News tagged with chromosome damage
Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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Bacteria shed light on toxic medicine
A new method developed in Wageningen should facilitate the early testing of drugs, reducing costs and the need for animal testing.
Feb 15, 2011 |
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Punctuated evolution in cancer genomes
Remarkable new research overthrows the conventional view that cancer always develops in a steady, stepwise progression. It shows that in some cancers, the genome can be shattered into hundreds of fragments in a single cellular ...
Jan 06, 2011 |
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Genetics work could lead to advances in fertility for women
Princeton scientists have identified genes responsible for controlling reproductive life span in worms and found they may control genes regulating similar functions in humans.
Oct 22, 2010 |
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DNA and the 'magic rings' trick
(PhysOrg.com) -- A new study from UC Davis shows how, like a conjuring trick with interlocking rings, two interlocked pieces of DNA are separated after DNA is copied or repaired. The finding was published online Oct. 10 in ...
Oct 11, 2010 |
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Why chromosomes never tie their shoelaces
In the latest issue of the journal Nature, Miguel Godinho Ferreira, Principal Investigator at the Instituto Gulbenkian de Ciencia (IGC) in Portugal, lead a team of researchers to shed light on a paradox that has puzzled biolog ...
Medicine & Health / Medical research
Sep 08, 2010 |
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Researchers Present New Sex Evolution Theory
(PhysOrg.com) -- Harris Bernstein and Carol Bernstein have proposed a new theory on the billion-year-old mystery of sexual reproduction evolution.
Jul 08, 2010 |
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DNA mutation rates raise curtain on cause of cancer
What if we could understand why cancer develops? We know that certain risk factors, such as smoking or excessive sun exposure, can increase the chances of developing this terrible disease, but cancer can form in any tissue, ...
Jul 01, 2010 |
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Chromosome 'glue' surprises scientists
Proteins called cohesins ensure that newly copied chromosomes bind together, separate correctly during cell division, and are repaired efficiently after DNA damage. Scientists at the Carnegie Institution have found for the ...
May 06, 2010 |
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Key protein aids in DNA repair
Scientists have shown in multiple contexts that DNA damage over our lifetimes is a key mechanism behind the development of cancer and other age-related diseases. Not everyone gets these diseases, because the body has multiple ...
Apr 11, 2010 |
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Cancer researchers first to link intestinal inflammation with systemic chromosome damage
(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, ...
Jun 01, 2009 |
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