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Journal of hepatology : the journal of the European Association for the Study of the Liver v.67 no.6, 2017년, pp.1243 - 1252   SCI SCIE
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Bivalent role of intra-platelet serotonin in liver regeneration and tumor recurrence in humans

Padickakudy, Robin (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Pereyra, David (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Offensperger, Florian (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Jonas, Philipp (Department of Surgery I, Rudolfstiftung Hospital, Vienna, Austria ) ; Oehlberger, Lukas (Department of Surgery I, Rudolfstiftung Hospital, Vienna, Austria ) ; Schwarz, Christian (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Haegele, Stefanie (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Assinger, Alice (Department of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria ) ; Brostjan, Christine (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ; Gruenberger, Thomas (Department of Surgery I, Rudolfstiftung Hospital, Vienna, Austria ) ; Starlinger, Patrick (Department of Surgery, Medical University of Vienna, General Hospital, Vienna, Austria ) ;
  • 초록  

    Background & Aims Besides its critical role during liver regeneration, serotonin (5-HT) has been found to act as a mitogenic factor in several neoplastic entities. Accordingly, we aimed to evaluate whether intra-platelet 5-HT (IP5-HT) was associated with oncological outcome after liver resection and concomitantly evaluate its ability to serve as a therapeutic target to promote liver regeneration. Methods A total of 96 patients undergoing liver resection for malignant liver tumors were prospectively included. Optimized plasma and serum preparation were performed and IP5-HT levels were determined. Patients were followed up for postoperative liver dysfunction (LD), morbidity, disease free and overall survival (OS). Results We found increased preoperative IP5-HT levels in patients with disease recurrence at 6 and 12months ( p = 0.046, p = 0.020, respectively). In clear contrast, patients suffering from postoperative morbidity, severe morbidity or LD had significantly reduced IP5-HT levels ( p = 0.011, p = 0.035, p = 0.003, respectively). Patients with high IP5-HT levels (>134ng/ml) suffered from an increased incidence of postoperative disease recurrence at 6 and 12months ( p = 0.045, p = 0.006, respectively) but exhibited a reduction in morbidity, severe morbidity, and LD ( p = 0.006, p = 0.008, p = 0.005, respectively). We confirmed these results in our two largest subgroups, demonstrating that they were independent of tumor type. This bivalent effect of IP5-HT was also reflected in patients receiving selective serotonin reuptake inhibitor treatment, who displayed a reduction in disease recurrence accompanied by an increase in postoperative morbidity. Yet, both early disease recurrence and morbidity worsened OS. Conclusion Herein, we present first clinical evidence for IP5-HT being associated with early disease recurrence after liver resection in humans. Thus, pharmacological intervention at the level of platelets and platelet-derived 5-HT to promote liver regeneration should be considered with caution. A careful definition of indications and timing is needed to promote liver regeneration without inducing deleterious effects. Lay summary Preoperative intra-platelet serotonin (IP5-HT) levels seem to substantially affect patient outcomes after liver resection for liver tumors. While there is a narrow window of IP5-HT levels where liver regeneration and tumor progression is balanced, excessively high IP5-HT levels (>134ng/ml IP5-HT) lead to an increased incidence of early tumor recurrence and excessively low IP5-HT levels ( ClinicalTrials.gov-Identifier: NCT01700231. Highlights Preoperative IP5-HT levels affect patient outcomes after liver resection for liver tumors. There is a narrow window of IP5-HT levels where liver regeneration and tumor progression is balanced. High IP5-HT levels (>134ng/ml IP5-HT) lead to an increased incidence of early tumor recurrence. Low IP5-HT levels ( Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Platelets .   Serotonin .   Liver cancer .   Liver regeneration .   Tumor recurrence.  

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