Apr. 3, 2010 In addition to our network of blood vessels, humans have a network of vessels known as lymphatic vessels. These vessels have a role in many processes in the body, including regulating fluid levels in tissues and immune surveillance.
Although dysfunction in the lymphatic system contributes to human diseases such as the spread of cancer to other sites and lymphademas (localized fluid retention and tissue swelling), little is known about the molecules that regulate the formation of new lymphatic vessels, a process known as lymphangiogenesis.
However, a team of researchers, led by Sophia Tsai and Ming-Jer Tsai, at Baylor College of Medicine, Houston, has now identified a role for the gene regulatory protein COUP-TFII in lymphangiogenesis in mouse embryonic development and tumor lymphangiogenesis in adult mice.
The authors therefore suggest that COUP-TFII might be an effective molecular target in pro-lymphangiogenic treatment of lymphedemas or in antilymphangiogenic therapy targeting tumor spreading via the lymphatic vessels.
The research appears in the Journal of Clinical Investigation.
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- Fu-Jung Lin, Xinpu Chen, Jun Qin, Young-Kwon Hong, Ming-Jer Tsai, and Sophia Y. Tsai. Direct transcriptional regulation of neuropilin-2 by COUP-TFII modulates multiple steps in murine lymphatic vessel development. Journal of Clinical Investigation, 2010; DOI: 10.1172/JCI40101
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