Neuroscience

Brain stem cells divide over months

Stem cells create new nerve cells in the brain over the entire life span. One of the places this happens is the hippocampus, a region of the brain that plays a significant role in many learning processes. A reduction in the ...

Medical research

Fine-tuning stem cell metabolism prevents hair loss

A team of researchers from Cologne and Helsinki has discovered a mechanism that prevents hair loss: hair follicle stem cells, essential for hair to regrow, can prolong their life by switching their metabolic state in response ...

Oncology & Cancer

Researchers find new insights linking cell division to cancer

To replace aging and worn cells, the body primarily uses a process called mitosis, in which one cell divides into two. When a cell is ready to divide, it duplicates its DNA so a complete copy is available for each of the ...

Oncology & Cancer

The origin of genetic mutations in cancer

When a cell divides into two daughter cells, it must replicate its DNA according to a very specific scenario. In the presence of some disruptive elements, however, cancer cells are unable to perform this operation optimally; ...

Oncology & Cancer

Tumor mutations may predict response to immunotherapy

Mismatch repair deficiency refers to a characteristic of some cancer cells that create a large number of mutations, or changes, in certain genes when their mismatch repair proteins are unable to correct mistakes made when ...

Oncology & Cancer

The role of 'extra' DNA in cancer evolution and therapy resistance

Glioblastoma (GBM) is the most common and aggressive form of brain cancer. Response to standard-of-care treatment is poor, with a two-year survival rate of only 15 percent. Research is beginning to provide a better understanding ...

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