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beta-glucan A polysaccharide isolated from the cell walls of bacteria, plants, and fungi with immunostimulant and antineoplastic activities. In a solubilized form, beta-glucan binds to a lectin site within complement receptor 3 (CR3) on leukocytes, priming the receptor to trigger cytotoxic degranulation of leukocytes when leukocyte CR3 binds to complement 3 (iC3b)-coated tumors. Thus, the attachment of beta-glucan to CR3 of circulating leukocytes simulates leukocytes to kill iC3b-coated tumor cells in the same way as they kill iC3b-coated yeast. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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US brand name: | ![](https://webarchive.library.unt.edu/eot2008/20090509164406im_/http://www.cancer.gov/images/spacer.gif) | Immucell WGP | | ![](https://webarchive.library.unt.edu/eot2008/20090509164406im_/http://www.cancer.gov/images/spacer.gif) | Abbreviation: | ![](https://webarchive.library.unt.edu/eot2008/20090509164406im_/http://www.cancer.gov/images/spacer.gif) | b-GLUC | | ![](https://webarchive.library.unt.edu/eot2008/20090509164406im_/http://www.cancer.gov/images/spacer.gif) |
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