GPR78

GPR78

A gene on chromosome 11q21 that encodes an orphan G protein-coupled receptor.
References in periodicals archive ?
Small Molecule to Antagonize GPR78 for Bipolar Disorder and Schizophrenia - Drug Profile 80
For example, increased miR-181a exacerbated injury both in vitro and in a mouse stroke model by targeting G protein-coupled receptor 78 (GPR78).
Interestingly, we also found that Nrf2 knockdown led to a rapid increase of GPR78 and CHOP expression in the cells challenged with [H.sub.2][O.sub.2]; however, resveratrol still showed an inhibitory effect on the GPR78 expression in Nrf2 siRNA-transfected cells (Figure 3(c)).
It is worthy to note that Nrf2 knockdown in MAC-T cells resulted in more elevated expressions of GPR78 and CHOP under oxidative stress condition, implying a possible link between Nrf2 activation and ER stress.
CRT, gp96 (grp94 or endoplasmin), protein disulfide isomerases (PDIs), immunoglobulin-heavy-chain-binding protein (BiP/GRP78), and GPR78 are also eR folding factors (or chaperones), aiding newly synthesized ER proteins in proper folding.
They found that in patients with iron overload and increase blood glucose (diabetes), there is increased expression of GPR78 receptor and blood vessel destruction which is also the mechanism to gain access to central nervous system from direct extension and vessel invasion from paranasal sinuses (25)
In conclusion, the novel phloroglucinol derivative BFP-induced human glioma cell death is mediated by ROS generation, which subsequently induces GPR78 and CHOP expression, increases caspases activity, such as caspase-9 and caspase-3, resulting in apoptosis.
Omeros Corporation (Nasdaq:OMER), a clinical-stage biopharmaceutical company, said on Tuesday that it has identified compounds that interact selectively with each of four additional orphan G protein-coupled receptors (GPCRs), namely GPR15, GPR39, GPR78 and GPR161.
The increased protein level of GPR78, active caspase-12, and CHOP in calcified aorta was inhibited by PBA treatment (Figure 3).