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FKBP8 plays a protective role against hemodynamic stress in the heart mediated via inhibition of the accumulation of misfolded proteins and endoplasmic reticulum-associated apoptosis.
ZMYND10 is a novel co-chaperone that confers specificity for the FKBP8-HSP90 chaperone complex towards axonemal dynein clients required for cilia motility.
Our findings thus indicate that the FKBP38-ANKMY2 axis plays a key role in regulation of Shh signaling in vivo.
A total of 54 genes were determined to be differentially expressed (25 downregulated, 29 upregulated) in the FKBP8Gt((neo)) mouse embryos.
In pre-hearing time Fkbp8-specific signal was also observed in the tectorial membrane, whose alpha- and beta-Tectorin components show similar time-dependent expression of mRNA as Fkbp8.
used systemic gene transfer in tumor-bearing mice to identify novel antiinvasive and antimetastatic functions for Fkbp8, and subsequently for Fkbp1a.
Results show that FKBP8 is an essential antagonist of sonic hedgehog signaling in central nervous system development.
FKBP38 functions to anchor the 26S proteasome at the organellar membrane
Gene expression analysis of Fkbp8 mutants revealed a perturbation of expression of neural tube patterning genes, suggesting that endogenous FKBP8 activity establishes dorso-ventral patterning of the neural tube.
Findings suggest that FKBP38 is required for neuroectodermal organization during neural tube formation as a result of its anti-apoptotic activity and regulation of neurite extension
Disruption of FKBP8 function activates the Shh signaling pathway cell-autonomously dependent on the Gli2 transcription factor and kinesin-2 subunit Kif3a, a component of the intraflagellar transport machinery used to generate cilia.
Data indicate that PHD2 protein stability is regulated by a ubiquitin-independent proteasomal pathway involving FKBP38 as adaptor protein that mediates proteasomal interaction.
Results demonstrated that FKBP8 physically interacts and co-localizes with SPP in endoplasmic reticulum, supporting that FKBP8 is a bona fide substrate of SPP. Also, the data support the involvement of inverse regulation of FKBP8 and mTOR signaling in SPP-enhanced tumorigenicity.
FKBP8 Enhances Protein Stability of the CLC-1 Chloride Channel at the Plasma Membrane
Cycling between the inactive GDP- and the active GTP-bound state modulates the backbone dynamics of a C-terminal truncated form, RhebDeltaCT, which is suggested to influence its interactions. We further investigated the interactions between RhebDeltaCT and the proposed Rheb-binding domain of the regulatory protein FKBP38.
Regulation of CLC-1 chloride channel biosynthesis by FKBP8 and Hsp90beta as a molecular model for myotonia congenita has been described.
Co-expression of FKBP8 with LC3A profoundly induces Parkin-independent mitophagy. Strikingly, even when acting as a mitophagy receptor, FKBP8 avoids degradation by escaping from mitochondria. In summary, this study identifies novel roles for FKBP8 and LC3A, which act together to induce mitophagy.
FKBP8 binding to Hsp90 did not substantially influence its ATPase activity
The information presented here provides important clues for understanding the catalytic activity of FKBP38, its regulation by the unique N-terminal extension, and the potential calcium- and calmodulin-mediated activation of FKBP38.
Overexpression of permanently active S100P in Huh-7 cells inhibited the interaction of FKBP38 with Bcl-2, resulting in the suppression of Bcl-2 stability
FK506 binding protein 8 peptidylprolyl isomerase activity manages a late stage of cystic fibrosis transmembrane conductance regulator (CFTR) folding and stability
The derived structure model of the complex between Bcl-2 and the FKBP38 catalytic domain features both electrostatic and hydrophobic intermolecular contacts and provides a rationale for the regulation of the FKBP38/Bcl-2 interaction by Ca(2+).
Data support a dual role for FKBP38 in regulating CFTR synthesis and post-translational folding.
a dual mechanism for PA activation of mTORC1: PA displaces FKBP38 from mTOR and allosterically stimulates the catalytic activity of mTORC1.
this charge-sensitive site in the FKBP domain participates in the regulation of FKBP38 function by enabling electrostatic interactions with ligand proteins and/or salt ions such as Ca(2+)
These results demonstrate that FKBP38 is a novel regulator of the oncogenic protein PRL-3 abundance and that alteration in the stability of PRL-3 can have a dramatic impact on cell proliferation.
novel insights into the structural arrangement of FKBP38/calmodulin complex
FKBP38 is a key player in regulating the function of Bcl-2 by antagonizing caspase-dependent degradation through the direct interaction with the flexible loop domain of Bcl-2, which contains the caspase cleavage site
Rheb GTPase controls apoptosis by regulating interaction of FKBP38 with Bcl-2 and Bcl-XL
FKBP38 plays a role in TSC gene-dependent cell size regulation.
Bcl-2 interacts with FKBP38 through the unstructured loop, and the interaction appears to regulate phosphorylation in the loop of Bcl-2
FKBP38 indirectly affects the subcellular distribution of calcineurin by interaction with typical calcineurin ligands, as exemplified by the anti-apoptotic protein Bcl-2.
The protein encoded by this gene is a member of the immunophilin protein family, which play a role in immunoregulation and basic cellular processes involving protein folding and trafficking. Unlike the other members of the family, this encoded protein does not seem to have PPIase/rotamase activity. It may have a role in neurons associated with memory function.
peptidyl-prolyl cis-trans isomerase FKBP8
, FK506 binding protein 8, 38kDa
, peptidyl-prolyl cis-trans isomerase FKBP8-like
, FK506-binding protein 8
, 38 kDa FK506-binding protein
, 38 kDa FKBP
, FK506-binding protein 38
, PPIase FKBP8
, FK506-binding protein 8 (38kD)