Protein BioTechnologies provides human clinical specimen derivatives and high-throughput protein and tissue microarrays. The company has assembled a large and comprehensive collection of ready-to-use human protein extracts. These human tissue lysates are offered for use in a range of applications and protocols. Cancer researchers will find that the collection of matched human tumor and normal tissue protein extracts will accelerate research by providing access to high quality, pathology-defined clinical specimens from a large variety of tissues and cancer types.