The purpose of the study is to investigate protein and gene expression among damaged knee tissues. We will perform MRI's on subjects prior to total knee replacement to identify the location of bone marrow lesions. Connective tissues including tendon, ligament, and meniscus specimens normally discarded from total joint replacements will be used for live cell harvest, and protein and gene expression analyses of tissue or cultured cells.
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Number of Participants With Viable Specimens for Genetic Analysis
Timeframe: Tissue samples collected at time of surgery