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With an ever-increasing workload, Germany’s Munich Leukemia Laboratory has automated its cytogenetics protocols on five Freedom EVO® workstations, enabling leaner, standardized, more efficient processing and minimizing the potential for human errors.
The Munich Leukemia Laboratory (MLL) provides a comprehensive range of diagnostic tests to hospitals and doctors across the country, offering cytogenetics and fluorescence in situ hybridization (FISH), molecular genetics, cytomorphology and immunophenotyping services. The laboratory continually refines and streamlines its procedures to cope with growing sample numbers, and automation plays a key role in this, creating standardized, efficient procedures and minimizing the potential for human errors.
MLL uses its Freedom EVO platforms to improve efficiency and save time compared to manual processes.
Head of cytogenetics and fluorescence in situ hybridization Prof Dr med Claudia Haferlach explained: “Historically, extensive diagnostic testing was not necessarily performed, simply because there were no available treatment options. However, medical knowledge has advanced and treatments have improved, and now increased testing makes perfect sense. Usually, different diagnostic tests are performed at separate laboratories, and the results are collated and interpreted by a patient’s doctor. However, in contrast, each of MLL’s four co-founders has a different background and specialty, and so we have developed a complete diagnostic and monitoring service offering a wide range of tests under one roof. Currently, we handle more than 60,000 samples a year but, with the number of test requests continually increasing, we have turned to automation to streamline our workflows.”
MLL has established automated Sanger and next generation sequencing protocols for molecular analysis, performing semi-automated isolation of mononuclear cells by Ficoll separation on Freedom EVO workstations, followed by RNA and DNA preparation on a Roche MagNA Pure™ 96 System and PCR set-up on additional Freedom EVOs. In addition, automation of the key stages of the laboratory’s tumor-based cytogenetics and FISH workflows has been implemented on its Freedom EVO workstations, tailoring each individual system to a specific stage of the process, such as hypotonic and fixation treatment of cell cultures for chromosome banding analysis or the pipetting of fixed cell suspension drops or various FISH probes onto slides.
Each platform is equipped with a Liquid Handling Arm and/or a Robotic Manipulator Arm, as well as any additional integrated modules required for its particular step of the workflow. After slide generation on the Freedom EVO systems and hybridization, FISH analysis is carried out using fully automated MetaCyte (MetaSystems) microscopy systems, with electronic sample tracking via barcodes.