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https://www.readbyqxmd.com/read/28811899/angiomyofibroblastoma-of-the-vulva-diagnosed-preoperatively-a-case-report
#1
Tadahiro Shoji, Ryosuke Takeshita, Rika Mukaida, Tamotsu Sato, Masami Taguchi, Shunichi Sasou
A 50-year-old woman (gravida 2, para 2) first noticed a small nodule in the right labium majus 2 years prior to the initial visit to the Hachinohe Red Cross Hospital (Hachinohe, Japan), which had gradually increased in size. On physical examination, a well-circumscribed, elastic, firm, goose egg-sized, subcutaneous mass protruding from the right labium majus was identified. On magnetic resonance imaging (MRI), the lesion was hypointense on T1-weighted images and was well-circumscribed, strongly enhanced and homogeneous on gadolinium-enhanced images, measuring 7...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28810923/the-chemokine-fractalkine-cx3cl1-attenuates-h2o2-induced-demyelination-in-cerebellar-slices
#2
Sinead A O'Sullivan, Kumlesh K Dev
BACKGROUND: Fractalkine/CX3CR1 signalling has been implicated in many neurodegenerative and neurological diseases of the central nervous system (CNS). This signalling pathway plays an important role in regulating reactive oxygen species (ROS), as well as itself being altered in conditions of oxidative stress. Here, we investigated the effects of recombinant fractalkine (rCX3CL1) in models of hydrogen peroxide (H2O2)-induced demyelination and astrocyte toxicity, within organotypic cerebellar slice cultures...
August 15, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#3
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28810859/the-presence-of-ovarian-cysts-in-a-captive-antillean-manatee-trichechus-manatus-manatus-l-1758
#4
Karolina Goździewska-Harłajczuk, Joanna Klećkowska-Nawrot, Stanisław Dzimira
BACKGROUND: Several pathological changes associated with reproductive systems of marine mammals have been reported in primary literature. However, no such records exist regarding ovarian cysts in the Antillean manatee (Trichechus manatus manatus L. 1758). CASE PRESENTATION: A nulliparous female Antillean manatee, held in captivity at the Wroclaw Zoological Garden, died in April 2015. The animal was 370 cm long from nose to tail and weighed 670 kg. The width of manatee's fluke was 80 cm...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28810836/suppression-of-agr2-in-a-tgf-%C3%AE-induced-smad-regulatory-pathway-mediates-epithelial-mesenchymal-transition
#5
Lucia Sommerova, Eva Ondrouskova, Borivoj Vojtesek, Roman Hrstka
BACKGROUND: During cancer progression, epithelial cancer cells can be reprogrammed into mesenchymal-like cells with increased migratory potential through the process of epithelial-mesenchymal transition (EMT), representing an essential step of tumor progression towards metastatic state. AGR2 protein was shown to regulate several cancer-associated processes including cellular proliferation, survival and drug resistance. METHODS: The expression of AGR2 was analyzed in cancer cell lines exposed to TGF-β alone or to combined treatment with TGF-β and the Erk1/2 inhibitor PD98059 or the TGF-β receptor specific inhibitor SB431542...
August 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28810656/hypoxia-inducible-factor-1%C3%AE-participates-in-hypoxia-induced-epithelial-mesenchymal-transition-via-response-gene-to-complement-32
#6
Liang Zhu, Qiu Zhao
The aim of the present study was to explore the function of response gene to complement 32 (RGC-32) in hypoxia-induced epithelial-mesenchymal transition (EMT) in pancreatic cancer. Three kinds of hypoxia-inducible factor 1α (HIF-1α) small interfering (si)RNA were synthesized and the different effects on the expression of HIF-1α were detected by western blotting. In human pancreatic cancer BxPC-3 cells, HIF-1α levels were diminished using siRNA transfection or HIF-1α inhibitor pretreatment, and the expression levels of RGC-32 and EMT-associated proteins were analyzed using reverse transcription-quantitative polymerase chain reaction and western blotting...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810650/glutathione-s-transferase-a1-mediates-nicotine-induced-lung-cancer-cell-metastasis-by-promoting-epithelial-mesenchymal-transition
#7
Wei Wang, Feiyu Liu, Chaoyang Wang, Chengde Wang, Yijun Tang, Zhongmin Jiang
The present study aimed to investigate the effect of glutathione S-transferase A1 (GSTA1) on lung cancer cell viability, invasion and adhesion in the presence of nicotine in vitro. Furthermore, the effect of GSTA1 on the epithelial-mesenchymal transition (EMT), a process strongly associated with lung cancer metastasis, was examined. Human lung carcinoma A549 cells were treated with various concentrations of nicotine (0.01, 0.1, 1 and 10 µM) and levels of GSTA1 mRNA and protein were measured by reverse transcription-quantitative polymerase chain reaction and western blot analysis, respectively...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810525/in-vitro-anticancer-activities-of-osthole-against-renal-cell-carcinoma-cells
#8
Lei Liu, Jun Mao, Qifei Wang, Zhiwei Zhang, Guangzhen Wu, Qizhen Tang, Bin Zhao, Lianhong Li, Quanlin Li
Renal cell carcinoma (RCC) is a common urinary malignancy that is resistant to chemotherapy and radiotherapy. Osthole, a monomer compound extracted from a traditional Chinese herb, has potent anti-tumor effects on various types of cancer cells. However, the therapeutic effects of osthole on RCC remain unclear. In our study, osthole could suppress the proliferation and colony formation of two RCC cell lines, ACHN and 786-O cells, in a dose-dependent manner. Treatment with osthole resulted in a significant, dose-dependent increase in the expression of pro-apoptotic proteins (cleaved caspase-3 and Bax) and decreased expression of anti-apoptotic proteins (Bcl-2 and survivin), which were consistent with evidence of apoptotic nuclear morphology revealed by DAPI staining...
August 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28810297/-clinical-and-pathologic-features-of-extrapleural-sarcomatoid-mesothelioma
#9
M C Wei, S J Yang
Objective: To investigate the morphological features, diagnosis and differential diagnosis of extrapleural sarcomatoid malignant mesothelioma (SMM). Methods: Six cases of extrapleural SMM were evaluated for their clinical, histological, immunohistochemical features, and prognosis. Results: Patients included 3 men and 3 women, with a median age of 60 years (range 41-75 years). All patients had no asbestos exposure in history and no pleural lesions. The tumors involved peritoneum (3 cases), bone (2 cases), and neck soft tissue (1 case)...
August 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28808929/high-expression-of-ho-1-predicts-poor-prognosis-of-ovarian-cancer-patients-and-promotes-proliferation-and-aggressiveness-of-ovarian-cancer-cells
#10
Z Zhao, Y Xu, J Lu, J Xue, P Liu
PURPOSE: HO-1 has been proved to be associated with tumor aggressivity and poor prognosis in various cancers. Our study provides the first study to demonstrate the relationship of HO-1 expression and clinical characteristics in ovarian cancer patients. METHODS: Immunohistochemistry and western blotting were used to examine the expression of HO-1 in tissue species and fresh tissues. CCK-8 was used to investigate cell viability. Transwell chamber was performed to estimate migration and invasion capacities in A2780 and Skov-3 cells...
August 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28808307/lc3a-silencing-hinders-aggresome-vimentin-cage-clearance-in-primary-choroid-plexus-carcinoma
#11
Marwa Nassar, Heba Samaha, Myret Ghabriel, Maha Yehia, Hala Taha, Sherin Salem, Khaled Shaaban, Mariam Omar, Nabil Ahmed, Shahenda El-Naggar
Aggresomes are transient microtubule-dependent inclusion bodies that sequester misfolded proteins and are ultimately removed by autophagy. Here we report the generation of a choroid plexus carcinoma cell line; Children's Cancer Hospital Egypt (CCHE)-45, which is characterized by the constitutive formation of aggresomes. When examining the autophagy pathway as the main route for aggresomes clearance, CCHE-45 cells displayed increased autophagy flux mediated by MAP1LC3B. MAP1LC3A-Variant1 gene expression was silenced by promoter methylation...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28806534/knockdown-of-snail-inhibits-epithelial-mesenchymal-transition-of-human-laryngeal-squamous-cell-carcinoma-hep-2-cells-through-vdr-signaling-pathway
#12
Xue Zhao, Dan Yu, Jingpu Yang, Kai Xue, Yan Liu, Chunshun Jin
It has been well-documented that Snail plays a decisive role in various tumors. However, the direct effect of Snail on laryngeal squamous cell carcinoma (LSCC) has not been elaborated. In this study, we firstly detected the expression of Snail in 14 samples of patients with LSCC and found that its content was high in cancer tissues compared with adjacent tissues. Then we established LSCC Hep-2 cells with Snail silencing and validated the knockdown efficiency by western blotting and real-time PCR. Results showed that silencing of Snail significantly inhibited the ability of adhesion, migration, and invasion of Hep-2 cells...
August 14, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28806498/pacinian-corpuscles-in-human-lymph-nodes
#13
J Feito, J L Cobo, A Santos-Briz, J A Vega
The occurrence of Pacinian corpuscles associated to lymph nodes is an anatomical rarity and very scarce information exists in this regard. Here we examined immunohistochemically four Pacinian corpuscles found in the close vicinity of the hiliar blood vessels of lymph nodes (2 cervical, 1 axillary, and 1 inguinal) during routine surgical pathology. Pacinian corpuscles were normally arranged and displayed a pattern of protein distribution as follows: the axon was positive for neurofilament proteins and neuron specific enolase, the inner core cells showed intense S100 protein and vimentin immunostaining while they were negative for glial fibrillary acidic protein, type IV collagen and glucose transporter 1; vimentin, type IV collagen, and glucose transporter 1 were also observed also in the outer-core and the capsule...
August 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28804564/incrna-h19-promotes-tongue-squamous-cell-carcinoma-progression-through-%C3%AE-catenin-gsk3%C3%AE-emt-signaling-via-association-with-ezh2
#14
Da-Ming Zhang, Zhao-Yu Lin, Zhao-Hui Yang, You-Yuan Wang, Di Wan, Jiang-Long Zhong, Pei-Lin Zhuang, Zhi-Quan Huang, Bin Zhou, Wei-Liang Chen
H19 is involved in tumor metastasis and associated with tumor progression. Enhancer of zest homolog 2 (EZH2) is overexpressed in multiple cancer types and correlates with tumor proliferation, epithelial-mesenchymal transition, and poor prognosis. However, the interaction between H19 and EZH2 to promote tongue squamous cell carcinoma (TSCC) progression remains largely uncharacterized. Insitu hybridization and quantitative reverse-transcription PCR (qRT-PCR) were performed to measure H19 expression in primary TSCC and adjacent normal tissues and cell lines...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804222/chemical-chaperone-of-endoplasmic-reticulum-stress-inhibits-epithelial-mesenchymal-transition-induced-by-tgf-%C3%AE-1-in-airway-epithelium-via-the-c-src-pathway
#15
Heung-Man Lee, Ju-Hyung Kang, Jae-Min Shin, Seoung-Ae Lee, Il-Ho Park
Epithelial-mesenchymal transition (EMT) is a biological process that allows epithelial cells to assume a mesenchymal cell phenotype. EMT is considered as a therapeutic target for several persistent inflammatory airway diseases related to tissue remodeling. Herein, we investigated the role of endoplasmic reticulum (ER) stress and c-Src in TGF-β1-induced EMT. A549 cells, primary nasal epithelial cells (PNECs), and inferior nasal turbinate organ cultures were exposed to 4-phenylbutylic acid (4PBA) or PP2 and then stimulated with TGF-β1...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28803991/dhea-increases-epithelial-markers-and-decreases-mesenchymal-proteins-in-breast-cancer-cells-and-reduces-xenograft-growth
#16
Zaira Colín-Val, Viridiana Yazmín González-Puertos, Criselda Mendoza-Milla, Erika Olivia Gómez, Claudia Huesca-Gómez, Rebeca López-Marure
Breast cancer is one of the most common neoplasias and the leading cause of cancer death in women worldwide. Its high mortality rate is linked to a great metastatic capacity associated with the epithelial-mesenchymal transition (EMT). During this process, a decrease in epithelial proteins expression and an increase of mesenchymal proteins are observed. On the other hand, it has been shown that dehydroepiandrosterone (DHEA), the most abundant steroid in human plasma, inhibits migration of breast cancer cells; however, the underlying mechanisms have not been elucidated...
August 10, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28803608/identification-of-simvastatin-regulated-targets-associated-with-jnk-activation-in-du145-human-prostate-cancer-cell-death-signaling
#17
Eun Joo Jung, Ky Hyun Chung, Choong Won Kim
In this study, our results showed that the c-Jun N-terminal kinase (JNK) activation was associated with the enhancement of docetaxel-induced cytotoxicity by simvastatin in DU145 human prostate cancer cells. To better understand the basic molecular mechanisms, we investigated simvastatin-regulated targets during simvastatin-induced cell death in DU145 cells using two-dimensional (2D) proteomic analysis. Thus, vimentin, Ras-related protein Rab-1B (RAB1B), cytoplasmic hydroxymethylglutaryl-CoA synthase (cHMGCS), thioredoxin domain-containing protein 5 (TXNDC5), heterogeneous nuclear ribonucleoprotein K (hnRNP K), N-myc downstream-regulated gene 1 (NDRG1) and isopentenyl-diphosphate Delta-isomerase 1 (IDI1) protein spots were identified as simvastatin-regulated targets involved in DU145 cell death signaling pathways...
August 11, 2017: BMB Reports
https://www.readbyqxmd.com/read/28802099/cancer-associated-fibroblasts-autophagy-enhances-progression-of-triple-negative-breast-cancer-cells
#18
Mengchuan Wang, Jian Zhang, Yizhe Huang, Shufeng Ji, Guoli Shao, Shaobo Feng, Danxun Chen, Kankan Zhao, Zixiang Wang, Aiguo Wu
BACKGROUND Cancer-associated fibroblasts (CAFs) are key factors in malignant tumor initiation, progression, and metastasis. However, the effect of CAFs autophagy on triple-negative breast cancer (TNBC) cells is not clear. In this study, the growth effect of TNBC cells regulated by CAFs autophagy was evaluated. MATERIAL AND METHODS CAFs were obtained from invasive TNBC tumors and identified by Western blot and immunofluorescence staining assay. CAFs were co-cultured with TNBC cells, and migration and invasion were evaluated by Matrigel-coated Transwell and Transwell inserts...
August 12, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28801561/inflammation-mediated-sod-2-upregulation-contributes-to-epithelial-mesenchymal-transition-and-migration-of-tumor-cells-in-aflatoxin-g1-induced-lung-adenocarcinoma
#19
Li Yi, Haitao Shen, Mei Zhao, Peilu Shao, Chunping Liu, Jinfeng Cui, Juan Wang, Can Wang, Ningfei Guo, Lifei Kang, Ping Lv, Lingxiao Xing, Xianghong Zhang
Tumor-associated inflammation plays a critical role in facilitating tumor growth, invasion and metastasis. Our previous study showed Aflatoxin G1 (AFG1) could induce lung adenocarcinoma in mice. Chronic lung inflammation associated with superoxide dismutase (SOD)-2 upregulation was found in the lung carcinogenesis. However, it is unclear whether tumor-associated inflammation mediates SOD-2 to contribute to cell invasion in AFG1-induced lung adenocarcinoma. Here, we found increased SOD-2 expression associated with vimentin, α-SMA, Twist1, and MMP upregulation in AFG1-induced lung adenocarcinoma...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801345/molecular-basis-for-increased-susceptibility-of-indigenous-north-americans-to-seropositive-rheumatoid-arthritis
#20
Stephen W Scally, Soi-Cheng Law, Yi Tian Ting, Jurgen van Heemst, Jeremy Sokolove, Aaron J Deutsch, E Bridie Clemens, Antonis K Moustakas, George K Papadopoulos, Diane van der Woude, Irene Smolik, Carol A Hitchon, David B Robinson, Elizabeth D Ferucci, Charles N Bernstein, Xiaobo Meng, Vidyanand Anaparti, Tom Huizinga, Katherine Kedzierska, Hugh H Reid, Soumya Raychaudhuri, René E Toes, Jamie Rossjohn, Hani El-Gabalawy, Ranjeny Thomas
OBJECTIVE: The pathogenetic mechanisms by which HLA-DRB1 alleles are associated with anticitrullinated peptide antibody (ACPA)-positive rheumatoid arthritis (RA) are incompletely understood. RA high-risk HLA-DRB1 alleles are known to share a common motif, the 'shared susceptibility epitope (SE)'. Here, the electropositive P4 pocket of HLA-DRB1 accommodates self-peptide residues containing citrulline but not arginine. HLA-DRB1 His/Phe13β stratifies with ACPA-positive RA, while His13βSer polymorphisms stratify with ACPA-negative RA and RA protection...
August 11, 2017: Annals of the Rheumatic Diseases
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