The authors investigated the regulation of human aquaporin I(hAQP1) and the involvement of aquaporin 1 (AQP 1) in the migration of human hepatocellular carcinoma SMMC-7221 cells using RNA intereference technology ...The authors investigated the regulation of human aquaporin I(hAQP1) and the involvement of aquaporin 1 (AQP 1) in the migration of human hepatocellular carcinoma SMMC-7221 cells using RNA intereference technology Firstly, two short hairpin RNA(shRNA) constructs in PBSU6 vector were reconstructed and their knockdown effects were identified in SMMC-7221 cells. Next, the involvement of endogenous hAQP1 in regulating the migration of SMMC-7221 cells was investigated via siRNA technology. HAQPI-shRNA can specifically inhibit AQP1 dependent osmotic water permeability. Meanwhile the migration of SMMC-7221 cells was inhibited remarkably after silencing AQP1 by performing transwell cell migration assay and in vitro wound healing assay. Furthermore, in the presence of an inhibitor HgCl2, the water permeability of the cell membrane was remarkably decreased, the expression of AQP1 was upregulated after HgCla treatment and the cell movement was decreased at the moment. Increased AQP1 cannot attenuate cell migration ability when cell membrane loses its water permeability function. This demonstrates that the cell migration was remarkably related to the transporting water function of cell membrane.展开更多
采用国际通行的文献计量学的方法,基于2013~2020年Web of Science(WOS)收录的SCI论文数据,研究分析了发达国家计量机构如:美国标准技术研究院(NIST)、英国国家物理实验室(NPL)和德国物理技术研究院(PTB)的科研产出,包括论文规模和学科...采用国际通行的文献计量学的方法,基于2013~2020年Web of Science(WOS)收录的SCI论文数据,研究分析了发达国家计量机构如:美国标准技术研究院(NIST)、英国国家物理实验室(NPL)和德国物理技术研究院(PTB)的科研产出,包括论文规模和学科影响力等指标,并进行了对标分析,尝试剖析计量领域科技创新的未来发展态势,同时期望数据背后的趋势和研究结论,能够在我国“十四五”发展中提供参考和支撑。展开更多
基金Supported by the National Natural Science Foundation of China(Nos 30871301,30700827)the Program of Ministry of Science and Technology of China(No2010DFA31430)+1 种基金the Program of Jilin Provincial Science & Technology Department, China(Nos20070719, 20080731 and 200905116)the Fund of Northeast Normal University, China(NoNENU-STC07005)
文摘The authors investigated the regulation of human aquaporin I(hAQP1) and the involvement of aquaporin 1 (AQP 1) in the migration of human hepatocellular carcinoma SMMC-7221 cells using RNA intereference technology Firstly, two short hairpin RNA(shRNA) constructs in PBSU6 vector were reconstructed and their knockdown effects were identified in SMMC-7221 cells. Next, the involvement of endogenous hAQP1 in regulating the migration of SMMC-7221 cells was investigated via siRNA technology. HAQPI-shRNA can specifically inhibit AQP1 dependent osmotic water permeability. Meanwhile the migration of SMMC-7221 cells was inhibited remarkably after silencing AQP1 by performing transwell cell migration assay and in vitro wound healing assay. Furthermore, in the presence of an inhibitor HgCl2, the water permeability of the cell membrane was remarkably decreased, the expression of AQP1 was upregulated after HgCla treatment and the cell movement was decreased at the moment. Increased AQP1 cannot attenuate cell migration ability when cell membrane loses its water permeability function. This demonstrates that the cell migration was remarkably related to the transporting water function of cell membrane.
文摘采用国际通行的文献计量学的方法,基于2013~2020年Web of Science(WOS)收录的SCI论文数据,研究分析了发达国家计量机构如:美国标准技术研究院(NIST)、英国国家物理实验室(NPL)和德国物理技术研究院(PTB)的科研产出,包括论文规模和学科影响力等指标,并进行了对标分析,尝试剖析计量领域科技创新的未来发展态势,同时期望数据背后的趋势和研究结论,能够在我国“十四五”发展中提供参考和支撑。