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Oxysterol binding protein is an intracellular protein that is believed to transport sterols from lysosomes to the nucleus where the sterol down-regulates the genes for the LDL receptor, HMG-CoA reductase, and HMG synthetase [provided by RefSeq, Jul 2008].
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Study identified an OSBP- and FAN (show NSMAF ELISA Kits)-mediated sterol requirement in Drosophila spermatogenesis
the component proteins of the machinery, OSBP, VAP, SAC1, and PITPNB, are all essential host factors for AiV replication. Importantly, the machinery is directly recruited to the RNA replication sites through previously unknown interactions of VAP/OSBP/SAC1 with the AiV proteins and with ACBD3.
results demonstrate that Sac1 (show SACM1L ELISA Kits) expression in either the ER or Golgi apparatus has a minimal impact on the PI-4P that regulates OSBP activity or recruitment to contact sites
Cholesterol transfer, PI4P consumption, and control of membrane lipid order by endogenous OSBP have been described.
Data suggest that OSBP shifts the distribution of phosphatidylinositol 4-phosphate upon localization to endoplasmic reticulum-Golgi contact sites.
Our results identify OspB as a regulator of mTORC1 and mTORC1-dependent cell proliferation early during S. flexneri infection and establish a role for IQGAP1 (show IQGAP1 ELISA Kits) in mTORC1 signaling
These results suggest that poliovirus proteins modulate PI4KB activity and provide PI4P for recruitment of OSBP to accumulate unesterified cholesterol on virus-induced membrane structure for formation of a virus replication complex.
OSBP-mediated back transfer of phosphatidylinositol 4-phosphate might coordinate the transfer of other lipid species at the endoplasmic reticulum-Golgi interface.
OSBP is required for efficient replication of intracellular S. Typhimurium.
Data indicate that phosphorylation on two serine-rich motifs, S381-S391 (site 1) and S192, S195, S200 (site 2), specifically controls oxysterol-binding protein (OSBP) activity at the endoplasmic reticulum (ER).
PKD (show PRKD1 ELISA Kits) negatively regulates HCV secretion/release by attenuating OSBP and CERT (show COL4A3BP ELISA Kits) functions by phosphorylation inhibition. This study identifies the key role of the Golgi components in the HCV maturation process.
OSBP may be a target and downstream effector of miR (show MLXIP ELISA Kits)-124 for regulating neurite outgrowth and elongation.
Partitioning of Osbp between the endoplasmic reticulum and the Golgi apparatus is regulated by Vapa (show VAPA ELISA Kits).
OSBP opposes the activity of LXR (show NR1H3 ELISA Kits) by negatively regulating ABCA1 (show ABCA1 ELISA Kits) activity in the cytoplasm by sterol-binding domain-dependent protein destabilization
Oxysterol-binding protein is required for the perinuclear localization of intra-Golgi v-SNAREs.
Oxysterol binding protein is an intracellular protein that is believed to transport sterols from lysosomes to the nucleus where the sterol down-regulates the genes for the LDL receptor, HMG-CoA reductase, and HMG synthetase
, oxysterol binding protein
, oxysterol-binding protein
, oxysterol-binding protein 1