The announcement that Sir John Gurdon had been awarded the 2012 Nobel Prize for Medicine or Physiology was received with great joy by developmental biologists. It was a very special occasion because of his total dedication to science and turning the Golden Rule of western civilization - love your neighbor as yourself - into a reality in our field. This essay attempts to explain how John became ...

The ability to obtain genetically identical offspring in cattle (clones) is useful for research and for potential applications to breeding schemes. Experimental possibilities for generating such animals have evolved considerably in the last two decades. Embryo splitting has become a relatively simple technique but is limited to twinning. Embryonic nuclear transfer has improved and is associated...

fifty-seven patients suffering from systemic lupus erythematosus with different clinical features were studied from various aspects of immunological abnormalities, including anti-nuclear antibodies; anti-dna; anti-sm (smith's antigen); and, other extractable nuclear antigens. the tests employed were microhemagglutination, counter immunoelecterphoresis, and radio immunoassay (ria). the compariso...