Expression of the human RAR-alpha in receptor-negative erythroblasts conferred RA -induced regulation of differentiation to the otherwise unresponsive cells , thus showing that the RAR-alpha is essential for the RA effect .
expression of the human rar-alpha in receptor-negative erythroblasts conferred ra -induced regulation of differentiation to the otherwise unresponsive cells , thus showing that the rar-alpha is essential for the ra effect .
O O O B-protein_molecule B-protein_molecule O B-cell_line I-cell_line O B-other_organic_compound O O O O O O O B-cell_type I-cell_type O O O O O B-protein_molecule O O O O B-other_name I-other_name O