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Nuclei from GATA-1 -mutant embryonic stem cells can still be reprogrammed to express their globin genes in erythroid heterokaryons , indicating that de novo induction of GATA-1 is not required for globin gene activation following cell fusion .
 cell line: GATA-1 -mutant embryonic stem cells; cell type: erythroid heterokaryons; cell type: embryonic stem cells; DNA: globin genes; protein: GATA-1; protein: GATA-1; DNA: globin gene
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: GATA-1 -mutant embryonic stem cells, erythroid heterokaryons, embryonic stem cells, globin genes, GATA-1, GATA-1, globin gene 
Answer:
 cell line: GATA-1 -mutant embryonic stem cells; cell type: erythroid heterokaryons; cell type: embryonic stem cells; DNA: globin genes; protein: GATA-1; protein: GATA-1; DNA: globin gene