Combination of Oridonin and Chlorin e6 with the metal–organic frameworks MIL‐101‐NH2‐AL for tumor chemo‐photodynamic therapy

Author:

Liao Shilang1ORCID,Cai Mengru1,Zhu Rongyue1,Fu Tingting1ORCID,Yin Dongge1,Du Yuji1ORCID,Zhang Yongqiang1,Kong Jiahui1,Ni Jian1,Yin Xingbin1

Affiliation:

1. Beijing University of Chinese Medicine Beijing 102488 China

Abstract

In this paper, a metal–organic skeleton material MIL‐101‐NH2‐AL was prepared for loading the chemotherapeutic drug Oridonin (Ori) and photosensitizer Chlorin e6 (Ce6). A drug delivery system for synergistic chemotherapy and photodynamic therapy was constructed. At the same time, we evaluated MIL‐101‐NH2‐AL as a drug therapy carrier, including drug loading, cytotoxicity, and safety, verified the photodynamic efficiency of MIL‐101‐NH2‐AL@Ori@Ce6 in vitro, and studied the ability of MIL‐101‐NH2‐AL@Ori@Ce6 cancer cells to produce reactive oxygen species, cell uptake, cytotoxicity, and so on. Experiments have confirmed that MIL‐101‐NH2‐AL, as a nano‐carrier, encapsulated Oridonin and Ce6, the combination of PDT and chemotherapy showed enhanced tumor inhibition and high biosafety. The killing effect on cells was caused by reactive oxygen species produced by photosensitizers and apoptosis of tumor cells induced by Oridonin. The drug delivery system demonstrates enormous potential for synergistic anti‐tumor effects of photodynamic and chemotherapy.

Publisher

Wiley

Subject

Inorganic Chemistry,General Chemistry

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