Key regulator of cell growth deciphered

The mTOR protein plays a central role in cell growth, proliferation and survival. Its activity varies according to the availability of nutrients and some growth factors, including hormones. This protein is implicated in several ...

A 'door' into the mitochondrial membrane

Mitochondria—the organelles responsible for energy production in human cells—were once free-living organisms that found their way into early eukaryotic cells over a billion years ago. Since then, they have merged seamlessly ...

Immune function remodeled by mitochondrial shape

A new study focused on the immune system's Th17 cells suggests that the shape and function of their mitochondria is important in autoimmune and inflammatory disorders, such as multiple sclerosis. T helper 17 (Th17) cells ...

Cell size regulates molecular separation

New research shows that cell size and membranes may play a key role in regulating the distribution of molecules inside cells. This discovery offers a new unconventional method for manipulating artificial cells via their size ...

First mouse model with mitochondrial tRNALeu mutation developed

Studying the role of mitochondria—the specialized structures within cells responsible for energy production—in metabolic diseases has been difficult because of a lack of animal models with the necessary mitochondrial ...

Scientists bring cultured meat closer to your kitchen table

Researchers at UCLA have created an edible particle that helps make lab-grown meat, known as cultured meat, with more natural muscle-like texture using a process that could be scaled up for mass production.

Sterile mice produce rat sperm

Researchers generated rat sperm cells inside sterile mice using a technique called blastocyst complementation. The advance appears August 4 in the journal Stem Cell Reports.

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