ribonuclease/atrofija

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Ribonuclease 4 protects neuron degeneration by promoting angiogenesis, neurogenesis, and neuronal survival under stress.

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Altered RNA processing is an underlying mechanism of amyotrophic lateral sclerosis (ALS). Missense mutations in a number of genes involved in RNA function and metabolisms are associated with ALS. Among these genes is angiogenin (ANG), the fifth member of the vertebrate-specific, secreted

Basic fibroblast growth factor in retinal development: differential levels of bFGF expression and content in normal and retinal degeneration (rd) mutant mice.

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The spatial and temporal patterns of expression and content of bFGF during postnatal development of the retina were established in C57BL/6J mice. Western blot analysis, using an anti-rodent bFGF antibody, shows multiple molecular weights of 18, 20.5, and 22 kDa of bFGF protein isolated from the

Regulation of rat DOC-2 gene during castration-induced rat ventral prostate degeneration and its growth inhibitory function in human prostatic carcinoma cells.

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Androgen is a mitogen as well as a morphogen for prostatic epithelium. However, the detailed mechanisms of these distinct androgenic actions have not yet been delineated. Therefore, we employed differential display PCR to unveil any potential genes that may be involved in these processes. In this

Release of ribonuclease from anoxic pancreas.

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Poly-[C]-specific ribonuclease (RNase) is released in large amounts from rat pancreas incubated at 37 degrees C in isotonic saline solution. Pancreatic cell disruption by homogenization releases only 10% of that RNase. The remainder, perhaps membrane-bound, is freed only after further membrane

Two highly homologous ribonuclease genes expressed in mouse eosinophils identify a larger subgroup of the mammalian ribonuclease superfamily.

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Two putative ribonucleases have been isolated from the secondary granules of mouse eosinophils. Degenerate oligonucleotide primers inferred from peptide sequence data were used in reverse transcriptase-PCR reactions of bone marrow-derived cDNA. The resulting PCR product was used to screen a C57BL/6J

Dicing the Disease with Dicer: The Implications of Dicer Ribonuclease in Human Pathologies

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Gene expression dictates fundamental cellular processes and its de-regulation leads to pathological conditions. A key contributor to the fine-tuning of gene expression is Dicer, an RNA-binding protein (RBPs) that forms complexes and affects transcription by acting at the post-transcriptional level

Overproduction of Sac7d and Sac7e reveals only Sac7e to be a DNA-binding protein with ribonuclease activity from the extremophilic archaeon Sulfolobus acidocaldarius.

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Genomic DNA from Sulfolobus acidocaldarius was screened using a degenerate oligodeoxyribonucleotide, derived from the sequence of 16 N-terminal amino acids from SaRD protein. SaRD protein was previously isolated in our laboratory and identified as a protein from S. acidocaldarius exhibiting

Glucocorticoid-mediated muscle atrophy: alterations in transcriptional activity of skeletal muscle nuclei.

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Glucocorticoid-induced muscle atrophy is associated with a decrease in the level of protein synthesis and a loss of RNA. This paper reports the behaviour of RNA polymerase I- and RNA polymerase II-directed transcription (EC 2.7.7.6) in nuclei isolated from skeletal muscles of rats given a catabolic

[Eosinophil-derived neurotoxin as a new additional clinical marker in spinal muscular atrophies].

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BACKGROUND Spinal muscular atrophies (SMA) are group of neuromuscular disorders characterized by degeneration of motorneurons in anterior column of medulla spinalis, and sometimes in motoneurons of cranial nerves and the brain. Causes of SMAs are mutations in genes encoding for SMN, SIP and NAIP

Assignments of backbone 1H, 13C, and 15N resonances and secondary structure of ribonuclease H from Escherichia coli by heteronuclear three-dimensional NMR spectroscopy.

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The assignments of individual magnetic resonances of backbone nuclei of a larger protein, ribonuclease H from Escherichia coli, which consists of 155 amino acid residues and has a molecular mass of 17.6 kDa are presented. To remove the problem of degenerate chemical shifts, which is inevitable in

Molecular cloning of the human eosinophil-derived neurotoxin: a member of the ribonuclease gene family.

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We have isolated a 725-base-pair cDNA clone for human eosinophil-derived neurotoxin (EDN). EDN is a distinct cationic protein of the eosinophil's large specific granule known primarily for its ability to induce ataxia, paralysis, and central nervous system cellular degeneration in experimental

Serum ribonuclease elevations and pancreatic necrosis in acute pancreatitis.

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Pancreatic necrosis is a principal determinant of the severity, duration, and infectious complications of acute pancreatitis. There has been no objective index for pancreatic necrosis, and its recognition has necessarily rested upon nonspecific clinical signs, including later deterioration or

Effect of atrophy and contractions on myogenin mRNA concentration in chick and rat myoblast omega muscle cells.

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The skeletal rat myoblast omega (RMo) cell line forms myotubes that exhibit spontaneous contractions under appropriate conditions in culture. We examined if the RMo cells would provide a model for studying atrophy and muscle contraction. To better understand how to obtain contractile cultures, we

Novel cerebrospinal fluid biomarkers of axonal degeneration in frontotemporal dementia.

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Frontotemporal dementia (FTD) is a heterogeneous disease with substantial interpersonal variance in aggressiveness. Novel biomarkers for rapidly progressive FTD could improve diagnosis and provide clues regarding its pathogenesis. In this study, surface-enhanced laser desorption/ionization

Skeletal muscle ribonuclease activities in chronically ethanol-treated rats.

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Alcoholic myopathy occurs in up to two thirds of alcohol misusers and is characterized by selective atrophy of type II (anaerobic, fast-twitch) fibers; type I (aerobic, slow twitch) fibers are relatively unaffected. Both clinical and animal studies have indicated that skeletal muscle RNA content is

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