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Tag: "autophagy" at biology news

Targeted virus compels cancer cells to eat themselves

...ization among the cancer cells -- a process called autophagy -- to reduce tumor size and extend survival, says ... adenovirus) infected the glioma cells and induced autophagy by inactivating a molecular pathway -- the mammalian target of rapamycin (mTOR) pathway -- that is...

Tumor cells evade death through autophagy

...the University of Pennsylvania have now shown that autophagy represents a survival mechanism for tumor cells tr...tosis was induced by activation of p53 expression, autophagy was observed only in tumor cells not undergoing apoptosis. If mice were unable to initiate autophagy...

Protein found to shield pancreatic cancer cells from self-destruction

...xpression (up to 94 percent) and telltale signs of autophagy in the cancer cells, which became riddled with cavities called vacuoles. When autophagy occurs, a double membrane forms around a cell organ, or organelle. This autophagosome then merges wi...

Scientists find new genes for Crohn's disease

...minate some pathogenic bacteria—a pathway known as autophagy (pronounced AU-TOF-A-GEE ). Finding ATG16L1's ...6L1 gene leads to alterations in how the body uses autophagy and therefore may result in increased persistence of [toxic] cellular and bacterial components. This...

Penn researchers link cell's protein recycling systems

...t worse,” says Taylor. “Then when we activated the autophagy system by feeding the flies a drug called rapamyci...ed that if the HDAC6 gene is knocked out, inducing autophagy no longer rescues the fly eyes from neurodegeneration. Therefore, autophagy requires HDAC6 to work. ...

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(Date:8/19/2014)... at retail seafood counters in 10 different states ... consumers to unexpectedly high levels of mercury, a ... a fish of the same species, but from ... offense, according to new research by University of ... seafood is essential to allow consumers to choose ...
(Date:8/19/2014)... seas during warm phases and became extinct during cold ... a link between marine crocodilian diversity and the evolution ... 140 million years. , The research, led by ... and formerly from the University of Bristol, UK is ... crocodiles are ,cold-blooded, animals that mainly live in fresh ...
Breaking Biology News(10 mins):Seafood substitutions can expose consumers to unexpectedly high mercury 2Seafood substitutions can expose consumers to unexpectedly high mercury 3Evolution of marine crocodilians constrained by ocean temperatures 2
(Date:8/20/2014)... through fast-moving waters may be at risk, suggests new ... salmon encounter turbulent, fast-moving water such as rapids ... upstream using a behaviour known as "burst swimming" that ... sockeye passed through extremely fast-moving water, we started to ... spawning grounds," said Nicholas Burnett, a research biologist at ...
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