Archive for the ‘researches 6’ Category
Thursday, July 3rd, 2008
Correlation between cord blood, perinatal BNP values and echocardiographic parameters in healthy Italian newborns.
We evaluated the correlation between brain natriuretic peptide (BNP) in umbilical cord blood after normal pregnancy, in blood samples of twenty-nine Italian healthy newborns and paired echocardiographic parameters. Plasma BNP was evaluated ...
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Thursday, July 3rd, 2008
Tracing back EFL gene evolution in the cryptomonads-haptophytes assemblage: Separate origins of EFL genes in haptophytes, photosynthetic cryptomonads, and goniomonads.
A recently identified GTPase, elongation factor-like (EFL) protein is proposed to bear the principal functions of translation elongation factor 1alpha (EF-1alpha). Pioneering studies of EF-1alpha/EFL evolution ...
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Thursday, July 3rd, 2008
cDNA cloning, expression, and characterization of methyl-CpG-binding domain type 2/3 proteins from starfish and sea urchin.
Two kinds of cDNAs that are highly homologous to mammalian MBD2 and MBD3 cDNAs were cloned from ovary of the starfish Asterina pectinifera. They are splicing variants and designated sMBD2/3a ...
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Thursday, July 3rd, 2008
Meta-analysis of depression and substance use and impairment among cocaine users.
BACKGROUND: The study evaluated, among cocaine users, the hypothesized positive association of depression and concurrent cocaine use and impairment, alcohol use and impairment, and general drug use and impairment. The hypothesis that gender would moderate ...
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Thursday, July 3rd, 2008
Aerobic exercise decreases the positive-reinforcing effects of cocaine.
Aerobic exercise can serve as an alternative, non-drug reinforcer in laboratory animals and has been recommended as a potential intervention for substance abusing populations. Unfortunately, relatively little empirical data have been collected that specifically address the possible protective ...
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Thursday, July 3rd, 2008
Mother-infant separation leads to hypoactive behavior in adolescent Holtzman rats.
This is the first study of the effects of mother-infant separation (MS) on adolescent behavior of Holtzman (HO) rats. Different rat strains, such as Harlan Sprague-Dawley and HO, share a common origin. However, MS may lead ...
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Thursday, July 3rd, 2008
First detection of the OXA-40 carbapenemase in P. aeruginosa isolates, located on a plasmid also found in A. baumannii.
The aim of this work was to carry out the molecular investigation of the OXA-40 carbapenemase detected in two isolates of Pseudomonas aeruginosa resistant to imipenem. The ...
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Thursday, July 3rd, 2008
Prevalence and characterization of extended-spectrum beta-lactamases in Klebsiella pneumoniae in Algiers hospitals (Algeria).
AIM OF THE STUDY: To determine the prevalence and the diversity of extended-spectrum beta-lactamases (ESBLs) in 196 Klebsiella pneumoniae clinical isolates collected from three hospitals in Algiers. MATERIALS AND METHODS: Antibiograms were done ...
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Thursday, July 3rd, 2008
Preliminary evaluation of exotic tick species and exotic pathogens imported on migratory birds into the British Isles.
Field studies were carried out to determine whether ticks are being imported into the British Isles on migratory birds. During spring and autumn migration 2004, ticks were collected from ...
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Thursday, July 3rd, 2008
Quantitative testing of pain perception in subjects with PTSD - Implications for the mechanism of the coexistence between PTSD and chronic pain.
Post-traumatic stress disorder (PTSD) often co-occurs with chronic pain. Neither the underlying mechanism of this comorbidity nor the nature of pain perception among subjects ...
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Thursday, July 3rd, 2008
Roles of opioid receptor subtypes on the antinociceptive effect of intrathecal sildenafil in the formalin test of rats.
Recently, it has been known that the antinociception of sildenafil, a phosphodiesterase 5 inhibitor, is mediated through the opioid receptors. There are common three types of opioid receptors ...
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Thursday, July 3rd, 2008
Alterations of nerve-growth factor and p75(NTR) expressions in urinary bladder of fructose-fed obese rats.
The study investigated the effects of metabolic syndrome on urinary bladder nerve-growth factor (NGF) and p75(NTR) expression in fructose-fed obese rats. Age-matched male Wistar rats were divided into four groups; group I: ...
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Thursday, July 3rd, 2008
Studies on the sources of benzo[a]pyrene in grain and aboveground tissues of rice plants.
Rice plant pot experiments designed to identify benzo[a]pyrene (B[a]P) sources in plant tissues were conducted in an air-quality controlled greenhouse built to prevent contamination from B[a]P air pollution. Results from quartz sand ...
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Thursday, July 3rd, 2008
Chitosan selectivity for removing cadmium (II), copper (II), and lead (II) from aqueous phase: pH and organic matter effect.
The aim of this study was to investigate the selectivity of chitosan for cadmium, copper and lead in the presence and absence of natural organic matter (NOM) ...
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Thursday, July 3rd, 2008
Simultaneous preconcentration of Co(II), Ni(II), Cu(II), and Cd(II) from environmental samples on Amberlite XAD-2000 column and determination by FAAS.
A new method for the preconcentration of some trace metals (Co, Ni, Cu, and Cd) as complexed with ammonium pyrrolidynedithiocarbamate (APDC) was developed using a mini-column filled ...
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Thursday, July 3rd, 2008
Evaluation of disinfection by-products formation during chlorination and chloramination of dissolved natural organic matter fractions isolated from a filtered river water.
Dissolved natural organic matter (DOM) in a filtered river water was isolated and fractionated into six different fractions. Trihalomethanes (THMs) and haloacetic acids (HAAs) formed ...
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Thursday, July 3rd, 2008
Multitargeted therapy of cancer by lycopene.
Lycopene (psi,psi-carotene) is the most abundant carotenoid in tomatoes and is the red pigment of not only tomatoes but also rosehips, watermelon, papaya, pink grapefruit, and guava. Unlike beta-carotene, lycopene lacks a beta-ionone ring and therefore has no pro-vitamin A ...
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Thursday, July 3rd, 2008
Isoflavones and gamma irradiation inhibit cell growth in human salivary gland cells.
We studied the effects of isoflavones and irradiation on cell cycle in a human salivary gland cell line (HSG). Genistein and a soy isoflavone conjugate (NS) inhibited DNA synthesis. Cells deconjugated the glucoside form ...
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Thursday, July 3rd, 2008
Dendritic cells dysfunction in tumour environment.
Several studies indicate that most tumours are immunogenic and they rarely succeed to induce an efficient immune response. Many mechanisms have been involved in the tumour escape from host immune surveillance. The tumour microenvironment has emerged as an important component ...
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Thursday, July 3rd, 2008
Increased prevalence of silent myocardial ischaemia and severe ventricular arrhythmias in untreated patients with Alzheimer\'s disease and mild cognitive impairment without overt coronary artery disease.
OBJECTIVE: To assess the prevalence and the characteristics of silent myocardial ischaemia (SMI) and ventricular arrhythmias (VA) in subjects with Alzheimer\'s ...
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Thursday, July 3rd, 2008
Stochastic simulations on a model of circadian rhythm generation.
Biological phenomena are often modeled by differential equations, where states of a model system are described by continuous real values. When we consider concentrations of molecules as dynamical variables for a set of biochemical reactions, we implicitly ...
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Thursday, July 3rd, 2008
Satisfaction and Regret after Open Retropubic or Robot-Assisted Laparoscopic Radical Prostatectomy.
BACKGROUND: To counsel patients adequately, it is important to understand the variables influencing satisfaction and regret following prostatectomy. OBJECTIVE: To identify independent predictors for satisfaction and regret after radical prostatectomy. DESIGN, SETTING, AND PARTICIPANTS: Patients ...
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Thursday, July 3rd, 2008
Prostate-Specific Antigen Kinetics in Clinical Decision-Making During Active Surveillance for Early Prostate Cancer-A Review.
CONTEXT: The kinetics of prostate specific antigen (PSA) are generally assumed to be indicative of tumour progression and are therefore used in clinical decision-making in men on active surveillance for early prostate ...
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Thursday, July 3rd, 2008
Predictive Value of the Differential Expression of the Urokinase Plasminogen Activation Axis in Radical Prostatectomy Patients.
BACKGROUND: The urokinase plasminogen axis is composed of urokinase plasminogen activator (uPA), its receptor (uPAR), and its inhibitors (PAI-1 and PAI-2). This axis is involved in cell proliferation, angiogenesis, extracellular ...
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Thursday, July 3rd, 2008
Platelet Microparticles: A Potential Predictive Factor of Survival in Hormone-Refractory Prostate Cancer Patients Treated with Docetaxel-Based Chemotherapy.
BACKGROUND: Several studies suggest a causal relationship between platelet activation and cancer metastasis. Activated platelet microparticles (PMPs) release vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF), ...
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