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Expression of opioid receptors in human immune cells
| Opioid receptor | Immune cell types with confirmed expression |
|---|---|
| MOR | Polymorphonuclear cells (PMNs), monocytes, macrophages, CD4⁺ T cells, peripheral blood lymphocytes (PBLs), peripheral blood mononuclear cells (PBMCs), T and B lymphocytes, natural killer (NK) cells |
| KOR | PBMCs, CD4⁺ T cells, PBLs, monocytes, macrophages, T and B lymphocytes, NK cells |
| DOR | PBLs, NK cells |
| NOP | PBLs, PBMCs, monocytes, PMNs, NK cells |
