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Ashley Yeager

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Science Ticker

Gene variant, processed meat linked to boost in cancer risk

For people with a specific gene variant, eating a lot of processed meat may increase their risk of getting colon cancer.

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Eating processed meat is associated with an increased risk of developing colon cancer in people who have the gene variant rs4143094, researchers report April 17 in PLOS Genetics. One in three people have this altered gene, which is found on the same region of chromosome 10 as GATA3, a gene that has been linked to other forms of cancer.

About 30 other gene variants have been linked to colon cancer, but the way certain foods affect gene activity isn’t clear yet, the scientists say.

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Cells,, Human Development

Protein that gets sperm into egg identified

By Ashley Yeager 8:00pm, April 17, 2014
The protein Folr4 on a reproductive egg plays this crucial role in the fusion of the sperm and egg, research shows.
Neuroscience,, Mental Health

Even with rest, brain changes linked to football linger

By Ashley Yeager 5:15pm, April 17, 2014
The offseason may not allow enough time for football players' brains to heal from hard hits.
Paleontology

Early meat-eater may have led to larger plant-eaters

By Ashley Yeager 3:06pm, April 17, 2014
The newly identified Eocasea martini may have set the stage for later, much larger animals to become plant-eaters.
Genetics,, Human Development

Down’s syndrome goes beyond chromosome 21

By Ashley Yeager 6:20pm, April 16, 2014
A genetic analysis suggests that the DNA changes linked to Down's syndrome happen on all chromosomes, not just the 21st.
Paleontology,, Animals

Fish gill fossils gnaw at ideas of jaw evolution

By Ashley Yeager 1:45pm, April 16, 2014

Bony fishes, not modern sharks, may provide a better understanding of the earliest jawed animals and the evolution of the jaw itself.

Quantum Physics

Excitons' motions captured in images

By Ashley Yeager 12:45pm, April 16, 2014
Scientists have observed how quasiparticles called excitons move.
Planetary Science,, Astronomy

Saturn may be getting a new moon

By Ashley Yeager 2:36pm, April 15, 2014
An icy object within Saturn's rings may be a new moon in the making.
Genetics

Modern hunter-gatherers' guts host distinct microbes

By Ashley Yeager 12:27pm, April 15, 2014
A healthy collection of gut bacteria depends on the environment in which people live and their lifestyle, research shows.
Clinical Trials,, Biomedicine,, Health

Hepatitis C treatment appears extremely effective

By Ashley Yeager 12:24pm, April 14, 2014
A mix of four medications has provided the most effective way to date to counter the hepatitis C virus in humans.
Cells,, Genetics

How cells keep from popping

By Ashley Yeager 2:43pm, April 11, 2014
The protein SWELL1 stops cells from swelling so much that they burst, a new study shows.
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