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https://www.readbyqxmd.com/read/28090518/clinical-characteristics-and-molecular-pathology-of-skull-ectopic-thyroid-cancer
#1
Longxing Cao, Zhongyong Wang, Jiawei Ma, Jinsheng Chen, Haojiang Zhu, Xiaohua Zhou, Qing Zhu, Jun Dong, Qing Lan, Qiang Huang
Thyroid cancer is very common, but skull ectopic thyroid cancer has not been reported in 50 years of literatures in foreign countries. There are only four cases of the skull ectopic thyroid cancer reported in more than 30 years of domestic literature including the cases in this report. This paper aims to investigate the clinical characteristics and possible molecular mechanisms of this rare disease. Five keywords of "thyroid gland", "ectopic thyroid", "thyroid cancer", "ectopic thyroid cancer" and "metastatic thyroid cancer" were included and 50 years of literatures in the PubMed-MEDLINE and Wanfang database were reviewed...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28086917/resveratrol-regulates-neuro-inflammation-and-induces-adaptive-immunity-in-alzheimer-s-disease
#2
Charbel Moussa, Michaeline Hebron, Xu Huang, Jaeil Ahn, Robert A Rissman, Paul S Aisen, R Scott Turner
BACKGROUND: Treatment of mild-moderate Alzheimer's disease (AD) subjects (N = 119) for 52 weeks with the SIRT1 activator resveratrol (up to 1 g by mouth twice daily) attenuates progressive declines in CSF Aβ40 levels and activities of daily living (ADL) scores. METHODS: For this retrospective study, we examined banked CSF and plasma samples from a subset of AD subjects with CSF Aβ42 <600 ng/ml (biomarker-confirmed AD) at baseline (N = 19 resveratrol-treated and N = 19 placebo-treated)...
January 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28086769/effect-of-ginseng-extract-on-the-tgf-%C3%AE-1-signaling-pathway-in-ccl4-induced-liver-fibrosis-in-rats
#3
Mohamed M Hafez, Sherifa S Hamed, Manal F El-Khadragy, Zeinab K Hassan, Salim S Al Rejaie, Mohamed M Sayed-Ahmed, Naif O Al-Harbi, Khalid A Al-Hosaini, Mohamed M Al-Harbi, Ali R Alhoshani, Othman A Al-Shabanah, Shakir Dekhal Alsharari
BACKGROUND: Liver diseases are major global health problems. Ginseng extract has antioxidant, immune-modulatory and anti-inflammatory activities. This study investigated the effect of ginseng extract on carbon tetrachloride (CCl4)-induced liver fibrosis in rats. METHODS: Male Wistar rats were divided into four groups: control group, ginseng group, CCl4 group and CCl4 + ginseng group. Liver injury was induced by the intraperitoneal (I.P) injection of 3 ml/kg CCl4 (30% in olive oil) weekly for 8 weeks...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28075464/downregulation-of-the-n-myc-downstream-regulated-gene-1-is-related-to-enhanced-proliferation-invasion-and-migration-of-pancreatic-cancer
#4
Gang Cen, Kundong Zhang, Jun Cao, Zhengjun Qiu
The N-myc downstream regulated gene 1 (NDRG1) is differently expressed in human malignancies according to the tumor type. We investigated the expression of NDRG1 in pancreatic cancer tissues and cell lines as well as how it affects tumor growth, invasion and migration in pancreatic cancer cells. Experimental groups included NDRG1 overexpression and knockdown pancreatic cancer cell lines. Lentivirus-based empty vector transfected cells (NC group) were considered control groups. Proliferation, invasion and migration related proteins such as STAT3, MMPs, PTEN, PI3K/AKT were assessed by CCK-8, Transwell assay and western blotting...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28053109/matrix-metalloproteinase-activity-in-infections-by-an-encephalitic-virus-mouse-adenovirus-type-1
#5
Shanna L Ashley, Carla D Pretto, Matthew T Stier, Padma Kadiyala, Luiza Castro-Jorge, Tien-Huei Hsu, Robert Doherty, Kelly E Carnahan, Maria G Castro, Pedro R Lowenstein, Katherine R Spindler
: Mouse adenovirus type 1 (MAV-1) infection causes encephalitis in susceptible strains of mice and alters the permeability of infected brains to small molecules, which indicates disruption of the blood-brain barrier (BBB). In pathologic conditions, matrix metalloproteinases (MMPs) can disrupt the BBB through their proteolytic activity on basement membrane and tight junction proteins. We examined whether MAV-1 infection alters MMP activity in vivo and in vitro. Infected MAV-1-susceptible SJL mice had higher MMP2 and MMP9 activity in brains, measured by gelatin zymography, than mock infected mice...
January 4, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28053001/cancer-cachexia-differentially-regulates-visceral-adipose-tissue-turnover
#6
Felipe de Oliveira Franco, Magno Alves Lopes, Felipe Dos Santos Henriques, Rodrigo X Neves, Cesário Bianchi Filho, Miguel Luiz Batista Júnior
Cancer cachexia (CC) is a progressive metabolic syndrome that is marked by severe body weight loss. Metabolic disarrangement of fat tissues is a very early event in CC, followed by adipose tissue (AT) atrophy and remodelling. However, there is little information regarding the possible involvement of cellular turnover in this process. Thus, we evaluated the effect of CC on AT turnover of mesenteric (ME) and retroperitoneal (RP) AT depots as possible factors that contribute to AT atrophy. CC was induced by a subcutaneous injection of Walker tumour cells (2x10(7)) in Wistar rats...
January 4, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28052725/paracrine-activity-from-adipose-derived-stem-cells-on-in-vitro-wound-healing-in-human-tympanic-membrane-keratinocytes
#7
Huan Ting Ong, Sharon Redmond, Robert Marano, Marcus Atlas, Magnus von Unge, Peder Aabel, Rodney J Dilley
Stem cell therapies for tympanic membrane repair have shown initial experimental success using mesenchymal stem cells in rat models to promote healing, however the mechanisms providing this benefit are not known. We investigated in vitro the paracrine effects of human adipose-derived stem cells (ADSC) on wound healing mechanisms for human tympanic membrane-derived keratinocytes (hTM) and immortalised human keratinocytes (HaCat). ADSC conditioned media (CMADSC) were assessed for paracrine activity on keratinocyte proliferation and migration, with hypoxic conditions for ADSC culture used to generate contrasting effects on cytokine gene expression...
January 4, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28049091/taspine-derivative-12k-suppressed-a549-cell-migration-through-the-wnt-%C3%AE-catenin-and-ephrinb2-signaling-pathway
#8
Bingling Dai, Yujiao Ma, Tianfeng Yang, Wenjie Wang, Yanmin Zhang
12k, a taspine derivative, has been demonstrated to have the potent anti-tumor activity in lung cancer and colorectal cancer. The study aims to further explore the underlying mechanisms of 12k on A549 cell migration in vitro. Our data demonstrated that 12k negatively regulated Wnt signaling pathway by suppressing the phosphorylation of LRP5/6, and inhibiting the expression and nuclear translocation of β-catenin. 12k was shown to downregulate MMP3 and MMP7 expression which regulated by β-catenin interacts with TCF/LEF in the nucleus, and effectively impaired the related migration protein expression of MMP2 and MMP9 in A549 cells...
December 31, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28045923/germline-genetic-variants-in-tek-angpt1-angpt2-mmp9-fgf2-and-vegfa-are-associated-with-pathologic-complete-response-to-bevacizumab-in-breast-cancer-patients
#9
Issam Makhoul, Valentina K Todorova, Eric R Siegel, Stephen W Erickson, Ishwori Dhakal, Vinay R Raj, Jeannette Y Lee, Mohammed S Orloff, Robert J Griffin, Ronda S Henry-Tillman, Suzanne Klimberg, Laura F Hutchins, Susan A Kadlubar
BACKGROUND: We previously reported improved pathologic complete response (pCR) in a prospective phase II study using neoadjuvant bevacizumab in combination with chemotherapy compared to chemotherapy alone in breast cancer patients (41% vs. 25%, p = 0.0291). In this study, we queried germline single-nucleotide polymorphisms (SNPs) in angiogenesis-related genes for their impact on pCR and overall survival (OS). METHODS: DNA for genotyping was available from 34 subjects who received bevacizumab in addition to chemotherapy and 29 subjects who did not...
2017: PloS One
https://www.readbyqxmd.com/read/28045438/d11-mediated-inhibition-of-protein-kinase-ck2-impairs-hif-1%C3%AE-mediated-signaling-in-human-glioblastoma-cells
#10
Susanne Schaefer, Tina H Svenstrup, Mette Fischer, Barbara Guerra
Compelling evidence indicates that protein kinase CK2 plays an important role in many steps of cancer initiation and progression, therefore, the development of effective and cell-permeable inhibitors targeting this kinase has become an important objective for the treatment of a variety of cancer types including glioblastoma. We have recently identified 1,3-dichloro-6-[(E)-((4-methoxyphenyl)imino)methyl]dibenzo(b,d)furan-2,7-diol (D11) as a potent and selective inhibitor of protein kinase CK2. In this study, we have further characterized this compound and demonstrated that it suppresses CK2 kinase activity by mixed type inhibition (KI 7...
January 1, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28045061/feature-selection-and-classification-of-urinary-mrna-microarray-data-by-iterative-random-forest-to-diagnose-renal-fibrosis-a-two-stage-study
#11
Le-Ting Zhou, Yu-Han Cao, Lin-Li Lv, Kun-Ling Ma, Ping-Sheng Chen, Hai-Feng Ni, Xiang-Dong Lei, Bi-Cheng Liu
Renal fibrosis is a common pathological pathway of progressive chronic kidney disease (CKD). However, kidney function parameters are suboptimal for detecting early fibrosis, and therefore, novel biomarkers are urgently needed. We designed a 2-stage study and constructed a targeted microarray to detect urinary mRNAs of CKD patients with renal biopsy and healthy participants. We analysed the microarray data by an iterative random forest method to select candidate biomarkers and produce a more accurate classifier of renal fibrosis...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28036297/c-jun-n-terminal-phosphorylation-regulates-dnmt1-expression-and-genome-wide-methylation-in-gliomas
#12
Dieter H Heiland, Roberto Ferrarese, Rainer Claus, Fangping Dai, Anie P Masilamani, Eva Kling, Astrid Weyerbrock, Teresia Kling, Sven Nelander, Maria S Carro
High-grade gliomas (HGG) are the most common brain tumors, with an average survival time of 14 months. A glioma-CpG island methylator phenotype (G-CIMP), associated with better clinical outcome, has been described in low and high-grade gliomas. Mutation of IDH1 is known to drive the G-CIMP status. In some cases, however, the hypermethylation phenotype is independent of IDH1 mutation, suggesting the involvement of other mechanisms. Here, we demonstrate that DNMT1 expression is higher in low-grade gliomas compared to glioblastomas and correlates with phosphorylated c-Jun...
December 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035725/cyclophosphamide-promotes-breast-cancer-cell-migration-through-cxcr4-and-matrix-metalloproteinases
#13
Chao-Ming Hung, Yi-Chiang Hsu, Tzu-Yu Chen, Chi-Chang Chang, Mon-Juan Lee
Cyclophosphamide is indicated for the treatment of cancerous diseases such as breast cancer and cervical cancer. Recent studies have shown that cyclophosphamide may induce cancer metastasis, but the cause of this unexpected adverse effect is not fully understood. In this study, we investigate the effect of cyclophosphamide on cancer cell migration, and its correlation to chemokine (C-X-C motif) receptor 4 (CXCR4), a biomarker for cancer metastasis. Two human cancer cell lines with significant difference in endogenous CXCR4 expression, the breast cancer cell line, MDA-MB-231, and the melanoma cell line, MDAMB- 435S, were treated with various concentrations of cyclophosphamide, followed by the assessment of CXCR4 expression and cell migration...
December 29, 2016: Cell Biology International
https://www.readbyqxmd.com/read/28035062/positive-feedback-loop-of-il-1%C3%AE-akt-rar%C3%AE-akt-signaling-mediates-oncogenic-property-of-rar%C3%AE-in-gastric-carcinoma
#14
Hong-Yue Ren, Fan Liu, Gui-Li Huang, Yu Liu, Jin-Xing Shen, Pan Zhou, Wen-Ming Liu, Dong-Yan Shen
Abnormal expression and function of retinoic acid receptor α (RARα) have been reported to be associated with various cancers including acute promyelocytic leukemia and hepatocellular carcinoma. However, the role and the mechanism of RARα in gastric carcinoma (GC) were unknown. Here, the expression of RARα was frequently elevated in human GC tissues and cell lines, and its overexpression was closely correlated with tumor size, lymph node metastasis and clinical stages in GC patients. Moreover, RARα overexpression was related with pathological differentiation...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28028180/dissecting-the-process-of-activation-of-cancer-promoting-zinc-requiring-ectoenzymes-by-zinc-metalation-mediated-by-znt-transporters
#15
Tokuji Tsuji, Yayoi Kurokawa, Johanna Chiche, Jacques Pouyssegur, Hiroshi Sato, Hideya Fukuzawa, Masaya Nagao, Taiho Kambe
Zinc-requiring ectoenzymes, including both secreted and membrane-bound enzymes, are considered to capture zinc in their active site for their activation in the early secretory pathway. This idea has been confirmed by our studies conducted using tissue nonspecific alkaline phosphatase (TNAP), which is elaborately activated by means of a two-step mechanism by Zn transporter 5 (ZnT5)-ZnT6 heterodimers and ZnT7 homodimers, through protein stabilization followed by enzyme activation with zinc in the early secretory pathway...
December 27, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28010124/validation-of-a-protein-panel-for-the-non-invasive-detection-of-recurrent-non-muscle-invasive-bladder-cancer
#16
Selma Gogalic, Ursula Sauer, Sara Doppler, Andreas Heinzel, Paul Perco, Arno Lukas, Guy Simpson, Hardev Pandha, Andras Horvath, Claudia Preininger
CONTEXT: 50-70% of patients with non-muscle invasive bladder cancer (NMIBC) experience relapse of disease. OBJECTIVE: To establish a panel of protein biomarkers incorporated in a multiplexed microarray (BCa chip) and a classifier for diagnosing recurrent NMIBC. MATERIALS AND METHODS: Urine samples from 45 patients were tested. Diagnostic performance was evaluated by receiver operating characteristic (ROC) analysis. RESULTS: A multi biomarker panel (ECadh, IL8, MMP9, EN2, VEGF, past recurrences, BCG therapies, stage at diagnosis) was identified yielding an area under the curve of 0...
December 23, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28007652/characteristics-of-sulfasalazine-induced-cytotoxicity-in-c6-rat-glioma-cells
#17
Raffaela Silvestre Ignarro, Gustavo Facchini, Daniela Rodrigues de Melo, Karin Juliane Pelizzaro-Rocha, Carmen Veríssima Ferreira, Roger Frigério Castilho, Fabio Rogerio
Glioblastoma is the most aggressive primary brain tumor. Surgical resection, radiotherapy and temozolomide (TMZ), an alkylating agent, is the standard of care. Glioma cells may synthetize the antioxidant glutathione by importing cystine through a cystine/glutamate antiporter, which is inhibited by sulfasalazine (SAS). C6 rat glioma cells are largely used in in vitro and in vivo models for developing new glioblastoma treatment strategies. We treated C6 cells with 25μM TMZ and/or 0.25mM or 0.5mM SAS for 1, 3 or 5days and evaluated viability, apoptosis, total glutathione levels and metalloproteinase MMP2 and MMP9 activities...
December 19, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28004797/acute-transcriptional-up-regulation-specific-to-osteoblasts-osteoclasts-in-medaka-fish-immediately-after-exposure-to-microgravity
#18
Masahiro Chatani, Hiroya Morimoto, Kazuhiro Takeyama, Akiko Mantoku, Naoki Tanigawa, Koji Kubota, Hiromi Suzuki, Satoko Uchida, Fumiaki Tanigaki, Masaki Shirakawa, Oleg Gusev, Vladimir Sychev, Yoshiro Takano, Takehiko Itoh, Akira Kudo
Bone loss is a serious problem in spaceflight; however, the initial action of microgravity has not been identified. To examine this action, we performed live-imaging of animals during a space mission followed by transcriptome analysis using medaka transgenic lines expressing osteoblast and osteoclast-specific promoter-driven GFP and DsRed. In live-imaging for osteoblasts, the intensity of osterix- or osteocalcin-DsRed fluorescence in pharyngeal bones was significantly enhanced 1 day after launch; and this enhancement continued for 8 or 5 days...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28002595/matrix-metalloproteinase-gene-polymorphisms-and-susceptibility-to-systemic-sclerosis
#19
T F Rech, S B C Moraes, M Bredemeier, J de Paoli, J C T Brenol, R M Xavier, J A B Chies, D Simon
The major pathological hallmark of the systemic sclerosis (SSc) is skin and internal organ fibrosis, which results from normal tissue architecture alterations and extracellular matrix (ECM) protein deposition. ECM components are degraded by matrix metalloproteinases (MMP). Promoter region polymorphisms in MMP genes may influence gene expression, resulting in an imbalance between ECM protein production and degradation. Here, we analyzed MMP1 -1607 1G/2G (rs1799750), MMP3 -1171 5A/6A (rs3025058), and MMP9 -1562 C/T (rs3918242) polymorphisms in relation to susceptibility to SSc and its clinical features...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28000897/bortezomib-induces-apoptosis-and-suppresses-cell-growth-and-metastasis-by-inactivation-of-stat3-signaling-in-chondrosarcoma
#20
Xing Bao, Tingting Ren, Yi Huang, Chongmin Ren, Kang Yang, Hongliang Zhang, Wei Guo
Bortezomib, formerly known as PS341, is a novel proteasome inhibitor with in vitro and in vivo antineoplastic effects in many malignancies. However, diverse antitumor mechanisms of bortezomib have been identified in many investigations and preclinical studies. Understanding the molecular and cellular mechanisms through which bortezomib acts will improve the therapeutic utility of this drug in different cancer types. In the present study, we investigated the in vitro and in vivo effects of bortezomib on chondrosarcoma...
February 2017: International Journal of Oncology
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