These simple probabilistic models have proven to be very powerful

These simple probabilistic models have proven to be very powerful for solving classification problems in a variety of domains, but are not yet widely applied within the veterinary domain. In this paper, naive Bayesian classifiers and methods for their construction are reviewed. We

demonstrate how to construct full and selective Selleckchem GSK690693 classifiers from a data set and how to build such classifiers from information in the literature. As a case study, naive Bayesian classifiers to discriminate between classical swine fever (CSF)-infected and non-infected pig herds were constructed from data collected during the 1997/1998 CSF epidemic in the Netherlands. The resulting classifiers were studied in terms of their accuracy and compared with the optimally efficient diagnostic rule that was reported earlier by Elbers et al. (2002). The classifiers were found to have accuracies within the range of 67-70% and performed comparable to or even better than the diagnostic rule on the available data. In contrast with the diagnostic rule, the classifiers had the advantage of taking both the presence and the absence of particular clinical signs into account, which resulted in more discriminative power. These

results indicate that naive Bayesian classifiers are promising tools for solving diagnostic problems in the veterinary field. (C) 2010 Elsevier Ltd. All rights reserved.”
“Background selleck chemical and aims: Patients with inflammatory bowel disease (IBD) are at increased risk of venous thromboembolism

(VTE), but data on frequency, site of thrombosis and risk factors are limited. We sought to determine prevalence, incidence as well as location and clinical features of first VTE Selleck GSK923295 among IBD patients.

Methods: We evaluated a cohort of 2811 IBD patients for a history of symptomatic, objectively confirmed first VTE, recruited from 14 referral centers. Patients with VTE before IBD diagnosis or cancer were excluded. Incidence rates were calculated based on person-years from IBD diagnosis to first VTE or end of follow-up, respectively.

Results: 2784 patients (total observation time 24,778 person-years) were analyzed. Overall, of 157 IBD patients with a history of VTE, 142 (90.4%) had deep vein thrombosis (DVT) and/or pulmonary embolism (PE), whereas 15 (9.6%) had cerebral, portal, mesenteric, splenic or internal jugular vein thrombosis. The prevalence and incidence rate of all VTE was 5.6% and 6.3 per 1000 person years, respectively. Patients with VTE were older at IBD diagnosis than those without VTE (34.4+/-14.8 years vs 32.1+/-14.4 years, p = 0.045), but did not differ regarding sex, underlying IBD and disease duration. 121 (77.1%) VTE were unprovoked, 122 (77.7%) occurred in outpatients and 78 (60.9%) in patients with active disease. Medication at first VTE included corticosteroids (42.3%), thiopurines (21.2%), and infliximab (0.7%).

Conclusion: VTE is frequent in IBD patients. Most of them are unprovoked and occur in outpatients.

Caregivers with health insurance coverage also use care from publ

Caregivers with health insurance coverage also use care from public providers compared to over-the-counter or private

providers. Caregivers with higher incomes use public and private providers over self-medication while higher treatment charges buy MK-0518 and longer times at public facilities encourage caregivers to resort to private providers. Besides, caregivers of female under-fives use self-care while caregivers of male under-fives use public providers instead of self-care, implying gender disparity in the choice of treatment.

Conclusions: The results of this study imply that efforts at curbing under-five mortality due to malaria and pneumonia need to take into account care-seeking behaviour of caregivers of under-fives as well as implementation of strategies.”
“A series of chitosan-graft-polyacrylamide copolymers have been prepared as flocculants for waste water treatment. The results indicated that the grafting ratio was one of the key factors for the flocculating effects. The copolymers with various grafting ratios showed different flocculating properties. To observe NOV120101 every detail of this effect, the specific refractive index

increment measurement (SWIM) method was used to determine the grafting ratio at the beginning of this study. Interestingly, it was found that as the grafting ratio increased, the flocculating effect increased until it reached its maximum point. At that point, it decreased. This result was discussed in terms of the cooperative effects of the charge neutralization

and bridging flocculating mechanisms. A structure model of chitosan-g-polyacrylamide copolymer flocculants has been proposed. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 1876-1882, 2010″
“Background

Glycolic acid (GA) peels are frequently performed as adjuvants to the treatment of facial acne. There have been few clinical trials reported of GA peels for acne in people with darker skin.

Objectives

To determine the safety and efficacy of GA peels in the treatment of moderate acne vulgaris in Asian skin.

Methods

In this prospective, randomized, double-blind, placebo-controlled, split-face clinical trial, 26 patients with moderate acne were treated with 40% GA (pH 2.0) on half of the face GW4869 chemical structure and placebo on the other half. The procedure was performed five times at 2-week intervals.

Results

The GA sides had statistically significant reductions in acne lesions at each time point from baseline values. There were statistically significant differences between the GA and placebo sides. The GA sides had better responses for noninflammatory lesions than for inflammatory lesions. In bioengineering measurements, sebum levels were statistically significantly reduced after the initiation of therapy on both sides at weeks 8 and 10, but there were no statistically significant differences between the two sides.

Conclusion

Forty percent GA peels significantly improved moderate acne in this study.

These results indicate that PropaFresh (TM) PFAM packaging at 5 d

These results indicate that PropaFresh (TM) PFAM packaging at 5 degrees C could be used to maintain postharvest quality in both commercially-treated and non-adulterated litchi fruit. (C) 2010 Elsevier Ltd. All rights reserved.”
“Background. Pruritus is a common and bothersome problem in 30-50% of hemodialysis patients. The aim

of this study was to determine the effect of gabapentin, 100 mg/three times a week (after each hemodialysis session), on uremic pruritus. Selleckchem GNS-1480 Study design. Patients older than 18 years who had undergone hemodialysis for more than three months were enrolled in this double-blind clinical trial. They had experienced pruritus refractory to antihistamines for at least two weeks. The patients were assigned to receive gabapentin 100 mg following hemodialysis for a period of four weeks, and after a washout week, they received the placebo for another four

weeks. They were asked to evaluate the severity of their pruritus using a visual analogue scale (VAS). The reduction of pruritus 50% was accepted as the response. Results. The mean pruritus score reached 6.44 8.4 (p 0.0001), 15 11.2 (p 0.001), and 81.11 11.07 (p 0.001) during gabapentin, washout, and placebo periods, respectively. No significant correlation was found between age, sex, duration of dialysis, underlying diseases, and systolic and diastolic blood pressures and the gabapentin effect. Conclusion. Gabapentin is an effective agent in treating uremic pruritus.”
“Background: A-1210477 Few studies have investigated the long-term effect www.selleckchem.com/products/AZD1152-HQPA.html of overall nutritional recommendations on cognition.

Objective: In a French cohort of middle-aged adults, we evaluated the association between the French National Nutrition and Health Program (Program National Nutrition Sante) Guideline Score (PNNS-GS) assessed at baseline and cognitive performance evaluated 13 y later.

Design: The PNNS-GS was estimated at baseline (1994-1996) (maximum score: 15 points) in 2135 subjects in the SU.VI.MAX (Supplementation with

Antioxidant Vitamins and Minerals) study. We assessed cognitive performance of subjects in 2007-2009 via a battery of 4 neuropsychologic tests that included phonemic and semantic fluency, the RI-48 (rappel indice-48 item) cued-recall test, the trail-making test, and forward and backward digit spans. A principal components analysis was performed to account for correlations in test scores. Multivariate linear regression models or analyses of covariance were also performed.

Results: In a multivariate model, we observed a positive association between the PNNS-GS and the cued-recall test and semantic and phonemic fluency tasks, whereas no association was observed with digit spans. The principal components analysis revealed 2 factors interpreted as reflecting verbal memory and executive functioning. Better adherence to nutritional recommendations was significantly associated with the verbal memory factor (beta = 0.

Men without lamina dura with radiolucency showed significantly mo

Men without lamina dura with radiolucency showed significantly more tooth loss than those with a lamina dura without radiolucency (P < 0.00001) and those without a lamina dura without radiolucency (P. 0.0001), indicating the influence of poor oral health. Thus, the phenomenon without a lamina dura without radiolucency may show the clinical importance of bone formation in the elderly.”
“Objective-To evaluate effects of vaccination with a killed whole-cell vaccine against Mycobacterium avium subsp paratuberculosis (MAP) on fecal shedding of the organism, development of clinical paratuberculosis (Johne’s disease [JD]), milk production, measures of reproduction, and within-herd longevity of dairy cattle naturally

exposed to MAR

Design-Controlled clinical trial.

Animals-200 vaccinated and 195 unvaccinated AZD7762 (control) dairy cows from 3 herds in Wisconsin.

Procedures Every other heifer calf born in each herd received the MAP vaccine; 162 vaccinates and 145 controls that had >= 1 lactation were included in analyses. Bacteriologic culture of fecal samples for MAP was performed annually for 7 years; results were confirmed via histologic methods and PCR assay. Production records and culture results were evaluated to determine effects of vaccination

on variables of interest in study cows. Annual whole-herd prevalence of MAP shedding in feces was also determined.

Results-Vaccinates had a significantly lower hazard of testing positive for MAP via culture of fecal samples than did controls over time (hazard ratio, 0.57; 95% confidence interval, 0.34 to 0.97). Fewer vaccinates developed clinical JD than did controls (n = 6 and see more 12, respectively), but these differences were nonsignificant. Overall within-herd longevity, total milk production, and calving-to-conception intervals were similar PD-1/PD-L1 Inhibitor 3 inhibitor between vaccinates

and controls. In all herds, prevalence of MAP shedding in feces decreased over time.

Conclusions and Clinical Relevance-Vaccination with a killed whole-cell MAP vaccine appeared to be an effective tool as part of a program to control the spread of JD in dairy cattle. (J Am Vet Med Assoc 2013;242:663-669)”
“Purpose: To study track structure effects in cells irradiated by heavy ions, we have performed a model analysis of an extensive recently published data set of over 40 survival curves of normal human skin fibroblast cells irradiated in vitro by energetic carbon, neon, silicon and iron ions measured in track-segment conditions.

Materials and methods: Having derived the required track-segment descriptions of the ion bombardments from the published data, we fitted four parameters of the cellular track structure theory (Katz model) to the whole data set.

Results: Using track structure calculations with the best-fitted parameters, we demonstrate a systematic interpretation of this data set, highlighting effects specific to track structure.

5ng/ml) on

5ng/ml) on Selleckchem FK228 Day 120 of pregnancy (by a factor of 0.24), compared to the remaining cows. In conclusion, there is a relationship between plasma PAG-2 concentrations and the risk of abortion in Neospora-infected dairy cows. Thus, plasma PAG concentrations measured using anti-boPAG-2 antiserum on Day 120 of gestation could serve as an indicator of the abortion risk in N.caninum infected animals;

values <4.5ng/ml indicating a high risk of abortion in chronically infected animals.”
“Purpose of review

This article reviews recent literature on regulatory issues of xenotransplantation, focusing primarily on current progress with transplantation of pancreatic islets for diabetic patients. The need for a global system that connects the national and international regulatory levels within a coherent framework is emphasized.

Recent findings

Recent progress in preclinical xenotransplantation of pancreatic islets has enhanced the hopes of providing patients with safe and

effective treatments from animal cells and tissues in the near future. At the same time the increasing number of clinical trials proposed Baf-A1 supplier and sometimes authorized calls for attention from regulatory authorities.

Summary

Although the main regulatory aspects of xenotransplantation have been identified since the early 1990s, regulatory problems connected to the promising scientific data published in the field of pancreatic islets still require attention. In fact most normative issues, such as criteria for patients’ enrollment in clinical trials and the management GDC-0068 cost of safety measures have been primarily explored in relation to solid organ transplantation. Also the issue of animal rights has become more compelling in relation to the treatment of nonhuman primates in preclinical trials. In these rapidly evolving conditions the establishment of agreed guidelines at both the national and international levels remains the most urgent goal to be achieved.”
“OBJECTIVE: To examine predictors of health care providers perceiving intrauterine devices (IUDs) as unsafe for nulliparous women and of infrequent

provision of IUDs to nulliparous women.

METHODS: We analyzed questionnaire data obtained during December 2009 to March 2010 from 635 office-based providers (physicians) and 1,323 Title X clinic providers (physicians, physician assistants, certified nurse midwives, nurse practitioners, and nurses). Using multi-variable logistic regression, we estimated adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of the associations between patient, health care provider, and clinic and practice variables and provider misconceptions about the safety of IUDs for nulliparous women and with infrequent IUD provision.

RESULTS: Approximately 30% of respondents had misconceptions about the safety of IUDs for nulliparous women.

No patient suffered from weakness of the marginal mandibular
<

No patient suffered from weakness of the marginal mandibular

branch of the facial nerve. The follow-up averaged 14.1 months (range, 6-24 months); no tumors recurred. The incision scars were invisible.

Conclusion: Submandibular gland resection using a combined retroauricular and transoral approach is a feasible method for CCI-779 inhibitor benign submandibular gland lesions that provides an acceptable cosmetic outcome. (C) 2009 American Association of Oral and Maxillofacial Surgeons”
“We have analyzed the structural and magnetic properties of as-grown and annealed [TbFe(2)/Fe(3)Ga](n) heterostructures grown by sputtering. Evidence of the bcc structure in the Fe(3)Ga layers has been found. The diffraction peak related to this structure shifts to high angles with the annealing temperature. Also, we have observed a change in the microstructure of the Tb-Fe layers when the thickness

layer is reduced in the as-grown heterostructures. Moreover, the Tb content is lower than 33% of the TbFe(2) Laves phase and it depends on the layer thickness. The thermal treatments promote the increase of the Tb content, but only in the heterostructures with thick layers. The strong lattice mismatch between the Tb-Fe and Fe-Ga layers seems to prevent a complete Tb diffusion upon the annealing process. Thus, the crystallization of the TbFe(2) Laves phase is inhibited in the heterostructures with thin layers, although our experimental results indicate the presence of potential magnetostrictive TbFeGa alloys. (C) 2011 American Institute of Physics. [doi:10.1063/1.3626070]“
“The presence and role SN-38 mouse of melatonin in plants are still under debate owing to difficulties of identification

and quantification. Accordingly, although it has been frequently proposed that melatonin acts as an antioxidant in phototrophic organisms, experimental data on its physiological role are scarce. This study describes the use of a rapid and simple new method for quantification of melatonin in the marine macroalga Ulva sp., organisms routinely exposed to tide-related environmental stresses and known for their high tolerance to abiotic conditions. The method was used here to show that exposure to oxidative stress-inducing environmental conditions (elevated temperature CYT387 JAK/STAT inhibitor and heavy metals) induced a rise in melatonin level in the algae. Addition of exogenous melatonin alleviated the algae from cadmium-induced stress. Interestingly, although the algae were taken from a culture growing free floating and kept under constant photoperiod and water level, they exhibited a semi-lunar rhythm of melatonin levels that correlated with predicted spring tides. The correlation can probably be interpreted as reflecting preparation for predicted low tides, when the algae are exposed to increasing temperature, desiccation, and salinity, all known to induce oxidative stress.

YMnO3 orders in a P6′(3)cm’ phase, whereas ErMnO3 orders in a P6′

YMnO3 orders in a P6′(3)cm’ phase, whereas ErMnO3 orders in a P6′(3)c’m phase. Er1-xYxMnO3 transitions completely from the P6′(3)cm’ to the P6′(3)c’m phase over a very narrow composition range on the Y-rich side of the phase diagram, and the phase boundary exhibits GSK2399872A solubility dmso reentrant behavior. Inelastic neutron scattering measurements were performed on these samples, quasielastic scattering similar to that found in YMnO3 was observed. In the P6′(3)cm’ phase, this quasielastic scattering is centered at Bragg positions which correspond to the P6′(3)c’m and vice versa. These results may provide important information

about the competition between these two magnetic phases. (C) 2011 American Institute of Physics. [doi:10.1063/1.3554263]“
“Hepatitis C virus (HCV) is known to adversely affect general, social, emotional and mental health domains. This study was designed to identify variables that may be associated with these measurable outcomes. We conducted a cross-sectional retrospective review of

demographic and clinical data from 800 patients with HCV evaluated between January 1998 and November 2007. Data were collected using a standardized questionnaire filled out by the patients at the first encounter. Variables evaluated included fibrosis stages (i.e. FS0/1/2 vs FS3/4), demographics, comorbid health conditions, tobacco and alcohol use, high-risk social behaviours and laboratory data. find more Variables assessed were depression, fatigue, problems sleeping and loss of interest in sex. Statistical analysis was performed using univariate and multivariate logistic regression. Depression (29.3%) in our HCV study population

was associated with female gender, tobacco use, hyperlipidemia, history of heavy alcohol use and intravenous drug use. Fatigue (44.6%) was associated with end-stage renal disease, past and current tobacco use and current alcohol use. Difficulty sleeping (13.8%) was associated with past and current tobacco use, current alcohol use and diabetes. Loss of interest in sex (7.7%) was associated with current tobacco use, multiple risk factors for HCV and age at time of evaluation. Fibrosis stage (FS) also had a significant positive association with alcohol use (OR 2.61; P = 0.003) and tobacco use (OR 2.00; P = 0.002). Smoking and alcohol use have a significant negative Pexidartinib purchase impact on the presence of depression, fatigue, difficulty sleeping and loss of interest in sex in HCV patients. Practitioners should be aware of these associations, particularly tobacco use, which significantly and negatively impacted every variable evaluated.”
“Viral agents seem to be linked to multiple sclerosis (MS). This association is based on evidence of (1) early exposure to viruses and MS onset; (2) increased prevalence of MS disease in specific geographic regions; (3) likelihood of developing MS being more prevalent in high-risk areas; (4) altered immune responses to different viruses.

Only

3 of all patients developed complications

Only

3 of all patients developed complications.

Conclusions: infection patients were basically find more young adults; no predisposition concerning gender or race was detected. The therapeutic protocol adopted presented very positive results, with a small number of complications. (C) 2009 American Association of Oral and Maxillofacial Surgeons J Oral Maxillofac Surg 67:1092-1097, 2009″
“To investigate the timing and risk factors of maternal complications of cesarean section (CS).

Review of the files of all women who underwent CS at a tertiary medical center between September 2007 and December 2008 yielded 100 patients with postpartum complications. Their clinical and surgery-related characteristics were compared with 100 women with uncomplicated CS operated in January 2009. Complications were analyzed by prevalence and time of occurrence.

The only between-group difference in background factors was a higher rate of obesity (BMI

> 30) in the controls. The complication rate was 5.7%. The most common complication was endomyometritis (3.6%), followed by wound infection (1.8%) and wound hematoma (1.2%). In most cases, endomyometritis was diagnosed on postoperative days 2-3 and wound complications on days 2-5; 7 of the 9 readmissions occurred on postoperative days 5-6. On multivariate analysis, significant independent predictors of postoperative complications were surgeon experience (OR = 2.4, 95% CI 1.2-4.8) and PP2 Angiogenesis inhibitor intra-partum CS (OR = 2.1, 95% CI 1.1-4.3).

Cesarean section performed by a resident or during active labor is associated with an increased risk of postpartum complications. Medical teams should be alert to morbidity in women at risk, particularly during the first 4 days after CS.”
“Organo bifunctional silane (TESPD) is added PD-1/PD-L1 assay into silica containing NBR/PVC blend and its effects are investigated with respect to the vulcanization property, the processability, and the physical property. The addition

of the TESPD into silica filled NBR/PVC compound increases the degree of crosslinking by formation of a strong three-dimensional network structure between silica surface and rubber matrix via coupling reaction, which results in improved mechanical properties. It also improves the processability of the compound compared to the Control compound. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012″
“The main objective of the present work is the development of an analytically tractable model of screened electron-electron and electron-exciton interactions in layered systems composed of two parallel semiconductor quantum wells separated by a dielectric layer. These systems are promising for superconductivity with excitons-polaritons, and spin manipulation. Polarization effects induced by the dielectric mismatch in the nanostructure are taken into account using the image charge method.

However, the inclusion of photoperiod sensitivity above the optim

However, the inclusion of photoperiod sensitivity above the optimum temperature resulted in a higher apparent optimum temperature and less variability in the time

of tassel initiation. Given the importance of changes in plant development for crop yield under climate change, the effects of photoperiod and temperature on development rates above the optimum temperature clearly merit further research, and some of the knowledge gaps are identified herein.”
“The crystal structure of the lead-free piezoelectric ceramic (Bi1/2Na1/2TiO3)(0.94)-(BaTiO3)(0.06) LY294002 chemical structure was investigated by first-principles calculations and high-resolution transmission electron microscopy (HRTEM) imaging. Structures with different

A-site occupation were relaxed by total energy calculations within density functional theory and then used for simulating the corresponding HRTEM images. Simulated and experimental HRTEM images were compared and the closest selleck chemical match selected for structure interpretation. By combining these techniques, we have identified the Bi(Ba)/Na distribution on the A-site to be homogeneous. We exclude the possibility that regions visible in HRTEM images within one grain can be attributed to different ordering but to a slight tilting of the structure with respect to the electron beam. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3437631]“
“The present article Dactolisib concentration deals with super-swelling behavior of crosslinked homopolymer of 2-acrylamido-2-methylpropane sulfonic acid, poly(AMPS), in binary mixtures of dimethyl sulfoxide (DMSO) and various polar solvents including water, mono-, and polyhydric alcohols, and

amide solvents such as N-methyl pyrrolidone. Extraordinary phase transition sequences including a new unusual swelling phenomenon, referred to as “”overentrant”" swelling, was observed for this polymeric organogel in the solvent/DMSO mixtures. The swelling behaviors were preliminarily explained based on the major interactions involved in the solvation process and dielectric constant of the swelling media. It was established that the “”overentrant”" region of the swelling profiles was progressed with the increase of dielectric constant of the mixed solvent media. The overentrant region was disappeared with partial replacement of AMPS units with acrylic acid. This was taken as an additional practical evidence for a major role of the sulfonic acid as the main interactive group involved in the solvation process.

Plasma concentrations of(R)-methadone and (S)-methadone enantiome

Plasma concentrations of(R)-methadone and (S)-methadone enantiomers GSK923295 price were determined in 69 Subjects.

Results: Ten patients (9.2%) presented a QTc above 440 ms but a QTc above 500 ins was observed in only 2 Patients

with QTc above 440 ms compared with the remaining subjects were older (median [25th-75th percentile range]: 49 [39-56] years vs. 37 [33-43]; Wilcoxon’s W = 217.5, p = 0.002) and took a higher daily dose of methadone (median [25th-75th percentile range]: 120 [66-228] mg/day vs. 60 [40-110] mg/day: W = 298.5, p = 0.037). Methadone dose correlated with QTc interval (Pearson’s r(2) = 0.291, p = 0.002). Patients with and without long QTc showed no differences in plasma concentrations of (R)-methadone and (S)-methadone enantiomers.

Conclusions: The prevalence of LQTc was 9.2%. An association between LQTc and methadone doses was observed but the relationship with plasma concentrations of methadone enantiomers; is unclear. (C) 2008 Elsevier Ireland Ltd. All rights reserved.”
“BACKGROUND

Botulinum toxin A is considered to be an extremely fragile molecule, with recommended usage of some reconstituted botulinum toxin A formulations within 4 hours of reconstitution. JQ1 in vivo Extreme

caution is recommended to avoid agitation of the vial.

OBJECTIVE

To determine whether the effect of reconstituted botulinum toxin A is maintained even when it is agitated vigorously.

DESIGN

Experimental, comparative, animal study.

PARTICIPANTS

Sixty-four white Swiss Webster mice, aged 2 to 4 weeks, arranged in eight separate groups.

INTERVENTION

Reconstituted onabotulinumtoxinA

(2.5 U/0.1 mL) was placed securely in a battery-operated mechanized apparatus. The apparatus with the vial was placed in the refrigerator, and the apparatus continuously inverted and straightened the onabotulinumtoxinA vial 30 times a IWR-1-endo mw minute. Eight mice were each injected intraperitoneally with 1 U of the agitated onabotulinumtoxinA on days 1, 3, 5, 7, 14, 21, 28, and 42, to evaluate the efficacy of the continuously agitated onabotulinumtoxinA.

MAIN OUTCOME MEASURE

Death of the mice, demonstrating efficacy of the onabotulinumtoxinA molecule.

RESULTS

Half of each group of mice (4/8 mice) died within 48 hours of the injection (range 16-48 hours).

CONCLUSION

The effect of botulinum toxin type A is maintained even when it is agitated vigorously for up to 6 weeks.

The authors have indicated no significant interest with commercial supporters.”
“Background: Chronic asthma is characterized by airway inflammation and remodeling. Objective: This study aimed to evaluate the effects of zileuton on bronchial hyperresponsiveness, airway inflammation and airway smooth muscle (ASM) remodeling. Methods: Two experimental groups of brown Norway rats sensitized and repeatedly challenged with aerosolized ovalbumin (OA) were given oral zileuton (OA-zileuton group) and oral saline only (OA-saline group).