In this paper we present a new technique for fault location based on magnetic force imaging of the magnetic field. By subtracting magnetic force images acquired p38 MAPK cancer at different probe-to-sample distances, the effects due to background, and probe geometry can be eliminated. We demonstrate that this method is capable of locating current carrying failure sites in model circuits with sub-micrometer uncertainty. We show how the technique can be used to map current paths in the presence of interfering currents on power supply and ground lines. (C) 2008 Elsevier B.V. All rights

reserved.”
“Purpose of review The purpose of the present study is to provide an updated, systematic review of the recent literature on whether nutrition is important to postpone frailty. Recent findings A systematic review of recent literature (past 12 months) identified nine studies (eight of which using a cross-sectional design) exploring the relationship between nutrition and frailty. A single randomized controlled double-blind trial was published. However, ON-01910 price being a pilot study, it was characterized by a relatively small sample size, short follow-up length (i.e., 6 months), and low statistical power. Notably, available evidence shows considerable variability in participants’ selection and assessment methods, rendering difficult direct

comparisons. Size effects or magnitude of associations across the different studies cannot also be determined. Summary There is a need for long-term, adequately powered, randomized controlled trials examining nutrition (alone and/or in combination with other appropriate interventions) as a means for postponing frailty in older persons.”
“Background: Hemoparasitoses have major importance in clinical diseases of small animals for infections are highly prevalent, www.selleckchem.com/products/dibutyryl-camp-bucladesine.html easily transmitted and difficult to control. Clinical signs are nonspecific, but laboratory abnormalities are frequent, especially changes in serum biochemistry. In veterinary medicine, laboratorial findings may favor the diagnosis of hemoparasitoses and improve the quality of treatment given to these patients. The present study

aimed at evaluating changes in serum biochemistry in dogs with molecular diagnosis of hemoparasites (Ehrlichia canis, Anaplasma platys and Leishmania sp.). Materials, Methods & Results: Molecular diagnosis for Ehrlichia canis, Anaplasma platys and Leishmania sp. were obtained in 26 dogs. A complete serum biochemical profile was determined in biochemical analyzer COBAS Mira. Biochemical analyzes, using commercial kits from Synermed, included total and partial protein by colorimetric method, creatinine by the kinetic method, urea, alanine aminotransferase (ALT), aspartate aminotrasnferase (AST), gamma glutamyl transferase (GGT) and alkaline phosphatase by enzymatic method. Considering reference values for canine species, it was observed an increase in the average value for serum urea concentration in dogs with leishmaniasis.

Patients were divided based on whether or not antiplatelet agents were used before admission (APTA vs NAPTA). The primary outcome was VTE occurrence. A forward logistic regression model was used to identify factors independently associated

with the primary outcome. During the study period, 461 (24%) patients met inclusion criteria: 70 (15%) APTA and 391 (85%) NAPTA. After adjusting for confounding factors, APTA patients were at a significantly higher risk for developing VTE (59 vs 40%; adjusted odds ratio, 1.8; 95% confidence interval, 1.0 to 3.0; adjusted P = 0.04). Whether or not antiplatelet agents were resumed during the hospital stay and the day on which they were resumed did not affect VTE risk. In conclusion, surgical ICU patients receiving antiplatelet agents before admission are at a significantly higher risk for development of VTE.”
“Many enteric bacteria use DZNeP supplier bile as an environmental cue to signal resistance and virulence gene expression. Microarray analysis of enterohemorrhagic Escherichia coli O157:H7 (EHEC) treated with bile salts revealed upregulation of genes for an efflux system (acrAB), a two-component signal transduction system (basRS/ pmrAB), and lipid A modification (arnBCADTEF and ugd). Bile salt treatment of EHEC produced a basS- and arnT-dependent resistance to polymyxin.”
“Metaplastic ossification

is a rare event in nasal polyps. The purpose of this study was to review the computed tomography (CT) and magnetic resonance (MR) imaging findings of nasal polyps with metaplastic ossification.\n\nCT (n = 5) and MR (n = 3) images of five patients (four men and one woman; mean age, 59 years) GW786034 in vivo with surgically proven nasal polyp with metaplastic ossification were retrospectively reviewed. The location and morphologic characteristics of metaplastic ossification were documented as well.\n\nAll lesions were seen as lobulated (n = 3), ovoid (n = 1), or dumbbell-shaped (n = 1) benign-looking masses with a mean size of 3.7 cm (range, 2.4-6.5 cm), located unilaterally in the posterior nasal cavity and nasopharynx (n =

2), posterior nasoethmoidal tract (n = 2), and maxillary sinus and nasal cavity (n = 1). Compared with the brain stem, the soft tissue components of all lesions demonstrated isoattenuation on precontrast CT scans, slight hypointensity selleck chemicals llc on T1-weighted MR images, and hyperintensity on T2-weighted MR images. On contrast-enhanced MR images, heterogeneous enhancement with marked peripheral enhancement was seen in two and homogeneous moderate enhancement in one. All lesions contained centrally located radiodense materials on CT scans, the shape of which was multiple clustered in three, single nodular in one, and single large lobulated in one.\n\nAlthough rare, metaplastic ossification can occur within nasal polyps. The possibility of its diagnosis may be raised when one sees a benign-looking sinonasal mass with centrally located radiodense materials on CT scans.

We employ a new knowledge driven HDN gene and molecular database systems approach to analyze Inflammatory selleck inhibitor Bowel Disease (IBD), whose pathogenesis remains largely unknown.\n\nMethods

and Results: Based on drug indications for IBD, we determined sibling diseases of mild and severe states of IBD. Approximately 1,000 genes associated with the sibling diseases were retrieved from four databases. After ranking the genes by the frequency of records in the databases, we obtained 250 and 253 genes highly associated with the mild and severe IBD states, respectively. We then calculated functional similarities of these genes with known drug targets and examined and presented their interactions as PPI networks.\n\nConclusions: The results demonstrate that this knowledge-based systems approach, predicated on functionally similar genes important to sibling diseases is an effective method to identify important components of the IBD human disease network. Our approach elucidates a previously unknown biological distinction between mild and severe IBD

states.”
“Background: Presence of epicardial coronary artery chronic total occlusion (CTO) predicts higher referral rates for coronary bypass graft surgery (CABG). However, the impact of coronary artery CTO on CABG outcomes click here has never been systematically studied. Method: We examined one-year outcomes in 605 consecutive Veterans, discharged post-CABG between June 2005 and December 2008. Results: A coronary CTO was present in 256 patients

(42%), predominantly (48.3%) in the right coronary artery distribution. Baseline clinical characteristics and medical therapy were similar in patients with and without a coronary CTO. A single CTO was present in 73.8%, and 26.2% patients had multiple CTO. All left anterior descending coronary artery CTO were successfully bypassed, as were >92% in left circumflex and right coronary arteries and 85% CTO in multiple coronary artery distributions. During the mean follow-up of 348.9 +/- 4.5 days, incidence of all-cause death and myocardial infarction were similar in both groups (7.1% in CTO group and 7.4% in non-CTO group; p = 0.97). CTO >20 mm in length constituted 74.9% and >40 mm 37.8%. One-year survival post-CABG was significantly lower in patients with CTO lengths >40 mm compared to =20 mm (p = 0.04). CTO >40 mm was an independent predictor A-1331852 supplier of post-CABG mortality controlling for age, number of CTO, comorbid diseases, clopidogrel use, severity of coronary artery disease, renal failure, and left ventricular ejection fraction. Conclusion: CABG achieves high success in grafting epicardial coronary vessels with CTO; however, presence of long coronary CTO (>40 mm) is an independent predictor of post-CABG survival. (J Card Surg 2012;27:662-667)”
“Background: Depression is common and treatable with cognitive behavior therapy (CBT), for example. However, access to this therapy is limited.

Five-week-old male Wistar rats (n = 35) were randomly assigned to five body weight-matched groups: tail-suspended group (SUS; n = 7); sedentary control group for SUS (S-CON; SNX-5422 n = 7); spontaneous recovery group after tail suspension (S + R-CON, n = 7); jump exercise group after tail suspension (S + R-JUM; n = 7); and age-matched control group for S+R-CON

and S+R-JUM without tail suspension and exercise (S-CON+R-CON; n = 7). Rats in SUS and SCON were killed immediately after tail suspension for 14 days. The jump exercise protocol consisted of 10 jumps/day, 5 days/wk, and jump height was 40 cm. Bone mineral density (BMD) of the femur and three-dimensional trabecular bone architecture at the distal femoral metaphysis were measured. Tail suspension

induced a 13.6% decrease in total femoral BMD (P < 0.001) and marked deterioration of trabecular architecture. After 5 wk of free remobilization, femoral BMD, calf muscle weight, and body weight returned to age-matched control levels, but trabeculae remained thinner and less connected. On the other hand, S+R-JUM rats showed significant increases in trabecular thickness, number, and connectivity compared CP-868596 clinical trial with S+R-CON rats (62.8, 31.6, and 24.7%, respectively; P < 0.05), and these parameters of trabecular architecture returned to the levels of S-CON+R-CON. These results indicate that suspension-induced trabecular deterioration persists after remobilization, but jump exercise during remobilization can restore the integrity of trabecular architecture and bone mass GW786034 in vivo in the femur in young growing rats.”
“Half a century ago, the apical ectodermal ridge (AER) at the distal tip of the tetrapod limb bud was shown to produce signals necessary for development along the proximal-distal (P-D) axis, but how these signals influence limb patterning is still much debated(1,2). Fibroblast growth factor (FGF) gene family members are key AER-derived signals(3,4), with Fgf4, Fgf8, Fgf9 and Fgf17 expressed specifically in the mouse AER(5). Here we demonstrate that mouse limbs lacking Fgf4, Fgf9 and

Fgf17 have normal skeletal pattern, indicating that Fgf8 is sufficient among AER-FGFs to sustain normal limb formation. Inactivation of Fgf8 alone causes a mild skeletal phenotype(6,7); however, when we also removed different combinations of the other AER-FGF genes, we obtained unexpected skeletal phenotypes of increasing severity, reflecting the contribution that each FGF can make to the total AER-FGF signal. Analysis of the compound mutant limb buds revealed that, in addition to sustaining cell survival, AER-FGFs regulate P-D-patterning gene expression during early limb bud development, providing genetic evidence that AER-FGFs function to specify a distal domain and challenging the long-standing hypothesis that AER-FGF signalling is permissive rather than instructive for limb patterning.

The use of conjugated enynes circumvented possible side rections, such as oligomerizations and cyclotrimerizations. The isolation of reaction intermediate complexes revealed that the eta(3)-butadienyl coordination

is the key for the selective formation of cyclobutene.”
“Objective: Faith Moves Mountains assessed the effectiveness of a faith-placed lay health advisor (LHA) intervention to increase Papanicolaou (Pap) test use among middle-aged and older women in a region disproportionately affected by cervical cancer and low screening rates (regionally, only 68% screened in prior 3 years).\n\nMethod: This community-based RCT was conducted in four Appalachian Kentucky counties (December 2005-June 2008). Women aged 40-64 and overdue for screening were recruited from churches and see more individually randomized to treatment (n = 176) or wait-list control

(n = 169). The intervention provided LHA home visits and newsletters addressing barriers to screening. Self-reported Pap test receipt was the primary outcome.\n\nResults: Intention-to-treat analyses revealed that treatment group participants (17.6% screened) had over twice the odds of wait-list controls (11.2% screened) of reporting Pap test receipt post-intervention, OR = 2.56, 95% Cl: 1.03-638, p = 0.04. Independent of group, recently screened participants (last Pap >1 but <5 years ago) had significantly higher odds of obtaining screening during the study than rarely or never screened participants (last Pap >= 5 years ago), OR = 2.50. 95% Cl: 1.48-425, p = 0.001.\n\nConclusions: The intervention was associated RG-7112 purchase 4EGI-1 datasheet with increased cervical cancer screening. The faith-placed LHA addressing barriers comprises a novel approach to reducing cervical cancer disparities among Appalachian women. (C) 2012 Elsevier Inc. All rights reserved.”
“Background. Definitive evidence that exercise interventions that improve gait also reduce disability is lacking. A task-oriented, motor sequence learning exercise intervention has been shown to reduce the energy cost of walking and improve gait speed, but whether the

intervention also improves activity and participation has not been demonstrated.\n\nObjective. The objective of this study was to compare the impact of a task-oriented, motor sequence learning exercise (TO) intervention and the impact of an impairment-oriented, multicomponent exercise (IO) intervention on activity and participation outcomes in older adults with mobility limitations. The mediating effects of a change in the energy cost of walking on changes in activity and participation also were determined.\n\nDesign. This study was a single-blind, randomized controlled trial.\n\nSetting. The study was conducted in an ambulatory clinical research training center.\n\nParticipants. The study participants were 47 older adults (mean age = 77.2 years, SD = 5.5) with slow and variable gait.

Apparent survival of adult males and adult females was estimated using the Cormack-Jolly-Seber model as 0.971 (SE = 0.008) and 0.977 (SE = 0.009), respectively. Calving intervals ranged from 3 to 14 years (mean = 5.06, SE = 0.722). These are the first estimates of northern Norwegian killer whale population parameters, allowing their dynamics to be investigated and comparisons to be made with killer

whale populations globally.”
“To Vorinostat cost investigate how cognitive impairment is affected by the relief of bilateral carotid stenosis, chronic cerebral hypoperfusion was established through stenosis of the bilateral carotid common artery in adult Sprague-Dawley rats. Subsequently, the model rats received the intragastric

placebo, donepezil (5 mg/kg), or surgery to relieve carotid stenosis after bilateral carotid common artery stenosis. After carotid stenosis was relieved, the cerebral blood flow values significantly increased, and P300 latency and escape latency in the Morris water-maze were significantly shortened. The concentrations of acetylcholine and norepinephrine in the dorsal hippocampus increased after carotid stenosis was relieved. Furthermore, P300 latency and escape latency were shortened in the relief-treated group compared to the drug-treated group, and acetylcholine levels in the relief-treated group were higher than the drug-treated group. No significant difference was found for the norepinephrine levels in the dorsal hippocampus between the relief-treated and drug-treated groups. GW786034 solubility dmso Cognitive impairment can CCI-779 mw be significantly reduced by bilateral carotid stenosis relief, and the effect of relieving stenosis on cognitive dysfunction is

superior to the effect of administering an acetylcholinesterase inhibitor.”
“Ester hydrolysis is one of the most ubiquitous reactions in biochemistry. Many of these reactions rely on metal ions for various mechanistic steps. A large number of metal-dependent nucleases have been crystallized with two metal ions in their active sites. In spite of an ongoing discussion about the roles of these metal ions in nucleic acid hydrolysis, there are very few studies which examine this issue using the native cofactor Mg(II) and global fitting of reaction progress curves. As part of a comprehensive study of the representative homodimeric PvuII endonuclease, we have collected single-turnover DNA cleavage data as a function of Mg(II) concentration and globally fit these data to a number of models which test various aspects of the metallonuclease mechanism. DNA association rate constants are similar to 100-fold higher in the presence of the catalytically nonsupportive Ca(II) versus the native cofactor Mg(II), highlighting an interesting cofactor difference. A pathway in which metal ions bind prior to DNA is kinetically favored.

(C) 2010 Elsevier Inc. All rights reserved.”
“A role for WNT signalling in gastric carcinogenesis has been suggested due to two major observations. First, patients with germline mutations in adenomatous polyposis coli (APC) are susceptible to stomach polyps and second, in BB-94 gastric cancer, WNT activation confers a poor prognosis. However, the functional significance of deregulated WNT signalling in gastric homoeostasis and cancer is still unclear. In this study we have addressed this by investigating the immediate effects of WNT signalling

activation within the stomach epithelium. We have specifically activated the WNT signalling pathway within the mouse adult gastric epithelium via deletion of either glycogen synthase

kinase 3 (GSK3) or APC or via expression of a constitutively active beta-catenin protein. WNT pathway deregulation dramatically affects stomach homoeostasis at very short latencies. In the corpus, there is rapid loss of parietal cells with fundic gland polyp (FGP) formation and adenomatous change, which are similar to those observed in familial adenomatous polyposis. In the antrum, adenomas occur from 4 days post-WNT activation. Taken together, these data show a pivotal role for WNT signalling in gastric homoeostasis, FGP formation and adenomagenesis. Loss of the parietal cell population and corresponding FGP formation, an early event in gastric carcinogenesis, as well

as antral adenoma formation are immediate effects of nuclear beta-catenin translocation and WNT target gene expression. selleckchem Furthermore, our inducible murine model will permit a better understanding of the molecular changes required to drive tumourigenesis in the stomach. Oncogene (2013) 32, 2048-2057; doi:10.1038/onc.2012.224; published online 4 June 2012″
“Viscum album L. is a semiparasitic plant grown on trees and widely used for the treatment of many diseases in traditional and complementary therapy. It is well known that some activities of Viscum album extracts are varied depending on the host trees, such as antioxidant, apoptosis-inducing, anticancer activities of the learn more plant. The aim of the present study is to examine the comparative effects of methanolic extracts of V. album grown on three different host trees (locust tree, lime tree, and hedge maple tree) on H2O2-induced DNA damage in HeLa cells. Oxidative damage in mitochondrial DNA and two nuclear regions was assessed by QPCR assay. The cells were pretreated with methanolic extracts (10 mu g/mL) for 48 h, followed by the treatment with 750 mu M H2O2 for 1 hour. DNA damage was significantly induced by H2O2 while it was inhibited by V. album extracts. All extracts completely protected against nuclear DNA damage.

In the present review methods of production, isolation, purification and quantification of outer membrane vesicles are summarized and discussed. (C) 2014 Elsevier GmbH. All rights reserved.”
“The impact of chronic urocortin 2 (Ucn2) treatment after myocardial infarction

(MI) has not previously been investigated. In this study, we examined the effects of 30-day Ucn2 administration (415 gkg(-1)d(-1) SC per day) in mice post-MI. Compared with surgical sham + vehicle controls (n = 10), MI + vehicle animals (n = 10) after 30 days demonstrated decreased ejection fraction (75.6 +/- 1.2 vs. 43.6% +/- 0.8%, P smaller than 0.001) and fractional shortening (38.20 +/- 0.83 vs. 18.4% +/- 0.54%, P smaller than 0.001) in association with increased heart weight-to-body weight AS1842856 ratio (4.57 +/- 0.25 vs. 5.29 +/- 0.18, P smaller than 0.01), left ventricular (LV) mass (91 +/- 7 vs. 126 +/- 8 mg, P smaller than 0.01), LV internal diameters

at both systole (1.91 +/- 0.14 vs. 3.45 +/- 0.09 mm, P smaller than 0.001) this website and diastole (3.14 +/- 0.15 vs. 4.25 +/- 0.10 mm, P smaller than 0.001), LV end systolic volumes (0.02 +/- 0.01 vs. 0.11 +/- 0.01 mL, P smaller than 0.001), and ventricular collagen 1 and -myosin heavy chain gene expression. Compared with MI + vehicle mice, MI + Ucn2 animals (n = 10) exhibited significantly reduced infarct size (4.00 +/- 0.39 vs. 1.83 +/- 0.44 mm(2), P smaller than 0.01), heart weight-to-body weight ratio (4.75 +/- 0.19, P = 0.06), LV mass (101 +/- 6 mg, P smaller than 0.01), LV internal diameters (systole 2.61 +/- 0.09 mm, P smaller than 0.001; diastole 3.78 +/- 0.09 mm, P smaller than 0.001), and end systolic volumes (0.14 +/- 0.02 mL, P smaller than 0.01) in conjunction with improved ejection fraction (65.2% +/- 0.9%, P smaller

than 0.001) and fractional shortening (18.4 +/- 0.5 vs. 30.5% +/- BEZ235 clinical trial 0.5%, P smaller than 0.001). Ucn2 treatment also decreased collagen 1 and -myosin heavy chain expression. In conclusion, chronic Ucn2 treatment significantly improves cardiovascular function and attenuates cardiac injury and remodeling in experimental MI.”
“We recently described the architecture of the Epstein-Barr virus (EBV) fusion-triggering complex consisting of the EBV B cell receptor human leukocyte antigen (HLA) class II and the EBV-encoded proteins gp42 and gH/gL. The architecture of this structure positioned the main body of gp42, comprising the C-type lectin domain (CTLD), away from the membrane and distant from where the membrane-bound form of gp42 might be tethered. gp42 is a type II membrane glycoprotein, with functional gp42 formed by cleavage near the gp42 amino-terminal transmembrane domain. This cleavage results in an approximately 50-amino-acid unstructured region that is responsible for binding gH/gL with nanomolar affinity.

bufo’s diversity was best explained by 1940s landscape and that of B. calamita by 2000s landscape. This study enlightens the genetic conservation value of quarries for pioneer species and the possible delays between landscape changes and their effects 5-Fluoracil mouse on the populations of some, but not all, species.”
“The serine hydrolase monoacylglycerol lipase (MGL) modulates endocannabinoid

signaling in vivo by inactivating 2-arachidonoylglycerol (2-AG), the main endogenous agonist for central CB1 and peripheral CB2 cannabinoid receptors. To characterize this key endocannabinoid enzyme by mass spectrometry-based proteomics, we first overexpressed recombinant hexa-histidine-tagged human MGL (hMGL) in Escherichia coli and purified it in a single chromatographic step with high yield (approximate to 30 mg/L). With 2-AG as substrate, hMGL displayed an apparent V-max of 25 mu mol/(mu g min) and K-m of 19.7 mu M, an affinity for 2-AG similar to that of native rat-brain

MGL (rMGL) (K-m = 33.6 mu M). hMGL also demonstrated a comparable affinity (K-m approximate to 8-9 mu M) for the novel fluorogenic substrate, arachidonoyl, 7-hydroxy-6-methoxy-4-methylcoumarin ester (AHMMCE), in a sensitive, high-throughput fluorometric MGL assay. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) unequivocably demonstrated the mass (34 126 Da) and purity of this hMGL preparation. After insolution tryptic digestion, hMGL full proteomic characterization was carried out, which showed (1) an absence of AZD9291 intramolecular disulfide bridges

in the functional, recombinant enzyme and (2) the post-translational removal of the enzyme’s N-terminal methionine. Availability of sufficient P505-15 quantities of pure, well-characterized hMGL will enable further molecular and structural profiling of this key endocannabinoid-system enzyme.”
“In the title compound, C24H56N4P2, the distance between the P atoms [2.2988 (8) and 2.3013 (13) angstrom in the major and minor occupancy components, respectively] is one of the longest reported for uncoordinated diphosphanes. The whole molecule is disordered over two positions with site-occupation factors of 0.6447 (8) and 0.3553 (8). The structure adopts the synperiplanar conformation in the solid state [N-P-P-N torsion angle = 14.7 5)degrees].”
“Although the classical function of myelin is the facilitation of saltatory conduction, this membrane and the oligodendrocytes, the cells that make myelin in the central nervous system (CNS), are now recognized as important regulators of plasticity and remodeling in the developing brain. As such, oligodendrocyte maturation and myelination are among the most vulnerable processes along CNS development. We have shown previously that rat brain myelination is significantly altered by buprenorphine, an opioid analogue currently used in clinical trials for managing pregnant opioid addicts.

PhT-3 was also found to mediate antiproliferative effects on human prostate cancer cell lines.”
“The dynamics of the fatty-acid (FA) composition of neutral acylglycerols (NAGs) composed of 1,2,3-triacyl-sn-glycerols (TAGs)

and 3-acetyl-1,2-diacyl-sn-glycerols (acDAGs) was determined in the fruit seeds and arils of three Euonymus L. species at three stages of their maturity. The NAG CCI-779 PI3K/Akt/mTOR inhibitor composition comprised 29 FAs, linoleic, oleic, palmitic, and alpha-linolenic acids being predominant. Noticeable amounts of other FAs, such as lauric, myristic, hexadec-9-enoic, stearic, (Z)-vaccenic, and arachidic acid, etc., could also be present. In the course of maturation, the qualitative composition of major FAs remained nearly unchanged, while the Alvocidib unsaturation index of FAs in seeds and in TAGs, as well as, but to a lesser extent, in arils and in acDAGs, respectively, always decreased. This decline was brought about by a sharp fall of the alpha-linolenate level, a decrease of the linoleate content,

and a corresponding rise in the oleate content. It is suggested that, in both seeds and arils, both classes of NAGs were formed at the expense of the same FA pool; the quantitative composition of this pool was characteristic of a given fruit part and strongly changed during maturation. The accumulation of TAGs in E. europaeus fruits was accompanied by a conversion of hexadec-9-enoic acid into (Z)-vaccenic acid via the C-2-elongation reaction.”
“BackgroundInfiximab has been shown to be highly effective in phase III clinical trials,

but limited information is available regarding drug survival and maintenance of efficacy beyond 1year in real-life clinical PF-6463922 Protein Tyrosine Kinase inhibitor setting. ObjectivesTo analyse the efficacy and safety of infliximab in a large number of patients with a long follow-up and to identify clinical factors associated with long-term drug survival. MethodsA retrospective review of patients with moderate-to-severe psoriasis treated with infliximab from March 2004 to August 2012 at a tertiary dermatology centre was carried out. ResultsIn total, 63 treatment courses with infliximab were administered to 56 patients. The mean duration of treatment was 31.6months. The only significant positive predictor of drug survival was combination treatment [hazard ratio (HR) vs. monotherapy 2.90, 95% confidence interval (CI) 1.42-5.92]. Significant negative predictors of drug survival were obesity (HR 0.40, 95% CI 0.19-0.87) and infusion reactions (HR 0.40, 95% CI 0.19-0.87). Infusion reactions occurred in 13 (23%) of our patients and were a reason for discontinuation of treatment in 5.