山东大学耳鼻喉眼学报 ›› 2016, Vol. 30 ›› Issue (3): 68-72.doi: 10.6040/j.issn.1673-3770.0.2015.456
张小兵1,戴方平2,侯赟1,Brand-Saberi B2
ZHANG Xiaobing1, DAI Fangping2, HOU Yun1, Brand-Saberi B
摘要: 目的 观察Wnt家族负调节因子cAxin2在鸡胚内耳早期发育中的表达方式。 方法 制备cAxin2的探针,并用地高辛RNA标记盒(Roche)标记。将受精白来亨鸡蛋孵化,按Hamburger和Humilton(1951)标准分期,宰杀HH11-28各期鸡胚并固定,全胚胎原位杂交。挑选合适鸡胚并用震动切片机切片。 结果 鸡的等位基因cAxin2的表达始于HH-14+期发育内耳的耳杯中,并在内耳的形成及进一步耳囊的分化过程中显示了一个动态的表达方式。 结论 cAxin2参与鸡胚内耳发育。
中图分类号:
| [1] Nakajima Y. Signaling regulating inner ear development: cell fate determination, patterning, morphogenesis, and defects[J]. Congenit Anom(Kyoto), 2015, 55(1):17-25. [2] Chen Z Q, Han X H, Wei Q J, et al. Comparative analysis of conservation and regulatory network on core transcription factors in mouse inner ear development[J]. Yi Chuan, 2013, 35(10):1198-1208. [3] Bohnenpoll T, Trowe M O, Wojahn I, et al. Kispert A Canonical Wnt signaling regulates the proliferative expansion and differentiation of fibrocytes in the murine inner ear[J]. Dev Biol, 2014, 391(1):54-65. [4] Jho E H, Zhang T, Domon C, et al. Costantini F Wnt/beta-catenin/Tcf signaling induces the transcription of Axin2, a negative regulator of the signaling pathway[J]. Mol Cell Biol, 2002, 22(4):1172-1183. [5] Moura R S, Carvalho-Correia E, Damota P, et al. Wnt signaling activity in early stages of chick lung development[J]. PLoS One, 2014, 9(12):e112388. [6] Lohi M, Tucker A S, Sharpe P T. Expression of Axin2 indicates a role for canonical Wnt signaling in development of the crown and root during pre- and postnatal tooth development[J]. Dev Dyn, 2010, 239(1):160-167. [7] Chai R, Xia A, Wang T, et al. Dynamic expression of Lgr5, a Wnt target gene, in the developing and mature mouse cochlea[J]. J Assoc Res Otolaryngol, 2011, 12(4):455-469. [8] Hamburger V, Hamilton H L. A series of normal stages in the development of the chick embryo[J]. J Morphol, 1951, 88(1):49-92. [9] Cole L K, Le Roux I, Nunes F, et al. Sensory organ generation in the chicken inner ear: contributions of bone morphogenetic protein 4, serrate1, and lunatic fringe[J]. J Comp Neurol, 2000, 424(3):509-520. [10] Leung J Y, Kolligs F T, Wu R, et al. Activation of AXIN2 expression by beta-catenin-T cell factor. A feedback repressor pathway regulating Wnt signaling[J]. J Biol Chem, 2002, 277(24):21657-21665. [11] Parr B A, Shea M J, Vassileva G, et al. Mouse Wnt genes exhibit discrete domains of expression in the early embryonic CNS and limb buds[J]. Development, 1993, 119(1):247-261. [12] Mcmahon A P, Joyner A L, Bradley A, et al. The midbrain-hindbrain phenotype of Wnt-1-/Wnt-1- mice results from stepwise deletion of engrailed-expressing cells by 9.5 days postcoitum[J]. Cell, 1992, 69(4):581-595. [13] Riccomagno M M, Takada S, Epstein D J. Wnt-dependent regulation of inner ear morphogenesis is balanced by the opposing and supporting roles of Shh[J]. Genes Dev, 2005, 19(13):1612-1623. [14] Yu H M, Jerchow B, Sheu T J, et al. The role of Axin2 in calvarial morphogenesis and craniosynostosis[J]. Development, 2005, 132(8):1995-2005. [15] Wilkie A O, Morriss-Kay G M. Genetics of craniofacial development and malformation[J]. Nat Rev Genet, 2001, 2(6): 458- 468. |
| [1] | 李祯,崔丽梅,孙岩. 骨形态发生蛋白4在内耳发育及在毛细胞与螺旋神经节细胞再生中的研究进展[J]. 山东大学耳鼻喉眼学报, 2022, 36(2): 108-112. |
|
||