نتایج جستجو برای: e4

تعداد نتایج: 3623  

Journal: :Oncology reports 2012
Bin Li Zhiming Wu Wenzhi Li Guojin Jia Jiancheng Lu Jie Fang Gang Chen

The aim of the study was to investigate the photodynamic effect of the novel photosensitizer chlorophyllin e4 against human bladder cancer cells. T24 and 5637 bladder cancer cell lines were incubated with chlorophyllin e4 and irradiated with a 650-nm laser light. The controls included cells treated with chlorophyllin e4 but without light as well a...

Journal: :Journal of virology 2008
Sally Roberts Sarah R Kingsbury Kai Stoeber Gillian L Knight Phillip H Gallimore Gareth H Williams

Productive infections by human papillomaviruses (HPVs) are restricted to nondividing, differentiated keratinocytes. HPV early proteins E6 and E7 deregulate cell cycle progression and activate the host cell DNA replication machinery in these cells, changes essential for virus synthesis. Productive virus replication is accompanied by abundant expression of the HPV E4 protein. Expression of HPV1 E...

2016
Rebecca G Bridges Sook-Young Sohn Jordan Wright Keith N Leppard Patrick Hearing

UNLABELLED Modulation of host cell transcription, translation, and posttranslational modification processes is critical for the ability of many viruses to replicate efficiently within host cells. The human adenovirus (Ad) early region 4 open reading frame 3 (E4-ORF3) protein forms unique inclusions throughout the nuclei of infected cells and inhibits the antiviral Mre11-Rad50-Nbs1 DNA repair co...

2017
Andrea Katzorke Julia B. M. Zeller Laura D. Müller Martin Lauer Thomas Polak Andreas Reif Jürgen Deckert Martin J. Herrmann

Apolipoprotein-E4 (APOE-E4) is a major genetic risk factor for developing Alzheimer's disease (AD). The verbal fluency task (VFT), especially the subtask category fluency, has shown to provide a good discrimination between cognitively normal controls and subjects with AD. Interestingly, APOE-E4 seems to have no effect on the behavioral performance during a VFT in healthy elderly. Thus, the purp...

Akbari MT2 Asgari N1

Background: Thrombophilia has been viewed as a multigenic disorder rather than a monogenetic clinical phenotype and Apo E has been shown to play an important role in lipid metabolism in pregnancy. As individuals carrying the E4 allele of the ApoE gene have the highest risk for thrombosis, we evaluated the frequency of the Apo E4 genotype among women suffering from recurrent pregnancy loss. Mate...

Journal: :Journal of virology 2013
Dipendra Gautam Eileen Bridge

Adenovirus (Ad) mutants that lack early region 4 (E4) are unable to produce the early regulatory proteins that normally inactivate the Mre11/Rad50/Nbs1 (MRN) sensor complex, which is a critical component for the ability of cells to respond to DNA damage. E4 mutant infection therefore activates a DNA damage response, which in turn interferes with a productive viral infection. MRN complex protein...

2014
Anne Abot Coralie Fontaine Mélissa Buscato Romain Solinhac Gilles Flouriot Aurélie Fabre Anne Drougard Shyamala Rajan Muriel Laine Alain Milon Isabelle Muller Daniel Henrion Marine Adlanmerini Marie-Cécile Valéra Anne Gompel Céline Gerard Christel Péqueux Mélanie Mestdagt Isabelle Raymond-Letron Claude Knauf François Ferriere Philippe Valet Pierre Gourdy Benita S Katzenellenbogen John A Katzenellenbogen Françoise Lenfant Geoffrey L Greene Jean-Michel Foidart Jean-François Arnal

Estetrol (E4) is a natural estrogen with a long half-life produced only by the human fetal liver during pregnancy. The crystal structures of the estrogen receptor α (ERα) ligand-binding domain bound to 17β-estradiol (E2) and E4 are very similar, as well as their capacity to activate the two activation functions AF-1 and AF-2 and to recruit the coactivator SRC3. In vivo administration of high do...

Journal: :NeuroImage 2009
Anqi Qiu Warren D. Taylor Zheen Zhao James R. MacFall Michael I. Miller Cynthia R. Key Martha E. Payne David C. Steffens K. Ranga R. Krishnan

Late-onset depression often precedes the onset of dementia associated with the hippocampal degeneration. Using large deformation diffeomorphic metric mapping (LDDMM), we evaluated apolipoprotein E epsilon-4 allele (apoE E4) effects on hippocampal volume and shape in 38 depressed patients without the apoE E4, 14 depressed patients with one apoE E4, and 31 healthy comparison subjects without the ...

Journal: :Journal of virology 2003
Jared D Evans Patrick Hearing

Adenovirus early proteins E4 ORF3 and E4 ORF6 have complementary functions during viral infection. Both proteins facilitate efficient viral DNA replication, late protein expression, and prevention of concatenation of viral genomes. Additionally, E4 ORF6 is involved in the shutoff of the host cell protein synthesis through its interaction with the E1B 55K protein. This complex also leads to the ...

2017
Lance A. Johnson Eileen Ruth S. Torres Soren Impey Jan F. Stevens Jacob Raber

Apolipoprotein E4 (E4) and type 2 diabetes are major risk factors for cognitive decline and late onset Alzheimer's disease (AD). E4-associated phenotypes and insulin resistance (IR) share several features and appear to interact in driving cognitive dysfunction. However, shared mechanisms that could explain their overlapping pathophysiology have yet to be found. We hypothesized that, compared to...

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