Versican, decorin, and lumican were the main expressed proteoglycans in BPH as well, with a variation for the relative mRNA levels and ratio of those proteoglycan core proteins (versican/GAPDH ratio 1.11–3.93; decorin/GAPDH ratio 0.73–2.45; lumican/GAPDH ratio 0.80–1.13) similar to that of normal prostate tissue. This evidence concerns the gene GAPDH and benign prostatic hyperplasia.