We used 5 physical activity indicators to describe students’ phys

We used 5 physical activity indicators to describe students’ physical activity.\n\nResults\n\nGirls who participated in less than 3 days of exercise per week to strengthen or tone muscles and watched 2 hours or less per day of television had increased odds of being obese (adjusted odds ratio, 1.8; 95% confidence interval, 1.1-3.0) compared with girls who participated

in 3 or more days per week of exercise to strengthen or tone muscles and watched 2 hours or less per day of television. Boys ABT-263 clinical trial in our study who watched 3 or more hours per day of television and did not meet physical activity recommendations had increased odds of being obese in all of our 5 physical activity indicators.\n\nConclusion\n\nAlthough results varied by physical activity indicator and sex, our findings provide further evidence for the combined effect of high television watching and low physical activity engagement on the risk for obesity in children and adolescents.”
“BackgroundHypopigmentation

in hypopigmented mycosis fungoides (MF) is thought to result from the action of CD8+ cells on melanocytes. Here, we investigated the immunophenotype and melanocytic markers in hypopigmented MF lesions. MethodsSpecimens of hypopigmented lesions and normal skin from 18 patients with hypopigmented MF and specimens of non-hypopigmented lesions from 8 patients with classic/conventional Napabucasin solubility dmso MF were subjected to neoplastic immunophenotyping and www.selleckchem.com/products/rsl3.html melanocyte immunostaining with Melan-A, tyrosinase, stem cell factor receptor (CD117)

and microphthalmia-associated transcription factor (MiTF). ResultsThe CD8+ immunophenotype was more common in hypopigmented MF lesions (14/18) than in conventional MF lesions (1/8, p=0.0033). There was a main effect of specimen type (hypopigmented MF lesion, hypopigmented MF normal skin, conventional MF lesion) on the number of melanocytes stained with Melan-A (median number/mm basal membrane, 1.97 vs. 4.77 vs. 5.42, respectively, p=0.0046), tyrosinase (2.19 vs. 4.02 vs. 5.26, p=0.0114), CD117 (4.29 vs. 7.81 vs. 5.45, p=0.0064), and MiTF (2.75 vs. 4.43 vs. 4.98, p=0.005). ConclusionsThese results confirm previous findings of fewer melanocytes and CD117-positive melanocytes in hypopigmented MF and showed reduced MiTF identification, which is crucial for the function and survival of melanocytes. Thus cytotoxic CD8+ cell action may determine CD117/MiTF dysfunction, causing hypopigmentation.”
“Background: There is increasing interest in the role of immune activation and inflammation in HIV disease, but data on direct effects of HIV replication on immune cell activation are limited.


“Background: The aim of the present study was to analyse t


“Background: The aim of the present study was to analyse the influence of temporomandibular disorder (TMD) on electromyographic activity in the masseter and temporal muscles of adolescents and investigate a possible association with the number of occlusal selleck inhibitor contacts.\n\nMethods:

The Helkimo Index was administered for the diagnosis of TMD and classification of the adolescents into three groups: without TMD; with mild TMD; and with moderate/severe TMD. Carbon paper was used for the determination of occlusal contact points. A standardised electromyographic evaluation was performed on the masticatory muscles at rest, during habitual chewing and during maximum voluntary clenching. The readings were normalised to maximum voluntary clenching. Statistical analysis involved the chi-squared test and Fisher’s

exact test. The Kruskal-Wallis test and one-way analysis of variance with Dunn’s post hoc test were used to compare differences between groups. Pearson’s correlation coefficients (r) were calculated see more for the determination of correlations between the number of occlusal contacts and RMS values.\n\nResults: Electromyography revealed significant differences in the right and left masseter and temporal muscles at rest and during chewing among the three groups. These differences were not observed during maximum voluntary clenching. No statistically significant differences were found between the groups with and without RG-7388 in vitro TMD regarding the number of occlusal contacts.\n\nConclusion: Electromyographic activity in the masseter and temporal muscles was greater among adolescents

with moderate to severe TMD.”
“We present a formalism to quantify the contribution of path-interference in phonon-mediated electronic energy transfer. The transfer rate between two molecules is computed by considering the quantum mechanical amplitudes associated with pathways connecting the initial and final sites. This includes contributions from classical pathways, but also terms arising from interference of different pathways. We treat the vibrational modes coupled to the molecules as a non-Markovian harmonic oscillator bath, and investigate the correction to transfer rates due to the lowest-order interference contribution. We show that depending on the structure of the harmonic bath, the correction due to path-interference may have a dominant vibrational or electronic character, and can make a notable contribution to the transfer rate in the steady state. (C) 2012 American Institute of Physics. [doi:10.1063/1.3675844]“
“Background: Oral epithelial cells (OECs) adhesion to titanium may improve the success rate of implant restoration.\n\nPurpose: We investigated the mechanism by which OECs adhere to titanium dental implants.

Genospecies-specific primers were used in the PCR for Borrelia bu

Genospecies-specific primers were used in the PCR for Borrelia burgdorferi sensu stricto, B. afzelii and B. garinii.\n\nResults: Infection rates with Borrelia spp. were significantly lower at Fjelloyvaer and Strom compared to Tjore and Hinnebu; Fjelloyvaer vs. Tjore (chi(2) = 20.27, p < 0.0001); Fjelloyvaer vs. Hinnebu (chi(2) = 24.04, p < 0.0001); Strom vs. Tjore (chi(2) = 11.47, p = 0.0007) and Strom vs. Hinnebu (chi(2) = 16.63,

p < 0.0001). The Borrelia genospecies were dominated by. B. afzelii (82%) followed by B. garinii (9.7%) and B. burgdorferi sensu stricto (6.9%). B. burgdorferi s.s. was only found on the island of Jomfruland. The infection rate of Anaplasma phagocytophilum showed the following figures; Fjelloyvaer vs Hinnebu (chi(2) = 16.27, p = 0.0001); Strom vs. Tjore (chi(2) = 13.16, p = 0.0003); Strom vs. Epigenetic inhibitor order Hinnebu (chi(2) = 34.71, p < 0.0001); Fjelloyvaer vs. Tjore (chi(2)= 3.19, p = 0.0742) and Fjelloyvaer vs. Stom (chi(2) = 5.06, p = 0.0245). Wild cervids may serve as

a reservoir for A. phagocytophilum. Jomfruland, with no wild cervids but high levels of migrating birds and rodents, harboured both B. burgdorferi s.l. and A. phagocytophilum in questing I. ricinus ticks. Birds and rodents may play an important Roscovitine research buy role in maintaining the pathogens on Jomfruland.\n\nConclusion: The high abundance of roe deer and red deer on the Norwegian islands of Fjelloyvaer and Strom may reduce the infection rate of Borrelia burgdorferi sensu lato in host seeking Ixodes ricinus, in contrast to mainland

sites at Hinnebu and Tjore with moderate abundance of wild cervids. The infection rate of Anaplasma phagocytophilum showed the opposite result with ON-01910 inhibitor a high prevalence in questing ticks in localities with a high density of wild cervids compared to localities with lower density.”
“Cooperative intervehicular applications rely on the periodic exchange of broadcast single-hop status messages among vehicles, which are called beacons. The aggregated load on a wireless channel due to beacons can prevent the transmission of other types of messages, which is called channel congestion due to beaconing activity. In this paper, we propose a novel statistical approach to transmit power control (TPC) for beaconing congestion control, which is called statistical beaconing congestion control (SBCC). Unlike previous proposals, SBCC uses local information and very limited feedback, and its implementation is simple. Each vehicle locally computes the power needed to comply with a given maximum beacon load as a function of estimated channel parameters, vehicle density, and beaconing rate. A realistic Nakagami-mfading and path-loss propagation model is assumed. We provide a final expression of the algorithm as a linear proportional controller, with two variants, i.e., channel-busy-time-(CBT) based SBCC (SBCC-C) and neighbor-based SBCC (SBCC-N), depending on how the parameters are estimated.

(c) 2008 Elsevier Inc All rights reserved “
“Acetic acid ba

(c) 2008 Elsevier Inc. All rights reserved.”
“Acetic acid bacteria (AAB) are known as a

vinegar producer on account of their ability to accumulate a high concentration of acetic acid due to oxidative fermentation linking the ethanol oxidation respiratory chain. Reactions in oxidative fermentation cause poor growth because a large amount of the carbon source is oxidized incompletely and the harmful oxidized products are accumulated almost stoichiometrically in the culture medium during growth, but a newly identified AAB, Asaia, has shown unusual properties, including scanty acetic acid. production and rapid growth, as compared with known AAB as Acetobacter, Gluconobacter, and Gluconacetobacter. To understand these unique properties of Asaia in more detail, the respiratory chain and energetics of this strain were investigated. It was found Epigenetic inhibitor research buy that Asaia lacks quinoprotein alcohol dehydrogenase, but has other sugar and sugar alcohol-oxidizing enzymes specific

to the respiratory chain of Gluconobacter, especially quinoprotein glycerol dehydrogenase. It was also found that Asaia has a cyanide-sensitive cytochrome bo(3)-type ubiquinol oxidase as sole terminal oxidase in the respiratory chain, and that it exhibits a higher H(+)/O ratio.”
“During neurogenesis, cell cycle regulators play a pivotal role in ensuring proper proliferation, cell cycle exit, and differentiation of neural precursors. However, the precise role of cyclin-dependent kinases (Cdks) in these processes is not well understood. We generated Cdk2 and Cdk4 double knockout selleck inhibitor (DKO) mice and found a striking ablation of the intermediate zone and cortical plate in mouse embryonic brain. When neural stem cells (NSCs) were isolated and ON-01910 price analyzed, DKO NSCs proliferated comparable to wild type as Cdk1 now binds to cyclin D1 and E1 and assumes

the role vacated by the loss of Cdk2 and Cdk4 in phosphorylating Rb. Although compensation was sufficient for the maintenance of self-renewal and multilineage potential, DKO NSCs displayed an altered cell cycle profile and were more prone to neuronal differentiation. This was manifested in vivo as a marked reduction in S-phase length and an increased tendency for neurogenic divisions that prevented proper expansion of the basal progenitor pool. Our data thus demonstrate the induction of neurogenic divisions in the absence of critical mediators of G1/S transition-Cdk2 and Cdk4, and highlight their evolutionary importance in the determination of cortical thickness. STEM CELLS 2012;30:1509-1520″
“The past decade has seen significant changes to the face of neurosurgical training in the United Kingdom, driven in part by an increasing focus on patient safety and the introduction of Modernising Medical Careers and the European Working Time Directive (EWTD).

(C) 2012 Elsevier Inc All rights reserved “
“The quite effi

(C) 2012 Elsevier Inc. All rights reserved.”
“The quite efficient adsorption of methylene blue dye from an aqueous solution by graphene oxide was studied. The favorable electrostatic attraction is the main STI571 in vitro interaction between methylene blue and graphene oxide. As graphene oxide has the special nanostructural properties and negatively charged surface, the positively charged methylene

blue molecules can be easily adsorbed on it. In the aqueous solution of methylene blue at 293 K, the adsorption data could be fitted by the Langmuir equation with a maximum adsorption amount of 1.939 mg/mg and a Langmuir adsorption equilibrium constant of 18.486 mL/mg. The adsorption amount increased with the increase of the solution pH (3-11), was not affected significantly NVP-BSK805 molecular weight by KCl under the examined condition and the adsorption process was exothermic in nature. The fast and considerable adsorption of graphene oxide could be regarded as a potential adsorbent for cationic dye removal in wastewater treatment process.”
“BACKGROUND

& AIMS: Activation of protein kinase C (PKC) enzymes in liver and brain alters hepatic glucose metabolism, but little is known about their role in glucose regulation in the gastrointestinal tract. We investigated whether activation of PKC-delta in the duodenum is sufficient and necessary for duodenal nutrient sensing and regulates hepatic glucose production through a neuronal network in rats. METHODS: In rats, we inhibited duodenal PKC and evaluated whether nutrient-sensing mechanisms, activated by refeeding, have disruptions in glucose regulation. We then performed gain-and loss-of-function pharmacologic and molecular experiments to target duodenal PKC-delta; we evaluated the impact on glucose production regulation during the pancreatic clamping, while basal levels of insulin were maintained. RESULTS: PKC-delta was detected in the

mucosal layer of the duodenum; intraduodenal infusion of PKC inhibitors disrupted glucose homeostasis during refeeding, indicating that duodenal activation of PKC-delta is necessary and sufficient to regulate glucose homeostasis. Intraduodenal infusion of the PKC activator 1-oleoyl-2-acetyl-sn-glycerol (OAG) specifically activated duodenal mucosal PKC-delta and a gutbrain-liver neuronal pathway to GSI-IX reduce glucose production. Molecular and pharmacologic inhibition of duodenal mucosal PKC-delta negated the ability of duodenal OAG and lipids to reduce glucose production. CONCLUSIONS: In the duodenal mucosa, PKC-delta regulates glucose homeostasis.”
“In addition to its role in the pathophysiology of numerous psychiatric disorders, increasing evidence points to serotonin (5-HT) as a crucial molecule for the modulation of neurodevelopmental processes. Recent evidence indicates that the placenta is involved in the synthesis of 5-HT from maternally derived tryptophan (TRP).

Results: The specimens were evaluated histologically and histomor

Results: The specimens were evaluated histologically and histomorphometrically. Upon histological evaluation, no obvious differences XMU-MP-1 ic50 were found between the control and the treatment group. Implants showed good

integration into the bone tissue surrounding them. There were also no statistically significant differences in bone-to-implant contact and the amount of bone tissue in the immediate neighborhood of the implant at both healing periods. Conclusions: The systemic administration of ALN was not found to affect histological osseointegration of implants in animals with a hormonal status resembling that of postmenopausal healthy women. Further research will be needed to investigate this approach.”
“The bee genus Augochlorodes Moure, up to now only known from Brazil,

is recorded for the first time for Argentina. Augochlorodes politus Goncalves & Melo was found in the south of the province of Buenos Aires, mideastern Argentina, being the southernmost record for the genus. The female of A. politus is redescribed and the male described for the first time, being the second male known for this genus. The phylogenetic position of Augochlorodes among Augochlorini is briefly discussed.”
“BACKGROUND: Ann plastic spermatocytic seminoma is a rare variant INCB024360 mouse of the conventional spermatocytic seminoma, with only 6 cases reported up to now. The anaplastic

variant contains only the medium-sized cell type, hallmarked by large-sized nucleoli, whereas the small lymphocyte-like and selleck chemicals giant cells typical of the conventional spermatocytic seminoma are lacking. CASE: We report herein an unusual case of a 40-year-old man with an anaplastic spermatocytic seminoma which metastasized first to the retroperitoneal lymph nodes and, something never before reported, subsequently to the lung and other organs. The immuno phenotype with c-kit and SALL4 positive and PLAP, as well OCT 3/4 negative tumor cells were identical to those of conventional spermatocytic seminoma. Cytogenetically the tumor cells showed a gain of chromosome 9, typical for spermatocytic seminoma, but simultaneously also the short arm 12p were overexpressed-an overexpression crucial to the aggressive behavior of seminomas and other nonseminomatous tumors but never before encountered in spermatocytic seminoma. CONCLUSION: The current opinion is that seminoma and nonseminomatous germ cell tumors develop from a common primitive progenitor cell, whereas spermatocytic seminomas develop from differentiated spermatogonia. The herein presented cytogenetic hybrid tumor shows that a crossover between the two different histogenetic “tracks” is possible.”
“The genome sequences of intestinal Bacteroidales strains reveal evidence of extensive horizontal gene transfer.

Our findings suggest that these sharks are either a small

Our findings suggest that these sharks are either a small

proportion of a local population or perhaps an even smaller component of a regional population in the western Indian Ocean. We applied a Lincoln-Petersen closed-population mark-recapture model and a Jolly-Seber open-population model to estimate population size, but found that neither model provided reliable results because key assumptions of each were not met.”
“Background: School travel mode and parenting practices have been associated with children’s physical activity learn more (PA). The current study sought to examine whether PA parenting practices differ by school travel mode and whether school travel mode and PA parenting practices are associated with PA. Methods: 469 children (aged 9-11) wore accelerometers from which RG-7112 Apoptosis inhibitor mean weekday and after-school (3.30 to 8.30 pm) minutes of moderate-to-vigorous intensity PA (MVPA) and counts per minute (CPM) were derived. Mode of travel

to and from school (passive vs. active) and PA parenting practices (maternal and paternal logistic support and modelling behaviour) were child-reported. Results: Children engaged in an average of 59.7 minutes of MVPA per weekday. Active travel to school by girls was associated with 5.9 more minutes of MVPA per day compared with those who travelled to school passively (p = 0.004). After-school CPM and MVPA did not differ by school travel mode. There was no evidence that physical activity parenting practices were associated with school travel mode. Conclusions: For girls, encouraging active travel to school is likely to be important for overall PA. Further formative research may be warranted to understand how both parental logistic support and active travel decisions are operationalized in families as a means of understanding how to promote increased PA among pre-adolescent children.”
“Combining a polymerase chain reaction (PCR) test with bronchoscopy is frequently performed to allow a rapid diagnosis of smear-negative pulmonary tuberculosis (PTB). Entinostat in vitro However, limited data are available concerning clinical

judgment in patients with suspected PTB and AFB smear- and PCR-negative bronchial aspirates (BA). The present study evaluated the usefulness of whole-blood QuantiFERON-TB Gold In-Tube (QFT) testing in these patients. Of 166 patients with suspected PTB who had undergone bronchoscopy because of smear-negative sputum or inadequate sputum production, 93 (56%) were diagnosed With culture-positive PTB. Seventy-four patients were either AFB smear- or PCR-positive. In the 75 patients whose BA AFB smear and PCR results were both negative. 19 were finally diagnosed with PTB by culture. The QFT test had a negative predictive value of 91% for PTB. The QFT test may be useful for excluding PTB in patients with suspected PTB whose BA AFB smear and PCR results are both negative. (C) 2012 Elsevier Inc. All rights reserved.

Women with a BMI bigger than = 25 kg/m(2) and a GCT 135 to 140 m

Women with a BMI bigger than = 25 kg/m(2) and a GCT 135 to 140 mg/dL appear to have less risk of LGA than women with GCT 130 to 134 mg/dL, suggesting a possible effect of diagnosing and treating gestational diabetes mellitus in this group.”
“Chemical-based common feature pharmacophore modelling of Niemann Pick C1 Like 1 inhibitors was performed to provide some insights on

the important pharmacophore features essential for Niemann Pick C1 Like 1 inhibition using Discovery Studio V2.5. After in-house database screening, a new series of substituted PP2 mouse oxazolidinones, selected from the top ranked hits, have been synthesized and evaluated as novel cholesterol absorption inhibitors. All compounds demonstrated effect of different degrees in lowering the total cholesterol in serum, especially compounds 1a, 2a and 2d, the potency of which was comparable to that of ezetimibe. It was also found that 1a, 1d and 2d could raise high-density lipoprotein cholesterol levels markedly. Interestingly, compounds 2a2f appeared to have the moderate potential

to lower triglyceride levels, which were superior to that of normal cholesterol absorption inhibitors including ezetimibe.”
“In this work, the Stark effect is shown to be mainly responsible for wrong elemental allocation by automated laser-induced breakdown spectroscopy (LIBS) software solutions. Due to broadening and shift of an elemental emission line affected by the Stark effect, selleck chemicals its measured spectral position might interfere with the line position of several other elements. The micro-plasma is generated

by focusing a frequency-doubled 200 mJ pulsed Nd/YAG Adavosertib datasheet laser on an aluminum target and furthermore on a brass sample in air at atmospheric pressure. After laser pulse excitation, we have measured the temporal evolution of the Al(II) ion line at 281.6 nm (4s(1)S-3p(1)P) during the decay of the laser-induced plasma. Depending on laser pulse power, the center of the measured line is red-shifted by 130 pm (490 GHz) with respect to the exact line position. In this case, the well-known spectral line positions of two moderate and strong lines of other elements coincide with the actual shifted position of the Al(II) line. Consequently, a time-resolving software analysis can lead to an elemental misinterpretation. To avoid a wrong interpretation of LIBS spectra in automated analysis software for a given LIBS system, we recommend using larger gate delays incorporating Stark broadening parameters and using a range of tolerance, which is non-symmetric around the measured line center. These suggestions may help to improve time-resolving LIBS software promising a smaller probability of wrong elemental identification and making LIBS more attractive for industrial applications.”
“Treatment of surfaces to change the interaction of fluids with them is a critical step in constructing useful microfluidics devices, especially those used in biological applications.

Enabling

the use of CO2 as electron acceptor for NADH oxi

Enabling

the use of CO2 as electron acceptor for NADH oxidation in heterotrophic microorganisms would increase product yields in industrial biotechnology.\n\nResults: A hitherto unexplored strategy to address this redox challenge is the MS-275 cell line functional expression in yeast of enzymes from autotrophs, thereby enabling the use of CO2 as electron acceptor for NADH reoxidation. Functional expression of the Calvin cycle enzymes phosphoribulokinase (PRK) and ribulose-1,5-bisphosphate carboxylase (Rubisco) in Saccharomyces cerevisiae led to a 90% reduction of the by-product glycerol and a 10% increase in ethanol production in sugar-limited chemostat cultures on a mixture of glucose and galactose. Co-expression of the Escherichia

coli chaperones GroEL and GroES was key to successful expression of CbbM, a form-II Rubisco from the chemolithoautotrophic bacterium Thiobacillus denitrificans in yeast.\n\nConclusions: Our results demonstrate functional expression of Rubisco in a heterotrophic eukaryote and demonstrate how incorporation of CO2 as a co-substrate in metabolic Selleck Tariquidar engineering of heterotrophic industrial microorganisms can be used to improve product yields. Rapid advances in molecular biology should allow for rapid insertion of this 4-gene expression cassette in industrial yeast strains to improve production, not only of 1st and 2nd generation ethanol production, but also of other renewable fuels or chemicals.”
“This case report is a unique presentation of a new potential indication for Gadofosvest (Ablavar), a blood pool contrast agent for magnetic resonance angiography (MRA). Ablavar is an excellent MRA contrast agent because it provides optimal contrast opacification of both the arterial and venous system, unlike the conventional extracellular agents that are used for

arterial imaging only. CCI-779 concentration The present case report demonstrates the ability of Ablavar to demonstrate pulmonary arteriovenous malformation (AVM), showing both its arterial feeders as well as its venous drainage tract. Crown Copyright (C) 2012 Published by Elsevier Inc. All rights reserved.”
“In this study we investigated how leading limb angles combined with active ankle moments of a sound ankle or passive stiffness of a prosthetic ankle, influence the center of mass (CoM) velocity during the single limb support phase in gait termination. Also, we studied how the trailing limb velocity influences the CoM velocity during this phase. We analyzed force plate data from a group of experienced transfermoral (TF) amputee subjects using a prosthetic limb, and the outcome from a two-dimensional mathematical forward dynamics model. We found that when leading with the sound limb, the subjects came almost to a full stop in the single limb support phase, without the use of the prosthetic limb.


“The environmental variables that determine the distributi


“The environmental variables that determine the distributions of benthic foraminiferal assemblages on the shoreface and inner shelf of the north of Valencia province PD-1/PD-L1 Inhibitor 3 (Western Mediterranean) are identified. The possible influence of variables such as water depth, distance from shore, hydrodynamics, substrate type, carbonate content, organic matter content and human activity is evaluated. Multivariate cluster-Q-type analysis and redundancy analysis (RDA) are used to identify the environmental variables that have the greatest influence on the assemblage distribution. The spatial distribution of the

assemblages is closely associated with water depth and substrate. The diversity and abundance of foraminifera shells increase with depth and their conservation improves. The most common species in the study area are Ammonia beccarii, Rosalina globularis, Buccella granulata, Planorbulina mediterranensis, and Lobatula lobatula. The presence of wastewater

in the study area has not polluted the foraminiferal assemblages (absence of anomalous shells). The direction of the discharge plume is a potential source of nutrients for deep water. (C) 2014 Elsevier Ltd. All rights reserved.”
“Accurate tracking of facial tissue in thermal infrared imaging is challenging because it is affected not only by positional but also physiological (functional) changes. This paper presents a particle filter tracker driven by a probabilistic template function with both spatial and temporal smoothing

components, which is capable of adapting to abrupt selleck chemicals llc positional and physiological changes. The method was tested on tracking facial regions of subjects under varying physiological and environmental conditions in 25 thermal clips. It demonstrated robustness and accuracy, outperforming other strategies. This new method promises improved performance in a number of biomedical applications that involve physiological measurements on the face, such as unobtrusive sleep and stress studies.”
“Nanomaterials are extensively used in medicines, industry and daily life, but little is known about their possible health Panobinostat in vivo effects. Titanium dioxide (TiO2) nonmaterial-based photocatalysis is useful in the complete mineralization of organic pollutants in waste water and air. While the Fe-doping of TiO2 enhances their photocatalytic activity, their potential pathophysiologic effects are unknown. Here, rutile Fe-doped (9%) pure titanium dioxide (TiO2) nanorods were prepared and characterized. Subsequently, we assessed the acute (24 h) pulmonary and extrapulmonary effects of intratracheal (i.t.) instillation of these nanorods (1 and 5 mg/kg) in Wistar rats. In the bronchoalveolar lavage, the treatment induced a significant and dose-dependent increase of neutrophils, an increase of interleukin-6 (IL-6, at 5 mg/kg), and caused a dose-dependent-decrease of superoxide dismutase (SOD) activity.