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Hematomas and Limb Skeletal Malformations in Chicken Embryos Following Exposure to 5-Fluoro-2'-Deoxyuridine
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作者 ROBERT S. NOLAN GARRY SCHWARTZ +6 位作者 SEAN FARQUHARSON DAVID R.HOOTNICK E. MARK LEVINSOHN MARY MILLER LISA A. MANZ AND DAVID S. PACKARD, JR (Departments of Anatomy and Cell Biology, Orthopedic Surgery,and Pediatrics, State University of New York Health 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 1998年第1期15-30,共16页
Vascular injury or interruption may play a role in vertebrate limb teratogenesis. Since 5fluoro- 2'- deoxyuridine (FdU) can cause vascular injury in the murine limb and skull prior to the appearance of skeletal ma... Vascular injury or interruption may play a role in vertebrate limb teratogenesis. Since 5fluoro- 2'- deoxyuridine (FdU) can cause vascular injury in the murine limb and skull prior to the appearance of skeletal malformations in these structures, we studied the effects of this chemical on skeletal development in the chick embryo and noted any vascular injury. The yolk sacs of day three ehick embryos (Hamburger and Hamilton states 17-19) were injected with solutions of vary concentrations of FdU in saline. The embryos developed until the 10th day of incubation when they were fixed for study. Uninjected, saline injected, and sham injected control embryo were similarly fixed. Upon gross inspection, frequent diffuse and saccular hernatomas, as well as fluid-filled blisters, were noted in the limbs of embryos treated with FdU. After the embryos were fixed and cleared, and the skeletons stained, significant skeletal malformations were observed in these limbs. Bony elements of both the upper and lower limbs were affected in at least some of the embryos. The combination of FdU-induced hematomas and blisters with associated skeletal malformations in the same regions of some embryos suggests a relationship between these phenomena. 展开更多
关键词 Hematomas and Limb skeletal malformations in Chicken Embryos Following Exposure to 5-Fluoro-2 DEOXYURIDINE
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