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Targeted Depletion of Primary Cilia in Dopaminoceptive Neurons in a Preclinical Mouse Model of Huntington's Disease.

Several pathomechanisms triggered by mutant huntingtin (mHTT) underlying the progressive degeneration of striatal neurons dopaminoceptive in Huntington's disease (HD). The primary cilium is a membrane compartment that serves as a hub for a variety Zebrafish Clia Kits of pathways dysregulated in HD, for example, dopamine (DA) receptor transmission and mechanistic targets of rapamycin (mTOR) pathway. 

The role of primary cilia (PC) for the maintenance of striatal neurons and in the development of HD remains unknown. Here, we investigate the defect PC in striatal neurons vulnerable in HD progressive models, mHTT-expressing zQ175 knock-in mice.

 We found that the length of the PC is affected in striatal but not in cortical neurons, related to the accumulation mHTT. To explore the role of a PC, we generated conditional mutant mice lacking IFT88, the components of anterograde transport intraflagellar less PC-B complex in neurons dopaminoceptive. These mutations preserved expression of dopamine 1 receptor (D1R), and the survival of striatal neurons, but resulted in slight increase of metabolites of DA in striatum, showing the transmission imbalance DA receptor cilia.

 Conditional loss of PC in zQ175 mice did not trigger astrogliosis, however, mTOR signaling a more active and clearer results in accumulation of nuclear inclusions containing mHTT. Further research will be needed to determine the roles of aged mice aberrant cilia function in the more advanced stages of HD.
Targeted Depletion of Primary Cilia in Dopaminoceptive Neurons in a Preclinical Mouse Model of Huntington's Disease.


The expression of genes associated with primary cilia in the developing gonads of mice.


The mechanisms that regulate the differentiation of gonads potentially double in the testes or ovaries are complex and are still vague. The primary cilia are organelles involved in cell signaling, which controls the development of many organs, but the role of primary cilia in sex determination and gonadal sex differentiation is not known com-pletely. 

Here we studied the expression of genes involved in primary cilia formation and function-ing in the fetal mouse gonads, before, during and after the sexual Bovine Clia Kits differentiation. We studied the expression of 175 genes associated with primary ciliary using microarray technique. 144 of these genes ubiquitously expressed in all cell types studied with no significant difference in expression levels. 

Such a high level of expression of genes associated with primary cilia in the developing gonads of mice showed that primary cilia and / or cilia-related genes is a major importance for the development of both somatic and germline component of the gonads
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