CFTR activity and mitochondrial function

Abstract: Cystic Fibrosis(CF)isafrequentandlethalautosomalrecessivedisease,causedbymutationsinthe gene encodingtheCysticFibrosisTransmembraneConductanceRegulator(CFTR).Beforethediscovery of the CFTR gene, severalhypothesesattemptedtoexplaintheetiologyofthisdisease,includingthe possible roleofachl...

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Detalles Bibliográficos
Autores principales: Valdivieso, Ángel Gabriel, Santa Coloma, Tomás Antonio
Formato: Artículo
Lenguaje:Inglés
Publicado: Elsevier B.V. 2019
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Acceso en línea:https://repositorio.uca.edu.ar/handle/123456789/8676
http://dx.doi.org/10.1016/j.redox.2012.11.007
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Sumario:Abstract: Cystic Fibrosis(CF)isafrequentandlethalautosomalrecessivedisease,causedbymutationsinthe gene encodingtheCysticFibrosisTransmembraneConductanceRegulator(CFTR).Beforethediscovery of the CFTR gene, severalhypothesesattemptedtoexplaintheetiologyofthisdisease,includingthe possible roleofachloridechannel,diversealterationsinmitochondrialfunctions,theoverexpressionof the lysosomalenzyme a-glucosidaseandadeficiencyinthecytosolicenzymeglucose6-phosphate dehydrogenase.Becauseofthediversemitochondrialchangesfound,someauthorsproposedthatthe affectedgeneshouldcodifyforamitochondrialprotein.Later,theCFTRcloningandthedemonstration of itschloridechannelactivityturnedthemitochondrial,lysosomalandcytosolichypothesesobsolete. However,inrecentyears,usingnewapproaches,severalinvestigatorsreportedsimilarornew alterationsofmitochondrialfunctionsinCysticFibrosis,thusrediscoveringapossibleroleof mitochondriainthisdisease.Here,wereviewtheseCFTR-drivenmitochondrialdefects,including differentialgeneexpression,alterationsinoxidativephosphorylation,calciumhomeostasis,oxidative stress, apoptosisandinnateimmuneresponse,whichmightexplainsomecharacteristicsofthe complexCFphenotypeandrevealspotentialnewtargetsfortherapy.