Home This week in gene and cell therapy - 4 January 2019 Gene and cell therapy headlines 31 December - 4 January Gene therapy for retinal disease choroideremia safe and effective Arbor Biotechnologies and Vertex Pharmaceuticals to partner for the development of gene therapies for CF and other diseases Celgene purchased by Bristol-Myers-Squibb Takeda expands into immuno-oncology cell therapies