What makes your blood different from someone else’s is your unique combination of protein molecules, called antigens and antibodies. Antigens live on the surface of your red blood cells.

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First, antigen either needs to be multimeric, highly repetitive and at best rigidly organized, so that antigens can optimally crosslink membrane immunoglobulin on B cells, or it must be recognized ...

A new paper from MUSC Hollings Cancer Center researchers is helping to reveal the "rules" for engineering chimeric antigen receptor (CAR) Tregs. Tregs, or T-regulatory cells, have shown promise in ...

The immune system responds to an infection by producing antibodies that recognize and bind to the cell surface of the pathogen, thus marking it as an intruder and triggering an immune response. For ...

Antigenic variation is a key mechanism by which pathogens evade the immune system. New research has shown how trypanosomes change their antigen expression.

Rapid Antigen Test kit at Pharmacy Servais in Jodoigne, some 45kms south-east of Brussels on July 12, 2021. - Source: AFP As Greater Sydney's COVID outbreak continues to worsen, calls are growing ...

The rarest blood type is Rhnull. Unlike other blood types, people with Rhnull blood have no Rh antigens on their red blood cells. Healthcare professionals classify blood type according to the ...

The PSA test is a blood test that measures the amount of prostate specific antigen (PSA) in your blood. It can help to diagnose prostate cancer. Your doctor or nurse takes a sample of your blood. This ...

Antigen processing and presentation is the process by which protein antigen is ingested by an antigen-presenting cell (APC), partially digested into peptide fragments and then displayed on the ...

An antigen test, also known as a rapid test, is a faster, cheaper but less effective way to help determine who has COVID. Dr Peter Collignon ((KOL-in-yon)), from the Australian National University ...