Molecular and Cellular Neuroscience
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- Sciencedirect from 1990, CSA, Rcgp, Ingenta, Proquest, and Gale
Disruption of E3 ligase NEDD4 in peripheral neurons interrupts axon outgrowth: Linkage to PTEN.
We have provided evidence that inhibition or knockdown of PTEN (phosphatase and tensin homologue deleted on chromosome ten) dramatically increases adult peripheral axon outgrowth, especially in preconditioned neurons (Christie et al., 2010). PTEN appears to operate as an endogenous brake to regenera...
Desensitization of the human D(1) dopamine receptor: Evidence for Involvement of both cyclic AMP-dependent and receptor-specific protein kin...
Our results suggest that desensitization of human D(1) dopamine receptors involves both PKA and a receptor-specific kinase and that the action of both kinases in intact cells requires agonist-occupied receptors....
Evidence for the presence of guanylate cyclase-coupled receptors for atrial natriuretic peptide on pituicytes of the neurohypophysis.
We conclude that in the NL, as well as in brain tissue cultures, the guanylate cyclase-NP receptor complex (most probably the ANP-A subtype) is localized on pituicytes/filial cells rather than on nerve fibers/cells and that cyclic GMP may not be directly involved in the regulation of vasopressin out...
In situ hybridization analysis of the induction of interleukin-1beta mRNA by methamphetamine in the rat hypothalamus.
The induction of interleukin-1beta (IL-1beta) mRNA in the rat hypothalamus by systemic treatment with methamphetamine was studied using in situ hybridization. IL-1beta mRNA was expressed throughout the hypothalamus of methamphetamine-treated rats with no apparent signals in that of untreated rats; i...
Families of potassium channel genes in mammals: Toward an understanding of the molecular basis of potassium channel diversity.
Caenorhabditis elegans nicotinic acetylcholine receptors are required for nociception.
We show that mutations reducing ACh synthesis and mutations in nAChR subunits lead to defects in PVD function and morphology. A likely cause for these defects is a reduction in cytosolic calcium measured in ACh and nAChR mutants. Indeed, overexpression of a calcium pump in PVD mimics defects in PVD...
Calmodulin orchestrates the heteromeric assembly and the trafficking of KCNQ2/3 (Kv7.2/3) channels in neurons.
We show that the mutation I342A in the A helix of KCNQ3 abolishes CaM interaction and strongly decreases the heteromeric association with KCNQ2. The assembly of KCNQ2 with KCNQ3 is essential for their expression at the axon initial segment (AIS). We find that the I342A mutation alters the targeting...
Expression of background potassium channels in rat DRG is cell-specific and down-regulated in a neuropathic pain model.
We also studied mRNA expression of these channels in L4-L5 DRGs in control conditions and up to 4 weeks after spared nerve injury lesion. We found that TWIK1 expression is much higher than TASK1 and TASK3 and is strongly decreased 1, 2 and 4 weeks after neuropathic injury. TASK3 expression, on the o...
Role of the cannabinoid system in the transit of beta-amyloid across the blood-brain barrier.
Emerging evidence suggests beta-amyloid (Aβ) deposition in the Alzheimer's disease (AD) brain is the result of impaired clearance, due in part to diminished Aβ transport across the blood-brain barrier (BBB). Recently, modulation of the cannabinoid system was shown to reduce Aβ brain levels and impro...
Caveolin isoform switching as a molecular, structural, and metabolic regulator of microglia.
We propose that caveolins provide a necessary control point in the regulation of cytoskeletal dynamics, and thus investigated a role for caveolins in microglia biology. We detected mRNA and protein for both Cav-1 and Cav-3. Cav-1 protein was significantly less and localized to plasmalemma (PM) and c...