Related topics: protein · cancer cells · cancer · stem cells · immune system

How cells manage their mRNA stockpile and its output

In a typical cell, genes encoded in DNA are used to make messenger RNA (mRNA), which is used to make proteins, and this process of gene expression keeps the cell running. Gene expression is regulated in each cell such that ...

Iron restriction keeps blood stem cells young, researchers find

As we age, our hematopoietic (blood-forming) stem cells (HSCs) become less able to produce new red and white blood cells and other vital blood components—contributing to chronic inflammation and accelerating the onset of ...

How does a bacterium know it's time to split apart?

Bacterial cells do not wake up one morning and decide to become parents. But there is a point in their cell cycle—after growing sufficiently and replicating their genomes—when they split in two, creating new cells that ...

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