Abstract
Eye-specific segregation in the dorsal lateral geniculate nucleus (dLGN) and superior colliculus (SC) starts from the embryonic stage and continues to develop postnatally until eye-opening in mice. However, there have been few systematic studies on the details of this developmental process. Here, we carried out time-dependent studies of eye-specific segregation in the dLGN and SC. Our results demonstrated that the development of eye-specific segregation in the SC is completed before postnatal day 12 (P12), which is earlier than in the dLGN (P20). During the whole period, ipsilateral and overlapping axonal projections decreased continuously in both the dLGN and SC. On the other hand, contralateral axonal projections showed little change, except for a slight decrease between P8 and P20 in the dLGN.
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Project supported by the Shanghai Postdoctoral Scientific Program, the National Natural Science Foundation of China (No. 31271158), the Doctoral Program of Higher Education from Ministry of Education of China, the Innovation Program of Shanghai Municipal Education Commission (No. 13ZZ002), the Shanghai Municipal Commission of Health and Family Planning, Science and Technology Commission of Shanghai Municipality (Nos. 12ZR1441000 and 13PJ1401000), and the Young 1000 Plan
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Chen, Yq., Diao, Yp., Duan, Jg. et al. Time-dependent changes in eye-specific segregation in the dorsal lateral geniculate nucleus and superior colliculus of postnatal mice. J. Zhejiang Univ. - Sci. C 15, 807–812 (2014). https://doi.org/10.1631/jzus.C1400153
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DOI: https://doi.org/10.1631/jzus.C1400153