Words similar to riiα
Example sentences for: riiα
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5) suggests that RIIα is concentrated in the postsynaptic vicinity of the NMJ but is not colocalized with the nAChR.
Consistent with the observed mitochondrial staining by anti-D-AKAP1, it was shown previously that one of the two alternative NH2-terminal motifs of this AKAP is necessary and sufficient for targeting to mitochondria [ 28 ] . Interestingly, another AKAP governs voltage-dependent potentiation of L-type calcium channels through anchoring of PKA in transverse tubules [ 36 ] . Because this potentiation is not dependent on RIIα, it is thought that RIα is capable of this AKAP-directed modulation of calcium channel activity [ 37 ] .
PKA association with mitochondria has been well documented [ 38 39 40 41 42 ] . In mammalian sperm, it was found that nearly all RII-specific labeling was with mitochondria [ 43 ] . Furthermore, in bovine heart, PKA activity was detected in the matrix or the matrix side of the mitochondrial inner membrane [ 44 45 ] . However, the work of Halestrap and coworkers provided little evidence for intramitochondrial protein phosphorylation by PKA, but gave some evidence for outer membrane phosphorylation, both integral and loosely bound proteins [ 46 47 48 ] . The localization of RIIα to the postsynaptic region beyond the postsynaptic membrane is consistent with part of the immunostaining of NMJs in the soleus muscle [ 18 ] , yet differs in part because there is no overlap with the bungarotoxin label; however, this is in agreement with another study [ 17 ] .
Mouse anti-PKA RIα, mouse anti-PKA RIIβ, and mouse anti-PKA RIIα were purchased from Transduction Laboratories.
Of the 7 kinase and AKAP labeling patterns shown in this paper, RIIα is the only one that strongly associates with the z-line (contrast with the phalloidin labeling shown in fig.
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