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Sequence analysis of five exons of SLC6A4 gene in Mexican patients with anorexia nervosa and bulimia nervosa

dc.creatorHernández-Muñoz, S.es_ES
dc.creatorCamarena-Medellin, B.es_ES
dc.creatorGonzález-Macías, L.es_ES
dc.creatorAguilar-García, A.es_ES
dc.creatorFlores-Flores, G.es_ES
dc.creatorLuna Dominguez, D.es_ES
dc.creatorAzaola-Espinosa, A.es_ES
dc.creatorFlores-Ramos, M.es_ES
dc.creatorCaballero-Romo, A.es_ES
dc.date2020
dc.date.accessioned2023-11-27T18:31:22Z
dc.date.available2023-11-27T18:31:22Z
dc.date.issued2020
dc.identifierJC11SIC20es_ES
dc.identifier.issn0378-1119
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/7839
dc.identifier.urihttps://doi.org/10.1016/j.gene.2020.144675
dc.descriptionBackground: Accumulating evidence indicates that alterations in the serotonin system are related to changes in eating behavior. The serotonin transporter is encoded by the SLC6A4 gene and has been an interesting candidate for anorexia nervosa- restrictive type (AN-R) and bulimia nervosa (BN). Interestingly, functional variants have been identified in the coding region that could contribute to understand the role of this gene in eating disorders. The aim was to identify genetic variants in five exons of SLC6A4 gene using Sanger-sequencing in anorexia nervosa-restrictive and bulimia nervosa patients, and a control group. Method: The sample consisted of 86 patients and 50 control subjects. We obtained DNA samples from all subjects and performed Sanger-sequence analysis of the 1, 2, 3, 8 and 9 exons. The sequences were compared with the reference sequence of the SLC6A4 gene. Results: The sequence analysis of the five exons of the gene identified several variants. In the AN-R, we observed two novel variants (g.130delA and c.1740G > A), three synonymous variants (rs57172732, rs55908624, rs74478645) and a missense variant (L90F) reporting a probably deleterious and damaging variant. In BN, we identified two novel variants (g.295C > G and c.1725G > A), and the non-synonymous (rs28914832/I425V), reported as benign. Interestingly, we observed the 425V variant in three patients in the BN, variant that previously was reported in patients with a spectrum obsessive-compulsive disorder. Conclusion: The results of our study suggest that variants of the SLC6A4 gene are related with a possible damaging or gain-of-function and may be involved in the susceptibility to AN-R and BN patients. However, the present findings should be considered as preliminary until replicated in large samples.es_ES
dc.formatPDFes_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation748: 144675
dc.rightsAcceso Cerradoes_ES
dc.titleSequence analysis of five exons of SLC6A4 gene in Mexican patients with anorexia nervosa and bulimia nervosaes_ES
dc.typeArtículoes_ES
dc.contributor.affiliationDoctorado en Ciencias Biológicas y de la Salud - Universidad Autónoma Metropolitana-Xochimilco, Calz. Del Hueso 100, Col. Villa Quietud, Mexico City 04960, Mexico; Departamento de Farmacogenética, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. México-Xochimilco 101, Col. San Lorenzo Huipulco, Mexico City 14370, Mexico.
dc.contributor.emailcamare@imp.edu.mx (B. Camarena-Medellin), macias@imp.edu.mx (L. González-Macías), Aguilar199@imp.edu.mx (A. Aguilar-García), azaola@correo.xoc.uam.mx (A. Azaola-Espinosa), monica.flores@imp.edu.mx (M. Flores-Ramos).
dc.relation.jnabreviadoGENE
dc.relation.journalGene
dc.identifier.placePaíses Bajos
dc.date.published2020
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñiz
dc.identifier.eissn1879-0038
dc.identifier.doi10.1016/j.gene.2020.144675
dc.subject.kwAnorexia Nervosa
dc.subject.kwBulimia Nervosa
dc.subject.kwSerotonin transporter
dc.subject.kwSequencing
dc.subject.kwSLC6A4
dc.subject.kwExons
dc.subject.kwGenetic variants


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