More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...

Blood type A(B) is caused by a four gene mutations and was discovered when the blood of patients and donors was being studied in a Thai hospital.

Researchers have found a way to use a pair of enzymes from a human gut bacterium to convert type A to the universal donor type O blood, according to a report published June 10 in Nature Microbiology.

Es wird die Hypothese diskutiert, die Unterschiede in der relativen Häufigkeit der Alíele bei den Bevölkerungen der Welt seien durch verschiedene Anfälligkeit der Träger dieser Blutgruppen gegenüber ...

An antigen is any substance that can trigger an immune response in the body. Antigens are typically proteins or polysaccharides that are recognized as foreign or potentially harmful by the immune ...

Any substance that induces the immune system to produce antibodies against it is called an antigen. Any foreign invaders, such as pathogens (bacteria and viruses), chemicals, toxins, and pollens, can ...