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Morphological and molecular changes associated with Pitchfork during mouse palate development

 Chengri Jin  ;  Jong-Min Lee  ;  Qinghuang Tang  ;  Liwen Li  ;  Min-Jung Lee  ;  Hyoung-Seon Baik  ;  Han-Sung Jung 
 Cell and Tissue Research, Vol.358(2) : 385-393, 2014 
Journal Title
 Cell and Tissue Research 
Issue Date
Animals ; Apoptosis/genetics ; Cell Proliferation ; Gene Expression Regulation, Developmental* ; Hedgehog Proteins/metabolism ; Homeodomain Proteins/genetics ; Homeodomain Proteins/metabolism* ; Mice ; Palate/anatomy & histology* ; Palate/cytology ; Palate/embryology ; Palate/metabolism*
Palate development ; Primary cilia ; Pitchfork ; Cell proliferation ; Apoptosis
Mammalian palate development is regulated by complex processes. Many cellular and molecular events, such as cell proliferation, apoptosis, cell migration and the epithelial mesenchymal transition, regulate proper palate development and some abnormalities in palate development lead to cleft palate. Various developmental disorders, such as cleft palate and disorders of the lung, kidney and heart, are known to be associated with ciliary defects. Pitchfork, a mouse embryonic node gene, is associated with ciliary targeting complexes located at the basal body during primary cilia disassembly. To determine the function of Pitchfork during palate development, we examine Pitchfork expression patterns and morphological changes in the developing secondary palate after Pitchfork over-expression. From embryonic day 12.5 (E12.5) to E13.5 in mice, Pitchfork was highly expressed in the developing mouse secondary palate. Morphological differences were observed in vitro in cultured palates in the Pitchfork over-expression group compared with the control group. Pitchfork over-expression induced primary cilia disassembly during palate development. Sonic hedgehog and Patched1 expression levels and palatine rugae morphology were altered in the over-expressed Pitchfork group during palate development. Thus, the proper expression levels of Pitchfork might play a pivotal role in normal secondary palate morphogenesis.
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Baik, Hyoung Seon(백형선)
Lee, Min Jung(이민정)
Li, Liwen(이여문)
Jung, Han Sung(정한성) ORCID logo https://orcid.org/0000-0003-2795-531X
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