Medical and Biomedical Researches

The stress and fear levels of microwave toe-treated broiler chickens grown with two photoperiod prog

June 27th, 2008
The stress and fear levels of microwave toe-treated broiler chickens grown with two photoperiod programs. The current study was conducted to investigate the influence of microwave toe treatment and an increasing photoperiod on stress and fear levels in broiler chickens. Upon delivery from the hatchery, the ...

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Benefits of Membership: The Activation and Amplification of Group Identities in Response to Social R

June 27th, 2008
Benefits of Membership: The Activation and Amplification of Group Identities in Response to Social Rejection. Groups vary in the range of benefits they provide to members, but one potential benefit of membership is a confirmation of individuals\' sense of belonging to a larger social whole. The ...

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Confirmatory Factor Analysis of the Antisocial Process Screening Device With a Clinical Inpatient Po

June 27th, 2008
Confirmatory Factor Analysis of the Antisocial Process Screening Device With a Clinical Inpatient Population. Research linking psychopathic tendencies to childhood behavior problems is predicated on the assumption that the findings are based on using psychometrically sound measures of psychopathic tendencies. Although evaluated with community samples, the ...

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Nurses Working Outside of Nursing: Societal Trend or Workplace Crisis?

June 27th, 2008
Nurses Working Outside of Nursing: Societal Trend or Workplace Crisis? The phenomenon of career inactivity in professional nursing has been historically portrayed in the literature as a major cause of disequilibrium in the registered nurse labor market. However, there remains a general lack of understanding of ...

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Comparative molecular modeling of Anopheles gambiae CYP6Z1, a mosquito P450 capable of metabolizing

June 27th, 2008
Comparative molecular modeling of Anopheles gambiae CYP6Z1, a mosquito P450 capable of metabolizing DDT. One of the challenges faced in malarial control is the acquisition of insecticide resistance that has developed in mosquitoes that are vectors for this disease. Anopheles gambiae, which has been the major ...

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Force-generation and dynamic instability of microtubule bundles.

June 27th, 2008
Force-generation and dynamic instability of microtubule bundles. Individual dynamic microtubules can generate pushing or pulling forces when their growing or shrinking ends are in contact with cellular objects such as the cortex or chromosomes. These microtubules can operate in parallel bundles, for example when interacting with ...

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Acetylation in the globular core of histone H3 on lysine-56 promotes chromatin disassembly during tr

June 27th, 2008
Acetylation in the globular core of histone H3 on lysine-56 promotes chromatin disassembly during transcriptional activation. Promoter chromatin disassembly is a widely used mechanism to regulate eukaryotic transcriptional induction. Delaying histone H3/H4 removal from the yeast PHO5 promoter also leads to delayed removal of histones H2A/H2B, ...

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A purple acidophilic di-ferric DNA ligase from Ferroplasma.

June 27th, 2008
A purple acidophilic di-ferric DNA ligase from Ferroplasma. We describe here an extraordinary purple-colored DNA ligase, LigFa, from the acidophilic ferrous iron-oxidizing archaeon Ferroplasma acidiphilum, a di-ferric enzyme with an extremely low pH activity optimum. Unlike any other DNA ligase studied to date, LigFa contains two ...

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Assembly of the cnidarian camera-type eye from vertebrate-like components.

June 27th, 2008
Assembly of the cnidarian camera-type eye from vertebrate-like components. Animal eyes are morphologically diverse. Their assembly, however, always relies on the same basic principle, i.e., photoreceptors located in the vicinity of dark shielding pigment. Cnidaria as the likely sister group to the Bilateria are the earliest ...

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Categorical perception of a natural, multivariate signal: Mating call recognition in tungara frogs.

June 27th, 2008
Categorical perception of a natural, multivariate signal: Mating call recognition in tungara frogs. Categorical perception is common in humans, but it is not known whether animals perceive continuous variation in their own multidimensional social signals categorically. There are two components to categorical perception: labeling and discrimination. ...

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IL-6 blockade inhibits the induction of myelin antigen-specific Th17 cells and Th1 cells in experime

June 27th, 2008
IL-6 blockade inhibits the induction of myelin antigen-specific Th17 cells and Th1 cells in experimental autoimmune encephalomyelitis. The development of Th17 cells is a key event in the pathogenesis of experimental autoimmune encephalomyelitis (EAE), a murine model of human multiple sclerosis (MS). Previous studies have demonstrated ...

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The stochastic nature of larval connectivity among nearshore marine populations.

June 27th, 2008
The stochastic nature of larval connectivity among nearshore marine populations. Many nearshore fish and invertebrate populations are overexploited even when apparently coherent management structures are in place. One potential cause of mismanagement may be a poor understanding and accounting of stochasticity, particularly for stock recruitment. Many ...

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An activity-regulated microRNA controls dendritic plasticity by down-regulating p250GAP.

June 27th, 2008
An activity-regulated microRNA controls dendritic plasticity by down-regulating p250GAP. Activity-regulated gene expression is believed to play a key role in the development and refinement of neuronal circuitry. Nevertheless, the transcriptional networks that regulate synapse growth and plasticity remain largely uncharacterized. Here, we show that microRNA 132 ...

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Central projections of photoreceptor axons originating from ectopic eyes in Drosophila.

June 27th, 2008
Central projections of photoreceptor axons originating from ectopic eyes in Drosophila. Ectopic expression of the retinal determination gene eyeless (ey) induces the formation of supernumerary eyes on antennae, legs, wings, and halteres. These ectopic eyes form ommatidia that contain photoreceptors and accessory cells and respond to ...

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Is an eclipse described in the Odyssey?

June 27th, 2008
Is an eclipse described in the Odyssey? Plutarch and Heraclitus believed a certain passage in the 20th book of the Odyssey (\"Theoclymenus\'s prophecy\") to be a poetic description of a total solar eclipse. In the late 1920s, Schoch and Neugebauer computed that the solar eclipse of ...

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The Nalp3 inflammasome is essential for the development of silicosis.

June 27th, 2008
The Nalp3 inflammasome is essential for the development of silicosis. Inhalation of crystalline silica and asbestos is known to cause the progressive pulmonary fibrotic disorders silicosis and asbestosis, respectively. Although alveolar macrophages are believed to initiate these inflammatory responses, the mechanism by which this occurs has ...

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Fermi pockets and quantum oscillations of the Hall coefficient in high-temperature superconductors.

June 27th, 2008
Fermi pockets and quantum oscillations of the Hall coefficient in high-temperature superconductors. Recent quantum oscillation measurements in high-temperature superconductors in high magnetic fields and low temperatures have ushered in a new era. These experiments explore the normal state from which superconductivity arises and provide evidence of ...

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Effect of Neutral-Cushioned Running Shoes on Plantar Pressure Loading and Comfort in Athletes With C

June 27th, 2008
Effect of Neutral-Cushioned Running Shoes on Plantar Pressure Loading and Comfort in Athletes With Cavus Feet: A Crossover Randomized Controlled Trial. BACKGROUND: High injury rates observed in athletes with cavus feet are thought to be associated with elevated plantar pressure loading. Neutral-cushioned running shoes are often ...

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IKDC or KOOS? Which Measures Symptoms and Disabilities Most Important to Postoperative Articular Car

June 27th, 2008
IKDC or KOOS? Which Measures Symptoms and Disabilities Most Important to Postoperative Articular Cartilage Repair Patients? BACKGROUND: The relevance of knee-specific subjective measures of outcome to patients has not been evaluated for cartilage repair procedures. PURPOSE: The aim of this study was to identify which instrument ...

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Caveolin-1-dependent {beta}1 integrin endocytosis is a critical regulator of fibronectin turnover.

June 27th, 2008
Caveolin-1-dependent {beta}1 integrin endocytosis is a critical regulator of fibronectin turnover. beta1 integrins are major cell surface receptors for fibronectin. Some integrins, including beta1 integrins, are known to undergo constitutive endocytosis and recycling. Integrin endocytosis/recycling has been implicated in the regulation of cell migration. However, the ...

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eIF3k regulates apoptosis in epithelial cells by releasing caspase 3 from keratin-containing inclusi

June 27th, 2008
eIF3k regulates apoptosis in epithelial cells by releasing caspase 3 from keratin-containing inclusions. Keratins 8 and 18 (collectively referred to as K8/K18) are the major components of intermediate filaments of simple epithelial cells. Recent studies have revealed the function of K8/K18 in apoptosis modulation. Here, we ...

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PKC{zeta}-mediated phosphorylation controls budding of the pre-chylomicron transport vesicle.

June 27th, 2008
PKC{zeta}-mediated phosphorylation controls budding of the pre-chylomicron transport vesicle. Dietary triacylglycerols are absorbed by enterocytes and packaged in the endoplasmic reticulum (ER) in the intestinal specific lipoprotein, the chylomicron, for export into mesenteric lymph. Chylomicrons exit the ER in an ER-to-Golgi transport vesicle, the pre-chylomicron transport ...

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Lipid droplets are arrested in the ER membrane by tight binding of lipidated apolipoprotein B-100.

June 27th, 2008
Lipid droplets are arrested in the ER membrane by tight binding of lipidated apolipoprotein B-100. Apolipoprotein B-100 (ApoB) is a major component of very-low-density lipoproteins, and is deposited in a region around lipid droplets (LDs) called the \'ApoB-crescent\'. The ApoB-crescent is thought to be related to ...

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Phosphorylation of AFAP-110 affects podosome lifespan in A7r5 cells.

June 27th, 2008
Phosphorylation of AFAP-110 affects podosome lifespan in A7r5 cells. AFAP-110 is an actin-binding and -crosslinking protein that is enriched in Src and phorbol ester (PE)-induced podosomes. In vascular smooth muscle cells endogenous AFAP-110 localized to actin stress fibers and, in response to treatment with phorbol-12,13-dibutyrate (PDBu), ...

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In migrating cells, the Golgi complex and the position of the centrosome depend on geometrical const

June 27th, 2008
In migrating cells, the Golgi complex and the position of the centrosome depend on geometrical constraints of the substratum. Although cells migrate in a constrained 3D environment in vivo, in-vitro studies have mainly focused on the analysis of cells moving on 2D substrates. Under such conditions, ...

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