MMP9 and neoplasm: Which includes cell cycle control, regeneration of tumor stem cells, DNA damage after radiotherapy, chemotherapy, cellular immune reaction, cellular hypoxia response, miRNA/lncRNA–based aspects, IL-7, STAT5, SOCS pathway, Ca2 + -mediated p-ERK12, angiogenesis, enhancer-binding protein alpha signaling pathway, and MMP9, to name a few [36, 37].