Profile: Proteintech Group, Inc develops & manufactures a wide spectrum of antibodies against all human proteins known as human antibody projects, thus providing the most effective tools for the identification and quantification of the vast number of known or unknown disease markers. We also offer a variety of polyclonal and monoclonal antibodies. We offer products for cell adhesion/junction proteins, cell cycle, growth factors/cytokines/hormones, membrane proteins/receptors, neurobiology, protein kinases/phosphatases, signaling intermediate, structural proteins, synthesis & degradation, transcription factors/regulators, transport & trafficking, and tumor suppressor/apoptosis.