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Use of a hemoglobin oxygen carrier for the treatment of cancerous tissue and the preparation of a pharmaceutical composition for preventing recurrence and metastasis of cancerous tumors
Use of a hemoglobin oxygen carrier for the treatment of cancerous tissue and the preparation of a pharmaceutical composition for preventing recurrence and metastasis of cancerous tumors
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机译:血红蛋白氧载体在治疗癌性组织中的用途以及制备用于预防癌性肿瘤复发和转移的药物组合物的用途
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摘要
The present invention provides a pharmaceutical composition containing a hemoglobin-based oxygen carrier for treating cancer, preventing recurrence and metastasis of cancerous tumor. The composition can be used alone or in combination with at least one chemotherapeutic agent such as 5FU, Bortezomib, doxorubicin, cisplatin, or any combination thereof. The hemoglobin-based oxygen carrier in the composition is capable of targeting a surface receptor expressed on cancerous cells and facilitating the uptake of both hemoglobin-based oxygen carrier and the chemotherapeutic agent by the cancerous cells via a receptor-mediated mechanism. The hemoglobin-based oxygen carrier inhibits the expression of hypoxic response elements such as HIF1, VEGF, ET1, VHL, etc. The pharmaceutical composition of the present invention is also useful for inducing the apoptosis or cell death of a type of self-renewing and tumor-initiating cells called cancer stem cells which are located in the hypoxic niche of a cancerous tumor.
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