE%C2%BAb-in-multiple-sclerosis-patients
#19
Gholamreza Asadikaram, Saam Noroozi, Hossein Ali Ebrahimi Meimand, Mojgan Sanjari, Nahid Zainodini, Hossein Khoramdelazad, Nader Shahrokhi, Mohammad Kazemi Arababadi
OBJECTIVES: Interferon-β 1a (IFN-β 1a) is a common strategy therapy for multiple sclerosis (MS) with unknown mechanisms. S100A12 (S100 calcium-binding protein A12) is a damage-associated molecular pattern molecule which binds to its receptor, RAGE (receptor for advanced glycation end products), and activates nuclear factor-κB (NF-κB). NF-κB is transcribed from proinflammatory molecules, which may participate in the pathogenesis of MS. Therefore, the aims of this study were to compare mRNA levels of S100A12, RAGE, and NF-κB in newly diagnosed MS patients with healthy controls and determine whether IFN-β 1a therapy affects the expression of the molecules...
April 22, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28433809/biocorona-formation-on-gold-nanoparticles-modulates-human-proximal-tubule-kidney-cell-uptake-cytotoxicity-and-gene-expression
#20
M T Ortega, J E Riviere, K Choi, N A Monteiro-Riviere
Gold nanoparticles (AuNP) adsorb macromolecules to form a protein corona (PC) after systemic delivery, to which the kidney as the primary excretory organ is constantly exposed. The role of the PC on AuNP cell uptake and toxicity was investigated in vitro in human proximal tubule cells (HPTC) using 40 and 80nm branched polyethylenimine (BPEI), lipoic acid (LA) and polyethylene glycol (PEG) coated AuNP with or without (bare) PCs composed of human plasma (HP) or human serum albumin (HSA) for 0.25 to 24h. Time-dependent intracellular uptake, assessed by ICP-MS showed PC modulated cell uptake and cytotoxicity; with bare 40nm BPEI-AuNP showing the greatest responses...
April 19, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
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