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. 1998 Sep;153(3):887–897. doi: 10.1016/S0002-9440(10)65630-1

Table 5.

Summary of p16/INK4A Genetic Alteration Findings in the Group with Loss of p16/INK4A Protein Expression

Number Diagnosis p16 protein expression* Gene status Allelic loss at 9p21 Methylation in exon 1§
L174 MALT+ DLBCL −/+ wt met +
L139 MALT+ DLBCL wt ND met+
MT51 MALT + DLBCL wt LOH met+
MT53 MALT+ DLBCL wt LOH
L198 MALT+ DLBCL wt
L182 FL+ DLBCL wt
LF4 FL+ DLBCL wt LOH
L168 FL+ DLBCL wt ND
L173 Nodal DLBCL wt met+
L169 Nodal DLBCL wt ND met+
BK13 Burkitt’s lymphoma −/+ wt ND
BK20 Burkitt’s lymphoma −/+ Mut ND
BK21 Burkitt’s lymphoma −/+ wt met+

*p16 protein expression: −/+, partial loss; −, diffuse loss.

wt, wild type; Mut, mutation.

§met +, existence of CpG methylation; ND, not done.