0000000000681849

AUTHOR

María Dolores Sequedo

showing 3 related works from this author

Study of USH1 Splicing Variants through Minigenes and Transcript Analysis from Nasal Epithelial Cells

2012

Usher syndrome type I (USH1) is an autosomal recessive disorder characterized by congenital profound deafness, vestibular areflexia and prepubertal retinitis pigmentosa. The first purpose of this study was to determine the pathologic nature of eighteen USH1 putative splicing variants found in our series and their effect in the splicing process by minigene assays. These variants were selected according to bioinformatic analysis. The second aim was to analyze the USH1 transcripts, obtained from nasal epithelial cells samples of our patients, in order to corroborate the observed effect of mutations by minigenes in patient’s tissues. The last objective was to evaluate the nasal ciliary beat fre…

Usher syndromelcsh:Medicinemedicine.disease_causeGene SplicingMolecular cell biologyAutosomal Recessivelcsh:ScienceGeneticsMutationMultidisciplinaryCadherinsMyosin VIIaRNA splicingSensory PerceptionUsher SyndromesResearch ArticleRNA SplicingCadherin Related ProteinsBiologyMyosinsNoseGenetic MutationRetinitis pigmentosamedicineGeneticsotorhinolaryngologic diseasesHumansCiliaBiologyMessenger RNAlcsh:RIntronMutation TypesComputational BiologyGenetic VariationEpithelial CellsHuman Geneticsmedicine.diseaseMolecular biologyRNA processingMutagenesisCase-Control StudiesMutationGenetics of Diseaselcsh:QGene expressionSensory DeprivationPCDH15MinigeneCloningNeuroscience
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IP 3 signalling regulates exogenous RNA i in C aenorhabditis elegans

2015

RNA interference (RNAi) is a widespread and widely exploited phenomenon. Here, we show that changing inositol 1,4,5-trisphosphate (IP3) signalling alters RNAi sensitivity in Caenorhabditis elegans. Reducing IP3 signalling enhances sensitivity to RNAi in a broad range of genes and tissues. Conversely up-regulating IP3 signalling decreases sensitivity. Tissue-specific rescue experiments suggest IP3 functions in the intestine. We also exploit IP3 signalling mutants to further enhance the sensitivity of RNAi hypersensitive strains. These results demonstrate that conserved cell signalling pathways can modify RNAi responses, implying that RNAi responses may be influenced by an animal's physiology…

inorganic chemicalscalcium signallingCell signalingMutantInositol 145-TrisphosphateBiologyModels BiologicalBiochemistryRNA interferenceRNA interferenceImage Processing Computer-AssistedGeneticsAnimalsIntestinal MucosaCaenorhabditis elegansMolecular BiologyCaenorhabditis elegansRNA Double-StrandedCalcium signalingenhanced RNAiScientific Reportsfungiinositol 145‐trisphosphateRNAbiology.organism_classificationC. elegansCell biologySignallingMicroscopy FluorescenceSignal transductionSignal TransductionEMBO reports
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Synergistic activation of AMPK prevents from polyglutamine-inducedtoxicity inCaenorhabditis elegans

2020

11 páginas, 4 figuras. Supplementary material related to this article can be found, in the online version, at doi: https://doi.org/10.1016/j.phrs.2020.105105.

0301 basic medicineAMPKProtein subunitMutantEnzyme ActivatorsAMP-Activated Protein KinasesProtein Serine-Threonine KinasesProtein Aggregation PathologicalpolyQ toxicityArticleAnimals Genetically ModifiedProtein Aggregates03 medical and health sciences0302 clinical medicineRNA interferenceAutophagymedicineAnimalsAMPK Caenorhabditis elegans Metformin Salycilate Synergy polyQ toxicityCaenorhabditis elegans ProteinsCaenorhabditis elegansLoss functionCaenorhabditis elegansNeuronsPharmacologybiologyChemistrySalycilateAutophagyAMPKDrug Synergismbiology.organism_classificationSalicylatesMetforminCell biologyMetforminEnzyme ActivationSynergy030104 developmental biology030220 oncology & carcinogenesisMutationProteostasisPeptidesmedicine.drug
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