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KMID : 0892920200290010011
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Experimental Neurobiology
2020 Volume.29 No. 1 p.11 ~ p.26
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Distribution of Cadherin in the Parahippocampal Area of Developing Domestic Chicken Embryos
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Zhou He
Wang Xiao Fan
Lin Jun Tang
Zhao Ze
Chang Cheng
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Abstract
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Hippocampal formation is important in spatial learning and memory. Members of the cadherin superfamily are observed in the neural system with diverse spatial and temporal expression patterns and are involved in many biological processes. To date, the avian hippocampal formation is not well understood. In this study, we examined the expression of cadherin mRNA in chicken and mouse brains to investigate the morphological and cytoarchitectural bases of hippocampal formation. Profiles of the spatiotemporal expression of cadherin mRNAs in the developing chicken embryonic parahippocampal area (APH) are provided, and layer-specific expression and spatiotemporal expression were observed in different subdivisions of the APH. That fact that some cadherins (Cdh2, Cdh8, Pcdh8 and Pcdh10) showed conserved regional expression both in the hippocampus and entorhinal cortex of mice and the hippocampal formation of chickens partially confirmed the structural homology proposed by previous scientists. This study indicates that some cadherins can be used as special markers of the avian hippocampal formation.
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KEYWORD
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Hippocampus, Parahippocampal area, Cadherin, Chicken embryos, Avian
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