Table II.
Associations of the expression of SSTRs with the expression of hormone receptors.
| Hormone receptor expression | No. of cases | SSTR1+ (%) | SSTR2+ (%) | SSTR3+ (%) | SSTR4+ (%) | SSTR5+ (%) |
|---|---|---|---|---|---|---|
| ER | ||||||
| Positive | 31 | 27 (87.1) | 7 (22.6) | 4 (12.9) | 16 (51.6) | 7 (22.6) |
| Negative | 15 | 11 (73.3) | 4 (26.7) | 3 (20.0) | 8 (53.3) | 4 (26.7) |
| PR | ||||||
| Positive | 28 | 24 (85.7) | 5 (17.9) | 4 (12.9) | 14 (45.2) | 6 (19.4) |
| Negative | 18 | 14 (77.8) | 6 (40.0) | 3 (20.0) | 10 (66.7) | 4 (26.7) |
| Her-2 | ||||||
| Positive | 34 | 28 (82.4) | 8 (23.5) | 4 (11.8) | 17 (50.0) | 7 (20.6) |
| Negative | 12 | 10 (83.3) | 3 (20.0) | 3 (20.0) | 7 (58.3) | 3 (20.0) |
The associations of the expression of SSTR1-5 with the expression of hormone receptors were analyzed in 46 breast tumor tissues. Except SSTR1, the probabilities of expression of SSTR2-4 decreased in ER- or PR-positive tumor tissues, although no statistical significance was revealed. ER, estrogen receptor; PR, progesterone receptor; Her-2, human epidermal growth factor receptor-2; SSTR, somatostatin receptor.