Anti-cancer role of SPARC, an inhibitor of adipogenesis.
SPARC (a secreted protein acidic and rich in cysteine) has a reputation for being potent anti-cancer and anti-obesity molecule. It is one of the first known matricellular protein that modulates interactions between cells and extracellular matrix (ECM) and is associated with the 'balance' of white adipose tissue (WAT) as well as lipogenesis and lipolysis during adipogenesis. Adipogenesis is an indication for the development of obesity and has been related to a wide variety of cancers including breast cancer, endometrial cancer, esophageal cancer, etc. Adipogenesis mainly involves ECM remodeling, changes in cell-ECM interactions, and cytoskeletal rearrangement. SPARC can also prevent hypertrophy of adipocytes and hyperplasia of adipocyte progenitors. In addition to SPARC's inhibitory role in adipogenesis, it has also been known to be involved in cell cycle, cell proliferation, cell invasion, adhesion, migration, angiogenesis and apoptosis. Molecular cancer biology and clinical biochemistry have significantly enhanced our understanding of the mechanisms that motivate the anti-cancer and anti-obesity action of SPARC. Recent studies elucidating the signaling pathways that are activated by SPARC can help develop the beneficial aspects of SPARC for cancer therapy and obesity prevention. This review focuses on the anti-cancer role of SPARC as it pertains to obesity.
Department of Hematology and Medical Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA.
Ganji Purna Chandra
GP
Nagaraju
Dipali
D
Sharma
D050156:Adipogenesis / Q000187:drug effects*; D000818:Animals; D019440:Anti-Obesity Agents / Q000627:therapeutic use*; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy*; D009765:Obesity / Q000188:drug therapy*; D015676:Osteonectin / Q000627:therapeutic use*
D019440:Anti-Obesity Agents; D000970:Antineoplastic Agents; D015676:Osteonectin
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