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The purpose of this article was to observe interaction between drug and cancer cell with fluorescence probes and molecular imaging technology. In order to study the effect of cell growth and apoptosis morphology of Human gastric adenocarcinoma SGC-7901 induced by n-butanol extract from Capparis spionosa L. (CSBE), laser scanning microscopy was employed to observe apoptosis imaging. In addition, the...
Gene regulatory networks capture interactions between genes and other cell substances, resulting in various models for the fundamental biological process of transcription and translation. The expression levels of the genes are typically measured as mRNA concentration in micro-array experiments. In a so-called genetic perturbation experiment, small perturbations are applied to equilibrium states and...
Gene regulatory networks often occur at such small scales that their dynamics are controlled by individual molecular events. This discrete behavior causes significant quantities of intrinsic noise. In some cases, mechanisms exist in the system to repress this noise. With different parameters, the same mechanisms may amplify the noise. By examining the properties of how noise is transmitted through...
Fusion genes of ipt-GUS and GUS-ipt in transcription manner were expressed in Arabidopsis under the control of pOp /LhG4 system in non-invasive conditions. The activated Arabidopsis showed increased cytokinins of 2-25 folds of their inactive lines depending on the order of the ipt/GUS gene fusion. This paper has investigated the effects of the endogenously increased cytokinins on the transcriptions...
During the last years, the amount of genetic data available has increased rapidly which creates the demand for advanced techniques for their interpretation. In the following, we present an approach of applying communication theory for biological sequence analysis. We use an analogy to frame synchronization to gain more insights into transcription, the step of copying a gene into messenger RNA (mRNA)...
Microarray techniques provide new methods to find coregulated genes based on their coexpression profiles. Under the assumption that coregulated genes share cis acting regulatory elements, it is important to investigate the upstream sequences controlling the transcription of these genes. A modified Gibbs sampling algorithm with background interpolated Markov model (IMM) has been developed to detect...
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