3-o-sulfo-galactosylceramide Analogs as Activators of Type II Natural Killer T (NKT) Cells to Reduce Cancer Metastasis to the Lung The National Cancer Institute (NCI) seeks research co-development partners and/or licensees for the sulfatide analog, C24:2, that is capable of activating tumor killing type II NKT cells and reducing cancer metastasis to the lung.Therapeutics