Development and application of a near-infrared fluorescence probe for oxidative stress based on differential reactivity of linked cyanine dyes

Daihi Oushiki, Hirotatsu Kojima, Takuya Terai, Makoto Arita, Kenjiro Hanaoka, Yasuteru Urano, Tetsuo Nagano

Research output: Contribution to journalArticle

216 Citations (Scopus)

Abstract

Reactive oxygen species (ROS) operate as signaling molecules under various physiological conditions, and overproduction of ROS is involved in the pathogenesis of many diseases. Therefore, fluorescent probes for visualizing ROS are promising tools with which to uncover the molecular mechanisms of physiological and pathological processes and might also be useful for diagnosis. Here we describe a novel fluorescence probe, FOSCY-1, operating in the physiologically favorable near-infrared region. The probe consists of two differentially ROS-reactive cyanine dyes connected by a linker; reaction of the more susceptible dye with ROS releases intramolecular fluorescence quenching of the less susceptible dye. We successfully applied this probe to detect ROS produced by HL60 cells and porcine neutrophils and for imaging oxidative stress in a mouse model of peritonitis.

Original languageEnglish
Pages (from-to)2795-2801
Number of pages7
JournalJournal of the American Chemical Society
Volume132
Issue number8
DOIs
Publication statusPublished - 2010 Feb 24
Externally publishedYes

Fingerprint

Oxidative stress
Reactive Oxygen Species
Oxidative Stress
Coloring Agents
Dyes
Fluorescence
Infrared radiation
Oxygen
Physiological Phenomena
HL-60 Cells
Pathologic Processes
Peritonitis
Fluorescent Dyes
Quenching
Neutrophils
Swine
Imaging techniques
Molecules

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Development and application of a near-infrared fluorescence probe for oxidative stress based on differential reactivity of linked cyanine dyes. / Oushiki, Daihi; Kojima, Hirotatsu; Terai, Takuya; Arita, Makoto; Hanaoka, Kenjiro; Urano, Yasuteru; Nagano, Tetsuo.

In: Journal of the American Chemical Society, Vol. 132, No. 8, 24.02.2010, p. 2795-2801.

Research output: Contribution to journalArticle

Oushiki, Daihi ; Kojima, Hirotatsu ; Terai, Takuya ; Arita, Makoto ; Hanaoka, Kenjiro ; Urano, Yasuteru ; Nagano, Tetsuo. / Development and application of a near-infrared fluorescence probe for oxidative stress based on differential reactivity of linked cyanine dyes. In: Journal of the American Chemical Society. 2010 ; Vol. 132, No. 8. pp. 2795-2801.
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