The Liver: Helping Enzymes Help You!
Often these reactions require "help" to happen at a faster speed, and this can be supplied by enzymes—tiny types of proteins ... make a liver enzyme effective, whereas others can prevent it from working at all. A chemical reaction occurs when compounds ...
New type of insect repellant may be thousands of times stronger than DEET
(PhysOrg.com) -- Imagine an insect repellant that not only is thousands of times more effective than DEET – the active ingredient in most commercial mosquito repellants – but also works against all types ... specific compound can act as the basis ...
Scientists discover structure of a protein that makes cancer cells resistant to chemotherapy
"We've long known that P-glycoprotein plays a key role in multidrug resistance in cancer patients, and this work helps us understand how the protein can act on such a wide range of compounds," said ... protein to purify and make crystals from it," says ...
Compounds Activate Key Cancer Enzyme
Scientists have known for decades that cancer cells use more glucose than healthy cells, feeding the growth of some types of tumors ... we may be able to identify drugs that act on PKM2 or other metabolic enzymes that could be tested against human cancers."
New Varieties of Protein
It is derived directly from milk, unlike whey protein, a byproduct of cheese-making. Because it skips the cheese-making process, “it has not been affected by cheese cultures, enzymes ... sauces and compound coatings.” Another innovation in the soy ...