TY - JOUR
T1 - Mechanical stimuli induce cleavage and nuclear translocation of the polycystin-1 C terminus
AU - Chauvet, Veronique
AU - Tian, Xin
AU - Husson, Herve
AU - Grimm, David H.
AU - Wang, Tong
AU - Hieseberger, Thomas
AU - Igarashi, Peter
AU - Bennett, Anton M.
AU - Ibraghimov-Beskrovnaya, Oxana
AU - Somlo, Stefan
AU - Caplan, Michael J.
PY - 2004/11
Y1 - 2004/11
N2 - Polycystin-1, which is encoded by a gene that is mutated in autosomal dominant polycystic kidney disease (ADPKD), is involved in cell-matrix interactions as well as in ciliary signaling. The precise mechanisms by which it functions, however, remain unclear. Here we find that polycystin-1 undergoes a proteolytic cleavage that releases its C-terminal tail (CTT), which enters the nucleus and initiates signaling processes. The cleavage occurs in vivo in association with alterations in mechanical stimuli. Polycystin-2, the product of the second gene mutated in ADPKD, modulates the signaling properties of the polycystin-1 CTT. These data reveal a novel pathway by which polycystin-1 transmits messages directly to the nucleus.
AB - Polycystin-1, which is encoded by a gene that is mutated in autosomal dominant polycystic kidney disease (ADPKD), is involved in cell-matrix interactions as well as in ciliary signaling. The precise mechanisms by which it functions, however, remain unclear. Here we find that polycystin-1 undergoes a proteolytic cleavage that releases its C-terminal tail (CTT), which enters the nucleus and initiates signaling processes. The cleavage occurs in vivo in association with alterations in mechanical stimuli. Polycystin-2, the product of the second gene mutated in ADPKD, modulates the signaling properties of the polycystin-1 CTT. These data reveal a novel pathway by which polycystin-1 transmits messages directly to the nucleus.
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U2 - 10.1172/JCI200421753
DO - 10.1172/JCI200421753
M3 - Article
C2 - 15545994
SN - 0021-9738
VL - 114
SP - 1433
EP - 1443
JO - Journal of Clinical Investigation
JF - Journal of Clinical Investigation
IS - 10
ER -