6001
Sequencing of BRCA1 amplified from genomic DNA of lymphocytes and microdissected ovarian tumor cells of a familial ovarian cancer patient revealed three, rare heterozygous DNA variations ( 2418delA , 233G-->A , and IVS1-10T-->C ) in both tumor and constitutional (lymphocyte) DNA .
 genomic DNA, lymphocytes, microdissected ovarian tumor cells, BRCA1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 genomic DNA, lymphocytes, microdissected ovarian tumor cells, BRCA1