1063
In contrast to hematopoietic cells , I kappa B alpha -/- embryonic fibroblasts show minimal constitutive NF-kappa B , as well as normal signal-dependent NF-kappa B activation that is concomitant with I kappa B beta degradation .
 protein: NF-kappa B; protein: NF-kappa B; protein: I kappa B alpha; protein: constitutive NF-kappa B; cell line: I kappa B alpha -/- embryonic fibroblasts; protein: I kappa B beta; cell type: hematopoietic cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B; protein: NF-kappa B; protein: I kappa B alpha; protein: constitutive NF-kappa B; cell line: I kappa B alpha -/- embryonic fibroblasts; protein: I kappa B beta; cell type: hematopoietic cells