“…Clinical studies have shown that the recurrence rate using porcine SIS is 4.9%, 12 The incidence and degree of chronic pain after surgery were significantly lower than in those patients using synthetic permanent meshes. 13,17 However, because the product is derived from porcine small intestine, it requires the artificial separation of the mucous layer, muscular layer, and outer membrane, as well as decellularization by adopted physical methods (such as multiple freeze-thaws or application of supercritical fluid) or chemical methods (such as SDS or Triton-X-100 detergent, alkaline and acidic solutions, or enzyme applications), which is time consuming (several days to weeks) and labor intensive. 14,20 In addition, some heterogeneous cell debris may be left behind, including DNA and a1,3-galactose antigen debris, which increase the risk of immunoreactions.…”