T-cells are the body's sentinels, patrolling every corner of the body in search of foreign threats such as bacteria and viruses. Receptor molecules on the T-cells identify invaders by recognizing their specific antigens, ...
Biotechnology
Apr 10, 2014
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Studying lampreys allows biologists to envision the evolutionary past, because they represent an early offshoot of the evolutionary tree, before sharks and fish.
Cell & Microbiology
Aug 12, 2013
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(Phys.org) —A team of researchers at the Memorial Sloan-Kettering Cancer Center has developed a method for mass producing T cells that have been reprogrammed using stem cell technology to target and destroy cancerous tumors. ...
It is not only humans that sometimes experience difficulty having children. Horses too have a low birth rate, with many pregnancies failing within the first few weeks after conception. The reason is currently unknown but ...
Plants & Animals
Aug 2, 2013
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Recurrent infection is a common feature of persistent viral diseases. It includes episodes of high viral production interspersed by periods of relative quiescence. These quiescent or silent stages are hard to study with experimental ...
Mathematics
May 31, 2013
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(Phys.org) —Malignant catarrhal fever (MCF) is a disease that is almost always fatal in cattle. Cows contract MCF after coming into contact with wildebeest carrying a form of herpes virus known as alcelaphine herpesvirus ...
The ancient bones of newborns are very useful to recover the ancient DNA of the bacteria causing syphilis, the Treponema pallidum pallidum. This is the conclusion reached by a study led by Universitat Autonoma de Barcelona ...
Cell & Microbiology
Jul 3, 2012
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What happens to a stem cell at the molecular level that causes it to become one type of cell rather than another? At what point is it committed to that cell fate, and how does it become committed? The answers to these questions ...
Cell & Microbiology
Apr 12, 2012
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A central element of the immune system has remained constant through more than 400 million years of evolution, according to new research at National Jewish Health. In the September 29, 2011, online version of the journal ...
Evolution
Sep 30, 2011
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Alone among those infected with HIV-1, so-called elite controllers spontaneously maintain undetectable levels of viral replication even absent the benefit of anti-retroviral therapy. Now Mathias Lichterfeld of the Massachusetts ...
Cell & Microbiology
Sep 19, 2011
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