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https://www.readbyqxmd.com/read/28426124/propofol-suppresses-lps-induced-nuclear-accumulation-of-hif-1%C3%AE-and-tumor-aggressiveness-in-non-small-cell-lung-cancer
#1
Nengli Yang, Yafeng Liang, Pei Yang, Fuhai Ji
Tumor hypoxia has been recognized as a characteristic of the tumor microenvironment and promotes metastasis in a variety of types of cancer. However, in lung cancer, the role of hypoxia-inducible factor 1α (HIF-1α) in modulating the cellular response to the inflammation-related microenvironment remains unclear. In the present study, enhanced expression of HIF-1α accompanied by an increased ROS level was observed in lipopolysaccharide (LPS)-stimulated non-small cell lung cancer (NSCLC) cells. In addition, propofol, a general anesthetic, was found to significantly reduce the LPS-induced upregulation of HIF-1α and ROS in a dose-dependent manner...
March 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28423650/mir-425-5p-promotes-invasion-and-metastasis-of-hepatocellular-carcinoma-cells-through-scai-mediated-dysregulation-of-multiple-signaling-pathways
#2
Feng Fang, Tianqiang Song, Ti Zhang, Yunlong Cui, Gewen Zhang, Qingqing Xiong
MicroRNAs (miRNAs) play critical roles in hepatocellular carcinoma (HCC) progression and are key determinants of prognosis. In this study, we found that miR-425-5p was elevated in HCC and correlated with poor prognostic clinicopathological features and low post-operative long-term survival. Multivariate survival analysis indicated that miR-425-5p expression was an independent risk factor for overall and disease-free survival. Interestingly, miR-425-5p promoted invasion and metastasis by HCC cells, but not HCC cell proliferation or apoptosis in vitro...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423603/adipose-derived-mesenchymal-stem-cells-promote-osteosarcoma-proliferation-and-metastasis-by-activating-the-stat3-pathway
#3
Yan Wang, Yijing Chu, Bin Yue, Xuexiao Ma, Guoqing Zhang, Hongfei Xiang, Yong Liu, Tianrui Wang, Xiaolin Wu, Bohua Chen
Osteosarcoma is the most common primary bone malignancy in children and young adults, but the role of adipose-derived mesenchymal stem cells (ADSCs) in the rapid progression of osteosarcoma is still unclear. Here, we found that ADSCs promoted tumour growth and invasion by increasing matrix metalloproteinase 2/9 (MMP2/9) expression in tumour cells. The persistent activation of signal transducer and activator of transcription 3 (STAT3) has been shown to directly promote tumour growth by mediating a wide spectrum of cellular responses, and STAT3 activation was detected in osteosarcoma cells co-cultured with ADSCs or treated with ADSC-conditioned medium...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423001/pre-hatching-embryo-dependent-and-independent-programming-of-endometrial-function-in-cattle
#4
Mariana Sponchiado, Nathália Souza Gomes, Patrícia Kubo Fontes, Thiago Martins, Maite Del Collado, Athos de Assumpção Pastore, Guilherme Pugliesi, Marcelo Fábio Gouveia Nogueira, Mario Binelli
The bovine pre-implantation embryo secretes bioactive molecules from early development stages, but effects on endometrial function are reported to start only after elongation. Here, we interrogated spatially defined regions of the endometrium transcriptome for responses to a day 7 embryo in vivo. We hypothesize that exposure to an embryo changes the abundance of specific transcripts in the cranial region of the pregnant uterine horn. Endometrium was collected from the uterotubal junction (UTJ), anterior (IA), medial (IM) and posterior (IP) regions of the uterine horn ipsilateral to the CL 7 days after estrus from sham-inseminated (Con) or artificially inseminated, confirmed pregnant (Preg) cows...
2017: PloS One
https://www.readbyqxmd.com/read/28418925/syntenin-promotes-vegf-induced-vegfr2-endocytosis-and-angiogenesis-by-increasing-ephrin-b2-function-in-endothelial-cells
#5
Nara Tae, Suhyun Lee, Okwha Kim, Juhee Park, Sunghun Na, Jeong-Hyung Lee
Syntenin, a tandem PDZ-domain-containing scaffold protein, is involved in the regulation of diverse biological functions, including protein trafficking, exosome biogenesis, and cancer metastasis. Here, we present the first study to explore the significance of syntenin in endothelial cells. Syntenin knockdown in human umbilical vein endothelial cells (HUVECs) impaired vascular endothelial growth factor (VEGF)-mediated proliferation, migration, invasion, vascular permeability, and nitric oxide (NO) production...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416284/distinct-roles-for-matrix-metalloproteinases-2-and-9-in-embryonic-hematopoietic-stem-cell-emergence-migration-and-niche-colonization
#6
Lindsay N Theodore, Elliott J Hagedorn, Mauricio Cortes, Kelsey Natsuhara, Sarah Y Liu, Julie R Perlin, Song Yang, Madeleine L Daily, Leonard I Zon, Trista E North
Hematopoietic stem/progenitor cells (HSPCs) are formed during ontogeny from hemogenic endothelium in the ventral wall of the dorsal aorta (VDA). Critically, the cellular mechanism(s) allowing HSPC egress and migration to secondary niches are incompletely understood. Matrix metalloproteinases (MMPs) are inflammation-responsive proteins that regulate extracellular matrix (ECM) remodeling, cellular interactions, and signaling. Here, inhibition of vascular-associated Mmp2 function caused accumulation of fibronectin-rich ECM, retention of runx1/cmyb(+) HSPCs in the VDA, and delayed caudal hematopoietic tissue (CHT) colonization; these defects were absent in fibronectin mutants, indicating that Mmp2 facilitates endothelial-to-hematopoietic transition via ECM remodeling...
April 12, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28415829/association-between-alcohol-induced-osteonecrosis-of-femoral-head-and-risk-variants-of-mmps-in-han-population-based-on-a-case-control-study
#7
Jianzhong Wang, Xugang Shi, Hua Yang, Jieli Du, Yongri Ouyang, Hong Wang, Tianbo Jin, Chao Chen
The study aimed to evaluate the association between MMP gene superfamily and alcohol-induced osteonecrosis of femoral head (alcohol-induced ONFH) risk given its high prevalence, poor therapeutic effect, and serious clinical prognosis. 308 subjects (mean age, 49.47 years; males, 64.0%) who participated in our control group and 300 alcohol-induced ONFH patients (mean age, 43.29 years; males, 99.7%) formed the case group was enrolled to estimate by statistical analysis. We selected 23 single nucleotide polymorphisms (SNPs) from MMPs, and performed the chi-squared test, Fisher's exact test, t-test and genetic model analyses...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408751/mmp9-integrates-multiple-immunoregulatory-pathways-that-discriminate-high-suppressive-activity-of-human-mesenchymal-stem-cells
#8
Carolina Lavini-Ramos, Hernandez Moura Silva, Alessandra Soares-Schanoski, Sandra Maria Monteiro, Ludmila Rodrigues Pinto Ferreira, Ana Paula Pacanaro, Samirah Gomes, Janaína Batista, Kellen Faé, Jorge Kalil, Verônica Coelho
The mechanisms underlying mesenchymal stem cells' (MSC) suppressive potency are largely unknown. We here show that highly suppressive human adipose tissue-derived MSC (AdMSC) display and induce a differential immunologic profile, upon ongoing AdMSC suppressive activity, promoting: (i) early correlated inhibition of IFN-γ and TNF-α production, along IL-10 increase, (ii) CD73(+)Foxp3(+)Treg subset expansion, and (iii) specific correlations between gene expression increases, such as: MMP9 correlated with CCL22, TNF, FASL, RUNX3, and SEMAD4 in AdMSC and, in T cells, MMP9 upregulation correlated with CCR4, IL4 and TBX21, among others, whereas MMP2 correlated with BCL2 and LRRC31...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28405006/the-adjuvant-value-of-andrographis-paniculata-in-metastatic-esophageal-cancer-treatment-from-preclinical-perspectives
#9
Lin Li, Grace Gar-Lee Yue, Julia Kin-Ming Lee, Eric Chun-Wai Wong, Kwok-Pui Fung, Jun Yu, Clara Bik-San Lau, Philip Wai-Yan Chiu
Esophageal cancer (EC) is the fourth and sixth leading cause of cancer-related deaths in China and United States, respectively. The dismal prognosis of EC is mainly attributed to distant metastases, which may not be overcome by chemotherapy alone. Hence, the use of alternative adjuvant treatments, such as herbal medicines, for metastatic EC remains a great desire of patients. Our previous study demonstrated the in vivo anti-tumor and in vitro anti-invasion activities of Andrographis paniculata (AP) in esophageal cancer...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28402926/curcumin-exhibits-anti-tumor-effect-and-attenuates-cellular-migration-via-slit-2-mediated-down-regulation-of-sdf-1-and-cxcr4-in-endometrial-adenocarcinoma-cells
#10
Vijay Kumar Sirohi, Pooja Popli, Pushplata Sankhwar, Jyoti Bala Kaushal, Kanchan Gupta, Murli Manohar, Anila Dwivedi
Although curcumin shows anti-proliferative and anti-inflammatory activities in various cancers, the effect of curcumin on cellular migration in endometrial adenocarcinoma cells remains to be understood. The current investigation was aimed to explore the anti-proliferative and anti-migratory effects of curcumin and its mechanism of action in endometrial cancer cells. Our in-vitro and in-vivo experimental studies showed that curcumin inhibited the proliferation of endometrial cancer cells and suppressed the tumor growth in Ishikawa xenograft mouse model...
March 16, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28402270/akr1b10-promotes-breast-cancer-cell-migration-and-invasion-via-activation-of-erk-signaling
#11
Jia Li, Yuanwei Guo, Lili Duan, Xinglin Hu, Xi Zhang, Jian Hu, Li Huang, Rongzhang He, Zheng Hu, Weihao Luo, Tan Tan, Renbin Huang, Duanfang Liao, Yuan-Shan Zhu, Di-Xian Luo
BACKGROUND: Aldo-keto reductase family 1, member B10 (AKR1B10), is known to be significantly induced in the cells of various cancers such as breast cancer. However, the mechanisms of AKR1B10 promoting tumorigenesis in breast cancer remain unclear. In the present study, we demonstrated the potential role and mechanism of AKR1B10 in the invasion and migration of breast cancer cells. METHODS: The expression level of AKR1B10 in breast carcinoma, para-carcinoma and cancer tissues were detected by immunohistochemical evaluation and real-time polymerase chain reaction (RT-PCR), and the correlationships between AKR1B10 expression and clinicopathological features in breast cancer patients (n=131) were investigated...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401704/hif-1%C3%AE-binding-to-aeg-1-promoter-induced-upregulated-aeg-1-expression-associated-with-metastasis-in-ovarian-cancer
#12
Ting Zhao, Chenyan Zhao, Yanting Zhou, Jing Zheng, Shujun Gao, Yuan Lu
Ovarian cancer with the highest mortality rate among gynecological malignancies is one of common cancers among female cancer patients. As reported in recent years, AEG-1 was associated with the occurrence, development, and metastasis of ovarian cancer, but the mechanisms remain unclear. In the current study, invasion capabilities of ovarian cancer OVCAR3 cells were measured by viral infection and transwell assay. Western blot analysis was used to evaluate the expression levels of β-catenin, E-cadherin, MMP2, and MMP9...
April 12, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28399108/decreased-levels-of-baseline-and-drug-induced-tubulin-polymerisation-are-hallmarks-of-resistance-to-taxanes-in-ovarian-cancer-cells-and-are-associated-with-epithelial-to-mesenchymal-transition
#13
George E Duran, Yan C Wang, François Moisan, E Brian Francisco, Branimir I Sikic
BACKGROUND: ABCB1 expression is uncommon in ovarian cancers in the clinical setting so we investigated non-MDR mechanisms of resistance to taxanes. METHODS: We established eight taxane-resistant variants from the human ovarian carcinoma cell lines A2780/1A9, ES-2, MES-OV and OVCAR-3 by selection with paclitaxel or docetaxel, with counter-selection by the transport inhibitor valspodar. RESULTS: Non-MDR taxane resistance was associated with reduced intracellular taxane content compared to parental controls, and cross-resistance to other microtubule stabilising drugs...
April 11, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28398880/cerebrovascular-remodeling-and-neuroinflammation-is-a-late-effect-of-radiation-induced-brain-injury-in-non-human-primates
#14
Rachel N Andrews, Linda J Metheny-Barlow, Ann M Peiffer, David B Hanbury, Janet A Tooze, J Daniel Bourland, Robert E Hampson, Samuel A Deadwyler, J Mark Cline
Fractionated whole-brain irradiation (fWBI) is a mainstay of treatment for patients with intracranial neoplasia; however late-delayed radiation-induced normal tissue injury remains a major adverse consequence of treatment, with deleterious effects on quality of life for affected patients. We hypothesize that cerebrovascular injury and remodeling after fWBI results in ischemic injury to dependent white matter, which contributes to the observed cognitive dysfunction. To evaluate molecular effectors of radiation-induced brain injury (RIBI), real-time quantitative polymerase chain reaction (RT-qPCR) was performed on the dorsolateral prefrontal cortex (DLPFC, Brodmann area 46), hippocampus and temporal white matter of 4 male Rhesus macaques (age 6-10 years), which had received 40 Gray (Gy) fWBI (8 fractions of 5 Gy each, twice per week), and 3 control comparators...
March 6, 2017: Radiation Research
https://www.readbyqxmd.com/read/28397013/modulatory-efficacy-of-dieckol-on-xenobiotic-metabolizing-enzymes-cell-proliferation-apoptosis-invasion-and-angiogenesis-during-ndea-induced-rat-hepatocarcinogenesis
#15
Velayutham Sadeeshkumar, Arul Duraikannu, Samuthrapandian Ravichandran, Paulrasu Kodisundaram, Wilson Sylvester Fredrick, Rajagopal Gobalakrishnan
Dieckol (DEK) is a major polyphenol of marine brown seaweed Ecklonia cava which is a potential candidate for cancer therapy. However, the underlying mechanism of DEK as an anticancer drug remains to be elucidated. In this study, we evaluated the molecular mechanisms involved in the chemopreventive efficacy of DEK in N-nitrosodiethylamine (NDEA)-induced hepatocarcinogenesis rats by analyzing markers of xenobiotic-metabolizing enzymes (XMEs), apoptosis, invasion, and angiogenesis. Rats administered NDEA developed hepatocarcinogenesis that displayed apoptosis avoidance coupled to upregulation of pro-inflammatory, invasion, and angiogenesis markers...
April 10, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28396839/inhibition-of-the-tgf%C3%AE-signalling-pathway-by-cgmp-and-cgmp-dependent-kinase-i-in-renal-fibrosis
#16
Elisabeth Schinner, Veronika Wetzl, Andrea Schramm, Frieder Kees, Peter Sandner, Johannes-Peter Stasch, Franz Hofmann, Jens Schlossmann
Agents that enhance production of nitric oxide (NO) and cyclic guanosine monophosphate (cGMP) ameliorate the progression of renal fibrosis. However, the molecular mechanism of this process is not fully understood. We hypothesize that the antifibrotic effects of cGMP and cGMP-dependent kinase I (cGKI) are mediated via regulation of the TGFβ signalling pathway, both via ERK and the Smad-dependent route. Kidney fibrosis was induced by unilateral ureter obstruction (UUO) in wild-type and cGKI-deficient (cGKI-KO) mice...
April 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28393205/high-annexin-a5-expression-promotes-tumor-progression-and-poor-prognosis-in-renal-cell-carcinoma
#17
Jingyuan Tang, Zhiqiang Qin, Peng Han, Wei Wang, Chengdi Yang, Zhen Xu, Ran Li, Bianjiang Liu, Chao Qin, Zengjun Wang, Min Tang, Wei Zhang
Annexin A5 has been found to act as an oncogenic protein in a variety of cancers. However, its specific biological role and mechanism in renal cell cancer (RCC) remains unknown. Quantitative Real-time PCR and western blotting were used to evaluate the mRNA and protein expression level of Annexin A5 in human RCC cell lines and tissues. Immunohistochemistry was adopted to measure the Annexin A5 expression in 123 cases of RCC tissues. Survival analysis was performed to explore the association between Annexin A5 expression and the prognosis of RCC...
April 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28390192/runt-related-transcription-factor-2-runx2-is-responsible-for-galectin-3-overexpression-in-human-thyroid-carcinoma
#18
Engin Kaptan, Serap Sancar Bas, Aylin Sancakli, Hatice Gumushan Aktas, Bertan Boran Bayrak, Refiye Yanardag, Sehnaz Bolkent
Runx2 promotes metastatic ability of cancer cells by directly activating some of the mediators regarding malignancy. Galectin-3 (Gal-3) extensively expressed in normal and transformed cells and it is responsible for many cellular processes. In this study, we aimed to investigate whether there is any relationship between runx2 transcription factor and regulation of galectin-3 expression in different human thyroid carcinoma cell lines. To show effects of runx2 transcription factor on gal-3 expression, we developed runx2 knockdown model in the thyroid carcinoma cell lines; anaplastic 8505C and 8305C and, papillary TPC-1 and follicular FTC-133 by using siRNA transfection...
April 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28388580/tipe3-protein-promotes-breast-cancer-metastasis-through-activating-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#19
Kaili Lian, Chao Ma, Chunyan Hao, Yan Li, Na Zhang, Youhai H Chen, Suxia Liu
TIPE3 (TNFAIP8L3) is the transfer protein of phosphoinositide second messengers that promote cancer. Its role in breast cancer has not been evaluated. We report here that TIPE3 protein was significantly upregulated in human breast cancer tissues as compared with adjacent non-tumor tissues from the same patients. The level of TIPE3 protein in invasive ductal carcinoma was significant higher than that in ductal carcinoma in situ (DCIS), and the level of TIPE3 in lymphatic metastasized carcinoma was higher than that in invasive ductal carcinoma from the same patients...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28388562/cbx7-negatively-regulates-migration-and-invasion-in-glioma-via-wnt-%C3%AE-catenin-pathway-inactivation
#20
Zhongyuan Bao, Xiupeng Xu, Yinlong Liu, Honglu Chao, Chao Lin, Zheng Li, Yongping You, Ning Liu, Jing Ji
CBX7, a member of the Polycomb-group proteins, plays a significant role in normal and cancerous tissues and has been defined as a tumor suppressor in thyroid, breast and pancreatic cancers. However, its function in glioma remains undefined. CBX7 expression is decreased in glioma, especially in higher grade cases, according to data in the CGGA, GSE16001 and TCGA databases. Further experimental evidence has shown that exogenous CBX7 overexpression induced apoptosis and inhibited cell proliferation, colony formation and migration of glioma cells...
March 28, 2017: Oncotarget
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