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Journal Article
Research Support, Non-U.S. Gov't
[Ultrasound molecular detection of immediately blood-mediated inflammatory reaction induced by islets transplantation in vitro].
Zhong Nan da Xue Xue Bao. Yi Xue Ban = Journal of Central South University. Medical Sciences 2015 June
OBJECTIVE: To study the feasibility of ultrasonic molecular imaging of immediately blood-mediated inflammatory reaction (IBMIR) in vitro.
METHODS: IBMIR models in vitro were divided into 3 groups: Group A, no microbubbles were added; Group B, non-targeted micro-bubbles were added; Group C, Lys-Gly-Asp-Ser (KGDS)-targeted microbubbles (MBK) were added. The ultrasonic enhancement of IBMIR in loops by ultrasonic contrast imaging was evaluated.
RESULTS: The contrast-enhanced US imaging did not show thrombus formation in the group A, whereas the thrombus was found in the Group B and C with a change in filling defects or ring enhancement, respectively. The time for detecting thrombosis was (7.3 ± 0.5) min and (13.2 ± 0.6) min in Group B and Group C, respectively (P<0.05). The average-gray scales of thrombus in Group B and Group C were 31.22 ± 3.56 and 75.85 ± 5.21, respectively (P<0.05). The fluorescence microscope also showed that MBK was attached to thrombus surrounding islets.
CONCLUSION: IBMIR model in vitro showed that KGDS-targeted ultrasound contrast agent could adhere to thrombus shell surrounding islets and molecular target ultrasonography could image these thrombi noninvasively and effectively.
METHODS: IBMIR models in vitro were divided into 3 groups: Group A, no microbubbles were added; Group B, non-targeted micro-bubbles were added; Group C, Lys-Gly-Asp-Ser (KGDS)-targeted microbubbles (MBK) were added. The ultrasonic enhancement of IBMIR in loops by ultrasonic contrast imaging was evaluated.
RESULTS: The contrast-enhanced US imaging did not show thrombus formation in the group A, whereas the thrombus was found in the Group B and C with a change in filling defects or ring enhancement, respectively. The time for detecting thrombosis was (7.3 ± 0.5) min and (13.2 ± 0.6) min in Group B and Group C, respectively (P<0.05). The average-gray scales of thrombus in Group B and Group C were 31.22 ± 3.56 and 75.85 ± 5.21, respectively (P<0.05). The fluorescence microscope also showed that MBK was attached to thrombus surrounding islets.
CONCLUSION: IBMIR model in vitro showed that KGDS-targeted ultrasound contrast agent could adhere to thrombus shell surrounding islets and molecular target ultrasonography could image these thrombi noninvasively and effectively.
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