MLIP genotype as a predictor of pharmacological response in primary open-angle glaucoma and ocular hypertension

Predicting the therapeutic response to ocular hypotensive drugs is crucial for the clinical treatment and management of glaucoma. Our aim was to identify a possible genetic contribution to the response to current pharmacological treatments of choice in a white Mediterranean population with primary o...

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Detalles Bibliográficos
Autores: Canut, Maria Isabel, Villa, Olaya|||0000-0003-4672-4963, Kudsieh, Bachar|||0000-0002-2600-8233, Mattlin, Heidi, Banchs, Isabel, González, Juan Ramón|||0000-0003-3267-2146, Armengol, Lluís, Casaroli-Marano, Ricardo Pedro|||0000-0003-1812-9323
Tipo de recurso: artículo
Fecha de publicación:2021
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:269949
Acceso en línea:https://ddd.uab.cat/record/269949
https://dx.doi.org/urn:doi:10.1038/s41598-020-80954-2
Access Level:acceso abierto
Palabra clave:Adrenergic beta-Antagonists
Adult
Aged
Alleles
Biomarkers
Co-Repressor Proteins
Cross-Over Studies
DNA Copy Number Variations
Female
Genome-Wide Association Study
Genotype
Glaucoma, Open-Angle
Humans
Intraocular Pressure
Latanoprost
Male
Middle Aged
Ocular Hypertension
Prospective Studies
Timolol
Descripción
Sumario:Predicting the therapeutic response to ocular hypotensive drugs is crucial for the clinical treatment and management of glaucoma. Our aim was to identify a possible genetic contribution to the response to current pharmacological treatments of choice in a white Mediterranean population with primary open-angle glaucoma (POAG) or ocular hypertension (OH). We conducted a prospective, controlled, randomized, partial crossover study that included 151 patients of both genders, aged 18 years and older, diagnosed with and requiring pharmacological treatment for POAG or OH in one or both eyes. We sought to identify copy number variants (CNVs) associated with differences in pharmacological response, using a DNA pooling strategy of carefully phenotyped treatment responders and non-responders, treated for a minimum of 6 weeks with a beta-blocker (timolol maleate) and/or prostaglandin analog (latanoprost). Diurnal intraocular pressure reduction and comparative genome wide CNVs were analyzed. Our finding that copy number alleles of an intronic portion of the MLIP gene is a predictor of pharmacological response to beta blockers and prostaglandin analogs could be used as a biomarker to guide first-tier POAG and OH treatment. Our finding improves understanding of the genetic factors modulating pharmacological response in POAG and OH, and represents an important contribution to the establishment of a personalized approach to the treatment of glaucoma.