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An indolizidine alkaloid from the plant Swainsona canescens that is a potent alpha-mannosidase inhibitor. Swainsonine also exhibits antimetastatic, antiproliferative, and immunomodulatory activity.
An indolizidine alkaloid from the plant Swainsona canescens that is a potent alpha-mannosidase inhibitor. Swainsonine also exhibits antimetastatic, antiproliferative, and immunomodulatory activity.
Tridolgosir competitively inhibits the alpha manosidase II (alphaMII), which processes N linked carbohydrates of newly synthesized glycoproteins passing through the Golgi apparatus to the cell surface. Highly branched carbohydrate structures are created which bind to Lectin-phytohemagglutinin (L-PHA) and are subsequently expressed in different tumor types which results in metastatic phenotype, which is correlated with an increased aggressiveness in animals and causes other human malignancies. Inhibition of alphaMII reduces carbohydrates that bind to L-PHA, reducing aggressiveness, metastatic phenotype cells, slows tumor growth, and increases“hybrid type” carbohydrates on the cell surface. Hybrid type carbohydrates may increase cytokine activation of lymphocytes, increasing tumor susceptibility to lymphokine activated and natural killer cells.
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专利文献通常使用化学名或研发代号指代药物，而非通用名；且专利申请在提交约 18 个月后才公开，较新的药物可能尚未出现在这里。
