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APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica

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https://www.readbyqxmd.com/read/28444776/in-vitro-effects-of-ambroxol-on-cryptococcus-adherence-planktonic-cells-and-biofilms
#1
Qingtao Kong, Xue Du, Suyang Huang, Rui Yang, Chengzhen Zhang, Yongnian Shen, Weida Liu, Hong Sang
The antifungal effects of ambroxol (Amb; the metabolite VIII of bromhexine) against Cryptococcus planktonic cells and mature biofilms were investigated in this study. Amb showed antifungal activity against planktonic cells and mature biofilms. Disk diffusion test similarly showed antifungal profile for planktonic cells. Furthermore, Amb was found to be synergetic with fluconazole against planktonic cells and reduced the adherence of cells to polystyrene. Our results suggest that Amb can inhibit cryptococcal cells and biofilms, indicating its potential role in the prevention and treatment of cryptococcosis...
April 26, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28430373/a-five-mirna-expression-signature-predicts-survival-in-hepatocellular-carcinoma
#2
Gang Liu, Hui Wang, Jin-Dong Fu, Jing-Ying Liu, Ai-Guo Yan, Yan-Yan Guan
The aim of this study was to identify a microRNA (miRNA) expression signature for predicting HCC (hepatocellular carcinoma) survival. A total of 322 HCC patients in The Cancer Genome Atlas (TCGA) database were randomly divided into training and testing set. miRNAs, associated with survival time in the training set, were identified by using univariate Cox regression analysis. The risk score was formulated based on the expression levels of these miRNAs. Then the miRNA signature was validated in testing set through Kaplan-Meier analysis and log-rank test...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28430371/evaluation-of-circulating-zonulin-as-a-potential-marker-in-the-pathogenesis-of-nonalcoholic-fatty-liver-disease
#3
Olfat M Hendy, Maha M Elsabaawy, Mona M Aref, Fatma M Khalaf, Abdel Moaty A Oda, Helmy M El Shazly
Nonalcoholic fatty liver disease (NAFLD) is a spectrum of liver disorders ranging from simple hepatic steatosis up to nonalcoholic steatohepatitis (NASH) evolving to cirrhosis and hepatocellular carcinoma (HCC). Liver biopsy is still the gold standard modality for diagnosing and staging NAFLD. The linkage between intestinal microbiota and NAFLD, might suggest a potential role of serum zonulin in NAFLD diagnosis. To appraise the role of circulating zonulin in NAFLD pathogenesis, 56 subjects with proved NAFLD by ultrasonography and liver biopsy, as well as 20 healthy controls were tested...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28418177/erdheim-chester-disease-with-unusual-clinicopathological-features-complicated-by-dress-syndrome-disseminated-cytomegalovirus-infection-and-hemophagocytic-lymphohistiocytosis
#4
LETTER
Balan Louis Gaspar, Rakesh Kumar Vasishta, Reena Das, Ashish Bhalla
No abstract text is available yet for this article.
April 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28418096/expression-of-toll-like-receptors-in-t-lymphocytes-stimulated-with-n-3-oxododecanoyl-l-homoserine-lactone-from-pseudomonas-aeruginosa
#5
Lei Bao, Jialin Yu, Haiying Zhong, Daochao Huang, Qi Lu
The establishment of chronic Pseudomonas aeruginosa infections is correlated with the disturbance of the host immune system. The P. aeruginosa quorum-sensing molecule N-3-(oxododecanoyl)-L-homoserine lactone (3-O-C12-HSL) has the potential to modulate the host immune system. The immune system recognizes pathogens via toll-like receptors (TLRs). We found that 3-O-C12-HSL induced TLR changes in monocytes. However, the role of T cells in P. aeruginosa infection has not been delineated. In order to understand this activity, we examined whether 3-O-C12-HSL has an effect on the immune function and the expression of TLRs in T lymphocytes...
April 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28418081/assessment-of-biofilm-removal-capacity-of-a-broad-host-range-bacteriophage-jhp-against-pseudomonas-aeruginosa
#6
Muafia Shafique, Iqbal Ahmad Alvi, Zaigham Abbas, Shafiq Ur Rehman
Pseudomonas aeruginosa is an efficient biofilm-dwelling microbial pathogen, associated with nosocomial infections. These biofilm-associated infections are resistant to antibiotics and immune defenses, therefore pose major problem against their treatment. This scenario demands alternative therapeutic regimens, and bacteriophage therapy is one among potential strategies for clinical management of multiple drug resistance. In this investigation, the efficacy of a bacteriophage, JHP, is evaluated to eradicate P...
April 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28418077/therapeutic-protein-deimmunization-by-t-cell-epitope-removal-antigen-specific-immune-responses-in-vitro-and-in-vivo
#7
Saeme Asgari, Azadeh Ebrahim-Habibi, Mehdi Mahdavi, Mohammad Choopani, Hasan Mirzahoseini
Hirudin III is an effective anti-coagulant; however, in 40% of treated patients, a high-titer of anti-Hirudin III IgG antibodies is observed. Development of antibody responses requires the activation of helper T lymphocyte (HTL), which is dependent on peptide epitopes binding to HLA class II molecules. Based on computational prediction softwares, four new mutants of Hirudin III, T4K, S9G, V21G, and V21K, had been designed with the aim of reducing the binding affinity of these HTL epitopes. The constructed mutants have been purified and assayed for bioactivity...
April 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28370619/chondroid-lipoma-associated-with-osteoclast-like-multinucleated-giant-cells-a-case-report
#8
Mohammed Alyousef, Areej Al Nemer
Chondroid lipoma is a rare soft tissue neoplasm. We report case of chondroid lipoma associated with osteoclast-like multinucleated giant cells. To the best of our knowledge, the presence of these giant cells has not been previously described in the English literature. The recognition of these cells is important and their occurrence in this rare neoplasm should not mislead the pathologist to misdiagnose this entity.
April 3, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28370504/cyp1a1m1-and-cyp2c9-2-and-3-polymorphism-and-risk-to-develop-arv-associated-hepatotoxicity-and-its-severity
#9
HariOm Singh, Sonam Lata, Vijay Nema, Dharmesh Samani, Manisha Ghate, Raman R Gangakhedkar
Non-nucleoside reverse transcriptase inhibitors are metabolized in the liver by cytochrome P450 (CYP) isoenzymes. Variations in the genes encoding these enzymes may influence the activity of corresponding metabolizing enzymes. This study aimed at assessing association of CYP2C9*2 430C/T, CYP2C9*31075A/C, and CYP1A1m1 3801T/C polymorphism with risk to develop ARV Antiretroviral-associated hepatotoxicity and its severity. In this case-control study, genotyping of CYP2C9*2, CYP2C9*3, and CYP1A1m1 genes was done in 34 HIV-infected individuals with hepatotoxicity and 131 without hepatotoxicity, and 153 unrelated healthy individuals using PCR-RFLP...
April 3, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28345781/apoptotic-pathways-of-macrophages-within-osteolytic-interface-membrane-in-periprosthestic-osteolysis-after-total-hip-replacement
#10
Guoyin Liu, Ting Guo, Yong Zhang, Naicheng Liu, Jiangning Chen, Jianmin Chen, Junfeng Zhang, Jianning Zhao
Macrophage apoptosis in interface membrane, which occurs through either death receptor, mitochondrion, or endoplasmic reticulum (ER) stress pathways, has been suggested to play an important role in promoting osteolysis. However, how and why macrophage apoptosis originates and the correlation among these apoptotic pathways is not yet clear. The objective of this study was to identify the apoptotic mechanism of macrophages, and to explore the relationship between the apoptotic pathways and progression of osteolysis...
March 27, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28332248/citrate-attenuates-vascular-calcification-in-chronic-renal-failure-rats
#11
Yan Ou, Zengying Liu, Shuiqin Li, Xiaojing Zhu, Yan Lin, Jin Han, Zhaoyang Duan, Lining Jia, Baosong Gui
Vascular calcification (VC) is a major contributor of cardiovascular dysfunction in chronic renal failure (CRF). Citrate binds calcium and inhibits the growth of calcium crystals. This present study intends to evaluate the effect of citrate on VC in adenine-induced CRF rats. The rats were randomly divided into five groups: the control group, the citrate control group, model group, model rats with low-dose treatment of citrate (216 mg/kg) and model rats with high-dose treatment of citrate (746 mg/kg). The rats were euthanized at 5 weeks with their blood and aorta in detection...
March 23, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28332241/toll-like-receptor-2-arg753gln-and-arg677trp-polymorphisms-and-susceptibility-to-pulmonary-and-peritoneal-tuberculosis
#12
Mohammed A Saleh, Mahmoud M Ramadan, Eman O Arram
Recent evidence suggests that toll-like receptor-2 (TLR2) is important for host defense against Mycobacterium tuberculosis (MTB). TLR2 polymorphisms have shown significant impact on susceptibility or resistance to tuberculosis (TB). This case-control study aims to determine the influence of TLR2 (Arg753Gln and Arg677Trp) polymorphisms on the susceptibility to develop pulmonary or peritoneal TB. Genotyping of TLR2 (Arg753Gln and Arg677Trp) polymorphisms was carried out on 52 patients with pulmonary TB, 44 patients with peritoneal TB, and 50 healthy controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
March 23, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28295672/the-prevalence-of-hpv-infections-in-hpv-vaccinated-women-from-the-general-population
#13
Eva Hamsikova, Jana Smahelova, Viera Ludvikova, Martina Salakova, Jana Rychla, Jana Skrenkova, Lukas Rob, Ruth Tachezy
Currently, three prophylactic HPV vaccines are commercially available to prevent HPV 16/18 infection and associated lesions. The aim of the study was to assess markers of HPV infection in women/girls before vaccination and to ascertain the prevalence and spectrum of post-vaccination HPV types. Three hundred and thirty subjects of which 75 were virgins were enrolled. Before the first dose of the HPV vaccine and 1, 3 and 5 years after the completion of HPV vaccination, the samples for cytology, HPV detection and anti-HPV antibody response were taken...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28295668/dissemination-of-metallo-%C3%AE-lactamase-in-pseudomonas-aeruginosa-isolates-in-egypt-mutation-in-blavim-4
#14
Hany Hashem, Amro Hanora, Salah Abdalla, Alaa Shaeky, Alaa Saad
This study was designed to investigate the prevalence of metallo-β-lactamase (MBL) in Pseudomonas aeruginosa isolates collected from Suez Canal University Hospital in Ismailia, Egypt. Antibiotic susceptibility testing and phenotypic and genotypic screening for MBLs were performed on 147 isolates of P. aeruginosa. MICs were determined by agar dilution method for carbapenem that was ≥2 μg/mL for meropenem. MBL genes were detected by multiplex and monoplex PCR for P. aeruginosa-harbored plasmids. Mutation profile of sequenced MBL genes was screened using online software Clustal Omega...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28295617/carbapenemases-producing-klebsiella-pneumoniae-in-hospitals-of-two-regions-of-southern-italy
#15
Carla Calia, Carlo Pazzani, Marta Oliva, Maria Scrascia, Piero Lovreglio, Carmen Capolongo, Anna Maria Dionisi, Adriana Chiarelli, Rosa Monno
Carbapenem-resistant Klebsiella pneumoniae infections are reported with increasing frequency elsewhere in the world, representing a worrying phenomenon for global health. In Italy, there are hotspot data on the diffusion and type of carbapenemase-producing Enterobacteriaceae and K. pneumoniae in particular, with very few data coming from Apulia and Basilicata, two regions of Southern Italy. This study was aimed at characterizing by phenotypic and genotypic methods carbapenem-resistant K. pneumoniae isolated from several Hospitals of Apulia and Basilicata, Southern Italy...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28294414/evaluation-of-phytochemicals-from-medicinal-plants-of-myrtaceae-family-on-virulence-factor-production-by-pseudomonas-aeruginosa
#16
Khadar Syed Musthafa, Wipawadee Sianglum, Jongkon Saising, Sakkarin Lethongkam, Supayang Piyawan Voravuthikunchai
Virulence factors regulated by quorum sensing (QS) play a critical role in the pathogenesis of an opportunistic human pathogen, Pseudomonas aeruginosa in causing infections to the host. Hence, in the present work, the anti-virulence potential of the medicinal plant extracts and their derived phytochemicals from Myrtaceae family was evaluated against P. aeruginosa. In the preliminary screening of the tested medicinal plant extracts, Syzygium jambos and Syzygium antisepticum demonstrated a maximum inhibition in QS-dependent violacein pigment production by Chromobacterium violaceum DMST 21761...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28294408/tumor-necrosis-factor-%C3%AE-308g-a-and-238g-a-polymorphisms-are-associated-with-increased-risks-of-sepsis-evidence-from-an-updated-meta-analysis
#17
Mu Zhang, Yu Zhao, Qiong Liu
Previous studies have reported the relationship between tumor necrosis factor-α (TNF-α) -308G/A and -238G/A polymorphisms and sepsis risk with inconsistent results. The aim of this study was to estimate the association of the two polymorphisms with risk of sepsis or sepsis-related mortality using a meta-analysis. PubMed, Embase, and Web of Science databases were searched up to June 20 2016. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using fixed or random effect model. Twenty-six studies were included in this meta-analysis...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28256016/circulating-syndecans-during-critical-illness
#18
Axel Nelson, Joakim Johansson, Jonas Tydén, Mikael Bodelsson
Circulating syndecans are proposed to be markers of glycocalyx degradation and previous investigations have found higher plasma levels of syndecan-1 among patients with different pathological conditions. We wanted to investigate if levels of other syndecans (-2,-3 and -4) are altered during critical illness and compare the levels to syndecan-1. In 137 consecutive intensive care unit (ICU) patients with sepsis, cardiac arrest, gastrointestinal bleeding, intoxication or trauma, plasma levels of syndecan-1, -2, -3 and -4 were measured using ELISA...
March 3, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28225209/association-of-the-il-10-receptor-a536g-s138g-loss-of-function-variant-with-multiple-sclerosis-in-tunisian-patients
#19
Nadia Ben Fredj, Mouna Aissi, Walid Ben Selma, Imen Mahmoud, Faten Nefzi, Mahbouba Frih-Ayed, Jalel Boukadida, Mahjoub Aouni
Interleukin-10 (IL-10), a potent anti-inflammatory T-cell cytokine, has been shown to be a regulatory cytokine that is associated with disease remission in multiple sclerosis (MS) and exerts its activity through its cognate cell surface receptor complex, IL-10 receptor 1 (IL-10R1) and IL-10R2. The purpose of this study was to investigate the IL-10R1 S138G loss-of-function polymorphism (A536G: rs3135932) for possible influence on susceptibility and outcome of MS in Tunisian patients. A total of 103 Tunisian MS patients and 160 control subjects were studied...
February 22, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28225151/cytopathologic-differential-diagnosis-of-low-grade-urothelial-carcinoma-and-reactive-urothelial-proliferation-in-bladder-washings-a-logistic-regression-analysis
#20
Ebru Cakir, Ulku Kucuk, Emel Ebru Pala, Ozlem Sezer, Rahmi Gokhan Ekin, Ozgur Cakmak
Conventional cytomorphologic assessment is the first step to establish an accurate diagnosis in urinary cytology. In cytologic preparations, the separation of low-grade urothelial carcinoma (LGUC) from reactive urothelial proliferation (RUP) can be exceedingly difficult. The bladder washing cytologies of 32 LGUC and 29 RUP were reviewed. The cytologic slides were examined for the presence or absence of the 28 cytologic features. The cytologic criteria showing statistical significance in LGUC were increased numbers of monotonous single (non-umbrella) cells, three-dimensional cellular papillary clusters without fibrovascular cores, irregular bordered clusters, atypical single cells, irregular nuclear overlap, cytoplasmic homogeneity, increased N/C ratio, pleomorphism, nuclear border irregularity, nuclear eccentricity, elongated nuclei, and hyperchromasia (p ˂ 0...
February 22, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
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