Medical research

An experimental peptide could block COVID-19

In hopes of developing a possible treatment for COVID-19, a team of MIT chemists has designed a drug candidate that they believe may block coronaviruses' ability to enter human cells. The potential drug is a short protein ...

Oncology & Cancer

Scientists find new way to block cancer-causing HPV virus

The human papillomavirus (HPV) is the main cause of several cancers, including cervical cancer, which kills almost 300,000 women around the world each year. Although vaccines offer a proven first line of defense against HPV ...

Diabetes

Post-transplant diabetes may be reversible

Post-transplantation diabetes mellitus (PTDM), a common complication of immunosuppressive drugs that are given to prevent transplant rejection, may be reversible and at least partially preventable, researchers at Vanderbilt ...

Immunology

Predicting immunotherapy success

One of the frustrations with anti-cancer therapy is that no one drug fits all: Most work well in some people but have little effect in other patients with the same type of cancer. This is as true of the newer immunotherapy ...

Psychology & Psychiatry

Study finds potential new treatment for preventing PTSD

Research led by the Centre for Addiction and Mental Health (CAMH) published in the Journal of Clinical Investigation points to a groundbreaking discovery about a new potential treatment and prevention for post-traumatic stress ...

Diseases, Conditions, Syndromes

Redirecting the natural immune response to disrupt bacterial biofilms

Most bacterial species prefer to live in biofilms, where they are protected from antibiotic treatments and can lead to chronic and recurrent diseases in humans. To address this problem, researchers at Nationwide Children's ...

Immunology

Early immune response may improve cancer immunotherapies

In a paper published in the Journal of Biological Chemistry, University of Illinois at Chicago researchers and colleagues report a new mechanism for detecting foreign material during early immune responses.

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Peptide

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.

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