TGF-β Signaling Regulates the Differentiation of Motile Cilia.
TGF-β Signaling Regulates the Differentiation of Motile Cilia.
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DOI:
10.1016/j.celrep.2015.04.025
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发表时间:
2015-05-19
期刊:
影响因子:
8.8
通讯作者:
Kato Y
中科院分区:
文献类型:
--
作者:
Tözser J;Earwood R;Kato A;Brown J;Tanaka K;Didier R;Megraw TL;Blum M;Kato Y
The cilium is a small cellular organelle with motility and/or sensory related functions that plays a crucial role during developmental and homeostatic processes. Although many molecules or signal transduction pathways that control cilia assembly have been reported, the mechanisms of ciliary length control have remained enigmatic. Here we report that Smad2-dependent TGF-β signaling impacts on the length of motile cilia at the Xenopus left-right (LR) organizer, the gastrocoel roof plate (GRP), as well as at the neural tube and the epidermis. Blocking TGF-β signaling resulted in the absence of the transition zone protein B9D1/MSKR-1 from cilia in multi-ciliated cells (MCCs) of the epidermis. Interestingly, this TGF-β activity is not mediated by the known major regulators of ciliogenesis, Multicilin, Foxj1 and RFX2. These data indicate that TGF-β signaling is crucial for the function of the transition zone, which in turn may affect the regulation of cilia length.
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