The shelf life of the resins did not prolong and lasted maximum f

The shelf life of the resins did not prolong and lasted maximum for about 2 months which was ascribed to the presence of reasonable amount of carboxyl terminal groups at the ends of a minor portion of the glycolyzed products that could actively act to self-catalyze the polycondensation and crosslinking reactions

during storage leading eventually to vitrification of the resin and shortening of shelf life. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 2377-2383, 2012″
“The aim BKM120 research buy of this work was to compare the prevalence of cyclops lesions after anterior cruciate ligament reconstruction (ACLR) using the single-bundle and remnant bundle preservation techniques.\n\nOne hundred consecutive patients, who had undergone postoperative HIF-1 pathway MRI of the knee followed by arthroscopic ACLR with the remnant bundle preservation technique (R) between February 2007 and August 2010, were enrolled in this study. Thirty-six consecutive patients who underwent ACLR using the single-bundle technique (S) were also included in this study as a control group. The MR findings were scored based on the presence of pre-ACL graft lesion as 0, 1, 2, or 3 on the sagittal images. The sixty-one specimens by second-look surgery (20 in S, 41 in R) were pathologically examined.\n\nThe numbers of patients with scores of 0, 1, 2, and 3 were 1, 18, 14, and 3 in Selleckchem Caspase inhibitor group S and 4, 60, 29, and 7, in group

R, respectively. Of the 61 patients who underwent second-look surgery (20 in S, 41 in R), eight had a cyclops lesion (three in group

S and five in group R). The prevalence of cyclops lesion was not significantly different in group R and group S (p = 0.761).\n\nThe prevalence of a cyclops lesion was similar in both groups.”
“Typically, active muscle force is calculated by subtracting measured passive force from measured total force for corresponding whole muscle lengths (standard method). From a mechanical point of view, this requires a parallel elastic component (PEC) that is arranged in parallel to both the series elastic component (SEC) and the contractile component (CC). From a morphological point of view, however, the PEC should be rather in parallel to the CC, and both in series to the SEC (model [CC]). In this study, we investigated the differences in active muscle force estimated with these two different approaches and their impact on the interpretation of experiments. We measured passive forces without stimulation and total forces during supramaximal stimulation of six cat soleus muscles in end-held isometric contractions from lengths near active insufficiency to lengths close to inducing stretch damage. The active forces estimated with model [CC] reach about 10% higher maximum isometric forces and reveal about 10% longer optimal lengths of the CC compared to the standard method.

These predictions were confirmed Consistent with an evolutionary

These predictions were confirmed. Consistent with an evolutionary analysis, the effect of strength on anger was greater for men and the effect of attractiveness

on anger was greater for women. Also as predicted, stronger men had a greater history of fighting than weaker men, and more strongly endorsed the efficacy of force to resolve conflicts-both in interpersonal and international conflicts. The fact that stronger men favored greater use of military force in international conflicts provides evidence that the internal logic of the anger program reflects the ancestral payoffs characteristic of a small-scale check details social world rather than rational assessments of modern payoffs in large populations.”
“Four coals of different rank were gasified, using a steam/oxygen mixture as gasifying buy Torin 1 agent, at atmospheric and elevated pressure in a fixed bed reactor fitted with a solids feeding system in continuous mode.

Independently of coal rank, an increase in gasification pressure led to a decrease in H-2 + CO production and carbon conversion. Gasification of the different rank Coals revealed that the higher the carbon content and reactivity, the greater the hydrogen production, Co-gasification experiments of binary (coal-biomass) and ternary blends (coal-petcoke-biomass) were conducted at high pressure to study possible synergetic effects. Interactions between the blend components were found to modify the gas production. An improvement in hydrogen selleckchem production and cold gas efficiency was achieved when the coal was gasified with biomass. (C) 2009 Elsevier Ltd. All rights reserved.”
“Rotavirus (RV), a member of the genus Rotavirus of the family Reoviridae, is an important

causative agent of diarrhoea diseases of human and animals worldwide. The Asian Rotavirus Surveillance Network reported that overall 45% of diarrhoea admissions in Asian region were positive for rotavirus in nine countries and regions of Asia (2008). But very limited knowledge about animal diarrhoea diseases caused by rotavirus was published until now. Valuation of genetic relations between human and animal rotavirus isolates is very limited. To better understand the rotavirus CH-1 strain isolated from diarrheic faeces of giant panda in 2008, we cloned the non-structural protein (NSP) 1 similar to 5 complete coding sequence of the giant panda rotavirus (GPRV), and sequenced NSP1 similar to 5 genes (GenBank accession number: NSP1, GU205762; NSP2, GU188281; NSP3, GU329525; NSP4, GU188282; NSP5, GU329526). Based on these information and data from GenBank of other genus of RV NSP1 similar to 5 genes, phylogenetic analysis were realized.

Additionally, we derive an evidence-based neuropsychological diag

Additionally, we derive an evidence-based neuropsychological diagnostic procedure for assessing PDD under special consideration of these comorbid aspects.”
“We evaluated the labeling stability of several alternative meals that could be used to perform solid-phase gastric emptying study. Cooked egg whites labeled with technetium-99m sulfur colloid served as a control. Packaged instant oatmeal and instant mashed potatoes were prepared by adding hot water. Cheddar cheese was melted. Peanut butter was added to bread. The different meals were mixed

with technetium-99m sulfur colloid (2.2-3.7MBq), chopped into small pieces and placed in a glass tube Selisistat supplier containing gastric juice. Four samples of each meal were analyzed after 1 and 4 h of agitation with a 3-D rotator (two samples per time point). The meal samples were washed with 2 ml of saline and filtered using a blood transfusion filter. The activity in each sample before and after filtering was assayed in a dose calibrator. The

percentage of initial radioactivity remaining with the meal of admixture with gastric juice was measured and the average of the two samples was taken. The percentage of activity bound to the solid phase was 98.2 +/- 1.9, 95.6 +/- 1.1, 62.1 +/- 1.7, 41.8 +/- 0.6, and 74.5 +/- 3.8% at 1 h and 98.5 +/- 1.0, 95.8 +/- 2.6, 77.2 +/- 6.8, 55.5 +/- CYT387 inhibitor 3.4 and 40.2 +/- 22.1 at 4 h for egg whites, cheese, oatmeal, mashed potatoes and peanut butter respectively. For egg whites and cheese, there was no significant difference between the values at 1 and 4 h (P > 0.8). Cheddar cheese provides an alternative meal for assessing solid gastric emptying in children comparable to egg whites. Oatmeal and mashed potatoes

had low and variable labeling stability and are not recommended. In view of the significant proportion of pediatric patients who refuse to eat scrambled eggs or have allergy to eggs, the availability of other meal choices is essential. The versatility of cheddar cheese, which can be added to macaroni selleck screening library or as a topping on pizza, makes it a useful alternative to labeled eggs. Nucl Med Commun 31: 430-433 (C) 2010 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.”
“A global mass balance (Greenland and Antarctica ice sheet mass loss, terrestrial water storage) and different sea-level components (observed sea-level from satellite altimetry, steric sea-level from Ishii data, and ocean mass from gravity recovery and climate experiment, GRACE) are estimated, in terms of seasonal and interannual variabilities from 2003 to 2010. The results show that a detailed analysis of the GRACE time series over the time period 2003-2010 unambiguously reveals an increase in mass loss from the Greenland ice sheet and Antarctica ice sheet. The mass loss of both ice sheets accelerated at a rate of (392.8 +/- 70.0) Gt/a during 2003-2010, which contributed (1.09 +/- 0.

In the current standard protocols, when

In the current standard protocols, when see more one or two of the canonical proliferating index biomarkers are analyzed, contradictory results are frequently reached leading to incorrect cancer diagnostic and unsuccessful

therapies. Therefore, the identification of other cellular characteristics or signatures present in the tumor cells either alone or in combination with the well-established proliferation markers emerge as an alternative strategy in the improvement of cancer diagnosis and treatment. Because it is well known that several pathways and processes are altered in tumor cells, the concept of “single marker” in cancer results incorrect. Therefore, this review aims to analyze and discuss the proposal that the molecular profile of different genes or proteins in different altered tumor pathways must be established to provide a better global clinical pattern for cancer detection and prognosis. J. Cell. Biochem. 112: 2703-2715, 2011. (C) 2011 Wiley-Liss, Inc.”
“This study investigates concreteness effects in tasks requiring short-term retention. Concreteness effects were assessed in serial recall, matching span, order reconstruction, and free recall. Each task was carried out both in a control condition and under articulatory suppression. Our results show no dissociation between tasks that do and do not require spoken output. This argues

against the redintegration hypothesis according to which lexical-semantic effects in short-term memory arise only LY2090314 cell line at the point of production. In contrast, concreteness effects were modulated by task demands that stressed retention of item versus order information. Concreteness effects were stronger in free recall than in serial

recall. Suppression, which weakens phonological representations, enhanced the concreteness effect with item scoring. In a matching task, positive effects of concreteness occurred with open sets but not with closed sets of words. Finally, concreteness effects reversed when the task asked only for recall of word positions (as in the matching task), when phonological representations were weak (because of suppression), and when lexical semantic representations overactivated (because Selleck Vorinostat of closed sets). We interpret these results as consistent with a model where phonological representations are crucial for the retention of order, while lexical-semantic representations support maintenance of item identity in both input and output buffers.”
“The edema formation in nephrotic syndrome (NS) is associated with a blunted response to atrial natriuretic peptide (ANP). The natriuretic effects of ANP have been related to renal dopamine D1-receptors (D1R). We examined the interaction between ANP and renal D1R in rats with puromycin aminonucleoside-induced NS (PAN-NS).

Results Two serial head CT scans from each of 50 patients (a

\n\nResults. Two serial head CT scans from each of 50 patients (age range 0-17 years; mean age 5.5 years) were reviewed both in standard and limited-sequence forms. The limited-sequence CT adequately portrayed the ventricular system in all cases. The inaccuracy rate for selleck chemicals assessing changes in ventricular size by majority assessment (2 of 3 reviewers evaluating inaccurately) was 3 (6%) of 50. In 1 case, the inaccurate assessment would not have altered clinical management, corresponding to a 2 (4%) of 50 clinically relevant inaccuracy rate. As compared with the gold standard complete head CT series, the limited-sequence CT exhibited high sensitivity (100%)

and specificity (91%) for portraying changes in ventricular caliber. Additionally, the limited-sequence CT displayed the ventricular catheter in 91.7% of scans averaged across 3 observers. Among all scans reviewed, 97 pairs of standard head CT and complementary limited-sequence

CT scans contained adequate dosing information to calculate the effective dose (ED). The ED50 of the limited-sequence CT (0.284 mSv) differed significantly from the ED50 of the standard head SIS3 molecular weight CT (4.27 mSv) (p < 0.0001). The limited-sequence CT reflected a median absolute reduction of 4.10 mSv and a mean percent reduction of 91.8% in ED compared with standard head CT.\n\nConclusions. Limited-sequence head CT scanning provided adequate and accurate diagnostic information in children

with shunted hydrocephalus. Techniques including minimization of axial slice quantity and modification of CT scanner parameters can achieve significant dose reduction, maintaining a balance between diagnostic utility and patient safety.”
“In current study, we describe blood pressure (BP)-lowering, endothelium-dependent, and independent vasodilator and cardio-modulatory actions of Carum roxburghianum seed. The crude extract of C. roxburghianum seed (Cr. Cr) induced dose-dependent (10-100 mg/kg) fall in arterial BP of anaesthetized rats. In isolated rabbit aorta, Cr. Cr (0.3-10 mg/mL) inhibited high K+ (80 mM) and phenylephrine (PE, 1 mu M)-induced contractions, like verapamil and papaverine. In endothelium-intact rat aortic preparations, N-omega-nitro-L-arginine methyl ester hydrochloride-sensitive vasodilator activity was observed selleck chemicals llc with Cr. Cr, which also relaxed endothelium-denuded aorta tissues. In guinea-pig atria, Cr. Cr initially caused mild cardiac stimulation, followed by inhibition, as shown by papaverine. These results reveal that cardiovascular effects of C. roxburghianum seed extract are mediated possibly through combination of Ca++ antagonist, nitric oxide modulating and phosphodiesterase inhibitory mechanisms, though further in-depth studies are required for elucidating precise mode of action.”
“This work describes the synthesis of a series of fatty acid hydrazide derivatives of isoniazid (INH).

Treatment resulted in GL-3 substrate decrease in female patients

Treatment resulted in GL-3 substrate decrease in female patients with amenable GM mutations. Phase 3 studies are ongoing. Trial registration: NCT00304512.

(C) 2013 Elsevier Inc. All rights reserved.”
“Leiomodin (Lmod) is a muscle-specific F-actin-nucleating protein that is related to the F-actin pointed-end-capping protein tropomodulin (Tmod). However, Lmod contains a unique similar to 150-residue C-terminal extension that is required for its strong nucleating activity. Overexpression or depletion of Lmod compromises sarcomere organization, but the mechanism by which Lmod contributes to myofibril assembly is not well understood. We show that Tmod and Lmod localize through fundamentally different mechanisms to the pointed ends of two distinct SBE-β-CD subsets of actin filaments in myofibrils. Tmod localizes to two narrow bands immediately adjacent to M-lines, whereas Lmod displays dynamic localization to two broader bands, which are generally more separated from M-lines. Lmod’s localization and F-actin nucleation activity are enhanced by interaction with tropomyosin. Unlike Tmod, the myofibril localization of Lmod depends on sustained muscle contraction and actin polymerization. We further show that Lmod expression correlates with the maturation of myofibrils in cultured cardiomyocytes and that it associates with

sarcomeres only in differentiated myofibrils. Collectively, the data suggest that Lmod contributes to the final organization and maintenance of sarcomere architecture by promoting tropomyosin-dependent actin filament nucleation.”
“Induction and activation of the p53 tumour suppressor protein occurs in response LBH589 in vivo to a number of cellular stresses, including disruption of RNA polymerase II-mediated transcription. Both p53 itself and its principle negative regulator, the E3 ubiquitin ligase Mdm2, are substrates for phosphorylation by the protein kinase CK2 in vitro. CK2 phosphorylates Mdm2 within its central acidic domain, a region that is critical for making a second point

of contact with p53 and mediating p53 ubiquitylation and turnover. Additionally, there is evidence that CK2 interacts with, and regulates, both p53 and Mdm2 within the cell but the molecular mechanisms through which CK2-mediated regulation of the p53 response can occur are only poorly understood. Previously, we showed that the basal transcription factor TAFII250, a critical component of TFIID, can interact with Mdm2 and promote the association of the Mdm2 acidic domain with p53. In the present study, we show that immunoprecipitates of TAFII250, either from mammalian cell extracts or from baculovirus-infected cells expressing elevated levels of HA-tagged TAFII250, can phosphorylate Mdm2 in vitro within its acidic domain. We show that CK2 is tightly associated with TAFII250 and is the principal activity responsible for TAFII250-mediated phosphorylation of Mdm2.

The result revealed a strong association between the rs135745 (3′

The result revealed a strong association between the rs135745 (3′-untranslated region) genotype distribution and heroin dependence (P = 0.0006). The frequency of the C allele was significantly higher in the heroin-dependent patients than in the healthy

controls (chi(2) = 7.172, P = 0.007, OR = 1.426, 95 % CI = 1.099-1.849). Further genotype and clinical phenotype correlation study of the rs135745 carriers showed that the amount of heroin self-injection was higher in patients with the GC + CC genotype compared to the patients with the GG genotypes (P smaller than 0.01). Strong linkage disequilibrium (LD) was observed in block 1, block 2, and block 3 (D’aEuro parts per thousand bigger than 0.9), whereas OSI-744 mouse significant evidence of LD was not observed between these SNPs in our sample population. These findings point to a role for Csnk1 epsilon polymorphisms in heroin dependence among the Han Chinese population and may be DNA Damage inhibitor informative for future genetic or neurobiological studies on heroin dependence.”
“Prune-belly sequence (PBS) usually results from early urethral obstruction. In rare cases, PBS seems to be due to a faulty primary development of the parietal mesenchyme leading to underdevelopment of the abdominal wall musculature, and disorganization of the smooth muscles in the urinary tract. We report on two patients

with segmental, unilateral wall musculature deficiency associated with homolateral agenesis of ribs. One patient also had hemivertebrae and the other one ipsilateral diaphragmatic eventration and aplasia cutis. This combination of anomalies may represent a

localized deficiency in the development of somitic mesoderm mesenchyme during early embryogenesis. (C) 2010 Wiley-Liss, Inc.”
“Optomechanical phenomena in photonic devices provide a new means of light-light interaction mediated by optical force actuated mechanical motion. In cavity optomechanics, this interaction can be enhanced significantly to achieve strong interaction between optical signals in chip-scale systems, enabling all-optical signal processing without resorting to electro-optical conversion or nonlinear materials. However, current implementation of cavity optomechanics achieves both excitation and Selleck AZD9291 detection only in a narrow band at the cavity resonance. This bandwidth limitation would hinder the prospect of integrating cavity optomechanical devices in broadband photonic systems. Here we demonstrate a new configuration of cavity optomechanics that includes two separate optical channels and allows broadband readout of optomechanical effects. The optomechanical interaction achieved in this device can induce strong but controllable nonlinear effects, which can completely dominate the device’s intrinsic mechanical properties. Utilizing the device’s strong optomechanical interaction and its multichannel configuration, we further demonstrate all-optical, wavelength-multiplexed amplification of radio-frequency signals.

We discuss the effect of Gal3 on the quaternary structure of Gal8

We discuss the effect of Gal3 on the quaternary structure of Gal80 in light of the evidence pointing to multimeric Gal80 as the form required to inhibit Gal4.”
“The causative agents of avian mycobacteriosis in pet birds are rarely identified. The aim of this

study is to add information about the etiology of avian mycobacteriosis. The identification of mycobacterium species in 27 cases of avian mycobacteriosis in pet birds was investigated by polymerase chain reaction (PCR) and sequencing of a rRNA hypervariable region. Avian mycobacteriosis appeared to be an infrequent diagnosis. Interestingly, a few cases of avian mycobacteriosis were recorded in very

young birds. The most commonly affected species were the canary (Serinus canarius), the Eurasian goldfinch (Carduelis GSK3326595 cell line carduelis) and the red siskin (Spinus cucullatus). All but one bird were infected with Mycobacterium genavense. Mycobacterium avium was identified only in one case. (c) 2008 Elsevier B.V. All rights reserved.”
“3D image technology provides a very effective tool for evaluating, characterising, and drawing up the surgical treatment plan for potential orthognathic surgery patients. Patients with dysmorphic syndromes or incorrect jaw positions frequently show facial asymmetry. The objective of this cross-sectional survey is to evaluate Adavosertib clinical trial facial asymmetry by means of three-dimensional computed tomography (CT) reconstructions. Twenty one consecutive patients were diagnosed using a CT scan. 3D reconstructions of the patients’ skulls were made and then measurements taken of different craniometric landmarks and of the various structures presenting asymmetry. The gonion emerged as the most asymmetrical point in all subjects, and the anterior nasal spine

showed least deviation. The t test produced statistically significant differences (p<0.05) between symmetric and asymmetric RG-7388 in vivo patients at all landmarks. The lateral inclination of the mandibular ramus was shown to present the greatest asymmetrical deviation, followed by the frontal inclination of the mandibular ramus. The angulation of the mandibular ramus, on both frontal and lateral planes, determines apparent facial asymmetry, as well as conditioning the surgical treatment plan for patients with craniofacial asymmetry.”
“This article, written by two entrepreneurs in luminescence, traces their involvement in the major part of the interconnected innovation and development of luminometers, adenosine triphosphate (ATP) bioluminescence and other technologies from the mid-1970s to 2011 that ushered in much of the field of luminometry as we know it today.

Finally, we explore the possibility of using layers of commonly a

Finally, we explore the possibility of using layers of commonly available materials with increasing shock impedances for a generation of isentropic compression. It is shown that ramp pressure wave can be Caspase pathway produced by optimizing the layer thicknesses of the materials used. (C) 2011 American Institute of Physics. [doi:10.1063/1.3606406]“
“Transforming growth factor-beta 1 (TGF-beta 1) protects against

neuroinflammatory events underlying neuropathic pain. TGF-beta signaling enhancement is a phenotypic characteristic of mice lacking the TGF-beta pseudoreceptor BAMBI (BMP and activin membrane-bound inhibitor), which leads to an increased synaptic release of opioid peptides and to a naloxone-reversible hypoalgesic/antiallodynic phenotype. Herein, we investigated the following: (1) the effects of BAMBI deficiency on opioid receptor expression, functional efficacy, and analgesic responses to endogenous and exogenous opioids; and (2)

the involvement of the opioid system in the antiallodynic effect of TGF-beta 1. BAMBI-KO mice were subjected ATG-016 to neuropathic pain by sciatic nerve crash injury (SNI). Gene (PCR) and protein (Western blot) expressions of mu- and delta-opioid receptors were determined in the spinal cord. The inhibitory effects of agonists on the adenylyl cyclase pathway were investigated. Two weeks after SNI, wild-type mice developed mechanical allodynia and the functionality of mu-opioid receptors was reduced. By this time, BAMBI-KO mice were protected against 3-deazaneplanocin A allodynia and exhibited increased expression

and function of opioid receptors. Four weeks after SNI, when mice of both genotypes had developed neuropathic pain, the analgesic responses induced by morphine and RB101 (an inhibitor of enkephalin-degrading enzymes, which increases the synaptic levels of enkephalins) were enhanced in BAMBI-KO mice. Similar results were obtained in the formalin-induced chemical-inflammatory pain model. Subcutaneous TGF-beta 1 infusion prevented pain development after SNI. The antiallodynic effect of TGF-beta 1 was naloxone-sensitive. In conclusion, modulation of the endogenous opioid system by TGF-beta signaling improves the analgesic effectiveness of exogenous and endogenous opioids under pathological pain conditions.”
“A series of oxazolidin-2-one-4-carboxylic amide compounds (1a-f) were designed and synthesized as the non-phosphate S1P1 receptor agonists. The single crystal of 1e was prepared and solved to elucidate the structure of 1a-f. EC(50) of 1a-d were about 1.1-3.6 mu M in S1P(1) Redistribution (R) assay, and their cytotoxicity was 8-40-fold lower than FTY720. Though its S1P(1) agonist activities in vitro were about 1000-folds weaker than (S)-FTY720-P, at a dose of 10 mg/Kg, the immunosuppressive effects of 1a were comparable to FTY720.

With regard to FOXO1, this observation is supported by data from

With regard to FOXO1, this observation is supported by data from an Italian sample and is consistent with several previous reports, but appears to be in contrast to a recent study of Han Chinese. The discrepant association findings in Europeans and Chinese may be explained by their different FOXO1 linkage disequilibrium structures and could indicate a Chinese- or Asian-specific effect.”
“Introduction: Etching is necessary to expose the fibers and enable both mechanical and chemical bonding of the resin core to the fiber post. This study evaluated the effect

of concentration and application time of hydrogen peroxide on the surface topography and bond strength of glass fiber posts to resin cores. Methods: Fiber posts were etched with 24% or 50% hydrogen peroxide for 1, 5, or 10 min (n = 10). Posts without PXD101 cell line any treatment were used as a control. After etching, the posts were silanated and adhesive resin was applied. The posts were positioned into a mold to allow a self-cured resin core to be inserted. The post/resin assembly was serially sectioned into five beams that were subjected to a tensile bond strength test. Data were subjected to two-way ANOVA and Tukey test (alpha = 0.05). The surface topography was analyzed

using LY2157299 mouse scanning electronic microscopy. Results: Non-etched post presents a relatively smooth surface without fiber exposure. Application of hydrogen peroxide increased the surface

roughness and exposed the fibers. All experimental conditions GSK2245840 in vitro yielded similar bond strength values that were higher than those obtained in the control group. Conclusion: Both 24% and 50% hydrogen peroxide exposure increased the bond strength of resin to the posts, irrespective of the application time. (J Ended 2011;37:398-402)”
“The article describes both the early development of oncology as a core discipline at the University of Heidelberg Hospital and the first steps towards ion beam treatment, from the pilot project carried out in co-operation with the Gesellschaft fur Schwerionenforschung Darmstadt to the initial start-up of clinical service at the Heidelberg Heavy Ion Centre (HIT). We present an overview, based on data published in the literature, of the available clinical evidence relating the use of ion beam therapy to treat major indications in active particle centres. A rationale for the use of particle therapy in each of these indications is given. In view of the limited availability of data, we discuss the necessity to conduct clinical trials. We also look forward towards the next activities to be undertaken at the HIT.”
“Activation of pattern recognition receptors (PRR) may contribute to arthritis. Here, we elucidated the role of NOD2, a genetic cause of inflammatory arthritis, and several other PRR in a murine model of inflammatory arthritis.