Tumor-binding prodrug micelles of polymerdrug conjugates for anticancer therapy in HeLa cellsElectronic supplementary information (ESI) available: (1) 1H-NMR spectra of synthesized polymerdrug conjugates (2) IC30 value of various drug formulations, (3) summarized intracellular uptake of DOXPHSM and DOXFOLPHSM, assessed by flow cytometry, (4) low magnification CLSM images of HeLa cells incubated with DOXPHSM and DOXFOLPHSM and subcellular distribution of DOXPHSM and DOXFOLPHSM, trafficked by lyso
An interesting phytosphingosine (PHS), a natural sphingolipid metabolite comprising ceramides, is believed to play a vital role in strong anticancer therapeutic efficacy for various types of cancer cells, which is based on a programmed cellular death mechanism, so called apoptosis. However, extremel...
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Abstract | An interesting phytosphingosine (PHS), a natural sphingolipid metabolite comprising ceramides, is believed to play a vital role in strong anticancer therapeutic efficacy for various types of cancer cells, which is based on a programmed cellular death mechanism, so called apoptosis. However, extremely low water-solubility has been an obstacle to its usage as an anticancer drug
via
the systemic administration route. To utilize the benefits of PHS, we developed tumor-targeting polymerdrug conjugates wherein hydrophobic PHS was connected to the folate-grafted hydrophilic and biocompatible polymer through pH-sensitive linkages. The polymerdrug conjugates formed nano-sized (1020 nm) spherical micelles spontaneously in aqueous media and they were found to have high drug contents (10.3 wt%). We present a systematic study of
in vitro
anticancer therapy in HeLa cells treated by tumor-targeting micelles in terms of anti-proliferation. The anticancer effect was analyzed by apoptotic cell death as well as the preferential distribution of loaded drug in the cancer cells. The synergistic effect by loading the commercial drug of doxorubicin was also studied.
Tumor-binding polymerdrug conjugates with hydrophobic phytosphingosine connected to folate-grafted hydrophilic and biocompatible polymers are presented. |
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AbstractList | An interesting phytosphingosine (PHS), a natural sphingolipid metabolite comprising ceramides, is believed to play a vital role in strong anticancer therapeutic efficacy for various types of cancer cells, which is based on a programmed cellular death mechanism, so called apoptosis. However, extremely low water-solubility has been an obstacle to its usage as an anticancer drug
via
the systemic administration route. To utilize the benefits of PHS, we developed tumor-targeting polymerdrug conjugates wherein hydrophobic PHS was connected to the folate-grafted hydrophilic and biocompatible polymer through pH-sensitive linkages. The polymerdrug conjugates formed nano-sized (1020 nm) spherical micelles spontaneously in aqueous media and they were found to have high drug contents (10.3 wt%). We present a systematic study of
in vitro
anticancer therapy in HeLa cells treated by tumor-targeting micelles in terms of anti-proliferation. The anticancer effect was analyzed by apoptotic cell death as well as the preferential distribution of loaded drug in the cancer cells. The synergistic effect by loading the commercial drug of doxorubicin was also studied.
Tumor-binding polymerdrug conjugates with hydrophobic phytosphingosine connected to folate-grafted hydrophilic and biocompatible polymers are presented. |
Author | Kim, Jong-Duk Jung, Bokyung Song, Yoon-Jae Park, Jung-Hwan Min, Jun-Hong Kim, Jung-Eun Park, Jung-Ki Jeong, Yong-Cheol |
AuthorAffiliation | Department of Chemical and Biomolecular Engineering (BK21 Graduate Program) Department of Bio-Nano Technology and Gachon BioNano Research Institute Present address: School of Integrated Engineering KAIST Gachon University Chung-Ang University Department of Life Science |
AuthorAffiliation_xml | – name: Department of Bio-Nano Technology and Gachon BioNano Research Institute – name: Department of Life Science – name: KAIST – name: Gachon University – name: Chung-Ang University – name: Present address: School of Integrated Engineering – name: Department of Chemical and Biomolecular Engineering (BK21 Graduate Program) |
Author_xml | – sequence: 1 givenname: Bokyung surname: Jung fullname: Jung, Bokyung – sequence: 2 givenname: Yong-Cheol surname: Jeong fullname: Jeong, Yong-Cheol – sequence: 3 givenname: Jun-Hong surname: Min fullname: Min, Jun-Hong – sequence: 4 givenname: Jung-Eun surname: Kim fullname: Kim, Jung-Eun – sequence: 5 givenname: Yoon-Jae surname: Song fullname: Song, Yoon-Jae – sequence: 6 givenname: Jung-Ki surname: Park fullname: Park, Jung-Ki – sequence: 7 givenname: Jung-Hwan surname: Park fullname: Park, Jung-Hwan – sequence: 8 givenname: Jong-Duk surname: Kim fullname: Kim, Jong-Duk |
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ContentType | Journal Article |
DOI | 10.1039/c2jm30534h |
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Notes | FOL value of various drug formulations, (3) summarized intracellular uptake of DOXPHS and DOX trafficked by lysosomal and mitochondrial tracker, (5) procedures for quantifying the nuclear DOX delivered by various formulations and confocal images of HeLa cells processed by image analysis with a home-made MATLAB code. See DOI and subcellular distribution of DOXPHS M H-NMR spectra of synthesized polymerdrug conjugates (2) IC 1 assessed by flow cytometry, (4) low magnification CLSM images of HeLa cells incubated with DOXPHS Electronic supplementary information (ESI) available: (1) PHS 30 10.1039/c2jm30534h |
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References_xml | – issn: 1991 issue: vol. 1 end-page: p 205236 publication-title: Physiology, Biochemistry, and Molecular Biology of the Skin doi: Wertz Downing – issn: 2008 issue: 18 end-page: p 726737 publication-title: Bioconjugate Techniques doi: Hermanson – publication-title: Med. Res. Rev. doi: Majumdar Siahaan |
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Title | Tumor-binding prodrug micelles of polymerdrug conjugates for anticancer therapy in HeLa cellsElectronic supplementary information (ESI) available: (1) 1H-NMR spectra of synthesized polymerdrug conjugates (2) IC30 value of various drug formulations, (3) summarized intracellular uptake of DOXPHSM and DOXFOLPHSM, assessed by flow cytometry, (4) low magnification CLSM images of HeLa cells incubated with DOXPHSM and DOXFOLPHSM and subcellular distribution of DOXPHSM and DOXFOLPHSM, trafficked by lyso |
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