[EN] BENZOCYCLOOCTYNE COMPOUNDS AND USES THEREOF<br/>[FR] COMPOSÉS BENZOCYCLO-OCTYNE ET LEURS UTILISATIONS
申请人:ACADEMIA SINICA
公开号:WO2014031762A1
公开(公告)日:2014-02-27
Provided are benzocyclooctyne compounds of formula (I). These compounds undergo strain-promoted azide-alkyne cyclo additions (SPAAC) without presence of toxic metal catalysts. The provided compounds are useful for diagnosis and imaging of azide-containing molecules. Methods for detection and imaging biomolecules using compounds of the present disclosure are disclosed.
Many inflammatory processes are associated with an increase in the production of reactive
oxygen species (ROS). Chemical probes that specifically detect ROS are potentially useful tools for
the early diagnosis of inflammatory diseases as well as cancer. Herein we have developed a library of
coumarin hybrids by condensation of various heterocyclic quaternary salts to a 7-hydroxycoumarin
scaffold. From our library we identified one benzothiazole-coumarin hybrid as a red-fluorescent
compound with emission maxima around 620 nm and a strong fluorogenic response. Furthermore, we
proved that this scaffold is suitable for the preparation of activatable probes, such as by modification with a boronate
group for selective sensing of hydrogen peroxide (H2O2). In vitro assays confirmed the reactivity and subsequent emission
of our probe upon incubation with H2O2 with good selectivity over different ROS and reactive nitrogen species (RNS) as
well as minimal toxicity in cells. Finally cell imaging experiments were performed in murine macrophages and validated
the utility of the activatable probe for the detection of H2O2 in living cells.
An Activatable Prodrug for the Treatment of Metastatic Tumors
作者:Eun-Joong Kim、Sankarprasad Bhuniya、Hyunseung Lee、Hyun Min Kim、Chaejoon Cheong、Sukhendu Maiti、Kwan Soo Hong、Jong Seung Kim
DOI:10.1021/ja5077684
日期:2014.10.1
H2O2 to the cancer cells. Prodrug 7 activated by H2O2, selectively inhibited tumor cell growth. Furthermore, intratracheally administered prodrug 7 showed effective antitumor activity in a mousemodel of metastatic lung disease. Thus, this H2O2-responsive prodrug has therapeutic potential as a novel treatment for metastatic cancer via cellular imaging with fluorescence as well as selective release of