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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.