Health & Fitness

Suddenly they appear and -- like the SARS-CoV-2 coronavirus -- can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In particular, the exchange of genetic material between different virus species can lead to the sudden emergence of threatening pathogens with significantly altered characteristics.

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Nature gave ticks, mosquitoes and leaches a quick-acting way to keep blood from clotting while they extract their meal from a host. Now the key to that method has been harnessed by a team of researchers as a potential anti-clotting agent that could be used as an alternative to heparin during angioplasty, dialysis care, surgeries and other procedures.

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Researchers have made a surprising new discovery in the structure of the centromere, a structure that is involved in ensuring that chromosomes are segregated properly when a cell divides. Mistakes in chromosome segregation can lead to cell death and cancer development. The researchers discovered that the centromere consists of two subdomains. This fundamental finding has important implications for the process of chromosome segregation and provides new mechanisms underlying erroneous divisions in cancer cells. The research was published in Cell on May 13th 2024.

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Researchers undertook a study of older adults to examine the connection between a sense of economic insecurity and a person's participation in social activities.

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An experimental treatment made from a plant virus is effective at protecting against a broad range of metastatic cancers in mice, shows a new study. The treatment, composed of nanoparticles fashioned from the cowpea mosaic virus -- a virus that infects black-eyed pea plants -- showed remarkable success in improving survival rates and suppressing the growth of metastatic tumors across various cancer models, including colon, ovarian, melanoma and breast cancer.

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