tristani (Rathbum 1896), P. tumimanus (Rathbun, 1898), and P. uncinatus Campos & Lemaitre, 1999, respectively. Two species, P. colombianus (Rathbun, 1896) and P. exilipes (Rathbun, 1898), are considered species inquerendae. Lectotype designations

are made for P. montanus and P. colombianus. Three species of Ptychophallus are known exclusively from Costa Rica, five exclusively YAP-TEAD Inhibitor 1 from Panama, and five species occur in both countries; one species appears to be exclusive of the Atlantic drainage, whereas five are known only from the Pacific drainage and seven occur in both drainages. The gonopod morphology of all species is redescribed and illustrated, and maps of their geographic distribution are furnished. A key to the species of Pseudothelphusidae from Costa Rica and to all species of Ptychophallus is provided.”
“Microalbuminuria is considered the first clinical sign of kidney dysfunction and is associated with a poor renal and cardiovascular prognosis in type 2 diabetes. Detection of patients who are prone to develop micro- or macroalbuminuria may represent an effective strategy to start or optimise therapeutic intervention. Here we assessed the value of a urinary proteomic-based risk score (classifier) in predicting the development and progression of microalbuminuria.\n\nWe conducted a prospective case-control study. Cases (n

= 44) and controls (n = 44) were selected from the PREVEND (Prevention of Renal and Vascular End-stage Disease) study and from the Steno Diabetes Center (Gentofte, Denmark). Cases were defined by transition Selleckchem Navitoclax from normo- to microalbuminuria SHP099 Others inhibitor or from micro- to macroalbuminuria over a follow-up of 3 years. Controls with no transitions in albuminuria were pair-matched for age, sex

and albuminuria status. A model for the progression of albuminuria was built using a proteomic classifier based on 273 urinary peptides.\n\nThe proteomic classifier was independently associated with transition to micro- or macroalbuminuria (OR 1.35 [95% CI 1.02, 1.79], p = 0.035). The classifier predicted the development and progression of albuminuria on top of albuminuria and estimated GFR (eGFR, area under the receiver operating characteristic [ROC] curve increase of 0.03, p = 0.002; integrated discrimination index [IDI]: 0.105, p = 0.002). Fragments of collagen and alpha-2-HS-glycoprotein showed significantly different expression between cases and controls.\n\nAlthough limited by the relatively small sample size, these results suggest that analysis of a urinary biomarker set enables early renal risk assessment in patients with diabetes. Further work is required to confirm the role of urinary proteomics in the prevention of renal failure in diabetes.”
“To investigate the effect of phosphorylation on the interactions of phospholamban (PLB) with itself and its regulatory target, SERCA, we measured FRET from CFP-SERCA or CFP-PLB to YFP-PLB in live AAV-293 cells.

In this study, we investigated the role of Preso in the regulation of glutamate-induced excitotoxicity in rat cortical neurons. Knockdown of Preso with small interfering RNA improved neuronal viability and attenuated the elevation of lactate dehydrogenase (LDH) release after glutamate treatment. Downregulation of Preso also inhibited an increase in the BAX/Bcl-2 ratio and cleavage of caspase-9 and caspase-3. Although the expression and distribution of metabotropic

glutamate receptor (mGluR) 1/5, NR1, NR2A and NR2B were not changed by knockdown of Preso, downregulation of Preso protected neurons from glutamate-induced excitotoxicity by inhibiting mGluR and N-methyl-d-aspartate receptor function. However, downregulation of Preso neither affected the expression of GluR1 and GluR2 nor influenced the function of -amino-3-hydroxy-5-methyl-4-isoxazole propionate receptor after glutamate treatment. Furthermore, VX-809 inhibitor intracellular Ca2+ was an important downstream effector of Preso in the

regulation of excitotoxicity. These results suggest that expression of Preso promotes the induction MAPK inhibitor of excitotoxicity by facilitating different glutamate receptor signaling pathways. Therefore, Preso might be a potential pharmacological target for preventing and treating neurological diseases.”
“Innate immune responses contribute to synovial inflammation in rheumatoid arthritis. The present study was designed to investigate the contribution of IFN regulatory factor (IRF) 3 and IRF7 to type I IFN-regulated gene expression in synoviocytes. Fibroblast-like synoviocytes were stimulated with polyinosinic-polycytidylic acid (poly [I-C]) after transfection with IRF3 or IRF7 small interfering RNA to knockdown transcription factor expression. Western blots, luciferase assay after transfection with reporter constructs, quantitative

PCR, and AP-1 DNA binding ELISA were performed to Cl-amidine manufacturer evaluate the role of IRF3 and IRF7 in poly (I-C)-induced signaling and synoviocyte gene expression. IRF3 regulates IFN-stimulated response element (ISRE) promoter activity as well as IFN-beta, IRF5, IRF7, RANTES, IFN-inducible protein-10, MCP-1, and MIP1 alpha gene expression in response to poly (I-C). IRF7 knockdown modestly decreased a subset of genes and ISRE activity, although the results were not statistically significant. Surprisingly, IRF3 knockdown almost completely blocked expression of additional genes in which the ISRE is not traditionally considered a dominant promoter site in fibroblast-like synoviocytes, including matrix metalloproteinase (MMP)3, MMP9, IL-6, and IL-8. Transcription factor activation studies demonstrated a role for IRF3 in regulation of c-Jun phosphorylation and AP-1 binding. IRF3 rather than IRF7 regulates poly (I-C)-induced type I IFN responses in human synoviocytes by increasing ISRE promoter activity.

“
“BRAF mutation has been linked to the development of melanocytic ERK activity inhibition tumors in homogeneous Caucasian cohorts. The role of solar UV

radiation (UVR) in BRAF mutation status is poorly understood. We studied the epidemiology of BRAF mutation across a spectrum of melanocytic neoplasms in populations with differing UVR rates. Extended testing for 9 mutation types was attempted on 600 melanocytic neoplasms including banal nevi (n = 225), dysplastic nevi (n = 113), primary (n = 172), and metastatic melanomas (n = 90). Specimens were collected from 4 countries with increasing UVR rates (in kJ/m(2)/yr): Syria (n = 45; UVR = 93.5), Lebanon (n = 225; UVR = 110), Pakistan (n = 122; UVR = 128), and Saudi Arabia (n = 208; UVR = 139). UVR was estimated from 21-year averages from The National Center for Atmospheric Research database.

The overall BRAF mutation rate was 49% (268 of 545) and differed significantly by the geographic location [34% Pakistan, 49% Lebanon, 67% Syria, and 54% Saudi Arabia; AG-881 chemical structure P = 0.001], neoplasm type (P smaller than 0.001), and anatomical location (P smaller than 0.001) but not with age (P = 0.07) and gender (P = 1.0). V600E was the predominant mutation type, found in 96.3% of the cases. Incidence of melanoma was significantly greater in BRAF-negative (39%) versus BRAF-positive (17%) groups. For BRAF-positive cases, less severe lesions were systematically more frequent (P smaller than 0.001). Multivariate analysis indicated that BRAF

mutation is predicted by neoplasm type, anatomical site, and geographic location. In our Near East cohort, BRAF mutation rates varied by geographic location but not based on UVR. BRAF-positive status was associated with less severe lesions.”
“In vivo fluorescent cellular imaging of deep internal organs is highly challenging, because the excitation needs to penetrate through strong scattering tissue and the emission signal is degraded significantly by photon diffusion induced by tissue-scattering. We report that by combining two-photon Bessel light-sheet microscopy with nonlinear structured click here illumination microscopy (SIM), live samples up to 600 microns wide can be imaged by light-sheet microscopy with 500 microns penetration depth, and diffused background in deep tissue light-sheet imaging can be reduced to obtain clear images at cellular resolution in depth beyond 200 microns. We demonstrate in vivo two-color imaging of pronephric glomeruli and vasculature of zebrafish kidney, whose cellular structures located at the center of the fish body are revealed in high clarity by two-color two-photon Bessel light-sheet SIM. (C) 2014 Optical Society of America”
“Background: Older people resident in care homes have a limited life expectancy and approximately two-thirds have limited mental capacity.

(Hypertension. 2013; 61: 1134-1140.) . Online Data Supplement”
“Several lines of evidence suggest that besides antioxidant also prooxidant properties are crucially www.selleckchem.com/products/rg-7112.html involved in cytotoxic and protective activities of the major green tea catechin epigallocatechin-3-gallate (EGCG) in vitro (Elbling et al., 2011). Furthermore recent data suggest that EGCG induces oxidative stress also in vivo (Li et al., 2010). Here we set out to identify factors modulating cellular effects of EGCG in vitro. Using the HaCat keratinocytes model, we demonstrate that the cytotoxic, genotoxic

and signal-activating effects of EGCG are significantly dependent on the ratio of cell number to working volume. Treatment with identical EGCG concentrations at altered experimental settings resulted in IC50 values differing up to orders of magnitude and could even exert contradictory effects. This effect was based on cell-mediated clearance of autooxidation-derived H2O2 from the supernatant. In order to estimate EGCG/H2O2 concentrations equally effective under different settings, we have rationally derived and experimentally verified a simple algorithm relating concentration, working volume, cell number and – indirectly – exposure time. Algorithm application resulted in similar H2O2 clearance curves

from cell supernatants as well as comparable EGCG/H2O2 effects at different AZD0530 settings. Our results demonstrate the importance of standardized experimental settings when investigating cytotoxic

this website and/or beneficial effects of autooxidizing compounds. (C) 2011 Elsevier Ireland Ltd. All rights reserved.”
“This study aimed to identify the association between gamma-aminobutyric acid-A (GABA-A) receptor subunit beta 3 (GABRB3) gene and autism spectrum disorders (ASD) in Korea. Fifty-eight children with ASD [47 boys (81.0%), 5.5 +/- 4.1 years old], 46 family trios, and 86 healthy control subjects [71 males (82.6%), 33.6 +/- 9.3 years old] were recruited. Transmission disequilibrium test revealed that, 183 bp long allele in GABRB3 gene was preferentially transmitted in families with ASD (p = 0.025), whereas a population-based case-control study, however, showed no association between ASD and GABRB3 microsatellite polymorphism. Our data provide preliminary evidence that GABRB3 gene is associated with ASD in Korea.”
“Background: The percentages of couples in HIV sero-discordant relationships range from 5 to 31% in the various countries of Africa. Given the importance of procreation and the lack of assisted reproduction to avoid partner transmission, members of these couples are faced with a serious dilemma even after the challenge of disclosing their HIV status to their spouses. Identifying the determinants of the decision to have children among sero-discordant couples will help in setting reproductive intervention priorities in resource-poor countries.

2 mg/L Indole butyric acid (IBA).”
“Letermovir is a novel antiviral compound currently in clinical development for the prevention of human cytomegalovirus (HCMV) infections. In contrast to all currently approved anti-HCMV drugs that target the viral DNA polymerase, letermovir acts via a distinct mode of action involving the viral terminase subunit pUL56. To extend

our understanding of potential letermovir resistance mechanisms, we used beta-catenin tumor marker transfer to characterize mutations identified in letermovir-resistant HCMV variants that were selected in cell culture.”
“The histone H1 family of nucleoproteins represents an important class of structural and architectural proteins that are responsible for maintaining and stabilizing higher-order chromatin structure. Essential for mammalian cell viability, they are responsible for gene-specific regulation of transcription and other DNA-dependent processes. Selleckchem Ulixertinib In this review, we focus on the wealth of information gathered on the molecular kinetics of histone H1 molecules using novel imaging techniques, such as fluorescence recovery after photobleaching. These experiments have shed light on the effects of H1 phosphorylation and core histone acetylation in influencing chromatin

structure and dynamics. We also delineate important concepts surrounding the C-terminal domain of H1, Such as the intrinsic disorder hypothesis, and how it affects H1 function. Finally, we address the biochemical mechanisms behind low-affinity H1

binding.”
“The immunogenicity of pandemic influenza A H1N1 virus (A/H1pdm) vaccine might be modified by prior seasonal trivalent Selleckchem ZD1839 influenza vaccine (sTIV) administration. We conducted a retrospective analysis of immunogenicity of 243 health care workers (number of sTIV-positive [sTIV(+)] subjects, 216; number of sTIV(-) subjects, 27) by hemagglutination inhibition. There was no significant difference in the ratios of antibody titers of >= 40 (41.2% versus 48.1%; P = 0.49) and fold increases in geometric mean titer (3.8 versus 4.5; P = 0.37). sTIV injected 7 to 10 days prior to A/H1pdm vaccine administration did not interfere with the immunogenicity of the latter.”
“Background The association between diabetes and thyroid cancer is rarely studied. This study evaluated thyroid cancer mortality trend in Taiwanese population, mortality rate ratios between diabetic patients and general population, and risk factors in diabetic patients. Methods In general population, age-standardized trends were evaluated from 1995 to 2006. A total of 113,347 diabetic men and 131,573 diabetic women aged 25years recruited during 19951998 were followed to 2006. Age- and sex-specific mortality rate ratios were calculated and Cox’s regression evaluated the risk factors. Results A steady trend of thyroid cancer mortality was observed in the general population.

This finding should be confirmed in a larger sample.”
“Partial substitution of various transition metals for Al

in 10Al(2)O(3)center dot 2B(2)O(3) (Al20B4O36, 10A2B) was studied to use as a thermostable support for Pd catalysts. Fe-substitution ATM/ATR assay afforded the formation of solid solutions in the range of x <= 1.5 in FexAl20-xB4O36 (Fe-10A2B) without impurities. The DFT calculations confirmed that Fe-substitution was most likely to occur on the 5-coordinated Al site and predicted a shorter Fe-O distances of 1.84-2.05 angstrom compared to 1.94 and 2.12 angstrom in Fe2O3, in accordance with Fe-K edge EXAFS results. Fe-substitution improved the catalytic NO conversion in a rich region (A/F < 14.6), because CO-H2O and subsequent NO-H-2 reactions were accelerated. The redox between Fe3+ and Fe2+ in Fe-10A2B generated the oxygen storage capacity (OSC), which yielded an efficient buffering effect Ferroptosis inhibitor drugs on air-to-fuel (A/F) fluctuation in a simulated exhaust gas stream with lean/rich perturbation. These results suggest that Fe-10A2B is expected to be used as

a multifunctional support material for Pd catalysts in automotive three-way catalysts. (C) 2013 Elsevier B.V. All rights reserved.”
“Background: Set-shifting is impaired in people with anorexia nervosa (AN), but the underlying physiological see more and biochemical processes are unclear. Animal studies have established that glutamatergic pathways

in the prefrontal cortex play an important role in set-shifting ability. However, it is not yet understood whether levels of serum glutamatergic amino acids are associated with set-shifting performance in humans. The aim of this study was to determine whether serum concentrations of amino acids related to glutamatergic neurotransmission (glutamine, glutamate, glycine, L-serine, D-serine) are associated with set-shifting ability in people with acute AN and those after recovery.\n\nMethods: Serum concentrations of glutamatergic amino acids were measured in 27 women with current AN (AN group), 18 women recovered from AN (ANRec group) and 28 age-matched healthy controls (HC group). Set-shifting was measured using the Wisconsin Card Sorting Test (WCST) and the Trail Making Task (TMT). Dimensional measures of psychopathology were used, including the Eating Disorder Examination Questionnaire (EDEQ), the Maudsley Obsessive-Compulsive Inventory (MOCI) and the Hospital Anxiety and Depression Scale (HADS).\n\nResults: Serum glutamine concentrations in the AN group (1,310.2 +/- 265.6 mu M, mean +/- SD) were significantly higher (by approximately 20%) than those in the HC group (1,102.9 +/- 152.7 mu M, mean +/- SD) (F-(2,F- 70) = 6.3, P = 0.003, 95% CI 61.2 to 353.4).

90, 1.90 g/L) and FDP (35.2, 68.7 mg/L), respectively.\n\nConclusions: DIC with a fibrinolytic phenotype modified through fibrinogenolysis at an early phase of trauma contributes to poor prognosis due to massive bleeding. Tissue hypoperfusion may be involved in the pathogenesis of this type of GNS-1480 supplier DIC. (C) 2009 Elsevier Ltd. All rights reserved.”
“Although the treatment of acute myocardial infarction has improved considerably and the mortality rate is reduced, patients

who survive may develop loss of cardiomyocytes, scar formation, ventricular remodeling, and ultimately heart failure. The treatment of the most severe types of heart failure is heart transplantation, but this therapeutic intervention is not available for a large number of patients due to a shortage of donor hearts.\n\nSince current pharmacological and interventional approaches are unsuccessful to regenerate infarcted myocardium, new approaches like gene-or cell-based therapies are tested to prevent loss of cardiac

tissue, enhance angiogenesis, and to reduce left ventricular remodeling. Exciting and promising data on laboratory animals have moved the field rapidly into clinical trials. Although several clinical trials proved the safety and feasibility of using gene-and cell-based therapies, many challenges buy Sapitinib remain before large-scale novel treatment modules will be available.\n\nThe purpose of this review is to summarize the key findings of larger, randomized clinical trials in cardiovascular medicine using both gene and cell-based

therapy, and to emphasize the most significant questions that emerged from the clinical experience so far, such as the optimal gene or cell type to be used, the ideal delivery route, and for DNA the ideal delivery system. Understanding the mechanisms of gene-and cell-based therapies is essential for designing the next phase clinical studies in the field of regenerative medicine.”
“In order to show the development and scope of a serological analysis method based on fluorescence polarization assay (FPA) from a drop of blood obtained by the capillary technique, a Brucella antibody assay was performed on a group of 321 high-risk workers. The results were compared with data from the analysis of blood serum by FPA and a competitive enzyme immunoassay (ELISA-c). The selleck screening library number of concordance was 318 (99.06%), and discordant 3 (0.93%), which were negative in serum by fluorescence polarization (FPAs) and ELISA-c, but positive with capillary FPA (FPAc). The comparative results FPAc were: sensitivity 100%; specificity: 99.05%; positive predictive value 66.67%; negative predictive value 100.0%; false positive rate: 0.95%; false negative rate: 0%; accuracy: 98.0%; odds ratio: 203.00. The youden J for both FPA methods was 0.667. The identification was considered reliable and the correlation of both procedures, FPA and ELISA-c, was no statistically different (P> 0.

This indicates that the main function of ankle collateral ligaments is to sense joint speeds in motions.”
“PurposeThis review highlights learn more the physiological mechanisms underlying the neural regulation of the kidney, normally to maintain

cardiovascular homeostasis, and in pathophysiological states of hypertension and renal disease. It is relevant because of the demonstration that bilateral renal denervation in different hypertensive groups causes a sustained reduction in blood pressure.Recent findingsThere are patients groups in whom their hypertension is resistant to antihypertensive drugs or with renal diseases in which they are contraindicated. Recently, medical devices have been developed to manipulate the sympathetic nervous system, for example, implantation of carotid sinus nerve stimulating electrodes and ablation of the renal innervation. These approaches have been relatively

successful but there remains a lack of understanding of the neural mechanisms impinging on the kidney that regulate long-term control of blood pressure.SummaryThe observation that bilateral renal nerve ablation can reduce blood pressure represents an important therapeutic milestone. Nonetheless, questions arise as to the underlying mechanisms, the long-term consequences, whether there may be re-innervation over a number of years, or whether some unknown consequence to the denervation may arise. This may point to the development of novel compounds targeted to the innervation of the kidney.”
“Background: In a double-blind, this website randomised phase III trial of advanced renal cell carcinoma patients, pazopanib 800 mg QD (n = 290) versus placebo (n = 145) significantly prolonged progression-free survival (hazard ratio (HR) = 0.46, 95% confidence interval [CI] 0.34-0.62, p-value < 0.0001), without important differences in health-related quality of life (HRQoL). This post-hoc analysis evaluated time to HRQoL deterioration and whether tumour response/stabilisation was associated with

HRQoL improvement.\n\nMethods: HRQoL was assessed using EORTC QLQ-C30 and EQ-5D. Effect of pazopanib on time to >= 20% decline from baseline in summary scores was estimated for all patients and by prior treatment. Analyses were conducted for different HRQoL deterioration BTK inhibitor thresholds. HRQoL changes were stratified by benefit and compared: complete response (CR) or partial response (PR) versus progressive disease (PD); CR/PR versus stable disease (SD), and SD versus PD.\n\nResults: There was a trend for pazopanib patients to be less likely than placebo patients to experience P20% HRQoL deterioration in EORTC-QLQ-C-30 global health status/QOL scale (HR = 0.77; 95% CI 0.57-1.03, not significant). Results by prior treatment and different HRQoL deterioration thresholds were similar. Patients with CR/PR and SD experienced significantly less HRQoL deterioration than those with PD (p < 0.001, p = 0.

PORP-like scaffolds were produced, and their poral features (porosity and pore interconnectivity) were evaluated via micro-CT. In addition, their capability to support human mesenchymal stromal cell (hMSC) colonization and osteoblastic differentiation in vitro was

investigated with both quantitative and qualitative analyses. This report summarizes and discusses all the fundamental issues associated with ossicle prosthetization as well as the challenging opportunities potentially offered to middle ear reconstruction by TE; moreover it demonstrates that PPF/PPF-DA PORP-like scaffolds can be appropriately fabricated to allow both the colonization of hMSCs and their osteoblastic maturation in vitro. Specifically, the expression patterns of the main osteogenic markers (alkaline

phosphatase, calcium) and of various matrix biomolecules Autophagy inhibitor library (glycoproteins, glycosaminoglycans, collagen 1) were studied. These preliminarily obtained outcomes may launch a new trend in otology dedicated to TE ossicle development to improve on the performance of current prosthetic replacements. (C) 2009 Wiley Periodicals, Inc. J Biomed Mater Res 92A: 1343-1356, 2010″
“Volatiles play a key role in attraction of pollinators to cycad cones, but the extent to which volatile chemistry varies among cycad species is still poorly documented. Volatile composition of male and female cones of nineteen African cycad species (Encephalartos; Zamiaceae) was analysed using headspace technique and gas chromatography mass spectrometry (GC MS). A total of 152 compounds were identified among BV-6 mouse the species included in this study, the most common of which this website were monoterpenes, nitrogen-containing

compounds and unsaturated hydrocarbons. Male and female cones emitted similar volatile compounds which varied in relative amounts with two unsaturated hydrocarbons (3E)-1,3-octadiene and (3E,5Z)-1,3,5-octatriene present in the volatile profile of most species. In a multivariate analysis of volatile profiles using non-metric multidimensional scaling (NMDS), a number of species clusters were identified according to shared emission of unsaturated hydrocarbons, pyrazines, benzenoids, aldehydes, alkanes and terpenoids. In comparison, terpenoids are common in Zamia and dominant in Macrozamia species (both in the family Zamiaceae) while benzenoids, esters, and alcohols are dominant in Cycas (Cycadaceae) and in Stangeria (Stangeriaceae). It is likely that volatile variation among Encephalartos species reflects both phylogeny and adaptations to specific beetle pollinators. (C) 2012 Elsevier Ltd. All rights reserved.”
“The large outbreak of diarrhea and hemolytic uremic syndrome (HUS) caused by Shiga toxin-producing Escherichia coli O104:H4 in Europe from May to July 2011 highlighted the potential of a rarely identified E. coli serogroup to cause severe disease.

Design. Cross-sectional. Setting. Four primary care health centres in Sweden. Patients. 411

consecutive patients (52% women), mean age 57.9 years (SD 5.9 years), with diagnosed and treated hypertension (BP > 140/90). Main outcome measures. Occurrence of OSA as measured by the apnoea hypopnoea index (AHI). Results. Mild (AHI 5-14.9/h) and moderate/severe (AHI > 15/h) OSA were seen among 29% and 30% of the patients, respectively. Comparing those without OSA with those with mild or moderate/severe OSA, no differences were found in blood pressure, pharmacological treatment (anti-hypertensive, anti-depressive, and hypnotics), sleep, insomnia symptoms, daytime sleepiness, or depressive symptoms. selleck compound Obesity (BMI > 30 kg/m(2)) was seen in 30% and 68% of the patients with mild and moderate/severe OSA, respectively. Male gender, BMI > 30 kg/m(2), selleckchem snoring, witnessed apnoeas, and sleep duration > 8 hours were determinants of obstructive sleep apnoea. Conclusion. Previously undiagnosed OSA is common among patients with hypertension in primary care. Obesity, snoring, witnessed apnoeas, long sleep duration, and male gender were the best predictors of OSA, even in the absence of daytime sleepiness and depressive symptoms.”
“Binding of Gas6 to Axl (Gas6/Axl axis) alters cellular functions,

including migration, invasion, proliferation, and survival. However, the molecular mechanisms underlying Gas6-mediated cell migration remain poorly understood. In this study, we found that Gas6 induced the activation of JNK and ERK1/2 signaling in cancer cells expressing Axl, resulting in the phosphorylation of activator protein-1 (AP-1) transcription factors c-Jun this website and ATF-2, and induction of Slug. Depletion

of c-Jun or ATF-2 by siRNA attenuated the Gas6-induced expression of Slug. Slug expression was required for cell migration and E-cadherin reduction/vimentin induction induced by Gas6. These results suggest that Gas6 induced cell migration via Slug upregulation in JNK- and ERK1/2-dependent mechanisms. These data provide an important insight into the molecular mechanisms mediating Gas6-induced cell migration. (C) 2013 Elsevier Inc. All rights reserved.”
“PTP-PEST (encoded by Ptpn12) is an intracellular protein tyrosine phosphatase belonging to the same family as LYP. LYP inhibits secondary T cell responses by suppressing Src family protein tyrosine kinases and is implicated in human autoimmunity. To determine the function of PTP-PEST in T cells, we generated mice with a conditionally deleted allele of Ptpn12. By removing PIP-PEST in T cells, we determined that PTP-PEST was not necessary for T cell development or primary responses. However, PTP-PEST was required for secondary T cell responses, anergy prevention, and autoimmunity induction.