“P20 | RNASEQ AND HISTOCHEMICAL STAININGS ASSESS BIOCHEMICAL AND STRUCTURAL CHANGES IN THE MOUSE INTERVERTEBRAL DISC ACROSS THE LIFESPAN: A. Hallmark1, A. Ali2, C. Dahia3 | 1Hospital for Special Surgery, New York, USA; 2Department of Medicine, Columbia University, New York, USA; 3Hospital for Special Surgery, Weill Cornell Medicine” (2025) European Journal of Histochemistry, 69(s2). doi:10.4081/ejh.2025.4340.