Results 61 to 70 of about 3,750,929 (346)

Possible DNA Viral Factors of Human Breast Cancer

open access: yesCancers, 2010
Viruses are considered to be one of the high-risk factors closely related to human breast cancer. However, different studies of viruses in breast cancer present conflicting results and some of these works remain in dispute.
Chun-Ru Hsu   +3 more
semanticscholar   +1 more source

Brd4 is displaced from HPV replication factories as they expand and amplify viral DNA. [PDF]

open access: yesPLoS Pathogens, 2013
Replication foci are generated by many viruses to concentrate and localize viral DNA synthesis to specific regions of the cell. Expression of the HPV16 E1 and E2 replication proteins in keratinocytes results in nuclear foci that recruit proteins ...
Nozomi Sakakibara   +7 more
doaj   +1 more source

Biochemical prevention and treatment of viral infections – A new paradigm in medicine for infectious diseases [PDF]

open access: yes, 2004
For two centuries, vaccination has been the dominating approach to develop prophylaxis against viral infections through immunological prevention. However, vaccines are not always possible to make, are ineffective for many viral infections, and also carry
Fang, Fang, Le Calvez, Hervé, Yu, Mang
core   +3 more sources

Advances in Non-Viral DNA Vectors for Gene Therapy

open access: yesGenes, 2017
Uses of viral vectors have thus far eclipsed uses of non-viral vectors for gene therapy delivery in the clinic. Viral vectors, however, have certain issues involving genome integration, the inability to be delivered repeatedly, and possible host ...
Cinnamon L. Hardee   +3 more
semanticscholar   +1 more source

EFFICIENT PROPAGATION OF ARCHETYPE JC POLYOMAVIRUS IN COS-7 CELLS: EVALUATION OF REARRANGEMENTS WITHIN NCCR STRUCTURAL ORGANIZATION DURING TRANSFECTION. [PDF]

open access: yes, 2017
John Cunningham virus (JCPyV) is an ubiqui-tous human pathogen that causes disease in immunocom-promised patients. The JCPyV genome is composed of an early region and a late region, which are physically sepa-rated by the ...
Anzivino, Elena   +7 more
core   +1 more source

Topology of Viral DNA

open access: yes, 2010
Chromosome organization plays a key role in many biological processes. In viruses genome organization is essential for the packaging and releasing of the genome as well as for maintaining the stability of the viral capsid. This organization varies across different families and is highly dependent on the virus morphogenetic pathway (Casjens, 1997).
Arsuaga, Javier   +2 more
openaire   +2 more sources

Complexities associated with expression of Epstein-Barr virus (EBV) lytic origins of DNA replication. [PDF]

open access: yes, 2007
EBV has two lytic origins (oriLyt) of DNA replication lying at divergent sites on the viral genome within a duplicated sequence (DS). The latter contains potential hairpin loops, ‘hinge’ elements and the promoters for transcripts from viral genes BHLF1 ...
Griffin, BE, Xue, SA
core   +2 more sources

Evolution of the AGMK1-9T7 GLI1+ progenitor cells to become tumor cells and potentially cancer-stem cells

open access: yesAdvances in Cancer Biology - Metastasis
We have investigated the expression of selected genes and miRNAs that have been found to be associated with human cancer-stem cells for their involvement in the neoplastic evolution of our AGMK1-9T7 cell line from a non-tumorigenic status at passage (p ...
Andrew M. Lewis, Jr.   +7 more
doaj   +1 more source

ATRX promotes maintenance of herpes simplex virus heterochromatin during chromatin stress

open access: yeseLife, 2018
The mechanisms by which mammalian cells recognize and epigenetically restrict viral DNA are not well defined. We used herpes simplex virus with bioorthogonally labeled genomes to detect host factors recruited to viral DNA shortly after its nuclear entry ...
Joseph M Cabral   +2 more
doaj   +1 more source

Atomic force microscopy shows that vaccinia topoisomerase IB generates filaments on DNA in a cooperative fashion [PDF]

open access: yes, 2005
Type IB DNA topoisomerases cleave and rejoin one strand of the DNA duplex, allowing for the removal of supercoils generated during replication and transcription.
Dekker, Cees   +5 more
core   +2 more sources

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