Lung metastasis model using mice (n = 9) treated w 8 mg/kg HS i.v. (or mammalian heparin or chondroitin controls) 10 min before challenge w i.v. Lewis lung carcinoma cells; separate model of P-selectin-mediated tumor cell-platelet association using labelled LLC cells w or w/out pre-treatment w 200 μg HS †. The gene discussed is SELP; the disease is neoplasm.