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Validation of absolutely quantitated Ki67 and cyclinD1 protein levels for prognosis of Luminal‐like breast cancer patients

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To translate a clinical research finding into daily clinical practice requires well‐controlled clinical trials. We have demonstrated the usage of absolute quantitation of Ki67 and cyclinD1 protein levels to improve… Click to show full abstract

To translate a clinical research finding into daily clinical practice requires well‐controlled clinical trials. We have demonstrated the usage of absolute quantitation of Ki67 and cyclinD1 protein levels to improve prognosis of Luminal‐like patients based on overall survival (OS) analysis of a cohort of 155 breast cancer specimens (cohort 1). However, this finding is considered the D level of evidence (LOE) to require subsequent validation before it may be used in daily clinical practice. To set the stage for future clinical trials, our findings were validated through OS analysis of an independent cohort (cohort 2) of 173 Luminal‐like patients.

Keywords: luminal like; breast cancer; prognosis luminal; protein levels; ki67 cyclind1; cyclind1 protein

Journal Title: Journal of Clinical Laboratory Analysis
Year Published: 2022

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