For the first time, research has uncovered the origins of the earliest domestic turkeys in ancient Mexico. The study also suggests turkeys weren’t only prized for their meat — with demand for the birds soaring with the Mayans and Aztecs because of their cultural significance in rituals and sacrifices.
An international team of researchers has unraveled a crucial aspect of the molecular basis of autoimmune and inflammatory diseases such as psoriasis, rheumatoid arthritis and Crohn’s disease. Focusing on the immunomodulatory cytokine IL-23 they discovered that its pro-inflammatory activity, which underlies a wide range of inflammatory diseases, critically depends on structural activation of the cytokine by its receptor, IL-23R.
Researchers have found that asymptomatic paroxysmal atrial fibrillation (AF) patients are more likely to be older, male, and have more comorbidities and a higher risk of stroke than symptomatic patients. In an analysis of a sustained AF (SAF) group, the prevalence of major comorbidities and stroke risk were comparable in both asymptomatic and symptomatic patients.
Researchers have shown that a regular season of play can cause changes in the brain that are similar to changes caused by concussion, though less severe. Using sophisticated Magnetic Resonance Spectroscopy the researchers looked at metabolite levels in the brains of female varsity rugby players at the beginning of their season, after suffering a concussion, and again at the end of the season.
Researchers estimate that over one quarter of the governmental public health workforce will disappear. They further project that while enough students graduate each year to replace retirees and others who voluntarily quit, they question whether the public health sector can compete with the private sector to hire qualified candidates.
A new article outlines a pioneering method of screening a person’s diverse set of antibodies for rapid therapeutic discovery. Antibody proteins are an important part of the human immune system that specifically target foreign viruses and bacteria, and they have been the fastest-growing class of approved drugs in the past several decades.
For the first time, researchers have shown that an optical fiber as thin as a human hair can be used to create microscopic structures with laser-based 3-D printing. The innovative approach might one day be used with an endoscope to fabricate tiny biocompatible structures directly into tissue inside the body.
Researchers combined two different types of 2-D materials — black phosphorus and bismuth vanadate — to form a biologically inspired water-splitting catalyst. Normal sunlight could drive the reactions and careful design of the catalyst enabled the expected ratio of hydrogen and oxygen production.