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Background  We established a glioma biobank at Beijing Tiantan Hospital in November, 2010. Specialized residents have been trained to collect, store and manage the biobank in accordance with standard operating procedures.    Methods  One hundred samples were selected to evaluate the quality of glioma samples stored in the liquid nitrogen tank during different periods (from 2011 to 2015) by morphological examination, RNA integrity determination, DNA integrity determination and housekeeping gene expression determination.    Results  The majority of samples (95%) had high RNA quality for further analysis with RIN ≥6. Quality of DNA of all samples were stable without significant degradation.    Conclusion  Storage conditions of our biobank are suitable for long-term (at least five years) sample preservation with high molecular quality.

Establishment and quality evaluation of a glioma biobank in Beijing Tiantan Hospital