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Analytical Cellular Pathology (Amsterdam)

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https://www.readbyqxmd.com/read/29888170/anticancer-effects-of-dihydroartemisinin-on-human-esophageal-cancer-cells-in-vivo
#1
Cailing Jiang, Shumin Li, Yanjing Li, Yuxian Bai
Despite recent advances in chemotherapy and surgical resection, the 5-year survival rate of esophageal cancer still remains at the low level. Therefore, it is very important to discover a new agent to improve the life expectancy of patients with esophageal cancer. Dihydroartemisinin (DHA), a semisynthetic derivative of artemisinin, has recently exhibited promising anticancer activity against various cancer cells. But so far, the specific mechanism remains unclear. We have previously demonstrated that DHA reduced viability of esophageal cancer cells in a dose-dependent manner in vitro and induced cell cycle arrest and apoptosis...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29854578/overexpression-of-the-oncogenic-variant-klf6-sv1-in-young-npc-patients-and-correlation-with-lack-of-e-cadherin
#2
Saoussen Debouki-Joudi, Sonia Mhirsi, Nehla Mokni-Baizig, Nihel Ammous-Boukhris, Hayet Mhamdi, Said Gritli, Raja Mokdad Gargouri, Mohamed Nejib Marzouki
Purpose: The transcription factor Krüppel-like factor 6 (KLF6) regulates various cellular functions, such as metabolism, cell proliferation, and differentiation. KLF6 plays a key role in the development and progression of multiple human cancers. Methods: Fifty primary biopsies and 10 normal nasopharyngeal mucosae were used to analyze by RT-QPCR the expression and the copy number of wtKLF6 and the spliced variants (KLF6-SV1, KLF6-SV2, and KLF6-SV3) in Tunisian patients with nasopharyngeal carcinoma...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29854577/the-possible-mechanisms-of-hsv-tk-hyperthermia-combined-with-131i-antiafpmcab-gcv-nanospheres-to-treat-hepatoma
#3
Mei Lin, Chenglin Zhou, Junxing Huang, Weizhong Tian, Hong Yu, Xingmao Jiang, Jun Ye, Ting Guo, Yujuan Shi, Yanhong Xiao, Xuefeng Bian, Xiaoqian Feng
Our previous findings showed a good therapeutic effect of the combination of suicide gene HSV-TK, nuclide 131I, and magnetic fluid hyperthermia (MFH) on hepatoma by using magnetic nanoparticles as linkers, far better than any monotherapy involved, with no adverse effects. This combination therapy might be an eligible strategy to treat hepatic cancer. However, it is not clear how the combination regimen took the therapeutic effects. In the current study, to explore the possible mechanisms of radionuclide-gene therapy combined with MFH to treat hepatoma at tissue, cellular, and molecular levels and to provide theoretical and experimental data for its clinical application, we examined the apoptosis induction of the combination therapy and investigated the expression of the proteins related to apoptosis such as survivin, livin, bcl-2, p53, and nucleus protein Ki67 involved in cell proliferation, detected VEGF, and MVD involved in angiogenesis of tumor tissues and analyzed the pathologic changes after treatment...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29854576/-tremella-fuciformis-polysaccharides-attenuate-oxidative-stress-and-inflammation-in-macrophages-through-mir-155
#4
Yang Ruan, Hong Li, Lianmei Pu, Tao Shen, Zening Jin
Aim: To investigate the function of Tremella fuciformis polysaccharides (TFPS) in LPS-induced inflammation and oxidative stress of macrophages. Methods: RAW264.7 cells were pretreated with TFPS and then stimulated with 0.1  μ g/ml LPS. NF κ B, Akt, p38MAPK, MCP-1, and SOD-1 were analyzed by Western blotting. Cell viability was measured using MTT assays. Reactive oxygen species (ROS) production, real-time PCR, ELISA, and immunofluorescence staining were performed on RAW264...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29854575/the-role-of-immune-defects-and-colonization-of-staphylococcus-aureus-in-the-pathogenesis-of-atopic-dermatitis
#5
REVIEW
Danuta Nowicka, Ewelina Grywalska
Atopic dermatitis (AD) is a condition with a complex and not fully understood etiology. In patients with AD, acute skin lesions are colonized by a greater number of Staphylococcus aureus ( S. aureus ) bacteria than chronic lesions, clinically unchanged atopic skin, or the skin of healthy people. Mechanisms promoting skin colonization by S. aureus include complex interactions among several factors. Apart from increased adhesion of S. aureus in atopic skin, defects of the innate immune response resulting in the lack of restriction of the growth of microorganisms also contribute to susceptibility to colonization by and infection with S...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29850393/differences-in-e-cadherin-and-syndecan-1-expression-in-different-types-of-ameloblastomas
#6
Ramón G Carreón-Burciaga, Rogelio González-González, Nelly Molina-Frechero, Sandra López-Verdín, Vanesa Pereira-Prado, Ronell Bologna-Molina
Ameloblastomas are a group of benign, locally aggressive, recurrent tumors characterized by their slow and infiltrative growth. E-Cadherin and syndecan-1 are cell adhesion molecules related to the behavior of various tumors, including ameloblastomas. Ninety-nine ameloblastoma samples were studied; the expression of E-cadherin and syndecan-1 were evaluated by immunohistochemistry. E-Cadherin and epithelial syndecan-1 were more highly expressed in intraluminal/luminal unicystic ameloblastoma than in mural unicystic ameloblastoma and solid/multicystic ameloblastoma, whereas the stromal expression of syndecan-1 was higher in mural unicystic ameloblastoma and solid/multicystic ameloblastoma...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29850392/stromal-caveolin-1-and-caveolin-2-expression-in-primary-tumors-and-lymph-node-metastases
#7
Wladimir Gerstenberger, Michaela Wrage, Eeva Kettunen, Klaus Pantel, Sisko Anttila, Stefan Steurer, Harriet Wikman
The expression of caveolin-1 (CAV1) in both tumor cell and cancer-associated fibroblasts (CAFs) has been found to correlate with tumor aggressiveness in different epithelial tumor entities, whereas less is known for caveolin-2 (CAV2). The aim of this study was to investigate the clinicopathological significance and prognostic value of stromal CAV1 and CAV2 expression in lung cancer. The expression of these two genes was investigated at protein level on a tissue microarray (TMA) consisting of 161 primary tumor samples...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29850391/biochemical-and-ultrastructural-cardiac-changes-induced-by-high-fat-diet-in-female-and-male-prepubertal-rabbits
#8
Dina Sibouakaz, Khira Othmani-Mecif, Amirouche Fernane, Abdennour Taghlit, Yasmina Benazzoug
Early weight gain induced by high-fat diet has been identified as a predictor for cardiac disease, one of the most serious public health problems. Our goal is to study the influence of a HFD on biochemical, oxidant stress parameters, and the cardiac ultrastructure in both male and female prepubertal models. Experiments were carried on 24 prepubertal New Zealand white rabbits, randomly assigned to male and female control (MC and FC, resp.) or HFD (MHFD and FHFD, resp.) groups ( n = 6) for 3 months. Body and heart weights and some biochemical and oxidative stress parameters such as lipids, calcium, CKMB, MDA, uric acid, ascorbic acid, and AOA are evaluated in plasma and the left ventricle...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29850390/angiodrastic-chemokines-in-colorectal-cancer-clinicopathological-correlations
#9
George Emmanouil, George Ayiomamitis, Adamantia Zizi-Sermpetzoglou, Maria Tzardi, Andrew Moursellas, Argyro Voumvouraki, Elias Kouroumalis
Aim: To study the expression of angiodrastic chemokines in colorectal tumors and correlate findings with clinicopathological parameters and survival. Methods: The proangiogenic factor VEGF, the angiogenic chemokines CXCL8 and CXCL6, and the angiostatic chemokine CXCL4 were measured by ELISA in tumor and normal tissue of 35 stage II and III patients and correlated with the histopathology markers Ki67, p53, p21, bcl2, EGFR, and MLH1 and 5-year survival. The Wilcoxon and chi-square tests were used for statistical comparisons...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29785357/prognostic-significance-of-cyclins-a2-b1-d1-and-e1-and-ccnd1-numerical-aberrations-in-oral-squamous-cell-carcinomas
#10
Luís Silva Monteiro, Márcio Diniz-Freitas, Saman Warnakulasuriya, Tomás Garcia-Caballero, Jerónimo Forteza-Vila, Máximo Fraga
We analysed the expression of cyclins A2, B1, D1, and E1 by immunohistochemistry and numerical aberrations in CCND1 gene by fluorescence in situ hybridization technique in 67 primary oral squamous cell carcinomas (OSCC). Cyclin A2 expression was observed in 54 (83.1%) tumours, cyclin D1 in 58 (89.2%), cyclin B1 in 39 (60%), and cyclin E in 21 (32.8%). CCND1 region analysis revealed 26 (43.3%) tumours with the presence of numerical aberrations which were correlated with cyclin D1 high expression (Rho = 0...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29755929/high-pinch1-expression-in-human-laryngeal-carcinoma-associates-with-poor-prognosis
#11
Georgios Tsinias, Sofia Nikou, Theodoros Papadas, Panagiotis Pitsos, Helen Papadaki, Vasiliki Bravou
Focal adhesion signaling to actin cytoskeleton is critically implicated in cell migration and cancer invasion and metastasis. Actin-binding proteins cofilin and N-WASP regulate actin filament turnover, and focal adhesion proteins parvins and PINCH mediate integrin signaling to the actin cytoskeleton. Altered expression of these proteins has been implicated in human cancer. This study addresses their expression and prognostic significance in human laryngeal carcinoma. Protein expressions of cofilin, N-WASP, α -parvin, β -parvin, and PINCH1 were examined by immunohistochemistry in 72 human laryngeal squamous cell carcinomas...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29736365/parity-dependent-hemosiderin-and-lipofuscin-accumulation-in-the-reproductively-aged-mouse-ovary
#12
Ulises Urzua, Carlos Chacon, Renato Espinoza, Sebastián Martínez, Nicole Hernandez
The progressive decline of the ovarian follicle pool leads to reproductive ageing. The latter is accompanied by age-related disorders, including various types of cancer. In fact, the highest rates of ovarian cancer (OC) occur at postmenopause while OC risk is significantly modulated by parity records during previous fertile life. We approached the age-parity relationship in the C57BL/6 mouse model and herein describe the presence of nonheme iron (hemosiderin) and deposits of the "age pigment" lipofuscin in reproductively aged mouse ovaries by applying conventional histochemical methods and autofluorescence...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29713583/identification-of-malignancy-associated-changes-in-histologically-normal-tumor-adjacent-epithelium-of-patients-with-hpv-positive-oropharyngeal-cancer
#13
James Jabalee, Anita Carraro, Tony Ng, Eitan Prisman, Cathie Garnis, Martial Guillaud
The incidence of HPV-positive oropharyngeal cancer (HPV+ OPC) is increasing, thus presenting new challenges for disease detection and management. Noninvasive methods involving brush biopsies of diseased tissues were recently reported as insufficient for tumor detection in HPV+ OPC patients, likely due to differences between the site of tumor initiation at the base of involuted crypts and the site of brush biopsy at the crypt surface. We hypothesized that histologically normal surface epithelial cells in the oropharynx contain changes in nuclear morphology that arise due to tumor proximity...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29707475/liquid-biopsy-in-rare-cancers-lessons-from-hemangiopericytoma
#14
Chiara Nicolazzo, Luciano Colangelo, Alessandro Corsi, Guido Carpino, Angela Gradilone, Chiara Sonato, Cristina Raimondi, Eugenio Gaudio, Paola Gazzaniga, Walter Gianni
Hemangiopericytoma (HPT) is a rare mesenchymal tumor of fibroblastic type and for its rarity is poorly studied. The most common sites of metastatic disease in patients with intracranial HPT are the bone, liver, and lung, suggestive for an hematogenous dissemination; for this reason, we investigated, for the first time, the presence of circulating tumor cells (CTCs) in hemangiopericytoma patient by CellSearch® and SceenCell® devices. Peripheral blood samples were drawn and processed by CellSearch, an EpCAM-dependent device, and ScreenCell®, a device size based...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29686962/microrna-378-promotes-osteogenesis-angiogenesis-coupling-in-bmmscs-for-potential-bone-regeneration
#15
Bo Zhang, Yali Li, Yang Yu, Jinlong Zhao, Yangzhen Ou, Yu Chao, Binhui Yang, Xiaorui Yu
Bone tissue regeneration was closely associated with osteogenesis and angiogenesis. The harmonious regulation of osteogenetic and angiogenic growth factors would enhance bone regeneration, while the imbalance of that would lead to local excessive bone formation or vascular mass due to exogenous delivery. Therefore, microRNA is believed to regulate multiple metabolism progress through endogenous signaling pathways on the gene level. In this work, we identified microRNA 378 as a positive regulator of osteogenesis and angiogenesis simultaneously and also observed an increase of microRNA 378 than control in human bone marrow mesenchymal stem cells (hBMMSCs) after osteoblast induction...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29682444/molecular-detection-of-emt-markers-in-circulating-tumor-cells-from-metastatic-non-small-cell-lung-cancer-patients-potential-role-in-clinical-practice
#16
Annalisa Milano, Francesca Mazzetta, Sabatino Valente, Danilo Ranieri, Laura Leone, Andrea Botticelli, Concetta Elisa Onesti, Salvatore Lauro, Salvatore Raffa, Maria Rosaria Torrisi, Paolo Marchetti
Background: Non-small cell lung cancer (NSCLC) is the most common cause of cancer-related mortality; nevertheless, there are few data regarding detection of circulating tumor cells (CTCs) in NSCLC, compared to other kinds of cancers in which their prognostic roles have already been defined. This difference is likely due to detection methods based on the epithelial marker expression which ignore CTCs undergoing epithelial-mesenchymal transition (CTCsEMT ). Methods: After optimization of the test with spiking experiments of A549 cells undergoing TGF- β 1-induced EMT (A549EMT ), the CTCsEMT were enriched by immunomagnetic depletion of leukocytes and then characterized by a RT-PCR assay based on the retrieval of epithelial and EMT-related genes...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29666781/role-of-muramyl-dipeptide-in-lipopolysaccharide-mediated-biological-activity-and-osteoclast-activity
#17
REVIEW
Hideki Kitaura, Masahiko Ishida, Keisuke Kimura, Haruki Sugisawa, Akiko Kishikawa, Kazuhiro Shima, Saika Ogawa, Jiawei Qi, Wei-Ren Shen
Lipopolysaccharide (LPS) is an endotoxin and bacterial cell wall component that is capable of inducing inflammation and immunological activity. Muramyl dipeptide (MDP), the minimal essential structural unit responsible for the immunological activity of peptidoglycans, is another inflammation-inducing molecule that is ubiquitously expressed by bacteria. Several studies have shown that inflammation-related biological activities were synergistically induced by interactions between LPS and MDP. MDP synergistically enhances production of proinflammatory cytokines that are induced by LPS exposure...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29552454/phytochemical-screening-and-biological-activity-of-mentha-%C3%A3-piperita-l-and-lavandula-angustifolia-mill-extracts
#18
Ersilia Alexa, Corina Danciu, Isidora Radulov, Diana Obistioiu, Renata Maria Sumalan, Adriana Morar, Cristina Adriana Dehelean
The present study aimed to investigate the phytochemical composition of Mentha  ×  piperita L. (MP) and Lavandula angustifolia Mill. (LA) extracts in terms of hydroxycinnamic acid (HCAs) content, in particular, caffeic (CA), p-cumaric (CU), ferulic (FE), and rosmarinic (RS) acids using LC-MS. Also, the in vitro antimicrobial effect against Staphylococcus aureus and the antiproliferative activity against two cancerous cell lines (A375 and MDA-MB-231) using the MTT assay were tested. The extracts were prepared using aromatic water which resulted from the extraction of oils from plants as extraction medium, with/without acid...
2018: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29410945/mesenchymal-stem-cells-as-new-therapeutic-agents-for-the-treatment-of-primary-biliary-cholangitis
#19
REVIEW
Aleksandar Arsenijevic, C Randall Harrell, Crissy Fellabaum, Vladislav Volarevic
Primary biliary cholangitis (PBC) is a chronic autoimmune cholestatic liver disease characterized by the progressive destruction of small- and medium-sized intrahepatic bile ducts with resultant cholestasis and progressive fibrosis. Ursodeoxycholic acid and obethicholic acid are the only agents approved by the US Food and Drug Administration (FDA) for the treatment of PBC. However, for patients with advanced, end-stage PBC, liver transplantation is still the most effective treatment. Accordingly, the alternative approaches, such as mesenchymal stem cell (MSC) transplantation, have been suggested as an effective alternative therapy for these patients...
2017: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/29147638/a-sensitive-and-rapid-method-for-detecting-formaldehyde-in-brain-tissues
#20
Xiangpei Yue, Yaoyue Zhang, Wen Xing, Yutong Chen, Chenyang Mu, Zhan Miao, Peichun Ge, Tingting Li, Rongqiao He, Zhiqian Tong
The existing methods for detecting formaldehyde (FA) in brain samples are expensive and require sophisticated experimental procedures. Here, we established a highly sensitive and selective spectrophotometric method, which is based on a reaction in which FA reacts with colorless reagent 4-amino-3-penten-2-one (Fluoral-P) to produce a yellow compound, 3,5-diacetyl-1,4-dihydrolutidine (DDL), which can be detected by a spectrophotometer at 420 nm at room temperature. The sensitive response time point was found to be at the first hour, and the optimal pH of derivative reaction was pH 6...
2017: Analytical Cellular Pathology (Amsterdam)
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