A growing body of work suggests that cell metabolism — the chemical reactions that provide energy and building materials — ...

During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and ...

The tissue is then implanted in the body ... single procedure. Currently available protein-delivery systems, such as biodegradable microspheres, provide only one to two weeks of continuous dosing ...

The engineered mice were unable to regulate their body temperature for the first eight hours following cold exposure, after which fat cells that use UCP1 took over, shutting down mitochondria and ...

How is it that your body with all of its specialized organs developed from a single cell? Scientists are exploring how gene expression patterns and their timing regulate cell differentiation.

Other research has also shown that healthy foods like whole grains and blueberries, along with vitamins like vitamin D, may ...

"When we removed Treg cells reactive to a single self-peptide ... system establishes self-nonself discrimination by purging the body of helper T cells that are reactive to self-peptides, thereby ...

Psilocybin is the well-known active ingredient in so-called magic mushrooms, which is converted in the body ... nerve cells that they had cultivated from stem cells. The result: Even a single ...

Over time, those single-celled organisms were able to ... stem cells (iPSCs), which can then develop into any type of cell in the body. Once these iPSCs were injected into the developing embryo ...

This protects cells by stopping too much water from entering or leaving them by osmosis. If body cells lose or gain too much water, they do not function efficiently. On the other hand, if the ...

If body cells lose or gain too much water by osmosis, they do not function efficiently. On the other hand, if the water concentration is too low outside compared to the inside of the cells ...

Here, travel into the tiny world of DNA, all the way down to the level of the atoms that make up a single DNA base. The human body contains about 100 trillion cells, each working together in a ...