News tagged with chromosome damage
Cancer researchers first to link intestinal inflammation with systemic chromosome damage
Jun 01, 2009 |
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(PhysOrg.com) -- UCLA scientists have linked for the first time intestinal inflammation with systemic chromosome damage in mice, a finding that may lead to the early identification and treatment of human inflammatory disorders, ...
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Experienced pilots may be at risk of DNA damage from ionizing radiation
Dec 11, 2008 |
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Airline pilots who have flown for many years may be at risk of DNA damage from prolonged exposure to cosmic ionising radiation, suggests a study published ahead of print in Occupational and Environmental Medicine.
'Achilles' heel' in Y chromosome linked to sex disorders
Sep 03, 2009 |
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The unique mechanism behind the evolutionary survival of the human Y chromosome may also be responsible for a range of sex disorders, from failed sperm production to sex reversal to Turner Syndrome.
Double identities lie behind chromosome disorders
Jul 08, 2007 |
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Chromosome disorders in sex cells cause infertility, miscarriage and irregular numbers of chromosomes (aneuploidy) in neonates. A new study from Karolinska Institutet published in the scientific journal Nature Genetics shows ...
Two proteins found on telomeres control DNA damage response pathways
Biology /
Aug 10, 2007 |
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No sooner had cells evolved linear chromosomes than they had a life-threatening problem to solve. To the machinery that repairs broken DNA, chromosome ends look a lot like breaks in need of mending, so they ...
How cells handle broken chromosomes
Feb 13, 2009 |
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(PhysOrg.com) -- After being recognized and initially processed by the cellular machinery, the broken chromosome is extensively scanned for homology and the break itself is later tethered to the nuclear envelope. Thus the ...
Scientists show how DNA repairs may reshape the genome
Biology /
Aug 13, 2008 |
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Researchers at Duke University Medical Center and at the National Institute of Environmental Health Sciences (NIEHS) have shown how broken sections of chromosomes can recombine to change genomes and spawn new species.
Common weed could provide clues on aging and cancer
Oct 26, 2009 |
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A common weed and human cancer cells could provide some very uncommon details about DNA structure and its relationship with telomeres and how they affect cellular aging and cancer, according to a team led by scientists from ...
Chromosome glue repairs damaged DNA
Biology /
Jul 13, 2007 |
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When a strand of DNA breaks in the body's cells, it normally does not take long until it has been repaired. Now researchers at the Swedish medical university Karolinska Institutet have discovered a new mechanism that helps ...
Researchers shed light on shrinking of chromosomes
Jun 11, 2007 |
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A human cell contains an enormous 1.8 metres of DNA partitioned into 46 chromosomes. These have to be copied and distributed equally into two daughter cells at every division. Condensation, the shortening of chromosomes, ...
Critical protein prevents DNA damage from persisting through generations
Biology /
Jun 29, 2007 |
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A protein long known to be involved in protecting a cell from genetic damage has been found to play an even more important role in protecting the cell’s offspring. New research shows that the protein, known ...
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