Complex sentence: Cohen syndrome (also known as Pepper syndrome or Cervenka syndrome, named after Michael Cohen, William Pepper and Jaroslav Cervenka, who researched the illness) is believed to be a gene mutation at locus 8q22 gene COH1.
Split into simpler sentences: Cohen syndrome (also known as Pepper syndrome or Cervenka syndrome, named after Michael Cohen, William Pepper and Jaroslav Cervenka, who researched the illness) is a genetic disorder. This syndrome is believed to be a gene mutation at locus 8q22 gene COH1.