TIMP1 and ovarian cancer: In addition, some cytokines and chemokines secreted from omental adipocytes 12, such as interleukin (IL)-6 13, IL-8 14, 15, TIMP metallopeptidase inhibitor 1 (TIMP1) 16, 17, are reported to involve in lymphocyte infiltration in ovarian cancer metastasis 18, 19.