The influence of ischemia-reperfusion(I/R)action on pancreatic blood flow(PBF)and the development of acute pancreatitis(AP)in laboratory rats is evaluated in vivo by using the laser speckle contrast imaging(LSCI).Addi...The influence of ischemia-reperfusion(I/R)action on pancreatic blood flow(PBF)and the development of acute pancreatitis(AP)in laboratory rats is evaluated in vivo by using the laser speckle contrast imaging(LSCI).Additionally,the optical properties in norm and under condition of AP in rats were assessed using a modied integrating sphere spectrometer and inverse Monte Carlo(IMC)software.The results of the experimental study of microcirculation of the pancreas in 82 rats in the ischemic model are presented.The data obtained conrm the fact that local ischemia and changes in the blood°ow velocity of the main vessels cause and provoke acute pancreatitis.展开更多
The antitumor efficiency of gold nanorod plasmonic photothermal therapy(PPTT)was evalu-ated experimentally.The rat cholangiocarcinoma line PC-1 was used as a tumor model.Exposureof tumors to S08-nm laser radiation was...The antitumor efficiency of gold nanorod plasmonic photothermal therapy(PPTT)was evalu-ated experimentally.The rat cholangiocarcinoma line PC-1 was used as a tumor model.Exposureof tumors to S08-nm laser radiation was performed,and the noninvasive temperature monitoring of the tumor tissue was carried out using infrared imager.The growth rate kinetics and mor-phological alterations of transplanted liver tumors,as wll as indicators of lipid peroxidation activity and autointoxication in rat serum,were studied,The activation of lipid peroxidation andthe development of autointoxication were detected after PPTT.The results not only demonstratethe antitumor ficacy of the proposed therapeutic technology but also reveal the side effectsin the presence of peroxidation products in systemic circulation.展开更多
基金the nancial sup-port of the Project No.13.2251.21.0009 of the Ministry of Science and Higher Education of the Russian Federation.
文摘The influence of ischemia-reperfusion(I/R)action on pancreatic blood flow(PBF)and the development of acute pancreatitis(AP)in laboratory rats is evaluated in vivo by using the laser speckle contrast imaging(LSCI).Additionally,the optical properties in norm and under condition of AP in rats were assessed using a modied integrating sphere spectrometer and inverse Monte Carlo(IMC)software.The results of the experimental study of microcirculation of the pancreas in 82 rats in the ischemic model are presented.The data obtained conrm the fact that local ischemia and changes in the blood°ow velocity of the main vessels cause and provoke acute pancreatitis.
基金supported by a grant No.14-13-01167 from the Russian Scientic Foundationsupported by the Russian Presidential grant NSh-703.2014.2 (ANB,EAG and VVT)by ABB,GNM and GST was supported by a grant No.14.Z50.31.0004 to support scientic research projects implemented under the supervision of leading scientists at Russian institutions of higher education.
文摘The antitumor efficiency of gold nanorod plasmonic photothermal therapy(PPTT)was evalu-ated experimentally.The rat cholangiocarcinoma line PC-1 was used as a tumor model.Exposureof tumors to S08-nm laser radiation was performed,and the noninvasive temperature monitoring of the tumor tissue was carried out using infrared imager.The growth rate kinetics and mor-phological alterations of transplanted liver tumors,as wll as indicators of lipid peroxidation activity and autointoxication in rat serum,were studied,The activation of lipid peroxidation andthe development of autointoxication were detected after PPTT.The results not only demonstratethe antitumor ficacy of the proposed therapeutic technology but also reveal the side effectsin the presence of peroxidation products in systemic circulation.
基金carried out with the financial support of the Project No.13.2251.21.0009 of the Ministry of Science and Higher Education of the Russian Federation(agreement No.075-15-2021-942).