Báo cáo khoa học: Increased expression of c-Fos by extracell

Báo cáo khoa học: Increased expression of c-Fos by extracellular signal-regulated kinase activation under sustained oxidative stress elicits BimEL upregulation and hepatocyte apoptosis pot

... Increased expression of c-Fos by extracellular signal-regulated kinase activation under sustained oxidative stress elicits BimEL upregulation and hepatocyte apoptosis Yasuhiro ... reactive oxygen species and apoptosis in rat primary hepatocytes. Apoptosis was accompanied by increased expression of BimEL, following activation of extrace...

Ngày tải lên : 06/03/2014, 00:21

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Báo cáo khoa học: The expression of retinoblastoma and Sp1 is increased by low concentrations of cyclin-dependent kinase inhibitors ppt

... the expression of Rb and Sp1. Fig. 1. Eﬀects of UCN-01 on the levels of Rb and Sp1 protein. (A), (B) Dose–response of the eﬀect of UCN-01 on the levels of retinoblastoma gene product (Rb) and ... Rb and Sp1 protein caused by CDK inhibitors in CHO cells The increase in total levels of Rb and Sp1 proteins caused by UCN-01 may be a result of the enhanced transcrip...

Ngày tải lên : 16/03/2014, 23:20

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Báo cáo khoa học: Increased sensitivity of glycogen synthesis to phosphorylase-a and impaired expression of the glycogen-targeting protein R6 in hepatocytes from insulin-resistant Zucker fa ⁄ fa rats pptx

... de- phosphorylation of phosphorylase-a and activation of glycogen synthase [28]. Overexpression of PTG caused inactivation of phosphorylase (Fig. 4A), activation of glycogen synthase and stimulation of glycogen ... synthesis and glucokinase activity was determined by overexpression of glucokinase with varying titres of recombinant adenovirus. Although glycogen...

Ngày tải lên : 30/03/2014, 11:20

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Tài liệu Báo cáo khoa học: Homologous expression of the nrdF gene of Corynebacterium ammoniagenes strain ATCC 6872 generates a manganese-metallocofactor (R2F) and a stable tyrosyl radical (Y•) involved in ribonucleotide reduction ppt

... fraction. In-gel digestion of the R2F band and protein identiﬁcation by Q-TOF MS-MS was performed as described previously [50]. Preparation of the native R2F-protein For enrichment of R2F from C. ammoniagenes ... vitro, and 1 mm MgCl 2 in 85 mm potassium phosphate buffer (pH 6.6). The reaction was started by addition of the catalytically active holoenzyme for 5 min of incuba...

Ngày tải lên : 15/02/2014, 01:20

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Tài liệu Báo cáo khoa học: Differential expression of duplicated LDH-A genes during temperature acclimation of weatherﬁsh Misgurnus fossilis Functional consequences for the enzyme ppt

... or excess of kinetic energy (as a measure of temperature) and its effect on enzyme activity. Alternatively, we know of a number of examples of qualitative strategies, for example, when expression of distinctly ... activity) of an enzyme can be chan- ged by affecting rates of transcription and ⁄ or transla- tion and ⁄ or mRNA and protein degradation. This represents...

Ngày tải lên : 19/02/2014, 02:20

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Tài liệu Báo cáo khoa học: Altered expression of CD1d molecules and lipid accumulation in the human hepatoma cell line HepG2 after iron loading pptx

... chamber under a light micro- scope. Measurement of oxidative stress and DNA content Oxidative stress was measured through the detection of ROS and of protein-bound acrolein. ROS produced within HepG2 ... Interestingly, increased expression of CD1d molecules by iron-loaded HepG2 cells was associated with increased phosphatidylserine expression in the outer leaﬂe...

Ngày tải lên : 19/02/2014, 16:20

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Tài liệu Báo cáo khoa học: Enhanced expression of Mcm proteins in cancer cells derived from uterine cervix docx

... presence of turnover of the protein. Quantitation of the Mcm4 band suggested that the protein stability of Mcm4 does not greatly differ between HeLa and WI-38 cells (Fig. 5C). Expression of Mcm3 and ... of Mcm expression in normal human ﬁbroblasts from umbilical cord (HUC-F cells) and WI-38 cells. Expression of the human Mcm2 gene To understand the mechanism behind t...

Ngày tải lên : 20/02/2014, 23:20

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Báo cáo khoa học: Temporal expression of heat shock genes during cold stress and recovery from chill coma in adult Drosophila melanogaster pdf

... differential activation of the various Drosophila heat shock factor (HSF) isoforms [54] or from incomplete activation of HSFs under cold stress, as observed under mild heat stress [55]. Upregulation of ... 9 h of cold stress at 0 °C and during 8 h of recovery at 25 °C. Increased expression of some, but not all, Hsp genes was elicited in response to cold stres...

Ngày tải lên : 06/03/2014, 09:22

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Báo cáo khoa học: Increased susceptibility of b-glucosidase from the hyperthermophile Pyrococcus furiosus to thermal inactivation at higher pressures pptx

... Heremans 2 and Remko M. Boom 1 1 Food and Bioprocess Engineering Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, The Netherlands 2 Department of Chemistry, ... that inactivation of the dimeric almond b-glucosidase was not a result of unfolding, dissociation or aggregation of the intact enzyme [16]. Inﬂuence of temperature o...

Ngày tải lên : 07/03/2014, 03:20

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Báo cáo khoa học: Functional expression of olfactory receptors in yeast and development of a bioassay for odorant screening docx

... gene under the control of the GAL10 pro- moter. The induction of the yeast, by galactose containing media, results in overexpression of GAL4, in turn inducing an increase of the expression of the ... Identiﬁca- tion of ligands for olfactory receptors by functional expression of a receptor library. Cell 95, 917–926. 20 Hatt H, Lang K & Gisselmann G (2001) Functional...

Ngày tải lên : 07/03/2014, 16:20

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