Table I.
Differential expression of PTPRZ1 and PTN in the RTNBC, TNBC, BC, LN and control groups.
| PTN | PTPRZ1 | ||||
|---|---|---|---|---|---|
| Group | No. | Mean ± SD | P-value | Mean ± SD | P-value |
| RTNBC | 36 | 277.32±191.75 | 0.050 | 760.21±494.87 | 0.129 |
| TNBC | 78 | 247.76±232.45 | 345.10±240.83b | ||
| BC | 211 | 140.01±84.14a | 395.20±370.58c | ||
| LN | 30 | 122.03±45.75 | 353.77±89.69 | ||
| Control | 30 | 135.79±121.44 | 336.62±89.39d | ||
Compared with the RTNBC group,
a
P=0.029; compared with the RTNBC group,
b
P=0.015,
c
P=0.017,
d
P=0.042. BC group: luminal A, luminal B and Her-2 enriched group. PTPRZ1, protein tyrosine phosphatase ζ; PTN, pleiotrophin; TNBC, triple negative breast cancer; RTNBC, relapsed TNBC; LN, lymph node; CON, control group; SD, standard deviation.