Complex sentence: Some experiments suggest that collagen XXIII influences cellular adhesion and stimulates metastasis development by facilitating cancer cell growth and survival when they are rounded and not able to spread.
Split into simpler sentences: Some experiments suggest that collagen XXIII stimulates metastasis development through its role in cellular adhesion. In light of these results, high levels of collagen XXIII may facilitate cancer cell growth and survival when they are rounded and not able to spread.