However, when these cultured podocytes were exposed to UV-C irrad

However, when these cultured podocytes were exposed to UV-C irradiation,

serum depletion, puromycin aminonucleoside, or transforming growth factor-beta-1, they showed increased apoptosis compared to those from wild-type mice. Levels of Bcl-2 were decreased in these null podocytes but increased after transduction with human p35. Restoration of p35 or the ectopic expression of Bcl-2 reduced the susceptibility of p35-null podocytes to apoptosis. Experimental glomerulonephritis, characterized by podocyte apoptosis and subsequent crescent formation, was utilized to test these findings in vivo. Podocyte apoptosis was significantly increased in diseased p35-null compared with wild-type mice, ARS-1620 mouse accompanied by increased glomerulosclerosis and decreased

renal function. Our study shows that p35 does not affect glomerulogenesis but controls podocyte survival following injury, in part, by regulating Bcl-2 expression. Kidney International (2010) 77, 690-699; doi:10.1038/ki.2009.548; published online 3 February 2010″
“BACKGROUND: The functions of the human face are not only of esthetic significance but also extend into metaphoric nuances Quisinostat molecular weight of psychology. The loss of function of one or both facial nerves has a remarkable impact on patients’ lives.

OBJECTIVE: To retrospectively analyze the functional outcomes of microneurovascular facial reanimation using masseteric innervation.

METHODS: Seventeen patients with irreparable facial paralysis resulting from benign lesions involving the facial nuclei (n = 14) or Mobius syndrome (n = 3) were treated with free muscle flaps for oral commissural reanimation using ipsilateral masseteric innervation and using temporalis muscle transfer for eyelid reanimation. Results were analyzed by the absolute commissural excursion and commissural excursion index and by a patient self-evaluation score. Presence of synkinesis was documented. Follow-up ranged from 8 to 48 months (mean, 26.4 months).

RESULTS: Normalization of the commissural excursion index was observed in 8 of 17 patients (47%), an improvement was seen in 7 of 17 (41%), and failure was observed in 2 of 17 (12%). The individual dynamics

of absolute commissural excursion and commissural excursion index changes are presented. A natural smiling PLEKHM2 response was observed in 10 of 17 patients (59%) but not in the remaining 7 (41%). This response reflected the patient’s ability to relay the natural emotion of smiling through the masseteric nerve. Patients’ self-evaluation scores were a level higher than objective indices.

CONCLUSIONS: Innervation of free muscle flaps with the masseteric nerve for oral commissure reanimation might play an important role in patients with lesions of the facial nuclei (as in Mobius syndrome). Synkinesis persists for long periods after surgery. However, most of the patients learned to express their emotions by overcoming this phenomenon.

Hoarding participants were nearly three times as likely to be ove

Hoarding participants were nearly three times as likely to be overweight or obese as were family members. Compared to female NCS participants,

hoarding participants were significantly more likely to report a broad range of chronic and severe medical concerns and had a five-fold higher rate of mental health service utilization. NU7441 purchase Eight to 12% had been evicted or threatened with eviction due to hoarding, and 0.1-3.0% had a child or elder removed from the home. These results suggest that compulsive hoarding represents a profound public health burden in terms of occupational impairment, poor physical health, and social service involvement. (C) 2007 Elsevier Ireland Ltd. All rights reserved.”
“Aims: To determine the inhibitory effect of oral Lactobacillus against SHP099 cell line putative oral pathogens.

Methods and Results: Total 357 strains comprising 10 species of oral Lactobacillus, Lactobacillus

fermentum (195), Lactobacillus salivarius (53), Lactobacillus casei (20), Lactobacillus gasseri (18), Lactobacillus rhamnosus (14), Lactobacillus paracasei (12), Lactobacillus mucosae (12), Lactobacillus oris (12), Lactobacillus plantarum (11) and Lactobacillus vaginalis (10) were used as producer strains. Inhibitory effect against a panel of indicators, periodontitis- and caries-related pathogens, was assessed. Most oral Lactobacillus was

able to inhibit the growth of both periodontitis-and caries-related pathogens. The strongest inhibitory activity was associated with Lact. paracasei, Lact. plantarum, Lact. rhamnosus, Lact. casei and Lact. salivarius. Lactobacillus SD1-SD6, representing the six species with the strong inhibitory effect, inhibited growth of Streptococcus mutans ATCC 25175 in the biofilm model. Also, it was demonstrated that growth of Strep. mutans was inhibited in a mixture with Lact. paracasei SD1. The inhibition was enhanced in acidic condition and 5% glucose.

Conclusions: The results have shown that oral Lactobacillus SD1-SD6 showed a strong inhibitory effect against Strep. mutans and Streptococcus sobrinus, as well as, Gram-negative periodontal pathogens Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans.

Significance this website and Impact of the Study: The results indicated that Lactobacillus may be of benefit as probiotics for the prevention of oral diseases.”
“The placenta is a large, highly vascularised hematopoietic tissue that functions during the embryonic and foetal development of eutherian mammals. Although recognised as the interface tissue important in the exchange of oxygen, nutrients and waste products between the foetus and mother, the placenta has increasingly become a focus of research concerning the ontogeny of the blood system.

The present study determined the effect of bis selenide and conve

The present study determined the effect of bis selenide and conventional antidepressants (fluoxetine, amitriptyline, and bupropion) on neuropathic pain using mechanical allodynic and on depressive-like behavior.

Male mice were subjected to chronic constriction injury (CCI) or sham surgery and were assessed on day 14 after operation. Pexidartinib Mice received oral treatment with bis selenide (1-5 mg/kg), fluoxetine, amitriptyline, or bupropion (10-30 mg/kg). The response frequency to mechanical allodynia in mice was measured with von Frey hairs. Mice were evaluated in the forced swimming test (FST) test for depression-like behavior.

The CCI procedure produced mechanical allodynia

and increased depressive-like behavior in the FST. All of the drugs produced antiallodynic effects in CCI mice and produced antidepressant effects

in control mice without altering locomotor activity. In CCI animals, however, only the amitriptyline and bis selenide treatments significantly reduced immobility in the FST.

These data demonstrate an important dissociation between the antiallodynic and antidepressant effects in mice when tested in a model of neuropathic pain. Depressive behavior in CCI mice was reversed by bis selenide and amitriptyline but not by the conventional antidepressants fluoxetine and buproprion. Bis selenide was more potent than the other drugs tested for antidepressant-like and antiallodynic effects in mice.”
“Several studies have suggested that modulation LY2090314 in vitro of the glutamatergic system could be a new, efficient way to achieve antidepressant Ribose-5-phosphate isomerase activity. Behavioral data showed that group II mGlu receptor antagonists (i.e., (1R, 2R, 3R, 5R, 6R)-2-amino-3-(3,4-dichlorobenzyloxy)-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid (MGS0039) and (2S)-2-amino-2-[(1S,2S)-2-carboxycycloprop-1-yl]-3-(xan th-9-yl) propanoic acid (LY341495)) elicited

antidepressant activity in several animal models of depression in rats and/or mice. Although the antidepressant-like activity of MGS0039 and LY341495 is well documented, the mechanism of the antidepressant action of these compounds is still not clear.

The aim of the present study was to specify the role of the serotonergic system in the mechanism of the antidepressant-like activity of group II mGlu receptor ligands by using the tail suspension test (TST) in mice; the role of AMPA receptors was also investigated. Furthermore, the possible antidepressant-like action of MGS0039 using the olfactory bulbectomy (OB) model of depression in rats was investigated.

The results of the TST studies showed that antidepressant-like action of group II mGlu receptor antagonists does not depend on serotonergic system activation. However, the AMPA receptor seems to play a key role in the antidepressant-like action of these compounds.

These novel observations with an adenosine A(1) receptor agonist

These novel observations with an adenosine A(1) receptor agonist suggest that this pharmacological action could contribute to antipsychotic effects in addition to thymoleptic effects. (C) 2009 Elsevier Ltd. All rights reserved.”
“Purpose: We determine the prevalence of premature ejaculation

in patients with hyperthyroidism and observed intravaginal ejaculation latency time alterations before and after hyperthyroidism treatment.

Materials Selleckchem 10058-F4 and Methods: Between January 2004 and June 2007, 49 patients with hyperthyroidism and no history of hyperthyroidism treatment were enrolled in the study. After obtaining a detailed sexual anamnesis an erectile function questionnaire was completed and a patient self-reported outcome measure of difficult control over ejaculation was examined. We assessed stopwatch measurements of intravaginal ejaculation latency time performed by the patient or partner. Patient anxiety status was also evaluated. Changes in the mentioned measurements induced by hyperthyroidism treatment were examined 8 weeks after the achievement of euthyroidism.

Results: In the 43 eligible patients mean +/- SD age was 48.0 +/- 8.8 years. Premature ejaculation was

observed in 31 of the 43 patients (72.1%). Mean intravaginal ejaculation latency time in patients with hyperthyroidism was 72.8 +/- 83.3 seconds. Of 4SC-202 concentration the 43 patients 30 (69.8%) were considered to have definite premature ejaculation according this website to stopwatch measurements. In patients with hyperthyroidism who had definite premature ejaculation anxiety scores were determined to be higher. A positive correlation was noted between serum thyroid stimulating hormone and intravaginal ejaculation latency time in the patients. In 24 patients who completed the followup visits we noted statistically

significant improvement in intravaginal ejaculation latency time after the achievement of euthyroidism.

Conclusions: Excess thyroid hormone and premature ejaculation are clinically interrelated conditions. Hyperthyroidism should be considered a novel and reversible etiological risk factor for premature ejaculation.”
“Reduced synaptic inhibition due to dysfunction of ionotropic GABA(A) receptors has been proposed as one factor in cerebral ischaemia-induced excitotoxic cell death. However, the participation of the inhibitory metabotropic GABA(B) receptors in these pathological processes has not been extensively investigated. We used oxygen-glucose deprivation (OGD) and NMDA-induced excitotoxicity as models to investigate whether ischaemia-like challenges alter the protein levels of GABA(B1) and GABA(B2) receptor subunits in rat organotypic hippocampal slice cultures.

Fibrosis and inflammation were determined by tissue staining Pro

Fibrosis and inflammation were determined by tissue staining. Protein and gene expressions were determined by immunoblotting and quantitative reverse transcription-PCR (RT-PCR), respectively. Expressions of caspase-7, caspase-12, glucose-regulated protein 78 (GRP78), and protein disulfide isomerase were evaluated to clarify the presence of ER stress. Changing the diet from MCDD to CD triggered the reduction of fat in hepatocytes, a decrease in inflammatory gene expression and oxidative stress, and regression of fibrosis accompanied by the disappearance of activated stellate cells and macrophages. Immunohistochemistry, immunoblotting, and RT-PCR analysis all indicated the occurrence of ER stress in steatohepatitis,

while it recovered immediately after changing the diet from MCCD to CD. The ratio of hepatocyte proliferation/apoptotis increased SC75741 manufacturer significantly during the

recovery stage. This simple experiment clearly shows that changing WH-4-023 clinical trial the diet from MCDD to a normal diet (CD) triggers the resolution of hepatic inflammatory and fibrotic reactions and hepatocyte apoptosis, suggesting that MCDD-induced steatohepatitis is also reversible. ER stress appears and disappears in association with the generation and regression of steatohepatitis, respectively, with fibrosis. Laboratory Investigation (2010) 90, 245-256; doi:10.1038/labinvest.2009.123; published online 30 November 2009″
“Dendritic spines contain a family of abundant scaffolding proteins known as Shanks, but little is known about how their distributions might change during synaptic activity. Here, pre-embedding immunogold electron microscopy is used to localize Shanks in synapses from cultured hippocampal neurons. We find that Shanks are preferentially located at postsynaptic densities (PSDs) as well as in a filamentous network near the PSD, extending up to 120 nm from the U0126 nmr postsynaptic membrane. Application of sub-type specific antibodies shows that Shank2 is typically concentrated at and near PSDs while Shank1 is, in addition, distributed throughout the spine head. Depolarization

with high K(+) for 2 min causes transient, reversible translocation of Shanks towards the PSD that is dependent on extracellular Ca(2+). The amount of activity-induced redistribution and subsequent recovery is pronounced for Shank1 but less so for Shank2. Thus, Shank1 appears to be a dynamic element within the spine, whose translocation could be involved in activity-induced, transient structural changes, while Shank2 appears to be a more stable element positioned at the interface of the PSD with the spine cytoplasm. Published by Elsevier Ltd on behalf of IBRO.”
“Recent studies of the freshwater planarian Dugesia japonica have revealed fundamental mechanisms and unique aspects of neuroscience and neuroregeneration. Here, we identified the gene for planarian choline acetyltransferase (Djchat), which is essential for acetylcholine (ACh) biosynthesis.


“In the real world, some of the auditory and visual


“In the real world, some of the auditory and visual

information received by the human brain are temporally asynchronous. How is such information integrated in cognitive processing in the brain? In this paper, we aimed 4SC-202 mw to study the semantic integration of differently asynchronous audio-visual information in cognitive processing using ERP (event-related potential) method. Subjects were presented with videos of real world events, in which the auditory and visual information are temporally asynchronous. When the critical action was prior to the sound, sounds incongruous with the preceding critical actions elicited a N400 effect when compared to congruous condition. This result demonstrates that semantic contextual integration indexed by N400 also applies to cognitive processing of multisensory information. In addition. the N400 effect is early in latency when contrasted with other visually induced N400 https://www.selleckchem.com/products/epz004777.html studies. It is shown that cross modal information is facilitated in time when contrasted with visual information in isolation. When the sound was prior to the critical action, a larger late positive wave was observed under the incongruous condition compared to congruous condition. 13600 might represent a reanalysis process, in which the mismatch between the critical action and the preceding sound was evaluated. It is shown that environmental sound may affect the cognitive processing of a visual event. (C)

2011 Elsevier Ireland Ltd. All rights reserved.”
“Several lines of evidence have suggested that some naturally Carbohydrate occurring mutations of hepatitis B virus (HBV) play a critical role in hepatocellular carcinoma (HCC). Here, we describe a novel HCC-related pre-S2 mutation, F141L. To prove the relationship between the F141L mutation and HCC, molecular epidemiology studies using MboII PCR restriction analysis (PRA) were

performed, and the molecular mechanism was investigated through construction of a stable hepatocyte cell line expressing the large surface HB protein (LHB) with the F141L mutation (F141L-LHB). Application of MboII PRA to samples from 241 Korean patients with chronic liver diseases of different clinical stages confirmed that F141L mutants were significantly related to HCC, even in comparison to liver cirrhosis (HCC, 26.3% of patients, or 26/99; liver cirrhosis, 3.8% of patients, or 2/52; P = 0.001). By studying stable cell lines, we found that F141L-LHBs could induce cell cycle progression by downregulating the p53 and p21 pathways and upregulating CDK4 and cyclin A. Furthermore, we found that in a colony-forming assay, the colony-forming rates in cell lines expressing F141L-LHBs were about twice as high as those of the wild type. In conclusion, our results suggest that F141L-LHBs may contribute importantly to the pathogenesis of HCC by inducing cell proliferation and transformation. So, the F141L mutation examined in this study could serve as a diagnostic marker for the prognosis of HCC.

However, careful assessment of the ureter for multidetector compu

However, careful assessment of the ureter for multidetector computerized tomography urography is required for detecting ureteral transitional cell carcinoma.”
“We explored brain activation associated with negative emotionality, during an associative memory task that involved the encoding and retrieval of word pairs. Participants were instructed to memorize word pairs and subsequently retrieve them. The word pairs consisted of either emotional or neutral words. Significant hippocampal activation

was observed during both encoding and retrieval of the neutral word pairs, and was correlated with correct response rates during retrieval. However, the negative word pairs activated the left middle temporal gyrus during both encoding and retrieval. These results suggest that hippocampal activation is involved in both the encoding and retrieval of word pairs. However, negative emotionality does not necessarily enhance hippocampal activity and memory performance. (C) 2009 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.”
“Purpose: The introduction of laparoscopic nephroureterectomy highlights the need for the critical appraisal of approaches to the distal ureter at surgery for upper tract transitional cell carcinoma. We compared differences after endoscopic ureteral detachment

and open bladder cuff excision in nephroureterectomy.

Materials and Methods: A total of 138 patients underwent open nephroureterectomy for upper urinary tract transitional cell carcinoma

from 1982 to 2005 with a median followup of 43 months. Of these patients 90 underwent endoscopic ureteral detachment and 48 underwent bladder cuff excision. Demographic, perioperative and oncological outcome data were collected in all cases. Statistical analyses were performed using the Student t test, chi-square and log rank tests, and logistic and Cox regression.

Results: Mean operative duration was significantly lower in the endoscopic detachment group than in the bladder cuff group (p <0.01). There were 49 (54.4%) bladder recurrences in the endoscopic detachment group, of which 8 (16.3%) were muscle invasive and 3 (3.3%) developed at the resection site. There were 23 (47.9%) bladder recurrences in the bladder cuff group, of which 3 (13.0%) were muscle invasive and 2 (4.2%) developed at the resection site. All 5 resection site tumors occurred after excision of muscle invasive distal ureteral tumors and 4 of these had positive margins. There were no differences in recurrence-free survival or disease specific survival between the groups. Operation subtype did not predict oncological outcome on univariate or multivariate analysis.

Conclusions: Endoscopic ureteral detachment reduces operative duration and is associated with equivalent oncological outcomes compared with open bladder cuff excision in nephroureterectomy.

The system is characterized by two time scales, the one for strat

The system is characterized by two time scales, the one for strategy update, beta(S), and the other for weight

INCB018424 adjustment, beta(W). We find that, under a mean-field approximation, the asymptotic behavior of the system is described by the replicator equation with an effective payoff matrix, which is a combination of the original game matrix A and its transpose, AT. Both analytical and numerical results show that such an adaptive weight adjustment mechanism dramatically promotes evolution of cooperation. (C) 2010 Elsevier Ltd. All rights reserved.”
“The older neurocentric view of the central nervous system (CNS) has changed radically with the growing understanding of the many essential functions of astrocytes. Advances in our understanding of astrocytes include new observations about their structure, organization, function and supportive actions to other cells. Although the contribution of astrocytes to the process of brain injury has not been clearly defined, it is thought that their ability to provide support to neurons after cerebral damage is critical. Astrocytes play a fundamental role in the pathogenesis of brain injury-associated neuronal death, and this secondary injury is primarily a consequence of the failure

of astrocytes to support the essential metabolic needs of neurons. These needs include K(+) buffering, glutamate clearance, brain antioxidant defense, close metabolic coupling with neurons, and the modulation of neuronal excitability. In this review, we will focus on astrocytic activities that can both protect and endanger neurons, and discuss how PD 332991 manipulating these functions provides a novel and important strategy to enhance neuronal survival and improve the outcome following brain injury. (C) 2011 Elsevier Ireland Ltd and the

Japan Neuroscience Society. All rights reserved.”
“ATP-sensitive K(+) (K(ATP)) channels are distributed in a variety of cell types, including hippocampal neurons. These channels provide a link between electrical activity of cell membranes and cellular metabolism. The activity of K(ATP) channels in hippocampal H19-7 neurons treated with or without short interfering RNAs (siRNAs) directed against Selleck HA 1077 Kir6.2 mRNA was investigated in this study. In single-channel recordings, cell exposure to diazoxide (30 mu M) significantly prolonged the mean open time of K(ATP), channels: however, neither closed-time kinetics nor the single-channel conductance of the channel was altered by this compound. However, in cells transfected with Kir6.2 siRNAs, diazoxide-stimulated activity of K(ATP) channels was abolished. Based on single-channel recordings, the activity of K(ATP) channels was mathematically constructed in a Markovian manner. The simulated activity of single K(ATP) channels was incorporated in a modeled hippocampal neuron to assess how any changes in K(ATP)-channel activity affect burst firing of action potentials (APs). The modeled neuron was adopted from the model of Xu and Clancy (2008).

The lunar soil simulant JSC-1 has been developed by NASA from vol

The lunar soil simulant JSC-1 has been developed by NASA from volcanic ash found in Arizona to facilitate testing of toxicity and system requirements for lunar exploration. A concentration-response study of JSC-1 was undertaken on the murine macrophage cell line RAW 264.7. Results demonstrated concentrations of 50-2000 g/ml JSC-1 induced enhanced expression of inducible nitric oxide synthase (iNOS). Data suggest that extraterrestrial regolith has the potential to induce

an inflammatory response, and that selleck compound future development of anti-inflammatory mitigative strategies may be necessary to counteract lunar dust-associated cellular toxicity.”
“OBJECTIVE: This study examined the usefulness of a surgical approach (retrosigmoid suprafloccular transhorizontal fissure approach) for resection of brainstem cavernous malformations (CMs).

METHODS: An anatomic study concerning the retrosigmoid suprafloccular transhorizontal fissure approach was performed with 3 cadaveric heads. Clinical course was retrospectively reviewed for 10 patients who underwent microsurgical

resection of brainstem CMs with this approach. Medical, surgical, and neuroimaging records of these patients were click here evaluated.

RESULTS: In the anatomic study, after standard suboccipital retrosigmoid craniotomy, the horizontal fissure on the petrosal surface Galeterone of the cerebellum was dissected between the superior semilunar lobule and flocculus. With this approach, the root entry zone of the trigeminal nerve and the middle cerebellar peduncle could be exposed by superior retraction of the superior semilunar lobule. The lateral surface of the pons was then easily visible around

the root entry zone. When this approach was used for 10 brainstem CMs, complete resection was achieved in 9 patients (90%). No mortality was encountered in this study. New neurological deficits occurred in the early postoperative period for 4 patients but were transient in 3 patients. Neurological status at final follow-up was improved in 4 patients (40%), unchanged in 5 patients (50%), and worse in 1 patient (10%) compared with preoperative conditions.

CONCLUSION: The retrosigmoid suprafloccular transhorizontal fissure approach is useful for the resection of lateral pontine CMs.”
“Lead (Pb) poisoning is preventable but continues to be a public health problem in several countries. Measuring Pb in the surface dental enamel (SDE) using microbiopsies is a rapid, safe, and painless procedure. There are different protocols to perform these microbiopsies, but the reliability of dental enamel lead levels (DELL) determination is dependent upon biopsy depth (BD). It is established that DELL decrease from the outermost superficial layer to the inner layer of dental enamel.

In this study, the RRFLP assay was applied

as a method to

In this study, the RRFLP assay was applied

as a method to differentiate between the two types of infectious laryngotracheitis virus attenuated live vaccines. Sequence analysis of ILTV vaccines revealed buy Tucidinostat an informative polymorphic site in the 5′-non-coding region of the infected cell protein (ICP4) gene. Unique AvaI and AIwI restriction enzyme sites were identified in the tissue culture origin and chicken embryo origin attenuated vaccines, respectively. These two informative polymorphic sites were used in a RRFLP assay to genotype rapidly and reproducibly ILTV attenuated live vaccines. Published by Elsevier B.V.”
“Free intracellular calcium ([Ca2+](i)) controls a wide range of cellular functions such as contraction, neurotransmitter and hormone release, metabolism, cell division and differentiation. Cytosolic Ca2+ levels are abnormal in cells exposed to toxicants and understanding how these levels become altered may improve our ability to design high-throughput methods for the sensitive detection of cellular responses to a toxic exposure. Because Ca2+ is involved in multiple aspects of cellular function, its role in signaling is complex. It is therefore necessary to identify the individual pathways targeted during toxicant exposure in

order to use them as a tool for predictive measurements of toxicity and as targets for prevention or reversal of injury. This review illustrates several methods available for analysis of Ca2+ responses in vitro and their applicability for understanding mechanisms of toxicity at the molecular VS-4718 chemical structure and mafosfamide cellular levels. The review will also consider the usefulness of Ca2+ imaging for predicting a unique signature for classes of toxicants. Towards this end, two methodological approaches for assessment of Ca2+ responses to toxicants are examined: steady state measurements and complex spatial and/or temporal measurements. Each of the methods described and appropriately used results in reliable and reproducible measurements which may be applied in a high-throughput fashion to individualize in vitro assessment of cellular responses caused by toxicants. (C) 2009 Elsevier Inc.

All rights reserved.”
“The core antigen of the hepatitis B virus (HBcAg) has been used widely as a diagnostic reagent for the identification of the viral infection. However, purification using the conventional sucrose density gradient ultracentrifugation is time consuming and costly. To overcome this, HBcAg particles displaying His-tag on their surface were constructed and produced in Escherichia coli. The recombinant His-tagged HBcAgs were purified using immobilized metal affinity chromatography. Transmission electron microscopy and enzyme-linked immunosorbent assay (ELISA) revealed that the displayed His-tag did not impair the formation of the core particles and the antigenicity of HBcAg. (C) 2009 Elsevier B.V. All rights reserved.