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Fraser, Justin F; Collier, Lisa A; Gorman, Amy A; Martha, Sarah R; Salmeron, Kathleen E; Trout, Amanda L; Edwards, Danielle N; Davis, Stephanie M; Lukins, Douglas E; Alhajeri, Abdulnasser; Grupke, Stephen; Roberts, Jill M; Bix, Gregory J; Pennypacker, Keith R

The Blood And Clot Thrombectomy Registry And Collaboration (BACTRAC) protocol: novel method for evaluating human stroke

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  • Medientyp: E-Artikel
  • Titel: The Blood And Clot Thrombectomy Registry And Collaboration (BACTRAC) protocol: novel method for evaluating human stroke
  • Beteiligte: Fraser, Justin F; Collier, Lisa A; Gorman, Amy A; Martha, Sarah R; Salmeron, Kathleen E; Trout, Amanda L; Edwards, Danielle N; Davis, Stephanie M; Lukins, Douglas E; Alhajeri, Abdulnasser; Grupke, Stephen; Roberts, Jill M; Bix, Gregory J; Pennypacker, Keith R
  • Erschienen: BMJ, 2019
  • Erschienen in: Journal of NeuroInterventional Surgery, 11 (2019) 3, Seite 265-270
  • Sprache: Englisch
  • DOI: 10.1136/neurintsurg-2018-014118
  • ISSN: 1759-8478; 1759-8486
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: BackgroundIschemic stroke research faces difficulties in translating pathology between animal models and human patients to develop treatments. Mechanical thrombectomy, for the first time, offers a momentary window into the changes occurring in ischemia. We developed a tissue banking protocol to capture intracranial thrombi and the blood immediately proximal and distal to it.ObjectiveTo develop and share a reproducible protocol to bank these specimens for future analysis.MethodsWe established a protocol approved by the institutional review board for tissue processing during thrombectomy (www.clinicaltrials.govNCT03153683). The protocol was a joint clinical/basic science effort among multiple laboratories and the NeuroInterventional Radiology service line. We constructed a workspace in the angiography suite, and developed a step-by-step process for specimen retrieval and processing.ResultsOur protocol successfully yielded samples for analysis in all but one case. In our preliminary dataset, the process produced adequate amounts of tissue from distal blood, proximal blood, and thrombi for gene expression and proteomics analyses. We describe the tissue banking protocol, and highlight training protocols and mechanics of on-call research staffing. In addition, preliminary integrity analyses demonstrated high-quality yields for RNA and protein.ConclusionsWe have developed a novel tissue banking protocol using mechanical thrombectomy to capture thrombus along with arterial blood proximal and distal to it. The protocol provides high-quality specimens, facilitating analysis of the initial molecular response to ischemic stroke in the human condition for the first time. This approach will permit reverse translation to animal models for treatment development.