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find Keyword "rPhotosensitizer" 1 results
  • Experimental Study of the Therapeutic Effect and Mechanism of Photodynamic therapy to Pancreatic Cancer by Intratumoral Injecting Photosensitizer

    bjectiveTo study the therapeutic effect and mechanism of photodynamic therapy (PDT) to the nude mice model of pancreatic cancer by intratumoral injecting photosensitizers hematoporphyrin derivatives (HpD), hypocrellin A (HA) and 2butylamino2demethoxyhypocrellin A (2BA2DMHA).MethodsThe animal model of human pancreatic cancer was developed by injecting human pancreatic cancer cells SW1990 into the back of the nude mice. After photosensitizers HpD, HA and 2BA2DMHA was given by the intratumoral injection, the 632.8 nm HeNe laser was used to irradiate the tumor. The curative effect was recorded and factorⅧ was used in the immunohistochemical staining to study the vessel change. ResultsPDT can destroy the pancreatic neoplasm, the tumor growth rate was significantly reduced after PDT. The immunohistochemical staining showed PDT could make injury to vessel endothelial cell.ConclusionPDT can induce injuries of pancreatic cancer; vascular injury is an important way to exert function.

    Release date:2016-08-28 04:47 Export PDF Favorites Scan
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