PMID- 25383184 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20141112 LR - 20181113 IS - 2046-1402 (Print) IS - 2046-1402 (Electronic) IS - 2046-1402 (Linking) VI - 3 DP - 2014 TI - Secretomes of apoptotic mononuclear cells ameliorate neurological damage in rats with focal ischemia. PG - 131 LID - 10.12688/f1000research.4219.2 [doi] LID - 131 AB - The pursuit of targeting multiple pathways in the ischemic cascade of cerebral stroke is a promising treatment option. We examined the regenerative potential of conditioned medium derived from rat and human apoptotic mononuclear cells (MNC), rMNC (apo sec) and hMNC (apo sec), in experimental stroke. We performed middle cerebral artery occlusion on Wistar rats and administered apoptotic MNC-secretomes intraperitoneally in two experimental settings. Ischemic lesion volumes were determined 48 hours after cerebral ischemia. Neurological evaluations were performed after 6, 24 and 48 hours. Immunoblots were conducted to analyze neuroprotective signal-transduction in human primary glia cells and neurons. Neuronal sprouting assays were performed and neurotrophic factors in both hMNC (apo sec) and rat plasma were quantified using ELISA. Administration of rat as well as human apoptotic MNC-secretomes significantly reduced ischemic lesion volumes by 36% and 37%, respectively. Neurological examinations revealed improvement after stroke in both treatment groups. Co-incubation of human astrocytes, Schwann cells and neurons with hMNC (apo sec) resulted in activation of several signaling cascades associated with the regulation of cytoprotective gene products and enhanced neuronal sprouting in vitro. Analysis of neurotrophic factors in hMNC (apo sec) and rat plasma revealed high levels of brain derived neurotrophic factor (BDNF). Our data indicate that apoptotic MNC-secretomes elicit neuroprotective effects on rats that have undergone ischemic stroke. FAU - Altmann, Patrick AU - Altmann P AD - Department of Thoracic Surgery, Medical University of Vienna, Vienna, 1090, Austria ; Christian Doppler Laboratory for Cardiac and Thoracic Diagnosis and Regeneration, Vienna, 1090, Austria. FAU - Mildner, Michael AU - Mildner M AD - Department of Dermatology, Medical University of Vienna, Vienna, 1090, Austria. FAU - Haider, Thomas AU - Haider T AD - Department of Thoracic Surgery, Medical University of Vienna, Vienna, 1090, Austria ; Christian Doppler Laboratory for Cardiac and Thoracic Diagnosis and Regeneration, Vienna, 1090, Austria. FAU - Traxler, Denise AU - Traxler D AD - Department of Thoracic Surgery, Medical University of Vienna, Vienna, 1090, Austria ; Christian Doppler Laboratory for Cardiac and Thoracic Diagnosis and Regeneration, Vienna, 1090, Austria. FAU - Beer, Lucian AU - Beer L AD - Department of Thoracic Surgery, Medical University of Vienna, Vienna, 1090, Austria. FAU - Ristl, Robin AU - Ristl R AD - Section for Medical Statistics, Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, 1090, Austria. FAU - Golabi, Bahar AU - Golabi B AD - Department of Dermatology, Medical University of Vienna, Vienna, 1090, Austria. FAU - Gabriel, Christian AU - Gabriel C AD - Red Cross Transfusion Service for Upper Austria, Linz, 4017, Austria. FAU - Leutmezer, Fritz AU - Leutmezer F AD - Department of Neurology, Medical University of Vienna, Vienna, 1090, Austria. FAU - Ankersmit, Hendrik Jan AU - Ankersmit HJ AD - Department of Thoracic Surgery, Medical University of Vienna, Vienna, 1090, Austria ; Christian Doppler Laboratory for Cardiac and Thoracic Diagnosis and Regeneration, Vienna, 1090, Austria. LA - eng PT - Journal Article DEP - 20140619 PL - England TA - F1000Res JT - F1000Research JID - 101594320 PMC - PMC4215751 COIS- Competing interests: The Medical University of Vienna has claimed financial interest (Patent number: PCT/EP09/67534, filed 18 Dec 2008; Patent name: Pharmaceutical preparation comprising supernatant of blood mononuclear cell). Hendrik Jan Ankersmit is a shareholder of APOSCIENCE AG, which owns the rights to commercialize apoptotic MNC-secretomes for therapeutic use. All other authors declare that they have no competing interests. APOSCIENCE AG is a funder of his study. EDAT- 2014/11/11 06:00 MHDA- 2014/11/11 06:01 PMCR- 2014/10/28 CRDT- 2014/11/13 06:00 PHST- 2014/10/20 00:00 [accepted] PHST- 2014/11/13 06:00 [entrez] PHST- 2014/11/11 06:00 [pubmed] PHST- 2014/11/11 06:01 [medline] PHST- 2014/10/28 00:00 [pmc-release] AID - 10.12688/f1000research.4219.2 [doi] PST - epublish SO - F1000Res. 2014 Jun 19;3:131. doi: 10.12688/f1000research.4219.2. eCollection 2014.