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https://www.readbyqxmd.com/read/28339958/postconditioning-protects-renal-fibrosis-by-attenuating-oxidative-stress-induced-mitochondrial-injury
#1
Shuxian Zhang, Xiaohua Tan, Yan Chen, Xiuying Zhang
Background.: Epithelial-mesenchymal transition (EMT) plays a critical role in renal fibrosis. We hypothesize that mitochondrial DNA damage and DNA deletions caused by reactive oxygen species (ROS) during renal ischemia-reperfusion injury (IRI) might lead to EMT in renal fibrosis. Methods.: Rats were classified into seven groups: sham-operation, IRI, postconditioning (POC), I/R + apocynin, POC +  apocynin, I/R + Mito-Tempol (Mito-T) and POC +  Mito-T...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339320/basic-life-support-access-to-injectable-epinephrine-across-the-united-states
#2
Ian D Brasted, Michael W Dailey
BACKGROUND:  Aggressive epinephrine administration has growing support in the treatment of anaphylaxis, a life-threatening allergic reaction. Emergency Medical Services (EMS) providers are frequently in a position to provide the first care to someone experiencing an anaphylactic reaction. Intramuscular injection of epinephrine is the definitive pharmacologic treatment for many associated symptoms. While easy to use, epinephrine autoinjectors (EAI) are prohibitively expensive, having increased in price ten-fold in ten years...
March 24, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28339091/fibulin-4-promotes-osteosarcoma-invasion-and-metastasis-by-inducing-epithelial-to-mesenchymal-transition-via-the-pi3k-akt-mtor-pathway
#3
Dong Zhang, Songgang Wang, Jie Chen, Haitao Liu, Jinfa Lu, Hua Jiang, Aimin Huang, Yunzhen Chen
This study explored the role of fibulin-4 in osteosarcoma progression and the possible signaling pathway involved. Fibulin-4 mRNA and protein expression in normal tissue, benign fibrous dysplasia, osteosarcoma, osteosarcoma cell lines, the normal osteoblastic cell line hFOB, and different invasive subclones were evaluated by immunohistochemistry (IHC) or immunocytochemistry (ICC) and real-time reverse transcriptase-polymerase chain reaction (real-time qRT-PCR). Using in vitro functional assays, we analyzed the invasive and proliferative abilities of different osteosarcoma cell lines and subclones with differing invasive potential...
March 21, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339080/inhibition-of-ccr7-promotes-nf-%C3%AE%C2%BAb-dependent-apoptosis-and-suppresses-epithelial-mesenchymal-transition-in-non-small-cell-lung-cancer
#4
Lan Zhang, Xuyang Xiao, Hui An, Jian Wang, Yanmei Ma, Yi-Hua Qian
Activation of C-C chemokine receptor type 7 (CCR7) has been demonstrated to mediate the occurrence and progression of non-small cell lung cancer (NSCLC). However, the potential therapeutic role of CCR7 inhibition in NSCLC is still obscure. Thus, the present study was conducted to investigate the molecular mechanism underlying the inhibition of CCR7 on cell apoptosis and epithelial-mesenchymal transition (EMT) in NSCLC A549 cells. Chemokine ligand 21 (CCL21) was used to activate CCR7 and the results revealed that CCR7 upregulation inhibited cell apoptosis and affected apoptosis‑related protein levels...
March 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339069/transglutaminase-2-is-upregulated-in-primary-hepatocellular-carcinoma-with-early-recurrence-as-determined-by-proteomic-profiles
#5
Hiromi Yamaguchi, Kazumichi Kuroda, Masahiko Sugitani, Tadatoshi Takayama, Kiyoshi Hasegawa, Mariko Esumi
The mechanism of early recurrence of hepato-cellular carcinoma (HCC) is not well understood. To examine whether early intrahepatic metastasis of HCC can be determined by the reliable molecular characteristics of the primary HCC, we focused on early-stage tumors of primary and solitary HCC cases. Proteomic differences were investigated between two groups, 11 early (recurrence within 12 months) and 10 late (no recurrence within 48 months) HCC cases, using two-dimensional fluorescence difference gel electrophoresis...
March 20, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339056/nobiletin-inhibits-invasion-via-inhibiting-akt-gsk3%C3%AE-%C3%AE-catenin-signaling-pathway-in-slug-expressing-glioma-cells
#6
Xiang Zhang, Kebin Zheng, Chunhui Li, Yonghui Zhao, Heyang Li, Xuguang Liu, Yinbo Long, Junchao Yao
Epithelial-mesenchymal transition (EMT) is a pivotal event in tumor progression during which cancer cells undergo dramatic changes acquiring highly invasive properties. In this study, we found that nobiletin, a polymethoxylated flavone, suppressed migration and invasion in both U87 and U251 glioma cells. Expression of epithelial markers (E-cadherin and occludin) was upregulated; mesenchymal markers (N-cadherin, fibronectin) and the transcriptional factor Slug were downregulated after nobiletin treatment. Transforming growth factor β (TGF-β) was applied to stimulate EMT and the results showed that nobiletin not only influenced basal level cell migration but also prevented TGF-β-triggered migration and EMT, with the AKT/GSK3β/β-catenin signaling pathway greatly involved...
March 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28338194/lncrna-neat1-is-closely-related-with-progression-of-breast-cancer-via-promoting-proliferation-and-emt
#7
M Zhang, W-B Wu, Z-W Wang, X-H Wang
OBJECTIVE: Breast cancer (BC) is one of the most common cancers in females. Abnormal proliferation and metastasis are key reasons that cause mortality in BC patients. More and more evidence showed that lncRNA played an important role in the BC development, but the mechanism was not well established. PATIENTS AND METHODS: The expression of lncRNA NEAT1 was detected in 40 BC patients by qRT-PCR technology. MTT and Wound Healing assays were applied to detect the effect of lncRNA NEAT1 in proliferation and metastasis in BC...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337958/knockdown-of-homeobox-b5-hoxb5-inhibits-cell-proliferation-migration-and-invasion-in-non-small-cell-lung-cancer-cells-through-inactivation-of-the-wnt-%C3%AE-catenin-pathway
#8
Bin Zhang, Na Li, Hao Zhang
Homeobox B5 (HOXB5), a member of the HOX gene family, has been demonstrated to play an important role in tumor progression. However, the expression and functional role of HOXB5 in human non-small cell lung cancer (NSCLC) have not been defined. Thus, the purpose of this study was to elucidate the expression and functional role of HOXB5 in human NSCLC. Our results showed that HOXB5 expression was elevated in human NSCLC tissues and cell lines. The in vitro experiments demonstrated that knockdown of HOXB5 inhibited the proliferation, migration and invasion, as well as prevented the EMT phenotype in NSCLC cells...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28337746/thymidylate-synthase-is-functionally-associated-with-zeb1-and-contributes-to-the-epithelial-to-mesenchymal-transition-of-cancer-cells
#9
Aarif Siddiqui, Maria Eleni Vazakidou, Annemarie Schwab, Francesca Napoli, Cristina Fernandez-Molina, Ida Rapa, Marc P Stemmler, Marco Volante, Thomas Brabletz, Paolo Ceppi
Thymidylate synthase (TS) is a fundamental enzyme of nucleotide metabolism and one of the oldest anti-cancer targets. Beginning from the analysis of gene array data from the NCI-60 panel of cancer cell lines, we identified a significant correlation at both gene and protein level between TS and the markers of epithelial-to-mesenchymal transition (EMT), a developmental process that allows cancer cells to acquire features of aggressiveness, like motility and chemoresistance. TS levels were found to be significantly augmented in mesenchymal-like compared to epithelial-like cancer cells, to be regulated by EMT induction, and to negatively correlate with micro-RNAs (miRNAs) usually expressed in epithelial-like cells and known to actively suppress EMT...
March 24, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28337662/a83-01-inhibits-tgf-%C3%AE-induced-upregulation-of-wnt3-and-epithelial-to-mesenchymal-transition-in-her2-overexpressing-breast-cancer-cells
#10
Yanyuan Wu, Trinh Tran, Sami Dwabe, Marianna Sarkissyan, Juri Kim, Miguel Nava, Sheilah Clayton, Richard Pietras, Robin Farias-Eisner, Jaydutt V Vadgama
PURPOSE: The aim of this study is to investigate the mechanisms of interactions between TGF-β and Wnt/β-catenin pathways that induce and regulate EMT and promote breast cancer cells to become resistant to treatment. METHODS: The effect of TGF-β on Wnt/β-catenin signaling pathway was examined by using a human Wnt/β-catenin-regulated cDNA plate array and western blot analysis. The interaction of Twist at promoter of Wnt3 was examined by chromatin immunoprecipitation (ChIP) assay...
March 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28337453/mir-373-3p-targets-dkk1-to-promote-emt-induced-metastasis-via-the-wnt-%C3%AE-catenin-pathway-in-tongue-squamous-cell-carcinoma
#11
Junquan Weng, Hui Zhang, Cheng Wang, Jianfeng Liang, Guanhui Chen, Wenqing Li, Haikuo Tang, Jinsong Hou
MicroRNAs (miRNAs) regulate gene expression and at the same time mediate tumorigenesis. miR-373-3p has diverse effects in tumors, but its role in tongue squamous cell carcinoma (TSCC) remains unknown. The purpose of this study is to determine the function of miR-373-3p in the progression of TSCC. Our results brought to light that miR-373-3p is markedly upregulated in clinical TSCC tissues compared with paired adjacent normal tissues and has significant correlation with a more aggressive TSCC phenotype in patients...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337375/hmga2-regulates-cd44-expression-to-promote-gastric-cancer-cell-motility-and-sphere-formation
#12
Junying Sun, Baocun Sun, Dongwang Zhu, Xiulan Zhao, Yanhui Zhang, Xueyi Dong, Na Che, Jing Li, Fang Liu, Nan Zhao, Danfang Zhang, Tieju Liu, Xian Lin
High mobility group AT-hook 2 (HMGA2) is a transcriptional modulator that mediates motility and self-renewal in cancer stem cells. Gastric cancer (GC) is the third leading cause of cancer-related deaths worldwide. GC contains a population of stem-like cells that promote tumor invasion and resistance to therapy. In the current study, we investigated the expression of HMGA2 and the cancer stem cell marker CD44 in 200 GC samples and found that HMGA2 and CD44 were significantly associated with distant metastasis, histological differentiation and poor prognosis in GC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337299/poly-r-c-binding-protein-pcbp-1-expression-is-regulated-at-the-post-translation-level-in-thyroid-carcinoma
#13
Ming-Peng Zhang, Wei-San Zhang, Jin Tan, Ming-Hui Zhao, Lin-Juan Lian, Jie Cai
Poly r(C) binding protein (PCBP) 1 or heterogeneous ribonucleoprotein (hnRNP) E1 is a RNA binding protein that plays a vital role in a wide variety of biological processes. PCBP1 has been shown to function as a tumor suppressor by negatively regulating translation of pro-metastatic proteins in different cancers. Loss of PCBP1 expression or its Akt2-mediated phosphorylation at serine 43 residue has both been indicated to de-repress its regulation of EMT inducer proteins. Our previous work has established that PCBP1 functions as a tumor suppressor in thyroid cancer, where its translation is inhibited by microRNA-490-3p...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337279/agr2-promotes-the-proliferation-migration-and-regulates-epithelial-mesenchymal-transition-in-salivary-adenoid-cystic-carcinoma
#14
Si-Rui Ma, Liang Mao, Wei-Wei Deng, Yi-Cun Li, Lin-Lin Bu, Guang-Tao Yu, Wen-Feng Zhang, Zhi-Jun Sun
Salivary adenoid cystic carcinoma (AdCC) is a common head and neck cancer with the propensity for local spread and distant metastasis. In our previous study, elevated expression of Anterior gradient 2 (AGR2) was detected in head and neck squamous cell carcinoma (HNSCC), associated with epithelial-mesenchymal transition (EMT) and cancer stemness. However, to date, the expression and function of AGR2 in AdCC has yet to be elucidated. In the present study, human AdCC tissue microarrays including 18 cases of normal salivary gland (NSG), 12 cases of pleomorphic adenoma (PMA) and 72 cases of AdCC were employed for immunohistochemical staining analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337269/the-role-of-prrx1-in-the-apoptosis-of-a549-cells-induced-by-cisplatin
#15
Hongbin Zhu, Gengyun Sun, Jiahui Dong, Liming Fei
Paired related homeobox1 (PRRX1) was a newly identified Epithelial mesenchymal transition (EMT) inducer. It was found that the decreased expression of PRRX1 in breast cancer and liver cancer could enable tumor cells to obtain tumor stem cell characteristics in vitro studies. However, the role of PRRX1 in lung cancer was still unknown. The down-regulated PRRX1 gene in A549 cells was established by slow virus infection in this study. The apoptosis of A549 cells was observed after the treatment of different concentrations of cisplatin and the role of PRRX1 in the apoptosis of A549 cells was explored...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336365/breast-cancer-cells-focus-on-the-consequences-of-epithelial-to-mesenchymal-transition
#16
Alice H L Bong, Gregory R Monteith
Breast cancers are highly heterogeneous and successful treatment of those subtypes with a high frequency of metastases and resistance to clinically available therapies remains a challenge. An understanding of mechanisms which may contribute to this heterogeneity and generation of more resilient cancer cells is therefore essential. Epithelial-to-mesenchymal transition (EMT) is a dynamic two-way process that occurs during embryonic development and wound healing whereby epithelial cells can gain plasticity and switch to a mesenchymal-like phenotype...
March 20, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28335789/sex-determining-region-y-box-protein-3-induces-epithelial-mesenchymal-transition-in-osteosarcoma-cells-via-transcriptional-activation-of-snail1
#17
Manle Qiu, Daoyun Chen, Chaoyong Shen, Ji Shen, Huakun Zhao, Yaohua He
BACKGROUND: The transcription factor sex-determining region Y-box protein 3 (SOX3) plays important roles in various types of cancer. However, its expression and function have not yet been elucidated in osteosarcoma (OS). METHODS: The expression levels of SOX3 in OS tissues and OS cell lines were determined by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis. The effects of SOX3 expression on OS cell biological traits were investigated by overexpressing and downregulating SOX3 protein...
March 23, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28335402/2-hydroxymelatonin-a-predominant-hydroxylated-melatonin-metabolite-in-plants-shows-antitumor-activity-against-human-colorectal-cancer-cells
#18
Yi Yang, Rui Zhou, So-Yeon Park, Kyoungwhan Back, Woo Kyun Bae, Kyung Keun Kim, Hangun Kim
2-Hydroxymelatonin is a predominant hydroxylated melatonin metabolite in plants. To investigate whether it has potent cytotoxic effects on colorectal cancer cells, four colorectal cancer cell lines, Caco2, HCT116, DLD1, and CT26, were treated with 2-hydroxymelatonin and melatonin. 2-Hydroxymelatonin had a much lower IC50 value than melatonin in the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The cytotoxic effect of 2-hydroxymelatonin was much stronger than that of melatonin at high concentrations (1000 or 2000 μM) in HCT116, DLD1, and CT26 cells, but only at intermediate concentrations (250 or 500 μM) in Caco2 cells...
March 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28334716/downregulation-of-ubap2l-inhibits-the-epithelial-mesenchymal-transition-via-snail1-regulation-in-hepatocellular-carcinoma-cells
#19
Tao Ye, Jing Xu, Ling Du, Wenhui Mo, Yiming Liang, Jinglin Xia
BACKGROUND/AIMS: Dysregulation of ubiquitin-associated protein 2-like (UBAP2L) has been reported in tumors, but its role in hepatocellular carcinoma (HCC) progression is unclear. METHODS: The expression levels of UBAP2L in HCC tissues and HCC cell lines were detected by western blot and quantitative real-time (qRT) PCR. The effects of UBAP2L expression on HCC cell biological traits, including migration and invasion, were investigated by wound healing assay and matrigel transwell assay...
March 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28334655/morpholine-or-methylpiperazine-and-salicylaldimine-based-heteroleptic-square-planner-platinum-ii-complexes-in%C3%A2-vitro-anticancer-study-and-growth-retardation-effect-on-e-%C3%A2-coli
#20
Faiz-Ur Rahman, Amjad Ali, Inam Ullah Khan, Hong-Quan Duong, Shang-Bo Yu, Yue-Jian Lin, Hui Wang, Zhan-Ting Li, Dan-Wei Zhang
Morpholine and methylpiperazine are among the most important structural parts of different drugs including organic chemotherapeutic agents. In the current study we incorporated these entities as co-ligand and a series of structurally related mono- and di-metallic square planner Pt(II) complexes (Pt(II)(salicylaldimine)(morpholine)Cl C1a-C3a, Pt(II)(salicylaldimine) (methylpiperazine)Cl C1b-C3b, di-metallic Pt(II)2(bis-salicylaldimine)(morpholine)2Cl2C4a and Pt(II)2(bis-salicylaldimine)(methylpiperazine)2Cl2C4b were prepared...
March 18, 2017: European Journal of Medicinal Chemistry
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