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Table 2 U266 cells express opioid and somatostatin binding sites.

From: Somatostatin and opioid receptors do not regulate proliferation or apoptosis of the human multiple myeloma U266 cells

[Diprenorphine] (nM)

CPM

[Somatostatin] (nM)

CPM

0,5

44 ± 32

0,025

139 ± 66

1

127 ± 84

0,05

506 ± 313

2,5

157 ± 90

0,076

628 ± 92

5

197 ± 78

0,1

677 ± 326

10

552 ± 276

0,25

987 ± 483

20

2746 ± 1382

0,5

2464 ± 869

  1. Crude membrane fraction was incubated with [125I-Tyr0] somatostatin or [3H]diprenorphine as described in materials and methods. Data represent mean ± S.E.M. (n = 3–4) of specific binding expressed in CPM.