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APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica

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https://www.readbyqxmd.com/read/28612378/trichomonas-vaginalis-is-very-rare-among-women-with-vaginal-discharge-in-podlaskie-province-poland
#1
Agnieszka Beata Serwin, Violetta Bulhak-Koziol, Marianna Sokolowska, Daniel Golparian, Magnus Unemo
Trichomonas vaginalis is the most common curable sexually transmitted pathogen globally. However, in the European Union (EU), trichomoniasis appears to be a rare condition. The aim of this study was to examine the prevalence of T. vaginalis among females attending an STI centre in Bialystok, Poland, using the highly sensitive and specific APTIMA T. vaginalis assay. Consecutive females, referred by gynaecologists mainly because of abnormal vaginal discharge, were diagnosed using wet mount microscopy, culture and APTIMA T...
June 14, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28612350/blood-donor-borrelia-burgdorferi-sensu-lato-seroprevalence-and-history-of-tick-bites-at-a-northern-limit-of-the-vector-distribution
#2
Dag Hvidsten, Liisa Mortensen, Bjørn Straume, Mirjana Grujic Arsenovic, Anne-Berit Pedersen, Gro Lyngås, Jeremy S Gray, Nils Grude
In order to study the antibody seroprevalence of the causal agent of Lyme borreliosis, Borrelia burgdorferi sensu lato (s.l.), and the history of tick bites at a geographical distribution limit of Ixodes ricinus, we compared healthy blood donors in geographically extreme regions: the borreliosis-endemic Vestfold County (59°N) and the region of northern Norway. Blood samples were screened using IgG/VlsE ELISA, and positive/borderline samples were confirmed using C6 ELISA and immunoblot assays. Also, donors completed a questionnaire consisting of several items including the places they have lived, and whether they owned any pets...
June 14, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28586148/use-of-the-optical-disector-in-canine-mammary-simple-and-complex-carcinomas
#3
Marta Santos, Patrícia Dias-Pereira, Carla Correia-Gomes, Ricardo Marcos, Augusto de Matos, Eduardo Rocha, Carlos Lopes
Grading of canine mammary carcinomas (CMC) is associated to subjective assessments made by the pathologists. Due to its unbiased nature, stereology can be used to objectively quantify morphological parameters associated with grading and malignancy. However, the use of stereology in CMC has not been fully disclosed. The nuclear numerical density [NV (nuclei, tumor)] is a cellularity-associated parameter that can be estimated by the optical disector. Herein, it was estimated in 44 CMC and its association with clinicopathologic factors - such as tumor size, histological subtype and grade, vascular/lymph node invasion, nuclear pleomorphism, and survival - was evaluated...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28586118/a-dna-hypermethylation-profile-reveals-new-potential-biomarkers-for-the-evaluation-of-prognosis-in-urothelial-bladder-cancer
#4
Jose I López, Javier C Angulo, Ana Martín, Manuel Sánchez-Chapado, Ana González-Corpas, Begoña Colás, Santiago Ropero
DNA hypermethylation has emerged as a molecular biomarker for the evaluation of cancer diagnosis and prognosis. We define a methylation signature of bladder cancer and evaluate whether this profile assesses prognosis of patients. Genome-wide methylation analysis was performed on 70 tumor and 10 normal bladder samples. Hypermethylation status of 1505 CpGs present in the promoter region of 807 genes was studied. Thirty-three genes were significantly hypermethylated in ≥10% of the tumors. Three clusters of patients were characterized by their DNA methylation profile, one at higher risk of dead of disease (p = 0...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28585395/epithelial-mesenchymal-transition-markers-in-malignant-ovarian-germ-cell-tumors
#5
Olesya Solheim, Mette Førsund, Claes G Tropé, Sigrid Marie Kraggerud, Jahn M Nesland, Ben Davidson
The purpose of this study was to determine the expression and potential clinical role of epithelial-to-mesenchymal transition (EMT)-related factors in malignant ovarian germ cell tumors (MOGCT). Protein expression of E-cadherin, N-cadherin, P-cadherin, Zeb1, HMGA2, and vimentin by immunohistochemistry was analyzed in 42 MOGCT from patients treated in Norway during the period 1981-2001. Expression was analyzed for association with clinicopathologic parameters. E-cadherin (p = 0.016) and HMGA2 (p = 0.002) expression was significantly higher in immature teratomas and yolk sac tumors compared with dysgerminomas...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28585332/inadequate-adherence-to-swedish-guidelines-for-uncomplicated-lower-urinary-tract-infections-among-adults-in-general-practice
#6
Heidi Lindbäck, Johan Lindbäck, Åsa Melhus
In a primary care study of urinary tract infections (UTIs) performed 2008 in Uppsala County, Sweden, 43% of the patients were culture negative. In order to investigate the background to the observed overdiagnosis of UTI, study invitations were sent to the previously included patients. A total of 256 patients (88% women) approved to participate. Patient charts and recorded laboratory data were reviewed. Two or more of the cardinal symptoms were reported in 53% of the women and in 19% of the men. A dipstick test was performed in 93% of the consultations...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28585306/circulation-and-diagnostics-of-puumala-virus-in-norway-nephropatia-epidemica-incidence-and-rodent-population-dynamics
#7
Natacha Milhano, Lars Korslund, Magnus Evander, Clas Ahlm, Kirsti Vainio, Susanne G Dudman, Åshild Andreassen
Hantaviruses pose a public health concern worldwide causing haemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS). Puumala virus (PUUV) is the most prevalent hantavirus in Central and Northern Europe, and causes a mild form of HFRS, also known as nephropathia epidemica (NE). In nature, the main host of PUUV is the bank vole (Myodes glareolus), and transmission to humans occurs through inhalation of aerosols from rodent excreta. Nephropathia epidemica is particularly prevalent in Nordic countries, however, few studies of PUUV have been performed in Norway...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28585251/tfe3-rearranged-hepatic-epithelioid-hemangioendothelioma-a-case-report-with-immunohistochemical-and-molecular-study
#8
Fang-Ying Kuo, Hsuan-Ying Huang, Chao-Long Chen, Hock-Liew Eng, Chao-Cheng Huang
A recurrent YAP1-TFE3 gene fusion has been identified in WWTR1-CAMTA1-negative epithelioid hemangioendotheliomas arising in soft tissue, bone, and lung, but not in liver. We present the first case of TFE3-rearranged hepatic epithelioid hemangioendothelioma in a 39-year-old Taiwanese woman. Computed tomography scan revealed multifocal, ill-defined nodules involving both hepatic lobes. She then underwent deceased donor liver transplantation. Histologically, the tumors in the liver explant showed a biphasic growth pattern...
June 6, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28556956/prognostic-value-of-p21-activated-kinase-4-in-resected-pancreatic-cancer
#9
Sehhoon Park, Jin Won Kim, Haeryoung Kim, Ji-Won Kim, Yu Jung Kim, Keun-Wook Lee, Jee Hyun Kim, Jai Hwan Kim, Jin-Hyeok Hwang, Young Rok Choi, Jai Young Cho, Yoo-Seok Yoon, Ho-Seong Han
Resectable pancreatic cancer has a high recurrence rate after curative surgery. Biomarkers are needed for distinguishing patients who may benefit from curative resection. In this study, we sought to analyze the prognostic value of p21-activated kinase 1 (PAK1), p21-activated kinase 4 (PAK4), human equilibrative nucleoside transporter 1 (hENT1), and thymidylate synthase (TS) in surgically resected pancreatic ductal adenocarcinomas. A total of 160 pancreatic cancer patients who underwent surgery with curative intent were retrospectively reviewed...
May 30, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28544145/nut-carcinoma-presenting-in-the-palate-a-case-report
#10
Libana Raffoul Bjornstrup, Jesper Reibel, Katalin Kiss, Morten Schioedt
NUT carcinomas (NC) are rare and aggressive tumours characterized by chromosomal rearrangements of the gene encoding for nuclear protein of the testis (NUT) located on chromosome 15q14. This article presents a case of a 60-year-old woman diagnosed with NC presenting as a fast growing primary tumour in the right palate. Further evaluation revealed a tumour mass in the lungs and widespread metastases. A review of the literature did not reveal earlier cases presenting in the palate. In order to improve early diagnosis it is suggested to perform immunohistochemical testing for NUT in all poorly differentiated carcinomas without glandular differentiation arising in the chest, and head and neck (Clin Cancer Res, 18, 2012, 5773)...
May 25, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28543911/polymorphism-of-tlr5-rs5744174-is-associated-with-disease-progression-in-chinese-patients-with-chronic-hbv-infection
#11
Lina Cao, Tong Zhang, Junping Zhu, Aixin Li, Kai Zheng, Nan Zhang, Bin Su, Wei Xia, Hao Wu, Ning Li, Qiushui He
Toll-like receptors (TLRs) play a crucial role in innate and adaptive immunity, protecting the host from viral pathogens. Studies have implicated that TLR5 is associated with various diseases such as autoimmune and inflammation related diseases. However, little is known about the relationship between TLR5 and hepatitis B virus (HBV) infection. We studied the effect of TLR5 gene polymorphisms on susceptibility to and disease progression of chronic hepatitis B (CHB) infection in Chinese. Blood samples were taken from 636 patients with CHB, HBV-related liver cirrhosis (LC) or hepatocellular carcinoma (HCC) and 273 controls...
May 25, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28543860/a-unique-case-of-bilateral-ovarian-splenosis-and-review-of-the-literature
#12
Maria Giulia Disanto, Francesca Mercalli, Andrea Palicelli, Alberto Arnulfo, Renzo Boldorini
Splenosis is an acquired anomaly related to heterotopic auto-transplantation of splenic tissue following abdominal trauma or splenectomy. We report the first definitive bilateral ovarian case in a 65-year-old woman who underwent splenectomy following a motor vehicle accident 44 years prior to presentation. We review the literature and discuss the main differential diagnoses. Gross examination revealed a 1-cm well-circumscribed dark nodule on the surface of each ovary. Paraffin-embedded, formalin-fixed blocks were sectioned and stained with hematoxylin-eosin and immunostains (CK5/6, Calretinin, WT1, Vimentin)...
May 25, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28543600/liposomes-or-traditional-adjuvants-induction-of-bactericidal-activity-by-the-macrophage-infectivity-potentiator-protein-mip-of-neisseria-meningitidis
#13
Liliana Costoya, Juan Marzoa, Carlos Ferreirós, Maria Teresa Criado
Currently, one of the main approaches to achieve a vaccine for serogroup B Neisseria meningitidis is based on outer membrane proteins with low antigenic variability among strains. Since these proteins tend to be minor components of the outer membrane, recombinant production is required to obtain them in sufficient amounts for evaluation and development of vaccines. In this study, we analysed the ability of recombinant macrophage infectivity potentiator (rMip) protein to induce protective bactericidal activity in mice...
May 25, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28517553/ifi16-reduced-expression-is-correlated-with-unfavorable-outcome-in-chronic-lymphocytic-leukemia
#14
Pier Paolo Piccaluga, Claudio Agostinelli, Simona Righi, Maria Ciccone, Maria Carla Re, Giuseppina Musumeci, Erica Diani, Caterina Signoretto, Isabella Bon, Ottavio Piccin, Antonio Cuneo, Claudio Tripodo, Cristina Ponti, Donato Zipeto, Santo Landolfo, Davide Gibellini
Chronic lymphocytic leukemia (CLL) is the most common leukemia in adults. Its clinical course is typically indolent; however, based on a series of pathobiological, clinical, genetic, and phenotypic parameters, patient survival varies from less than 5 to more than 20 years. In this paper, we show for the first time that the expression of the interferon-inducible DNA sensor IFI16, a member of the PYHIN protein family involved in proliferation inhibition and apoptosis regulation, is associated with the clinical outcome in CLL...
May 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28493520/hbv-specific-cd4-cytotoxic-t-cells-in-hepatocellular-carcinoma-are-less-cytolytic-toward-tumor-cells-and-suppress-cd8-t-cell-mediated-antitumor-immunity
#15
Fanzhi Meng, Shoumei Zhen, Bin Song
In East Asia and sub-Saharan Africa, chronic infection is the main cause of the development of hepatocellular carcinoma, an aggressive cancer with low survival rate. Cytotoxic T cell-based immunotherapy is a promising treatment strategy. Here, we investigated the possibility of using HBV-specific CD4(+) cytotoxic T cells to eliminate tumor cells. The naturally occurring HBV-specific cytotoxic CD4(+) and CD8(+) T cells were identified by HBV peptide pool stimulation. We found that in HBV-induced hepatocellular carcinoma patients, the HBV-specific cytotoxic CD4(+) T cells and cytotoxic CD8(+) T cells were present at similar numbers...
May 11, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28493494/stat3-promotes-bone-fracture-healing-by-enhancing-the-foxp3-expression-and-the-suppressive-function-of-regulatory-t-cells
#16
Guojing Sun, Zhen Wang, Yunfan Ti, Yicun Wang, Jun Wang, Jianning Zhao, Hongbo Qian
Signal transducer and activator of transcription 3 (STAT3) is a key signaling protein in the skeletal system as well as in the immune system. Accumulating evidence demonstrates that the inflammatory response is deeply involved in the healing process of bone fractures, but how the immune system is regulated during this process is unclear. In this study, we examined STAT3-mediated regulation of immunity in adult patients with closed tibia fracture. In all patients, the expression and activation of STAT3 peaked at around day 7 to day 14 after surgery, and gradually decreased during the rest of the healing period...
May 11, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28493410/expression-and-prognostic-significance-of-programmed-death-protein-1-and-programmed-death-ligand-1-and-cytotoxic-t-lymphocyte-associated-molecule-4-in-hepatocellular-carcinoma
#17
Hyeyoon Chang, Wonkyung Jung, Aeree Kim, Han Kyeom Kim, Wan Bae Kim, Ji Hoon Kim, Baek-Hui Kim
Hepatocellular carcinoma (HCC) is one of the most common malignancies and causes of death worldwide. In this study, we assessed the correlation between clinicopathologic factors with programmed cell death protein 1 (PD-1) and programmed cell death ligand-1 (PD-L1), and cytotoxic T lymphocyte-associated molecule-4 (CTLA-4) expressions. Furthermore, we analyzed the prognostic significance of these proteins in a subgroup of patients. We retrospectively evaluated the PD-1, PD-L1, and CTLA-4 expressions in 294 HCC tissue microarray samples using immunohistochemistry...
May 11, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28493367/granulocyte-macrophage-colony-stimulating-factor-a-potent-adjuvant-for-polarization-to-th-17-pattern-an-experience-on-hiv-1-vaccine-model
#18
Mehdi Mahdavi, Amir Hossein Tajik, Massoumeh Ebtekar, Roghieh Rahimi, Mohammad Mehdi Adibzadeh, Hamid Reza Moozarmpour, Mohammad Sadegh Beikverdi, Soophie Olfat, Zuhair Mohammad Hassan, Mohammad Choopani, Morteza Kameli, Christine Hartoonian
Cytokines are mediators for polarization of immune response in vaccines. Studies show that co-immunization of DNA vaccines with granulocyte-macrophage colony-stimulating factor (GM-CSF) can increase immune responses. Here, experimental mice were immunized with HIV-1tat/pol/gag/env DNA vaccine with GM-CSF and boosted with recombinant vaccine. Lymphocyte proliferation with Brdu and CTL activity, IL-4, IFN-γ, IL-17 cytokines, total antibody, and IgG1 and IgG2a isotypes were assessed with ELISA. Results show that GM-CSF as adjuvant in DNA immunization significantly increased lymphocyte proliferation and IFN-γ cytokines, but CTL response was tiny increased...
May 11, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28452074/clinicopathologic-features-and-immunohistochemical-spectrum-of-11-cases-of-epithelioid-malignant-peripheral-nerve-sheath-tumors-including-ini1-smarcb1-results-and-braf-v600e-analysis
#19
Bharat Rekhi, Kemal Kosemehmetoglu, Gaye Guler Tezel, Sergulen Dervisoglu
Epithelioid malignant peripheral nerve sheath tumor (MPNST) is a rare, relatively less chemosensitive sarcoma. We report clinicopathologic features of 11 epithelioid MPNSTs, including rare forms, along with INI1 immunostaining and BRAF V600E mutation results. BRAF V600E mutation was tested by Real-time polymerase chain reaction (PCR) technique. Eleven tumors occurred in six men and five women (M:F ratio = 0.85:1) within an age range of 5-73 years (average = 44), mostly in lower limbs (five), followed by upper limbs (four)...
April 27, 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
#20
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
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