I am Dr.Ke Yao,from Eye Center,the Second Affiliated Hospital,School of Medicine,Zhejiang University,Hangzhou,China.I write to present three cases with metastatic choroidal tumor using an ultra-wide-field scanning las...I am Dr.Ke Yao,from Eye Center,the Second Affiliated Hospital,School of Medicine,Zhejiang University,Hangzhou,China.I write to present three cases with metastatic choroidal tumor using an ultra-wide-field scanning laser ophthalmoscope.展开更多
Glutathione(GSH)is a key maintainer of cellular redox balance and plays an important role in many physiological effects.For example,GSH has been widely implicated in cancer initiation,progression and metastasis.Moreov...Glutathione(GSH)is a key maintainer of cellular redox balance and plays an important role in many physiological effects.For example,GSH has been widely implicated in cancer initiation,progression and metastasis.Moreover,the concentrations of GSH in tumor cells can influence drug resistance.Given the serious harmfulness of cancer and the important roles of GSH in cancer,it has great significance to devel-opment probes for screening of tumor cells and real-time monitoring of GSH fluctuations in tumor cells.However,no targetable probe for reversible imaging of GSH in tumor cells has been reported.Herein,we constructed a melatonin-based targetable and reversible fluorescent probe(GR-MT)for screening of tumor cells and real-time imaging of GSH fluctuations in tumor cells.The probe uses coumarin as the skeleton,Michael addition reaction as the reaction mechanism,and melatonin as the targeted groups of tumor cells.The experimental results demonstrate this probe has many advantages including high selec-tivity,satisfactory sensitivity,excellent reversible ability,rapid reaction speed,and outstanding targetabil-ity of tumor cells.Therefore,this study provides a promising tool for tumor cells screening and real-time detection of GSH fluctuations in specific tumor cells.展开更多
基金Supported by Zhejiang Natural Science Foundation Project of China (No.LY18H120001)
文摘I am Dr.Ke Yao,from Eye Center,the Second Affiliated Hospital,School of Medicine,Zhejiang University,Hangzhou,China.I write to present three cases with metastatic choroidal tumor using an ultra-wide-field scanning laser ophthalmoscope.
基金support from the National Natural Science Foundation of China(Nos.21777053 and 22176070)Shandong Province Higher Educational Youth Innovation Sci-ence and Technology Program(No.2019KJD005).
文摘Glutathione(GSH)is a key maintainer of cellular redox balance and plays an important role in many physiological effects.For example,GSH has been widely implicated in cancer initiation,progression and metastasis.Moreover,the concentrations of GSH in tumor cells can influence drug resistance.Given the serious harmfulness of cancer and the important roles of GSH in cancer,it has great significance to devel-opment probes for screening of tumor cells and real-time monitoring of GSH fluctuations in tumor cells.However,no targetable probe for reversible imaging of GSH in tumor cells has been reported.Herein,we constructed a melatonin-based targetable and reversible fluorescent probe(GR-MT)for screening of tumor cells and real-time imaging of GSH fluctuations in tumor cells.The probe uses coumarin as the skeleton,Michael addition reaction as the reaction mechanism,and melatonin as the targeted groups of tumor cells.The experimental results demonstrate this probe has many advantages including high selec-tivity,satisfactory sensitivity,excellent reversible ability,rapid reaction speed,and outstanding targetabil-ity of tumor cells.Therefore,this study provides a promising tool for tumor cells screening and real-time detection of GSH fluctuations in specific tumor cells.
