Search Results
Results 351 - 400 of 3069
< 3 4 5 6 7 8 9 10 11 12 13 >
Shimizu Ryo R Graduate School of Biomedical & Health Science, Orthopaedic Surgery, Hiroshima, Japan ; - - 2014
Cell sheet engineering has developed as a remarkable method for cell transplantation. In the field of cartilage regeneration, several studies previously reported that cartilage defects could be regenerated by transplantation of a chondrocyte sheet using cell sheet engineering. However, it remains unclear how such a thin cell sheet could repair ...
Miner Andrew G AG 1] Department of Dermatology, The Cleveland Clinic, Cleveland, OH, USA [2] Department of Pathology, The Cleveland Clinic, Cleveland, OH, - - 2014
Merkel cell carcinoma is a rare, highly aggressive cutaneous neuroendocrine carcinoma most commonly seen in sun-damaged skin. Histologically, the tumor consists of primitive round cells with fine chromatin and numerous mitoses. Immunohistochemical stains demonstrate expression of neuroendocrine markers. In addition, cytokeratin 20 (CK20) is expressed in ∼95% of cases. In ...
Kwolek-Mirek Magdalena M Department of Biochemistry and Cell Biology, University of Rzeszow, Zelwerowicza 4, 35-601, Rzeszow, - - 2014
The yeast Saccharomyces cerevisiae is a useful eukaryotic model to study the toxicity of acrolein, an important environmental toxin and endogenous product of lipid peroxidation. The study was aimed at elucidation of the cytotoxic effect of acrolein on the yeast deficient in SOD1, Cu, Zn-superoxide dismutase which is hypersensitive to ...
Zhen Y Y Department of Gastroenterological Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, - - 2014
The epidermal growth factor receptor (EGFR) is an oncogenic trans-membranous receptor, which is overexpressed in multiple human cancers. However, the role of EGFR in gastric cancer (GC) is still elusive. In this study, we aimed to investigate the expression and molecular mechanisms of EGFR in GC cells. Forty cases of ...
Kang Minyong M Department of Urology, Seoul National University Hospital, Seoul, - - 2014
To investigate the role of S100A3 and the effect of S100A3 inhibition on human castration-resistant prostate cancer (CRPC) cells by using in vitro and in vivo functional assays. Using human CRPC cells (PC3 and DU145), S100A3 expression levels were assessed by reverse transcription-polymerase chain reaction and Western blot analysis. After S100A3-specific small ...
Jiang Lizhu L Department of Otolaryngology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400016, People's Republic of - - 2014
We have previously reported that forkhead box M1 (FoxM1) transcription factor was overexpressed in laryngeal squamous cell carcinoma (LSCC) and was associated with development of LSCC. However, there are limited studies regarding the functional significance of FoxM1 and FoxM1 inhibitor thiostrepton in LSCC. Therefore, the aim of this study was ...
Greenshields Anna L AL Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada B3H - - 2014
Piperine, an alkaloid from black pepper, is reported to have anticancer activities. In this study, we investigated the effect of piperine on the growth and motility of triple-negative breast cancer (TNBC) cells. Piperine inhibited the in vitro growth of TNBC cells, as well as hormone-dependent breast cancer cells, without affecting ...
Iida Joji J Department of Cell Biology, Windber Research Institute, Windber, PA 15963, USA. Electronic address: - - 2014
There are lines of evidence demonstrating that NEDD9 (Cas-L, HEF-1) plays a key role in the development, progression, and metastasis of breast cancer cells. We previously reported that NEDD9 plays a critical role for promoting migration and growth of MDA-MB-231. In order to further characterize the mechanisms of NEDD9-mediated cancer ...
Müller Benjamin B Department of Biomaterials, University of Oslo, - - 2014
In order to prevent soft tissue down-growth into osseous defect areas, membranes are used when placing bone graft materials. These membranes still show shortcomings in their performance and applications. In the current study, we choose an approach to integrate micro-porous surface structures into a macro-porous scaffold. Low porous surfaces were ...
Liu Yuzhi - - 2014
ABSTRACT Considering variable and often modest therapeutic efficacy of Rituximab for a substantial proportion of patients suffering from Non-Hodgkin lymphomas (NHLs), various type II anti-CD20 monoclonal antibodies (mAbs) with excellent ability in inducing programmed cell death (PCD) are developed for enhanced therapeutic index currently. Although homotypic adhesion (HA) and lysosome ...
Yao Feng F Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, 241 West Huaihai Rd, Shanghai, 200030, - - 2014
LATS2 (Large tumor suppressor) has been reported to be dys-regulated in several cancer types. However, its function in non-small cell lung cancer (NSCLC) remains poorly understood. Here, it was found that the expression level of LATS2 was decreased in NSCLC tissues. Moreover, forced expression of LATS2 in NSCLC cells inhibited ...
Maijub John G - - 2014
Adipose derived stromal vascular fraction (SVF) cells have been shown to self-associate to form vascular structures under both in vitro and in vivo conditions. The angiogenic (new vessels from existing vessels) and vasculogenic (new vessels through self-assembly) potential of the SVF cell population may provide a cell source for directly ...
Szeto Sandy G Y SG Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Roger Guindon Hall, 451 Smyth Road, Ottawa, ON K1H 8M5 Canada. Electronic address: - - 2014
In cell culture, many adherent mammalian cells undergo substantial actin cytoskeleton rearrangement prior to mitosis as they detach from the extracellular matrix and become spherical. At the end of mitosis the actin cytoskeleton is required for cytokinesis and the reassembly of interphase structures as cells spread and reattach to substrate. ...
Gao Lei L Xinjiang Key Laboratory of Environmental Pollution and Bioremediation, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; Graduate University of Chinese Academy of Sciences, Beijing, 100049, - - 2014
H2O2 is an emerging biocide for bloom-forming cyanobacteria. It is important to investigate the H2O2 scavenging ability of extracellular polymeric substances (EPS) of cyanobacteria because EPS with strong antioxidant activity may "waste" considerable amounts of H2O2 before it kills the cells. In this study, the buffering capacity against H2O2 of ...
Dentice Monica M Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples 80131, - - 2014
Precise control of the thyroid hormone (T3)-dependent transcriptional program is required by multiple cell systems, including muscle stem cells. Deciphering how this is achieved and how the T3 signal is controlled in stem cell niches is essentially unknown. We report that in response to proliferative stimuli such as acute skeletal ...
Hwang I I Pesticide Intoxication Institute, Soonchunhyang University Cheonan Hospital, Cheonan, - - 2014
Self-poisoning with (4-chloro-2-methylphenoxy) acetic acid (MCPA) is a common reason for presentation to hospitals, especially in some Asian countries. We encountered a case of a 76-year-old woman who experienced unconsciousness, shock and respiratory failure after ingesting 100 mL MCPA herbicide. We determined whether the surfactant in the formulation was the ...
He Bin B Department of Orthopaedics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. - - 2014
Although the etiology of intervertebral disc degeneration is poorly understood, one approach to prevent this process may be to inhibit apoptosis. In the current study, the anti‑apoptotic effects of carboxymethylated chitosan (CMCS) in nucleus pulposus (NP) cells were investigated with the aim to enhance disc cell survival. Rat NP cells were isolated and cultured in vitro, and hydrogen peroxide (H2O2) ...
You Bo Ra BR Department of Physiology, Medical School, Research Institute for Endocrine Sciences, Chonbuk National University, JeonJu, 561-180, Republic of - - 2014
PX-12 (1-methylpropyl 2-imidazolyl disulfide) as a thioredoxin (Trx) inhibitor has an anti-tumor effect. However, there is no report about the toxicological effect of PX-12 on lung cancer cells. Here, we investigated the anti-growth effects of PX-12 on Calu-6 lung cancer cells in relation to reactive oxygen species (ROS) and glutathione ...
Em Torres - - 2014
With the use of cell replacement therapies as a realistic prospect for conditions such as Parkinson's and Huntington's diseases, the logistics of the delivery of cell suspensions to deep brain targets is a topic for consideration. Because of the large cannulae required for such procedures, we need to consider the ...
Cosenza Maria M Program of Innovative Therapies in Oncology and Haematology, Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Modena, - - 2014
We analyzed the combination of a proteasome inhibitor (bortezomib) with enzastaurin (PKC/AKT-inhibitor) or lenalidomide (immunomodulatory agent) for the inhibition of proliferation and induction of apoptosis in B-cell lymphoma cell lines and primary malignant cells. The effects of bortezomib, enzastaurin or lenalidomide, alone or in combinations, on cell viability and apoptosis ...
Chiang Ying-Cheng YC Department of Obstetrics and Gynecology, College of Medicine, National Taiwan University, Taipei, Taiwan Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, - - 2014
A new cell line, CA5171, derived from a chemotherapy-naive, high-grade undifferentiated ovarian carcinoma was established and characterized. The CA5171 cells presented with cobblestone morphology and a doubling time of 24 hours. Gene mutation analysis showed that the cells belonged to the type II ovarian cancer pathway with mutations of PIK3CA, ...
Hyoung Kim Si S Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of - - 2014
Context: The influence of the novel heat shock protein 90 (hsp90) inhibitor NVP-AUY922 (AUY922) on anaplastic thyroid carcinoma (ATC) cells has not been investigated. Objective: The effect of AUY922 alone or in combination with the histone deacetylase inhibitor PXD101 on survival of ATC cells was evaluated. Results: In ATC cells, ...
Chen ChengShi C Department of Interventional Radiology, Zhongshan Hospital, Fudan University, No.180 Fenglin Road, Shanghai, 200032, - - 2014
The obstruction of hepatic arterial blood flow results in tumor tissue hypoxia and elevated expression of hypoxia-inducible factor-1alpha (HIF-1α). Our study evaluated whether lentivirus-mediated short interference RNA against HIF-1α inhibits proliferation, invasion, and migration of hepatocellular carcinoma (HCC) cells under hypoxia. RNA interference knockdown of HIF-1α was achieved by HIF-1α-directed ...
Liu Xiaojun X Department of Medical Oncology, The First Hospital of Lanzhou University, Lanzhou, Gansu, P.R. - - 2014
Lactate dehydrogenase A (LDH-A), which regulates glycolytic flux by catalyzing pyruvate to lactate in the cytoplasm, is believed to be one of the highly attractive therapeutic targets for cancers. Firstly, we detected the expression of LDH-A in gastric cancer (GC) cells. LDH-A inhibitor oxamate was then used to suppress the LDH-A ...
Hattori Tomoyasu T Sapporo Dermatopathology Institute, Sapporo, Hokkaido; Hattori Dermatology Clinic, Takasaki, Gunma, - - 2014
Dendritic cell neurofibroma with pseudorosettes (DCNWPR) is a rare peripheral nerve sheath tumor (PNST). To our knowledge, the only reported case of DCNWPR in Japan was documented by our team. We experienced three additional cases of DCNWPR in our institute since 2007, and report the clinical and histological features of ...
Stevens Linda A LA Cardiovascular and Pulmonary Branch, National, Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD - - 2014
Activated neutrophils, recruited to the airway of diseased lung, release human neutrophil peptides (HNP1-4) that are cytotoxic to airway cells as well as microbes. Airway epithelial cells express arginine-specific ADP ribosyltransferase (ART)-1, a GPI-anchored ART that transfers ADP-ribose from NAD to arginines 14 and 24 of HNP-1. We previously reported ...
Huang Zheng-Hua ZH Department of Urological Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu 215300, P.R. - - 2014
Berberine is a well‑known component of the Chinese herbal medicine Huanglian (Coptis chinensis), and is capable of inhibiting the proliferation of multiple cancer cell lines. However, information available regarding the effect of berberine on prostate cancer cell growth is limited. In the present study, LnCaP and PC‑3 human prostate cancer ...
Razavi Rozita R Department of Molecular Genetics, University of Toronto - - 2014
Endogenous pancreatic multipotent progenitors (PMPs) are ideal candidates for regenerative approaches to compensate for β-cell loss since their β-cell producing capacities as well as strategic location would eliminate unnecessary invasive manipulations. However, little is known about the status and potentials of PMPs under diabetic conditions. Here we show that β-cell ...
Lopez-Mejia Isabel C IC Department of Physiology, Université de Lausanne, Lausanne CH-1005, - - 2014
Specific cellular functions, such as proliferation, survival, growth, or senescence, require a particular adaptive metabolic response, which is fine tuned by members of the cell cycle regulators families. Currently, proteins such as cyclins, CDKs, or E2Fs are being studied in the context of cell proliferation and survival, cell signaling, cell ...
Karimi Tahereh T Biomimetic Materials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Swearingen Engineering Center, Rm 2C11, Columbia, SC 29208, USA. - - 2014
Articular cartilage is organized into multiple zones including superficial, middle and calcified zones with distinct cellular and extracellular components to impart lubrication, compressive strength, and rigidity for load transmission to bone, respectively. During native cartilage tissue development, changes in biochemical, mechanical, and cellular factors direct the formation of stratified structure ...
Kim Tae Hyung TH Division of Toxicology, School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 440-746, Republic of - - 2014
Psammaplin A (PsA) is a natural product isolated from marine sponges, which has been demonstrated to have anticancer activity against several human cancer cell lines via the induction of cell cycle arrest and apoptosis. New drugs that are less toxic and more effective against multidrug-resistant cancers are urgently needed. We ...
Ye Fang F Key Laboratory of Micro/Nano Systems for Aerospace, Ministry of Education and School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of - - 2014
Control of cell adhesion and growth by microfabrication technology and surface chemistry is important in an increasing number of applications in biotechnology and medicine. In this study, we developed a method to fabricate (2-hydroxyethyl methacrylate) (polyHEMA) grids on glass by micromolding in capillaries (MIMIC). As a non-fouling biomaterial, polyHEMA was ...
Filios Stephen R SR UAB, United - - 2014
Small non-coding microRNAs have emerged as important regulators of cellular processes, but their role in pancreatic beta cells has only started to be elucidated. Loss of pancreatic beta cells is a key factor in the pathogenesis of diabetes and we have demonstrated that beta cell expression of thioredoxin-interacting protein (TXNIP) ...
Park Hye-Jung HJ Department of Chemistry, Dong-Eui University, Busan 614-714, Republic of - - 2014
The aim of the present study was to examine the apoptotic effect of flavonoids in methanol extracts of Ginkgo biloba fallen leaves (MEGFL) on melanoma cells. Ginkgo biloba is a deciduous castle chaplain and its leaves include various types of flavonoids such as flavonol-O-glycosides. Ginkgo biloba is known to have ...
Wu Lingjiao L State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. - - 2015
Let-7 family members have been identified as tumor-suppressing microRNAs, which are important in human hepatocellular carcinoma (HCC). These family members may function differently as a result of different base sequences at the 3'end. The aim of this study was to determine the antitumor effects of miR-let-7g/i (let-7g/i) on HCC cells ...
de Sales Costa Moreira Carboni Simone S Structural Biology Department, Institute of Natural and Biological Sciences, Federal University of Triângulo Mineiro, Uberaba, MG, - - 2014
The pleomorphic adenoma of the parotid (PA) is characterized by the high tissues diversity. Rho GTPases participate in signal transduction pathways that regulate several biological processes, including cell differentiation. A quantitative analysis of RhoA and RhoB GTPases immunoexpression was performed in healthy parotids and in 23 PA cases, predominantly epithelial ...
Singh Sunaina S Department of Chemistry & Biochemistry, Hunter College of The City University of New York, 695 Park Avenue, New York, NY, 10065, USA ; Department of Natural Sciences, LaGuardia Community College of The City University of New York, 31-10 Thomson Avenue, Long Island City, New York, NY 11101, - - 2014
A triply bridged fused diporphyrin appended with six thioglucose units is reported. This new, chemically and photochemically stable amphiphilic compound is taken up by breast cancer cells and causes cell death upon light exposure. Photophysical studies reveal absorption bands in the near IR region, and photosensitized formation of singlet oxygen ...
Wang Congfei C Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, - - 2014
A gemcitabine (GEM)-resistant human pancreatic cancer cell line (PANC-1RG7) was established in vitro by gradually increasing GEM concentrations and cloning cell cultures to develop a cellular model of acquired drug resistance studies. We found that PANC-1RG7 cells exhibited significantly different morphological characteristics from parental cells. PANC-1RG7 cells grew slowly (p<0.05), yet ...
Song Xiaoya X Department of Plant Biology, University of California-Davis, One Shields Ave., Davis, CA, 95616, - - 2014
Extended antipodal life-span. The female gametophyte of most flowering plants forms four cell types after cellularization, namely synergid cell, egg cell, central cell and antipodal cell. Of these, only the antipodal cells have no established functions, and it has been proposed that in many plants including Arabidopsis, the antipodal cells ...
Miyoshi Hirotoshi H Department of Biomedical Engineering, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan. Electronic address: - - 2014
To establish a highly efficient method of ex vivo expansion of hematopoietic cells (HCs), three-dimensional (3D) cocultures of HCs and stromal cell lines were performed using porous polymer scaffolds. Hematopoietic cells derived from mouse fetal livers were expanded by two successive cultures without the use of exogenous cytokines, i.e., 3D ...
Watanuki Zenta Z Division of Cancer Biology and Therapeutics, Miyagi Cancer Center Research Institute, 47-1 Nodayama, Medeshima-Shiode, Natori 981-1293, - - 2014
EGFR is an important therapeutic target for non-small cell lung cancers (NSCLCs). Tyrosine kinase inhibitors (TKIs), such as gefitinib and erlotinib, are effective in cases with EGFR-activating mutations. However, most such cases become resistant through a secondary EGFR mutation, T790M. While the second-generation TKI afatinib has a higher affinity for ...
Mondal Prosenjit P Departments of Medicine - - 2014
Type 2 diabetes mellitus (T2DM) is caused by relative insulin deficiency, subsequent to both reduced β-cell mass and insufficient insulin secretion, and both augmenting β-cell mass and β-cell function are therapeutic strategies for treating T2DM. However, the relative significance of increasing β-cell mass versus improving β-cell stimulus secretion coupling remains ...
Imani Roghayeh R Laboratory of Clinical Biophysics, Faculty of Health Sciences, University of Ljubljana, Zdravstvena 5, Ljubljana, - - 2014
The differentiation of urothelial cells results in normal terminally differentiated cells or by alternative pathways in low-grade or high-grade urothelial carcinomas. Treatments with traditional surgical and chemotherapeutical approaches are still inadequate and expensive, as bladder tumours are generally highly recurrent. In such situations, alternative approaches, using irradiation of the cells ...
Knodler Leigh A LA Paul G. Allen School for Global Animal Health, College of Veterinary Medicine, Washington State University, Pullman, WA 99164-7090, USA. Electronic address: - - 2014
Intracellular bacterial pathogens can occupy a membrane-bound vacuole or live freely within the cytosol of mammalian cells. Many studies have shown that the enteric bacterium, Salmonella enterica serovar Typhimurium (S. Typhimurium), is a vacuolar pathogen. Recent data, however, have revealed that within epithelial cells there are subpopulations of vacuolar and ...
Sairi Fareed F School of Chemical and Biomolecular Engineering, University of Sydney, Sydney, 2006, - - 2014
Molluscan rhogocytes are known to be the only cells able to synthesize hemocyanin that is one of the largest respiratory proteins in nature. However, investigation of rhogocyte cells in vitro is limited due to difficulty in isolating and establishing marine cell culture. The aim of this study was to investigate ...
Funfak Anette A Department of Mechanics, LadHyX, Ecole Polytechnique-CNRS, F-91128 Palaiseau, France. - - 2014
Paramecium cells swim and feed by beating their thousands of cilia in coordinated patterns. The organization of these patterns and its relationship with cell motility has been the subject of a large body of work, particularly as a model for ciliary beating in human organs where similar organization is seen. ...
Holmes-Maguire Lillias L Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, - - 2014
The neural crest (NC) is a remarkable transient structure in the vertebrate embryo that gives rise to a highly versatile population of pluripotent cells that contribute to the formation of multiple tissues and organs throughout the body. In order to achieve their task, NC-derived cells have developed specialized mechanisms to ...
Dogra Samriti S Division of Pediatric Nephrology, Department of Pediatrics, Children's Hospital at Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, - - 2015
Human papillomavirus (HPV) DNA integrations may affect therapeutic responses in cancers through ATM network-related DNA damage response (DDR). We studied whether cisplatin-induced DDR was altered in human HK-2 renal tubular cells immortalized by HPV16 E6/E7 genes. Cytotoxicity assays utilized thiazolyl blue dye and DDR was identified by gene expression differences, ...
Yamanishi Miho M Department of Pediatrics, Nippon Medical School Chiba Hokusoh - - 2014
Drug resistance remains a serious problem in leukemia therapy. Among newly developed nucleoside antimetabolites, clofarabine has broad cytotoxic activity showing therapeutic promise and is currently approved for relapsed acute lymphoblastic leukemia. To investigate the mechanisms responsible for clofarabine resistance, we established two clofarabine-resistant lymphoblastic leukemia cell lines from parental lines. ...
Mohammadi-Bardbori Afshin A Institute of Environmental Medicine, Karolinska Institutet, SE-171 77 Stockholm, Sweden; Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Fars 71345-1583, - - 2014
Exposure to metals and metalloids including arsenic, cadmium, mercury, and nickel has been a worldwide health problem for several decades. The aim of this study was to learn how metal-induced oxidative stress triggers cell proliferation, a process of great significance for cancer. NADPH oxidase (NOX) activity and cell proliferation were ...
< 3 4 5 6 7 8 9 10 11 12 13 >