PMID- 26700184 OWN - NLM STAT- MEDLINE DCOM- 20160817 LR - 20181113 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 10 IP - 12 DP - 2015 TI - Stress-Induced In Vivo Recruitment of Human Cytotoxic Natural Killer Cells Favors Subsets with Distinct Receptor Profiles and Associates with Increased Epinephrine Levels. PG - e0145635 LID - 10.1371/journal.pone.0145635 [doi] LID - e0145635 AB - BACKGROUND: Acute stress drives a 'high-alert' response in the immune system. Psychoactive drugs induce distinct stress hormone profiles, offering a sought-after opportunity to dissect the in vivo immunological effects of acute stress in humans. METHODS: 3,4-methylenedioxymethamphetamine (MDMA), methylphenidate (MPH), or both, were administered to healthy volunteers in a randomized, double-blind, placebo-controlled crossover-study. Lymphocyte subset frequencies, natural killer (NK) cell immune-phenotypes, and changes in effector function were assessed, and linked to stress hormone levels and expression of CD62L, CX3CR1, CD18, and stress hormone receptors on NK cells. RESULTS: MDMA/MPH > MDMA > MPH robustly induced an epinephrine-dominant stress response. Immunologically, rapid redistribution of peripheral blood lymphocyte-subsets towards phenotypically mature NK cells occurred. NK cytotoxicity was unaltered, but they expressed slightly reduced levels of the activating receptor NKG2D. Preferential circulation of mature NK cells was associated with high epinephrine receptor expression among this subset, as well as expression of integrin ligands previously linked to epinephrine-induced endothelial detachment. CONCLUSION: The acute epinephrine-induced stress response was characterized by rapid accumulation of mature and functional NK cells in the peripheral circulation. This is in line with studies using other acute stressors and supports the role of the acute stress response in rapidly mobilizing the innate immune system to counteract incoming threats. FAU - Bigler, Marc B AU - Bigler MB AD - Translational Immunology, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Egli, Simon B AU - Egli SB AD - Translational Immunology, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Hysek, Cedric M AU - Hysek CM AD - Clinical Pharmacology, Dep. of Internal Medicine, University Hospital Basel, Basel, Switzerland. FAU - Hoenger, Gideon AU - Hoenger G AD - Immunobiology Lab, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Schmied, Laurent AU - Schmied L AD - Immunotherapy Laboratory, Department of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Baldin, Fabian S AU - Baldin FS AD - Immunodeficiency Lab, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Marquardsen, Florian A AU - Marquardsen FA AD - Immunodeficiency Lab, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. FAU - Recher, Mike AU - Recher M AD - Immunodeficiency Lab, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. AD - Medical Outpatient Clinic, Dep. of Internal Medicine, University Hospital Basel, Basel, Switzerland. FAU - Liechti, Matthias E AU - Liechti ME AD - Clinical Pharmacology, Dep. of Internal Medicine, University Hospital Basel, Basel, Switzerland. FAU - Hess, Christoph AU - Hess C AD - Immunobiology Lab, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. AD - Medical Outpatient Clinic, Dep. of Internal Medicine, University Hospital Basel, Basel, Switzerland. FAU - Berger, Christoph T AU - Berger CT AD - Translational Immunology, Dep. of Biomedicine, University Hospital Basel, Basel, Switzerland. AD - Medical Outpatient Clinic, Dep. of Internal Medicine, University Hospital Basel, Basel, Switzerland. LA - eng PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't DEP - 20151223 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (ADRB2 protein, human) RN - 0 (RNA, Messenger) RN - 0 (Receptors, Adrenergic, beta-2) RN - 0 (Receptors, Glucocorticoid) RN - YKH834O4BH (Epinephrine) SB - IM MH - Cells, Cultured MH - Cross-Over Studies MH - Double-Blind Method MH - Epinephrine/*blood MH - Female MH - Flow Cytometry MH - Humans MH - Immunophenotyping MH - Killer Cells, Natural/*immunology/metabolism MH - Lymphocyte Subsets/*immunology/metabolism MH - Male MH - RNA, Messenger/genetics MH - Real-Time Polymerase Chain Reaction MH - Receptors, Adrenergic, beta-2/genetics/*metabolism MH - Receptors, Glucocorticoid/genetics/*metabolism MH - Reverse Transcriptase Polymerase Chain Reaction MH - Stress, Physiological/*immunology PMC - PMC4689586 COIS- Competing Interests: The authors have declared that no competing interests exist. EDAT- 2015/12/25 06:00 MHDA- 2016/08/18 06:00 PMCR- 2015/12/23 CRDT- 2015/12/25 06:00 PHST- 2015/08/21 00:00 [received] PHST- 2015/12/07 00:00 [accepted] PHST- 2015/12/25 06:00 [entrez] PHST- 2015/12/25 06:00 [pubmed] PHST- 2016/08/18 06:00 [medline] PHST- 2015/12/23 00:00 [pmc-release] AID - PONE-D-15-36848 [pii] AID - 10.1371/journal.pone.0145635 [doi] PST - epublish SO - PLoS One. 2015 Dec 23;10(12):e0145635. doi: 10.1371/journal.pone.0145635. eCollection 2015.