How a two-faced molecule can silence problematic genes

T and B lymphocytes, which are part of a group of immune cells commonly called white blood cells, work together to eliminate foreign invaders in the body such as viruses. However, certain diseases can arise when T and B cells ...

Why natural killer cells react to COVID-19

Little has been known to date about how the immune system's natural killer (NK) cells detect which cells have been infected with SARS-CoV-2. An international team of scientist led by researchers from Karolinska Institutet ...

The point of no return: Chromatin enforces cell fate decisions

Stem cells balance self-renewal with differentiation into mature cells. A fundamental and intriguing question is when during the process of maturation a cell reaches a "point of no return," losing its capacity to self-renew ...

Lungfish cocoon found to be living antimicrobial tissue

A team of researchers from the University of New Mexico, the University of California and the University of Murcia has found that the cocoon created by lungfish living in dry lakebeds in Africa is made of living antimicrobial ...

Killing bacteria with nanoparticles

Researchers from the University of Southampton, working with colleagues at the Defence Science and Technology Laboratory (Dstl), have developed a new technology based on nanoparticles to kill dangerous bacteria that hide ...

The vast little library inside your cells

The human genome can be thought of as a massive library, containing over 20,000 different "instruction manuals": your genes. For example, there are genes which contain information to build a brain cell, a skin cell, a white ...

Vitamin D supplement may enhance dairy cows' immune health

Known as a crucial component in the body's ability to absorb and retain calcium, essential to processes such as the development and maintenance of healthy bones, vitamin D has also been found to play important roles in immune ...

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