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Amount of gene surplus determines severity of mental retardation in males

Medicine & Health / Genetics

created Dec 10, 2009 | popularity 5 / 5 (1) | comments 0

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; ...


Cloning plants from seeds

Biology / Biotechnology

created Dec 15, 2009 | popularity not rated yet | comments 0

(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.


A novel gene found for childhood-onset asthma

Medicine & Health / Diseases

created Dec 23, 2009 | popularity not rated yet | comments 0

Pediatric researchers have identified a novel gene involved in childhood asthma, in one of the largest gene studies to date of the common respiratory disease. Because the gene, called DENND1B, affects cells and signaling ...


New gene findings will help guide treatment in infant leukemia

Medicine & Health / Cancer

created Dec 05, 2009 | popularity not rated yet | comments 0

Pediatric oncologists have identified specific genes, dubbed partner genes, that fuse with another gene to drive an often-fatal form of leukemia in infants. By more accurately defining specific partner genes, researchers ...


Protein that represses genes may play role in cell growth

Medicine & Health / Genetics

created Dec 21, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A Cornell study shows the protein not only activates some genes involved in the regulation of cell growth and signaling, but also may play a role in preventing cancers by inhibiting cell proliferation.


Genetic studies reveal new causes of severe obesity in childhood

Medicine & Health / Genetics

created Dec 06, 2009 | popularity 5 / 5 (3) | comments 1

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 ...


Down Syndrome

Down Syndrome becoming more prevalent in the U.S.

Medicine & Health / Diseases

created Dec 02, 2009 | popularity 4.7 / 5 (9) | comments 4 weblog

(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 ...


Drug shows promise for T315I-mutated chronic myeloid leukemia

Medicine & Health / Cancer

created Dec 07, 2009 | popularity not rated yet | comments 0

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. ...


Researchers prove key cancer theory

Medicine & Health / Cancer

created Dec 07, 2009 | popularity not rated yet | comments 0

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 ...


Why females live longer than males: is it due to the father's sperm?

Medicine & Health / Research

created Dec 01, 2009 | popularity 4.6 / 5 (20) | comments 12

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 ...


Newly explored bacteria reveal some huge RNA surprises

Newly explored bacteria reveal some huge RNA surprises

Biology / Cell & Microbiology

created Dec 02, 2009 | popularity 4.9 / 5 (12) | comments 1

(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 ...


The battle of the sexes

Ovaries must suppress their inner male

Biology / Biotechnology

created Dec 10, 2009 | popularity 4.7 / 5 (9) | comments 0

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 ...


Second-line CML drugs evoke faster response than front-line therapy

Medicine & Health / Cancer

created Dec 07, 2009 | popularity not rated yet | comments 0

Two medications approved as treatment for drug-resistant chronic myeloid leukemia continue to provide patients with quicker, better responses as a first treatment than the existing front-line drug, researchers at The University ...


New gene linked to congenital heart defects

Medicine & Health / Genetics

created Dec 17, 2009 | popularity not rated yet | comments 0

(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 ...


New approach to sickle-cell disease shows promise in mice

Medicine & Health / Diseases

created Dec 07, 2009 | popularity not rated yet | comments 0

A new genetic approach to treating sickle cell disease is showing promising results in mice, report researchers from Children's Hospital Boston. By inactivating a gene they previously discovered to be important in the laboratory, ...