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Gregory B. DanielDVM MS Rodger V. Allhands DVM PhD 《Veterinary radiology & ultrasound》1989,30(2):74-79
Monoclonal antibodies specific for Dirofilaria immitis were labeled with technetium-99m (99m Tc) and tested in vivo in five heartworm positive and five heartworm negative dogs. Diethlyenetriaminepentaactic acid (DTPA) was used to label the 99m Tc to the antibody. Radiochemical purity of the 99m Tc-labeled antibodies (99m Tc-MoAb) was determined by gel filtration and by instant thin-layer chromatography. The uptake percentages in the blood, heart, lung, liver, and kidneys were determined from tissues obtained at necropsy and by computer analysis of images obtained at two and 24 hours. The percent uptake in the heart region of interest (ROI) at two hours was significantly higher in the heartworm-positive dogs. There was significant correlation between the uptake in the heart at two hours to the number and activity of the worms at necropsy. 相似文献
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