News tagged with peptides

Related topics: protein · alzheimer s disease · blood vessels · amino acids · cells

Is this peptide a key to happiness?

(Medical Xpress)—What makes us happy? Family? Money? Love? How about a peptide? The neurochemical changes underlying human emotions and social behavior are largely unknown. Now though, for the first time in humans, scientists ...

Mar 07, 2013
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Nanofibers may help treat heart attacks

(Medical Xpress) -- Cardiovascular diseases kill over 17 million people a year globally, according to the World Health Organization, and many more suffer heart attacks but recover. Even those who do recover are more prone ...

Aug 10, 2012
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Flu infection reveals many paths to immune response

A new study of influenza infection in an animal model broadens understanding of how the immune system responds to flu virus, showing that the process is more dynamic than usually described, engaging a broader array of biological ...

Sep 28, 2015
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Plant science could aid Alzheimer's research

A finding by an international team of plant biologists could be important in research into Alzheimer's and other age-related diseases.The study is published this week in the prestigious journal Proceedings of the National ...

Sep 23, 2013
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Peptides (from the Greek πεπτίδια, "small digestibles") are short polymers formed from the linking, in a defined order, of α-amino acids. The link between one amino acid residue and the next is known as an amide bond or a peptide bond.

Proteins are polypeptide molecules (or consist of multiple polypeptide subunits). The distinction is that peptides are short and polypeptides/proteins are long. There are several different conventions to determine these, all of which have caveats and nuances.

This text uses material from Wikipedia, licensed under CC BY-SA

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