While therapies targeting the tyrosine kinase activity of EGFR (EGFR-TKIs, such as gefitinib) are highly effective for the treatment of EGFR mutated NSCLC, limited response rates are observed in EGFR wild-type NSCLC. Here the authors found that the PI3K/AKT pathway contributes to gefitinib resistance in mutant KRAS adenocarcinoma by a deacetylase-dependent mechanism. They showed for the first time that the PI3K/AKT pathway induces

survival of wild-type EGFR NSCLCs with KRAS mutations, suggesting a new therapeutic target for treating this subset of lung cancer patients.”
“Objective: Assessing femoral neck shortening (FNS) and varus collapse after internal DMXAA concentration fixation of femoral neck fractures using computerized navigation (CN).\n\nDesign: Retrospective cohort study.\n\nSettings: Academic Level I trauma center.\n\nPatients Alisertib research buy and Methods: Forty-one patients who had healed femoral neck fractures treated with CN between the years 2003 and 2008. Average age was 65 years (range, 14-91 years). Thirty-six patients had nondisplaced fractures and five had displaced fractures.\n\nIntervention: Screws were placed using CN

in an inverted triangle formation Follow-up films were digitized into a PACS system, calibrated, and analyzed using CAD software.\n\nOutcome Measures: The following parameters were recorded: abductor lever arm shortening (termed x), corresponding vertical femur shortening (termed y), and the resultant femoral neck shortening vector (z). Fifteen patients were available for clinical outcome measures by the means of SF-12 survey\n\nResults: Significant FNS of the x component (greater than 5 mm) occurred in 30 of 42 (71%) patients with severe shortening (greater than 10 mm) in 25% of the patients. Significant y shortening occurred in 43% of the patients and severe shortening

in 17%. Overall (z) femoral neck shortening occurred in 56% of the patients with severe shortening in 22% of patients. Varus collapse (greater than 5 degrees) https://www.selleckchem.com/products/a-1331852.html did not occur in any patient. Screw pullout (greater than 5 mm) occurred in 17 (41%) patients. Seven patients required late (greater than 6 months) arthroplasty postoperatively. FNS did not significantly correlate with fracture type, quality of reduction, age, or neck shaft angle. SF-12 results were negatively correlated with overall FNS.\n\nConclusions: Our results show a high degree of FNS associated with the use of CN for fixation of femoral neck fractures, similar to recently published series using nonnavigated implants. However, no varus collapse occurred in our series. Our preliminary clinical data show a trend toward an adverse effect of FNS on quality-of-life measures.”
“Purpose: Pilot study to evaluate a new ultra-sound (US) technique for differentiating parotid cystadenolymphoma (CL) from pleomorphic adenoma (PA).\n\nMaterials and Methods: 27 patients presenting with a palpable lesion of the parotid gland were examined by B-mode US.

Pain and functional ability scores improved after surgery compared with before surgery. The combination of accelerometry and GEDEM may be a useful orthopaedic tool for the post-operative evaluation of patients who have undergone ACL reconstruction.”
“Since reactive oxygen species (ROS) play a key role in carcinogenesis, SRT2104 molecular weight many studies have focused on the chemopreventive activities of naturally occurring antioxidants. However, the possibility that different antioxidants in food exert opposing effects

on carcinogenesis has not been adequately investigated. Gap-junction intercellular communication (GJIC), which is strongly related to carcinogenesis (particularly the tumor promotion stage), may be a suitable model for investigating the tumor-promoting and antitumor-promoting effects of phytochemicals. The present Study investigated the possible combined effects of resveratrol and gallic acid (GA), which are major

antioxidants in red wine, on GJIC in WB-F344 rat liver epithelial (RLE) cells. GA at 100 IN, but not resveratrol, inhibited GJIC and generated hydrogen peroxide. The GA-induced inhibition of GJIC was recovered by resveratrol, but only partially recovered by catalase. Resveratrol did not attenuate GA-induced generation of hydrogen peroxide, but it did block GA-induced phosphorylation of connexin 43 (Cx43), a key modulator of GJIC. Furthermore, resveratrol down-regulated GA-induced phosphorylation of extracellular learn more signal-regulated kinase (ERK)1/2, one of the critical regulators of Cx43. However, catalase partially blocked the GA-induced phosphorylation of Cx43 and ERK 1/2. Collectively,

these findings suggest that the combined effects of red wine phenolic phytochemicals on GJIC and antioxidants differ in ROS-mediated carcinogenesis depending on their dosages and structures. (C) 2009 Elsevier Inc. All rights reserved.”
“As the target CD52 molecule is expressed on erythrocytes of most nonhuman primate strains, using alemtuzumab in these species would FK228 in vitro cause massive hemolysis. Six cynomolgus monkeys of Indonesian origin, screened by agglutination assay for absence of CD52 on erythrocytes, were administered alemtuzumab in a cumulative dose to a maximum of 60 mg/kg. In two monkeys, mycophenolate mofetil (MMF) was added as maintenance therapy. Complete depletion of T and B lymphocytes (> 99.5%) was achieved with 20 mg/kg alemtuzumab and was more profound than in monkeys treated with antithymocyte globulin (n = 5), as quantified by flow cytometry. Repopulation was suppressed by weekly injections of 10 mg/kg. Without MMF, repopulation of CD20+B cells and CD8+T cells was complete within 2 and 3 months, respectively, and repopulation of CD4+T cells was 67% after 1 year. MMF significantly delayed CD4+T-cell repopulation.

(C) 2013 AIP Publishing LLC.”
“The enemy release hypothesis is often invoked to explain the invasion success of species occurring outside their native range. The natural or artificial

introduction of natural enemies into populations of invasive species can therefore be an effective control method. The ladybird Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) is native to Asia, but in recent decades has been introduced into Europe and North America, where it has rapidly spread and had a detrimental impact on native species. A promising candidate for the biological control of this species is the sexually transmitted mite Coccipolipus hippodamiae (McDaniel & Morrill) (Acarina: https://www.selleckchem.com/products/gsk1838705a.html Podapolipidae). This mite occurs naturally in some European coccinellid populations, where it can reach a high prevalence and induce host sterility. We report that colonies consisting of reproducing adult mites and their eggs can be established on H. axyridis both through GDC-0941 nmr artificial transfer from, and sexual contact with, infected individuals of another species. These infected H. axyridis can then infect further conspecifics during

copulation and infected females become sterile. Additionally, we report natural C. hippodamiae infections in recently established populations of H. axyridis in Poland. However, the prevalence of the mites in the field is currently low, and further work is required to determine whether the mites will reach the high prevalence required to effectively control H. axyridis populations. Overall, HM781-36B our results demonstrate that C. hippodamiae has the potential to reduce the population size of H. axyridis

following either natural or artificial transfer from other species. (C) 2009 Elsevier Inc. All rights reserved.”
“Objectives. Osteosarcoma is one of the most common malignant cancers afflicting young adults. Ultrasound is a new therapeutic modality for controlling malignant cancers. Enhancing the efficacy of ultrasound treatment will improve clinical outcomes. The aim of this study was to investigate the killing action of ultrasound on osteosarcoma enhanced by hematoporphyrin monomethyl ether (HMME) in vivo. Methods. An animal model of an osteosarcoma xenograft was set up to investigate the inhibitory effect of sonoactivating HMME on osteosarcoma. High-performance liquid chromatography was used to analyze the time course of HMME in the osteosarcoma xenograft. Three hours after intravenous (IV) administration of HMME, ultrasound radiation was administered in the osteosarcoma xenograft.

The phenol-sulfuric acid method PXD101 mw was used to quantify polysaccharides, and the monosaccharide composition of the polysaccharides was determined by gas chromatography. Stepwise discriminant analysis was used to differentiate among the five closely related species based on the chemical composition analysis. This proved to be a simple and accurate approach for discriminating among these species. The results also showed that the polysaccharide content, the amounts of the four low molecular weight compounds, and the mannose to glucose ratio,

were important factors for species discriminant. Therefore, we propose that a chemical analysis based on quantification of naringenin, bibenzyl, and polysaccharides is effective for identifying D. officinale.”
“Objective. The authors performed phase I/II clinical trial to evaluate the toxicity and efficacy of carbon ion radiotherapy (C-ion RT) for locally advanced squamous cell carcinoma of the uterine cervix.\n\nMethods. Between April 2000 and January 2006, 22 patients for Protocol 9902 were treated with C-ion RT.

The number of patients with stage IIB, learn more IIIB, and IVA diseases was 1, 18, and 3, respectively. All patients had bulky tumors measuring 4.0-12.0 cm (median 6.2 cm). The whole pelvic dose was fixed at 39.0 GyE for 13 fractions, and additional 15.0 GyE for 5 fractions was given to the gross tumor volume (GTV) and surrounding tissues.

With regard to local boost, a dose-escalation study was planned for 2 fractions to GTV. Total Alvocidib mouse dose to the cervical tumor was 64.0-72.0 GyE for 20 fractions.\n\nResults. All patients completed the scheduled therapy and no patient developed Grade 2 or higher acute toxicity. There was no Grade 3 or higher late complications at each dose. The 5-year overall survival rate and local control rate were 50.0% and 68.2%, respectively. Seven out of the 16 patients who received 64.0-68.0 GyE developed local recurrences, but all patients who received 72.0 GyE maintained local control.\n\nConclusions. There were no severe acute or late complications in this trial. C-ion RT has the potential to improve the treatment for locally advanced bulky cervical cancer by applying a total dose of 72.0 GyE, with the results lending incentive to further investigations to confirm the therapeutic efficacy. (C) 2013 Elsevier Inc. All rights reserved.”
“We studied the dose-dependent cardiotoxic effect of propranolol. Intraperitoneal injection of propranolol in doses of 1 and 2 mg/100 g body weight produced a potent effect on central hemodynamics and myocardial contractility, impaired diastolic relaxation, and caused damage to cardiomyocyte membranes due to activation of free radical oxidation.

In total, we assessed 378 scenarios. We found that random centre effects performed as well or better than fixed-effects models in all scenarios. Random centre effects models led to increases in power and precision when the number of patients per centre was small (e.g. 10 patients or less) and, in some scenarios, when there was an imbalance between treatments within centres, either due to the randomisation

method or to the distribution of patients across centres. With small samples sizes, random-effects models maintained nominal coverage rates when a degree-of-freedom (DF) correction was used. We assessed the robustness of random-effects models when assumptions regarding the distribution of the centre effects were incorrect and found this had no impact on results. We conclude that random-effects models offer many advantages over fixed-effects AZD6094 models in certain situations and should be used more often in practice. Copyright (c) 2012 John

Wiley & Sons, Ltd.”
“Herein, we report a 37-year-old man presenting with nephrocalcinosis associated with primary aldosteronism. Primary hyperaldosteronism is reported to facilitate urinary calcium excretion; however, renal calculi or calcinosis in this disorder has been rarely NF-��B inhibitor reported. The patient had renal dysfunction and calcification in the renal medulla on both kidneys. A kidney biopsy was performed. His renal dysfunction seemed to be mainly caused by hypertension and tubulointerstitial damage. Furthermore, von Kossa-positive stones were seen in some tubules. X-ray element analysis revealed that the stones were

PXD101 order composed of calcium phosphate.”
“IR spectroscopy in cryogenic argon matrix of methyl 4-chloro-5-phenyl-1,3-oxazole-2-carboxylate and methyl 4-chloro-5-phenylisoxazole-3-carboxylate was applied for the structural assignment of these isomeric heterocycles. It was demonstrated that methyl 2-benzoyl-2-halo-2H-azirine-3-carboxylates undergo thermal ring expansion to give 4-halo-5-phenyl-1,3-oxazole-2-carboxylates and not the isomeric isoxazoles. (c) 2008 Elsevier B.V. All rights reserved.”
“Two simple fluorescent anion receptors based on 1-phenyl-3-methylpyrozole-5-one-4-one phenylhydrazone (L1) and 1-phenyl-3-methylpyrozole-5-one-4-one p-nitrophenylhydrazone (L2) were designed, synthesized and characterized with (1)H NMR, COSY spectrum, (13)C NMR, ESI-mass and elemental analyse. Interestingly, two receptors with similar configuration exhibited different anion binding behaviors in DMSO solution. The results of Job plots and ESI-mass spectrum indicate that L1 bind anions such as F(-), AcO(-), H(2)PO (4) (-) to form 2:1 host-guest complexation, while L2 bind anions to form 1:1 host-guest complexation in the solution.”
“There is considerable interest in understanding how ectothermic animals may physiologically and behaviourally buffer the effects of climate warming.

We report that Utf1, a target of Oct4 and Sox2, is a bivalent chromatin component that buffers poised states of bivalent genes. By limiting PRC2 loading and histone

3 lysine-27 trimethylation, Utf1 sets proper activation thresholds for bivalent genes. It also promotes nuclear tagging of messenger RNAs (mRNAs) transcribed from insufficiently silenced bivalent genes for cytoplasmic degradation through mRNA decapping. These opposing functions of Utf1 promote coordinated differentiation. Selleck WH-4-023 The mRNA degradation function also ensures rapid cell proliferation by blocking the Myc-Arf feedback control. Thus, Utf1 couples the core pluripotency factors with Myc and PRC2 networks to promote the pluripotency and proliferation of ESCs.”
“Role of the calcium-binding residues Asp231, Asp233, and Asp438 of Bacillus amyloliquefaciens alpha-amylase (BAA) on the enzyme properties was investigated by site-directed mutagenesis. The calcium-binding residues Asp231, Asp233, and Asp438 were replaced with Asn, Asn, and Gly to produce the mutants D231N, D233N, and D438G, respectively. The mutant amylases HSP990 cost were

purified to homogeneity and the purified enzymes was estimated to be approximately 58 kDa. The specific activity for the mutant enzyme D233N was decreased by 84.8%, while D231N and D438G showed a decrease of 6.3% and 3.5% to that of the wild-type enzyme, respectively. No significant changes in the K (m) value, thermo-stability, optimum temperature, and optimum

pH were observed in the mutations of D231N and D438G, while substitution of Asp233 with Asn resulted in a dramatic reduction in the value of catalytic efficiency (K (cat)/K (m)) and thermo-stability at 60A degrees C. The ranges of optimum temperature and optimum pH for D233N were also reduced to about 10A degrees C and 3-4 units, respectively.”
“The RGS1 gene is associated with celiac disease, multiple sclerosis, and type I diabetes, which are all T cell-mediated pathologies, yet there is no reported analysis of regulator of G protein signaling (RGS)1 biology in human T cells. this website This study shows that RGS1 expression is substantially higher in T cells from human gut versus peripheral blood and that this can be exaggerated in intestinal inflammation. Elevated RGS1 levels profoundly reduce T cell migration to lymphoid-homing chemokines, whereas RGS1 depletion selectively enhances such chemotaxis in gut T cells and impairs their colitogenic potential. These findings provide a revised framework in which to view the linkage of RGS1 to inflammatory disease. The Journal of Immunology, 2011, 187: 2067-2071.”
“Context: It is unclear whether variation in insulin resistance mediates the positive association of fat mass with bone mass in children/adolescents.

\n\nBACKGROUND CMR-LGE is a well-established tool for the assessment of scar in ischemic heart disease. Its role in HCM has evolved in recent years, and an association with nonsustained ventricular tachycardia has been demonstrated.\n\nMETHODS HCM patients who underwent septal myectomy during the period 2004 through 2010 and had undergone

CMR-LGE no more than 6 months before surgery were selected. Histopathological assessment of the myectomy specimens included quantitative digital analysis (interstitial and Captisol research buy replacement fibrosis) and semiquantitative assessment (small intramural coronary arteriole dysplasia and disarray). Correlations between CMR-LGE measured with various techniques, SD above the signal

intensity for the normal remote myocardium (2, 4, 5, 6, and 10 SD) and the full width at half maximum (FWHM) technique, at the myectomy site, and interstitial fibrosis, replacement fibrosis (scar), and their sum (fibrosis + scar) were evaluated.\n\nRESULTS Twenty-nine patients were included. Statistically Saracatinib cell line significant correlations between CMR-LGE (at 2, 4, 5, 6, 10 SD and by the FWHM technique), and both interstitial fibrosis and the combined interstitial and replacement fibrosis were found. The strongest correlation was between combined interstitial and replacement fibrosis and CMR-LGE measured at 5 SD (r = 0.78, p < 0.0001). LGE measured at 10 SD demonstrated the best correlation with replacement fibrosis (r = 0.42, p = 0.02). Bland-Altman analysis revealed optimum agreement between the combined interstitial and replacement fibrosis found at pathology

and LGE measured at 4 SD. In addition, moderate and severe small intramural coronary artery dysplasia showed a statistically significant correlation with replacement fibrosis (p = 0.01) and CMR-LGE at 10 SD (p = 0.04).\n\nCONCLUSIONS CMR-LGE measured at 4 SD and 5 SD yields the closest approximation to the extent of total fibrosis measured by the histopathological standard of reference. These findings have implications for future investigations of CMR-LGE and its check details association with important clinical endpoints in HCM, including sudden cardiac death. (J Am Coll Cardiol Img 2013;6:587-96) (C) 2013 by the American College of Cardiology Foundation”
“Eleven Salmonella Choleraesuis and seven Salmonella Hadar strains isolated from various clinical human samples were investigated by plasmid profile analysis, enterobacterial repetitive intergenic consensus-polymerase chain reaction (EFIC-PCR) and pulsed-field gel electrophoresis (PFGE) in order to obtain information at a molecular level on the epidemiology of S. Choleraesuis and S. Hadar, which are significantly present in Turkey. Plasmid profile analysis showed that 10 (90.9%) of 11 S.

Ocular and oral swabs were collected twice daily for 30 days. DNA was extracted from all swabs and HSV-1 DNA copy numbers were determined. Statistical analysis was performed to compare the DNA copy numbers of the three groups.\n\nRESULTS. There was no significant difference in the HSV-1 DNA copy numbers in the tears or saliva among any of the three treatment groups. The

mean copy numbers +/- SE of mean (SEM) of HSV-1 DNA in tears were 340 +/- 35, SN-38 1074 +/- 320, and 630 +/- 51 for groups 1, 2, and 3, and in saliva were 238 +/- 35, 963 +/- 462, and 493 +/- 25, respectively, for groups 1, 2, and 3.\n\nCONCLUSIONS. No correlation was found between HSV-1 shedding and valacyclovir and valacyclovir with aspirin treatment. The HSV-1 DNA copy number was not reduced

by treatment with 500 mg of valacyclovir daily or with a combination of daily valacyclovir (500 mg) plus twice-daily doses of aspirin (350 mg) over 30 days. (Invest Ophthalmol Vis Sci. 2009; 50: 5601-5608) DOI: 10.1167/iovs.09-3729″
“Purpose: To develop a software-based scatter correction method for digital breast tomosynthesis (DBT) imaging and investigate its impact on the image quality of tomosynthesis reconstructions of both phantoms and patients.\n\nMethods: A Monte Carlo (MC) simulation of x-ray scatter, with geometry matching that of the cranio-caudal (CC) view of a DBT clinical prototype, was developed using the Geant4 toolkit and used to generate BLZ945 in vivo maps of the scatter-to-primary ratio (SPR) of a number of homogeneous standard-shaped breasts of varying sizes. Dimension-matched

SPR maps were then deformed and registered to DBT acquisition projections, allowing for the estimation of the primary x-ray signal acquired by the imaging system. Noise filtering of the estimated projections was then performed to reduce the impact of the quantum noise of the x-ray scatter. Three dimensional check details (3D) reconstruction was then performed using the maximum likelihood-expectation maximization (MLEM) method. This process was tested on acquisitions of a heterogeneous 50/50 adipose/glandular tomosynthesis phantom with embedded masses, fibers, and microcalcifications and on acquisitions of patients. The image quality of the reconstructions of the scatter-corrected and uncorrected projections was analyzed by studying the signal-difference-to-noise ratio (SDNR), the integral of the signal in each mass lesion (integrated mass signal, IMS), and the modulation transfer function (MTF).\n\nResults: The reconstructions of the scatter-corrected projections demonstrated superior image quality. The SDNR of masses embedded in a 5 cm thick tomosynthesis phantom improved 60%-66%, while the SDNR of the smallest mass in an 8 cm thick phantom improved by 59% (p < 0.01).

\n\nDesign Nine patients, still suffering from a high level of pain after breast cancer therapy despite use of postoperative treatment with conventional analgesics, were invited to participate. A Traumeel and procaine injection was administered once a week for three to 10 sessions. The level of pain was assessed by a pain score and physical and psychological status by a questionnaire before and directly after injection and again at follow-up visits after 3 and 6 months.\n\nResults After the last injection, all patients experienced a marked reduction of their level of pain on average from 7.6 +/- 1.5 to 2.4 +/- 1.4 points on a scale from 1 to 10 points. After

a follow-up observational phase of 3 and 6 months, pain score ratings increased slightly again in some patients but remained consistently low in others. In any case, the ratings of pain levels did not reach see more the values assessed before the start of Traumeel injection. Dorsomorphin solubility dmso Similarly, health-related quality of life improved with this injection therapy. The perception of pain relief with Traumeel injection was high in 8 of 9 patients, reflecting an overall perceived

positive outcome and tolerability of this treatment.\n\nConclusions This case series represents a first encouraging approach to using this complex homeopathic injection for pain relief in breast cancer patients. (Altern Ther Health Med. 2010;16(1):54-59.)”
“To estimate the influence of gravel mesh (fine and coarse) and vegetation (Phragmites and Arundo) on the efficiency of a reed bed, a pilot plant was included after the wastewater treatment plant of a cosmetic industry treatment system according to a 2(2) factorial experimental selleck chemicals design. The maximum biochemical oxygen demand (BOD(5)), chemical oxygen demand (COD) and total phosphorous

(TP) reduction was observed in the reactor, where Phragmites and fine gravel were used. In the reactor with Phragmites and coarse gravel, the maximum total Kjeldahl nitrogen (TKN) and total suspended solids (TSS) reduction was observed. The maximum total solids reduction was measured in the reed bed, which was filled with Arundo and coarse gravel. Conclusively, the treatment of a cosmetic industry’s wastewater by reed beds as a tertiary treatment method is quite effective.”
“Background: Selenium (Se) is an important nutrient that carries out many biological processes including maintaining optimal immune function. Here, inorganic selenite (Se(IV)) was evaluated for its pathogen resistance and potential-associated factors in Caenorhabditis elegans. The immune effects of Se(IV) were investigated by examining the responses of C. elegans to Pseudomonas aerugonisa PA14 strain. Principal Findings: Se(IV)-treated C.

\n\nConclusions: A bacterial consortium mTOR inhibitor review capable of complete LAS degradation was isolated from the Rio de la Plata and adjacent waters. This consortium was more efficient for LAS degradation than individual cultures, and was sensitive to high LAS concentrations.\n\nSignificance and Impact of the Study: The autochthonous consortium with high effectiveness on LAS biodegradation is a useful tool for LAS depletion from these polluted ecosystems.”
“The collagenase matrix metalloproteinase-13 (MMP-13) plays an important role in the

destruction of cartilage in arthritic joints. MMP-13 expression is strongly up-regulated in arthritis, largely because of stimulation by inflammatory cytokines such as IL-1 beta. Treatment of chondrocytes with IL-1 beta induces transcription of MMP-13 in vitro. IL-1 beta signaling converges upon the activator protein-1 transcription factors, which have been shown to be required for IL-1 beta-induced MMP-13 gene expression. Using chromatin immunoprecipitation (ChIP), we detected activator protein-1 binding within an evolutionarily conserved DNA sequence similar to 20 kb 5′ relative to the MMP-13 transcription start site (TSS). Also using ChIP, we detected histone modifications and binding of RNA polymerase buy Givinostat II within this conserved region, all

of which are consistent with transcriptional activation. Chromosome conformation capture indicates that chromosome looping brings this region in close proximity with the MMP-13 TSS. Finally, a luciferase reporter construct driven by a component of the conserved

region demonstrated an expression pattern similar to that of endogenous MMP-13. These data suggest that a conserved region at 20 kb upstream from the MMP-13 TSS includes a distal transcriptional response element of MMP-13, learn more which contributes to MMP-13 gene expression.”
“The objective of this study was to compare the mRNA expression of host genes involved in type-I interferon-induced antiviral state (IFN-alpha, IFN-beta, Mx-1, PKR, OAS-1 and ISG-15), and apoptosis (caspase-3, -8, and -9), after experimental infection of beef calves with low or high virulence noncytopathic (ncp) bovine viral diarrhea virus (BVDV) strains. Thirty BVDV-naive, clinically normal calves were randomly assigned to three groups. Calves were intranasally inoculated with low (LV; n =10, strain SD-1) or high (HV; n = 10, strain 1373) virulence ncp BVDV or BVDV-free cell culture medium (Control, n =10). Quantitative RT-PCR was used to determine the target gene expression in tracheo-bronchial lymph nodes and spleen 5 days after infection. Interferon-alpha and -beta mRNA levels were up-regulated in trachea-bronchial lymph nodes (P<0.05) in the HV group, but not in the LV group, compared with the control group. There was an up-regulation of type I interferon-induced genes in spleen and tracheo-bronchial lymph nodes of HV and LV groups, compared with the control group (P<0.01).