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논문 기본 정보

자료유형
학술저널
저자정보
Sungjun Kim (Department of Chemical & Biochemical Engineering Dongguk University) Yunyoung Choi (Department of Chemical & Biochemical Engineering Dongguk University) 김교범 (동국대학교)
저널정보
한국생체재료학회 생체재료학회지 생체재료학회지 제26권 제3호
발행연도
2022.9
수록면
594 - 605 (12page)
DOI
https://doi.org/10.1186/s40824-022-00282-6

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Background: Pancreatic cancer, one of the cancers with the highest mortality rate, has very limited clinical treatment. Cancer cells express abnormal glycans on the surface, and some lectins with a high affinity for the glycans induce apoptosis in cancer. In this study, the efficacy of Aleuria Aurantia lectin (AAL) for the treatment of pancreatic cancer was evaluated and the efficacy improvement through AAL delivery with mPEGylated coacervate (mPEG-Coa) was investigated. Methods: AAL was treated with pancreatic cancer cells, PANC-1, and the expression level of caspase-3 and subsequent apoptosis was analyzed. In particular, the anticancer efficacy of AAL was compared with that of concanavalin A, one of the representative anticancer lectins. Then, methoxypolyethylene glycol-poly(ethylene arginylaspartate diglyceride), a polycation, was synthesized, and an mPEG-Coa complex was prepared with polyanion heparin. The AAL was incorporated into the mPEG-Coa and the release kinetics of the AAL from the mPEG-Coa and the cargo protection capacity of the mPEG-Coa were evaluated. Finally, improved anticancer ability through Coa mediated AAL delivery was assessed. Results: These results indicated that AAL is a potential effective pancreatic cancer treatment. Moreover, mPEG Coa rapidly released AAL at pH 6.5, an acidic condition in the cancer microenvironment. The initial rapid release of AAL effectively suppressed pancreatic cancer cells, and the continuous supply of AAL through the Coa transporter effectively inhibited proliferation recurrence of cancer cells. Conclusion: AAL is a potential novel drug for the treatment of pancreatic cancer therapeutic agent. In addition, a continuous supply of drugs above the therapeutic threshold using mPEG-Coa could improve therapeutic efficacy.

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