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Bi-wen Lin,Ze-long Jiao,Jian-feng Fan,Liang Peng,Lei Li,Zi-gang Zhao,Xiang-yu Ding,이형진 대한의학회 2013 Journal of Korean medical science Vol.28 No.6
The acquisition of metastasis potential is a critical point for malignant tumors. Melanoma differentiation associated gene-7/interleukin-24 (mda-7/IL-24) is a potential tumor suppress gene and frequently down-regulated in malignant tumors. It has been implicated that overexpression of MDA-7 led to proliferation inhibition in many types of human tumor. Invasion is an important process which is potential to promote tumor metastasis. However, the role and potential molecular mechanism of mda-7/IL-24 to inhibit the invasion of human melanoma cancer is not fully clear. In this report, we identified a solid role for mda-7/IL-24 in invasion inhibition of human melanoma cancer LiBr cells, including decreasing of adhesion and invasion in vitro, blocking cell cycle, down-regulating the expression of ICAM-1, MMP-2/9, CDK1, the phosphorylation of ERK and Akt, NF-κB and AP-1 transcription activity. Meanwhile, there was an increased expression of PTEN in mda-7/IL-24 over-expression LiBr cells. Our results demonstrated that mda-7/IL-24 is a potential invasion suppress gene, which inhibits the invasion of LiBr cells by the down-regulation of ICAM-1, MMP-2/9, PTEN, and CDK1 expression. The molecular pathways involved were the MAPK/ERK, PI3K-Akt, NF-κB, and AP-1. These findings suggest that mda-7/IL-24 may be used as a possible therapeutic strategy for human melanoma cancer.
Human Liver Specific Transcriptional Factor TCP10L Binds to MAD4
Jiang, Dao-Jun,Yu, Hong-Xiu,Hexige, Sa-Yin,Guo, Ze-Kun,Wang, Xiang,Ma, Li-Jie,Chen, Zheng,Zhao, Shou-Yuan,Yu, Long Korean Society for Biochemistry and Molecular Biol 2004 Journal of biochemistry and molecular biology Vol.37 No.4
A human gene T-complex protein 10 like (TCP10L) was cloned in our lab. A previous study showed that it expressed specifically in the liver and testis. A transcription experiment revealed that TCP10L was a transcription factor with transcription inhibition activity. In this study, the human MAD4 was identified to interact with TCP10L by a yeast two-hybrid screen. This finding was confirmed by immunoprecipitation and subcellular localization experiments. As MAD4 is a member of the MAD family, which antagonizes the functions of MYC and promotes cell differentiation, the biological function of the interaction between TCP10L and MAD4 may be to maintain the differentiation state in liver cells. Also, we propose that the up-regulation of Myc is caused by the down-regulation of TCP10L in human hepatocarcinomas.
Human Liver Specific Transcriptional Factor TCP10L Binds to MAD4
( Dao Jun Jiang ),( Hong Xiu Yu ),( Sa Yin Hexige ),( Ze Kun Guo ),( Xiang Wang ),( Li Jie Ma ),( Zheng Chen ),( Shou Yuan Zhao ),( Long Yu ) 생화학분자생물학회 2004 BMB Reports Vol.37 No.4
A human gene T-complex protein 10 like (TCP10L) was cloned in our lab. A previous study showed that it expressed specifically in the liver and testis. A transcription experiment revealed that TCP10L was a transcription factor with transcription inhibition activity. In this study, the human MAD4 was identified to interact with TCP10L by a yeast two-hybrid screen. This finding was confirmed by immunoprecipitation and subcellular localization experiments. As MAD4 is a member of the MAD family, which antagonizes the functions of MYC and promotes cell differentiation, the biological function of the interaction between TCP10L and MAD4 may be to maintain the differentiation state in liver cells. Also, we propose that the up-regulation of Myc is caused by the down-regulation of TCPIOL in human hepatocarcinomas.
Recent advances in the food application of electrospun nanofibers
Wei-Hua Han,Xiao Li,Gui-Feng Yu,Bin-Chang Wang,Lin-Peng Huang,Jingkai Wang,Yun-Ze Long 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.110 No.-
Electrospinning (e-spinning) has excellent advantages in producing functional and versatile nanofibersand electrospun (e-spun) nanofibers have a variety of potential applications, including in food industry. This paper reviews the recent progress of e-spinning and food-related e-spun nanofibers, covering ediblenanofibers (natural materials and food ingredients), active food packaging (antibacterial packaging,antioxidant packaging, high temperature and humidity resistant packaging), food filtration membranes,and food sensors. Additionally, we discussed the new trend of combining nanomaterials with food andthe challenges of applying e-spinning in food science. The results indicated that e-spinning is a promisingand efficient alternative for the production of daily and functional food.
Li-qun Yang,Yong-kuo Liu,Min-jun Peng,Abiodun Ayodeji,Zhi-tao Chen,Ze-yu Long 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.1
During the decommissioning of the nuclear facilities, the radioactive gases in pressure vessels may leakdue to the demolition operations. The decommissioning site has large space, slow air circulation, andmany large nuclear facilities, which increase the difficulty of workers' inhalation exposure assessment. Inorder to dynamically evaluate the activity distribution of radionuclides and the committed effective dosefrom inhalation in nuclear decommissioning environment, an inhalation exposure assessment methodbased on the modified eddy-diffusion model and the inhaled dose conversion factor is proposed in thispaper. The method takes into account the influence of building, facilities, exhaust ducts, etc. on thedistribution of radioactive gases, and can evaluate the influence of radioactive gases diffusion on workersduring the decommissioning of nuclear facilities.