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Researchers find human protein that prevents H1N1 influenza infection
Dec 17, 2009 |
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Howard Hughes Medical Institute researchers have identified a naturally occurring human protein that helps prevent infection by H1N1 influenza and other viruses, including West Nile and dengue virus.
Introns: A mystery renewed
Dec 10, 2009 |
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The sequences of nonsense DNA that interrupt genes could be far more important to the evolution of genomes than previously thought, according to a recent Science report by Indiana University Bloomington and ...
Newly explored bacteria reveal some huge RNA surprises
Dec 02, 2009 |
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(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...
Down Syndrome becoming more prevalent in the U.S.
Dec 02, 2009 |
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(PhysOrg.com) -- A new study, aimed at estimating the prevalence of Down Syndrome in newborns, children and teenagers in 10 areas of the U.S., has found an increase in prevalence of more than 30 percent over ...
Why females live longer than males: is it due to the father's sperm?
Dec 01, 2009 |
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Researchers in Japan have found that female mice produced by using genetic material from two mothers but no father live significantly longer than mice with the normal mix of maternal and paternal genes. Their findings provide ...
Ovaries must suppress their inner male
Dec 10, 2009 |
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For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...
Genetic studies reveal new causes of severe obesity in childhood
Dec 06, 2009 |
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Scientists in Cambridge have discovered that the loss of a key segment of DNA can lead to severe childhood obesity. This is the first study to show that this kind of genetic alteration can cause obesity. The results are published ...
Random DNA mix-ups not so random in cancer development
Dec 03, 2009 |
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Researchers at the UC San Diego School of Medicine have pinpointed a mechanism that may help explain how chromosomal translocations - the supposedly random shuffling of large chunks of DNA that frequently lead to cancer - ...
Gene mismatch influences success of bone marrow transplants
Nov 22, 2009 |
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A commonly inherited gene deletion can increase the likelihood of immune complications following bone marrow transplantation, an international team of researchers reports in the November 22 advance online issue of Nature Ge ...
New gene linked to congenital heart defects
Dec 17, 2009 |
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(PhysOrg.com) -- Researchers from the UC San Diego School of Medicine and colleagues have identified a new gene, ETS-1, that is linked to human congenital heart defects. The landmark study, recently published online in the ...
Cloning plants from seeds
Dec 15, 2009 |
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(PhysOrg.com) -- Wageningen geneticists (The Netherlands) are developing a method to replicate the parents of a chosen plant. Known as 'reverse breeding', this will have a big impact for the breeding industry.
Amount of gene surplus determines severity of mental retardation in males
Dec 10, 2009 |
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Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; ...
New molecule identified in DNA damage response
Dec 08, 2009 |
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(PhysOrg.com) -- Evolution places the highest premium on reproduction, natural selection’s only standard for biological success. In the case of replicating cells, life spares no expense to ensure that the ...
Researchers prove key cancer theory
Dec 07, 2009 |
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Mayo Clinic researchers have proven the longstanding theory that changes in the number of whole chromosomes -- called aneuploidy -- can cause cancer by eliminating tumor suppressor genes. Their findings, which appear in the ...
Drug shows promise for T315I-mutated chronic myeloid leukemia
Dec 07, 2009 |
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Results from a phase II clinical trial indicate a novel drug may provide a treatment option for chronic myeloid leukemia (CML) patients who do not respond to current therapies, researchers from The University of Texas M. ...
