diacylglycerol/atrophy

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Mapping and genomic characterization of the gene encoding diacylglycerol kinase gamma (DAGK3): assessment of its role in dominant optic atrophy (OPA1).

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The family of diacylglycerol kinases (DAGKs) is known to play an important role in signal transduction linked to phospholipid turnover. In the fruitfly Drosophila melanogaster, a human DAGK ortholog, DGK2, was shown to underlie the phenotype of the visual mutant retinal degeneration A (rdgA).

Chromosomal localization of three mouse diacylglycerol kinase (DAGK) genes: genes sharing sequence homology to the Drosophila retinal degeneration A (rdgA) gene.

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There is growing evidence to support some form of light-activated phosphoinositide signal transduction pathway in the mammalian retina. Although this pathway plays no obvious role in mammalian phototransduction, mutations in this pathway cause retinal degenerations in Drosophila. These include the

Diacylglycerol kinase defect in a Drosophila retinal degeneration mutant rdgA.

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The Drosophila visual mutant rdgA is known to show age-dependent retinal degeneration with defective diacylglycerol (DG) kinase activity. In this study we examined DG kinase activity of several visual mutants and found that only rdgA mutant eyes showed the lack of DG kinase activity in a gene

Drosophila retinal degeneration A gene encodes an eye-specific diacylglycerol kinase with cysteine-rich zinc-finger motifs and ankyrin repeats.

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The Drosophila visual mutant, carrying the retinal degeneration A gene (rdgA), has photoreceptor cells that degenerate within a week after eclosion. Morphological studies suggested that this mutant harbors abnormalities in membrane turnover of the photoreceptor cells. Biochemically, the rdgA mutant

Diacylglycerol kinase zeta inhibits myocardial atrophy and restores cardiac dysfunction in streptozotocin-induced diabetes mellitus.

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BACKGROUND Activation of the diacylglycerol (DAG)-protein kinase C (PKC) pathway has been implicated in the pathogenesis of a number of diabetic complications. Diacylglycerol kinase (DGK) converts DAG to phosphatidic acid and acts as an endogenous regulator of PKC activity. Akt/PKB is associated

Rimonabant, a selective cannabinoid1 receptor antagonist, protects against light-induced retinal degeneration in vitro and in vivo.

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The endocannabinoid system is involved in some neurodegenerative diseases such as Alzheimer's disease. An endogenous constellation of proteins related to cannabinoid1 receptor signaling, including free fatty acids, diacylglycerol lipase, and N-acylethanolamine-hydrolyzing acid amidase, are localized

[Synthesis of diacylglycerol using immoblized regiospecific lipase in continuously operated fixed bed reactors].

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Diacylglycerol, DAG, because of its multifunctional and nutritional properties, attracted considerable attention recently. Enzymatic synthesis of diacylglycerols from linoleic acid was investigated in a solvent-free reaction in a continuously operated fixed bed reactors containing Lipozyme RM IM. By

Functional INAD complexes are required to mediate degeneration in photoreceptors of the Drosophila rdgA mutant.

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The TRP family of ion channels mediates a wide range of calcium-influx phenomena in eukaryotic cells. Many members of this family are activated downstream of phosphoinositide hydrolysis but the subsequent steps that lead to TRP channel activation in vivo remain unclear. Recently, the lipid products

Induction of retinal degeneration in a crab by light and okadaic acid in vitro: comparison with the Drosophila light-dependent retinal degeneration mutant w rdgBKS222.

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Retinae of the crab Leptograpsus which had been maintained on a 12-h light/12-h dark cycle were cultured in vitro and exposed to 1 microM okadaic acid (OKA) at 0.75 h before light onset. Control retinae were subjected to the same routine and sampled at the same times without OKA treatment. At the

The cloning and characterization of a novel human diacylglycerol kinase, DGKiota.

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Diacylglycerol (DAG) plays a central role in both the synthesis of complex lipids and in intracellular signaling; diacylglycerol kinase (DGK) catalyzes the phosphorylation of DAG, which yields phosphatidic acid. A family of DGKs has been identified in multicellular organisms over the past few years,

Isolation and chromosomal localization of two human CDP-diacylglycerol synthase (CDS) genes.

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Phototransduction in Drosophila is a phosphoinositide-mediated signaling pathway. Phosphatidylinositol 4,5-bisphosphate (PIP2) plays a central role in this process, and its levels are tightly regulated. A photoreceptor-specific form of the enzyme CDP-diacylglycerol synthase (CDS), which catalyzes

Evaluation of human diacylglycerol kinase(iota), DGKI, a homolog of Drosophila rdgA, in inherited retinopathy mapping to 7q.

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OBJECTIVE To determine the genomic organization of diacylglycerol kinase(iota) and to test whether defects in this gene are present in individuals affected with autosomal dominant retinitis pigmentosa (adRP). Diacylglycerol kinase(iota) has been mapped to the RP10 locus on 7q and shows 49% sequence

Diacylglycerol kinase zeta is involved in the process of cerebral infarction.

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Diacylglycerol kinase (DGK) is an enzyme that phosphorylates a second messenger diacylglycerol (DG) and is involved in a variety of pathophysiological cellular responses. We have previously reported that DGKzeta may be involved in the selective vulnerability of hippocampal CA1 neurons in transient

Isolation and characterization of murine Cds (CDP-diacylglycerol synthase) 1 and 2.

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Phototransduction in Drosophila is a phosphoinositide-mediated signalling pathway. Phosphatidylinositol 4,5-bisphosphate (PIP2) plays a central role in this process, and its levels are tightly regulated. A photoreceptor-specific form of the enzyme CDP-diacylglycerol synthase (CDS), which catalyzes

Pharmacological inhibition of DGAT1 induces sebaceous gland atrophy in mouse and dog skin while overt alopecia is restricted to the mouse.

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Diacylglycerol O-acyltransferase 1 (DGAT1) plays an important role in synthesizing lipids, and inhibitors of DGAT1 have been investigated as potential treatments for diabetes and metabolic diseases. DGAT1 knockout (-/-) mice are resistant to obesity, have increased sensitivity to insulin, and

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