Medical research

Latent virus and life expectancy

The telomeres are repetitive DNA sequences at each end of our chromosomes. Studies show that in every cell division, the telomere is shortened. As a result, the telomere limits the cell to a fixed number of divisions and ...

Medical research

Research resolves contradiction over protein's role at telomeres

Mice and humans share a lot more than immediately meets the eye, and their commonalities include their telomeres, protective ends on chromosomes. But in recent years, the role of one particular protein at telomeres has puzzled ...

Oncology & Cancer

How the ends of chromosomes are maintained for cancer cell immortality

Maintaining the ends of chromosomes, called telomeres, is a requisite feature of cells that are able to continuously divide and also a hallmark of human cancer. "Telomeres are much like the plastic cap on the ends of shoelaces—they ...

Genetics

Researchers discover a new gene involved in obesity

The discovery of an unexpected function for a gene that was associated to another process in the organism might be a solution in search of a problem, a clue to unsuspected connections. That is what has happened with RAP1, ...

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