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https://www.readbyqxmd.com/read/29146183/d-rhamnose-%C3%AE-hederin-inhibits-migration-and-invasion-of-human-breast-cancer-cell-line-mda-mb-231
#1
Lin Cheng, Tian-Song Xia, Liang Shi, Lingyun Xu, Weixian Chen, Yulan Zhu, Qiang Ding
Many natural products have been shown to have inhibitory effects on the metastatic process of various cancers including breast cancer. An active triterpenoid saponin D Rhamnose β-hederin (DRβ-H) from Clematis ganpiniana, has been known induce the apoptosis of breast cancer cells, but the effect of DRβ-H on the metastasis of breast cancer cells is largely unknown. In this study, we demonstrated that a non-cytotoxic concentration of DRβ-H markedly suppressed wound healing migration, migration through the chamber and invasion through the matrigel...
November 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29140591/preventive-effects-of-tonsil-derived-mesenchymal-stem-cells-on-osteoradionecrosis-in-a-rat-model
#2
Hae Sang Park, Jihae Lee, Jin-Woo Kim, Ha Young Kim, Soo Yeon Jung, Sung Min Lee, Chan Hum Park, Han Su Kim
BACKGROUND: The purpose of this study was to investigate the effects of tonsil-derived mesenchymal stem cells (MSCs) on osteoradionecrosis (ORN). METHOD: We generated a mandibular ORN rat model using a combination of 20-Gy single-dose irradiation and tooth extraction. Study groups were negative control (tooth extraction only), ORN group (irradiation, tooth extraction), Matrigel-1 group (Matrigel; BD Biosciences, San Jose, CA; irradiation, Matrigel application immediately after tooth extraction), tonsil-derived MSC-1 group (irradiation, tonsil-derived MSC application immediately after tooth extraction), Matrigel-4 group (irradiation, Matrigel application 4 weeks after tooth extraction), and tonsil-derived MSC-4 group (irradiation, tonsil-derived MSC application 4 weeks after tooth extraction)...
November 15, 2017: Head & Neck
https://www.readbyqxmd.com/read/29139224/a-polyelectrolyte-multilayer-platform-for-investigating-growth-factor-delivery-modes-in-human-liver-cultures
#3
Christine Lin, Raimundo Romero, Lioudmila V Sorokina, Kimberly R Ballinger, Laura W Place, Matt J Kipper, Salman R Khetani
Polyelectrolyte multilayers (PEMs) of chitosan and heparin are useful for mimicking growth factor (GF) binding to extracellular matrix (ECM) as in vivo. Here, we developed a PEM platform for delivering bound/adsorbed GFs to monocultures of primary human hepatocytes (PHHs) and PHH/non-parenchymal cell (NPC) co-cultures, which are useful for drug development and regenerative medicine. The effects of ECM protein coating (collagen I, fibronectin, and Matrigel®) and terminal PEM layer on PHH attachment/functions were determined...
November 15, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29138840/low-dosage-of-arsenic-trioxide-inhibits-vasculogenic-mimicry-in-hepatoblastoma-without-cell-apoptosis
#4
Feng Zhang, Chun-Mei Zhang, Shu Li, Kun-Kun Wang, Bin-Bin Guo, Yao Fu, Lu-Yang Liu, Yu Zhang, Hai-Yu Jiang, Chang-Jun Wu
Hepatoblastoma (HB) is the most common type of pediatric liver malignancy, which predominantly occurs in young children (aged <5 years), and continues to be a therapeutic challenge in terms of metastasis and drug resistance. As a new pattern of tumor blood supply, vasculogenic mimicry (VM) is a channel structure lined by tumor cells rather than endothelial cells, which contribute to angiogenesis. VM occurs in a variety of solid tumor types, including liver cancer, such as hepatocellular carcinoma. The aim of the present study was to elucidate the effect of arsenic trioxide (As2O3) on VM...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138826/mir%C3%A2-660%C3%A2-5p-is-associated-with-cell-migration-invasion-proliferation-and-apoptosis-in-renal-cell-carcinoma
#5
Tao He, Peijie Chen, Lu Jin, Jia Hu, Yifan Li, Liang Zhou, Shangqi Yang, Xiangming Mao, Yaoting Gui, Yun Chen, Yongqing Lai
Renal cell carcinoma (RCC) is a common malignant tumor of the urinary system with poor prognosis. microRNAs (miRNAs) are a class of small, non‑coding RNA molecules that serve important roles in biological and pathological processes in several types of human tumors. miRNA (miR)‑660‑5p is dysregulated in many human cancers; however, its role in renal cell carcinoma is currently unclear. In the present study, reverse transcription‑quantitative polymerase chain reaction was performed to examine the expression levels of miR‑660‑5p in RCC tissues and paired normal adjacent tissues (NATs)...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137358/tm4sf5-promotes-metastatic-behavior-of-cells-in-3d-extracellular-matrix-gels-by-reducing-dependency-on-environmental-cues
#6
Dae-Geun Song, Gyu-Ho Lee, Seo Hee Nam, Jin-Gyu Cheong, Doyoung Jeong, Seo-Jin Lee, Cheol-Ho Pan, Jae Woo Jung, Hye-Jin Kim, Jihye Ryu, Ji Eon Kim, Somi Kim, Chang Yun Cho, Min-Kyung Kang, Kyung-Min Lee, Jung Weon Lee
Transmembrane 4 L six family member 5 (TM4SF5) is highly expressed in hepatocellular carcinoma tissues and enhances migration in two-dimensional environments. Here, we investigated how TM4SF5 is involved in diverse pro-metastatic phenotypes in in vivo-like three-dimensional (3D) extracellular matrix gels. TM4SF5-positive cells aggressively formed invasive foci in 3D Matrigel, depending on TM4SF5-mediated signaling activity, cytoskeletal organization, and matrix metallopeptidase (MMP) 2-mediated extracellular remodeling, whereas TM4SF5-null cells did not...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137286/fibroblast-growth-factor-modulates-mast-cell-recruitment-in-a-murine-model-of-prostate-cancer
#7
Roberto Ronca, Roberto Tamma, Daniela Coltrini, Simona Ruggieri, Marco Presta, Domenico Ribatti
Mast cells are important modifiers of prostate tumor microenvironment. The fibroblast growth factor/fibroblast growth factor receptor (FGF/FGFR) system plays a non-redundant autocrine/paracrine role in the growth, vascularization and progression of prostate tumors. Accordingly, the FGF antagonist long pentraxin-3 (PTX3) and the PTX3-derived small molecule FGF-trap NSC12 have been shown to inhibit the growth and vascularization of different FGF-dependent tumor types, including prostate cancer. In this study, we show that recombinant FGF2 is able to cause mast cell recruitment in vivo in the Matrigel plug assay...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29131572/in-vivo-optical-detection-and-spectral-triangulation-of-carbon-nanotubes
#8
Ching-Wei Lin, Hailing Yang, Stephen R Sanchez, Weiqun Mao, Lan Pang, Kathleen Mary Beckingham, Robert C Bast, R Bruce Weisman
Biocompatible composites of single-walled carbon nanotubes in Matrigel have been surgically implanted into mouse ovaries and then noninvasively detected and located in the first in vivo demonstration of spectral triangulation. This optical method deduces the three-dimensional position of a short-wave IR emission source from the wavelength-dependent attenuation of fluorescence in tissues. Measurements were performed with a second-generation optical scanner that uses an LED matrix emitting at 736 nm for diffuse specimen excitation...
November 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29131133/sulphonated-formononetin-induces-angiogenesis-through-vascular-endothelial-growth-factor-camp-response-element-binding-protein-early-growth-response-3-vascular-cell-adhesion-molecule-1-and-wnt-%C3%AE-catenin-signaling-pathway
#9
Zhaoju Dong, Yanan Shi, Huijuan Zhao, Ning Li, Liang Ye, Shuping Zhang, Haibo Zhu
BACKGROUND: Sodium formononetin-3'-sulphonate (Sul-F) is a derivative of the isoflavone formononetin. In this study, we investigated whether Sul-F can regulate angiogenesis and the potential mechanism in vitro. METHODS: We examined the effects of Sul-F on cell proliferation, cell invasion, and tube formation in the human umbilical vein endothelial cell line (HUVEC). To better understand the mechanism involved, we investigated effects of the following compounds: cAMP response element-binding protein (CREB) inhibitor 2-naphthol-AS-E-phosphate (KG-501), early growth response 3 (Egr-3) siRNA, vascular endothelial growth factor (VEGF) antagonist soluble VEGF receptor 1 (sFlt-1), VEGF receptor 2 blocker SU-1498, Wnt5a antagonist WIF-1 recombinant protein (WIF-1), and inhibitor of Wnt/β-catenin recombinant Dickkopf-1 protein (DKK-1)...
October 31, 2017: Pharmacology
https://www.readbyqxmd.com/read/29128359/ubiquitin-c-terminal-hydrolase-l1-plays-a-key-role-in-angiogenesis-by-regulating-hydrogen-peroxide-generated-by-nadph-oxidase-4
#10
In-Kang Song, Hyun Jung Kim, Venkataraman Magesh, Kong-Joo Lee
Ubiquitin C-terminal hydrolase-L1 (UCH-L1), which catalyzes the hydrolysis of ubiquitin esters and amides, is highly expressed in brain. Recently, UCH-L1 has been found to increase cancer cell migration and invasion by modulating hydrogen peroxide generated by NADPH oxidase 4 (NOX4). Because angiogenesis is also mediated by hydrogen peroxide, we explored the role of UCH-L1 in angiogenesis in human umbilical vein endothelial cells (HUVECs). Silencing UCH-L1 suppressed tubule formation in HUVECs, indicating that UCH-L1 promotes angiogenesis in vitro...
November 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29123378/10h-3-6-diazaphenothiazine-induces-g2-m-phase-cell-cycle-arrest-and-caspase-dependent-apoptosis-and-inhibits-cell-invasion-of-a2780-ovarian-carcinoma-cells-through-the-regulation-of-nf-%C3%AE%C2%BAb-and-birc6-xiap-complexes
#11
Jianxin Zhang, Chen Ming, Wenzhi Zhang, Patrick Nwabueze Okechukwu, Beata Morak-Młodawska, Krystian Pluta, Małgorzata Jeleń, Abdah Md Akim, Kok-Pian Ang, Kah Kooi Ooi
The asymptomatic properties and high treatment resistance of ovarian cancer result in poor treatment outcomes and high mortality rates. Although the fundamental chemotherapy provides promising anticancer activities, it is associated with severe side effects. The derivative of phenothiazine, namely, 10H-3,6-diazaphenothiazine (PTZ), was synthesized and reported with ideal anticancer effects in a previous paper. In this study, detailed anticancer properties of PTZ was examined on A2780 ovarian cancer cells by investigating the cytotoxicity profiles, mechanism of apoptosis, and cell invasion...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29120819/towards-a-defined-ecm-and-small-molecule-based-monolayer-culture-system-for-the-expansion-of-mouse-and-human-intestinal-stem-cells
#12
Zhixiang Tong, Keir Martyn, Andy Yang, Xiaolei Yin, Benjamin E Mead, Nitin Joshi, Nicholas E Sherman, Robert S Langer, Jeffrey M Karp
Current ISC culture systems face significant challenges such as animal-derived or undefined matrix compositions, batch-to-batch variability (e.g. Matrigel-based organoid culture), and complexity of assaying cell aggregates such as organoids which renders the research and clinical translation of ISCs challenging. Here, through screening for suitable ECM components, we report a defined, collagen based monolayer culture system that supports the growth of mouse and human intestinal epithelial cells (IECs) enriched for an Lgr5(+) population comparable or higher to the levels found in a standard Matrigel-based organoid culture...
October 26, 2017: Biomaterials
https://www.readbyqxmd.com/read/29119674/assessment-of-hydrogels-for-bioprinting-of-endothelial-cells
#13
Leo Benning, Ludwig Gutzweiler, Kevin Tröndle, Julian Riba, Roland Zengerle, Peter Koltay, Stefan Zimmermann, G Björn Stark, Günter Finkenzeller
In tissue engineering applications, vascularization can be accomplished by co-implantation of tissue forming cells and endothelial cells (ECs), whereby the latter are able to form functional blood vessels. The use of three-dimensional (3D) bioprinting technologies has the potential to improve the classical tissue engineering approach because these will allow the generation of scaffolds with high spatial control of endothelial cell allocation. This study focuses on a side by side comparisons of popular commercially available bioprinting hydrogels (matrigel, fibrin, collagen, gelatin, agarose, Pluronic F-127, alginate and alginate/gelatin) in the context of their physicochemical parameters, their swelling/degradation characteristics, their biological effects on vasculogenesis-related EC parameters and their printability...
November 8, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29117631/astrocyte-elevated-gene-1-promotes-invasion-and-epithelial-mesenchymal-transition-in-bladder-cancer-cells-through-activation-of-signal-transducer-and-activator-of-transcription-3
#14
Xiaoming Yang, Lei Shi, Chengzhi Yi, Yang Yang, Liansheng Chang, Dongkui Song
OBJECTIVES: To determine the impact of astrocyte elevated gene-1 on the invasion and epithelial-mesenchymal transition of bladder cancer cells in vitro and metastasis in vivo. METHODS: Gain- and loss-of-function studies were carried out to investigate the biological roles of astrocyte elevated gene-1 in bladder cancer cell invasion, epithelial-mesenchymal transition and lung metastasis. The mechanism underlying the activity of astrocyte elevated gene-1 was examined...
November 8, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29115622/unbs5162-inhibits-the-proliferation-of-esophageal-cancer-squamous-cells-via-the-pi3k-akt-signaling-pathway
#15
Dan He, Suolin Zhang
C‑X‑C motif chemokine ligand (CXCL) signaling has been demonstrated to be involved in cancer invasion and migration; therefore, CXCL antagonists may serve as anticancer drugs by preventing tumor proliferation. The present study aimed to investigate whether a pan antagonist of CXCLs, UNBS5162, may inhibit esophageal cancer proliferation and to identify the underlying mechanisms. Cell proliferation and cell colony formation results, which were determined by a Cell Counting Kit‑8 assay and crystal violet staining, respectively, demonstrated that UNBS5162 inhibited esophageal cancer cell proliferation...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115608/microrna%C3%A2-27a-promotes-tumorigenesis-via-targeting-akt-in-triple-negative-breast-cancer
#16
Jing Wu, Zhihui Sun, Huijie Sun, Yanhua Li
Altered microRNA (miRNA/miR) expression regulates tumor development and progression in triple‑negative breast cancer (TNBC). The present study examined the effect of miR‑27a on proliferation, migration and invasion of TNBC cells in vitro and in vivo. An MTT assay was performed to examine the proliferation of MDA‑MB‑231 and MDA‑MB‑468 breast cancer cells with either overexpression of miR‑27a or downregulation of miR‑27a, in the presence or absence of radiation. The migratory and invasive abilities of MDA‑MB‑231 and MDA‑MB‑468 breast cancer cells were assessed by Transwell migration and Matrigel invasion assays...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115509/microrna%C3%A2-211-suppresses-the-growth-and-metastasis-of-cervical-cancer-by-directly-targeting-zeb1
#17
Guangyuan Chen, Ping Huang, Jiabin Xie, Rihong Li
Of gynecological cancers, cervical cancer has the second highest incidence globally and is a major cause of cancer‑associated mortality in women. An increasing number of studies have reported that microRNAs (miRNAs) have important roles in cervical cancer carcinogenesis and progression through regulation of various critical protein‑coding genes. The aim of the present study was to investigate the expression and biological roles of miRNA‑211 (miR‑211) in cervical cancer and its underlying molecular mechanism...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113197/acidic-stress-induces-apoptosis-and-inhibits-angiogenesis-in-human-bone-marrow-derived-endothelial-progenitor-cells
#18
Shuai Huang, Peiheng He, Dongliang Xu, Jinglei Li, Xinsheng Peng, Yubo Tang
Bone marrow-derived endothelial progenitor cells (BM-EPCs) are exposed to acidotic environments in a variety of physiological and pathological conditions, including in tumors. However, the effect of acidosis on the function of BM-EPCs is still not fully understood. In the present study, BM-EPCs were isolated and cultured at an extracellular pH (pHe) of 6.5 or pHe 7.4 in vitro prior to various experiments being performed. Cellular proliferation, migration and tube formation ability were detected by DNA content quantification, Transwell assay and Matrigel-based angiogenesis assay...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29110726/coix-lacryma-jobi-var-ma-yuen-stapf-sprout-extract-has-anti-metastatic-activity-in-colon-cancer-cells-in-vitro
#19
Eun Suk Son, Young Ock Kim, Chun Geon Park, Kyung Hun Park, Sung Hwan Jeong, Jeong-Woong Park, Se-Hee Kim
BACKGROUND: Coix lacryma-jobi var. ma-yuen (Rom.Caill.) Stapf has been used in China as an herbal medicine. Many studies of this plant have reported anti-proliferative and apoptotic activities on human cancer cell lines. Therefore, this study of the anti-metastatic effect of Coix lacryma-jobi var. ma-yuen Stapf sprout extract (CLSE) in colorectal cancer cells may provide a scientific basis for exploring anti-cancer effects of edible crops. METHODS: To evaluate the effect of CLSE on cell proliferation and signaling, we performed a Cell Counting Kit-8 (CCK-8) assay in HCT116 cells and used western blot analysis...
November 6, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29107691/antibiotic-bedaquiline-effectively-targets-growth-survival-and-tumor-angiogenesis-of-lung-cancer-through-suppressing-energy-metabolism
#20
Xiaomu Wu, Fajiu Li, Xiaojiang Wang, Chenghong Li, Qinghua Meng, Chuanhai Wang, Jie Huang, Shi Chen, Ziyang Zhu
Tumor angiogenesis plays essential roles during lung cancer progression and metastasis. Therapeutic agent that targets both tumor cell and vascular endothelial cell may achieve additional anti-tumor efficacy. We demonstrate that bedaquiline, a FDA-approved antibiotic drug, effectively targets lung cancer cells and angiogenesis. Bedaquiline dose-dependently inhibits proliferation and induces apoptosis of a panel of lung cancer cell lines regardless of subtypes and molecular heterogeneity. Bedaquiline also inhibits capillary network formation of human lung tumor associated-endothelial cell (HLT-EC) on Matrigel and its multiple functions, such as spreading, proliferation and apoptosis, even in the presence of vascular endothelial growth factor (VEGF)...
October 28, 2017: Biochemical and Biophysical Research Communications
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