p21Waf1 and p16INK4a Gene Alterations and Expression in Aggressive MCLs
Case . | Histology . | p53 . | p21Waf1 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
. | . | . | Gene . | Expresssion . | p16INK4a . | . | |||||||
. | . | . | SB . | SSCP/Sequence . | mRNA . | Protein (WB and IHQ) . | Gene . | Expression . | . | . | . | ||
. | . | . | . | . | . | . | SB . | SSCP/Sequence . | mRNA . | Protein . | . | . | . |
3858 | Blastic | WT | +/+ | WT | + | + | −/− | NA | − | − | |||
15566 | Blastic | WT | +/+ | WT | ND | + | −/− | NA | ND | − | |||
3747 | Large cell | WT | ND | ND | + | +* | +/−† | ND | ND | ND | |||
441 | Blastic | WT | +/+ | WT | − | − | +/+ | WT | + | ++ | |||
1104 | Large cell | M Codon 273 | +/+ | WT | + | + | +/+ | WT | ++ | ++ | |||
4958 | Blastic | M Codon 278 | +/+ | WT | + | + | +/+ | WT | + | ND |
Case . | Histology . | p53 . | p21Waf1 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
. | . | . | Gene . | Expresssion . | p16INK4a . | . | |||||||
. | . | . | SB . | SSCP/Sequence . | mRNA . | Protein (WB and IHQ) . | Gene . | Expression . | . | . | . | ||
. | . | . | . | . | . | . | SB . | SSCP/Sequence . | mRNA . | Protein . | . | . | . |
3858 | Blastic | WT | +/+ | WT | + | + | −/− | NA | − | − | |||
15566 | Blastic | WT | +/+ | WT | ND | + | −/− | NA | ND | − | |||
3747 | Large cell | WT | ND | ND | + | +* | +/−† | ND | ND | ND | |||
441 | Blastic | WT | +/+ | WT | − | − | +/+ | WT | + | ++ | |||
1104 | Large cell | M Codon 273 | +/+ | WT | + | + | +/+ | WT | ++ | ++ | |||
4958 | Blastic | M Codon 278 | +/+ | WT | + | + | +/+ | WT | + | ND |
Abbreviations: SB, Southern blotting; WB, Western blot; IHQ, immunohistochemistry; SB: +/+ no deletion; +/− hemizygous deletion; −/− homozygous deletion; M, mutated; WT, wild-type; ND, not done; NA, not applicable.
In this case protein p21Waf1 protein expression was only detected by immunohistochemistry.
In this case a hemizygous deletion of 9p arm −del (9) (p12)− was detected by cytogenetic analysis. No DNA was available for Southern blotting.