TY - JOUR. T1 - Multistep carcinogenesis and genital papillomavirus infection. Implications for diagnosis and vaccines. AU - Rangel, L. M.. AU - Ramirez, M.. AU - Torroella, M.. AU - Pedroza, A.. AU - Ibarra, V.. AU - Gariglio, P.. PY - 1994/1/1. Y1 - 1994/1/1. N2 - Activated cellular oncogenes (myc and ras, for example) and inactivated anti-oncogenes (p53 or Rb) participate in multistep carcinogenesis. In addition, some high risk human papillomaviruses (HPV) are also involved in uterine cervix carcinomas. Typification of HPV is important for clinical diagnosis. Unravelling the complexities of the immune system and understanding the biochemistry and molecular genetics of cellular oncogenes and tumor viruses have opened up new possibilities for vaccination.. AB - Activated cellular oncogenes (myc and ras, for example) and inactivated anti-oncogenes (p53 or Rb) participate in multistep carcinogenesis. In addition, some high risk human papillomaviruses (HPV) are also involved in uterine cervix ...
TY - JOUR. T1 - Tight coordination of protein translation and HSF1 activation supports the anabolic malignant state. AU - Santagata, Sandro. AU - Mendillo, Marc L.. AU - Tang, Yun Chi. AU - Subramanian, Aravind. AU - Perley, Casey C.. AU - Roche, Stéphane P.. AU - Wong, Bang. AU - Narayan, Rajiv. AU - Kwon, Hyoungtae. AU - Koeva, Martina. AU - Amon, Angelika. AU - Golub, Todd R.. AU - Porco, John A.. AU - Whitesell, Luke. AU - Lindquist, Susan. PY - 2013. Y1 - 2013. N2 - The ribosome is centrally situated to sense metabolic states, but whether its activity, in turn, coherently rewires transcriptional responses is unknown. Here, through integrated chemical-genetic analyses, we found that a dominant transcriptional effect of blocking protein translation in cancer cells was inactivation of heat shock factor 1 (HSF1), a multifaceted transcriptional regulator of the heat-shock response and many other cellular processes essential for anabolic metabolism, cellular proliferation, and tumorigenesis. ...
The potential role of arachidonic acid metabolism in the enhancement (promotion) of malignant transformation of C3H/M2 mouse fibroblasts by the tumor promoter 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) was investigated using inhibitors of cyclooxygenase and lipoxygenase activities. The promoting effects of TCDD (1.5 pM) and of the reference tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA; 0.4 mM) on carcinogen (N-methyl-N′-nitro-N-nitrosoguanidine or 3-methylcholanthrene)-pre-treated fibroblasts was abolished by cotreatment with indomethacin, hydrocortisone, caffeic acid or nordihydroguaiaretic acid. A differential inhibition was found with N-(2-cyclohexyloxy-4-nitrophenyl)methanesulfonamide, a selective inhibitor of the cyclooxygenase isoenzyme COX-2: the promoting effect of TPA, but not that of TCDD, was abolished. Therefore, the role of the cyclooxygenase isoenzymes COX-1 and COX-2 during chronic exposure to TCDD was studied in more detail. Long-term treatment with TCDD (4-7 weeks) ...
TY - JOUR. T1 - The effect of malignant transformation on the sensitivity of murine fibroblasts to the antiviral effect of interferon. AU - Morris, A. G.. AU - Barrett, Alan. AU - Bird, R. M.. AU - Burke, D. C.. PY - 1979. Y1 - 1979. UR - http://www.scopus.com/inward/record.url?scp=0018286199&partnerID=8YFLogxK. UR - http://www.scopus.com/inward/citedby.url?scp=0018286199&partnerID=8YFLogxK. M3 - Article. AN - SCOPUS:0018286199. VL - 6. SP - 139. EP - 141. JO - FEMS Microbiology Letters. JF - FEMS Microbiology Letters. SN - 0378-1097. IS - 3. ER - ...
Cancer is believed to be driven by genetic mutations. However, mouse models and human patients with cancer-predisposing germ line mutations show that only a small fraction of their cells become malignant, suggesting mutations themselves are not sufficient to cause transformation and additional determinants must exist. There are two prevailing, non-exclusive models to account for the additional determinants. One is that full transformation requires accumulation of multiple genetic mutations, which posits transformation occurs only when all mutations have been acquired. The recent success in reprogramming malignant cells into pluripotent stem cells indicates that normal cells of essentially all lineages can exist in the presence of replete cancer mutations. The second model postulates that mutations in rare stem cells initiate malignancy. Advancement in sequencing technology has led to the detection of cancer mutations in the hematopoietic stem cells (HSCs) of healthy individuals. The prevalence ...
The small GTPase RhoA controls many cytoskeletal processes, including actin polymerization, F‐actin bundling, myosin‐based contractility, formation of focal adhesions and formation of the contractile ring at cytokinesis (for a review see Van Aelst and DSouza‐Schorey, 1997). In addition, RhoA plays a less well understood role in the control of cell cycle progression, transformation and tumour cell invasiveness. In fibroblasts, activated RhoA is sufficient to induce DNA synthesis (Olson et al., 1995), and cooperates with activated Raf in focus formation assays (Khosravi‐Far et al., 1995; Qiu et al., 1995). Activated Rho GDP/GTP exchange factors (GEFs) are potent oncogenes in focus assays (for a review see Whitehead et al., 1997), and it has been proposed that their ability to induce anchorage‐independent growth arises because they mimic signalling by adhesion receptors (Schwartz et al., 1996). Rho activity is required for transformation by Ras and for induction of DNA synthesis in ...
This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patients clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician ...
Carcinogenesis is caused by a cumulative, multistage process that mainly consists of initiation, promotion, and progression. ROS, which are produced as a result of the metabolism of molecular oxygen via biochemical reactions in cells, play a key role in tumor promotion. Some tumor promoters accelerate/induce the conversion of initiated cells (carcinogen-mediated mutation or potential "stem cells") into tumorigenic cells possibly via the production of oxidative/inflammatory responses (30, 31). TPA (12-O-tetradecanoylphorbol-13-acetate), a phorbol ester, is a tumor promoter that induces the neoplastic/tumorigenic transformation of preneoplastic JB6 cells through the overproduction of ROS (32). In this study, we investigated the inhibitory effect of SFN on TPA-stimulated neoplastic transformation in the mouse epidermal JB6 P+ cell line to assess whether SFN is able to block tumor promoter-induced tumorigenesis in skin cells. Our results show that SFN was effective when it was given together with ...
To find the next steps to digital transformation, bank executives should set aside the noise and consider some guidelines from early adopters.
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Anyone could give me some idea where I can find a good protocol for the transformation assay using Rat2 cells. The one you look for transformed foci. Do I need to stain the cells? Alex ...
The aim of this work was to develop a method to evaluate the kinetics of bainite transformation by theoretical deduction and thermal dilatation curve analysis. A Gleeble-3500 thermomechanical simulator and dilatometer (DIL805A) were employed to study the isothermal transformation in deformed (360 ∘ C , 600 ∘ C , and 860 ∘ C ) and undeformed conditions. The thermal dilatation information during isothermal transformation was recorded, and the dilatation curves were well smoothed. By taking a derivative of the dilation curve with respect to the transformation time, the peak time of transformation rate (PTTR) was obtained, which can serve as the essence of isothermal transformation time. The relative change of length ( Δ L / L ) due to phase transformation was theoretically deduced, and the effect of temperature was taken into consideration. Combing experimental data, the volume fraction of bainite in isothermal transformation was calculated. Making a graph of
1) the conversion of a normal cell into a cell that is able to divide indefinitely in culture, thus behaving like a cancer cell; (malignant transformation may also describe the series of changes in a normal cell in an organism that change it into a malignant (cancerous) cell); (2) a change in genotype and phenotype due to the assimilation of external DNA by a cell; when the external DNA is from a member of a different species, transformation results in horizontal gene ...
Image analyzing apparatus and methods are disclosed for analyzing 3-dimensional as well as 2-dimensional images. The pixels of the 3-D images may be represented by multivalued digital data signals which are analyzed in one or more programmable neighborhood transformation stages. In the preferred embodiment, each stage is programmed with selected contribution values associated with each pixel in the neighborhood. The values of the data signals for each pixel are modified by these contribution values and the maximum value thereof is selected as the transformation output of the stage. A series of dilation/erosion transformations may be used to transform the original image matrix in such a manner so as to locate the position and/or identify the shape of particular objects contained in the original image.
ACs top 3 transformation tips - After my recent 7 week transformation, many people have been asking me for tips on achieving a rapid transformation in muscle size and fat loss. There are no single tips that will ensure success in everyone as it totally depends on the person as to how good the results will be. However there are some helpful tips that I can offer that will help ensure success in anyone wanting to make a body transformation. So here are my top 3 tips: 1. Plan the full transformation before you start. With any transformation I do with a client I plan literally every workout before we even start. I do this on a spreadsheet that can be updated and adapted as time goes on. However the main thing is to know exactly what you are doing every day of every week. This will keep you incredibly focused and you will know what to expect from training each week. It also makes it incredibly easy to progress with performance and strength even whilst dropping fat. You will record every weight you use on
Finally, we tested whether IKKε/TBK1 is required for Ras transformation in MEFs. Active K-Ras was expressed in IKKε/TBK1 double-knockout cells that were reconstituted with TBK1 or vector. The IKKε/TBK1 double-knockout MEFs could not be transformed by active K-Ras (V12). In contrast, re-expression of TBK1, which restored AKT activation (Fig. S2B) but was insufficient to transform MEFs alone, supported a robust transformation by K-Ras (V12), as indicated by focus formation (Fig. 6C). These observations indicate an obligatory role of IKKε/TBK1 in Ras-induced oncogenic transformation of MEF cells. Future studies are needed to determine whether AKT activation is the major downstream effector of TBK1 supporting Ras-induced transformation.. As a major signaling hub, AKT regulates a wide range of cellular processes from cell growth, proliferation, to apoptosis (2). Pathological AKT activation is observed in many cancers and clearly plays a major role in tumorigenesis (1). It has been well ...
Findings from the CEO/Innovators Roundtable: Reform, Transition and Transformation Are at Hand等来自罗盛咨询的文章为您提供真知灼见,帮助您从容应对棘手的企业挑战。阅读更多。
COX-1 and -2 gene expression can be regulated at both the transcriptional and the posttranscriptional levels, and species differences may exist at both levels. Transcription induced in murine or chicken embryo fibroblasts by mitogens or by oncogene-induced transformation occurs rapidly, and maximal levels are seen at 15-30 min, followed shortly by COX-2 mRNA and protein […] ...
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Meet eight real people who lost weight and blogged about it. Plus, get diet and fitness tips and see photos of their amazing transformations at WomansDay.com.
We need to better understand the genetic mechanisms that transform normal blood cells into acute myeloid leukaemia (AML). Overall survival is improving for children and adults with AML, but traditional therapies can be ...
Vol 5: OCT4 as a target of miR-34a stimulates p63 but inhibits p53 to promote human cell transformation.. . Biblioteca virtual para leer y descargar libros, documentos, trabajos y tesis universitarias en PDF. Material universiario, documentación y tareas realizadas por universitarios en nuestra biblioteca. Para descargar gratis y para leer online.
The results presented here were not predicted on the basis of previous epidemiologic and functional studies of Trop2, all of which pointed to a gain-of-function role for this protein in the development of aggressive cancer and tumor susceptibility (2-7, 11, 23, 32-34). As such, we expected that Trop2 ablation would hinder cancer development. Instead, through the use of a novel Trop2 knockout mouse model generated in our laboratory, we uncovered an unpredicted relationship between Trop2 loss and cancer development. In addition, we were able to confirm a relationship between Trop2 loss and an increased progression towards EMT during epithelial transformation. The epidemiologic analysis presented in this report is the first description, to our knowledge, of the association between Trop2 loss and EMT in any primary human tumor and highlights the clinical relevance of our findings. Collectively, these observations reveal a far more complex functional role for this protein in the multistep development ...
Lemotte, P K.; Adelstein, S J.; and Little, J B., "Malignant transformation induced by incorporated radionuclides in balb/3t3 mouse embryo fibroblasts." (1982). Subject Strain Bibliography 1982. 54 ...
In the last chapter, characteristics and mechanisms of the early stages of neoplastic develop- ment-initiation and promotion-were presented as being the result of cellular and molecular changes induced by specific ...
Sometimes the observations for a variable are not immediately suitable for analysis and instead need to be transformed using a mathematical function. Transformations are often used to normalise the distribution of a variable, but can be used to change the scale, offset the observations or even recode groups.. Excel cell formulas and custom VBA functions can be used to transform or calculate the data for a variable. Transformed and calculated data is treated just like any other variable as far as measurement scale and observation precision are concerned. Excel functions most commonly used for transformations are:. ...
This report examines the Digital Transformation market standing and opportunity of global plus major regions, from plans of manufacturers, regions, product types and end industries; this report investigates the best manufacturers in global and major regions and splits the Digital Transformation market by product type and applications/end industries. The Global Digital Transformation market is considered…
AGreenspan) 1.Are we to believe, that entities more than twice as smart as a genious level human, who are overseen by even more massive souls, would fail at such an important task, unless you are not being, shall I say, "fully forthcoming"? Furthermore, if one is to comprehend ZT, it is clear that THE HIGHER THE DEATH TOLL AMONG HUMANS THE FASTER THE TRANSFORMATION CAN OCCUR - are you therefor operating against yourselves ...
Transformation Lab Report Introduction Transformation is the transfers of virulence from one cell to another, through the transferring of genetic material
Abstract: Bundle gerbes are a higher version of line bundles, we present nonabelian bundle gerbes as a higher version of principal bundles. Connection, curving, curvature and gauge transformations are studied both in a global coordinate independent formalism and in local coordinates. These are the gauge fields needed for the construction of Yang-Mills theories with 2-form gauge potential ...
Ponten, Spontaneous and Virus Induced Transformation in Cell Culture, 2012, Buch, 978-3-7091-8260-4. Bücher schnell und portofrei
Learn how Recovery & Transformation Services (RTS) help clients dramatically improve performance, from distressed companies to organizations seeking to go from good to great.
We have found 31 NRICH Mathematical resources connected to Rotations, you may find related items under Transformations and constructions
We have found 3 NRICH Mathematical resources connected to Enlargements and scale factors, you may find related items under Transformations and constructions
Many multinationals need to undertake a fundamental transformation in emerging markets. By starting with one local operation, they can develop a robust methodology for subsequent rollouts.
Whenever an Xtend function is invoked - whether for M2M Xtend transformations or M2T Xpand templates, a Java Model Exception is thrown ...
PRO-TF Protein, Protein Bars, and Renuvo will change your life and give you that Transformation you have always been searching for.
PRO-TF Protein, Protein Bars, and Renuvo will change your life and give you that Transformation you have always been searching for.
download The Great Transformation in Higher Education, 1960: Contemporary Dialogues on the Left, J. Butler, Judith, and Joan Wallach Scott. have the Political, New York: Routledge. Butler, Judith, and Gayatri Chakravorty Spivak.
Designed to provide students with an integrative overview of mechanisms of growth control and malignant transformation by physical, chemical, and viral mechanisms. Introduction to growth factors, oncogenes, and suppressor genes. Includes an introduction to means of reverting or blocking malignant behavior with a particular emphasis on biochemical and molecular mechanisms ...
On Tue, Aug 11, 2009 at 2:24 PM, Mark Rijnbeek,[email protected], wrote: ,, MDL molfiles have the (0,0) coordinate in the lower left corner, as we ,, explored a couple of years ago... This made MDL molfiles draw in other ,, drawing application shown upside down. The old JChemPaint had horrible ,, code to fix this (combination of a translation *and* a mirroring). ,, This was one of the design goals of the new JChemPaint when we started ,, two(?) years ago, using proper Java2D and affine transformations. ,, Correction of the (0,0) is just one of those transformations applied ,, when converting world coordinates into screen coordinates. ,, , But why wasnt a solution for the molfile display incorporated during , the redesign of that horrible code then? It *was* incorporated... if it indeed is missing now, it was lost somewhere in time... , Did people just forget about the upside down effect perhaps? Dunno... this is a good example explaining my unit test fetish... ,,, Also (probably related) templates such ...
If Y is uniformly distributed over the interval (0,1), i.e. f(y) = 1 for 0| y | 1. Show that U = -2 loge(Y) has a negative exponential
By creating a strategic infrastructure and implementing Agile best practices, we helped this client achieve organizational parity.
Changing while things are still going well takes less time, costs less, and generates more value than reactive change. Heres how to get it right.
For some of us that sit at a computer all day, having the odd slice (or 10) of pizza to keep us going, the thought of shedding the pounds and toning up to a six-packed muscle-bound human might seem impossible. Apparently though it isnt.
Impediments to Change: In considering the forces for change, the business decision to be made, and their organizational consequences, leaders need to choose between treating the change in an incremental and linear way or in a.
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Placing the edge of a mirror on the y-axis will form a reflection in the y-axis. This can also be thought of as folding over the y-axis ...
The year 2020 might have started well, but as days passed by, adversity rolled its dice, uncoiling one of the toughest times of life. The ongoing COVID-19
When the thermodynamic process is a chemical reaction or a physical transformation, process is classified as either exothermic or endothermic dependin