Stroma is an important

Stroma is an important BAY 80-6946 nmr histological hallmark of ICC, suggesting that it may greatly influence tumor progression. However, few studies have specifically investigated the alterations of the stroma in ICC, particularly at a genomic scale. Notably, a genome-wide comparative analysis of tumor epithelia and stroma from 23 cholangiocarcinomas was recently reported.[25] Tumor epithelium was characterized by the dysregulation of the HER2 network and frequent overexpression of EGFR, whereas the stroma was enriched in inflammatory cytokines.[25] This study provided not only an important insight into the pathogenesis of cholangiocarcinoma but also novel therapeutic targets. However, these

studies were not designed to investigate the molecular heterogeneity of the stroma or to define specific gene dysregulations Smoothened Agonist nmr in the stromal compartment of ICC. Herein, we specifically

addressed these issues by performing gene expression profiling of microdissected stroma from human ICC. Also, while previous studies analyzed several types of cholangiocarcinomas with different prognoses (e.g., peri-hilar, infiltrating, and mass-forming type), our study exclusively focused on the mass-forming type of ICC. The robustness of the results was evaluated using two independent cohorts of patients with ICC. Importantly, the cases included representatives of all groups of ICC, as defined by the staging system of the UICC classification (Table 1; Supporting Table 2). The validating set was also equally distributed in cases with or without recurrence. Thus, although the cohort is small, we believe that the cases are likely representative of ICC. A good agreement was found for all genes evaluated at the mRNA level in the testing set and at the protein level in the validating set. Univariate and multivariate statistical analysis of protein expression and clinical features demonstrated that an overexpression of osteopontin in the stroma was closely associated with a poor prognosis in ICC. Osteopontin 上海皓元医药股份有限公司 is a multifunctional

secreted glycoprotein also known as the secreted phosphoprotein 1 (SPP1), which interacts with CD44 and integrins. Although initially discovered in bone tissue,[34] osteopontin is equally present in the liver, especially in the epithelium of the bile ducts and in stellate and Küpffer cells.[35] Osteopontin plays a pivotal role in mediating tumor-stroma interactions and in modulating cell adhesion, tissue remodeling, and tumor invasiveness, as previously described in colon and liver cancers.[36-39] In HCC, several studies have demonstrated that osteopontin blockade resulted in the inhibition of tumor growth, migration, and invasion, both in vitro and in vivo.[40, 41] Besides a functional role in cancer, osteopontin also exhibits great potential as a diagnostic and/or prognostic biomarker. Indeed, the plasma level of osteopontin was shown to correlate with poor prognosis in several cancers, including HCC.

Disclosures: Stephen A Harrison – Advisory Committees or Review

Disclosures: Stephen A. Harrison – Advisory Committees or Review Panels: Merck, Nimbus Discovery; Grant/Research Support: Merck, Genentech; Speaking and Teaching: Merck, Vertex Sheldon http://www.selleckchem.com/products/KU-60019.html Y. Okada – Employment: Gilead Sciences; Stock Shareholder: Gilead Sciences Cathy A. Su – Employment: Gilead Sciences, Inc.; Stock Shareholder: Gilead Sciences, Inc. Matthew Paulson – Employment: Gilead Sciences Jeffrey D. Bornstein – Employment: Gilead Sciences Arun J. Sanyal – Advisory Committees

or Review Panels: Bristol Myers, Gilead, Abbott, Ikaria; Consulting: Salix, Immuron, Exhalenz, Nimbus, Genentech, Echo-sens, Takeda; Grant/Research Support: Salix, Genentech, Genfit, Intercept, Ikaria, Takeda, GalMed, Novartis, Gilead; Independent Contractor: UpToDate, Elsevier [Objective] We reported the usefulness of cytokeratin18 (CK18) as an index of progress of the hepatic tissue in the example of a repetition liver biopsy of NASH.(Hepatology 474A,2013) .Recently, the novel sugar chain marker WFA+M2BP has attracted attention as a potentially useful non-invasive liver fibrosis marker, and reported high levels of WFA+M2BP is high risk of hepatocellur carcinoma(HCC) with hepatitis C, but its utility in NASH/NAFLD is unknown. Therefore, we have assessed WFA-M2BP in

NAFLD cases and examied its utility as a marker of fibrotic change in the diagnosis of progression of fibrosis and repeat liver biopsies and whether it could useful as prediction of HCC.[Subjects PI3K inhibitor and Methods] We assessed WFA-M2BP in 294 NAFLD patients at who had undergone liver biopsies (mean age: 54.2±14; M/F: 149/145; F0/1/2/3/4: 24/87/65/87/31). In addition to its utility in diagnosing fibrosis in NASH, we examined the associations

of WFA-M2BP to fibrosis stage. Moreover, M2BP of a HCC cases and non HCC cases was measured. We also assessed WFA-M2BP in 96 NAFLD patients (5.3±2.9y) who underwent repeat liver biopsies We examined the associations of WFA-M2BP to liver fibrosis changes. This kit measures gly-cosylation isomer of Mac-2 binding protein based on the che-miluminescence enzyme immunoassay method with CDP-StarR 上海皓元 chemiluminescent substrate. This kit is exclusively designed for Automated Immunoassay System HISCL- series. [Results] WFA-M2BP increased as fibrosis progressed (P<0.0001). Specifically, WFA-M2BP was significantly higher in F3 and F4 than in F0-2 (0.8 vs 1.23; P<0.0001), the cutoff value was 1.01, the AUC was 0.70, sensitivity was 68.4%, specificity was 70%, PPV was 60%, and NPV was 77.5%; thus, WFA-M2BP was useful in diagnosing NASH with progression of fibrosis. Among cirrhotic liver, WFA-M2BP was higher with Burn out NASH in which advanced fibrosis than non-burn out NASH(6.5 vs 1.8,p=o.0031). Furthermore the HCC cases(n=13)had significantly high levels of M2BP compared with the non HCC cas-es(n=281)(6.5 vs 1.8,p<0.0001).

After confirming the overexpression of miRNAs (data not shown), w

After confirming the overexpression of miRNAs (data not shown), we investigated their effect on FAS-induced apoptosis in hepatocytes. By cell counting,

we found that miR-221 inhibited Jo2-induced cell death most prominently in comparison to other miRNAs (Fig. 2A). We therefore focused on miR-221 for further analyses. WST assay also revealed that miR-221 overexpression followed by Jo2-treatment led to an increase in cell survival, whereas inhibition of miR-221 decreased cell survival (Fig. 2B). In order to determine whether increased hepatocyte survival was due to inhibition of apoptosis we measured the activity of caspase-3/7. Nutlin-3 price We found decreased caspase-3/7 activity in hepatocytes transfected with miR-221 mimic, whereas increased caspase-3/7 activity was seen in hepatocytes transfected with miR-221 inhibitor (Fig. 2C). Together, cell viability assay and caspase-3/7 assay provide evidence that miR-221 protects cultured hepatocytes from Jo2-induced apoptosis. We then addressed the question whether overexpression of miR-221 can rescue the observed high sensitivity of shDGCR8 cells to FAS-induced apoptosis. To this end, we transfected shDGCR8 cells with miR-221 mimic followed by FAS-induced apoptosis. By Annexin V staining and caspase-3/7 assay we found that shDGCR8 cells transfected with mimics of miR-221

had reduced apoptosis (Fig. 2D,E). Therefore, miR-221 can partially rescue cells from FAS-induced apoptosis and hence http://www.selleckchem.com/products/pci-32765.html partially compensate for global loss of miRNAs in shDGCR8 cells. Next we sought to investigate whether overexpression of miR-221 can protect mice from FAS-induced fulminant liver failure. To overexpress miRNAs in vivo, we used AAV8. AAV8 has been shown to transduce up to 100% hepatocytes when injected intravenously in mice.25 Moreover, a successful

miRNA delivery by AAV8 and regression of tumors has recently been shown in a mouse model of hepatocellular carcinoma.26 We therefore prepared AAV8-Ttr-miR-221 vector expressing miR-221 under the control of a hepatocyte-specific transthyretin MCE (Ttr) promoter and an AAV8-Ttr-Cre (control) vector expressing Cre recombinase (Fig. 3A). In vivo hepatocyte transduction efficiency was assessed by injecting 1 × 1011 viral particles of AAV8-Ttr-Cre vectors into the tail vein of ROSA26 reporter mice,27 which contains a floxed stop codon upstream of the β-galactosidase reporter gene. Efficient hepatocyte transduction was confirmed by X-gal staining (Fig. 3B). We then injected 1 × 1011 viral particles of either AAV8-Ttr-Cre or AAV8-Ttr-miR-221 vector intravenously into BALB/c mice. AAV8-injected mice showed normal histology (Fig. 3B) and normal levels of transaminases (data not shown). Four days after AAV8 injection, we detected 8-fold higher expression of miR-221 in purified hepatocytes from mice injected with AAV8-Ttr-miR-221 compared to control hepatocytes from AAV8-Ttr-Cre-injected mice (Fig. 3C).

Ten-minute static planar images were acquired with a 256 pixel ×

Ten-minute static planar images were acquired with a 256 pixel × 256 pixel matrix. The liver area (mm2) was determined by the amount of radioactivity uptake in the organ. Neutrophil accumulation in the liver was quantified with MPO activity assays as previously described.22 MPO activity was assayed with measurements of the variation in the optical

density (OD) at 450 nm with tetramethylbenzidine (1.6 mM) and hydrogen peroxide (0.5 mM). The results are expressed as relative neutrophil numbers, and they were calculated by comparisons of tissue supernatant OD values with the OD values of a standard neutrophil curve (>95% purity). The results are expressed as means ICG-001 and standard errors of the mean. Prism (GraphPad Software, San Diego, CA) was C59 wnt manufacturer used for data analysis. Statistical significance was tested with the Student t test or a one-way analysis of variance followed by Bonferroni posttests, and P < 0.05 was considered to indicate statistical significance. PV fused to an MTS and GFP was developed as a genetically encoded Ca buffer. GFP targeted to the mitochondrial matrix was used as a control (Fig. 1A). PV was effectively expressed in SKHep1 cells transfected with PV-MITO-GFP, as demonstrated by immunoblotting (Fig. 1B). Moreover, PV was correctly targeted to the mitochondrial matrix, as demonstrated by the colocalization of GFP and MitoTracker Red

(Fig. 1C). For the evaluation of Ca2+ buffering by this construct, SKHep1 cells were stimulated with 1 μM ATP, and Ca was measured by Rhod-2/AM confocal microscopy. ATP elicited a robust increase in Ca in control cells and in cells expressing GFP alone, but this was reduced by approximately 90% in cells expressing PV in mitochondria (n = 3, P < 0.001; Fig. 2). These results

demonstrated that PV-MITO-GFP was correctly targeted to the mitochondrial matrix and efficiently buffered agonist-induced Ca signals. Ca plays a crucial role in apoptosis, so we investigated the effect of Ca buffering on cell death. A treatment with STA increased the percentage of dead cells to 19.1% ± 3.7% (11.4% ± 0.7% for unstimulated cells, P < 0.001, n = 3). Upon Ca buffering, the rate of cell death induced by STA was reduced to 7.7% ± 2.2%, whereas the rate of cell death remained high (25.7% ± 1.8%) MCE in cells transfected with MITO-GFP (P < 0.001, n = 3; Fig. 3A). The role of Ca in cell death was further characterized by the evaluation of the intrinsic or extrinsic apoptotic pathways because the two pathways converge at the level of Ca signaling.23 The intrinsic pathway was investigated through the measurement of caspase-9 and caspase-3 activity in SKHep1 cells stimulated with 100 nM STA for 6 hours. Caspase-9 activity was increased to 0.16% ± 0.06% after the STA treatment compared with 0.1% ± 0.02% in control cells, and this was blocked by the expression of PV-MITO-GFP (P < 0.001, n = 3; Fig. 3B). Similarly, STA-induced caspase-3 activity was inhibited by Ca buffering (Fig. 3C). Caspase-3 activity was increased from 43.

RESULTS: NS3 mutations V36L (N=2), T54S (N=6), Q80K (N=1), S138L

RESULTS: NS3 mutations V36L (N=2), T54S (N=6), Q80K (N=1), S138L (N=1), D168E (N=3), V170L (N=1),

and V36I+Q80R (N=1) were detected and mutation rate was 7.2%. R155K and A156V which are lead to a high level resistance to NS3 inhibitors were not detected. NS5A mutations L31M (N 8), L31V (N=1),Q54H (N=42), Q54P (N=2), Q54K (N=1), Q54L (N=1), Q54N (N=2), Q54S (N=1), Q54Y (N=3), Q62E (N=2), Q62H (N=1), Q62N (N=1), Q62S (N=4), Y93H (N=7), L31I+Q54H (N=1), L31M+Q54H (N=2), Q54H+Q62E (N=8), Q54H+Q62A (N=3), Q54H+Y93H (N = 10), and L31M+Q54H+Y93H (N = 1) were detected and mutation rate was 48.3%. L31M and Y93H which associated with high level resistance to NS5A inhibitors were frequently found. NS5B mutations C316N (N=54), M414L (N=2), Y448N (N=2), Peptide 17 chemical structure and C316N+Y448N (N=1) were detected and mutation rate was 28.5%. S282T which is RAV for nucleoside NS5B inhibitor was not found. 8 patients simultaneously have RAV in both NS3 and NS5A

regions and 12 patients simultaneously have RAV in both NS5A and NS5B regions. CONCLUSIONS: The preexisting RAV for NS5A inhibitors click here and nonnucleoside NS5B polymerase inhibitors are frequently found but the naturally occurring resistance mutations against 2nd generation of NS3 protease inhibitors and nucleoside NS5B polymerase inhibitors are rare. These results indicated that the combination of 2nd generation of NS3 protease and nucleoside NS5B polymerase inhibitors would be optimal IFN free regimen. Disclosures: Hidemi Goto – Grant/Research Support: MSD, Roche, Bayer, Bristol-Myers, Eisai, Ajinomoto, Otsuka, Astra, Tanabe The following people have nothing to disclose: Kazuhiko Hayashi, Masatoshi Ishigami, Yoji Ishizu, Teiji Kuzuya, Takashi Honda, Yoshiaki Katano, Yoshiki Hirooka Hepatitis C virus (HCV) is phylogenetically divided into multiple genotypes and subtypes, owing to their extreme genetic diversity. Different geno/subtypes may display different replicative capacity, immunologic escape, and resistance against direct-acting antivirals (DAA). Co-existence of different geno/ subtypes may be found in patients

with blood transfusion, organ transplantation, or intravenous drug use. The prevalence of co-existence and its clinical significance, however, have not been fully elucidated. To investigate the prevalence of HCV infection with MCE公司 multiple geno/subtypes among HCV/HIV co-infected hemophiliac and HCV mono-infected post-transfusion patients, twenty one HCV positive sera (eleven HCV/HIV co-infected and ten HCV mono-infected) were collected. HCV E1-NS3 fragments were amplified by RT-PCR, and analyzed via direct sequencing (DS) and next-generation sequencing (NGS). In NGS experiments, viral haplotypes were computationally reconstructed using previously published program. The detection limit (0.01%) was preliminary determined from simulations and control experiments.

2D) More important, HCC cells overexpressing Cryab had a mesench

2D). More important, HCC cells overexpressing Cryab had a mesenchymal phenotype in HCC tissues (Fig. 2E). Thus, we conclude

that the Cryab overexpression promotes HCC progression by inducing cancer cell EMT. We employed a multivariate approach for integrating genome-wide expression data and biological knowledge23 to search for pathways that are dysregulated as a consequence of Cryab overexpression. We used this method to search through functional pathways defined by KEGG see more and BioCarta in Hep3B-Mock versus Hep3B-Cryab cells. Pathways with significant P values at 0.01 are shown. We identified 28 gene sets in the BioCarta database and 67 gene sets in the KEGG database, with false discovery rates (Q values) < 0.05 by paired t tests between these populations (Table S5). The magnitudes of MEK, FAK, Src, p38, ERK1/2, p65, and Akt phosphorylation

in Hep3B-Mock and HCCLM3-Mock cells were compared to their corresponding control cells. As shown in Fig. 3A, markedly elevated levels of MEK, ERK1/2, and p38 phosphorylation were detected in HCCLM3-Mock and Hep3B-Cryab cells compared with the corresponding control cells, while consistent changes in Src, FAK, and p65 phosphorylation were not observed in the Hep3B-Cryab/Hep3B-Mock Alpelisib price and HCCLM3-Mock/HCCLM3-vshCryab cells. Immunofluorescent staining showed that expression of Cryab in Hep3B-Cryab and HCCLM3-Mock cells correlated with high ERK1/2 phosphorylation (Fig. 3B). To identify the signaling pathways that might contribute to the observed phenotypic changes, we blocked MEK/ERK signaling using U0126 or P38 signal using SD203580. Upon ERK1/2 inhibition, the Hep3B-Cryab and HCCLM3-Mock cells presented an epithelial phenotype based on mRNA and protein expression (Fig. 3C)

and cellular characteristics, such as decreased E-cadherin and increased Fn 1, vimentin, and F-actin when compared with the parental cells (Fig. 3D). These results indicate that hyperactivation of ERK1/2 appears to be crucial for the observed Cryab-mediated phenotypic characteristics of HCC cells. Sorafenib, an oral multikinase 上海皓元医药股份有限公司 inhibitor, offers hope for the clinical treatment of several advanced solid cancers by inhibiting intracellular signals in the ERK cascade and blocking receptor tyrosine kinases.17, 24 Here, we tried to assess whether sorafenib inhibited the activity of the ERK cascade induced by Cryab overexpression. As shown in Fig. S3, Hep3B-Mock cells were evidently inhibited compared with Hep3B-Cryab cells when the sorafenib concentration reached 10 or 20 μM (P < 0.05). We further evaluated the changes in the phosphorylation levels of ERK1/2 by western blot in both Hep3B-Mock/Hep3B-Cryab and HCCLM3-Mock/HCCLM3-vshCryab cells after treatment with sorafenib in a dose-dependent or time-dependent manner at the concentration of 10 μM.

Results: Compared to wild type mice, ASMase-/- mice were resistan

Results: Compared to wild type mice, ASMase-/- mice were resistant to alcohol induced steatosis, exhibiting 70%ndash;90% lower trigliceride levels and oil red staining.

Consistent with these findings, alcohol-induced ER stress (Chop, Pdi) and liver injury (3%ndash;4 fold increase in ALT) were observed in wild type but not in ASMase null mice. Interestingly, increase Volasertib molecular weight in plasma Hcy levels was similar in wild type and ASMase null mice (5%ndash;7 fold). Wild type but not ASMase null mice exhibitied increased StARD1 overexpression and mitochondrial cholesterol trafficking by alcohol feeding. Moreover, evidence for Kupffer cell M1 /M2 polarization was similar for wild type and ASMase mice. Lysosomal permeabilization examined by NAG activation in the cytosol was lower in ASMase null mice compared to wild type

mice. Conclusion: ASMase null mice are resistant to intragastric alcohol-induced ER stress, steatosis, and liver injury despite severe Hcy, implying that the ability of Hcy to induce ER stress in response to alcohol is dependent on ASMase. Disclosures: Hidekazu Tsukamoto – Consulting: Shionogi & Co., S.P. Pharmaceutics; Grant/Research Support: The Toray Co. Neil Kaplowitz – Consulting: GlaxoSmithKline, JNK inhibitor cost JNJ, Merck, Novartis, Hepregen, Takeda, Otsuka; Independent Contractor: Acetaminophen Litigation The following people have nothing to disclose: Anna Baulies, Laura Martinez, Carmen Garcia-Ruiz, Jose Fernandez-Checa Backgrounds: The Wnt/β-catenin pathway is important for the regulation of liver growth, repair, and regeneration. It has been previously shown that chronic ethanol consumption blunts normal liver regenerative responses, in particular by inhibiting insulin/IGF signaling. Treatment with PPARδ agonist restored hepatic insulin responsiveness and normalized liver histology. Accordingly, we hypothesized whether these effects are associated with improvements in Wnt signaling. In this study, we investigated the effects

of chronic ethanol exposure MCE and subsequent treatment with PPARδ agonist on the expression of Wnt pathway genes during a post-partial hepatectomy (PH) time course. Methods: Adult male Long Evans rats were fed with isocaloric liquid diets containing 0 or 37% ethanol for 8 weeks followed by 2/3 PH. During the last three weeks, a portion of rats was fed with PPARδ agonist. All animals were sacrificed at 0, 18, 24, 30, 48, 72 hour, and one week time points after PH. Total RNA was extracted from liver tissue. The expression of 19 genes involved in the Wnt pathway was quantified by reporter signal amplification using the Quantigene 2.0 Multiplex Assay (Affymetrix). Results: Chronic ethanol consumption led to expression changes in the 19 genes tested, demonstrating an inhibition of Wnt/β-catenin signaling.

Conclusions: Vitadur-N-veneered crowns showed the highest mean ve

Conclusions: Vitadur-N-veneered crowns showed the highest mean vertical gaps and the lowest mean fracture resistance values of the tested groups, while VM7-veneered crowns combined the highest fracture resistance values and clinically acceptable margins. The best interface quality and finest ceramic texture

were evident in case of VM7 material. “
“The prevalence of Candida infections has been rising with an increasingly aging population and a larger population of immunocompromised individuals. The use of probiotics may be an alternative approach to antifungal agents in the prevention and treatment of oral candidiasis. This study aimed to evaluate the short-term effect of probiotics in reducing the infection check details level of oral Candida in candidiasis-asymptomatic

elderly denture wearers. In a double-blind randomized study, 59 denture wearers harboring Candida spp. in the oral cavity with no clinical symptoms were allocated into two groups: probiotic and placebo. All patients were instructed to clean the denture daily. The probiotic group poured a capsule containing lyophilized Lactobacillus rhamnosus HS111, Lactobacillus acidophillus HS101, and Bifidobacterium bifidum daily selleck inhibitor on the palatal surface of the maxillary denture, whereas the placebo group was submitted to the same regimen using placebo capsules. Candida spp. infection levels were evaluated in palate mucosa samples obtained before and after a 5-week experimental period. All patients harbored Candida in the palate mucosa at baseline. Fifty-five MCE公司 individuals completed the experimental period. The detection rate of Candida spp. was 92.0% in the placebo group after the experimental period, whereas it was reduced to 16.7% in the probiotic group. The reduction promoted by the probiotic regimen was independent of baseline characteristics such as Candida infection level and colonizing species, age of denture, and other variables. The probiotic product was effective in reducing the colonization of the oral cavity with Candida in candidiasis-asymptomatic elderly denture

wearers, suggesting that this multispecies probiotic could be used to prevent oral candidiasis. Clinical implications: Colonization of oral surfaces by Candida is considered a risk factor for invasive fungal infections. The use of a product with L. rhamnosus, L. acidophilus, and B. bifidum may represent an alternative treatment for reduction of Candida infections in elderly denture wearers. “
“Purpose: An entirely new subclass of casting alloy composition whereby palladium (∼approximately 25 wt%) is added to traditional base metal alloys such as CoCr and NiCr was recently introduced to the market. The purpose of this study was to evaluate the elemental release of new CoPdCr and NiPdCr alloys and compare them to traditional CoCr and NiCr alloys.

Contrast enhancement; Presenting Author: STEPHENKIN KWOK TSAO Add

Contrast enhancement; Presenting Author: STEPHENKIN KWOK TSAO Additional Authors: WEE CHIAN LIM, CORA CHAU, CHARLESKF VU

Corresponding Author: STEPHENKIN KWOK TSAO Affiliations: none Objective: This is a case report on the impact of image enhanced endoscopy (IEE) with FICE and optical magnification (OM) in regular screening endoscopy. Methods: A 64 year old Chinese gentleman initially presented to the gastroenterology clinic with dyspepsia learn more in 2008. His initial OGD revealed gastritis and small gastric ulcers. Biopsy showed active chronic gastritis, helicobacter pylori and intestinal metaplasia (IM). Over the next 4 years he underwent further 2 OGDs as part screening due to IM. The pathologists raised suspicion of atypical changes in IM, and opinion ranged from indefinite for dysplasia to high grade dysplasia. IEE with FICE and OM was

used in his subsequent management. Results: A 1.5 cm flat (0-IIa) lesion was noted along incisura, demonstrating irregular microvascular and microsurface pattern with clear demarcation line. A diagnosis of early intramucosal gastric cancer was made. The lesion was removed by endoscopic submucosal dissection, and final histopathology – adenocarcinoma staging pT1a. Conclusion: Regular LY2606368 concentration interval endoscopic examination together with IEE is useful in patients with IM in identifying early gastric cancer. The performance of FICE with OM seems comparable to NBI in making such endoscopic diagnosis. Key Word(s): 1. intestinal metaplasia; 2. early gastric MCE公司 cancer; 3. image enhanced endoscopy; 4. FICE; Presenting Author: HYEONG KUG KIM Additional Authors: HYUN CHUL KOO Corresponding

Author: HYUN CHUL KOO Affiliations: Eulji University Hospital Objective: Self-expandable metallic stent (SEMS) insertion is widely used for patients with malignant duodenal obstruction. The proximal end of SEMS is usually located in the second portion. The purpose of this study is to compare the mean survival rate and the stent patency depending on different position. Methods: Retrospective review was performed between January 2008 and March 2013 in 13 patients. Thirteen patients received duodenal stent because of malignant gastic outlet obstruction. Complication and clinical outcome was assessed. Results: Out of 13 patients, 4 patients had CBD cancer and 9 patients had pancreatic cancer. SEMS was inserted using Olympus CV-240 endoscope. In 4 patients, the proximal end of SEMS was located at the pre-pyloric ring (Group A). For rest of 8 patients, the proximal end of the SEMS was located at the duodenum bulb (Group B). The patency of stent and mean survival rate were studied between group A and B whose stents were inserted at two different positions. Technical and clinical success rate between two groups had no significant difference. The mean stent patency of group A was 186 days (range, 10 to 310) and mean survival rate was 120 ± 38.96 days.

We developed and refined a simple and efficient technique in whic

We developed and refined a simple and efficient technique in which nail polish was used to remove conidia, appressoria, hyphae, Selleckchem GW-572016 conidiophores, and developing ascocarps of E. necator from grapevine (Vitis vinifera) leaves

and showed that RNA isolated after removal was not contaminated with V. vinifera RNA. This approach can be applied to expression analyses throughout fungal development and could be extended to other epiphytic pathogens and saprophytes. “
“To characterize Aspergillus section Nigri strains involved in the ochratoxin A (OTA) contamination of Tunisian wine and table grapes, a total of 33 strains were analysed. A molecular characterization of the isolates was performed by the amplification of internal transcribed spacer (ITS1-5.8S rDNA-ITS2) region combined with amplicon sequencing. Analysis of similarity between the obtained sequences and those deposited

in the GenBank database was performed. Twelve strains were confirmed to belong to the Aspergillus carbonarius species. Strains belonging to the Aspergillus niger aggregate group were classified by in silico RFLP assay into two patterns N and T, corresponding to A. niger and Aspergillus tubingensis. Among the 21 OTA producing isolates analysed, 13 showed the T-type pattern and 8 showed www.selleckchem.com/products/c646.html the N-type pattern. The presented method showed to be a reliable alternative to the classic RFLP method. Our findings unambiguously revealed that multiple MCE公司 aspergilli species isolated from wine and table grape in Tunisia are able to produce OTA. “
“During the 2009 and the 2010 growing

seasons, a root rot disease has been detected on young potted Persea americana plants in two nurseries located in the Catania and Messina provinces (eastern Sicily, Italy). A Cylindrocarpon sp. was consistently recovered from pieces of symptomatic tissues on Petri dishes containing potato dextrose agar. On the basis of morphological characteristics and molecular identification by DNA sequencing and phylogenetic analysis of internal transcribed spacer and β-tubulin gene regions, the causal agent was identified as Ilyonectria (=Neonectria) macrodidyma. Koch’s postulates were fulfilled by pathogenicity tests carried out on potted P. americana seedlings. To our knowledge, this is the first to report worldwide of the occurrence of a disease caused by I. macrodidyma on P. americana. “
“In 2013, an outbreak of Rhizopus rot caused by Rhizopus oryzae occurred in cucumber grafted onto pumpkin rootstock sampled from seedling farms in Changnyeong, South Korea. A water-soaked appearance of the affected tissue was the first symptom of this soft fungal rot in the seedling stems of grafted cucumber. Lesions at the graft sites softened and rapidly, rotted, and turned brown or dark brown. Measurements and taxonomic characteristics were most similar to R. oryzae.