News tagged with human cells

Single gene change increases mouse lifespan by 20 percent

By lowering the expression of a single gene, researchers at the National Institutes of Health have extended the average lifespan of a group of mice by about 20 percent—the equivalent of raising the average human lifespan ...

Aug 29, 2013
popularity 4.9 / 5 (11) | comments 1 | with audio podcast

Researchers discover a potential cause of autism

Problems with a key group of enzymes called topoisomerases can have profound effects on the genetic machinery behind brain development and potentially lead to autism spectrum disorder (ASD), according to ...

Aug 28, 2013
popularity 4.7 / 5 (11) | comments 1 | with audio podcast

One in four has alarmingly few intestinal bacteria

All people have trillions of bacteria living in their intestines. If you place them on a scale, they weigh around 1.5 kg. Previously, a major part of these 'blind passengers' were unknown, as they are difficult or impossible ...

Aug 28, 2013
popularity 5 / 5 (12) | comments 1 | with audio podcast

Immunology: White blood cells show their stripes

For the human immune system to work effectively, the body must be able to distinguish invading pathogens, such as fungi and bacteria, from its own healthy tissue. A group of white blood cells known as dendritic ...

Aug 28, 2013
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Researchers develop software tool for cancer genomics

Researchers at the Medical College of Wisconsin (MCW) have developed a new bioinformatics software tool designed to more easily identify genetic mutations responsible for cancers. The tool, called DrGaP, is the subject of ...

Aug 26, 2013
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Skin cell defect is surprising allergy trigger

In a new study published in Nature Genetics, Northwestern Medicine and Tel Aviv University scientists have found that a structural defect in skin cells can contribute to allergy development, including skin and food allerg ...

Aug 26, 2013
popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Team creates cells that line blood vessels

In a scientific first, Harvard Stem Cell Institute scientists have successfully grown the cells that line the blood vessels—called vascular endothelial cells—from human induced pluripotent stem cells (iPSCs), revealing ...

Aug 22, 2013
popularity 5 / 5 (6) | comments 0 | with audio podcast

How untying knots promotes cancer

Researchers have long known that high levels of a specific protein in human cells are linked to tumor growth – but no one has fully understood how.

Aug 20, 2013
popularity 4.9 / 5 (7) | comments 0 | with audio podcast