Table 1.
Utility of trypsin and reduction method in formalin-fixed and paraffin-embedded tissues
| Sample | Years in storage | MT1e | MT1h | SOX4 |
|---|---|---|---|---|
| % correct | % correct | % correct | ||
| FFPE PC3* | 1 year | 99% (278/280) | 99% (348/350) | 100% (195/195) |
| #52 | 10 years | 100% (56/56) | 100% (70/70) | 97% (38/39) |
| #67 | 10 years | 96% (54/56) | 100% (70/70) | 100% (39/39) |
| #73 | 15 years | 100% (56/56) | 97% (68/70) | 100% (39/39) |
| #75 | 20 years | 100% (56/56) | 99% (69/70) | 100% (39/39) |
| #94 | 20 years | 100% (56/56) | 100% (70/70) | 100% (39/39) |
*
Results of five blocks.