2019
DOI: 10.1007/s40820-019-0292-y
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Manganese-Zeolitic Imidazolate Frameworks-90 with High Blood Circulation Stability for MRI-Guided Tumor Therapy

Abstract: HIGHLIGHTS • Manganese-zeolitic imidazolate frameworks (Mn-ZIF-90) with both high drug loading and magnetic resonance imaging (MRI) in vitro and in vivo were prepared. • The modification of a newly designed pH-protective and active-targeting Y 1 receptor ligand reduces the drug release during blood circulation and specifically targets the tumor sites, improving therapeutic efficacy in vivo. • The combination of nano-size Mn-ZIF-90 and the highly specific Y 1 receptor ligand promotes the specific drug accumulat… Show more

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Cited by 47 publications
(30 citation statements)
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References 52 publications
(89 reference statements)
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“…As a famous porous material, zeolitic imidazole frameworks (ZIFs) have shown great potential in gas separation [ 1 , 2 ], catalysis [ 3 ], sensors [ 4 , 5 ], and drug delivery [ 6 , 7 ], for their tunable pore sizes, high surface areas, and structural diversity [ 8 , 9 ]. The high drug loading, stability during blood circulation, and pH-responsive drug release in tumor expand their application in cancer therapy [ 10 ].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…As a famous porous material, zeolitic imidazole frameworks (ZIFs) have shown great potential in gas separation [ 1 , 2 ], catalysis [ 3 ], sensors [ 4 , 5 ], and drug delivery [ 6 , 7 ], for their tunable pore sizes, high surface areas, and structural diversity [ 8 , 9 ]. The high drug loading, stability during blood circulation, and pH-responsive drug release in tumor expand their application in cancer therapy [ 10 ].…”
Section: Introductionmentioning
confidence: 99%
“…ZIF-8 has also been widely used in tumor imaging and therapy [ 15 ] as an ideal vehicle. However, many undesirable outcomes still hamper the in vivo application of ZIFs in biomedicine, such as fast drug release during circulation [ 7 , 10 ], unexpected toxicity to mice major organs [ 16 ], undesirable long-term accumulation in the lung [ 10 ], and even death. Some researchers have explored surface modification [ 16 ], metal-oxide coating [ 17 ], etc., as strategies to ameliorate these side effects.…”
Section: Introductionmentioning
confidence: 99%
“…[33] Jiang et al synthesized manganese-ZIF-90 for MRI-guided tumor therapy. [42] Xing et al encapsulated cisplatin in ZIF-90 for platinum-resistant ovarian cancer therapy. [43] Moreover, it is also widely studied in the field of imaging, Zou et al loaded with an enzyme-responsive organic probe in ZIF-90 Figure 1.…”
Section: Atp Responsive Drug Release Behavior In Vitromentioning
confidence: 99%
“…Whereas the former shorten the longitudinal relaxation times ( T 1 ) to produce bright signals,11,12 the latter generate dark signals by shortening transversal relaxation times ( T 2 ) 13,14. Among them, the paramagnetic metal ions of Gd (III) and manganese (II) are commonly used to form T 1 contrast agents,15 and the most widely used one is the organometallic complex of Gd, such as Gd‐DTPA (diethylene triamine pentacetate acid, DTPA) 16,17. However, the U.S. Food and Drug Administration has issued a public health warning about Gd chelates, which are associated with the popular nephrogenic systemic fibrosis 18.…”
Section: Introductionmentioning
confidence: 99%