Photoactivation of Anticancer Ru Complexes in Deep Tissue: How Deep Can We Go?

被引：63

作者：

Sun, Wen ^{[1
]}

Thiramanas, Raweewan ^{[1
]}

Slep, Leonardo D. ^{[3
,4
]}

Zeng, Xiaolong ^{[1
]}

Mailander, Volker ^{[1
,2
]}

Wu, Si ^{[1
]}

机构：

[1] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany

[2] Johannes Gutenberg Univ Mainz, Univ Med Ctr, Ctr Translat Nanomed, Dermatol Clin, Langenbeckstr 1, D-55131 Mainz, Germany

[3] Univ Buenos Aires, CONICET, Fac Ciencias Exactas & Nat, Dept Quim Inorgan Anal & Quim Fis, Pabellon 2,3er Piso,Ciudad Univ,C1428EHA, Buenos Aires, DF, Argentina

[4] Univ Buenos Aires, CONICET, INQUIMAE, Pabellon 2,3er Piso,Ciudad Univ,C1428EHA, Buenos Aires, DF, Argentina

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2017年 / 23卷 / 45期

关键词：

anticancer; metallodrug; photochemistry; phototherapy; ru complex; NEAR-INFRARED LIGHT; PHOTODYNAMIC THERAPY; PHOTOSUBSTITUTION REACTIONS; POLYPYRIDYL COMPLEX; LIGAND-EXCHANGE; CELL-DEATH; RUTHENIUM; DRUG; PHOTOSENSITIZERS; PHOTOCLEAVAGE;

D O I：

10.1002/chem.201701224

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Activation of anticancer therapeutics such as ruthenium (Ru) complexes is currently a topic of intense investigation. The success of phototherapy relies on photoactivation of therapeutics after the light passes through skin and tissue. In this paper, the photoactivation of anticancer Ru complexes with 671-nm red light through tissue of different thicknesses was studied. Four photoactivatable Ru complexes with different absorption wavelengths were synthe-sized. Two of them (Ru3 and Ru4) were responsive to wavelengths in the "therapeutic window" (650-900 nm) and could be activated using 671-nm red light after passing through tissue up to 16-mm-thick. The other two (Ru1 and Ru2) could not be activated using red light. Additionally, activated Ru4 caused inhibition of cancer cells. These results suggest that photoactivatable Ru complexes are promising for applications in deep-tissue phototherapy.

引用

页码：10832 / 10837

页数：6

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