RxCelerate, an out-sourced drug discovery and development company in the United Kingdom, has expanded to the United States, opening an office in Cambridge, MA. They have also appointed Laura Hamilton as executive vice president for U.S. Operations.   The company, founded in 2012 in Cambridge, England, offers a fully integrated discovery and development service to the pharma and biotech industry, ranging from medicinal chemistry, antibody discovery, preclinical safety, and efficacy throug...