Bock et al. [17] probed into the crucial roles of caspase-3 and caspase-9 in the cell apoptosis process when expounding on the role mechanism of mitochondria as multifaceted regulators of cell death; Nössing [18] furnished an essential background knowledge framework for understanding its role in endometriosis through the retrospective study on the extensive impact of cell apoptosis in tissue kinetics. Here, CASP9 is linked to endometriosis.