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Palmitate-Induced Suppression of IGF binding protein-3 Leads to Liver Inflammation

Feb 6, 2017 8:16:08 AM / by Stacy Matthews Branch, DVM, PhD posted in Inflammation, Macrophages, Monocytes, stem cell research, Basic Research

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Insulin-like growth factors (IGFs) are hormones resembling insulin and are important for normal cell growth and division. IGF-binding proteins (IGFBPs) regulate IGF action leading to changes in their effects in the body. IGF-binding protein-3 (IGFBP-3) is the most abundant of the IGFBPs and is made primarily in kupffer cells (specialized liver macrophages).

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Experimental Pancreatic Cancer Treatment Redirects Macrophages

May 9, 2016 1:00:20 PM / by Karina Palomares posted in Cancer, Monocytes, PDAC, Basic Research

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New research shows that inflammatory macrophages can be redirected and induced to deplete fibrosis characteristic of pancreatic ductal adenocarcinoma tumors.

Pancreatic ductal adenocarcinoma (PDAC) is the fourth most common cause of cancer death, because of its tendency to cause symptoms only at a late and advanced stage. Despite our advancing knowledge of PDAC, the prognosis remains strikingly poor owing to resistance to standard therapies. The tumor stroma comprises abundant extracellular matrix (ECM) and extensive collagen, which often contribute to formation of a dense fibrosis. In addition, the tumor microenvironment is typically marked by a robust infiltrate of immunosuppressive macrophages. Together, these hallmark characteristics form a major barrier to drug delivery. Thus, strategies targeting this tumor microenvironment are necessary to improve the prognosis of PDAC patients.

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