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Strain-specific differences in brain gene expression in a hydrocephalic mouse model with motile cilia dysfunction.

Congenital hydrocephalus results from the accumulation of cerebrospinal fluid in the ventricles of the brain and cause severe nerve damage, but the underlying causes are not well understood. It is associated with several syndromes, including primary ciliary dyskinesia (PCD), which Porcine Clia Kits is caused by a dysfunction of motile cilia. We previously showed that a mouse model of cilia CFAP221 PCD less protein, CFAP54 and SPEF2 all had hydrocephalus with the severity of the injury depends. 

While the morphological defects are more severe in the C57BL / 6J (B6) background of 129S6 / SvEvTac (129), the flow of cerebrospinal fluid is impaired in both backgrounds, showed that the cilia-driven flow of normal is not the only factor underlying the phenotype of hydrocephalus. Here, we performed microarray analysis in the brains of wild type and mice lacking nm1054 B6 and 129 CFAP221 in the background. differences in expression were observed for a number of genes cluster into distinct groups based on patterns of expression and biological function, many of them are involved in cellular and biochemical processes essential for proper brain development. 

This includes genes known to be functionally relevant with congenital hydrocephalus, as well as the formation and function of both motile and sensory cilia. Identification of these genes provide important clues to the underlying mechanisms of congenital hydrocephalus severity.
Strain-specific differences in brain gene expression in a hydrocephalic mouse model with motile cilia dysfunction.

Rho-kinase and PKCĪ± Elongation Inhibition Induces Primary Cilia and Alters Behavior Differentiated undifferentiated and temperature sensitive mouse cochlea Sel.



primary cilia, arranged through different signal transduction pathways, play an important role in various cellular behavior. However, the full regulatory mechanisms involved in the development of primary cilia during cellular differentiation is not completely understood, especially for the sensory hair cells of the cochlea of ​​mammals. 

In this study, we examined the effect of Rho-kinase inhibitor Y27632 and PKCĪ± inhibitor on cell behavior associated GF109203X primary cilia in mice precursor cochlear hair cells and temperature-sensitive distinguished distinguished (conditionally immortalized AS / VOT-E36 cell line). Our results show that treatment with Y27632 or GF109203X induced elongation and tubulin acetylation of primary cilia in cells differentiated and undifferentiated. 

Along with cilia elongation, Y27632 treatment also increased Hook2 Rabbit Clia Kits and cyclinD1 expression, while only Hook2 expression increased after treatment with GF109203X. In the undifferentiated cell, we observed an increase in the number of S and G2 / M cell stage and a decrease in G1 cells after treatment with Y27632, while the opposite was observed after treatment with GF109203X
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