Molecular Cytogenetics of Common Epithelial Cancers > Breast Carcinoma cell lines > BT20

BT20

Breast Cancer Cell Line

Description

   
Notable Features

Hyperdiploid, highly rearranged, with 30 structural rearrangements, some of them complex, with amplified region of chromosomes 6, 11, 20, most cells have double minutes (DMs), most involving chromosome1, some – chromosome 5. Losses involve chromosomes X, 1p, 8p, 10, 14, 17p; gains involve chromosomes 1q, 2, 7p, 20, 21.

   
Representative SKY Karyotype
   
   

48 (47-50) X, 1x1, der(1-14)(q10;q10), der(1)t(1q;5q;12), 2x1, der(2)t(2;8), der(2)t(X;2)dup(2), der(2)t(2;5)?, 3x1, der(3)del(3), der(3?)t(15;14;6?;3;9), 4x2, der(5)del(5)t(3;5), 6x1, der(6)t(6;7;6)(q23;?;q22-qter)dup(6)(q22-qter), 7x2, der(6-7)t(6;7p), i(7p), 8x1, der(8)t(16/5?;8q;5q), der(9?)t(der(9)t(X;9)?, der(9)t(9;10), der(9)t(5/16)dic(9-9), der(10)del(10)(q11-qter), der(10)t(X;10), der(10?)t(10;20)?, 11x1, der(11)t(5;11q)dup(11)(q14-qter), 12x1, der(12)t(12;2/X;12), 13x1, der(13)t(8;13q); der(14)del(14), 15x1, der(15)t(14;15), 16x1, der(16)t(3;16), 17x1, der(17)del(17)(p11-pter), 18x1, der(18)t(7;18), 19x1, der(19)dic(11;19; 11;1;11;13), 20x1, der(20)t(20;X;10;X;20)dup(20), 21x1, dic(21-21), 22x1, der(22)t(1;22), dmin

   
 
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Breast Cancer Cell Lines