抑制Wnt/β-catenin信号通路对上唇发育的影响
Journal of Oral Science Research(2019)
Abstract
目的:探讨通过抑制Wnt/β-catenin信号表达对上唇发育的影响.方法:通过在H-H22阶段的鸡胚上颌突植入浸有XAV939、DMSO的微珠以及只作切口不植入微珠,构建实验组、对照组和假实验组,并继续孵育至H-H38阶段,体视显微镜以及mirco-CT观察并记录胚胎上唇的发育情况.结果:Wnt/β-catenin信号受抑制后,H-H28阶段的鸡胚植入侧上颌突与中鼻突和侧鼻突的融合延迟,H-H38阶段的鸡胚植入侧的上唇出现发育延缓,面中线偏向植入侧;实验组的正常侧、对照组以及假实验组的双侧上唇发育未受影响.结论:在鸡胚上唇发育过程中,通过抑制Wnt/β-catenin信号表达,可延迟上颌突和中鼻突的融合,使上唇发育延迟,进而导致上颌骨发育不足或畸形.
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