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https://www.readbyqxmd.com/read/28714365/conjugation-of-gold-nanoparticles-and-recombinant-human-endostatin-modulates-vascular-normalization-via-interruption-of-anterior-gradient-2-mediated-angiogenesis
#1
Fan Pan, Wende Yang, Wei Li, Xiao-Yan Yang, Shuhao Liu, Xin Li, Xiaoxu Zhao, Hui Ding, Li Qin, Yunlong Pan
Several studies have revealed the potential of normalizing tumor vessels in anti-angiogenic treatment. Recombinant human endostatin is an anti-angiogenic agent which has been applied in clinical tumor treatment. Our previous research indicated that gold nanoparticles could be a nanoparticle carrier for recombinant human endostatin delivery. The recombinant human endostatin-gold nanoparticle conjugates normalized vessels, which improved chemotherapy. However, the mechanism of recombinant human endostatin-gold nanoparticle-induced vascular normalization has not been explored...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28714012/knockdown-of-jarid2-inhibits-the-viability-and-migration-of-placenta-trophoblast-cells-in-preeclampsia
#2
Yatao Jiang, Yuqing Chen, Yanping Chen
Protein Jumonji (JARID2) is a member of the Jumonji family of proteins and has been demonstrated to regulate cell proliferation and invasion. However, little is known about the role of JARID2 in the metastasis of placenta trophoblast cells. In the present study, the effect and the underlying molecular mechanism of JARID2 on trophoblast cell viability and invasion was investigated. The expression of JARID2 in placental tissues was analyzed by reverse transcription‑quantitative polymerase chain reaction and western blotting...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713975/ccl28-promotes-breast-cancer-growth-and-metastasis-through-mapk-mediated-cellular-anti-apoptosis-and-pro-metastasis
#3
Xiao Li Yang, Kai Yi Liu, Feng Juan Lin, Hui Min Shi, Zhou Luo Ou
Breast cancer is one of the most commonly diagnosed cancers worldwide and the second leading cause of cancer-related deaths among females. CCL28 (mucosa-associated epithelial chemokine, MEC), a CC subfamily chemokine, has been well studied in the process of inflammation, and recently increasing evidence indicates that CCL28 is related to tumor progression. However, little is known concerning its function in breast cancer. In the present study, we generated a CCL28-overexpressing breast cancer cell line MDA-MB-231HM/CCL28 from parental MDA-MB‑231HM cells...
July 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28712397/-stem-cell-factor-enhances-invasive-ability-of-bxpc-3-cells-via-hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE
#4
Min Zhang, Kang Guo, Qiong Li, Yunjian Wang, Ling Zhang, Tao He, Baishun Wan, Xiaoqian Wang
Objective To investigate the effect of stem cell factor (SCF)/c-KIT system on the invasion of BxPC-3 pancreatic cancer cells and the role of hypoxia-inducible factor 1 alpha (HIF-1α) in this effect. Methods BxPC-3 cells were cultured in normoxia and hypoxia. The cells cultured in normoxia were treated with SCF. Real-time quantitative PCR and Western blotting were used to investigate the expressions of HIF-1α mRNA and protein, respectively. Small interference RNA of HIF-1α (siHIF-1α) was designed and synthesized, and then transfected into BxPC-3 cells...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28709826/synthesis-antioxidant-and-antiproliferative-activities-of-1-3-4-thiadiazoles-derived-from-phenolic-acids
#5
Katarina Jakovljević, Ivana Z Matić, Tatjana Stanojković, Ana Krivokuća, Violeta Marković, Milan D Joksović, Nevena Mihailović, Marija Nićiforović, Ljubinka Joksović
Two 2-amino-1,3,4-thiadiazoles containing phenolic hydroxyl groups were combined with different carboxylic acid chlorides giving sixteen amide derivatives with good antioxidant and antiproliferative potential. The compound 3'c with an adamantane ring displayed excellent DPPH radical scavenging activity and good cytotoxic activity against human acute promyelocytic leukemia HL-60 cells, while 1,3,4-thiadiazole 3'h with 4-chlorophenyl moiety was found to be the most effective in inhibition of survival of lung carcinoma A549 cells...
July 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28709407/trop2-enhances-invasion-of-thyroid-cancer-by-inducing-mmp2-through-erk-and-jnk-pathways
#6
Hongyu Guan, Zejun Guo, Weiwei Liang, Hai Li, Guohong Wei, Lijuan Xu, Haipeng Xiao, Yanbing Li
BACKGROUND: Mounting evidence has showed that Tumor-associated calcium signal transducer 2 (Trop2) is upregulated in various kinds of human cancers and plays important roles in tumorigenesis. However, the expression status and functional significance of Trop2 in thyroid cancer are largely unknown. METHODS: We first determined the expression of Trop2 by using RNAseqV2 data sets for thyroid cancer deposited on The Cancer Genome Atlas (TCGA) website. The expression of Trop2 was then confirmed by real-time reverse transcription-polymerase chain reaction (RT-PCR) and immunohistochemistry assays...
July 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28707555/long-term-effects-of-silver-nanoparticles-in-caco-2-cells
#7
Laura Vila, Ricard Marcos, Alba Hernández
The high success of silver nanoparticles (AgNPs), mainly associated with their proved antimicrobial properties, has led to an increasing spread in our close environment. Although many studies have been carried out to detect potential toxicity of AgNPs, most of them have been developed under unrealistic exposure conditions. In terms of human risk, the evaluation of long-term exposures to sub-toxic doses of NPs remains a challenge. Here we have determined different transformation-related end-points under a scenario of 6 weeks long-term exposure to low non-cytotoxic AgNPs concentrations (0...
July 14, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28706200/global-transcriptome-analysis-identifies-differentially-expressed-genes-related-to-lipid-metabolism-in-wagyu-and-holstein-cattle
#8
Wanlong Huang, Yuntao Guo, Weihua Du, Xiuxiu Zhang, Ai Li, Xiangyang Miao
Fat deposition of beef cattle varies between breeds. However, the regulation mechanism is still not elucidated completely at molecular level. In the present study, we comparatively analyzed transcriptome of subcutaneous adipose tissue between Wagyu and Holstein cattle with a significant difference in fat deposition to identify key genes associated with fat metabolism and adipogenesis by high-throughput RNA-seq technology. A total of 59,149,852 and 69,947,982 high quality reads were generated, respectively. With further analysis, 662 differentially expressed genes were identified...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701309/arhgap18-protects-against-thoracic-aortic-aneurysm-formation-by-mitigating-the-synthetic-and-pro-inflammatory-smooth-muscle-cell-phenotype
#9
Renjing Liu, Lisa Lo, Angelina J Lay, Yang Zhao, Ka Ka Ting, Elizabeth N Robertson, Andrew G Sherrah, Sorour R Jarrah, Haibo Li, Zhaoxiong Zhou, Brett D Hambly, David R Richmond, Richmond W Jeremy, Paul G Bannon, Matthew A Vadas, Jennifer Gamble
Rationale: Thoracic aortic aneurysm (TAA) is a potentially lethal condition which can affect individuals of all ages. TAA may be complicated by the sudden onset of life threatening dissection or rupture. The underlying mechanisms leading to TAA formation, particularly in the non-syndromal idiopathic group of patients, are not well understood. Thus, identification of new genes and targets that are involved in TAA pathogenesis are required to help prevent and/or reverse the disease phenotype. Objective: Here we explore the role of ARHGAP18, a novel Rho GAP expressed by smooth muscle cells (SMC), in the pathogenesis of TAA...
July 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/28696249/haploinsufficiency-of-the-transcription-factor-ets-1-is-renoprotective-in-dahl-salt-sensitive-rats
#10
Wenguang Feng, Bo Chen, Dongqi Xing, Xingsheng Li, Huma Fatima, Edgar A Jaimes, Paul W Sanders
Studies using Dahl salt-sensitive (SS) rats identified specific quantitative trait loci that predispose animals to hypertension-associated albuminuria and kidney injury. We explored the hypothesis that kidney-specific expression of the transcription factor Ets-1, located within one of these loci on chromosome 8, mediates glomerular injury in SS hypertension. During the first week on a high-salt diet, SS rats and SS rats with only one functioning Ets-1 gene (ES rats) demonstrated similar increases in BP. However, serum creatinine concentration, albuminuria, and glomerular expression of ETS-1 and two ETS-1 targets, MCP-1 and MMP2, did not increase as substantially in ES rats as in SS rats...
July 10, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28683125/ucp-2-is-involved-in-angiotensin-ii-induced-abdominal-aortic-aneurysm-in-apolipoprotein-e-knockout-mice
#11
Peng Yan, Ken Chen, Qiang Wang, Dachun Yang, De Li, Yongjian Yang
UCP-2 shows an important role in modulating of mitochondrial membrane potential and cell apoptosis. Whether or not UCP-2 could been a critical factor in preventing AAA formation is not known. We report that UCP-2 protein and mRNA expression were significantly higher in Ang-Ⅱ-induced AAA of mice. The incident rate of AAA in UCP-2-/-ApoE-/- mice after Ang-Ⅱtreatment was higher than the rate in the UCP-2+/+ApoE-/- mice. The abdominal aorta from UCP-2-/-ApoE-/- mice showed the medial hypertrophy, fragmentation of elastic lamellas and depletion of α-SMA...
2017: PloS One
https://www.readbyqxmd.com/read/28680051/lactate-dehydrogenase-a-promotes-the-invasion-and-proliferation-of-pituitary-adenoma
#12
Jiayin An, Yin Zhang, Jiaojiang He, Zhenle Zang, Zheng Zhou, Xiangdong Pei, Xin Zheng, Weihua Zhang, Hui Yang, Song Li
Lactate dehydrogenase A (LDHA) has been reported to be involved in the initiation and progression of tumors. However, the potential role of LDHA in pituitary adenoma (PA) remains unknown. In this study, we showed that the expression levels of LDHA mRNA and protein were significantly elevated in invasive PA samples, and positively correlated with higher Ki-67 index. Overexpression of LDHA in a PA cell line (GH3) promoted glucose uptake through the upregulation of glucose transporter-1 (Glut1), lactate secretion and induced cellular invasion by upregulation of matrix metalloproteinase2 (MMP2)...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28679402/wap-four-disulfide-core-domain-protein-2-promotes-metastasis-of-human-ovarian-cancer-by-regulation-of-metastasis-associated-genes
#13
Yao Chen, Liping Huang, Suihai Wang, Tiancai Liu, Yingsong Wu, Ji-Liang Li, Ming Li
BACKGROUND: WAP four-disulfide core domain protein 2 (WFDC2) shows a tumor-restricted upregulated pattern of expression in ovarian cancer. METHODS: In this study, we evaluated the role of WFCD2 in tumor mobility, invasion and metastasis of ovarian cancer in clinical tissue and in ovarian cancer cells, both in vitro and in vivo. RESULTS: Our results revealed WFCD2 was overexpressed in ovarian tissues, and the expression level of WFCD2 was associated with metastasis and lymph node metastasis...
July 5, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28678446/mda-mb-231-and-8701bc-breast-cancer-lines-promote-the-migration-and-invasiveness-of-ecv304-cells-on-2d-and-3d-type-i-collagen-matrix
#14
S Saladino, M Salamone, G Ghersi
Tumor angiogenesis is a multiphasic process, having the extracellular matrix remodeling as critical step. Different classes of proteolytic enzymes in matrix digestion/remodeling are involved. The role of lytic enzymes and their activation mode have not been completely elucidated. Herein, the crosstalk between endothelia and tumor cells, by realization of bi- and three-dimensional endothelial and breast cancer cells co-cultures, were studied in vitro. Particularly, the effects of two tumor conditioned media (TCM) were assessed about endothelial proliferation, migration and invasiveness...
July 5, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28678310/the-expression-of-the-brm-and-mmp2-genes-in-thoracic-aortic-aneurysm-and-aortic-dissection
#15
Y-H Li, X-M Li, M-S Lu, M-F Lv, X Jin
OBJECTIVE: To study the expression, roles, and clinical significance of Brahma (BRM) and matrix metalloproteinase 2 (MMP2) in the thoracic aortic aneurysm and aortic dissection. PATIENTS ND METHODS: Arterial specimens from 20 cases of thoracic aortic dissection and 38 cases of thoracic aortic aneurysm, as well as normal tissue were collected, paraffin-embedded, sectioned, and stained with anti-BRM and MMP2 monoclonal antibodies. Sections were analyzed by immunofluorescence, and the distribution and expression of BRM and MMP2 in the aortic wall were determined...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28675805/characterization-of-normal-murine-carpal-bone-development-prompts-re-evaluation-of-pathologic-osteolysis-as-the-cause-of-human-carpal-tarsal-osteolysis-disorders
#16
Syndia Lazarus, Hsu-Wen Tseng, Felicity Lawrence, Maria Ann Woodruff, Emma Letitia Duncan, Allison Robyn Pettit
Multicentric carpal-tarsal osteolysis; multicentric osteolysis, nodulosis, and arthropathy; and Winchester syndromes, skeletal dysplasias characterized by carpal/tarsal and epiphyseal abnormalities, are caused by mutations in v-maf musculoaponeurotic fibrosarcoma oncogene ortholog B (MAFB), matrix metalloproteinase 2 (MMP2), and MMP14, respectively; however, the underlying pathophysiology is unclear. Osteoclast-mediated osteolysis has been regarded as the main mechanism, but does not explain the skeletal distribution...
July 1, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28674216/microrna-200c-increases-radiosensitivity-of-human-cancer-cells-with-activated-egfr-associated-signaling
#17
Taeryool Koo, Bong Jun Cho, Dan Hyo Kim, Ji Min Park, Eun Jung Choi, Hans H Kim, David J Lee, In Ah Kim
MicroRNA-200c (miR-200c) recently was found to have tumor-suppressive properties by inhibiting the epithelial-mesenchymal transition (EMT) in several cancers. miR-200c also interacts with various cellular signaling molecules and regulates many important signaling pathways. In this study, we investigated the radiosensitizing effect of miR-200c and its mechanism in a panel of human cancer cell lines. Malignant glioma (U251, T98G), breast cancer (MDA-MB-468), and lung carcinoma (A549) cells were transfected with control pre-microRNA, pre-miR-200c, or anti-miR-200c...
July 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28670489/heat-shock-protein-70-2-hsp70-2-a-novel-cancer-testis-antigen-that-promotes-growth-of-ovarian-cancer
#18
Namita Gupta, Nirmala Jagadish, Avadhesha Surolia, Anil Suri
Heat shock protein 70-2 (HSP70-2) is known to be involved in tumor progression. However, its molecular role and mechanism in epithelial ovarian cancer (EOC) remains unknown. In the present investigation, we examined the role of HSP70-2 in cell cycle, apoptosis and epithelial mesenchymal transition pathways in EOC cells in in vitro and in-vivo xenograft mouse model. To investigate the role of HSP70-2 in ovarian cancer, plasmid driven short hairpin RNA approach was used to examine HSP70-2 gene and protein expression in ovarian cancer cell line A-10 (origin: serous papillary cystadenocarcinoma), Caov-3 (origin: adenocarcinoma) and SKOV3 (origin: adenocarcinoma; derived from metastatic site: ascites) by RT-PCR, quantitative-PCR, immunohistochemistry and Western blotting...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28670389/sapylin-promotes-wound-healing-in-mouse-skin-flaps
#19
Huijing Huang, Deguang Kong, Yu Liu, Qiuxia Cui, Kun Wang, Dan Zhang, Jinli Wang, Maocai Zhai, Jinhua Yan, Cuntai Zhang, Gaosong Wu
Seroma formation is one of the most common complications after modified radical mastectomy. Sapylin is an agent used to reduce seroma formation following breast cancer surgery. In this article, we aimed to identify the potential mechanism by which Sapylin reduced seroma formation. Thirty-six female C57 mice were randomly divided into three groups. All mice were anaesthetized and a skin flap was generated on their abdomens. Each group was treated with normal saline, 0.5 KE/ml of Sapylin, or 50% hypertonic glucose, respectively...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28670368/effect-of-er%C3%AE-regulated-erk1-2-signaling-on-biological-behaviors-of-prostate-cancer-cells
#20
Zhankui Zhao, Honglian Yu, Qingsheng Kong, Chuanxin Liu, Yanjun Tian, Xiaoli Zeng, Dandan Li
Estrogen receptor beta (ERβ) plays a role in prostate carcinogenesis. In this study, we investigated the effects of ERβ gene silencing in PC3 androgen-independent prostate cancer cells. PC3 cells were transfected with vector alone, scrambled shRNA vector, vector encoding ERβ-targeting shRNA (shERβ), or shERβ followed by addition of PD98059, a mitogen-activated protein kinase kinase (MEK) inhibitor (shERβ+PD98059). Cyclin D1, Bcl-2, matrix metalloproteinase (MMP)2, and phosphorylated (p-) extracellular signal-regulated kinase (ERK1/2) expression was detected by western blotting...
2017: American Journal of Translational Research
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