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Alexis Parada-Bustamante
Researcher at University of Chile
Publications - 17
Citations - 236
Alexis Parada-Bustamante is an academic researcher from University of Chile. The author has contributed to research in topics: Spermatogenesis & Sertoli cell. The author has an hindex of 9, co-authored 16 publications receiving 196 citations.
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Journal ArticleDOI
Testis development in the absence of SRY: Chromosomal rearrangements at SOX9 and SOX3
Annalisa Vetro,Mohammadreza Dehghani,Lilia Kraoua,Roberto Giorda,Silvana Beri,Laura Cardarelli,Maurizio Merico,Emmanouil Manolakos,Alexis Parada-Bustamante,Andrea Castro,Orietta Radi,Giovanna Camerino,Alfredo Brusco,Marjan Sabaghian,Crystalena Sofocleous,Francesca Forzano,Pietro Palumbo,Orazio Palumbo,Savino Calvano,Leopoldo Zelante,Paola Grammatico,Sabrina Giglio,Mohamed Basly,M. Chaabouni,Massimo Carella,Gianni Russo,Maria Clara Bonaglia,Orsetta Zuffardi +27 more
TL;DR: Collectively in this cohort of 19 novel cases of SRY-negative 46,XX DSD, the duplications upstream of SOX9 account for ~10.5% of the cases, and are responsible for the disease phenotype, even when inherited from a normal father.
Journal ArticleDOI
Androgen Receptor Gene CAG and GGN Repeat Polymorphisms in Chilean Men With Primary Severe Spermatogenic Failure
Eduardo Castro-Nallar,Ketty Bacallao,Alexis Parada-Bustamante,María Cecilia Lardone,Patricia López,Marcia Madariaga,Raúl Valdevenito,Antonio Piottante,Mauricio Ebensperger,Andrea Castro +9 more
TL;DR: The results suggest that the CAG 21 allele seems to increase the risk of idiopathic Sertoli cell-only syndrome and the GGN 24 allele could be contributing to deranged androgen receptor function, associated with cryptorchidism and spermatogenic failure.
Journal ArticleDOI
Role of 2-methoxyestradiol, an Endogenous Estrogen Metabolite, in Health and Disease.
Alexis Parada-Bustamante,Cecilia Valencia,Patricia Reuquen,Patricia Diaz,Ramiro Rincion-Rodriguez,Pedro A. Orihuela +5 more
TL;DR: The intracellular mechanisms by which 2ME2 exerts its effects on reproductive and non-reproductive tissues will be described and a group of 2 ME2-target genes that could be used as biomarkers of 2ME1 under physiological or pathophysiological conditions will be reviewed.
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Overexpression of CYP19A1 aromatase in Leydig cells is associated with steroidogenic dysfunction in subjects with Sertoli cell-only syndrome
María Cecilia Lardone,F. Argandoña,M. Flórez,Alexis Parada-Bustamante,Mauricio Ebensperger,Cristian Palma,Antonio Piottante,Andrea Castro +7 more
TL;DR: Lc from infertile patients with signs of Lc dysfunction overexpressed aromatase and showed an increment of testicular E2, suggesting that increased expression of arom atase in Lc leads to higher E2 production and may account for the functional impairment of the Lc in patients with SCOS.
Journal ArticleDOI
Androgen receptor CAG and GGN polymorphisms in boys with isolated hypospadias.
Alexis Parada-Bustamante,María Cecilia Lardone,Marcia Madariaga,María Cecilia Johnson,Ethel Codner,Fernando Cassorla,Andrea Castro +6 more
TL;DR: Boys with isolated hypospadias have longer CAG alleles in their AR, which may be related with the development of this congenital malformation.